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authorSebastian Reichel <sre@ring0.de>2018-07-14 19:33:03 +0200
committerSebastian Reichel <sre@ring0.de>2018-07-18 01:27:02 +0200
commitf77ef3ceb3b828724a60c4838b3524e8f7c5115b (patch)
treeebbf42206415464a39d77234263c4ea128524056 /data/templates/js
parent568c2be3c328a272f7a872c3fc67b61af3c4e797 (diff)
downloadserial-barcode-scanner-f77ef3ceb3b828724a60c4838b3524e8f7c5115b.tar.bz2
Debian packaging
Diffstat (limited to 'data/templates/js')
-rw-r--r--data/templates/js/c3.js6909
-rw-r--r--data/templates/js/d3.js9466
2 files changed, 16375 insertions, 0 deletions
diff --git a/data/templates/js/c3.js b/data/templates/js/c3.js
new file mode 100644
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--- /dev/null
+++ b/data/templates/js/c3.js
@@ -0,0 +1,6909 @@
+(function (window) {
+ 'use strict';
+
+ /*global define, module, exports, require */
+
+ var c3 = { version: "0.4.9" };
+
+ var c3_chart_fn, c3_chart_internal_fn;
+
+ function Chart(config) {
+ var $$ = this.internal = new ChartInternal(this);
+ $$.loadConfig(config);
+ $$.init();
+
+ // bind "this" to nested API
+ (function bindThis(fn, target, argThis) {
+ Object.keys(fn).forEach(function (key) {
+ target[key] = fn[key].bind(argThis);
+ if (Object.keys(fn[key]).length > 0) {
+ bindThis(fn[key], target[key], argThis);
+ }
+ });
+ })(c3_chart_fn, this, this);
+ }
+
+ function ChartInternal(api) {
+ var $$ = this;
+ $$.d3 = window.d3 ? window.d3 : typeof require !== 'undefined' ? require("d3") : undefined;
+ $$.api = api;
+ $$.config = $$.getDefaultConfig();
+ $$.data = {};
+ $$.cache = {};
+ $$.axes = {};
+ }
+
+ c3.generate = function (config) {
+ return new Chart(config);
+ };
+
+ c3.chart = {
+ fn: Chart.prototype,
+ internal: {
+ fn: ChartInternal.prototype
+ }
+ };
+ c3_chart_fn = c3.chart.fn;
+ c3_chart_internal_fn = c3.chart.internal.fn;
+
+
+ c3_chart_internal_fn.init = function () {
+ var $$ = this, config = $$.config;
+
+ $$.initParams();
+
+ if (config.data_url) {
+ $$.convertUrlToData(config.data_url, config.data_mimeType, config.data_keys, $$.initWithData);
+ }
+ else if (config.data_json) {
+ $$.initWithData($$.convertJsonToData(config.data_json, config.data_keys));
+ }
+ else if (config.data_rows) {
+ $$.initWithData($$.convertRowsToData(config.data_rows));
+ }
+ else if (config.data_columns) {
+ $$.initWithData($$.convertColumnsToData(config.data_columns));
+ }
+ else {
+ throw Error('url or json or rows or columns is required.');
+ }
+ };
+
+ c3_chart_internal_fn.initParams = function () {
+ var $$ = this, d3 = $$.d3, config = $$.config;
+
+ // MEMO: clipId needs to be unique because it conflicts when multiple charts exist
+ $$.clipId = "c3-" + (+new Date()) + '-clip',
+ $$.clipIdForXAxis = $$.clipId + '-xaxis',
+ $$.clipIdForYAxis = $$.clipId + '-yaxis',
+ $$.clipIdForGrid = $$.clipId + '-grid',
+ $$.clipIdForSubchart = $$.clipId + '-subchart',
+ $$.clipPath = $$.getClipPath($$.clipId),
+ $$.clipPathForXAxis = $$.getClipPath($$.clipIdForXAxis),
+ $$.clipPathForYAxis = $$.getClipPath($$.clipIdForYAxis);
+ $$.clipPathForGrid = $$.getClipPath($$.clipIdForGrid),
+ $$.clipPathForSubchart = $$.getClipPath($$.clipIdForSubchart),
+
+ $$.dragStart = null;
+ $$.dragging = false;
+ $$.flowing = false;
+ $$.cancelClick = false;
+ $$.mouseover = false;
+ $$.transiting = false;
+
+ $$.color = $$.generateColor();
+ $$.levelColor = $$.generateLevelColor();
+
+ $$.dataTimeFormat = config.data_xLocaltime ? d3.time.format : d3.time.format.utc;
+ $$.axisTimeFormat = config.axis_x_localtime ? d3.time.format : d3.time.format.utc;
+ $$.defaultAxisTimeFormat = $$.axisTimeFormat.multi([
+ [".%L", function (d) { return d.getMilliseconds(); }],
+ [":%S", function (d) { return d.getSeconds(); }],
+ ["%I:%M", function (d) { return d.getMinutes(); }],
+ ["%I %p", function (d) { return d.getHours(); }],
+ ["%-m/%-d", function (d) { return d.getDay() && d.getDate() !== 1; }],
+ ["%-m/%-d", function (d) { return d.getDate() !== 1; }],
+ ["%-m/%-d", function (d) { return d.getMonth(); }],
+ ["%Y/%-m/%-d", function () { return true; }]
+ ]);
+
+ $$.hiddenTargetIds = [];
+ $$.hiddenLegendIds = [];
+ $$.focusedTargetIds = [];
+ $$.defocusedTargetIds = [];
+
+ $$.xOrient = config.axis_rotated ? "left" : "bottom";
+ $$.yOrient = config.axis_rotated ? (config.axis_y_inner ? "top" : "bottom") : (config.axis_y_inner ? "right" : "left");
+ $$.y2Orient = config.axis_rotated ? (config.axis_y2_inner ? "bottom" : "top") : (config.axis_y2_inner ? "left" : "right");
+ $$.subXOrient = config.axis_rotated ? "left" : "bottom";
+
+ $$.isLegendRight = config.legend_position === 'right';
+ $$.isLegendInset = config.legend_position === 'inset';
+ $$.isLegendTop = config.legend_inset_anchor === 'top-left' || config.legend_inset_anchor === 'top-right';
+ $$.isLegendLeft = config.legend_inset_anchor === 'top-left' || config.legend_inset_anchor === 'bottom-left';
+ $$.legendStep = 0;
+ $$.legendItemWidth = 0;
+ $$.legendItemHeight = 0;
+
+ $$.currentMaxTickWidths = {
+ x: 0,
+ y: 0,
+ y2: 0
+ };
+
+ $$.rotated_padding_left = 30;
+ $$.rotated_padding_right = config.axis_rotated && !config.axis_x_show ? 0 : 30;
+ $$.rotated_padding_top = 5;
+
+ $$.withoutFadeIn = {};
+
+ $$.intervalForObserveInserted = undefined;
+
+ $$.axes.subx = d3.selectAll([]); // needs when excluding subchart.js
+ };
+
+ c3_chart_internal_fn.initChartElements = function () {
+ if (this.initBar) { this.initBar(); }
+ if (this.initLine) { this.initLine(); }
+ if (this.initArc) { this.initArc(); }
+ if (this.initGauge) { this.initGauge(); }
+ if (this.initText) { this.initText(); }
+ };
+
+ c3_chart_internal_fn.initWithData = function (data) {
+ var $$ = this, d3 = $$.d3, config = $$.config;
+ var defs, main, binding = true;
+
+ if ($$.initPie) { $$.initPie(); }
+ if ($$.initBrush) { $$.initBrush(); }
+ if ($$.initZoom) { $$.initZoom(); }
+
+ $$.selectChart = typeof config.bindto.node === 'function' ? config.bindto : d3.select(config.bindto);
+ if ($$.selectChart.empty()) {
+ $$.selectChart = d3.select(document.createElement('div')).style('opacity', 0);
+ $$.observeInserted($$.selectChart);
+ binding = false;
+ }
+ $$.selectChart.html("").classed("c3", true);
+
+ // Init data as targets
+ $$.data.xs = {};
+ $$.data.targets = $$.convertDataToTargets(data);
+
+ if (config.data_filter) {
+ $$.data.targets = $$.data.targets.filter(config.data_filter);
+ }
+
+ // Set targets to hide if needed
+ if (config.data_hide) {
+ $$.addHiddenTargetIds(config.data_hide === true ? $$.mapToIds($$.data.targets) : config.data_hide);
+ }
+ if (config.legend_hide) {
+ $$.addHiddenLegendIds(config.legend_hide === true ? $$.mapToIds($$.data.targets) : config.legend_hide);
+ }
+
+ // when gauge, hide legend // TODO: fix
+ if ($$.hasType('gauge')) {
+ config.legend_show = false;
+ }
+
+ // Init sizes and scales
+ $$.updateSizes();
+ $$.updateScales();
+
+ // Set domains for each scale
+ $$.x.domain(d3.extent($$.getXDomain($$.data.targets)));
+ $$.y.domain($$.getYDomain($$.data.targets, 'y'));
+ $$.y2.domain($$.getYDomain($$.data.targets, 'y2'));
+ $$.subX.domain($$.x.domain());
+ $$.subY.domain($$.y.domain());
+ $$.subY2.domain($$.y2.domain());
+
+ // Save original x domain for zoom update
+ $$.orgXDomain = $$.x.domain();
+
+ // Set initialized scales to brush and zoom
+ if ($$.brush) { $$.brush.scale($$.subX); }
+ if (config.zoom_enabled) { $$.zoom.scale($$.x); }
+
+ /*-- Basic Elements --*/
+
+ // Define svgs
+ $$.svg = $$.selectChart.append("svg")
+ .style("overflow", "hidden")
+ .on('mouseenter', function () { return config.onmouseover.call($$); })
+ .on('mouseleave', function () { return config.onmouseout.call($$); });
+
+ // Define defs
+ defs = $$.svg.append("defs");
+ $$.clipChart = $$.appendClip(defs, $$.clipId);
+ $$.clipXAxis = $$.appendClip(defs, $$.clipIdForXAxis);
+ $$.clipYAxis = $$.appendClip(defs, $$.clipIdForYAxis);
+ $$.clipGrid = $$.appendClip(defs, $$.clipIdForGrid);
+ $$.clipSubchart = $$.appendClip(defs, $$.clipIdForSubchart);
+ $$.updateSvgSize();
+
+ // Define regions
+ main = $$.main = $$.svg.append("g").attr("transform", $$.getTranslate('main'));
+
+ if ($$.initSubchart) { $$.initSubchart(); }
+ if ($$.initTooltip) { $$.initTooltip(); }
+ if ($$.initLegend) { $$.initLegend(); }
+
+ /*-- Main Region --*/
+
+ // text when empty
+ main.append("text")
+ .attr("class", CLASS.text + ' ' + CLASS.empty)
+ .attr("text-anchor", "middle") // horizontal centering of text at x position in all browsers.
+ .attr("dominant-baseline", "middle"); // vertical centering of text at y position in all browsers, except IE.
+
+ // Regions
+ $$.initRegion();
+
+ // Grids
+ $$.initGrid();
+
+ // Define g for chart area
+ main.append('g')
+ .attr("clip-path", $$.clipPath)
+ .attr('class', CLASS.chart);
+
+ // Grid lines
+ if (config.grid_lines_front) { $$.initGridLines(); }
+
+ // Cover whole with rects for events
+ $$.initEventRect();
+
+ // Define g for chart
+ $$.initChartElements();
+
+ // if zoom privileged, insert rect to forefront
+ // TODO: is this needed?
+ main.insert('rect', config.zoom_privileged ? null : 'g.' + CLASS.regions)
+ .attr('class', CLASS.zoomRect)
+ .attr('width', $$.width)
+ .attr('height', $$.height)
+ .style('opacity', 0)
+ .on("dblclick.zoom", null);
+
+ // Set default extent if defined
+ if (config.axis_x_extent) { $$.brush.extent($$.getDefaultExtent()); }
+
+ // Add Axis
+ $$.initAxis();
+
+ // Set targets
+ $$.updateTargets($$.data.targets);
+
+ // Draw with targets
+ if (binding) {
+ $$.updateDimension();
+ $$.config.oninit.call($$);
+ $$.redraw({
+ withTransform: true,
+ withUpdateXDomain: true,
+ withUpdateOrgXDomain: true,
+ withTransitionForAxis: false
+ });
+ }
+
+ // Bind resize event
+ if (window.onresize == null) {
+ window.onresize = $$.generateResize();
+ }
+ if (window.onresize.add) {
+ window.onresize.add(function () {
+ config.onresize.call($$);
+ });
+ window.onresize.add(function () {
+ $$.api.flush();
+ });
+ window.onresize.add(function () {
+ config.onresized.call($$);
+ });
+ }
+
+ // export element of the chart
+ $$.api.element = $$.selectChart.node();
+ };
+
+ c3_chart_internal_fn.smoothLines = function (el, type) {
+ var $$ = this;
+ if (type === 'grid') {
+ el.each(function () {
+ var g = $$.d3.select(this),
+ x1 = g.attr('x1'),
+ x2 = g.attr('x2'),
+ y1 = g.attr('y1'),
+ y2 = g.attr('y2');
+ g.attr({
+ 'x1': Math.ceil(x1),
+ 'x2': Math.ceil(x2),
+ 'y1': Math.ceil(y1),
+ 'y2': Math.ceil(y2)
+ });
+ });
+ }
+ };
+
+
+ c3_chart_internal_fn.updateSizes = function () {
+ var $$ = this, config = $$.config;
+ var legendHeight = $$.legend ? $$.getLegendHeight() : 0,
+ legendWidth = $$.legend ? $$.getLegendWidth() : 0,
+ legendHeightForBottom = $$.isLegendRight || $$.isLegendInset ? 0 : legendHeight,
+ hasArc = $$.hasArcType(),
+ xAxisHeight = config.axis_rotated || hasArc ? 0 : $$.getHorizontalAxisHeight('x'),
+ subchartHeight = config.subchart_show && !hasArc ? (config.subchart_size_height + xAxisHeight) : 0;
+
+ $$.currentWidth = $$.getCurrentWidth();
+ $$.currentHeight = $$.getCurrentHeight();
+
+ // for main
+ $$.margin = config.axis_rotated ? {
+ top: $$.getHorizontalAxisHeight('y2') + $$.getCurrentPaddingTop(),
+ right: hasArc ? 0 : $$.getCurrentPaddingRight(),
+ bottom: $$.getHorizontalAxisHeight('y') + legendHeightForBottom + $$.getCurrentPaddingBottom(),
+ left: subchartHeight + (hasArc ? 0 : $$.getCurrentPaddingLeft())
+ } : {
+ top: 4 + $$.getCurrentPaddingTop(), // for top tick text
+ right: hasArc ? 0 : $$.getCurrentPaddingRight(),
+ bottom: xAxisHeight + subchartHeight + legendHeightForBottom + $$.getCurrentPaddingBottom(),
+ left: hasArc ? 0 : $$.getCurrentPaddingLeft()
+ };
+
+ // for subchart
+ $$.margin2 = config.axis_rotated ? {
+ top: $$.margin.top,
+ right: NaN,
+ bottom: 20 + legendHeightForBottom,
+ left: $$.rotated_padding_left
+ } : {
+ top: $$.currentHeight - subchartHeight - legendHeightForBottom,
+ right: NaN,
+ bottom: xAxisHeight + legendHeightForBottom,
+ left: $$.margin.left
+ };
+
+ // for legend
+ $$.margin3 = {
+ top: 0,
+ right: NaN,
+ bottom: 0,
+ left: 0
+ };
+ if ($$.updateSizeForLegend) { $$.updateSizeForLegend(legendHeight, legendWidth); }
+
+ $$.width = $$.currentWidth - $$.margin.left - $$.margin.right;
+ $$.height = $$.currentHeight - $$.margin.top - $$.margin.bottom;
+ if ($$.width < 0) { $$.width = 0; }
+ if ($$.height < 0) { $$.height = 0; }
+
+ $$.width2 = config.axis_rotated ? $$.margin.left - $$.rotated_padding_left - $$.rotated_padding_right : $$.width;
+ $$.height2 = config.axis_rotated ? $$.height : $$.currentHeight - $$.margin2.top - $$.margin2.bottom;
+ if ($$.width2 < 0) { $$.width2 = 0; }
+ if ($$.height2 < 0) { $$.height2 = 0; }
+
+ // for arc
+ $$.arcWidth = $$.width - ($$.isLegendRight ? legendWidth + 10 : 0);
+ $$.arcHeight = $$.height - ($$.isLegendRight ? 0 : 10);
+ if ($$.hasType('gauge')) {
+ $$.arcHeight += $$.height - $$.getGaugeLabelHeight();
+ }
+ if ($$.updateRadius) { $$.updateRadius(); }
+
+ if ($$.isLegendRight && hasArc) {
+ $$.margin3.left = $$.arcWidth / 2 + $$.radiusExpanded * 1.1;
+ }
+ };
+
+ c3_chart_internal_fn.updateTargets = function (targets) {
+ var $$ = this;
+
+ /*-- Main --*/
+
+ //-- Text --//
+ $$.updateTargetsForText(targets);
+
+ //-- Bar --//
+ $$.updateTargetsForBar(targets);
+
+ //-- Line --//
+ $$.updateTargetsForLine(targets);
+
+ //-- Arc --//
+ if ($$.hasArcType() && $$.updateTargetsForArc) { $$.updateTargetsForArc(targets); }
+
+ /*-- Sub --*/
+
+ if ($$.updateTargetsForSubchart) { $$.updateTargetsForSubchart(targets); }
+
+ // Fade-in each chart
+ $$.showTargets();
+ };
+ c3_chart_internal_fn.showTargets = function () {
+ var $$ = this;
+ $$.svg.selectAll('.' + CLASS.target).filter(function (d) { return $$.isTargetToShow(d.id); })
+ .transition().duration($$.config.transition_duration)
+ .style("opacity", 1);
+ };
+
+ c3_chart_internal_fn.redraw = function (options, transitions) {
+ var $$ = this, main = $$.main, d3 = $$.d3, config = $$.config;
+ var areaIndices = $$.getShapeIndices($$.isAreaType), barIndices = $$.getShapeIndices($$.isBarType), lineIndices = $$.getShapeIndices($$.isLineType);
+ var withY, withSubchart, withTransition, withTransitionForExit, withTransitionForAxis,
+ withTransform, withUpdateXDomain, withUpdateOrgXDomain, withTrimXDomain, withLegend,
+ withEventRect, withDimension, withUpdateXAxis;
+ var hideAxis = $$.hasArcType();
+ var drawArea, drawBar, drawLine, xForText, yForText;
+ var duration, durationForExit, durationForAxis;
+ var waitForDraw, flow;
+ var targetsToShow = $$.filterTargetsToShow($$.data.targets), tickValues, i, intervalForCulling, xDomainForZoom;
+ var xv = $$.xv.bind($$), cx, cy;
+
+ options = options || {};
+ withY = getOption(options, "withY", true);
+ withSubchart = getOption(options, "withSubchart", true);
+ withTransition = getOption(options, "withTransition", true);
+ withTransform = getOption(options, "withTransform", false);
+ withUpdateXDomain = getOption(options, "withUpdateXDomain", false);
+ withUpdateOrgXDomain = getOption(options, "withUpdateOrgXDomain", false);
+ withTrimXDomain = getOption(options, "withTrimXDomain", true);
+ withUpdateXAxis = getOption(options, "withUpdateXAxis", withUpdateXDomain);
+ withLegend = getOption(options, "withLegend", false);
+ withEventRect = getOption(options, "withEventRect", true);
+ withDimension = getOption(options, "withDimension", true);
+ withTransitionForExit = getOption(options, "withTransitionForExit", withTransition);
+ withTransitionForAxis = getOption(options, "withTransitionForAxis", withTransition);
+
+ duration = withTransition ? config.transition_duration : 0;
+ durationForExit = withTransitionForExit ? duration : 0;
+ durationForAxis = withTransitionForAxis ? duration : 0;
+
+ transitions = transitions || $$.generateAxisTransitions(durationForAxis);
+
+ // update legend and transform each g
+ if (withLegend && config.legend_show) {
+ $$.updateLegend($$.mapToIds($$.data.targets), options, transitions);
+ } else if (withDimension) {
+ // need to update dimension (e.g. axis.y.tick.values) because y tick values should change
+ // no need to update axis in it because they will be updated in redraw()
+ $$.updateDimension(true);
+ }
+
+ // MEMO: needed for grids calculation
+ if ($$.isCategorized() && targetsToShow.length === 0) {
+ $$.x.domain([0, $$.axes.x.selectAll('.tick').size()]);
+ }
+
+ if (targetsToShow.length) {
+ $$.updateXDomain(targetsToShow, withUpdateXDomain, withUpdateOrgXDomain, withTrimXDomain);
+ if (!config.axis_x_tick_values) {
+ tickValues = $$.updateXAxisTickValues(targetsToShow);
+ }
+ } else {
+ $$.xAxis.tickValues([]);
+ $$.subXAxis.tickValues([]);
+ }
+
+ if (config.zoom_rescale && !options.flow) {
+ xDomainForZoom = $$.x.orgDomain();
+ }
+
+ $$.y.domain($$.getYDomain(targetsToShow, 'y', xDomainForZoom));
+ $$.y2.domain($$.getYDomain(targetsToShow, 'y2', xDomainForZoom));
+
+ if (!config.axis_y_tick_values && config.axis_y_tick_count) {
+ $$.yAxis.tickValues($$.generateTickValues($$.y.domain(), config.axis_y_tick_count));
+ }
+ if (!config.axis_y2_tick_values && config.axis_y2_tick_count) {
+ $$.y2Axis.tickValues($$.generateTickValues($$.y2.domain(), config.axis_y2_tick_count));
+ }
+
+ // axes
+ $$.redrawAxis(transitions, hideAxis);
+
+ // Update axis label
+ $$.updateAxisLabels(withTransition);
+
+ // show/hide if manual culling needed
+ if ((withUpdateXDomain || withUpdateXAxis) && targetsToShow.length) {
+ if (config.axis_x_tick_culling && tickValues) {
+ for (i = 1; i < tickValues.length; i++) {
+ if (tickValues.length / i < config.axis_x_tick_culling_max) {
+ intervalForCulling = i;
+ break;
+ }
+ }
+ $$.svg.selectAll('.' + CLASS.axisX + ' .tick text').each(function (e) {
+ var index = tickValues.indexOf(e);
+ if (index >= 0) {
+ d3.select(this).style('display', index % intervalForCulling ? 'none' : 'block');
+ }
+ });
+ } else {
+ $$.svg.selectAll('.' + CLASS.axisX + ' .tick text').style('display', 'block');
+ }
+ }
+
+ // setup drawer - MEMO: these must be called after axis updated
+ drawArea = $$.generateDrawArea ? $$.generateDrawArea(areaIndices, false) : undefined;
+ drawBar = $$.generateDrawBar ? $$.generateDrawBar(barIndices) : undefined;
+ drawLine = $$.generateDrawLine ? $$.generateDrawLine(lineIndices, false) : undefined;
+ xForText = $$.generateXYForText(areaIndices, barIndices, lineIndices, true);
+ yForText = $$.generateXYForText(areaIndices, barIndices, lineIndices, false);
+
+ // Update sub domain
+ if (withY) {
+ $$.subY.domain($$.getYDomain(targetsToShow, 'y'));
+ $$.subY2.domain($$.getYDomain(targetsToShow, 'y2'));
+ }
+
+ // tooltip
+ $$.tooltip.style("display", "none");
+
+ // xgrid focus
+ $$.updateXgridFocus();
+
+ // Data empty label positioning and text.
+ main.select("text." + CLASS.text + '.' + CLASS.empty)
+ .attr("x", $$.width / 2)
+ .attr("y", $$.height / 2)
+ .text(config.data_empty_label_text)
+ .transition()
+ .style('opacity', targetsToShow.length ? 0 : 1);
+
+ // grid
+ $$.updateGrid(duration);
+
+ // rect for regions
+ $$.updateRegion(duration);
+
+ // bars
+ $$.updateBar(durationForExit);
+
+ // lines, areas and cricles
+ $$.updateLine(durationForExit);
+ $$.updateArea(durationForExit);
+ $$.updateCircle();
+
+ // text
+ if ($$.hasDataLabel()) {
+ $$.updateText(durationForExit);
+ }
+
+ // arc
+ if ($$.redrawArc) { $$.redrawArc(duration, durationForExit, withTransform); }
+
+ // subchart
+ if ($$.redrawSubchart) {
+ $$.redrawSubchart(withSubchart, transitions, duration, durationForExit, areaIndices, barIndices, lineIndices);
+ }
+
+ // circles for select
+ main.selectAll('.' + CLASS.selectedCircles)
+ .filter($$.isBarType.bind($$))
+ .selectAll('circle')
+ .remove();
+
+ // event rects will redrawn when flow called
+ if (config.interaction_enabled && !options.flow && withEventRect) {
+ $$.redrawEventRect();
+ if ($$.updateZoom) { $$.updateZoom(); }
+ }
+
+ // update circleY based on updated parameters
+ $$.updateCircleY();
+
+ // generate circle x/y functions depending on updated params
+ cx = ($$.config.axis_rotated ? $$.circleY : $$.circleX).bind($$);
+ cy = ($$.config.axis_rotated ? $$.circleX : $$.circleY).bind($$);
+
+ if (options.flow) {
+ flow = $$.generateFlow({
+ targets: targetsToShow,
+ flow: options.flow,
+ duration: duration,
+ drawBar: drawBar,
+ drawLine: drawLine,
+ drawArea: drawArea,
+ cx: cx,
+ cy: cy,
+ xv: xv,
+ xForText: xForText,
+ yForText: yForText
+ });
+ }
+
+ if (duration) {
+ // transition should be derived from one transition
+ d3.transition().duration(duration).each(function () {
+ var transitionsToWait = [];
+
+ // redraw and gather transitions
+ [
+ $$.redrawBar(drawBar, true),
+ $$.redrawLine(drawLine, true),
+ $$.redrawArea(drawArea, true),
+ $$.redrawCircle(cx, cy, true),
+ $$.redrawText(xForText, yForText, options.flow, true),
+ $$.redrawRegion(true),
+ $$.redrawGrid(true),
+ ].forEach(function (transitions) {
+ transitions.forEach(function (transition) {
+ transitionsToWait.push(transition);
+ });
+ });
+
+ // Wait for end of transitions to call flow and onrendered callback
+ waitForDraw = $$.generateWait();
+ transitionsToWait.forEach(function (t) {
+ waitForDraw.add(t);
+ });
+ })
+ .call(waitForDraw, function () {
+ if (flow) {
+ flow();
+ }
+ if (config.onrendered) {
+ config.onrendered.call($$);
+ }
+ });
+ }
+ else {
+ $$.redrawBar(drawBar);
+ $$.redrawLine(drawLine);
+ $$.redrawArea(drawArea);
+ $$.redrawCircle(cx, cy);
+ if (config.onrendered) {
+ config.onrendered.call($$);
+ }
+ }
+
+ // update fadein condition
+ $$.mapToIds($$.data.targets).forEach(function (id) {
+ $$.withoutFadeIn[id] = true;
+ });
+ };
+
+ c3_chart_internal_fn.updateAndRedraw = function (options) {
+ var $$ = this, config = $$.config, transitions;
+ options = options || {};
+ // same with redraw
+ options.withTransition = getOption(options, "withTransition", true);
+ options.withTransform = getOption(options, "withTransform", false);
+ options.withLegend = getOption(options, "withLegend", false);
+ // NOT same with redraw
+ options.withUpdateXDomain = true;
+ options.withUpdateOrgXDomain = true;
+ options.withTransitionForExit = false;
+ options.withTransitionForTransform = getOption(options, "withTransitionForTransform", options.withTransition);
+ // MEMO: this needs to be called before updateLegend and it means this ALWAYS needs to be called)
+ $$.updateSizes();
+ // MEMO: called in updateLegend in redraw if withLegend
+ if (!(options.withLegend && config.legend_show)) {
+ transitions = $$.generateAxisTransitions(options.withTransitionForAxis ? config.transition_duration : 0);
+ // Update scales
+ $$.updateScales();
+ $$.updateSvgSize();
+ // Update g positions
+ $$.transformAll(options.withTransitionForTransform, transitions);
+ }
+ // Draw with new sizes & scales
+ $$.redraw(options, transitions);
+ };
+ c3_chart_internal_fn.redrawWithoutRescale = function () {
+ this.redraw({
+ withY: false,
+ withSubchart: false,
+ withEventRect: false,
+ withTransitionForAxis: false
+ });
+ };
+
+ c3_chart_internal_fn.isTimeSeries = function () {
+ return this.config.axis_x_type === 'timeseries';
+ };
+ c3_chart_internal_fn.isCategorized = function () {
+ return this.config.axis_x_type.indexOf('categor') >= 0;
+ };
+ c3_chart_internal_fn.isCustomX = function () {
+ var $$ = this, config = $$.config;
+ return !$$.isTimeSeries() && (config.data_x || notEmpty(config.data_xs));
+ };
+
+ c3_chart_internal_fn.isTimeSeriesY = function () {
+ return this.config.axis_y_type === 'timeseries';
+ };
+
+ c3_chart_internal_fn.getTranslate = function (target) {
+ var $$ = this, config = $$.config, x, y;
+ if (target === 'main') {
+ x = asHalfPixel($$.margin.left);
+ y = asHalfPixel($$.margin.top);
+ } else if (target === 'context') {
+ x = asHalfPixel($$.margin2.left);
+ y = asHalfPixel($$.margin2.top);
+ } else if (target === 'legend') {
+ x = $$.margin3.left;
+ y = $$.margin3.top;
+ } else if (target === 'x') {
+ x = 0;
+ y = config.axis_rotated ? 0 : $$.height;
+ } else if (target === 'y') {
+ x = 0;
+ y = config.axis_rotated ? $$.height : 0;
+ } else if (target === 'y2') {
+ x = config.axis_rotated ? 0 : $$.width;
+ y = config.axis_rotated ? 1 : 0;
+ } else if (target === 'subx') {
+ x = 0;
+ y = config.axis_rotated ? 0 : $$.height2;
+ } else if (target === 'arc') {
+ x = $$.arcWidth / 2;
+ y = $$.arcHeight / 2;
+ }
+ return "translate(" + x + "," + y + ")";
+ };
+ c3_chart_internal_fn.initialOpacity = function (d) {
+ return d.value !== null && this.withoutFadeIn[d.id] ? 1 : 0;
+ };
+ c3_chart_internal_fn.initialOpacityForCircle = function (d) {
+ return d.value !== null && this.withoutFadeIn[d.id] ? this.opacityForCircle(d) : 0;
+ };
+ c3_chart_internal_fn.opacityForCircle = function (d) {
+ var opacity = this.config.point_show ? 1 : 0;
+ return isValue(d.value) ? (this.isScatterType(d) ? 0.5 : opacity) : 0;
+ };
+ c3_chart_internal_fn.opacityForText = function () {
+ return this.hasDataLabel() ? 1 : 0;
+ };
+ c3_chart_internal_fn.xx = function (d) {
+ return d ? this.x(d.x) : null;
+ };
+ c3_chart_internal_fn.xv = function (d) {
+ var $$ = this, value = d.value;
+ if ($$.isTimeSeries()) {
+ value = $$.parseDate(d.value);
+ }
+ else if ($$.isCategorized() && typeof d.value === 'string') {
+ value = $$.config.axis_x_categories.indexOf(d.value);
+ }
+ return Math.ceil($$.x(value));
+ };
+ c3_chart_internal_fn.yv = function (d) {
+ var $$ = this,
+ yScale = d.axis && d.axis === 'y2' ? $$.y2 : $$.y;
+ return Math.ceil(yScale(d.value));
+ };
+ c3_chart_internal_fn.subxx = function (d) {
+ return d ? this.subX(d.x) : null;
+ };
+
+ c3_chart_internal_fn.transformMain = function (withTransition, transitions) {
+ var $$ = this,
+ xAxis, yAxis, y2Axis;
+ if (transitions && transitions.axisX) {
+ xAxis = transitions.axisX;
+ } else {
+ xAxis = $$.main.select('.' + CLASS.axisX);
+ if (withTransition) { xAxis = xAxis.transition(); }
+ }
+ if (transitions && transitions.axisY) {
+ yAxis = transitions.axisY;
+ } else {
+ yAxis = $$.main.select('.' + CLASS.axisY);
+ if (withTransition) { yAxis = yAxis.transition(); }
+ }
+ if (transitions && transitions.axisY2) {
+ y2Axis = transitions.axisY2;
+ } else {
+ y2Axis = $$.main.select('.' + CLASS.axisY2);
+ if (withTransition) { y2Axis = y2Axis.transition(); }
+ }
+ (withTransition ? $$.main.transition() : $$.main).attr("transform", $$.getTranslate('main'));
+ xAxis.attr("transform", $$.getTranslate('x'));
+ yAxis.attr("transform", $$.getTranslate('y'));
+ y2Axis.attr("transform", $$.getTranslate('y2'));
+ $$.main.select('.' + CLASS.chartArcs).attr("transform", $$.getTranslate('arc'));
+ };
+ c3_chart_internal_fn.transformAll = function (withTransition, transitions) {
+ var $$ = this;
+ $$.transformMain(withTransition, transitions);
+ if ($$.config.subchart_show) { $$.transformContext(withTransition, transitions); }
+ if ($$.legend) { $$.transformLegend(withTransition); }
+ };
+
+ c3_chart_internal_fn.updateSvgSize = function () {
+ var $$ = this,
+ brush = $$.svg.select(".c3-brush .background");
+ $$.svg.attr('width', $$.currentWidth).attr('height', $$.currentHeight);
+ $$.svg.selectAll(['#' + $$.clipId, '#' + $$.clipIdForGrid]).select('rect')
+ .attr('width', $$.width)
+ .attr('height', $$.height);
+ $$.svg.select('#' + $$.clipIdForXAxis).select('rect')
+ .attr('x', $$.getXAxisClipX.bind($$))
+ .attr('y', $$.getXAxisClipY.bind($$))
+ .attr('width', $$.getXAxisClipWidth.bind($$))
+ .attr('height', $$.getXAxisClipHeight.bind($$));
+ $$.svg.select('#' + $$.clipIdForYAxis).select('rect')
+ .attr('x', $$.getYAxisClipX.bind($$))
+ .attr('y', $$.getYAxisClipY.bind($$))
+ .attr('width', $$.getYAxisClipWidth.bind($$))
+ .attr('height', $$.getYAxisClipHeight.bind($$));
+ $$.svg.select('#' + $$.clipIdForSubchart).select('rect')
+ .attr('width', $$.width)
+ .attr('height', brush.size() ? brush.attr('height') : 0);
+ $$.svg.select('.' + CLASS.zoomRect)
+ .attr('width', $$.width)
+ .attr('height', $$.height);
+ // MEMO: parent div's height will be bigger than svg when <!DOCTYPE html>
+ $$.selectChart.style('max-height', $$.currentHeight + "px");
+ };
+
+
+ c3_chart_internal_fn.updateDimension = function (withoutAxis) {
+ var $$ = this;
+ if (!withoutAxis) {
+ if ($$.config.axis_rotated) {
+ $$.axes.x.call($$.xAxis);
+ $$.axes.subx.call($$.subXAxis);
+ } else {
+ $$.axes.y.call($$.yAxis);
+ $$.axes.y2.call($$.y2Axis);
+ }
+ }
+ $$.updateSizes();
+ $$.updateScales();
+ $$.updateSvgSize();
+ $$.transformAll(false);
+ };
+
+ c3_chart_internal_fn.observeInserted = function (selection) {
+ var $$ = this, observer = new MutationObserver(function (mutations) {
+ mutations.forEach(function (mutation) {
+ if (mutation.type === 'childList' && mutation.previousSibling) {
+ observer.disconnect();
+ // need to wait for completion of load because size calculation requires the actual sizes determined after that completion
+ $$.intervalForObserveInserted = window.setInterval(function () {
+ // parentNode will NOT be null when completed
+ if (selection.node().parentNode) {
+ window.clearInterval($$.intervalForObserveInserted);
+ $$.updateDimension();
+ $$.config.oninit.call($$);
+ $$.redraw({
+ withTransform: true,
+ withUpdateXDomain: true,
+ withUpdateOrgXDomain: true,
+ withTransition: false,
+ withTransitionForTransform: false,
+ withLegend: true
+ });
+ selection.transition().style('opacity', 1);
+ }
+ }, 10);
+ }
+ });
+ });
+ observer.observe(selection.node(), {attributes: true, childList: true, characterData: true});
+ };
+
+
+ c3_chart_internal_fn.generateResize = function () {
+ var resizeFunctions = [];
+ function callResizeFunctions() {
+ resizeFunctions.forEach(function (f) {
+ f();
+ });
+ }
+ callResizeFunctions.add = function (f) {
+ resizeFunctions.push(f);
+ };
+ return callResizeFunctions;
+ };
+
+ c3_chart_internal_fn.endall = function (transition, callback) {
+ var n = 0;
+ transition
+ .each(function () { ++n; })
+ .each("end", function () {
+ if (!--n) { callback.apply(this, arguments); }
+ });
+ };
+ c3_chart_internal_fn.generateWait = function () {
+ var transitionsToWait = [],
+ f = function (transition, callback) {
+ var timer = setInterval(function () {
+ var done = 0;
+ transitionsToWait.forEach(function (t) {
+ if (t.empty()) {
+ done += 1;
+ return;
+ }
+ try {
+ t.transition();
+ } catch (e) {
+ done += 1;
+ }
+ });
+ if (done === transitionsToWait.length) {
+ clearInterval(timer);
+ if (callback) { callback(); }
+ }
+ }, 10);
+ };
+ f.add = function (transition) {
+ transitionsToWait.push(transition);
+ };
+ return f;
+ };
+
+ c3_chart_internal_fn.parseDate = function (date) {
+ var $$ = this, parsedDate;
+ if (date instanceof Date) {
+ parsedDate = date;
+ } else if (typeof date === 'number' || !isNaN(date)) {
+ parsedDate = new Date(+date);
+ } else {
+ parsedDate = $$.dataTimeFormat($$.config.data_xFormat).parse(date);
+ }
+ if (!parsedDate || isNaN(+parsedDate)) {
+ window.console.error("Failed to parse x '" + date + "' to Date object");
+ }
+ return parsedDate;
+ };
+
+ c3_chart_internal_fn.getDefaultConfig = function () {
+ var config = {
+ bindto: '#chart',
+ size_width: undefined,
+ size_height: undefined,
+ padding_left: undefined,
+ padding_right: undefined,
+ padding_top: undefined,
+ padding_bottom: undefined,
+ zoom_enabled: false,
+ zoom_extent: undefined,
+ zoom_privileged: false,
+ zoom_rescale: false,
+ zoom_onzoom: function () {},
+ zoom_onzoomstart: function () {},
+ zoom_onzoomend: function () {},
+ interaction_enabled: true,
+ onmouseover: function () {},
+ onmouseout: function () {},
+ onresize: function () {},
+ onresized: function () {},
+ oninit: function () {},
+ onrendered: function () {},
+ transition_duration: 350,
+ data_x: undefined,
+ data_xs: {},
+ data_xFormat: '%Y-%m-%d',
+ data_xLocaltime: true,
+ data_xSort: true,
+ data_idConverter: function (id) { return id; },
+ data_names: {},
+ data_classes: {},
+ data_groups: [],
+ data_axes: {},
+ data_type: undefined,
+ data_types: {},
+ data_labels: {},
+ data_order: 'desc',
+ data_regions: {},
+ data_color: undefined,
+ data_colors: {},
+ data_hide: false,
+ data_filter: undefined,
+ data_selection_enabled: false,
+ data_selection_grouped: false,
+ data_selection_isselectable: function () { return true; },
+ data_selection_multiple: true,
+ data_selection_draggable: false,
+ data_onclick: function () {},
+ data_onmouseover: function () {},
+ data_onmouseout: function () {},
+ data_onselected: function () {},
+ data_onunselected: function () {},
+ data_url: undefined,
+ data_json: undefined,
+ data_rows: undefined,
+ data_columns: undefined,
+ data_mimeType: undefined,
+ data_keys: undefined,
+ // configuration for no plot-able data supplied.
+ data_empty_label_text: "",
+ // subchart
+ subchart_show: false,
+ subchart_size_height: 60,
+ subchart_onbrush: function () {},
+ // color
+ color_pattern: [],
+ color_threshold: {},
+ // legend
+ legend_show: true,
+ legend_hide: false,
+ legend_position: 'bottom',
+ legend_inset_anchor: 'top-left',
+ legend_inset_x: 10,
+ legend_inset_y: 0,
+ legend_inset_step: undefined,
+ legend_item_onclick: undefined,
+ legend_item_onmouseover: undefined,
+ legend_item_onmouseout: undefined,
+ legend_equally: false,
+ // axis
+ axis_rotated: false,
+ axis_x_show: true,
+ axis_x_type: 'indexed',
+ axis_x_localtime: true,
+ axis_x_categories: [],
+ axis_x_tick_centered: false,
+ axis_x_tick_format: undefined,
+ axis_x_tick_culling: {},
+ axis_x_tick_culling_max: 10,
+ axis_x_tick_count: undefined,
+ axis_x_tick_fit: true,
+ axis_x_tick_values: null,
+ axis_x_tick_rotate: 0,
+ axis_x_tick_outer: true,
+ axis_x_tick_multiline: true,
+ axis_x_tick_width: null,
+ axis_x_max: undefined,
+ axis_x_min: undefined,
+ axis_x_padding: {},
+ axis_x_height: undefined,
+ axis_x_extent: undefined,
+ axis_x_label: {},
+ axis_y_show: true,
+ axis_y_type: undefined,
+ axis_y_max: undefined,
+ axis_y_min: undefined,
+ axis_y_inverted: false,
+ axis_y_center: undefined,
+ axis_y_inner: undefined,
+ axis_y_label: {},
+ axis_y_tick_format: undefined,
+ axis_y_tick_outer: true,
+ axis_y_tick_values: null,
+ axis_y_tick_count: undefined,
+ axis_y_tick_time_value: undefined,
+ axis_y_tick_time_interval: undefined,
+ axis_y_padding: {},
+ axis_y_default: undefined,
+ axis_y2_show: false,
+ axis_y2_max: undefined,
+ axis_y2_min: undefined,
+ axis_y2_inverted: false,
+ axis_y2_center: undefined,
+ axis_y2_inner: undefined,
+ axis_y2_label: {},
+ axis_y2_tick_format: undefined,
+ axis_y2_tick_outer: true,
+ axis_y2_tick_values: null,
+ axis_y2_tick_count: undefined,
+ axis_y2_padding: {},
+ axis_y2_default: undefined,
+ // grid
+ grid_x_show: false,
+ grid_x_type: 'tick',
+ grid_x_lines: [],
+ grid_y_show: false,
+ // not used
+ // grid_y_type: 'tick',
+ grid_y_lines: [],
+ grid_y_ticks: 10,
+ grid_focus_show: true,
+ grid_lines_front: true,
+ // point - point of each data
+ point_show: true,
+ point_r: 2.5,
+ point_focus_expand_enabled: true,
+ point_focus_expand_r: undefined,
+ point_select_r: undefined,
+ // line
+ line_connectNull: false,
+ line_step_type: 'step',
+ // bar
+ bar_width: undefined,
+ bar_width_ratio: 0.6,
+ bar_width_max: undefined,
+ bar_zerobased: true,
+ // area
+ area_zerobased: true,
+ // pie
+ pie_label_show: true,
+ pie_label_format: undefined,
+ pie_label_threshold: 0.05,
+ pie_expand: true,
+ // gauge
+ gauge_label_show: true,
+ gauge_label_format: undefined,
+ gauge_expand: true,
+ gauge_min: 0,
+ gauge_max: 100,
+ gauge_units: undefined,
+ gauge_width: undefined,
+ // donut
+ donut_label_show: true,
+ donut_label_format: undefined,
+ donut_label_threshold: 0.05,
+ donut_width: undefined,
+ donut_expand: true,
+ donut_title: "",
+ // region - region to change style
+ regions: [],
+ // tooltip - show when mouseover on each data
+ tooltip_show: true,
+ tooltip_grouped: true,
+ tooltip_format_title: undefined,
+ tooltip_format_name: undefined,
+ tooltip_format_value: undefined,
+ tooltip_position: undefined,
+ tooltip_contents: function (d, defaultTitleFormat, defaultValueFormat, color) {
+ return this.getTooltipContent ? this.getTooltipContent(d, defaultTitleFormat, defaultValueFormat, color) : '';
+ },
+ tooltip_init_show: false,
+ tooltip_init_x: 0,
+ tooltip_init_position: {top: '0px', left: '50px'}
+ };
+
+ Object.keys(this.additionalConfig).forEach(function (key) {
+ config[key] = this.additionalConfig[key];
+ }, this);
+
+ return config;
+ };
+ c3_chart_internal_fn.additionalConfig = {};
+
+ c3_chart_internal_fn.loadConfig = function (config) {
+ var this_config = this.config, target, keys, read;
+ function find() {
+ var key = keys.shift();
+ // console.log("key =>", key, ", target =>", target);
+ if (key && target && typeof target === 'object' && key in target) {
+ target = target[key];
+ return find();
+ }
+ else if (!key) {
+ return target;
+ }
+ else {
+ return undefined;
+ }
+ }
+ Object.keys(this_config).forEach(function (key) {
+ target = config;
+ keys = key.split('_');
+ read = find();
+ // console.log("CONFIG : ", key, read);
+ if (isDefined(read)) {
+ this_config[key] = read;
+ }
+ });
+ };
+
+ c3_chart_internal_fn.getScale = function (min, max, forTimeseries) {
+ return (forTimeseries ? this.d3.time.scale() : this.d3.scale.linear()).range([min, max]);
+ };
+ c3_chart_internal_fn.getX = function (min, max, domain, offset) {
+ var $$ = this,
+ scale = $$.getScale(min, max, $$.isTimeSeries()),
+ _scale = domain ? scale.domain(domain) : scale, key;
+ // Define customized scale if categorized axis
+ if ($$.isCategorized()) {
+ offset = offset || function () { return 0; };
+ scale = function (d, raw) {
+ var v = _scale(d) + offset(d);
+ return raw ? v : Math.ceil(v);
+ };
+ } else {
+ scale = function (d, raw) {
+ var v = _scale(d);
+ return raw ? v : Math.ceil(v);
+ };
+ }
+ // define functions
+ for (key in _scale) {
+ scale[key] = _scale[key];
+ }
+ scale.orgDomain = function () {
+ return _scale.domain();
+ };
+ // define custom domain() for categorized axis
+ if ($$.isCategorized()) {
+ scale.domain = function (domain) {
+ if (!arguments.length) {
+ domain = this.orgDomain();
+ return [domain[0], domain[1] + 1];
+ }
+ _scale.domain(domain);
+ return scale;
+ };
+ }
+ return scale;
+ };
+ c3_chart_internal_fn.getY = function (min, max, domain) {
+ var scale = this.getScale(min, max, this.isTimeSeriesY());
+ if (domain) { scale.domain(domain); }
+ return scale;
+ };
+ c3_chart_internal_fn.getYScale = function (id) {
+ return this.getAxisId(id) === 'y2' ? this.y2 : this.y;
+ };
+ c3_chart_internal_fn.getSubYScale = function (id) {
+ return this.getAxisId(id) === 'y2' ? this.subY2 : this.subY;
+ };
+ c3_chart_internal_fn.updateScales = function () {
+ var $$ = this, config = $$.config,
+ forInit = !$$.x;
+ // update edges
+ $$.xMin = config.axis_rotated ? 1 : 0;
+ $$.xMax = config.axis_rotated ? $$.height : $$.width;
+ $$.yMin = config.axis_rotated ? 0 : $$.height;
+ $$.yMax = config.axis_rotated ? $$.width : 1;
+ $$.subXMin = $$.xMin;
+ $$.subXMax = $$.xMax;
+ $$.subYMin = config.axis_rotated ? 0 : $$.height2;
+ $$.subYMax = config.axis_rotated ? $$.width2 : 1;
+ // update scales
+ $$.x = $$.getX($$.xMin, $$.xMax, forInit ? undefined : $$.x.orgDomain(), function () { return $$.xAxis.tickOffset(); });
+ $$.y = $$.getY($$.yMin, $$.yMax, forInit ? config.axis_y_default : $$.y.domain());
+ $$.y2 = $$.getY($$.yMin, $$.yMax, forInit ? config.axis_y2_default : $$.y2.domain());
+ $$.subX = $$.getX($$.xMin, $$.xMax, $$.orgXDomain, function (d) { return d % 1 ? 0 : $$.subXAxis.tickOffset(); });
+ $$.subY = $$.getY($$.subYMin, $$.subYMax, forInit ? config.axis_y_default : $$.subY.domain());
+ $$.subY2 = $$.getY($$.subYMin, $$.subYMax, forInit ? config.axis_y2_default : $$.subY2.domain());
+ // update axes
+ $$.xAxisTickFormat = $$.getXAxisTickFormat();
+ $$.xAxisTickValues = $$.getXAxisTickValues();
+ $$.yAxisTickValues = $$.getYAxisTickValues();
+ $$.y2AxisTickValues = $$.getY2AxisTickValues();
+
+ $$.xAxis = $$.getXAxis($$.x, $$.xOrient, $$.xAxisTickFormat, $$.xAxisTickValues, config.axis_x_tick_outer);
+ $$.subXAxis = $$.getXAxis($$.subX, $$.subXOrient, $$.xAxisTickFormat, $$.xAxisTickValues, config.axis_x_tick_outer);
+ $$.yAxis = $$.getYAxis($$.y, $$.yOrient, config.axis_y_tick_format, $$.yAxisTickValues, config.axis_y_tick_outer);
+ $$.y2Axis = $$.getYAxis($$.y2, $$.y2Orient, config.axis_y2_tick_format, $$.y2AxisTickValues, config.axis_y2_tick_outer);
+
+ // Set initialized scales to brush and zoom
+ if (!forInit) {
+ if ($$.brush) { $$.brush.scale($$.subX); }
+ if (config.zoom_enabled) { $$.zoom.scale($$.x); }
+ }
+ // update for arc
+ if ($$.updateArc) { $$.updateArc(); }
+ };
+
+ c3_chart_internal_fn.getYDomainMin = function (targets) {
+ var $$ = this, config = $$.config,
+ ids = $$.mapToIds(targets), ys = $$.getValuesAsIdKeyed(targets),
+ j, k, baseId, idsInGroup, id, hasNegativeValue;
+ if (config.data_groups.length > 0) {
+ hasNegativeValue = $$.hasNegativeValueInTargets(targets);
+ for (j = 0; j < config.data_groups.length; j++) {
+ // Determine baseId
+ idsInGroup = config.data_groups[j].filter(function (id) { return ids.indexOf(id) >= 0; });
+ if (idsInGroup.length === 0) { continue; }
+ baseId = idsInGroup[0];
+ // Consider negative values
+ if (hasNegativeValue && ys[baseId]) {
+ ys[baseId].forEach(function (v, i) {
+ ys[baseId][i] = v < 0 ? v : 0;
+ });
+ }
+ // Compute min
+ for (k = 1; k < idsInGroup.length; k++) {
+ id = idsInGroup[k];
+ if (! ys[id]) { continue; }
+ ys[id].forEach(function (v, i) {
+ if ($$.getAxisId(id) === $$.getAxisId(baseId) && ys[baseId] && !(hasNegativeValue && +v > 0)) {
+ ys[baseId][i] += +v;
+ }
+ });
+ }
+ }
+ }
+ return $$.d3.min(Object.keys(ys).map(function (key) { return $$.d3.min(ys[key]); }));
+ };
+ c3_chart_internal_fn.getYDomainMax = function (targets) {
+ var $$ = this, config = $$.config,
+ ids = $$.mapToIds(targets), ys = $$.getValuesAsIdKeyed(targets),
+ j, k, baseId, idsInGroup, id, hasPositiveValue;
+ if (config.data_groups.length > 0) {
+ hasPositiveValue = $$.hasPositiveValueInTargets(targets);
+ for (j = 0; j < config.data_groups.length; j++) {
+ // Determine baseId
+ idsInGroup = config.data_groups[j].filter(function (id) { return ids.indexOf(id) >= 0; });
+ if (idsInGroup.length === 0) { continue; }
+ baseId = idsInGroup[0];
+ // Consider positive values
+ if (hasPositiveValue && ys[baseId]) {
+ ys[baseId].forEach(function (v, i) {
+ ys[baseId][i] = v > 0 ? v : 0;
+ });
+ }
+ // Compute max
+ for (k = 1; k < idsInGroup.length; k++) {
+ id = idsInGroup[k];
+ if (! ys[id]) { continue; }
+ ys[id].forEach(function (v, i) {
+ if ($$.getAxisId(id) === $$.getAxisId(baseId) && ys[baseId] && !(hasPositiveValue && +v < 0)) {
+ ys[baseId][i] += +v;
+ }
+ });
+ }
+ }
+ }
+ return $$.d3.max(Object.keys(ys).map(function (key) { return $$.d3.max(ys[key]); }));
+ };
+ c3_chart_internal_fn.getYDomain = function (targets, axisId, xDomain) {
+ var $$ = this, config = $$.config,
+ targetsByAxisId = targets.filter(function (t) { return $$.getAxisId(t.id) === axisId; }),
+ yTargets = xDomain ? $$.filterByXDomain(targetsByAxisId, xDomain) : targetsByAxisId,
+ yMin = axisId === 'y2' ? config.axis_y2_min : config.axis_y_min,
+ yMax = axisId === 'y2' ? config.axis_y2_max : config.axis_y_max,
+ yDomainMin = $$.getYDomainMin(yTargets),
+ yDomainMax = $$.getYDomainMax(yTargets),
+ domain, domainLength, padding, padding_top, padding_bottom,
+ center = axisId === 'y2' ? config.axis_y2_center : config.axis_y_center,
+ yDomainAbs, lengths, diff, ratio, isAllPositive, isAllNegative,
+ isZeroBased = ($$.hasType('bar', yTargets) && config.bar_zerobased) || ($$.hasType('area', yTargets) && config.area_zerobased),
+ isInverted = axisId === 'y2' ? config.axis_y2_inverted : config.axis_y_inverted,
+ showHorizontalDataLabel = $$.hasDataLabel() && config.axis_rotated,
+ showVerticalDataLabel = $$.hasDataLabel() && !config.axis_rotated;
+
+ // MEMO: avoid inverting domain unexpectedly
+ yDomainMin = isValue(yMin) ? yMin : isValue(yMax) ? (yDomainMin < yMax ? yDomainMin : yMax - 10) : yDomainMin;
+ yDomainMax = isValue(yMax) ? yMax : isValue(yMin) ? (yMin < yDomainMax ? yDomainMax : yMin + 10) : yDomainMax;
+
+ if (yTargets.length === 0) { // use current domain if target of axisId is none
+ return axisId === 'y2' ? $$.y2.domain() : $$.y.domain();
+ }
+ if (isNaN(yDomainMin)) { // set minimum to zero when not number
+ yDomainMin = 0;
+ }
+ if (isNaN(yDomainMax)) { // set maximum to have same value as yDomainMin
+ yDomainMax = yDomainMin;
+ }
+ if (yDomainMin === yDomainMax) {
+ yDomainMin < 0 ? yDomainMax = 0 : yDomainMin = 0;
+ }
+ isAllPositive = yDomainMin >= 0 && yDomainMax >= 0;
+ isAllNegative = yDomainMin <= 0 && yDomainMax <= 0;
+
+ // Cancel zerobased if axis_*_min / axis_*_max specified
+ if ((isValue(yMin) && isAllPositive) || (isValue(yMax) && isAllNegative)) {
+ isZeroBased = false;
+ }
+
+ // Bar/Area chart should be 0-based if all positive|negative
+ if (isZeroBased) {
+ if (isAllPositive) { yDomainMin = 0; }
+ if (isAllNegative) { yDomainMax = 0; }
+ }
+
+ domainLength = Math.abs(yDomainMax - yDomainMin);
+ padding = padding_top = padding_bottom = domainLength * 0.1;
+
+ if (typeof center !== 'undefined') {
+ yDomainAbs = Math.max(Math.abs(yDomainMin), Math.abs(yDomainMax));
+ yDomainMax = center + yDomainAbs;
+ yDomainMin = center - yDomainAbs;
+ }
+ // add padding for data label
+ if (showHorizontalDataLabel) {
+ lengths = $$.getDataLabelLength(yDomainMin, yDomainMax, 'width');
+ diff = diffDomain($$.y.range());
+ ratio = [lengths[0] / diff, lengths[1] / diff];
+ padding_top += domainLength * (ratio[1] / (1 - ratio[0] - ratio[1]));
+ padding_bottom += domainLength * (ratio[0] / (1 - ratio[0] - ratio[1]));
+ } else if (showVerticalDataLabel) {
+ lengths = $$.getDataLabelLength(yDomainMin, yDomainMax, 'height');
+ padding_top += this.convertPixelsToAxisPadding(lengths[1], domainLength);
+ padding_bottom += this.convertPixelsToAxisPadding(lengths[0], domainLength);
+ }
+ if (axisId === 'y' && notEmpty(config.axis_y_padding)) {
+ padding_top = $$.getAxisPadding(config.axis_y_padding, 'top', padding_top, domainLength);
+ padding_bottom = $$.getAxisPadding(config.axis_y_padding, 'bottom', padding_bottom, domainLength);
+ }
+ if (axisId === 'y2' && notEmpty(config.axis_y2_padding)) {
+ padding_top = $$.getAxisPadding(config.axis_y2_padding, 'top', padding_top, domainLength);
+ padding_bottom = $$.getAxisPadding(config.axis_y2_padding, 'bottom', padding_bottom, domainLength);
+ }
+ // Bar/Area chart should be 0-based if all positive|negative
+ if (isZeroBased) {
+ if (isAllPositive) { padding_bottom = yDomainMin; }
+ if (isAllNegative) { padding_top = -yDomainMax; }
+ }
+ domain = [yDomainMin - padding_bottom, yDomainMax + padding_top];
+ return isInverted ? domain.reverse() : domain;
+ };
+ c3_chart_internal_fn.getXDomainMin = function (targets) {
+ var $$ = this, config = $$.config;
+ return isDefined(config.axis_x_min) ?
+ ($$.isTimeSeries() ? this.parseDate(config.axis_x_min) : config.axis_x_min) :
+ $$.d3.min(targets, function (t) { return $$.d3.min(t.values, function (v) { return v.x; }); });
+ };
+ c3_chart_internal_fn.getXDomainMax = function (targets) {
+ var $$ = this, config = $$.config;
+ return isDefined(config.axis_x_max) ?
+ ($$.isTimeSeries() ? this.parseDate(config.axis_x_max) : config.axis_x_max) :
+ $$.d3.max(targets, function (t) { return $$.d3.max(t.values, function (v) { return v.x; }); });
+ };
+ c3_chart_internal_fn.getXDomainPadding = function (domain) {
+ var $$ = this, config = $$.config,
+ diff = domain[1] - domain[0],
+ maxDataCount, padding, paddingLeft, paddingRight;
+ if ($$.isCategorized()) {
+ padding = 0;
+ } else if ($$.hasType('bar')) {
+ maxDataCount = $$.getMaxDataCount();
+ padding = maxDataCount > 1 ? (diff / (maxDataCount - 1)) / 2 : 0.5;
+ } else {
+ padding = diff * 0.01;
+ }
+ if (typeof config.axis_x_padding === 'object' && notEmpty(config.axis_x_padding)) {
+ paddingLeft = isValue(config.axis_x_padding.left) ? config.axis_x_padding.left : padding;
+ paddingRight = isValue(config.axis_x_padding.right) ? config.axis_x_padding.right : padding;
+ } else if (typeof config.axis_x_padding === 'number') {
+ paddingLeft = paddingRight = config.axis_x_padding;
+ } else {
+ paddingLeft = paddingRight = padding;
+ }
+ return {left: paddingLeft, right: paddingRight};
+ };
+ c3_chart_internal_fn.getXDomain = function (targets) {
+ var $$ = this,
+ xDomain = [$$.getXDomainMin(targets), $$.getXDomainMax(targets)],
+ firstX = xDomain[0], lastX = xDomain[1],
+ padding = $$.getXDomainPadding(xDomain),
+ min = 0, max = 0;
+ // show center of x domain if min and max are the same
+ if ((firstX - lastX) === 0 && !$$.isCategorized()) {
+ if ($$.isTimeSeries()) {
+ firstX = new Date(firstX.getTime() * 0.5);
+ lastX = new Date(lastX.getTime() * 1.5);
+ } else {
+ firstX = firstX === 0 ? 1 : (firstX * 0.5);
+ lastX = lastX === 0 ? -1 : (lastX * 1.5);
+ }
+ }
+ if (firstX || firstX === 0) {
+ min = $$.isTimeSeries() ? new Date(firstX.getTime() - padding.left) : firstX - padding.left;
+ }
+ if (lastX || lastX === 0) {
+ max = $$.isTimeSeries() ? new Date(lastX.getTime() + padding.right) : lastX + padding.right;
+ }
+ return [min, max];
+ };
+ c3_chart_internal_fn.updateXDomain = function (targets, withUpdateXDomain, withUpdateOrgXDomain, withTrim, domain) {
+ var $$ = this, config = $$.config;
+
+ if (withUpdateOrgXDomain) {
+ $$.x.domain(domain ? domain : $$.d3.extent($$.getXDomain(targets)));
+ $$.orgXDomain = $$.x.domain();
+ if (config.zoom_enabled) { $$.zoom.scale($$.x).updateScaleExtent(); }
+ $$.subX.domain($$.x.domain());
+ if ($$.brush) { $$.brush.scale($$.subX); }
+ }
+ if (withUpdateXDomain) {
+ $$.x.domain(domain ? domain : (!$$.brush || $$.brush.empty()) ? $$.orgXDomain : $$.brush.extent());
+ if (config.zoom_enabled) { $$.zoom.scale($$.x).updateScaleExtent(); }
+ }
+
+ // Trim domain when too big by zoom mousemove event
+ if (withTrim) { $$.x.domain($$.trimXDomain($$.x.orgDomain())); }
+
+ return $$.x.domain();
+ };
+ c3_chart_internal_fn.trimXDomain = function (domain) {
+ var $$ = this;
+ if (domain[0] <= $$.orgXDomain[0]) {
+ domain[1] = +domain[1] + ($$.orgXDomain[0] - domain[0]);
+ domain[0] = $$.orgXDomain[0];
+ }
+ if ($$.orgXDomain[1] <= domain[1]) {
+ domain[0] = +domain[0] - (domain[1] - $$.orgXDomain[1]);
+ domain[1] = $$.orgXDomain[1];
+ }
+ return domain;
+ };
+
+ c3_chart_internal_fn.isX = function (key) {
+ var $$ = this, config = $$.config;
+ return (config.data_x && key === config.data_x) || (notEmpty(config.data_xs) && hasValue(config.data_xs, key));
+ };
+ c3_chart_internal_fn.isNotX = function (key) {
+ return !this.isX(key);
+ };
+ c3_chart_internal_fn.getXKey = function (id) {
+ var $$ = this, config = $$.config;
+ return config.data_x ? config.data_x : notEmpty(config.data_xs) ? config.data_xs[id] : null;
+ };
+ c3_chart_internal_fn.getXValuesOfXKey = function (key, targets) {
+ var $$ = this,
+ xValues, ids = targets && notEmpty(targets) ? $$.mapToIds(targets) : [];
+ ids.forEach(function (id) {
+ if ($$.getXKey(id) === key) {
+ xValues = $$.data.xs[id];
+ }
+ });
+ return xValues;
+ };
+ c3_chart_internal_fn.getIndexByX = function (x) {
+ var $$ = this,
+ data = $$.filterByX($$.data.targets, x);
+ return data.length ? data[0].index : null;
+ };
+ c3_chart_internal_fn.getXValue = function (id, i) {
+ var $$ = this;
+ return id in $$.data.xs && $$.data.xs[id] && isValue($$.data.xs[id][i]) ? $$.data.xs[id][i] : i;
+ };
+ c3_chart_internal_fn.getOtherTargetXs = function () {
+ var $$ = this,
+ idsForX = Object.keys($$.data.xs);
+ return idsForX.length ? $$.data.xs[idsForX[0]] : null;
+ };
+ c3_chart_internal_fn.getOtherTargetX = function (index) {
+ var xs = this.getOtherTargetXs();
+ return xs && index < xs.length ? xs[index] : null;
+ };
+ c3_chart_internal_fn.addXs = function (xs) {
+ var $$ = this;
+ Object.keys(xs).forEach(function (id) {
+ $$.config.data_xs[id] = xs[id];
+ });
+ };
+ c3_chart_internal_fn.hasMultipleX = function (xs) {
+ return this.d3.set(Object.keys(xs).map(function (id) { return xs[id]; })).size() > 1;
+ };
+ c3_chart_internal_fn.isMultipleX = function () {
+ return notEmpty(this.config.data_xs) || !this.config.data_xSort || this.hasType('scatter');
+ };
+ c3_chart_internal_fn.addName = function (data) {
+ var $$ = this, name;
+ if (data) {
+ name = $$.config.data_names[data.id];
+ data.name = name ? name : data.id;
+ }
+ return data;
+ };
+ c3_chart_internal_fn.getValueOnIndex = function (values, index) {
+ var valueOnIndex = values.filter(function (v) { return v.index === index; });
+ return valueOnIndex.length ? valueOnIndex[0] : null;
+ };
+ c3_chart_internal_fn.updateTargetX = function (targets, x) {
+ var $$ = this;
+ targets.forEach(function (t) {
+ t.values.forEach(function (v, i) {
+ v.x = $$.generateTargetX(x[i], t.id, i);
+ });
+ $$.data.xs[t.id] = x;
+ });
+ };
+ c3_chart_internal_fn.updateTargetXs = function (targets, xs) {
+ var $$ = this;
+ targets.forEach(function (t) {
+ if (xs[t.id]) {
+ $$.updateTargetX([t], xs[t.id]);
+ }
+ });
+ };
+ c3_chart_internal_fn.generateTargetX = function (rawX, id, index) {
+ var $$ = this, x;
+ if ($$.isTimeSeries()) {
+ x = rawX ? $$.parseDate(rawX) : $$.parseDate($$.getXValue(id, index));
+ }
+ else if ($$.isCustomX() && !$$.isCategorized()) {
+ x = isValue(rawX) ? +rawX : $$.getXValue(id, index);
+ }
+ else {
+ x = index;
+ }
+ return x;
+ };
+ c3_chart_internal_fn.cloneTarget = function (target) {
+ return {
+ id : target.id,
+ id_org : target.id_org,
+ values : target.values.map(function (d) {
+ return {x: d.x, value: d.value, id: d.id};
+ })
+ };
+ };
+ c3_chart_internal_fn.updateXs = function () {
+ var $$ = this;
+ if ($$.data.targets.length) {
+ $$.xs = [];
+ $$.data.targets[0].values.forEach(function (v) {
+ $$.xs[v.index] = v.x;
+ });
+ }
+ };
+ c3_chart_internal_fn.getPrevX = function (i) {
+ var x = this.xs[i - 1];
+ return typeof x !== 'undefined' ? x : null;
+ };
+ c3_chart_internal_fn.getNextX = function (i) {
+ var x = this.xs[i + 1];
+ return typeof x !== 'undefined' ? x : null;
+ };
+ c3_chart_internal_fn.getMaxDataCount = function () {
+ var $$ = this;
+ return $$.d3.max($$.data.targets, function (t) { return t.values.length; });
+ };
+ c3_chart_internal_fn.getMaxDataCountTarget = function (targets) {
+ var length = targets.length, max = 0, maxTarget;
+ if (length > 1) {
+ targets.forEach(function (t) {
+ if (t.values.length > max) {
+ maxTarget = t;
+ max = t.values.length;
+ }
+ });
+ } else {
+ maxTarget = length ? targets[0] : null;
+ }
+ return maxTarget;
+ };
+ c3_chart_internal_fn.getEdgeX = function (targets) {
+ var $$ = this;
+ return !targets.length ? [0, 0] : [
+ $$.d3.min(targets, function (t) { return t.values[0].x; }),
+ $$.d3.max(targets, function (t) { return t.values[t.values.length - 1].x; })
+ ];
+ };
+ c3_chart_internal_fn.mapToIds = function (targets) {
+ return targets.map(function (d) { return d.id; });
+ };
+ c3_chart_internal_fn.mapToTargetIds = function (ids) {
+ var $$ = this;
+ return ids ? (isString(ids) ? [ids] : ids) : $$.mapToIds($$.data.targets);
+ };
+ c3_chart_internal_fn.hasTarget = function (targets, id) {
+ var ids = this.mapToIds(targets), i;
+ for (i = 0; i < ids.length; i++) {
+ if (ids[i] === id) {
+ return true;
+ }
+ }
+ return false;
+ };
+ c3_chart_internal_fn.isTargetToShow = function (targetId) {
+ return this.hiddenTargetIds.indexOf(targetId) < 0;
+ };
+ c3_chart_internal_fn.isLegendToShow = function (targetId) {
+ return this.hiddenLegendIds.indexOf(targetId) < 0;
+ };
+ c3_chart_internal_fn.filterTargetsToShow = function (targets) {
+ var $$ = this;
+ return targets.filter(function (t) { return $$.isTargetToShow(t.id); });
+ };
+ c3_chart_internal_fn.mapTargetsToUniqueXs = function (targets) {
+ var $$ = this;
+ var xs = $$.d3.set($$.d3.merge(targets.map(function (t) { return t.values.map(function (v) { return +v.x; }); }))).values();
+ return $$.isTimeSeries() ? xs.map(function (x) { return new Date(+x); }) : xs.map(function (x) { return +x; });
+ };
+ c3_chart_internal_fn.addHiddenTargetIds = function (targetIds) {
+ this.hiddenTargetIds = this.hiddenTargetIds.concat(targetIds);
+ };
+ c3_chart_internal_fn.removeHiddenTargetIds = function (targetIds) {
+ this.hiddenTargetIds = this.hiddenTargetIds.filter(function (id) { return targetIds.indexOf(id) < 0; });
+ };
+ c3_chart_internal_fn.addHiddenLegendIds = function (targetIds) {
+ this.hiddenLegendIds = this.hiddenLegendIds.concat(targetIds);
+ };
+ c3_chart_internal_fn.removeHiddenLegendIds = function (targetIds) {
+ this.hiddenLegendIds = this.hiddenLegendIds.filter(function (id) { return targetIds.indexOf(id) < 0; });
+ };
+ c3_chart_internal_fn.getValuesAsIdKeyed = function (targets) {
+ var ys = {};
+ targets.forEach(function (t) {
+ ys[t.id] = [];
+ t.values.forEach(function (v) {
+ ys[t.id].push(v.value);
+ });
+ });
+ return ys;
+ };
+ c3_chart_internal_fn.checkValueInTargets = function (targets, checker) {
+ var ids = Object.keys(targets), i, j, values;
+ for (i = 0; i < ids.length; i++) {
+ values = targets[ids[i]].values;
+ for (j = 0; j < values.length; j++) {
+ if (checker(values[j].value)) {
+ return true;
+ }
+ }
+ }
+ return false;
+ };
+ c3_chart_internal_fn.hasNegativeValueInTargets = function (targets) {
+ return this.checkValueInTargets(targets, function (v) { return v < 0; });
+ };
+ c3_chart_internal_fn.hasPositiveValueInTargets = function (targets) {
+ return this.checkValueInTargets(targets, function (v) { return v > 0; });
+ };
+ c3_chart_internal_fn.isOrderDesc = function () {
+ var config = this.config;
+ return typeof(config.data_order) === 'string' && config.data_order.toLowerCase() === 'desc';
+ };
+ c3_chart_internal_fn.isOrderAsc = function () {
+ var config = this.config;
+ return typeof(config.data_order) === 'string' && config.data_order.toLowerCase() === 'asc';
+ };
+ c3_chart_internal_fn.orderTargets = function (targets) {
+ var $$ = this, config = $$.config, orderAsc = $$.isOrderAsc(), orderDesc = $$.isOrderDesc();
+ if (orderAsc || orderDesc) {
+ targets.sort(function (t1, t2) {
+ var reducer = function (p, c) { return p + Math.abs(c.value); };
+ var t1Sum = t1.values.reduce(reducer, 0),
+ t2Sum = t2.values.reduce(reducer, 0);
+ return orderAsc ? t2Sum - t1Sum : t1Sum - t2Sum;
+ });
+ } else if (isFunction(config.data_order)) {
+ targets.sort(config.data_order);
+ } // TODO: accept name array for order
+ return targets;
+ };
+ c3_chart_internal_fn.filterByX = function (targets, x) {
+ return this.d3.merge(targets.map(function (t) { return t.values; })).filter(function (v) { return v.x - x === 0; });
+ };
+ c3_chart_internal_fn.filterRemoveNull = function (data) {
+ return data.filter(function (d) { return isValue(d.value); });
+ };
+ c3_chart_internal_fn.filterByXDomain = function (targets, xDomain) {
+ return targets.map(function (t) {
+ return {
+ id: t.id,
+ id_org: t.id_org,
+ values: t.values.filter(function (v) {
+ return xDomain[0] <= v.x && v.x <= xDomain[1];
+ })
+ };
+ });
+ };
+ c3_chart_internal_fn.hasDataLabel = function () {
+ var config = this.config;
+ if (typeof config.data_labels === 'boolean' && config.data_labels) {
+ return true;
+ } else if (typeof config.data_labels === 'object' && notEmpty(config.data_labels)) {
+ return true;
+ }
+ return false;
+ };
+ c3_chart_internal_fn.getDataLabelLength = function (min, max, key) {
+ var $$ = this,
+ lengths = [0, 0], paddingCoef = 1.3;
+ $$.selectChart.select('svg').selectAll('.dummy')
+ .data([min, max])
+ .enter().append('text')
+ .text(function (d) { return $$.dataLabelFormat(d.id)(d); })
+ .each(function (d, i) {
+ lengths[i] = this.getBoundingClientRect()[key] * paddingCoef;
+ })
+ .remove();
+ return lengths;
+ };
+ c3_chart_internal_fn.isNoneArc = function (d) {
+ return this.hasTarget(this.data.targets, d.id);
+ },
+ c3_chart_internal_fn.isArc = function (d) {
+ return 'data' in d && this.hasTarget(this.data.targets, d.data.id);
+ };
+ c3_chart_internal_fn.findSameXOfValues = function (values, index) {
+ var i, targetX = values[index].x, sames = [];
+ for (i = index - 1; i >= 0; i--) {
+ if (targetX !== values[i].x) { break; }
+ sames.push(values[i]);
+ }
+ for (i = index; i < values.length; i++) {
+ if (targetX !== values[i].x) { break; }
+ sames.push(values[i]);
+ }
+ return sames;
+ };
+
+ c3_chart_internal_fn.findClosestFromTargets = function (targets, pos) {
+ var $$ = this, candidates;
+
+ // map to array of closest points of each target
+ candidates = targets.map(function (target) {
+ return $$.findClosest(target.values, pos);
+ });
+
+ // decide closest point and return
+ return $$.findClosest(candidates, pos);
+ };
+ c3_chart_internal_fn.findClosest = function (values, pos) {
+ var $$ = this, minDist = 100, closest;
+
+ // find mouseovering bar
+ values.filter(function (v) { return v && $$.isBarType(v.id); }).forEach(function (v) {
+ var shape = $$.main.select('.' + CLASS.bars + $$.getTargetSelectorSuffix(v.id) + ' .' + CLASS.bar + '-' + v.index).node();
+ if (!closest && $$.isWithinBar(shape)) {
+ closest = v;
+ }
+ });
+
+ // find closest point from non-bar
+ values.filter(function (v) { return v && !$$.isBarType(v.id); }).forEach(function (v) {
+ var d = $$.dist(v, pos);
+ if (d < minDist) {
+ minDist = d;
+ closest = v;
+ }
+ });
+
+ return closest;
+ };
+ c3_chart_internal_fn.dist = function (data, pos) {
+ var $$ = this, config = $$.config,
+ xIndex = config.axis_rotated ? 1 : 0,
+ yIndex = config.axis_rotated ? 0 : 1,
+ y = $$.circleY(data, data.index),
+ x = $$.x(data.x);
+ return Math.pow(x - pos[xIndex], 2) + Math.pow(y - pos[yIndex], 2);
+ };
+ c3_chart_internal_fn.convertValuesToStep = function (values) {
+ var converted = [].concat(values), i;
+
+ if (!this.isCategorized()) {
+ return values;
+ }
+
+ for (i = values.length + 1; 0 < i; i--) {
+ converted[i] = converted[i - 1];
+ }
+
+ converted[0] = {
+ x: converted[0].x - 1,
+ value: converted[0].value,
+ id: converted[0].id
+ };
+ converted[values.length + 1] = {
+ x: converted[values.length].x + 1,
+ value: converted[values.length].value,
+ id: converted[values.length].id
+ };
+
+ return converted;
+ };
+ c3_chart_internal_fn.updateDataAttributes = function (name, attrs) {
+ var $$ = this, config = $$.config, current = config['data_' + name];
+ if (typeof attrs === 'undefined') { return current; }
+ Object.keys(attrs).forEach(function (id) {
+ current[id] = attrs[id];
+ });
+ $$.redraw({withLegend: true});
+ return current;
+ };
+
+ c3_chart_internal_fn.convertUrlToData = function (url, mimeType, keys, done) {
+ var $$ = this, type = mimeType ? mimeType : 'csv';
+ $$.d3.xhr(url, function (error, data) {
+ var d;
+ if (type === 'json') {
+ d = $$.convertJsonToData(JSON.parse(data.response), keys);
+ } else if (type === 'tsv') {
+ d = $$.convertTsvToData(data.response);
+ } else {
+ d = $$.convertCsvToData(data.response);
+ }
+ done.call($$, d);
+ });
+ };
+ c3_chart_internal_fn.convertXsvToData = function (xsv, parser) {
+ var rows = parser.parseRows(xsv), d;
+ if (rows.length === 1) {
+ d = [{}];
+ rows[0].forEach(function (id) {
+ d[0][id] = null;
+ });
+ } else {
+ d = parser.parse(xsv);
+ }
+ return d;
+ };
+ c3_chart_internal_fn.convertCsvToData = function (csv) {
+ return this.convertXsvToData(csv, this.d3.csv);
+ };
+ c3_chart_internal_fn.convertTsvToData = function (tsv) {
+ return this.convertXsvToData(tsv, this.d3.tsv);
+ };
+ c3_chart_internal_fn.convertJsonToData = function (json, keys) {
+ var $$ = this,
+ new_rows = [], targetKeys, data;
+ if (keys) { // when keys specified, json would be an array that includes objects
+ targetKeys = keys.value;
+ if (keys.x) {
+ targetKeys.push(keys.x);
+ $$.config.data_x = keys.x;
+ }
+ new_rows.push(targetKeys);
+ json.forEach(function (o) {
+ var new_row = [];
+ targetKeys.forEach(function (key) {
+ // convert undefined to null because undefined data will be removed in convertDataToTargets()
+ var v = isUndefined(o[key]) ? null : o[key];
+ new_row.push(v);
+ });
+ new_rows.push(new_row);
+ });
+ data = $$.convertRowsToData(new_rows);
+ } else {
+ Object.keys(json).forEach(function (key) {
+ new_rows.push([key].concat(json[key]));
+ });
+ data = $$.convertColumnsToData(new_rows);
+ }
+ return data;
+ };
+ c3_chart_internal_fn.convertRowsToData = function (rows) {
+ var keys = rows[0], new_row = {}, new_rows = [], i, j;
+ for (i = 1; i < rows.length; i++) {
+ new_row = {};
+ for (j = 0; j < rows[i].length; j++) {
+ if (isUndefined(rows[i][j])) {
+ throw new Error("Source data is missing a component at (" + i + "," + j + ")!");
+ }
+ new_row[keys[j]] = rows[i][j];
+ }
+ new_rows.push(new_row);
+ }
+ return new_rows;
+ };
+ c3_chart_internal_fn.convertColumnsToData = function (columns) {
+ var new_rows = [], i, j, key;
+ for (i = 0; i < columns.length; i++) {
+ key = columns[i][0];
+ for (j = 1; j < columns[i].length; j++) {
+ if (isUndefined(new_rows[j - 1])) {
+ new_rows[j - 1] = {};
+ }
+ if (isUndefined(columns[i][j])) {
+ throw new Error("Source data is missing a component at (" + i + "," + j + ")!");
+ }
+ new_rows[j - 1][key] = columns[i][j];
+ }
+ }
+ return new_rows;
+ };
+ c3_chart_internal_fn.convertDataToTargets = function (data, appendXs) {
+ var $$ = this, config = $$.config,
+ ids = $$.d3.keys(data[0]).filter($$.isNotX, $$),
+ xs = $$.d3.keys(data[0]).filter($$.isX, $$),
+ targets;
+
+ // save x for update data by load when custom x and c3.x API
+ ids.forEach(function (id) {
+ var xKey = $$.getXKey(id);
+
+ if ($$.isCustomX() || $$.isTimeSeries()) {
+ // if included in input data
+ if (xs.indexOf(xKey) >= 0) {
+ $$.data.xs[id] = (appendXs && $$.data.xs[id] ? $$.data.xs[id] : []).concat(
+ data.map(function (d) { return d[xKey]; })
+ .filter(isValue)
+ .map(function (rawX, i) { return $$.generateTargetX(rawX, id, i); })
+ );
+ }
+ // if not included in input data, find from preloaded data of other id's x
+ else if (config.data_x) {
+ $$.data.xs[id] = $$.getOtherTargetXs();
+ }
+ // if not included in input data, find from preloaded data
+ else if (notEmpty(config.data_xs)) {
+ $$.data.xs[id] = $$.getXValuesOfXKey(xKey, $$.data.targets);
+ }
+ // MEMO: if no x included, use same x of current will be used
+ } else {
+ $$.data.xs[id] = data.map(function (d, i) { return i; });
+ }
+ });
+
+
+ // check x is defined
+ ids.forEach(function (id) {
+ if (!$$.data.xs[id]) {
+ throw new Error('x is not defined for id = "' + id + '".');
+ }
+ });
+
+ // convert to target
+ targets = ids.map(function (id, index) {
+ var convertedId = config.data_idConverter(id);
+ return {
+ id: convertedId,
+ id_org: id,
+ values: data.map(function (d, i) {
+ var xKey = $$.getXKey(id), rawX = d[xKey], x = $$.generateTargetX(rawX, id, i);
+ // use x as categories if custom x and categorized
+ if ($$.isCustomX() && $$.isCategorized() && index === 0 && rawX) {
+ if (i === 0) { config.axis_x_categories = []; }
+ config.axis_x_categories.push(rawX);
+ }
+ // mark as x = undefined if value is undefined and filter to remove after mapped
+ if (isUndefined(d[id]) || $$.data.xs[id].length <= i) {
+ x = undefined;
+ }
+ return {x: x, value: d[id] !== null && !isNaN(d[id]) ? +d[id] : null, id: convertedId};
+ }).filter(function (v) { return isDefined(v.x); })
+ };
+ });
+
+ // finish targets
+ targets.forEach(function (t) {
+ var i;
+ // sort values by its x
+ if (config.data_xSort) {
+ t.values = t.values.sort(function (v1, v2) {
+ var x1 = v1.x || v1.x === 0 ? v1.x : Infinity,
+ x2 = v2.x || v2.x === 0 ? v2.x : Infinity;
+ return x1 - x2;
+ });
+ }
+ // indexing each value
+ i = 0;
+ t.values.forEach(function (v) {
+ v.index = i++;
+ });
+ // this needs to be sorted because its index and value.index is identical
+ $$.data.xs[t.id].sort(function (v1, v2) {
+ return v1 - v2;
+ });
+ });
+
+ // set target types
+ if (config.data_type) {
+ $$.setTargetType($$.mapToIds(targets).filter(function (id) { return ! (id in config.data_types); }), config.data_type);
+ }
+
+ // cache as original id keyed
+ targets.forEach(function (d) {
+ $$.addCache(d.id_org, d);
+ });
+
+ return targets;
+ };
+
+ c3_chart_internal_fn.load = function (targets, args) {
+ var $$ = this;
+ if (targets) {
+ // filter loading targets if needed
+ if (args.filter) {
+ targets = targets.filter(args.filter);
+ }
+ // set type if args.types || args.type specified
+ if (args.type || args.types) {
+ targets.forEach(function (t) {
+ $$.setTargetType(t.id, args.types ? args.types[t.id] : args.type);
+ });
+ }
+ // Update/Add data
+ $$.data.targets.forEach(function (d) {
+ for (var i = 0; i < targets.length; i++) {
+ if (d.id === targets[i].id) {
+ d.values = targets[i].values;
+ targets.splice(i, 1);
+ break;
+ }
+ }
+ });
+ $$.data.targets = $$.data.targets.concat(targets); // add remained
+ }
+
+ // Set targets
+ $$.updateTargets($$.data.targets);
+
+ // Redraw with new targets
+ $$.redraw({withUpdateOrgXDomain: true, withUpdateXDomain: true, withLegend: true});
+
+ if (args.done) { args.done(); }
+ };
+ c3_chart_internal_fn.loadFromArgs = function (args) {
+ var $$ = this;
+ if (args.data) {
+ $$.load($$.convertDataToTargets(args.data), args);
+ }
+ else if (args.url) {
+ $$.convertUrlToData(args.url, args.mimeType, args.keys, function (data) {
+ $$.load($$.convertDataToTargets(data), args);
+ });
+ }
+ else if (args.json) {
+ $$.load($$.convertDataToTargets($$.convertJsonToData(args.json, args.keys)), args);
+ }
+ else if (args.rows) {
+ $$.load($$.convertDataToTargets($$.convertRowsToData(args.rows)), args);
+ }
+ else if (args.columns) {
+ $$.load($$.convertDataToTargets($$.convertColumnsToData(args.columns)), args);
+ }
+ else {
+ $$.load(null, args);
+ }
+ };
+ c3_chart_internal_fn.unload = function (targetIds, done) {
+ var $$ = this;
+ if (!done) {
+ done = function () {};
+ }
+ // filter existing target
+ targetIds = targetIds.filter(function (id) { return $$.hasTarget($$.data.targets, id); });
+ // If no target, call done and return
+ if (!targetIds || targetIds.length === 0) {
+ done();
+ return;
+ }
+ $$.svg.selectAll(targetIds.map(function (id) { return $$.selectorTarget(id); }))
+ .transition()
+ .style('opacity', 0)
+ .remove()
+ .call($$.endall, done);
+ targetIds.forEach(function (id) {
+ // Reset fadein for future load
+ $$.withoutFadeIn[id] = false;
+ // Remove target's elements
+ if ($$.legend) {
+ $$.legend.selectAll('.' + CLASS.legendItem + $$.getTargetSelectorSuffix(id)).remove();
+ }
+ // Remove target
+ $$.data.targets = $$.data.targets.filter(function (t) {
+ return t.id !== id;
+ });
+ });
+ };
+
+ c3_chart_internal_fn.categoryName = function (i) {
+ var config = this.config;
+ return i < config.axis_x_categories.length ? config.axis_x_categories[i] : i;
+ };
+
+ c3_chart_internal_fn.initEventRect = function () {
+ var $$ = this;
+ $$.main.select('.' + CLASS.chart).append("g")
+ .attr("class", CLASS.eventRects)
+ .style('fill-opacity', 0);
+ };
+ c3_chart_internal_fn.redrawEventRect = function () {
+ var $$ = this, config = $$.config,
+ eventRectUpdate, maxDataCountTarget,
+ isMultipleX = $$.isMultipleX();
+
+ // rects for mouseover
+ var eventRects = $$.main.select('.' + CLASS.eventRects)
+ .style('cursor', config.zoom_enabled ? config.axis_rotated ? 'ns-resize' : 'ew-resize' : null)
+ .classed(CLASS.eventRectsMultiple, isMultipleX)
+ .classed(CLASS.eventRectsSingle, !isMultipleX);
+
+ // clear old rects
+ eventRects.selectAll('.' + CLASS.eventRect).remove();
+
+ // open as public variable
+ $$.eventRect = eventRects.selectAll('.' + CLASS.eventRect);
+
+ if (isMultipleX) {
+ eventRectUpdate = $$.eventRect.data([0]);
+ // enter : only one rect will be added
+ $$.generateEventRectsForMultipleXs(eventRectUpdate.enter());
+ // update
+ $$.updateEventRect(eventRectUpdate);
+ // exit : not needed because always only one rect exists
+ }
+ else {
+ // Set data and update $$.eventRect
+ maxDataCountTarget = $$.getMaxDataCountTarget($$.data.targets);
+ eventRects.datum(maxDataCountTarget ? maxDataCountTarget.values : []);
+ $$.eventRect = eventRects.selectAll('.' + CLASS.eventRect);
+ eventRectUpdate = $$.eventRect.data(function (d) { return d; });
+ // enter
+ $$.generateEventRectsForSingleX(eventRectUpdate.enter());
+ // update
+ $$.updateEventRect(eventRectUpdate);
+ // exit
+ eventRectUpdate.exit().remove();
+ }
+ };
+ c3_chart_internal_fn.updateEventRect = function (eventRectUpdate) {
+ var $$ = this, config = $$.config,
+ x, y, w, h, rectW, rectX;
+
+ // set update selection if null
+ eventRectUpdate = eventRectUpdate || $$.eventRect.data(function (d) { return d; });
+
+ if ($$.isMultipleX()) {
+ // TODO: rotated not supported yet
+ x = 0;
+ y = 0;
+ w = $$.width;
+ h = $$.height;
+ }
+ else {
+ if (($$.isCustomX() || $$.isTimeSeries()) && !$$.isCategorized()) {
+
+ // update index for x that is used by prevX and nextX
+ $$.updateXs();
+
+ rectW = function (d) {
+ var prevX = $$.getPrevX(d.index), nextX = $$.getNextX(d.index);
+
+ // if there this is a single data point make the eventRect full width (or height)
+ if (prevX === null && nextX === null) {
+ return config.axis_rotated ? $$.height : $$.width;
+ }
+
+ if (prevX === null) { prevX = $$.x.domain()[0]; }
+ if (nextX === null) { nextX = $$.x.domain()[1]; }
+
+ return Math.max(0, ($$.x(nextX) - $$.x(prevX)) / 2);
+ };
+ rectX = function (d) {
+ var prevX = $$.getPrevX(d.index), nextX = $$.getNextX(d.index),
+ thisX = $$.data.xs[d.id][d.index];
+
+ // if there this is a single data point position the eventRect at 0
+ if (prevX === null && nextX === null) {
+ return 0;
+ }
+
+ if (prevX === null) { prevX = $$.x.domain()[0]; }
+
+ return ($$.x(thisX) + $$.x(prevX)) / 2;
+ };
+ } else {
+ rectW = $$.getEventRectWidth();
+ rectX = function (d) {
+ return $$.x(d.x) - (rectW / 2);
+ };
+ }
+ x = config.axis_rotated ? 0 : rectX;
+ y = config.axis_rotated ? rectX : 0;
+ w = config.axis_rotated ? $$.width : rectW;
+ h = config.axis_rotated ? rectW : $$.height;
+ }
+
+ eventRectUpdate
+ .attr('class', $$.classEvent.bind($$))
+ .attr("x", x)
+ .attr("y", y)
+ .attr("width", w)
+ .attr("height", h);
+ };
+ c3_chart_internal_fn.generateEventRectsForSingleX = function (eventRectEnter) {
+ var $$ = this, d3 = $$.d3, config = $$.config;
+ eventRectEnter.append("rect")
+ .attr("class", $$.classEvent.bind($$))
+ .style("cursor", config.data_selection_enabled && config.data_selection_grouped ? "pointer" : null)
+ .on('mouseover', function (d) {
+ var index = d.index, selectedData, newData;
+
+ if ($$.dragging || $$.flowing) { return; } // do nothing while dragging/flowing
+ if ($$.hasArcType()) { return; }
+
+ selectedData = $$.data.targets.map(function (t) {
+ return $$.addName($$.getValueOnIndex(t.values, index));
+ });
+
+ // Sort selectedData as names order
+ newData = [];
+ Object.keys(config.data_names).forEach(function (id) {
+ for (var j = 0; j < selectedData.length; j++) {
+ if (selectedData[j] && selectedData[j].id === id) {
+ newData.push(selectedData[j]);
+ selectedData.shift(j);
+ break;
+ }
+ }
+ });
+ selectedData = newData.concat(selectedData); // Add remained
+
+ // Expand shapes for selection
+ if (config.point_focus_expand_enabled) { $$.expandCircles(index, null, true); }
+ $$.expandBars(index, null, true);
+
+ // Call event handler
+ $$.main.selectAll('.' + CLASS.shape + '-' + index).each(function (d) {
+ config.data_onmouseover.call($$.api, d);
+ });
+ })
+ .on('mouseout', function (d) {
+ var index = d.index;
+ if ($$.hasArcType()) { return; }
+ $$.hideXGridFocus();
+ $$.hideTooltip();
+ // Undo expanded shapes
+ $$.unexpandCircles();
+ $$.unexpandBars();
+ // Call event handler
+ $$.main.selectAll('.' + CLASS.shape + '-' + index).each(function (d) {
+ config.data_onmouseout.call($$.api, d);
+ });
+ })
+ .on('mousemove', function (d) {
+ var selectedData, index = d.index,
+ eventRect = $$.svg.select('.' + CLASS.eventRect + '-' + index);
+
+ if ($$.dragging || $$.flowing) { return; } // do nothing while dragging/flowing
+ if ($$.hasArcType()) { return; }
+
+ if ($$.isStepType(d) && $$.config.line_step_type === 'step-after' && d3.mouse(this)[0] < $$.x($$.getXValue(d.id, index))) {
+ index -= 1;
+ }
+
+ // Show tooltip
+ selectedData = $$.filterTargetsToShow($$.data.targets).map(function (t) {
+ return $$.addName($$.getValueOnIndex(t.values, index));
+ });
+
+ if (config.tooltip_grouped) {
+ $$.showTooltip(selectedData, this);
+ $$.showXGridFocus(selectedData);
+ }
+
+ if (config.tooltip_grouped && (!config.data_selection_enabled || config.data_selection_grouped)) {
+ return;
+ }
+
+ $$.main.selectAll('.' + CLASS.shape + '-' + index)
+ .each(function () {
+ d3.select(this).classed(CLASS.EXPANDED, true);
+ if (config.data_selection_enabled) {
+ eventRect.style('cursor', config.data_selection_grouped ? 'pointer' : null);
+ }
+ if (!config.tooltip_grouped) {
+ $$.hideXGridFocus();
+ $$.hideTooltip();
+ if (!config.data_selection_grouped) {
+ $$.unexpandCircles(index);
+ $$.unexpandBars(index);
+ }
+ }
+ })
+ .filter(function (d) {
+ return $$.isWithinShape(this, d);
+ })
+ .each(function (d) {
+ if (config.data_selection_enabled && (config.data_selection_grouped || config.data_selection_isselectable(d))) {
+ eventRect.style('cursor', 'pointer');
+ }
+ if (!config.tooltip_grouped) {
+ $$.showTooltip([d], this);
+ $$.showXGridFocus([d]);
+ if (config.point_focus_expand_enabled) { $$.expandCircles(index, d.id, true); }
+ $$.expandBars(index, d.id, true);
+ }
+ });
+ })
+ .on('click', function (d) {
+ var index = d.index;
+ if ($$.hasArcType() || !$$.toggleShape) { return; }
+ if ($$.cancelClick) {
+ $$.cancelClick = false;
+ return;
+ }
+ if ($$.isStepType(d) && config.line_step_type === 'step-after' && d3.mouse(this)[0] < $$.x($$.getXValue(d.id, index))) {
+ index -= 1;
+ }
+ $$.main.selectAll('.' + CLASS.shape + '-' + index).each(function (d) {
+ if (config.data_selection_grouped || $$.isWithinShape(this, d)) {
+ $$.toggleShape(this, d, index);
+ $$.config.data_onclick.call($$.api, d, this);
+ }
+ });
+ })
+ .call(
+ config.data_selection_draggable && $$.drag ? (
+ d3.behavior.drag().origin(Object)
+ .on('drag', function () { $$.drag(d3.mouse(this)); })
+ .on('dragstart', function () { $$.dragstart(d3.mouse(this)); })
+ .on('dragend', function () { $$.dragend(); })
+ ) : function () {}
+ );
+ };
+
+ c3_chart_internal_fn.generateEventRectsForMultipleXs = function (eventRectEnter) {
+ var $$ = this, d3 = $$.d3, config = $$.config;
+
+ function mouseout() {
+ $$.svg.select('.' + CLASS.eventRect).style('cursor', null);
+ $$.hideXGridFocus();
+ $$.hideTooltip();
+ $$.unexpandCircles();
+ $$.unexpandBars();
+ }
+
+ eventRectEnter.append('rect')
+ .attr('x', 0)
+ .attr('y', 0)
+ .attr('width', $$.width)
+ .attr('height', $$.height)
+ .attr('class', CLASS.eventRect)
+ .on('mouseout', function () {
+ if ($$.hasArcType()) { return; }
+ mouseout();
+ })
+ .on('mousemove', function () {
+ var targetsToShow = $$.filterTargetsToShow($$.data.targets);
+ var mouse, closest, sameXData, selectedData;
+
+ if ($$.dragging) { return; } // do nothing when dragging
+ if ($$.hasArcType(targetsToShow)) { return; }
+
+ mouse = d3.mouse(this);
+ closest = $$.findClosestFromTargets(targetsToShow, mouse);
+
+ if ($$.mouseover && (!closest || closest.id !== $$.mouseover.id)) {
+ config.data_onmouseout.call($$.api, $$.mouseover);
+ $$.mouseover = undefined;
+ }
+
+ if (! closest) {
+ mouseout();
+ return;
+ }
+
+ if ($$.isScatterType(closest) || !config.tooltip_grouped) {
+ sameXData = [closest];
+ } else {
+ sameXData = $$.filterByX(targetsToShow, closest.x);
+ }
+
+ // show tooltip when cursor is close to some point
+ selectedData = sameXData.map(function (d) {
+ return $$.addName(d);
+ });
+ $$.showTooltip(selectedData, this);
+
+ // expand points
+ if (config.point_focus_expand_enabled) {
+ $$.expandCircles(closest.index, closest.id, true);
+ }
+ $$.expandBars(closest.index, closest.id, true);
+
+ // Show xgrid focus line
+ $$.showXGridFocus(selectedData);
+
+ // Show cursor as pointer if point is close to mouse position
+ if ($$.isBarType(closest.id) || $$.dist(closest, mouse) < 100) {
+ $$.svg.select('.' + CLASS.eventRect).style('cursor', 'pointer');
+ if (!$$.mouseover) {
+ config.data_onmouseover.call($$.api, closest);
+ $$.mouseover = closest;
+ }
+ }
+ })
+ .on('click', function () {
+ var targetsToShow = $$.filterTargetsToShow($$.data.targets);
+ var mouse, closest;
+
+ if ($$.hasArcType(targetsToShow)) { return; }
+
+ mouse = d3.mouse(this);
+ closest = $$.findClosestFromTargets(targetsToShow, mouse);
+
+ if (! closest) { return; }
+
+ // select if selection enabled
+ if ($$.isBarType(closest.id) || $$.dist(closest, mouse) < 100) {
+ $$.main.selectAll('.' + CLASS.shapes + $$.getTargetSelectorSuffix(closest.id)).select('.' + CLASS.shape + '-' + closest.index).each(function () {
+ if (config.data_selection_grouped || $$.isWithinShape(this, closest)) {
+ $$.toggleShape(this, closest, closest.index);
+ $$.config.data_onclick.call($$.api, closest, this);
+ }
+ });
+ }
+ })
+ .call(
+ d3.behavior.drag().origin(Object)
+ .on('drag', function () { $$.drag(d3.mouse(this)); })
+ .on('dragstart', function () { $$.dragstart(d3.mouse(this)); })
+ .on('dragend', function () { $$.dragend(); })
+ );
+ };
+ c3_chart_internal_fn.dispatchEvent = function (type, index, mouse) {
+ var $$ = this,
+ selector = '.' + CLASS.eventRect + (!$$.isMultipleX() ? '-' + index : ''),
+ eventRect = $$.main.select(selector).node(),
+ box = eventRect.getBoundingClientRect(),
+ x = box.left + (mouse ? mouse[0] : 0),
+ y = box.top + (mouse ? mouse[1] : 0),
+ event = document.createEvent("MouseEvents");
+
+ event.initMouseEvent(type, true, true, window, 0, x, y, x, y,
+ false, false, false, false, 0, null);
+ eventRect.dispatchEvent(event);
+ };
+
+ c3_chart_internal_fn.getCurrentWidth = function () {
+ var $$ = this, config = $$.config;
+ return config.size_width ? config.size_width : $$.getParentWidth();
+ };
+ c3_chart_internal_fn.getCurrentHeight = function () {
+ var $$ = this, config = $$.config,
+ h = config.size_height ? config.size_height : $$.getParentHeight();
+ return h > 0 ? h : 320 / ($$.hasType('gauge') ? 2 : 1);
+ };
+ c3_chart_internal_fn.getCurrentPaddingTop = function () {
+ var config = this.config;
+ return isValue(config.padding_top) ? config.padding_top : 0;
+ };
+ c3_chart_internal_fn.getCurrentPaddingBottom = function () {
+ var config = this.config;
+ return isValue(config.padding_bottom) ? config.padding_bottom : 0;
+ };
+ c3_chart_internal_fn.getCurrentPaddingLeft = function (withoutRecompute) {
+ var $$ = this, config = $$.config;
+ if (isValue(config.padding_left)) {
+ return config.padding_left;
+ } else if (config.axis_rotated) {
+ return !config.axis_x_show ? 1 : Math.max(ceil10($$.getAxisWidthByAxisId('x', withoutRecompute)), 40);
+ } else if (!config.axis_y_show || config.axis_y_inner) { // && !config.axis_rotated
+ return $$.getYAxisLabelPosition().isOuter ? 30 : 1;
+ } else {
+ return ceil10($$.getAxisWidthByAxisId('y', withoutRecompute));
+ }
+ };
+ c3_chart_internal_fn.getCurrentPaddingRight = function () {
+ var $$ = this, config = $$.config,
+ defaultPadding = 10, legendWidthOnRight = $$.isLegendRight ? $$.getLegendWidth() + 20 : 0;
+ if (isValue(config.padding_right)) {
+ return config.padding_right + 1; // 1 is needed not to hide tick line
+ } else if (config.axis_rotated) {
+ return defaultPadding + legendWidthOnRight;
+ } else if (!config.axis_y2_show || config.axis_y2_inner) { // && !config.axis_rotated
+ return 2 + legendWidthOnRight + ($$.getY2AxisLabelPosition().isOuter ? 20 : 0);
+ } else {
+ return ceil10($$.getAxisWidthByAxisId('y2')) + legendWidthOnRight;
+ }
+ };
+
+ c3_chart_internal_fn.getParentRectValue = function (key) {
+ var parent = this.selectChart.node(), v;
+ while (parent && parent.tagName !== 'BODY') {
+ v = parent.getBoundingClientRect()[key];
+ if (v) {
+ break;
+ }
+ parent = parent.parentNode;
+ }
+ return v;
+ };
+ c3_chart_internal_fn.getParentWidth = function () {
+ return this.getParentRectValue('width');
+ };
+ c3_chart_internal_fn.getParentHeight = function () {
+ var h = this.selectChart.style('height');
+ return h.indexOf('px') > 0 ? +h.replace('px', '') : 0;
+ };
+
+
+ c3_chart_internal_fn.getSvgLeft = function (withoutRecompute) {
+ var $$ = this, config = $$.config,
+ hasLeftAxisRect = config.axis_rotated || (!config.axis_rotated && !config.axis_y_inner),
+ leftAxisClass = config.axis_rotated ? CLASS.axisX : CLASS.axisY,
+ leftAxis = $$.main.select('.' + leftAxisClass).node(),
+ svgRect = leftAxis && hasLeftAxisRect ? leftAxis.getBoundingClientRect() : {right: 0},
+ chartRect = $$.selectChart.node().getBoundingClientRect(),
+ hasArc = $$.hasArcType(),
+ svgLeft = svgRect.right - chartRect.left - (hasArc ? 0 : $$.getCurrentPaddingLeft(withoutRecompute));
+ return svgLeft > 0 ? svgLeft : 0;
+ };
+
+
+ c3_chart_internal_fn.getAxisWidthByAxisId = function (id, withoutRecompute) {
+ var $$ = this, position = $$.getAxisLabelPositionById(id);
+ return $$.getMaxTickWidth(id, withoutRecompute) + (position.isInner ? 20 : 40);
+ };
+ c3_chart_internal_fn.getHorizontalAxisHeight = function (axisId) {
+ var $$ = this, config = $$.config, h = 30;
+ if (axisId === 'x' && !config.axis_x_show) { return 8; }
+ if (axisId === 'x' && config.axis_x_height) { return config.axis_x_height; }
+ if (axisId === 'y' && !config.axis_y_show) { return config.legend_show && !$$.isLegendRight && !$$.isLegendInset ? 10 : 1; }
+ if (axisId === 'y2' && !config.axis_y2_show) { return $$.rotated_padding_top; }
+ // Calculate x axis height when tick rotated
+ if (axisId === 'x' && !config.axis_rotated && config.axis_x_tick_rotate) {
+ h = $$.getMaxTickWidth(axisId) * Math.cos(Math.PI * (90 - config.axis_x_tick_rotate) / 180);
+ }
+ return h + ($$.getAxisLabelPositionById(axisId).isInner ? 0 : 10) + (axisId === 'y2' ? -10 : 0);
+ };
+
+ c3_chart_internal_fn.getEventRectWidth = function () {
+ var $$ = this;
+ var target = $$.getMaxDataCountTarget($$.data.targets),
+ firstData, lastData, base, maxDataCount, ratio, w;
+ if (!target) {
+ return 0;
+ }
+ firstData = target.values[0], lastData = target.values[target.values.length - 1];
+ base = $$.x(lastData.x) - $$.x(firstData.x);
+ if (base === 0) {
+ return $$.config.axis_rotated ? $$.height : $$.width;
+ }
+ maxDataCount = $$.getMaxDataCount();
+ ratio = ($$.hasType('bar') ? (maxDataCount - ($$.isCategorized() ? 0.25 : 1)) / maxDataCount : 1);
+ w = maxDataCount > 1 ? (base * ratio) / (maxDataCount - 1) : base;
+ return w < 1 ? 1 : w;
+ };
+
+ c3_chart_internal_fn.getShapeIndices = function (typeFilter) {
+ var $$ = this, config = $$.config,
+ indices = {}, i = 0, j, k;
+ $$.filterTargetsToShow($$.data.targets.filter(typeFilter, $$)).forEach(function (d) {
+ for (j = 0; j < config.data_groups.length; j++) {
+ if (config.data_groups[j].indexOf(d.id) < 0) { continue; }
+ for (k = 0; k < config.data_groups[j].length; k++) {
+ if (config.data_groups[j][k] in indices) {
+ indices[d.id] = indices[config.data_groups[j][k]];
+ break;
+ }
+ }
+ }
+ if (isUndefined(indices[d.id])) { indices[d.id] = i++; }
+ });
+ indices.__max__ = i - 1;
+ return indices;
+ };
+ c3_chart_internal_fn.getShapeX = function (offset, targetsNum, indices, isSub) {
+ var $$ = this, scale = isSub ? $$.subX : $$.x;
+ return function (d) {
+ var index = d.id in indices ? indices[d.id] : 0;
+ return d.x || d.x === 0 ? scale(d.x) - offset * (targetsNum / 2 - index) : 0;
+ };
+ };
+ c3_chart_internal_fn.getShapeY = function (isSub) {
+ var $$ = this;
+ return function (d) {
+ var scale = isSub ? $$.getSubYScale(d.id) : $$.getYScale(d.id);
+ return scale(d.value);
+ };
+ };
+ c3_chart_internal_fn.getShapeOffset = function (typeFilter, indices, isSub) {
+ var $$ = this,
+ targets = $$.orderTargets($$.filterTargetsToShow($$.data.targets.filter(typeFilter, $$))),
+ targetIds = targets.map(function (t) { return t.id; });
+ return function (d, i) {
+ var scale = isSub ? $$.getSubYScale(d.id) : $$.getYScale(d.id),
+ y0 = scale(0), offset = y0;
+ targets.forEach(function (t) {
+ var values = $$.isStepType(d) ? $$.convertValuesToStep(t.values) : t.values;
+ if (t.id === d.id || indices[t.id] !== indices[d.id]) { return; }
+ if (targetIds.indexOf(t.id) < targetIds.indexOf(d.id)) {
+ if (values[i].value * d.value >= 0) {
+ offset += scale(values[i].value) - y0;
+ }
+ }
+ });
+ return offset;
+ };
+ };
+ c3_chart_internal_fn.isWithinShape = function (that, d) {
+ var $$ = this,
+ shape = $$.d3.select(that), isWithin;
+ if (!$$.isTargetToShow(d.id)) {
+ isWithin = false;
+ }
+ else if (that.nodeName === 'circle') {
+ isWithin = $$.isStepType(d) ? $$.isWithinStep(that, $$.getYScale(d.id)(d.value)) : $$.isWithinCircle(that, $$.pointSelectR(d) * 1.5);
+ }
+ else if (that.nodeName === 'path') {
+ isWithin = shape.classed(CLASS.bar) ? $$.isWithinBar(that) : true;
+ }
+ return isWithin;
+ };
+
+
+ c3_chart_internal_fn.getInterpolate = function (d) {
+ var $$ = this;
+ return $$.isSplineType(d) ? "cardinal" : $$.isStepType(d) ? $$.config.line_step_type : "linear";
+ };
+
+ c3_chart_internal_fn.initLine = function () {
+ var $$ = this;
+ $$.main.select('.' + CLASS.chart).append("g")
+ .attr("class", CLASS.chartLines);
+ };
+ c3_chart_internal_fn.updateTargetsForLine = function (targets) {
+ var $$ = this, config = $$.config,
+ mainLineUpdate, mainLineEnter,
+ classChartLine = $$.classChartLine.bind($$),
+ classLines = $$.classLines.bind($$),
+ classAreas = $$.classAreas.bind($$),
+ classCircles = $$.classCircles.bind($$),
+ classFocus = $$.classFocus.bind($$);
+ mainLineUpdate = $$.main.select('.' + CLASS.chartLines).selectAll('.' + CLASS.chartLine)
+ .data(targets)
+ .attr('class', function (d) { return classChartLine(d) + classFocus(d); });
+ mainLineEnter = mainLineUpdate.enter().append('g')
+ .attr('class', classChartLine)
+ .style('opacity', 0)
+ .style("pointer-events", "none");
+ // Lines for each data
+ mainLineEnter.append('g')
+ .attr("class", classLines);
+ // Areas
+ mainLineEnter.append('g')
+ .attr('class', classAreas);
+ // Circles for each data point on lines
+ mainLineEnter.append('g')
+ .attr("class", function (d) { return $$.generateClass(CLASS.selectedCircles, d.id); });
+ mainLineEnter.append('g')
+ .attr("class", classCircles)
+ .style("cursor", function (d) { return config.data_selection_isselectable(d) ? "pointer" : null; });
+ // Update date for selected circles
+ targets.forEach(function (t) {
+ $$.main.selectAll('.' + CLASS.selectedCircles + $$.getTargetSelectorSuffix(t.id)).selectAll('.' + CLASS.selectedCircle).each(function (d) {
+ d.value = t.values[d.index].value;
+ });
+ });
+ // MEMO: can not keep same color...
+ //mainLineUpdate.exit().remove();
+ };
+ c3_chart_internal_fn.updateLine = function (durationForExit) {
+ var $$ = this;
+ $$.mainLine = $$.main.selectAll('.' + CLASS.lines).selectAll('.' + CLASS.line)
+ .data($$.lineData.bind($$));
+ $$.mainLine.enter().append('path')
+ .attr('class', $$.classLine.bind($$))
+ .style("stroke", $$.color);
+ $$.mainLine
+ .style("opacity", $$.initialOpacity.bind($$))
+ .style('shape-rendering', function (d) { return $$.isStepType(d) ? 'crispEdges' : ''; })
+ .attr('transform', null);
+ $$.mainLine.exit().transition().duration(durationForExit)
+ .style('opacity', 0)
+ .remove();
+ };
+ c3_chart_internal_fn.redrawLine = function (drawLine, withTransition) {
+ return [
+ (withTransition ? this.mainLine.transition() : this.mainLine)
+ .attr("d", drawLine)
+ .style("stroke", this.color)
+ .style("opacity", 1)
+ ];
+ };
+ c3_chart_internal_fn.generateDrawLine = function (lineIndices, isSub) {
+ var $$ = this, config = $$.config,
+ line = $$.d3.svg.line(),
+ getPoints = $$.generateGetLinePoints(lineIndices, isSub),
+ yScaleGetter = isSub ? $$.getSubYScale : $$.getYScale,
+ xValue = function (d) { return (isSub ? $$.subxx : $$.xx).call($$, d); },
+ yValue = function (d, i) {
+ return config.data_groups.length > 0 ? getPoints(d, i)[0][1] : yScaleGetter.call($$, d.id)(d.value);
+ };
+
+ line = config.axis_rotated ? line.x(yValue).y(xValue) : line.x(xValue).y(yValue);
+ if (!config.line_connectNull) { line = line.defined(function (d) { return d.value != null; }); }
+ return function (d) {
+ var values = config.line_connectNull ? $$.filterRemoveNull(d.values) : d.values,
+ x = isSub ? $$.x : $$.subX, y = yScaleGetter.call($$, d.id), x0 = 0, y0 = 0, path;
+ if ($$.isLineType(d)) {
+ if (config.data_regions[d.id]) {
+ path = $$.lineWithRegions(values, x, y, config.data_regions[d.id]);
+ } else {
+ if ($$.isStepType(d)) { values = $$.convertValuesToStep(values); }
+ path = line.interpolate($$.getInterpolate(d))(values);
+ }
+ } else {
+ if (values[0]) {
+ x0 = x(values[0].x);
+ y0 = y(values[0].value);
+ }
+ path = config.axis_rotated ? "M " + y0 + " " + x0 : "M " + x0 + " " + y0;
+ }
+ return path ? path : "M 0 0";
+ };
+ };
+ c3_chart_internal_fn.generateGetLinePoints = function (lineIndices, isSub) { // partial duplication of generateGetBarPoints
+ var $$ = this, config = $$.config,
+ lineTargetsNum = lineIndices.__max__ + 1,
+ x = $$.getShapeX(0, lineTargetsNum, lineIndices, !!isSub),
+ y = $$.getShapeY(!!isSub),
+ lineOffset = $$.getShapeOffset($$.isLineType, lineIndices, !!isSub),
+ yScale = isSub ? $$.getSubYScale : $$.getYScale;
+ return function (d, i) {
+ var y0 = yScale.call($$, d.id)(0),
+ offset = lineOffset(d, i) || y0, // offset is for stacked area chart
+ posX = x(d), posY = y(d);
+ // fix posY not to overflow opposite quadrant
+ if (config.axis_rotated) {
+ if ((0 < d.value && posY < y0) || (d.value < 0 && y0 < posY)) { posY = y0; }
+ }
+ // 1 point that marks the line position
+ return [
+ [posX, posY - (y0 - offset)],
+ [posX, posY - (y0 - offset)], // needed for compatibility
+ [posX, posY - (y0 - offset)], // needed for compatibility
+ [posX, posY - (y0 - offset)] // needed for compatibility
+ ];
+ };
+ };
+
+
+ c3_chart_internal_fn.lineWithRegions = function (d, x, y, _regions) {
+ var $$ = this, config = $$.config,
+ prev = -1, i, j,
+ s = "M", sWithRegion,
+ xp, yp, dx, dy, dd, diff, diffx2,
+ xValue, yValue,
+ regions = [];
+
+ function isWithinRegions(x, regions) {
+ var i;
+ for (i = 0; i < regions.length; i++) {
+ if (regions[i].start < x && x <= regions[i].end) { return true; }
+ }
+ return false;
+ }
+
+ // Check start/end of regions
+ if (isDefined(_regions)) {
+ for (i = 0; i < _regions.length; i++) {
+ regions[i] = {};
+ if (isUndefined(_regions[i].start)) {
+ regions[i].start = d[0].x;
+ } else {
+ regions[i].start = $$.isTimeSeries() ? $$.parseDate(_regions[i].start) : _regions[i].start;
+ }
+ if (isUndefined(_regions[i].end)) {
+ regions[i].end = d[d.length - 1].x;
+ } else {
+ regions[i].end = $$.isTimeSeries() ? $$.parseDate(_regions[i].end) : _regions[i].end;
+ }
+ }
+ }
+
+ // Set scales
+ xValue = config.axis_rotated ? function (d) { return y(d.value); } : function (d) { return x(d.x); };
+ yValue = config.axis_rotated ? function (d) { return x(d.x); } : function (d) { return y(d.value); };
+
+ // Define svg generator function for region
+ if ($$.isTimeSeries()) {
+ sWithRegion = function (d0, d1, j, diff) {
+ var x0 = d0.x.getTime(), x_diff = d1.x - d0.x,
+ xv0 = new Date(x0 + x_diff * j),
+ xv1 = new Date(x0 + x_diff * (j + diff));
+ return "M" + x(xv0) + " " + y(yp(j)) + " " + x(xv1) + " " + y(yp(j + diff));
+ };
+ } else {
+ sWithRegion = function (d0, d1, j, diff) {
+ return "M" + x(xp(j), true) + " " + y(yp(j)) + " " + x(xp(j + diff), true) + " " + y(yp(j + diff));
+ };
+ }
+
+ // Generate
+ for (i = 0; i < d.length; i++) {
+
+ // Draw as normal
+ if (isUndefined(regions) || ! isWithinRegions(d[i].x, regions)) {
+ s += " " + xValue(d[i]) + " " + yValue(d[i]);
+ }
+ // Draw with region // TODO: Fix for horizotal charts
+ else {
+ xp = $$.getScale(d[i - 1].x, d[i].x, $$.isTimeSeries());
+ yp = $$.getScale(d[i - 1].value, d[i].value);
+
+ dx = x(d[i].x) - x(d[i - 1].x);
+ dy = y(d[i].value) - y(d[i - 1].value);
+ dd = Math.sqrt(Math.pow(dx, 2) + Math.pow(dy, 2));
+ diff = 2 / dd;
+ diffx2 = diff * 2;
+
+ for (j = diff; j <= 1; j += diffx2) {
+ s += sWithRegion(d[i - 1], d[i], j, diff);
+ }
+ }
+ prev = d[i].x;
+ }
+
+ return s;
+ };
+
+
+ c3_chart_internal_fn.updateArea = function (durationForExit) {
+ var $$ = this, d3 = $$.d3;
+ $$.mainArea = $$.main.selectAll('.' + CLASS.areas).selectAll('.' + CLASS.area)
+ .data($$.lineData.bind($$));
+ $$.mainArea.enter().append('path')
+ .attr("class", $$.classArea.bind($$))
+ .style("fill", $$.color)
+ .style("opacity", function () { $$.orgAreaOpacity = +d3.select(this).style('opacity'); return 0; });
+ $$.mainArea
+ .style("opacity", $$.orgAreaOpacity);
+ $$.mainArea.exit().transition().duration(durationForExit)
+ .style('opacity', 0)
+ .remove();
+ };
+ c3_chart_internal_fn.redrawArea = function (drawArea, withTransition) {
+ return [
+ (withTransition ? this.mainArea.transition() : this.mainArea)
+ .attr("d", drawArea)
+ .style("fill", this.color)
+ .style("opacity", this.orgAreaOpacity)
+ ];
+ };
+ c3_chart_internal_fn.generateDrawArea = function (areaIndices, isSub) {
+ var $$ = this, config = $$.config, area = $$.d3.svg.area(),
+ getPoints = $$.generateGetAreaPoints(areaIndices, isSub),
+ yScaleGetter = isSub ? $$.getSubYScale : $$.getYScale,
+ xValue = function (d) { return (isSub ? $$.subxx : $$.xx).call($$, d); },
+ value0 = function (d, i) {
+ return config.data_groups.length > 0 ? getPoints(d, i)[0][1] : yScaleGetter.call($$, d.id)($$.getAreaBaseValue(d.id));
+ },
+ value1 = function (d, i) {
+ return config.data_groups.length > 0 ? getPoints(d, i)[1][1] : yScaleGetter.call($$, d.id)(d.value);
+ };
+
+ area = config.axis_rotated ? area.x0(value0).x1(value1).y(xValue) : area.x(xValue).y0(value0).y1(value1);
+ if (!config.line_connectNull) {
+ area = area.defined(function (d) { return d.value !== null; });
+ }
+
+ return function (d) {
+ var values = config.line_connectNull ? $$.filterRemoveNull(d.values) : d.values,
+ x0 = 0, y0 = 0, path;
+ if ($$.isAreaType(d)) {
+ if ($$.isStepType(d)) { values = $$.convertValuesToStep(values); }
+ path = area.interpolate($$.getInterpolate(d))(values);
+ } else {
+ if (values[0]) {
+ x0 = $$.x(values[0].x);
+ y0 = $$.getYScale(d.id)(values[0].value);
+ }
+ path = config.axis_rotated ? "M " + y0 + " " + x0 : "M " + x0 + " " + y0;
+ }
+ return path ? path : "M 0 0";
+ };
+ };
+ c3_chart_internal_fn.getAreaBaseValue = function () {
+ return 0;
+ };
+ c3_chart_internal_fn.generateGetAreaPoints = function (areaIndices, isSub) { // partial duplication of generateGetBarPoints
+ var $$ = this, config = $$.config,
+ areaTargetsNum = areaIndices.__max__ + 1,
+ x = $$.getShapeX(0, areaTargetsNum, areaIndices, !!isSub),
+ y = $$.getShapeY(!!isSub),
+ areaOffset = $$.getShapeOffset($$.isAreaType, areaIndices, !!isSub),
+ yScale = isSub ? $$.getSubYScale : $$.getYScale;
+ return function (d, i) {
+ var y0 = yScale.call($$, d.id)(0),
+ offset = areaOffset(d, i) || y0, // offset is for stacked area chart
+ posX = x(d), posY = y(d);
+ // fix posY not to overflow opposite quadrant
+ if (config.axis_rotated) {
+ if ((0 < d.value && posY < y0) || (d.value < 0 && y0 < posY)) { posY = y0; }
+ }
+ // 1 point that marks the area position
+ return [
+ [posX, offset],
+ [posX, posY - (y0 - offset)],
+ [posX, posY - (y0 - offset)], // needed for compatibility
+ [posX, offset] // needed for compatibility
+ ];
+ };
+ };
+
+
+ c3_chart_internal_fn.updateCircle = function () {
+ var $$ = this;
+ $$.mainCircle = $$.main.selectAll('.' + CLASS.circles).selectAll('.' + CLASS.circle)
+ .data($$.lineOrScatterData.bind($$));
+ $$.mainCircle.enter().append("circle")
+ .attr("class", $$.classCircle.bind($$))
+ .attr("r", $$.pointR.bind($$))
+ .style("fill", $$.color);
+ $$.mainCircle
+ .style("opacity", $$.initialOpacityForCircle.bind($$));
+ $$.mainCircle.exit().remove();
+ };
+ c3_chart_internal_fn.redrawCircle = function (cx, cy, withTransition) {
+ var selectedCircles = this.main.selectAll('.' + CLASS.selectedCircle);
+ return [
+ (withTransition ? this.mainCircle.transition() : this.mainCircle)
+ .style('opacity', this.opacityForCircle.bind(this))
+ .style("fill", this.color)
+ .attr("cx", cx)
+ .attr("cy", cy),
+ (withTransition ? selectedCircles.transition() : selectedCircles)
+ .attr("cx", cx)
+ .attr("cy", cy)
+ ];
+ };
+ c3_chart_internal_fn.circleX = function (d) {
+ return d.x || d.x === 0 ? this.x(d.x) : null;
+ };
+ c3_chart_internal_fn.updateCircleY = function () {
+ var $$ = this, lineIndices, getPoints;
+ if ($$.config.data_groups.length > 0) {
+ lineIndices = $$.getShapeIndices($$.isLineType),
+ getPoints = $$.generateGetLinePoints(lineIndices);
+ $$.circleY = function (d, i) {
+ return getPoints(d, i)[0][1];
+ };
+ } else {
+ $$.circleY = function (d) {
+ return $$.getYScale(d.id)(d.value);
+ };
+ }
+ };
+ c3_chart_internal_fn.getCircles = function (i, id) {
+ var $$ = this;
+ return (id ? $$.main.selectAll('.' + CLASS.circles + $$.getTargetSelectorSuffix(id)) : $$.main).selectAll('.' + CLASS.circle + (isValue(i) ? '-' + i : ''));
+ };
+ c3_chart_internal_fn.expandCircles = function (i, id, reset) {
+ var $$ = this,
+ r = $$.pointExpandedR.bind($$);
+ if (reset) { $$.unexpandCircles(); }
+ $$.getCircles(i, id)
+ .classed(CLASS.EXPANDED, true)
+ .attr('r', r);
+ };
+ c3_chart_internal_fn.unexpandCircles = function (i) {
+ var $$ = this,
+ r = $$.pointR.bind($$);
+ $$.getCircles(i)
+ .filter(function () { return $$.d3.select(this).classed(CLASS.EXPANDED); })
+ .classed(CLASS.EXPANDED, false)
+ .attr('r', r);
+ };
+ c3_chart_internal_fn.pointR = function (d) {
+ var $$ = this, config = $$.config;
+ return $$.isStepType(d) ? 0 : (isFunction(config.point_r) ? config.point_r(d) : config.point_r);
+ };
+ c3_chart_internal_fn.pointExpandedR = function (d) {
+ var $$ = this, config = $$.config;
+ return config.point_focus_expand_enabled ? (config.point_focus_expand_r ? config.point_focus_expand_r : $$.pointR(d) * 1.75) : $$.pointR(d);
+ };
+ c3_chart_internal_fn.pointSelectR = function (d) {
+ var $$ = this, config = $$.config;
+ return config.point_select_r ? config.point_select_r : $$.pointR(d) * 4;
+ };
+ c3_chart_internal_fn.isWithinCircle = function (that, r) {
+ var d3 = this.d3,
+ mouse = d3.mouse(that), d3_this = d3.select(that),
+ cx = +d3_this.attr("cx"), cy = +d3_this.attr("cy");
+ return Math.sqrt(Math.pow(cx - mouse[0], 2) + Math.pow(cy - mouse[1], 2)) < r;
+ };
+ c3_chart_internal_fn.isWithinStep = function (that, y) {
+ return Math.abs(y - this.d3.mouse(that)[1]) < 30;
+ };
+
+ c3_chart_internal_fn.initBar = function () {
+ var $$ = this;
+ $$.main.select('.' + CLASS.chart).append("g")
+ .attr("class", CLASS.chartBars);
+ };
+ c3_chart_internal_fn.updateTargetsForBar = function (targets) {
+ var $$ = this, config = $$.config,
+ mainBarUpdate, mainBarEnter,
+ classChartBar = $$.classChartBar.bind($$),
+ classBars = $$.classBars.bind($$),
+ classFocus = $$.classFocus.bind($$);
+ mainBarUpdate = $$.main.select('.' + CLASS.chartBars).selectAll('.' + CLASS.chartBar)
+ .data(targets)
+ .attr('class', function (d) { return classChartBar(d) + classFocus(d); });
+ mainBarEnter = mainBarUpdate.enter().append('g')
+ .attr('class', classChartBar)
+ .style('opacity', 0)
+ .style("pointer-events", "none");
+ // Bars for each data
+ mainBarEnter.append('g')
+ .attr("class", classBars)
+ .style("cursor", function (d) { return config.data_selection_isselectable(d) ? "pointer" : null; });
+
+ };
+ c3_chart_internal_fn.updateBar = function (durationForExit) {
+ var $$ = this,
+ barData = $$.barData.bind($$),
+ classBar = $$.classBar.bind($$),
+ initialOpacity = $$.initialOpacity.bind($$),
+ color = function (d) { return $$.color(d.id); };
+ $$.mainBar = $$.main.selectAll('.' + CLASS.bars).selectAll('.' + CLASS.bar)
+ .data(barData);
+ $$.mainBar.enter().append('path')
+ .attr("class", classBar)
+ .style("stroke", color)
+ .style("fill", color);
+ $$.mainBar
+ .style("opacity", initialOpacity);
+ $$.mainBar.exit().transition().duration(durationForExit)
+ .style('opacity', 0)
+ .remove();
+ };
+ c3_chart_internal_fn.redrawBar = function (drawBar, withTransition) {
+ return [
+ (withTransition ? this.mainBar.transition() : this.mainBar)
+ .attr('d', drawBar)
+ .style("fill", this.color)
+ .style("opacity", 1)
+ ];
+ };
+ c3_chart_internal_fn.getBarW = function (axis, barTargetsNum) {
+ var $$ = this, config = $$.config,
+ w = typeof config.bar_width === 'number' ? config.bar_width : barTargetsNum ? (axis.tickOffset() * 2 * config.bar_width_ratio) / barTargetsNum : 0;
+ return config.bar_width_max && w > config.bar_width_max ? config.bar_width_max : w;
+ };
+ c3_chart_internal_fn.getBars = function (i, id) {
+ var $$ = this;
+ return (id ? $$.main.selectAll('.' + CLASS.bars + $$.getTargetSelectorSuffix(id)) : $$.main).selectAll('.' + CLASS.bar + (isValue(i) ? '-' + i : ''));
+ };
+ c3_chart_internal_fn.expandBars = function (i, id, reset) {
+ var $$ = this;
+ if (reset) { $$.unexpandBars(); }
+ $$.getBars(i, id).classed(CLASS.EXPANDED, true);
+ };
+ c3_chart_internal_fn.unexpandBars = function (i) {
+ var $$ = this;
+ $$.getBars(i).classed(CLASS.EXPANDED, false);
+ };
+ c3_chart_internal_fn.generateDrawBar = function (barIndices, isSub) {
+ var $$ = this, config = $$.config,
+ getPoints = $$.generateGetBarPoints(barIndices, isSub);
+ return function (d, i) {
+ // 4 points that make a bar
+ var points = getPoints(d, i);
+
+ // switch points if axis is rotated, not applicable for sub chart
+ var indexX = config.axis_rotated ? 1 : 0;
+ var indexY = config.axis_rotated ? 0 : 1;
+
+ var path = 'M ' + points[0][indexX] + ',' + points[0][indexY] + ' ' +
+ 'L' + points[1][indexX] + ',' + points[1][indexY] + ' ' +
+ 'L' + points[2][indexX] + ',' + points[2][indexY] + ' ' +
+ 'L' + points[3][indexX] + ',' + points[3][indexY] + ' ' +
+ 'z';
+
+ return path;
+ };
+ };
+ c3_chart_internal_fn.generateGetBarPoints = function (barIndices, isSub) {
+ var $$ = this,
+ axis = isSub ? $$.subXAxis : $$.xAxis,
+ barTargetsNum = barIndices.__max__ + 1,
+ barW = $$.getBarW(axis, barTargetsNum),
+ barX = $$.getShapeX(barW, barTargetsNum, barIndices, !!isSub),
+ barY = $$.getShapeY(!!isSub),
+ barOffset = $$.getShapeOffset($$.isBarType, barIndices, !!isSub),
+ yScale = isSub ? $$.getSubYScale : $$.getYScale;
+ return function (d, i) {
+ var y0 = yScale.call($$, d.id)(0),
+ offset = barOffset(d, i) || y0, // offset is for stacked bar chart
+ posX = barX(d), posY = barY(d);
+ // fix posY not to overflow opposite quadrant
+ if ($$.config.axis_rotated) {
+ if ((0 < d.value && posY < y0) || (d.value < 0 && y0 < posY)) { posY = y0; }
+ }
+ // 4 points that make a bar
+ return [
+ [posX, offset],
+ [posX, posY - (y0 - offset)],
+ [posX + barW, posY - (y0 - offset)],
+ [posX + barW, offset]
+ ];
+ };
+ };
+ c3_chart_internal_fn.isWithinBar = function (that) {
+ var mouse = this.d3.mouse(that), box = that.getBoundingClientRect(),
+ seg0 = that.pathSegList.getItem(0), seg1 = that.pathSegList.getItem(1),
+ x = Math.min(seg0.x, seg1.x), y = Math.min(seg0.y, seg1.y),
+ w = box.width, h = box.height, offset = 2,
+ sx = x - offset, ex = x + w + offset, sy = y + h + offset, ey = y - offset;
+ return sx < mouse[0] && mouse[0] < ex && ey < mouse[1] && mouse[1] < sy;
+ };
+
+ c3_chart_internal_fn.initText = function () {
+ var $$ = this;
+ $$.main.select('.' + CLASS.chart).append("g")
+ .attr("class", CLASS.chartTexts);
+ $$.mainText = $$.d3.selectAll([]);
+ };
+ c3_chart_internal_fn.updateTargetsForText = function (targets) {
+ var $$ = this, mainTextUpdate, mainTextEnter,
+ classChartText = $$.classChartText.bind($$),
+ classTexts = $$.classTexts.bind($$),
+ classFocus = $$.classFocus.bind($$);
+ mainTextUpdate = $$.main.select('.' + CLASS.chartTexts).selectAll('.' + CLASS.chartText)
+ .data(targets)
+ .attr('class', function (d) { return classChartText(d) + classFocus(d); });
+ mainTextEnter = mainTextUpdate.enter().append('g')
+ .attr('class', classChartText)
+ .style('opacity', 0)
+ .style("pointer-events", "none");
+ mainTextEnter.append('g')
+ .attr('class', classTexts);
+ };
+ c3_chart_internal_fn.updateText = function (durationForExit) {
+ var $$ = this, config = $$.config,
+ barOrLineData = $$.barOrLineData.bind($$),
+ classText = $$.classText.bind($$);
+ $$.mainText = $$.main.selectAll('.' + CLASS.texts).selectAll('.' + CLASS.text)
+ .data(barOrLineData);
+ $$.mainText.enter().append('text')
+ .attr("class", classText)
+ .attr('text-anchor', function (d) { return config.axis_rotated ? (d.value < 0 ? 'end' : 'start') : 'middle'; })
+ .style("stroke", 'none')
+ .style("fill", function (d) { return $$.color(d); })
+ .style("fill-opacity", 0);
+ $$.mainText
+ .text(function (d, i, j) { return $$.dataLabelFormat(d.id)(d.value, d.id, i, j); });
+ $$.mainText.exit()
+ .transition().duration(durationForExit)
+ .style('fill-opacity', 0)
+ .remove();
+ };
+ c3_chart_internal_fn.redrawText = function (xForText, yForText, forFlow, withTransition) {
+ return [
+ (withTransition ? this.mainText.transition() : this.mainText)
+ .attr('x', xForText)
+ .attr('y', yForText)
+ .style("fill", this.color)
+ .style("fill-opacity", forFlow ? 0 : this.opacityForText.bind(this))
+ ];
+ };
+ c3_chart_internal_fn.getTextRect = function (text, cls) {
+ var body = this.d3.select('body').classed('c3', true),
+ svg = body.append("svg").style('visibility', 'hidden'), rect;
+ svg.selectAll('.dummy')
+ .data([text])
+ .enter().append('text')
+ .classed(cls ? cls : "", true)
+ .text(text)
+ .each(function () { rect = this.getBoundingClientRect(); });
+ svg.remove();
+ body.classed('c3', false);
+ return rect;
+ };
+ c3_chart_internal_fn.generateXYForText = function (areaIndices, barIndices, lineIndices, forX) {
+ var $$ = this,
+ getAreaPoints = $$.generateGetAreaPoints(barIndices, false),
+ getBarPoints = $$.generateGetBarPoints(barIndices, false),
+ getLinePoints = $$.generateGetLinePoints(lineIndices, false),
+ getter = forX ? $$.getXForText : $$.getYForText;
+ return function (d, i) {
+ var getPoints = $$.isAreaType(d) ? getAreaPoints : $$.isBarType(d) ? getBarPoints : getLinePoints;
+ return getter.call($$, getPoints(d, i), d, this);
+ };
+ };
+ c3_chart_internal_fn.getXForText = function (points, d, textElement) {
+ var $$ = this,
+ box = textElement.getBoundingClientRect(), xPos, padding;
+ if ($$.config.axis_rotated) {
+ padding = $$.isBarType(d) ? 4 : 6;
+ xPos = points[2][1] + padding * (d.value < 0 ? -1 : 1);
+ } else {
+ xPos = $$.hasType('bar') ? (points[2][0] + points[0][0]) / 2 : points[0][0];
+ }
+ // show labels regardless of the domain if value is null
+ if (d.value === null) {
+ if (xPos > $$.width) {
+ xPos = $$.width - box.width;
+ } else if (xPos < 0) {
+ xPos = 4;
+ }
+ }
+ return xPos;
+ };
+ c3_chart_internal_fn.getYForText = function (points, d, textElement) {
+ var $$ = this,
+ box = textElement.getBoundingClientRect(), yPos;
+ if ($$.config.axis_rotated) {
+ yPos = (points[0][0] + points[2][0] + box.height * 0.6) / 2;
+ } else {
+ yPos = points[2][1] + (d.value < 0 ? box.height : $$.isBarType(d) ? -3 : -6);
+ }
+ // show labels regardless of the domain if value is null
+ if (d.value === null && !$$.config.axis_rotated) {
+ if (yPos < box.height) {
+ yPos = box.height;
+ } else if (yPos > this.height) {
+ yPos = this.height - 4;
+ }
+ }
+ return yPos;
+ };
+
+ c3_chart_internal_fn.setTargetType = function (targetIds, type) {
+ var $$ = this, config = $$.config;
+ $$.mapToTargetIds(targetIds).forEach(function (id) {
+ $$.withoutFadeIn[id] = (type === config.data_types[id]);
+ config.data_types[id] = type;
+ });
+ if (!targetIds) {
+ config.data_type = type;
+ }
+ };
+ c3_chart_internal_fn.hasType = function (type, targets) {
+ var $$ = this, types = $$.config.data_types, has = false;
+ targets = targets || $$.data.targets;
+ if (targets && targets.length) {
+ targets.forEach(function (target) {
+ var t = types[target.id];
+ if ((t && t.indexOf(type) >= 0) || (!t && type === 'line')) {
+ has = true;
+ }
+ });
+ } else if (Object.keys(types).length) {
+ Object.keys(types).forEach(function (id) {
+ if (types[id] === type) { has = true; }
+ });
+ } else {
+ has = $$.config.data_type === type;
+ }
+ return has;
+ };
+ c3_chart_internal_fn.hasArcType = function (targets) {
+ return this.hasType('pie', targets) || this.hasType('donut', targets) || this.hasType('gauge', targets);
+ };
+ c3_chart_internal_fn.isLineType = function (d) {
+ var config = this.config, id = isString(d) ? d : d.id;
+ return !config.data_types[id] || ['line', 'spline', 'area', 'area-spline', 'step', 'area-step'].indexOf(config.data_types[id]) >= 0;
+ };
+ c3_chart_internal_fn.isStepType = function (d) {
+ var id = isString(d) ? d : d.id;
+ return ['step', 'area-step'].indexOf(this.config.data_types[id]) >= 0;
+ };
+ c3_chart_internal_fn.isSplineType = function (d) {
+ var id = isString(d) ? d : d.id;
+ return ['spline', 'area-spline'].indexOf(this.config.data_types[id]) >= 0;
+ };
+ c3_chart_internal_fn.isAreaType = function (d) {
+ var id = isString(d) ? d : d.id;
+ return ['area', 'area-spline', 'area-step'].indexOf(this.config.data_types[id]) >= 0;
+ };
+ c3_chart_internal_fn.isBarType = function (d) {
+ var id = isString(d) ? d : d.id;
+ return this.config.data_types[id] === 'bar';
+ };
+ c3_chart_internal_fn.isScatterType = function (d) {
+ var id = isString(d) ? d : d.id;
+ return this.config.data_types[id] === 'scatter';
+ };
+ c3_chart_internal_fn.isPieType = function (d) {
+ var id = isString(d) ? d : d.id;
+ return this.config.data_types[id] === 'pie';
+ };
+ c3_chart_internal_fn.isGaugeType = function (d) {
+ var id = isString(d) ? d : d.id;
+ return this.config.data_types[id] === 'gauge';
+ };
+ c3_chart_internal_fn.isDonutType = function (d) {
+ var id = isString(d) ? d : d.id;
+ return this.config.data_types[id] === 'donut';
+ };
+ c3_chart_internal_fn.isArcType = function (d) {
+ return this.isPieType(d) || this.isDonutType(d) || this.isGaugeType(d);
+ };
+ c3_chart_internal_fn.lineData = function (d) {
+ return this.isLineType(d) ? [d] : [];
+ };
+ c3_chart_internal_fn.arcData = function (d) {
+ return this.isArcType(d.data) ? [d] : [];
+ };
+ /* not used
+ function scatterData(d) {
+ return isScatterType(d) ? d.values : [];
+ }
+ */
+ c3_chart_internal_fn.barData = function (d) {
+ return this.isBarType(d) ? d.values : [];
+ };
+ c3_chart_internal_fn.lineOrScatterData = function (d) {
+ return this.isLineType(d) || this.isScatterType(d) ? d.values : [];
+ };
+ c3_chart_internal_fn.barOrLineData = function (d) {
+ return this.isBarType(d) || this.isLineType(d) ? d.values : [];
+ };
+
+ c3_chart_internal_fn.initGrid = function () {
+ var $$ = this, config = $$.config, d3 = $$.d3;
+ $$.grid = $$.main.append('g')
+ .attr("clip-path", $$.clipPathForGrid)
+ .attr('class', CLASS.grid);
+ if (config.grid_x_show) {
+ $$.grid.append("g").attr("class", CLASS.xgrids);
+ }
+ if (config.grid_y_show) {
+ $$.grid.append('g').attr('class', CLASS.ygrids);
+ }
+ if (config.grid_focus_show) {
+ $$.grid.append('g')
+ .attr("class", CLASS.xgridFocus)
+ .append('line')
+ .attr('class', CLASS.xgridFocus);
+ }
+ $$.xgrid = d3.selectAll([]);
+ if (!config.grid_lines_front) { $$.initGridLines(); }
+ };
+ c3_chart_internal_fn.initGridLines = function () {
+ var $$ = this, d3 = $$.d3;
+ $$.gridLines = $$.main.append('g')
+ .attr("clip-path", $$.clipPathForGrid)
+ .attr('class', CLASS.grid + ' ' + CLASS.gridLines);
+ $$.gridLines.append('g').attr("class", CLASS.xgridLines);
+ $$.gridLines.append('g').attr('class', CLASS.ygridLines);
+ $$.xgridLines = d3.selectAll([]);
+ };
+ c3_chart_internal_fn.updateXGrid = function (withoutUpdate) {
+ var $$ = this, config = $$.config, d3 = $$.d3,
+ xgridData = $$.generateGridData(config.grid_x_type, $$.x),
+ tickOffset = $$.isCategorized() ? $$.xAxis.tickOffset() : 0;
+
+ $$.xgridAttr = config.axis_rotated ? {
+ 'x1': 0,
+ 'x2': $$.width,
+ 'y1': function (d) { return $$.x(d) - tickOffset; },
+ 'y2': function (d) { return $$.x(d) - tickOffset; }
+ } : {
+ 'x1': function (d) { return $$.x(d) + tickOffset; },
+ 'x2': function (d) { return $$.x(d) + tickOffset; },
+ 'y1': 0,
+ 'y2': $$.height
+ };
+
+ $$.xgrid = $$.main.select('.' + CLASS.xgrids).selectAll('.' + CLASS.xgrid)
+ .data(xgridData);
+ $$.xgrid.enter().append('line').attr("class", CLASS.xgrid);
+ if (!withoutUpdate) {
+ $$.xgrid.attr($$.xgridAttr)
+ .style("opacity", function () { return +d3.select(this).attr(config.axis_rotated ? 'y1' : 'x1') === (config.axis_rotated ? $$.height : 0) ? 0 : 1; });
+ }
+ $$.xgrid.exit().remove();
+ };
+
+ c3_chart_internal_fn.updateYGrid = function () {
+ var $$ = this, config = $$.config,
+ gridValues = $$.yAxis.tickValues() || $$.y.ticks(config.grid_y_ticks);
+ $$.ygrid = $$.main.select('.' + CLASS.ygrids).selectAll('.' + CLASS.ygrid)
+ .data(gridValues);
+ $$.ygrid.enter().append('line')
+ .attr('class', CLASS.ygrid);
+ $$.ygrid.attr("x1", config.axis_rotated ? $$.y : 0)
+ .attr("x2", config.axis_rotated ? $$.y : $$.width)
+ .attr("y1", config.axis_rotated ? 0 : $$.y)
+ .attr("y2", config.axis_rotated ? $$.height : $$.y);
+ $$.ygrid.exit().remove();
+ $$.smoothLines($$.ygrid, 'grid');
+ };
+
+
+ c3_chart_internal_fn.updateGrid = function (duration) {
+ var $$ = this, main = $$.main, config = $$.config,
+ xgridLine, ygridLine, yv;
+
+ // hide if arc type
+ $$.grid.style('visibility', $$.hasArcType() ? 'hidden' : 'visible');
+
+ main.select('line.' + CLASS.xgridFocus).style("visibility", "hidden");
+ if (config.grid_x_show) {
+ $$.updateXGrid();
+ }
+ $$.xgridLines = main.select('.' + CLASS.xgridLines).selectAll('.' + CLASS.xgridLine)
+ .data(config.grid_x_lines);
+ // enter
+ xgridLine = $$.xgridLines.enter().append('g')
+ .attr("class", function (d) { return CLASS.xgridLine + (d['class'] ? ' ' + d['class'] : ''); });
+ xgridLine.append('line')
+ .style("opacity", 0);
+ xgridLine.append('text')
+ .attr("text-anchor", "end")
+ .attr("transform", config.axis_rotated ? "" : "rotate(-90)")
+ .attr('dx', -4)
+ .attr('dy', -5)
+ .style("opacity", 0);
+ // udpate
+ // done in d3.transition() of the end of this function
+ // exit
+ $$.xgridLines.exit().transition().duration(duration)
+ .style("opacity", 0)
+ .remove();
+
+ // Y-Grid
+ if (config.grid_y_show) {
+ $$.updateYGrid();
+ }
+ $$.ygridLines = main.select('.' + CLASS.ygridLines).selectAll('.' + CLASS.ygridLine)
+ .data(config.grid_y_lines);
+ // enter
+ ygridLine = $$.ygridLines.enter().append('g')
+ .attr("class", function (d) { return CLASS.ygridLine + (d['class'] ? ' ' + d['class'] : ''); });
+ ygridLine.append('line')
+ .style("opacity", 0);
+ ygridLine.append('text')
+ .attr("text-anchor", "end")
+ .attr("transform", config.axis_rotated ? "rotate(-90)" : "")
+ .attr('dx', config.axis_rotated ? 0 : -$$.margin.top)
+ .attr('dy', -5)
+ .style("opacity", 0);
+ // update
+ yv = $$.yv.bind($$);
+ $$.ygridLines.select('line')
+ .transition().duration(duration)
+ .attr("x1", config.axis_rotated ? yv : 0)
+ .attr("x2", config.axis_rotated ? yv : $$.width)
+ .attr("y1", config.axis_rotated ? 0 : yv)
+ .attr("y2", config.axis_rotated ? $$.height : yv)
+ .style("opacity", 1);
+ $$.ygridLines.select('text')
+ .transition().duration(duration)
+ .attr("x", config.axis_rotated ? 0 : $$.width)
+ .attr("y", yv)
+ .text(function (d) { return d.text; })
+ .style("opacity", 1);
+ // exit
+ $$.ygridLines.exit().transition().duration(duration)
+ .style("opacity", 0)
+ .remove();
+ };
+ c3_chart_internal_fn.redrawGrid = function (withTransition) {
+ var $$ = this, config = $$.config, xv = $$.xv.bind($$),
+ lines = $$.xgridLines.select('line'),
+ texts = $$.xgridLines.select('text');
+ return [
+ (withTransition ? lines.transition() : lines)
+ .attr("x1", config.axis_rotated ? 0 : xv)
+ .attr("x2", config.axis_rotated ? $$.width : xv)
+ .attr("y1", config.axis_rotated ? xv : 0)
+ .attr("y2", config.axis_rotated ? xv : $$.height)
+ .style("opacity", 1),
+ (withTransition ? texts.transition() : texts)
+ .attr("x", config.axis_rotated ? $$.width : 0)
+ .attr("y", xv)
+ .text(function (d) { return d.text; })
+ .style("opacity", 1)
+ ];
+ };
+ c3_chart_internal_fn.showXGridFocus = function (selectedData) {
+ var $$ = this, config = $$.config,
+ dataToShow = selectedData.filter(function (d) { return d && isValue(d.value); }),
+ focusEl = $$.main.selectAll('line.' + CLASS.xgridFocus),
+ xx = $$.xx.bind($$);
+ if (! config.tooltip_show) { return; }
+ // Hide when scatter plot exists
+ if ($$.hasType('scatter') || $$.hasArcType()) { return; }
+ focusEl
+ .style("visibility", "visible")
+ .data([dataToShow[0]])
+ .attr(config.axis_rotated ? 'y1' : 'x1', xx)
+ .attr(config.axis_rotated ? 'y2' : 'x2', xx);
+ $$.smoothLines(focusEl, 'grid');
+ };
+ c3_chart_internal_fn.hideXGridFocus = function () {
+ this.main.select('line.' + CLASS.xgridFocus).style("visibility", "hidden");
+ };
+ c3_chart_internal_fn.updateXgridFocus = function () {
+ var $$ = this, config = $$.config;
+ $$.main.select('line.' + CLASS.xgridFocus)
+ .attr("x1", config.axis_rotated ? 0 : -10)
+ .attr("x2", config.axis_rotated ? $$.width : -10)
+ .attr("y1", config.axis_rotated ? -10 : 0)
+ .attr("y2", config.axis_rotated ? -10 : $$.height);
+ };
+ c3_chart_internal_fn.generateGridData = function (type, scale) {
+ var $$ = this,
+ gridData = [], xDomain, firstYear, lastYear, i,
+ tickNum = $$.main.select("." + CLASS.axisX).selectAll('.tick').size();
+ if (type === 'year') {
+ xDomain = $$.getXDomain();
+ firstYear = xDomain[0].getFullYear();
+ lastYear = xDomain[1].getFullYear();
+ for (i = firstYear; i <= lastYear; i++) {
+ gridData.push(new Date(i + '-01-01 00:00:00'));
+ }
+ } else {
+ gridData = scale.ticks(10);
+ if (gridData.length > tickNum) { // use only int
+ gridData = gridData.filter(function (d) { return ("" + d).indexOf('.') < 0; });
+ }
+ }
+ return gridData;
+ };
+ c3_chart_internal_fn.getGridFilterToRemove = function (params) {
+ return params ? function (line) {
+ var found = false;
+ [].concat(params).forEach(function (param) {
+ if ((('value' in param && line.value === param.value) || ('class' in param && line['class'] === param['class']))) {
+ found = true;
+ }
+ });
+ return found;
+ } : function () { return true; };
+ };
+ c3_chart_internal_fn.removeGridLines = function (params, forX) {
+ var $$ = this, config = $$.config,
+ toRemove = $$.getGridFilterToRemove(params),
+ toShow = function (line) { return !toRemove(line); },
+ classLines = forX ? CLASS.xgridLines : CLASS.ygridLines,
+ classLine = forX ? CLASS.xgridLine : CLASS.ygridLine;
+ $$.main.select('.' + classLines).selectAll('.' + classLine).filter(toRemove)
+ .transition().duration(config.transition_duration)
+ .style('opacity', 0).remove();
+ if (forX) {
+ config.grid_x_lines = config.grid_x_lines.filter(toShow);
+ } else {
+ config.grid_y_lines = config.grid_y_lines.filter(toShow);
+ }
+ };
+
+ c3_chart_internal_fn.initTooltip = function () {
+ var $$ = this, config = $$.config, i;
+ $$.tooltip = $$.selectChart
+ .style("position", "relative")
+ .append("div")
+ .attr('class', CLASS.tooltipContainer)
+ .style("position", "absolute")
+ .style("pointer-events", "none")
+ .style("display", "none");
+ // Show tooltip if needed
+ if (config.tooltip_init_show) {
+ if ($$.isTimeSeries() && isString(config.tooltip_init_x)) {
+ config.tooltip_init_x = $$.parseDate(config.tooltip_init_x);
+ for (i = 0; i < $$.data.targets[0].values.length; i++) {
+ if (($$.data.targets[0].values[i].x - config.tooltip_init_x) === 0) { break; }
+ }
+ config.tooltip_init_x = i;
+ }
+ $$.tooltip.html(config.tooltip_contents.call($$, $$.data.targets.map(function (d) {
+ return $$.addName(d.values[config.tooltip_init_x]);
+ }), $$.getXAxisTickFormat(), $$.getYFormat($$.hasArcType()), $$.color));
+ $$.tooltip.style("top", config.tooltip_init_position.top)
+ .style("left", config.tooltip_init_position.left)
+ .style("display", "block");
+ }
+ };
+ c3_chart_internal_fn.getTooltipContent = function (d, defaultTitleFormat, defaultValueFormat, color) {
+ var $$ = this, config = $$.config,
+ titleFormat = config.tooltip_format_title || defaultTitleFormat,
+ nameFormat = config.tooltip_format_name || function (name) { return name; },
+ valueFormat = config.tooltip_format_value || defaultValueFormat,
+ text, i, title, value, name, bgcolor;
+ for (i = 0; i < d.length; i++) {
+ if (! (d[i] && (d[i].value || d[i].value === 0))) { continue; }
+
+ if (! text) {
+ title = titleFormat ? titleFormat(d[i].x) : d[i].x;
+ text = "<table class='" + CLASS.tooltip + "'>" + (title || title === 0 ? "<tr><th colspan='2'>" + title + "</th></tr>" : "");
+ }
+
+ value = valueFormat(d[i].value, d[i].ratio, d[i].id, d[i].index);
+ if (value !== undefined) {
+ name = nameFormat(d[i].name, d[i].ratio, d[i].id, d[i].index);
+ bgcolor = $$.levelColor ? $$.levelColor(d[i].value) : color(d[i].id);
+
+ text += "<tr class='" + CLASS.tooltipName + "-" + d[i].id + "'>";
+ text += "<td class='name'><span style='background-color:" + bgcolor + "'></span>" + name + "</td>";
+ text += "<td class='value'>" + value + "</td>";
+ text += "</tr>";
+ }
+ }
+ return text + "</table>";
+ };
+ c3_chart_internal_fn.tooltipPosition = function (dataToShow, tWidth, tHeight, element) {
+ var $$ = this, config = $$.config, d3 = $$.d3;
+ var svgLeft, tooltipLeft, tooltipRight, tooltipTop, chartRight;
+ var forArc = $$.hasArcType(),
+ mouse = d3.mouse(element);
+ // Determin tooltip position
+ if (forArc) {
+ tooltipLeft = (($$.width - ($$.isLegendRight ? $$.getLegendWidth() : 0)) / 2) + mouse[0];
+ tooltipTop = ($$.height / 2) + mouse[1] + 20;
+ } else {
+ svgLeft = $$.getSvgLeft(true);
+ if (config.axis_rotated) {
+ tooltipLeft = svgLeft + mouse[0] + 100;
+ tooltipRight = tooltipLeft + tWidth;
+ chartRight = $$.currentWidth - $$.getCurrentPaddingRight();
+ tooltipTop = $$.x(dataToShow[0].x) + 20;
+ } else {
+ tooltipLeft = svgLeft + $$.getCurrentPaddingLeft(true) + $$.x(dataToShow[0].x) + 20;
+ tooltipRight = tooltipLeft + tWidth;
+ chartRight = svgLeft + $$.currentWidth - $$.getCurrentPaddingRight();
+ tooltipTop = mouse[1] + 15;
+ }
+
+ if (tooltipRight > chartRight) {
+ tooltipLeft -= tooltipRight - chartRight;
+ }
+ if (tooltipTop + tHeight > $$.currentHeight) {
+ tooltipTop -= tHeight + 30;
+ }
+ }
+ if (tooltipTop < 0) {
+ tooltipTop = 0;
+ }
+ return {top: tooltipTop, left: tooltipLeft};
+ };
+ c3_chart_internal_fn.showTooltip = function (selectedData, element) {
+ var $$ = this, config = $$.config;
+ var tWidth, tHeight, position;
+ var forArc = $$.hasArcType(),
+ dataToShow = selectedData.filter(function (d) { return d && isValue(d.value); }),
+ positionFunction = config.tooltip_position || c3_chart_internal_fn.tooltipPosition;
+ if (dataToShow.length === 0 || !config.tooltip_show) {
+ return;
+ }
+ $$.tooltip.html(config.tooltip_contents.call($$, selectedData, $$.getXAxisTickFormat(), $$.getYFormat(forArc), $$.color)).style("display", "block");
+
+ // Get tooltip dimensions
+ tWidth = $$.tooltip.property('offsetWidth');
+ tHeight = $$.tooltip.property('offsetHeight');
+
+ position = positionFunction.call(this, dataToShow, tWidth, tHeight, element);
+ // Set tooltip
+ $$.tooltip
+ .style("top", position.top + "px")
+ .style("left", position.left + 'px');
+ };
+ c3_chart_internal_fn.hideTooltip = function () {
+ this.tooltip.style("display", "none");
+ };
+
+ c3_chart_internal_fn.initLegend = function () {
+ var $$ = this;
+ $$.legendHasRendered = false;
+ $$.legend = $$.svg.append("g").attr("transform", $$.getTranslate('legend'));
+ if (!$$.config.legend_show) {
+ $$.legend.style('visibility', 'hidden');
+ $$.hiddenLegendIds = $$.mapToIds($$.data.targets);
+ return;
+ }
+ // MEMO: call here to update legend box and tranlate for all
+ // MEMO: translate will be upated by this, so transform not needed in updateLegend()
+ $$.updateLegendWithDefaults();
+ };
+ c3_chart_internal_fn.updateLegendWithDefaults = function () {
+ var $$ = this;
+ $$.updateLegend($$.mapToIds($$.data.targets), {withTransform: false, withTransitionForTransform: false, withTransition: false});
+ };
+ c3_chart_internal_fn.updateSizeForLegend = function (legendHeight, legendWidth) {
+ var $$ = this, config = $$.config, insetLegendPosition = {
+ top: $$.isLegendTop ? $$.getCurrentPaddingTop() + config.legend_inset_y + 5.5 : $$.currentHeight - legendHeight - $$.getCurrentPaddingBottom() - config.legend_inset_y,
+ left: $$.isLegendLeft ? $$.getCurrentPaddingLeft() + config.legend_inset_x + 0.5 : $$.currentWidth - legendWidth - $$.getCurrentPaddingRight() - config.legend_inset_x + 0.5
+ };
+
+ $$.margin3 = {
+ top: $$.isLegendRight ? 0 : $$.isLegendInset ? insetLegendPosition.top : $$.currentHeight - legendHeight,
+ right: NaN,
+ bottom: 0,
+ left: $$.isLegendRight ? $$.currentWidth - legendWidth : $$.isLegendInset ? insetLegendPosition.left : 0
+ };
+ };
+ c3_chart_internal_fn.transformLegend = function (withTransition) {
+ var $$ = this;
+ (withTransition ? $$.legend.transition() : $$.legend).attr("transform", $$.getTranslate('legend'));
+ };
+ c3_chart_internal_fn.updateLegendStep = function (step) {
+ this.legendStep = step;
+ };
+ c3_chart_internal_fn.updateLegendItemWidth = function (w) {
+ this.legendItemWidth = w;
+ };
+ c3_chart_internal_fn.updateLegendItemHeight = function (h) {
+ this.legendItemHeight = h;
+ };
+ c3_chart_internal_fn.getLegendWidth = function () {
+ var $$ = this;
+ return $$.config.legend_show ? $$.isLegendRight || $$.isLegendInset ? $$.legendItemWidth * ($$.legendStep + 1) : $$.currentWidth : 0;
+ };
+ c3_chart_internal_fn.getLegendHeight = function () {
+ var $$ = this, h = 0;
+ if ($$.config.legend_show) {
+ if ($$.isLegendRight) {
+ h = $$.currentHeight;
+ } else {
+ h = Math.max(20, $$.legendItemHeight) * ($$.legendStep + 1);
+ }
+ }
+ return h;
+ };
+ c3_chart_internal_fn.opacityForLegend = function (legendItem) {
+ return legendItem.classed(CLASS.legendItemHidden) ? null : 1;
+ };
+ c3_chart_internal_fn.opacityForUnfocusedLegend = function (legendItem) {
+ return legendItem.classed(CLASS.legendItemHidden) ? null : 0.3;
+ };
+ c3_chart_internal_fn.toggleFocusLegend = function (targetIds, focus) {
+ var $$ = this;
+ targetIds = $$.mapToTargetIds(targetIds);
+ $$.legend.selectAll('.' + CLASS.legendItem)
+ .filter(function (id) { return targetIds.indexOf(id) >= 0; })
+ .classed(CLASS.legendItemFocused, focus)
+ .transition().duration(100)
+ .style('opacity', function () {
+ var opacity = focus ? $$.opacityForLegend : $$.opacityForUnfocusedLegend;
+ return opacity.call($$, $$.d3.select(this));
+ });
+ };
+ c3_chart_internal_fn.revertLegend = function () {
+ var $$ = this, d3 = $$.d3;
+ $$.legend.selectAll('.' + CLASS.legendItem)
+ .classed(CLASS.legendItemFocused, false)
+ .transition().duration(100)
+ .style('opacity', function () { return $$.opacityForLegend(d3.select(this)); });
+ };
+ c3_chart_internal_fn.showLegend = function (targetIds) {
+ var $$ = this, config = $$.config;
+ if (!config.legend_show) {
+ config.legend_show = true;
+ $$.legend.style('visibility', 'visible');
+ if (!$$.legendHasRendered) {
+ $$.updateLegendWithDefaults();
+ }
+ }
+ $$.removeHiddenLegendIds(targetIds);
+ $$.legend.selectAll($$.selectorLegends(targetIds))
+ .style('visibility', 'visible')
+ .transition()
+ .style('opacity', function () { return $$.opacityForLegend($$.d3.select(this)); });
+ };
+ c3_chart_internal_fn.hideLegend = function (targetIds) {
+ var $$ = this, config = $$.config;
+ if (config.legend_show && isEmpty(targetIds)) {
+ config.legend_show = false;
+ $$.legend.style('visibility', 'hidden');
+ }
+ $$.addHiddenLegendIds(targetIds);
+ $$.legend.selectAll($$.selectorLegends(targetIds))
+ .style('opacity', 0)
+ .style('visibility', 'hidden');
+ };
+ var legendItemTextBox = {};
+ c3_chart_internal_fn.clearLegendItemTextBoxCache = function () {
+ legendItemTextBox = {};
+ };
+ c3_chart_internal_fn.updateLegend = function (targetIds, options, transitions) {
+ var $$ = this, config = $$.config;
+ var xForLegend, xForLegendText, xForLegendRect, yForLegend, yForLegendText, yForLegendRect;
+ var paddingTop = 4, paddingRight = 10, maxWidth = 0, maxHeight = 0, posMin = 10, tileWidth = 15;
+ var l, totalLength = 0, offsets = {}, widths = {}, heights = {}, margins = [0], steps = {}, step = 0;
+ var withTransition, withTransitionForTransform;
+ var hasFocused = $$.legend.selectAll('.' + CLASS.legendItemFocused).size();
+ var texts, rects, tiles, background;
+
+ options = options || {};
+ withTransition = getOption(options, "withTransition", true);
+ withTransitionForTransform = getOption(options, "withTransitionForTransform", true);
+
+ function getTextBox(textElement, id) {
+ if (!legendItemTextBox[id]) {
+ legendItemTextBox[id] = $$.getTextRect(textElement.textContent, CLASS.legendItem);
+ }
+ return legendItemTextBox[id];
+ }
+
+ function updatePositions(textElement, id, index) {
+ var reset = index === 0, isLast = index === targetIds.length - 1,
+ box = getTextBox(textElement, id),
+ itemWidth = box.width + tileWidth + (isLast && !($$.isLegendRight || $$.isLegendInset) ? 0 : paddingRight),
+ itemHeight = box.height + paddingTop,
+ itemLength = $$.isLegendRight || $$.isLegendInset ? itemHeight : itemWidth,
+ areaLength = $$.isLegendRight || $$.isLegendInset ? $$.getLegendHeight() : $$.getLegendWidth(),
+ margin, maxLength;
+
+ // MEMO: care about condifion of step, totalLength
+ function updateValues(id, withoutStep) {
+ if (!withoutStep) {
+ margin = (areaLength - totalLength - itemLength) / 2;
+ if (margin < posMin) {
+ margin = (areaLength - itemLength) / 2;
+ totalLength = 0;
+ step++;
+ }
+ }
+ steps[id] = step;
+ margins[step] = $$.isLegendInset ? 10 : margin;
+ offsets[id] = totalLength;
+ totalLength += itemLength;
+ }
+
+ if (reset) {
+ totalLength = 0;
+ step = 0;
+ maxWidth = 0;
+ maxHeight = 0;
+ }
+
+ if (config.legend_show && !$$.isLegendToShow(id)) {
+ widths[id] = heights[id] = steps[id] = offsets[id] = 0;
+ return;
+ }
+
+ widths[id] = itemWidth;
+ heights[id] = itemHeight;
+
+ if (!maxWidth || itemWidth >= maxWidth) { maxWidth = itemWidth; }
+ if (!maxHeight || itemHeight >= maxHeight) { maxHeight = itemHeight; }
+ maxLength = $$.isLegendRight || $$.isLegendInset ? maxHeight : maxWidth;
+
+ if (config.legend_equally) {
+ Object.keys(widths).forEach(function (id) { widths[id] = maxWidth; });
+ Object.keys(heights).forEach(function (id) { heights[id] = maxHeight; });
+ margin = (areaLength - maxLength * targetIds.length) / 2;
+ if (margin < posMin) {
+ totalLength = 0;
+ step = 0;
+ targetIds.forEach(function (id) { updateValues(id); });
+ }
+ else {
+ updateValues(id, true);
+ }
+ } else {
+ updateValues(id);
+ }
+ }
+
+ if ($$.isLegendInset) {
+ step = config.legend_inset_step ? config.legend_inset_step : targetIds.length;
+ $$.updateLegendStep(step);
+ }
+
+ if ($$.isLegendRight) {
+ xForLegend = function (id) { return maxWidth * steps[id]; };
+ yForLegend = function (id) { return margins[steps[id]] + offsets[id]; };
+ } else if ($$.isLegendInset) {
+ xForLegend = function (id) { return maxWidth * steps[id] + 10; };
+ yForLegend = function (id) { return margins[steps[id]] + offsets[id]; };
+ } else {
+ xForLegend = function (id) { return margins[steps[id]] + offsets[id]; };
+ yForLegend = function (id) { return maxHeight * steps[id]; };
+ }
+ xForLegendText = function (id, i) { return xForLegend(id, i) + 14; };
+ yForLegendText = function (id, i) { return yForLegend(id, i) + 9; };
+ xForLegendRect = function (id, i) { return xForLegend(id, i); };
+ yForLegendRect = function (id, i) { return yForLegend(id, i) - 5; };
+
+ // Define g for legend area
+ l = $$.legend.selectAll('.' + CLASS.legendItem)
+ .data(targetIds)
+ .enter().append('g')
+ .attr('class', function (id) { return $$.generateClass(CLASS.legendItem, id); })
+ .style('visibility', function (id) { return $$.isLegendToShow(id) ? 'visible' : 'hidden'; })
+ .style('cursor', 'pointer')
+ .on('click', function (id) {
+ if (config.legend_item_onclick) {
+ config.legend_item_onclick.call($$, id);
+ } else {
+ if ($$.d3.event.altKey) {
+ $$.api.hide();
+ $$.api.show(id);
+ } else {
+ $$.api.toggle(id);
+ $$.isTargetToShow(id) ? $$.api.focus(id) : $$.api.revert();
+ }
+ }
+ })
+ .on('mouseover', function (id) {
+ $$.d3.select(this).classed(CLASS.legendItemFocused, true);
+ if (!$$.transiting && $$.isTargetToShow(id)) {
+ $$.api.focus(id);
+ }
+ if (config.legend_item_onmouseover) {
+ config.legend_item_onmouseover.call($$, id);
+ }
+ })
+ .on('mouseout', function (id) {
+ $$.d3.select(this).classed(CLASS.legendItemFocused, false);
+ $$.api.revert();
+ if (config.legend_item_onmouseout) {
+ config.legend_item_onmouseout.call($$, id);
+ }
+ });
+ l.append('text')
+ .text(function (id) { return isDefined(config.data_names[id]) ? config.data_names[id] : id; })
+ .each(function (id, i) { updatePositions(this, id, i); })
+ .style("pointer-events", "none")
+ .attr('x', $$.isLegendRight || $$.isLegendInset ? xForLegendText : -200)
+ .attr('y', $$.isLegendRight || $$.isLegendInset ? -200 : yForLegendText);
+ l.append('rect')
+ .attr("class", CLASS.legendItemEvent)
+ .style('fill-opacity', 0)
+ .attr('x', $$.isLegendRight || $$.isLegendInset ? xForLegendRect : -200)
+ .attr('y', $$.isLegendRight || $$.isLegendInset ? -200 : yForLegendRect);
+ l.append('rect')
+ .attr("class", CLASS.legendItemTile)
+ .style("pointer-events", "none")
+ .style('fill', $$.color)
+ .attr('x', $$.isLegendRight || $$.isLegendInset ? xForLegendText : -200)
+ .attr('y', $$.isLegendRight || $$.isLegendInset ? -200 : yForLegend)
+ .attr('width', 10)
+ .attr('height', 10);
+
+ // Set background for inset legend
+ background = $$.legend.select('.' + CLASS.legendBackground + ' rect');
+ if ($$.isLegendInset && maxWidth > 0 && background.size() === 0) {
+ background = $$.legend.insert('g', '.' + CLASS.legendItem)
+ .attr("class", CLASS.legendBackground)
+ .append('rect');
+ }
+
+ texts = $$.legend.selectAll('text')
+ .data(targetIds)
+ .text(function (id) { return isDefined(config.data_names[id]) ? config.data_names[id] : id; }) // MEMO: needed for update
+ .each(function (id, i) { updatePositions(this, id, i); });
+ (withTransition ? texts.transition() : texts)
+ .attr('x', xForLegendText)
+ .attr('y', yForLegendText);
+
+ rects = $$.legend.selectAll('rect.' + CLASS.legendItemEvent)
+ .data(targetIds);
+ (withTransition ? rects.transition() : rects)
+ .attr('width', function (id) { return widths[id]; })
+ .attr('height', function (id) { return heights[id]; })
+ .attr('x', xForLegendRect)
+ .attr('y', yForLegendRect);
+
+ tiles = $$.legend.selectAll('rect.' + CLASS.legendItemTile)
+ .data(targetIds);
+ (withTransition ? tiles.transition() : tiles)
+ .style('fill', $$.color)
+ .attr('x', xForLegend)
+ .attr('y', yForLegend);
+
+ if (background) {
+ (withTransition ? background.transition() : background)
+ .attr('height', $$.getLegendHeight() - 12)
+ .attr('width', maxWidth * (step + 1) + 10);
+ }
+
+ // toggle legend state
+ $$.legend.selectAll('.' + CLASS.legendItem)
+ .classed(CLASS.legendItemHidden, function (id) { return !$$.isTargetToShow(id); })
+ .transition()
+ .style('opacity', function (id) {
+ var This = $$.d3.select(this);
+ if ($$.isTargetToShow(id)) {
+ return !hasFocused || This.classed(CLASS.legendItemFocused) ? $$.opacityForLegend(This) : $$.opacityForUnfocusedLegend(This);
+ } else {
+ return null; // c3-legend-item-hidden will be applied
+ }
+ });
+
+ // Update all to reflect change of legend
+ $$.updateLegendItemWidth(maxWidth);
+ $$.updateLegendItemHeight(maxHeight);
+ $$.updateLegendStep(step);
+ // Update size and scale
+ $$.updateSizes();
+ $$.updateScales();
+ $$.updateSvgSize();
+ // Update g positions
+ $$.transformAll(withTransitionForTransform, transitions);
+ $$.legendHasRendered = true;
+ };
+
+ c3_chart_internal_fn.initAxis = function () {
+ var $$ = this, config = $$.config, main = $$.main;
+ $$.axes.x = main.append("g")
+ .attr("class", CLASS.axis + ' ' + CLASS.axisX)
+ .attr("clip-path", $$.clipPathForXAxis)
+ .attr("transform", $$.getTranslate('x'))
+ .style("visibility", config.axis_x_show ? 'visible' : 'hidden');
+ $$.axes.x.append("text")
+ .attr("class", CLASS.axisXLabel)
+ .attr("transform", config.axis_rotated ? "rotate(-90)" : "")
+ .style("text-anchor", $$.textAnchorForXAxisLabel.bind($$));
+
+ $$.axes.y = main.append("g")
+ .attr("class", CLASS.axis + ' ' + CLASS.axisY)
+ .attr("clip-path", config.axis_y_inner ? "" : $$.clipPathForYAxis)
+ .attr("transform", $$.getTranslate('y'))
+ .style("visibility", config.axis_y_show ? 'visible' : 'hidden');
+ $$.axes.y.append("text")
+ .attr("class", CLASS.axisYLabel)
+ .attr("transform", config.axis_rotated ? "" : "rotate(-90)")
+ .style("text-anchor", $$.textAnchorForYAxisLabel.bind($$));
+
+ $$.axes.y2 = main.append("g")
+ .attr("class", CLASS.axis + ' ' + CLASS.axisY2)
+ // clip-path?
+ .attr("transform", $$.getTranslate('y2'))
+ .style("visibility", config.axis_y2_show ? 'visible' : 'hidden');
+ $$.axes.y2.append("text")
+ .attr("class", CLASS.axisY2Label)
+ .attr("transform", config.axis_rotated ? "" : "rotate(-90)")
+ .style("text-anchor", $$.textAnchorForY2AxisLabel.bind($$));
+ };
+ c3_chart_internal_fn.getXAxis = function (scale, orient, tickFormat, tickValues, withOuterTick, withoutTransition) {
+ var $$ = this, config = $$.config,
+ axisParams = {
+ isCategory: $$.isCategorized(),
+ withOuterTick: withOuterTick,
+ tickMultiline: config.axis_x_tick_multiline,
+ tickWidth: config.axis_x_tick_width,
+ withoutTransition: withoutTransition,
+ },
+ axis = c3_axis($$.d3, axisParams).scale(scale).orient(orient);
+
+ if ($$.isTimeSeries() && tickValues) {
+ tickValues = tickValues.map(function (v) { return $$.parseDate(v); });
+ }
+
+ // Set tick
+ axis.tickFormat(tickFormat).tickValues(tickValues);
+ if ($$.isCategorized()) {
+ axis.tickCentered(config.axis_x_tick_centered);
+ if (isEmpty(config.axis_x_tick_culling)) {
+ config.axis_x_tick_culling = false;
+ }
+ } else {
+ // TODO: move this to c3_axis
+ axis.tickOffset = function () {
+ var scale = this.scale(),
+ edgeX = $$.getEdgeX($$.data.targets), diff = scale(edgeX[1]) - scale(edgeX[0]),
+ base = diff ? diff : (config.axis_rotated ? $$.height : $$.width);
+ return (base / $$.getMaxDataCount()) / 2;
+ };
+ }
+
+ return axis;
+ };
+ c3_chart_internal_fn.updateXAxisTickValues = function (targets, axis) {
+ var $$ = this, config = $$.config, tickValues;
+ if (config.axis_x_tick_fit || config.axis_x_tick_count) {
+ tickValues = $$.generateTickValues($$.mapTargetsToUniqueXs(targets), config.axis_x_tick_count, $$.isTimeSeries());
+ }
+ if (axis) {
+ axis.tickValues(tickValues);
+ } else {
+ $$.xAxis.tickValues(tickValues);
+ $$.subXAxis.tickValues(tickValues);
+ }
+ return tickValues;
+ };
+ c3_chart_internal_fn.getYAxis = function (scale, orient, tickFormat, tickValues, withOuterTick) {
+ var axisParams = {withOuterTick: withOuterTick},
+ axis = c3_axis(this.d3, axisParams).scale(scale).orient(orient).tickFormat(tickFormat);
+ if (this.isTimeSeriesY()) {
+ axis.ticks(this.d3.time[this.config.axis_y_tick_time_value], this.config.axis_y_tick_time_interval);
+ } else {
+ axis.tickValues(tickValues);
+ }
+ return axis;
+ };
+ c3_chart_internal_fn.getAxisId = function (id) {
+ var config = this.config;
+ return id in config.data_axes ? config.data_axes[id] : 'y';
+ };
+ c3_chart_internal_fn.getXAxisTickFormat = function () {
+ var $$ = this, config = $$.config,
+ format = $$.isTimeSeries() ? $$.defaultAxisTimeFormat : $$.isCategorized() ? $$.categoryName : function (v) { return v < 0 ? v.toFixed(0) : v; };
+ if (config.axis_x_tick_format) {
+ if (isFunction(config.axis_x_tick_format)) {
+ format = config.axis_x_tick_format;
+ } else if ($$.isTimeSeries()) {
+ format = function (date) {
+ return date ? $$.axisTimeFormat(config.axis_x_tick_format)(date) : "";
+ };
+ }
+ }
+ return isFunction(format) ? function (v) { return format.call($$, v); } : format;
+ };
+ c3_chart_internal_fn.getAxisTickValues = function (tickValues, axis) {
+ return tickValues ? tickValues : axis ? axis.tickValues() : undefined;
+ };
+ c3_chart_internal_fn.getXAxisTickValues = function () {
+ return this.getAxisTickValues(this.config.axis_x_tick_values, this.xAxis);
+ };
+ c3_chart_internal_fn.getYAxisTickValues = function () {
+ return this.getAxisTickValues(this.config.axis_y_tick_values, this.yAxis);
+ };
+ c3_chart_internal_fn.getY2AxisTickValues = function () {
+ return this.getAxisTickValues(this.config.axis_y2_tick_values, this.y2Axis);
+ };
+ c3_chart_internal_fn.getAxisLabelOptionByAxisId = function (axisId) {
+ var $$ = this, config = $$.config, option;
+ if (axisId === 'y') {
+ option = config.axis_y_label;
+ } else if (axisId === 'y2') {
+ option = config.axis_y2_label;
+ } else if (axisId === 'x') {
+ option = config.axis_x_label;
+ }
+ return option;
+ };
+ c3_chart_internal_fn.getAxisLabelText = function (axisId) {
+ var option = this.getAxisLabelOptionByAxisId(axisId);
+ return isString(option) ? option : option ? option.text : null;
+ };
+ c3_chart_internal_fn.setAxisLabelText = function (axisId, text) {
+ var $$ = this, config = $$.config,
+ option = $$.getAxisLabelOptionByAxisId(axisId);
+ if (isString(option)) {
+ if (axisId === 'y') {
+ config.axis_y_label = text;
+ } else if (axisId === 'y2') {
+ config.axis_y2_label = text;
+ } else if (axisId === 'x') {
+ config.axis_x_label = text;
+ }
+ } else if (option) {
+ option.text = text;
+ }
+ };
+ c3_chart_internal_fn.getAxisLabelPosition = function (axisId, defaultPosition) {
+ var option = this.getAxisLabelOptionByAxisId(axisId),
+ position = (option && typeof option === 'object' && option.position) ? option.position : defaultPosition;
+ return {
+ isInner: position.indexOf('inner') >= 0,
+ isOuter: position.indexOf('outer') >= 0,
+ isLeft: position.indexOf('left') >= 0,
+ isCenter: position.indexOf('center') >= 0,
+ isRight: position.indexOf('right') >= 0,
+ isTop: position.indexOf('top') >= 0,
+ isMiddle: position.indexOf('middle') >= 0,
+ isBottom: position.indexOf('bottom') >= 0
+ };
+ };
+ c3_chart_internal_fn.getXAxisLabelPosition = function () {
+ return this.getAxisLabelPosition('x', this.config.axis_rotated ? 'inner-top' : 'inner-right');
+ };
+ c3_chart_internal_fn.getYAxisLabelPosition = function () {
+ return this.getAxisLabelPosition('y', this.config.axis_rotated ? 'inner-right' : 'inner-top');
+ };
+ c3_chart_internal_fn.getY2AxisLabelPosition = function () {
+ return this.getAxisLabelPosition('y2', this.config.axis_rotated ? 'inner-right' : 'inner-top');
+ };
+ c3_chart_internal_fn.getAxisLabelPositionById = function (id) {
+ return id === 'y2' ? this.getY2AxisLabelPosition() : id === 'y' ? this.getYAxisLabelPosition() : this.getXAxisLabelPosition();
+ };
+ c3_chart_internal_fn.textForXAxisLabel = function () {
+ return this.getAxisLabelText('x');
+ };
+ c3_chart_internal_fn.textForYAxisLabel = function () {
+ return this.getAxisLabelText('y');
+ };
+ c3_chart_internal_fn.textForY2AxisLabel = function () {
+ return this.getAxisLabelText('y2');
+ };
+ c3_chart_internal_fn.xForAxisLabel = function (forHorizontal, position) {
+ var $$ = this;
+ if (forHorizontal) {
+ return position.isLeft ? 0 : position.isCenter ? $$.width / 2 : $$.width;
+ } else {
+ return position.isBottom ? -$$.height : position.isMiddle ? -$$.height / 2 : 0;
+ }
+ };
+ c3_chart_internal_fn.dxForAxisLabel = function (forHorizontal, position) {
+ if (forHorizontal) {
+ return position.isLeft ? "0.5em" : position.isRight ? "-0.5em" : "0";
+ } else {
+ return position.isTop ? "-0.5em" : position.isBottom ? "0.5em" : "0";
+ }
+ };
+ c3_chart_internal_fn.textAnchorForAxisLabel = function (forHorizontal, position) {
+ if (forHorizontal) {
+ return position.isLeft ? 'start' : position.isCenter ? 'middle' : 'end';
+ } else {
+ return position.isBottom ? 'start' : position.isMiddle ? 'middle' : 'end';
+ }
+ };
+ c3_chart_internal_fn.xForXAxisLabel = function () {
+ return this.xForAxisLabel(!this.config.axis_rotated, this.getXAxisLabelPosition());
+ };
+ c3_chart_internal_fn.xForYAxisLabel = function () {
+ return this.xForAxisLabel(this.config.axis_rotated, this.getYAxisLabelPosition());
+ };
+ c3_chart_internal_fn.xForY2AxisLabel = function () {
+ return this.xForAxisLabel(this.config.axis_rotated, this.getY2AxisLabelPosition());
+ };
+ c3_chart_internal_fn.dxForXAxisLabel = function () {
+ return this.dxForAxisLabel(!this.config.axis_rotated, this.getXAxisLabelPosition());
+ };
+ c3_chart_internal_fn.dxForYAxisLabel = function () {
+ return this.dxForAxisLabel(this.config.axis_rotated, this.getYAxisLabelPosition());
+ };
+ c3_chart_internal_fn.dxForY2AxisLabel = function () {
+ return this.dxForAxisLabel(this.config.axis_rotated, this.getY2AxisLabelPosition());
+ };
+ c3_chart_internal_fn.dyForXAxisLabel = function () {
+ var $$ = this, config = $$.config,
+ position = $$.getXAxisLabelPosition();
+ if (config.axis_rotated) {
+ return position.isInner ? "1.2em" : -25 - $$.getMaxTickWidth('x');
+ } else {
+ return position.isInner ? "-0.5em" : config.axis_x_height ? config.axis_x_height - 10 : "3em";
+ }
+ };
+ c3_chart_internal_fn.dyForYAxisLabel = function () {
+ var $$ = this,
+ position = $$.getYAxisLabelPosition();
+ if ($$.config.axis_rotated) {
+ return position.isInner ? "-0.5em" : "3em";
+ } else {
+ return position.isInner ? "1.2em" : -10 - ($$.config.axis_y_inner ? 0 : ($$.getMaxTickWidth('y') + 10));
+ }
+ };
+ c3_chart_internal_fn.dyForY2AxisLabel = function () {
+ var $$ = this,
+ position = $$.getY2AxisLabelPosition();
+ if ($$.config.axis_rotated) {
+ return position.isInner ? "1.2em" : "-2.2em";
+ } else {
+ return position.isInner ? "-0.5em" : 15 + ($$.config.axis_y2_inner ? 0 : (this.getMaxTickWidth('y2') + 15));
+ }
+ };
+ c3_chart_internal_fn.textAnchorForXAxisLabel = function () {
+ var $$ = this;
+ return $$.textAnchorForAxisLabel(!$$.config.axis_rotated, $$.getXAxisLabelPosition());
+ };
+ c3_chart_internal_fn.textAnchorForYAxisLabel = function () {
+ var $$ = this;
+ return $$.textAnchorForAxisLabel($$.config.axis_rotated, $$.getYAxisLabelPosition());
+ };
+ c3_chart_internal_fn.textAnchorForY2AxisLabel = function () {
+ var $$ = this;
+ return $$.textAnchorForAxisLabel($$.config.axis_rotated, $$.getY2AxisLabelPosition());
+ };
+
+ c3_chart_internal_fn.xForRotatedTickText = function (r) {
+ return 8 * Math.sin(Math.PI * (r / 180));
+ };
+ c3_chart_internal_fn.yForRotatedTickText = function (r) {
+ return 11.5 - 2.5 * (r / 15) * (r > 0 ? 1 : -1);
+ };
+ c3_chart_internal_fn.rotateTickText = function (axis, transition, rotate) {
+ axis.selectAll('.tick text')
+ .style("text-anchor", rotate > 0 ? "start" : "end");
+ transition.selectAll('.tick text')
+ .attr("y", this.yForRotatedTickText(rotate))
+ .attr("transform", "rotate(" + rotate + ")")
+ .selectAll('tspan')
+ .attr('dx', this.xForRotatedTickText(rotate));
+ };
+
+ c3_chart_internal_fn.getMaxTickWidth = function (id, withoutRecompute) {
+ var $$ = this, config = $$.config,
+ maxWidth = 0, targetsToShow, scale, axis, body, svg;
+ if (withoutRecompute && $$.currentMaxTickWidths[id]) {
+ return $$.currentMaxTickWidths[id];
+ }
+ if ($$.svg) {
+ targetsToShow = $$.filterTargetsToShow($$.data.targets);
+ if (id === 'y') {
+ scale = $$.y.copy().domain($$.getYDomain(targetsToShow, 'y'));
+ axis = $$.getYAxis(scale, $$.yOrient, config.axis_y_tick_format, $$.yAxisTickValues);
+ } else if (id === 'y2') {
+ scale = $$.y2.copy().domain($$.getYDomain(targetsToShow, 'y2'));
+ axis = $$.getYAxis(scale, $$.y2Orient, config.axis_y2_tick_format, $$.y2AxisTickValues);
+ } else {
+ scale = $$.x.copy().domain($$.getXDomain(targetsToShow));
+ axis = $$.getXAxis(scale, $$.xOrient, $$.xAxisTickFormat, $$.xAxisTickValues);
+ $$.updateXAxisTickValues(targetsToShow, axis);
+ }
+ body = this.d3.select('body').classed('c3', true);
+ svg = body.append('svg').style('visibility', 'hidden');
+ svg.append('g').call(axis).each(function () {
+ $$.d3.select(this).selectAll('text tspan').each(function () {
+ var box = this.getBoundingClientRect();
+ if (box.left >= 0 && maxWidth < box.width) { maxWidth = box.width; }
+ });
+ });
+ // TODO: time lag to get maxWidth
+ window.setTimeout(function () {
+ svg.remove();
+ }, 100);
+ body.classed('c3', false);
+ }
+ $$.currentMaxTickWidths[id] = maxWidth <= 0 ? $$.currentMaxTickWidths[id] : maxWidth;
+ return $$.currentMaxTickWidths[id];
+ };
+
+ c3_chart_internal_fn.updateAxisLabels = function (withTransition) {
+ var $$ = this;
+ var axisXLabel = $$.main.select('.' + CLASS.axisX + ' .' + CLASS.axisXLabel),
+ axisYLabel = $$.main.select('.' + CLASS.axisY + ' .' + CLASS.axisYLabel),
+ axisY2Label = $$.main.select('.' + CLASS.axisY2 + ' .' + CLASS.axisY2Label);
+ (withTransition ? axisXLabel.transition() : axisXLabel)
+ .attr("x", $$.xForXAxisLabel.bind($$))
+ .attr("dx", $$.dxForXAxisLabel.bind($$))
+ .attr("dy", $$.dyForXAxisLabel.bind($$))
+ .text($$.textForXAxisLabel.bind($$));
+ (withTransition ? axisYLabel.transition() : axisYLabel)
+ .attr("x", $$.xForYAxisLabel.bind($$))
+ .attr("dx", $$.dxForYAxisLabel.bind($$))
+ .attr("dy", $$.dyForYAxisLabel.bind($$))
+ .text($$.textForYAxisLabel.bind($$));
+ (withTransition ? axisY2Label.transition() : axisY2Label)
+ .attr("x", $$.xForY2AxisLabel.bind($$))
+ .attr("dx", $$.dxForY2AxisLabel.bind($$))
+ .attr("dy", $$.dyForY2AxisLabel.bind($$))
+ .text($$.textForY2AxisLabel.bind($$));
+ };
+
+ c3_chart_internal_fn.getAxisPadding = function (padding, key, defaultValue, domainLength) {
+ if (!isValue(padding[key])) {
+ return defaultValue;
+ }
+ if (padding.unit === 'ratio') {
+ return padding[key] * domainLength;
+ }
+ // assume padding is pixels if unit is not specified
+ return this.convertPixelsToAxisPadding(padding[key], domainLength);
+ };
+ c3_chart_internal_fn.convertPixelsToAxisPadding = function (pixels, domainLength) {
+ var length = this.config.axis_rotated ? this.width : this.height;
+ return domainLength * (pixels / length);
+ };
+
+ c3_chart_internal_fn.generateTickValues = function (values, tickCount, forTimeSeries) {
+ var tickValues = values, targetCount, start, end, count, interval, i, tickValue;
+ if (tickCount) {
+ targetCount = isFunction(tickCount) ? tickCount() : tickCount;
+ // compute ticks according to tickCount
+ if (targetCount === 1) {
+ tickValues = [values[0]];
+ } else if (targetCount === 2) {
+ tickValues = [values[0], values[values.length - 1]];
+ } else if (targetCount > 2) {
+ count = targetCount - 2;
+ start = values[0];
+ end = values[values.length - 1];
+ interval = (end - start) / (count + 1);
+ // re-construct unique values
+ tickValues = [start];
+ for (i = 0; i < count; i++) {
+ tickValue = +start + interval * (i + 1);
+ tickValues.push(forTimeSeries ? new Date(tickValue) : tickValue);
+ }
+ tickValues.push(end);
+ }
+ }
+ if (!forTimeSeries) { tickValues = tickValues.sort(function (a, b) { return a - b; }); }
+ return tickValues;
+ };
+ c3_chart_internal_fn.generateAxisTransitions = function (duration) {
+ var $$ = this, axes = $$.axes;
+ return {
+ axisX: duration ? axes.x.transition().duration(duration) : axes.x,
+ axisY: duration ? axes.y.transition().duration(duration) : axes.y,
+ axisY2: duration ? axes.y2.transition().duration(duration) : axes.y2,
+ axisSubX: duration ? axes.subx.transition().duration(duration) : axes.subx
+ };
+ };
+ c3_chart_internal_fn.redrawAxis = function (transitions, isHidden) {
+ var $$ = this, config = $$.config;
+ $$.axes.x.style("opacity", isHidden ? 0 : 1);
+ $$.axes.y.style("opacity", isHidden ? 0 : 1);
+ $$.axes.y2.style("opacity", isHidden ? 0 : 1);
+ $$.axes.subx.style("opacity", isHidden ? 0 : 1);
+ transitions.axisX.call($$.xAxis);
+ transitions.axisY.call($$.yAxis);
+ transitions.axisY2.call($$.y2Axis);
+ transitions.axisSubX.call($$.subXAxis);
+ // rotate tick text if needed
+ if (!config.axis_rotated && config.axis_x_tick_rotate) {
+ $$.rotateTickText($$.axes.x, transitions.axisX, config.axis_x_tick_rotate);
+ $$.rotateTickText($$.axes.subx, transitions.axisSubX, config.axis_x_tick_rotate);
+ }
+ };
+
+ c3_chart_internal_fn.getClipPath = function (id) {
+ var isIE9 = window.navigator.appVersion.toLowerCase().indexOf("msie 9.") >= 0;
+ return "url(" + (isIE9 ? "" : document.URL.split('#')[0]) + "#" + id + ")";
+ };
+ c3_chart_internal_fn.appendClip = function (parent, id) {
+ return parent.append("clipPath").attr("id", id).append("rect");
+ };
+ c3_chart_internal_fn.getAxisClipX = function (forHorizontal) {
+ // axis line width + padding for left
+ var left = Math.max(30, this.margin.left);
+ return forHorizontal ? -(1 + left) : -(left - 1);
+ };
+ c3_chart_internal_fn.getAxisClipY = function (forHorizontal) {
+ return forHorizontal ? -20 : -this.margin.top;
+ };
+ c3_chart_internal_fn.getXAxisClipX = function () {
+ var $$ = this;
+ return $$.getAxisClipX(!$$.config.axis_rotated);
+ };
+ c3_chart_internal_fn.getXAxisClipY = function () {
+ var $$ = this;
+ return $$.getAxisClipY(!$$.config.axis_rotated);
+ };
+ c3_chart_internal_fn.getYAxisClipX = function () {
+ var $$ = this;
+ return $$.config.axis_y_inner ? -1 : $$.getAxisClipX($$.config.axis_rotated);
+ };
+ c3_chart_internal_fn.getYAxisClipY = function () {
+ var $$ = this;
+ return $$.getAxisClipY($$.config.axis_rotated);
+ };
+ c3_chart_internal_fn.getAxisClipWidth = function (forHorizontal) {
+ var $$ = this,
+ left = Math.max(30, $$.margin.left),
+ right = Math.max(30, $$.margin.right);
+ // width + axis line width + padding for left/right
+ return forHorizontal ? $$.width + 2 + left + right : $$.margin.left + 20;
+ };
+ c3_chart_internal_fn.getAxisClipHeight = function (forHorizontal) {
+ // less than 20 is not enough to show the axis label 'outer' without legend
+ return (forHorizontal ? this.margin.bottom : (this.margin.top + this.height)) + 20;
+ };
+ c3_chart_internal_fn.getXAxisClipWidth = function () {
+ var $$ = this;
+ return $$.getAxisClipWidth(!$$.config.axis_rotated);
+ };
+ c3_chart_internal_fn.getXAxisClipHeight = function () {
+ var $$ = this;
+ return $$.getAxisClipHeight(!$$.config.axis_rotated);
+ };
+ c3_chart_internal_fn.getYAxisClipWidth = function () {
+ var $$ = this;
+ return $$.getAxisClipWidth($$.config.axis_rotated) + ($$.config.axis_y_inner ? 20 : 0);
+ };
+ c3_chart_internal_fn.getYAxisClipHeight = function () {
+ var $$ = this;
+ return $$.getAxisClipHeight($$.config.axis_rotated);
+ };
+
+ c3_chart_internal_fn.initPie = function () {
+ var $$ = this, d3 = $$.d3, config = $$.config;
+ $$.pie = d3.layout.pie().value(function (d) {
+ return d.values.reduce(function (a, b) { return a + b.value; }, 0);
+ });
+ if (!config.data_order) {
+ $$.pie.sort(null);
+ }
+ };
+
+ c3_chart_internal_fn.updateRadius = function () {
+ var $$ = this, config = $$.config,
+ w = config.gauge_width || config.donut_width;
+ $$.radiusExpanded = Math.min($$.arcWidth, $$.arcHeight) / 2;
+ $$.radius = $$.radiusExpanded * 0.95;
+ $$.innerRadiusRatio = w ? ($$.radius - w) / $$.radius : 0.6;
+ $$.innerRadius = $$.hasType('donut') || $$.hasType('gauge') ? $$.radius * $$.innerRadiusRatio : 0;
+ };
+
+ c3_chart_internal_fn.updateArc = function () {
+ var $$ = this;
+ $$.svgArc = $$.getSvgArc();
+ $$.svgArcExpanded = $$.getSvgArcExpanded();
+ $$.svgArcExpandedSub = $$.getSvgArcExpanded(0.98);
+ };
+
+ c3_chart_internal_fn.updateAngle = function (d) {
+ var $$ = this, config = $$.config,
+ found = false, index = 0,
+ gMin = config.gauge_min, gMax = config.gauge_max, gTic, gValue;
+ $$.pie($$.filterTargetsToShow($$.data.targets)).forEach(function (t) {
+ if (! found && t.data.id === d.data.id) {
+ found = true;
+ d = t;
+ d.index = index;
+ }
+ index++;
+ });
+ if (isNaN(d.endAngle)) {
+ d.endAngle = d.startAngle;
+ }
+ if ($$.isGaugeType(d.data)) {
+ gTic = (Math.PI) / (gMax - gMin);
+ gValue = d.value < gMin ? 0 : d.value < gMax ? d.value - gMin : (gMax - gMin);
+ d.startAngle = -1 * (Math.PI / 2);
+ d.endAngle = d.startAngle + gTic * gValue;
+ }
+ return found ? d : null;
+ };
+
+ c3_chart_internal_fn.getSvgArc = function () {
+ var $$ = this,
+ arc = $$.d3.svg.arc().outerRadius($$.radius).innerRadius($$.innerRadius),
+ newArc = function (d, withoutUpdate) {
+ var updated;
+ if (withoutUpdate) { return arc(d); } // for interpolate
+ updated = $$.updateAngle(d);
+ return updated ? arc(updated) : "M 0 0";
+ };
+ // TODO: extends all function
+ newArc.centroid = arc.centroid;
+ return newArc;
+ };
+
+ c3_chart_internal_fn.getSvgArcExpanded = function (rate) {
+ var $$ = this,
+ arc = $$.d3.svg.arc().outerRadius($$.radiusExpanded * (rate ? rate : 1)).innerRadius($$.innerRadius);
+ return function (d) {
+ var updated = $$.updateAngle(d);
+ return updated ? arc(updated) : "M 0 0";
+ };
+ };
+
+ c3_chart_internal_fn.getArc = function (d, withoutUpdate, force) {
+ return force || this.isArcType(d.data) ? this.svgArc(d, withoutUpdate) : "M 0 0";
+ };
+
+
+ c3_chart_internal_fn.transformForArcLabel = function (d) {
+ var $$ = this,
+ updated = $$.updateAngle(d), c, x, y, h, ratio, translate = "";
+ if (updated && !$$.hasType('gauge')) {
+ c = this.svgArc.centroid(updated);
+ x = isNaN(c[0]) ? 0 : c[0];
+ y = isNaN(c[1]) ? 0 : c[1];
+ h = Math.sqrt(x * x + y * y);
+ // TODO: ratio should be an option?
+ ratio = $$.radius && h ? (36 / $$.radius > 0.375 ? 1.175 - 36 / $$.radius : 0.8) * $$.radius / h : 0;
+ translate = "translate(" + (x * ratio) + ',' + (y * ratio) + ")";
+ }
+ return translate;
+ };
+
+ c3_chart_internal_fn.getArcRatio = function (d) {
+ var $$ = this,
+ whole = $$.hasType('gauge') ? Math.PI : (Math.PI * 2);
+ return d ? (d.endAngle - d.startAngle) / whole : null;
+ };
+
+ c3_chart_internal_fn.convertToArcData = function (d) {
+ return this.addName({
+ id: d.data.id,
+ value: d.value,
+ ratio: this.getArcRatio(d),
+ index: d.index
+ });
+ };
+
+ c3_chart_internal_fn.textForArcLabel = function (d) {
+ var $$ = this,
+ updated, value, ratio, id, format;
+ if (! $$.shouldShowArcLabel()) { return ""; }
+ updated = $$.updateAngle(d);
+ value = updated ? updated.value : null;
+ ratio = $$.getArcRatio(updated);
+ id = d.data.id;
+ if (! $$.hasType('gauge') && ! $$.meetsArcLabelThreshold(ratio)) { return ""; }
+ format = $$.getArcLabelFormat();
+ return format ? format(value, ratio, id) : $$.defaultArcValueFormat(value, ratio);
+ };
+
+ c3_chart_internal_fn.expandArc = function (targetIds) {
+ var $$ = this, interval;
+
+ // MEMO: avoid to cancel transition
+ if ($$.transiting) {
+ interval = window.setInterval(function () {
+ if (!$$.transiting) {
+ window.clearInterval(interval);
+ if ($$.legend.selectAll('.c3-legend-item-focused').size() > 0) {
+ $$.expandArc(targetIds);
+ }
+ }
+ }, 10);
+ return;
+ }
+
+ targetIds = $$.mapToTargetIds(targetIds);
+
+ $$.svg.selectAll($$.selectorTargets(targetIds, '.' + CLASS.chartArc)).each(function (d) {
+ if (! $$.shouldExpand(d.data.id)) { return; }
+ $$.d3.select(this).selectAll('path')
+ .transition().duration(50)
+ .attr("d", $$.svgArcExpanded)
+ .transition().duration(100)
+ .attr("d", $$.svgArcExpandedSub)
+ .each(function (d) {
+ if ($$.isDonutType(d.data)) {
+ // callback here
+ }
+ });
+ });
+ };
+
+ c3_chart_internal_fn.unexpandArc = function (targetIds) {
+ var $$ = this;
+
+ if ($$.transiting) { return; }
+
+ targetIds = $$.mapToTargetIds(targetIds);
+
+ $$.svg.selectAll($$.selectorTargets(targetIds, '.' + CLASS.chartArc)).selectAll('path')
+ .transition().duration(50)
+ .attr("d", $$.svgArc);
+ $$.svg.selectAll('.' + CLASS.arc)
+ .style("opacity", 1);
+ };
+
+ c3_chart_internal_fn.shouldExpand = function (id) {
+ var $$ = this, config = $$.config;
+ return ($$.isDonutType(id) && config.donut_expand) || ($$.isGaugeType(id) && config.gauge_expand) || ($$.isPieType(id) && config.pie_expand);
+ };
+
+ c3_chart_internal_fn.shouldShowArcLabel = function () {
+ var $$ = this, config = $$.config, shouldShow = true;
+ if ($$.hasType('donut')) {
+ shouldShow = config.donut_label_show;
+ } else if ($$.hasType('pie')) {
+ shouldShow = config.pie_label_show;
+ }
+ // when gauge, always true
+ return shouldShow;
+ };
+
+ c3_chart_internal_fn.meetsArcLabelThreshold = function (ratio) {
+ var $$ = this, config = $$.config,
+ threshold = $$.hasType('donut') ? config.donut_label_threshold : config.pie_label_threshold;
+ return ratio >= threshold;
+ };
+
+ c3_chart_internal_fn.getArcLabelFormat = function () {
+ var $$ = this, config = $$.config,
+ format = config.pie_label_format;
+ if ($$.hasType('gauge')) {
+ format = config.gauge_label_format;
+ } else if ($$.hasType('donut')) {
+ format = config.donut_label_format;
+ }
+ return format;
+ };
+
+ c3_chart_internal_fn.getArcTitle = function () {
+ var $$ = this;
+ return $$.hasType('donut') ? $$.config.donut_title : "";
+ };
+
+ c3_chart_internal_fn.updateTargetsForArc = function (targets) {
+ var $$ = this, main = $$.main,
+ mainPieUpdate, mainPieEnter,
+ classChartArc = $$.classChartArc.bind($$),
+ classArcs = $$.classArcs.bind($$),
+ classFocus = $$.classFocus.bind($$);
+ mainPieUpdate = main.select('.' + CLASS.chartArcs).selectAll('.' + CLASS.chartArc)
+ .data($$.pie(targets))
+ .attr("class", function (d) { return classChartArc(d) + classFocus(d.data); });
+ mainPieEnter = mainPieUpdate.enter().append("g")
+ .attr("class", classChartArc);
+ mainPieEnter.append('g')
+ .attr('class', classArcs);
+ mainPieEnter.append("text")
+ .attr("dy", $$.hasType('gauge') ? "-.1em" : ".35em")
+ .style("opacity", 0)
+ .style("text-anchor", "middle")
+ .style("pointer-events", "none");
+ // MEMO: can not keep same color..., but not bad to update color in redraw
+ //mainPieUpdate.exit().remove();
+ };
+
+ c3_chart_internal_fn.initArc = function () {
+ var $$ = this;
+ $$.arcs = $$.main.select('.' + CLASS.chart).append("g")
+ .attr("class", CLASS.chartArcs)
+ .attr("transform", $$.getTranslate('arc'));
+ $$.arcs.append('text')
+ .attr('class', CLASS.chartArcsTitle)
+ .style("text-anchor", "middle")
+ .text($$.getArcTitle());
+ };
+
+ c3_chart_internal_fn.redrawArc = function (duration, durationForExit, withTransform) {
+ var $$ = this, d3 = $$.d3, config = $$.config, main = $$.main,
+ mainArc;
+ mainArc = main.selectAll('.' + CLASS.arcs).selectAll('.' + CLASS.arc)
+ .data($$.arcData.bind($$));
+ mainArc.enter().append('path')
+ .attr("class", $$.classArc.bind($$))
+ .style("fill", function (d) { return $$.color(d.data); })
+ .style("cursor", function (d) { return config.interaction_enabled && config.data_selection_isselectable(d) ? "pointer" : null; })
+ .style("opacity", 0)
+ .each(function (d) {
+ if ($$.isGaugeType(d.data)) {
+ d.startAngle = d.endAngle = -1 * (Math.PI / 2);
+ }
+ this._current = d;
+ });
+ mainArc
+ .attr("transform", function (d) { return !$$.isGaugeType(d.data) && withTransform ? "scale(0)" : ""; })
+ .style("opacity", function (d) { return d === this._current ? 0 : 1; })
+ .on('mouseover', config.interaction_enabled ? function (d) {
+ var updated, arcData;
+ if ($$.transiting) { // skip while transiting
+ return;
+ }
+ updated = $$.updateAngle(d);
+ arcData = $$.convertToArcData(updated);
+ // transitions
+ $$.expandArc(updated.data.id);
+ $$.api.focus(updated.data.id);
+ $$.toggleFocusLegend(updated.data.id, true);
+ $$.config.data_onmouseover(arcData, this);
+ } : null)
+ .on('mousemove', config.interaction_enabled ? function (d) {
+ var updated = $$.updateAngle(d),
+ arcData = $$.convertToArcData(updated),
+ selectedData = [arcData];
+ $$.showTooltip(selectedData, this);
+ } : null)
+ .on('mouseout', config.interaction_enabled ? function (d) {
+ var updated, arcData;
+ if ($$.transiting) { // skip while transiting
+ return;
+ }
+ updated = $$.updateAngle(d);
+ arcData = $$.convertToArcData(updated);
+ // transitions
+ $$.unexpandArc(updated.data.id);
+ $$.api.revert();
+ $$.revertLegend();
+ $$.hideTooltip();
+ $$.config.data_onmouseout(arcData, this);
+ } : null)
+ .on('click', config.interaction_enabled ? function (d, i) {
+ var updated = $$.updateAngle(d),
+ arcData = $$.convertToArcData(updated);
+ if ($$.toggleShape) { $$.toggleShape(this, arcData, i); }
+ $$.config.data_onclick.call($$.api, arcData, this);
+ } : null)
+ .each(function () { $$.transiting = true; })
+ .transition().duration(duration)
+ .attrTween("d", function (d) {
+ var updated = $$.updateAngle(d), interpolate;
+ if (! updated) {
+ return function () { return "M 0 0"; };
+ }
+ // if (this._current === d) {
+ // this._current = {
+ // startAngle: Math.PI*2,
+ // endAngle: Math.PI*2,
+ // };
+ // }
+ if (isNaN(this._current.endAngle)) {
+ this._current.endAngle = this._current.startAngle;
+ }
+ interpolate = d3.interpolate(this._current, updated);
+ this._current = interpolate(0);
+ return function (t) {
+ var interpolated = interpolate(t);
+ interpolated.data = d.data; // data.id will be updated by interporator
+ return $$.getArc(interpolated, true);
+ };
+ })
+ .attr("transform", withTransform ? "scale(1)" : "")
+ .style("fill", function (d) {
+ return $$.levelColor ? $$.levelColor(d.data.values[0].value) : $$.color(d.data.id);
+ }) // Where gauge reading color would receive customization.
+ .style("opacity", 1)
+ .call($$.endall, function () {
+ $$.transiting = false;
+ });
+ mainArc.exit().transition().duration(durationForExit)
+ .style('opacity', 0)
+ .remove();
+ main.selectAll('.' + CLASS.chartArc).select('text')
+ .style("opacity", 0)
+ .attr('class', function (d) { return $$.isGaugeType(d.data) ? CLASS.gaugeValue : ''; })
+ .text($$.textForArcLabel.bind($$))
+ .attr("transform", $$.transformForArcLabel.bind($$))
+ .style('font-size', function (d) { return $$.isGaugeType(d.data) ? Math.round($$.radius / 5) + 'px' : ''; })
+ .transition().duration(duration)
+ .style("opacity", function (d) { return $$.isTargetToShow(d.data.id) && $$.isArcType(d.data) ? 1 : 0; });
+ main.select('.' + CLASS.chartArcsTitle)
+ .style("opacity", $$.hasType('donut') || $$.hasType('gauge') ? 1 : 0);
+
+ if ($$.hasType('gauge')) {
+ $$.arcs.select('.' + CLASS.chartArcsBackground)
+ .attr("d", function () {
+ var d = {
+ data: [{value: config.gauge_max}],
+ startAngle: -1 * (Math.PI / 2),
+ endAngle: Math.PI / 2
+ };
+ return $$.getArc(d, true, true);
+ });
+ $$.arcs.select('.' + CLASS.chartArcsGaugeUnit)
+ .attr("dy", ".75em")
+ .text(config.gauge_label_show ? config.gauge_units : '');
+ $$.arcs.select('.' + CLASS.chartArcsGaugeMin)
+ .attr("dx", -1 * ($$.innerRadius + (($$.radius - $$.innerRadius) / 2)) + "px")
+ .attr("dy", "1.2em")
+ .text(config.gauge_label_show ? config.gauge_min : '');
+ $$.arcs.select('.' + CLASS.chartArcsGaugeMax)
+ .attr("dx", $$.innerRadius + (($$.radius - $$.innerRadius) / 2) + "px")
+ .attr("dy", "1.2em")
+ .text(config.gauge_label_show ? config.gauge_max : '');
+ }
+ };
+ c3_chart_internal_fn.initGauge = function () {
+ var arcs = this.arcs;
+ if (this.hasType('gauge')) {
+ arcs.append('path')
+ .attr("class", CLASS.chartArcsBackground);
+ arcs.append("text")
+ .attr("class", CLASS.chartArcsGaugeUnit)
+ .style("text-anchor", "middle")
+ .style("pointer-events", "none");
+ arcs.append("text")
+ .attr("class", CLASS.chartArcsGaugeMin)
+ .style("text-anchor", "middle")
+ .style("pointer-events", "none");
+ arcs.append("text")
+ .attr("class", CLASS.chartArcsGaugeMax)
+ .style("text-anchor", "middle")
+ .style("pointer-events", "none");
+ }
+ };
+ c3_chart_internal_fn.getGaugeLabelHeight = function () {
+ return this.config.gauge_label_show ? 20 : 0;
+ };
+
+ c3_chart_internal_fn.initRegion = function () {
+ var $$ = this;
+ $$.region = $$.main.append('g')
+ .attr("clip-path", $$.clipPath)
+ .attr("class", CLASS.regions);
+ };
+ c3_chart_internal_fn.updateRegion = function (duration) {
+ var $$ = this, config = $$.config;
+
+ // hide if arc type
+ $$.region.style('visibility', $$.hasArcType() ? 'hidden' : 'visible');
+
+ $$.mainRegion = $$.main.select('.' + CLASS.regions).selectAll('.' + CLASS.region)
+ .data(config.regions);
+ $$.mainRegion.enter().append('g')
+ .attr('class', $$.classRegion.bind($$))
+ .append('rect')
+ .style("fill-opacity", 0);
+ $$.mainRegion.exit().transition().duration(duration)
+ .style("opacity", 0)
+ .remove();
+ };
+ c3_chart_internal_fn.redrawRegion = function (withTransition) {
+ var $$ = this,
+ regions = $$.mainRegion.selectAll('rect'),
+ x = $$.regionX.bind($$),
+ y = $$.regionY.bind($$),
+ w = $$.regionWidth.bind($$),
+ h = $$.regionHeight.bind($$);
+ return [
+ (withTransition ? regions.transition() : regions)
+ .attr("x", x)
+ .attr("y", y)
+ .attr("width", w)
+ .attr("height", h)
+ .style("fill-opacity", function (d) { return isValue(d.opacity) ? d.opacity : 0.1; })
+ ];
+ };
+ c3_chart_internal_fn.regionX = function (d) {
+ var $$ = this, config = $$.config,
+ xPos, yScale = d.axis === 'y' ? $$.y : $$.y2;
+ if (d.axis === 'y' || d.axis === 'y2') {
+ xPos = config.axis_rotated ? ('start' in d ? yScale(d.start) : 0) : 0;
+ } else {
+ xPos = config.axis_rotated ? 0 : ('start' in d ? $$.x($$.isTimeSeries() ? $$.parseDate(d.start) : d.start) : 0);
+ }
+ return xPos;
+ };
+ c3_chart_internal_fn.regionY = function (d) {
+ var $$ = this, config = $$.config,
+ yPos, yScale = d.axis === 'y' ? $$.y : $$.y2;
+ if (d.axis === 'y' || d.axis === 'y2') {
+ yPos = config.axis_rotated ? 0 : ('end' in d ? yScale(d.end) : 0);
+ } else {
+ yPos = config.axis_rotated ? ('start' in d ? $$.x($$.isTimeSeries() ? $$.parseDate(d.start) : d.start) : 0) : 0;
+ }
+ return yPos;
+ };
+ c3_chart_internal_fn.regionWidth = function (d) {
+ var $$ = this, config = $$.config,
+ start = $$.regionX(d), end, yScale = d.axis === 'y' ? $$.y : $$.y2;
+ if (d.axis === 'y' || d.axis === 'y2') {
+ end = config.axis_rotated ? ('end' in d ? yScale(d.end) : $$.width) : $$.width;
+ } else {
+ end = config.axis_rotated ? $$.width : ('end' in d ? $$.x($$.isTimeSeries() ? $$.parseDate(d.end) : d.end) : $$.width);
+ }
+ return end < start ? 0 : end - start;
+ };
+ c3_chart_internal_fn.regionHeight = function (d) {
+ var $$ = this, config = $$.config,
+ start = this.regionY(d), end, yScale = d.axis === 'y' ? $$.y : $$.y2;
+ if (d.axis === 'y' || d.axis === 'y2') {
+ end = config.axis_rotated ? $$.height : ('start' in d ? yScale(d.start) : $$.height);
+ } else {
+ end = config.axis_rotated ? ('end' in d ? $$.x($$.isTimeSeries() ? $$.parseDate(d.end) : d.end) : $$.height) : $$.height;
+ }
+ return end < start ? 0 : end - start;
+ };
+ c3_chart_internal_fn.isRegionOnX = function (d) {
+ return !d.axis || d.axis === 'x';
+ };
+
+ c3_chart_internal_fn.drag = function (mouse) {
+ var $$ = this, config = $$.config, main = $$.main, d3 = $$.d3;
+ var sx, sy, mx, my, minX, maxX, minY, maxY;
+
+ if ($$.hasArcType()) { return; }
+ if (! config.data_selection_enabled) { return; } // do nothing if not selectable
+ if (config.zoom_enabled && ! $$.zoom.altDomain) { return; } // skip if zoomable because of conflict drag dehavior
+ if (!config.data_selection_multiple) { return; } // skip when single selection because drag is used for multiple selection
+
+ sx = $$.dragStart[0];
+ sy = $$.dragStart[1];
+ mx = mouse[0];
+ my = mouse[1];
+ minX = Math.min(sx, mx);
+ maxX = Math.max(sx, mx);
+ minY = (config.data_selection_grouped) ? $$.margin.top : Math.min(sy, my);
+ maxY = (config.data_selection_grouped) ? $$.height : Math.max(sy, my);
+
+ main.select('.' + CLASS.dragarea)
+ .attr('x', minX)
+ .attr('y', minY)
+ .attr('width', maxX - minX)
+ .attr('height', maxY - minY);
+ // TODO: binary search when multiple xs
+ main.selectAll('.' + CLASS.shapes).selectAll('.' + CLASS.shape)
+ .filter(function (d) { return config.data_selection_isselectable(d); })
+ .each(function (d, i) {
+ var shape = d3.select(this),
+ isSelected = shape.classed(CLASS.SELECTED),
+ isIncluded = shape.classed(CLASS.INCLUDED),
+ _x, _y, _w, _h, toggle, isWithin = false, box;
+ if (shape.classed(CLASS.circle)) {
+ _x = shape.attr("cx") * 1;
+ _y = shape.attr("cy") * 1;
+ toggle = $$.togglePoint;
+ isWithin = minX < _x && _x < maxX && minY < _y && _y < maxY;
+ }
+ else if (shape.classed(CLASS.bar)) {
+ box = getPathBox(this);
+ _x = box.x;
+ _y = box.y;
+ _w = box.width;
+ _h = box.height;
+ toggle = $$.togglePath;
+ isWithin = !(maxX < _x || _x + _w < minX) && !(maxY < _y || _y + _h < minY);
+ } else {
+ // line/area selection not supported yet
+ return;
+ }
+ if (isWithin ^ isIncluded) {
+ shape.classed(CLASS.INCLUDED, !isIncluded);
+ // TODO: included/unincluded callback here
+ shape.classed(CLASS.SELECTED, !isSelected);
+ toggle.call($$, !isSelected, shape, d, i);
+ }
+ });
+ };
+
+ c3_chart_internal_fn.dragstart = function (mouse) {
+ var $$ = this, config = $$.config;
+ if ($$.hasArcType()) { return; }
+ if (! config.data_selection_enabled) { return; } // do nothing if not selectable
+ $$.dragStart = mouse;
+ $$.main.select('.' + CLASS.chart).append('rect')
+ .attr('class', CLASS.dragarea)
+ .style('opacity', 0.1);
+ $$.dragging = true;
+ };
+
+ c3_chart_internal_fn.dragend = function () {
+ var $$ = this, config = $$.config;
+ if ($$.hasArcType()) { return; }
+ if (! config.data_selection_enabled) { return; } // do nothing if not selectable
+ $$.main.select('.' + CLASS.dragarea)
+ .transition().duration(100)
+ .style('opacity', 0)
+ .remove();
+ $$.main.selectAll('.' + CLASS.shape)
+ .classed(CLASS.INCLUDED, false);
+ $$.dragging = false;
+ };
+
+ c3_chart_internal_fn.selectPoint = function (target, d, i) {
+ var $$ = this, config = $$.config,
+ cx = (config.axis_rotated ? $$.circleY : $$.circleX).bind($$),
+ cy = (config.axis_rotated ? $$.circleX : $$.circleY).bind($$),
+ r = $$.pointSelectR.bind($$);
+ config.data_onselected.call($$.api, d, target.node());
+ // add selected-circle on low layer g
+ $$.main.select('.' + CLASS.selectedCircles + $$.getTargetSelectorSuffix(d.id)).selectAll('.' + CLASS.selectedCircle + '-' + i)
+ .data([d])
+ .enter().append('circle')
+ .attr("class", function () { return $$.generateClass(CLASS.selectedCircle, i); })
+ .attr("cx", cx)
+ .attr("cy", cy)
+ .attr("stroke", function () { return $$.color(d); })
+ .attr("r", function (d) { return $$.pointSelectR(d) * 1.4; })
+ .transition().duration(100)
+ .attr("r", r);
+ };
+ c3_chart_internal_fn.unselectPoint = function (target, d, i) {
+ var $$ = this;
+ $$.config.data_onunselected(d, target.node());
+ // remove selected-circle from low layer g
+ $$.main.select('.' + CLASS.selectedCircles + $$.getTargetSelectorSuffix(d.id)).selectAll('.' + CLASS.selectedCircle + '-' + i)
+ .transition().duration(100).attr('r', 0)
+ .remove();
+ };
+ c3_chart_internal_fn.togglePoint = function (selected, target, d, i) {
+ selected ? this.selectPoint(target, d, i) : this.unselectPoint(target, d, i);
+ };
+ c3_chart_internal_fn.selectPath = function (target, d) {
+ var $$ = this;
+ $$.config.data_onselected.call($$, d, target.node());
+ target.transition().duration(100)
+ .style("fill", function () { return $$.d3.rgb($$.color(d)).brighter(0.75); });
+ };
+ c3_chart_internal_fn.unselectPath = function (target, d) {
+ var $$ = this;
+ $$.config.data_onunselected.call($$, d, target.node());
+ target.transition().duration(100)
+ .style("fill", function () { return $$.color(d); });
+ };
+ c3_chart_internal_fn.togglePath = function (selected, target, d, i) {
+ selected ? this.selectPath(target, d, i) : this.unselectPath(target, d, i);
+ };
+ c3_chart_internal_fn.getToggle = function (that, d) {
+ var $$ = this, toggle;
+ if (that.nodeName === 'circle') {
+ if ($$.isStepType(d)) {
+ // circle is hidden in step chart, so treat as within the click area
+ toggle = function () {}; // TODO: how to select step chart?
+ } else {
+ toggle = $$.togglePoint;
+ }
+ }
+ else if (that.nodeName === 'path') {
+ toggle = $$.togglePath;
+ }
+ return toggle;
+ };
+ c3_chart_internal_fn.toggleShape = function (that, d, i) {
+ var $$ = this, d3 = $$.d3, config = $$.config,
+ shape = d3.select(that), isSelected = shape.classed(CLASS.SELECTED),
+ toggle = $$.getToggle(that, d).bind($$);
+
+ if (config.data_selection_enabled && config.data_selection_isselectable(d)) {
+ if (!config.data_selection_multiple) {
+ $$.main.selectAll('.' + CLASS.shapes + (config.data_selection_grouped ? $$.getTargetSelectorSuffix(d.id) : "")).selectAll('.' + CLASS.shape).each(function (d, i) {
+ var shape = d3.select(this);
+ if (shape.classed(CLASS.SELECTED)) { toggle(false, shape.classed(CLASS.SELECTED, false), d, i); }
+ });
+ }
+ shape.classed(CLASS.SELECTED, !isSelected);
+ toggle(!isSelected, shape, d, i);
+ }
+ };
+
+ c3_chart_internal_fn.initBrush = function () {
+ var $$ = this, d3 = $$.d3;
+ $$.brush = d3.svg.brush().on("brush", function () { $$.redrawForBrush(); });
+ $$.brush.update = function () {
+ if ($$.context) { $$.context.select('.' + CLASS.brush).call(this); }
+ return this;
+ };
+ $$.brush.scale = function (scale) {
+ return $$.config.axis_rotated ? this.y(scale) : this.x(scale);
+ };
+ };
+ c3_chart_internal_fn.initSubchart = function () {
+ var $$ = this, config = $$.config,
+ context = $$.context = $$.svg.append("g").attr("transform", $$.getTranslate('context'));
+
+ context.style('visibility', config.subchart_show ? 'visible' : 'hidden');
+
+ // Define g for chart area
+ context.append('g')
+ .attr("clip-path", $$.clipPathForSubchart)
+ .attr('class', CLASS.chart);
+
+ // Define g for bar chart area
+ context.select('.' + CLASS.chart).append("g")
+ .attr("class", CLASS.chartBars);
+
+ // Define g for line chart area
+ context.select('.' + CLASS.chart).append("g")
+ .attr("class", CLASS.chartLines);
+
+ // Add extent rect for Brush
+ context.append("g")
+ .attr("clip-path", $$.clipPath)
+ .attr("class", CLASS.brush)
+ .call($$.brush);
+
+ // ATTENTION: This must be called AFTER chart added
+ // Add Axis
+ $$.axes.subx = context.append("g")
+ .attr("class", CLASS.axisX)
+ .attr("transform", $$.getTranslate('subx'))
+ .attr("clip-path", config.axis_rotated ? "" : $$.clipPathForXAxis);
+ };
+ c3_chart_internal_fn.updateTargetsForSubchart = function (targets) {
+ var $$ = this, context = $$.context, config = $$.config,
+ contextLineEnter, contextLineUpdate, contextBarEnter, contextBarUpdate,
+ classChartBar = $$.classChartBar.bind($$),
+ classBars = $$.classBars.bind($$),
+ classChartLine = $$.classChartLine.bind($$),
+ classLines = $$.classLines.bind($$),
+ classAreas = $$.classAreas.bind($$);
+
+ if (config.subchart_show) {
+ //-- Bar --//
+ contextBarUpdate = context.select('.' + CLASS.chartBars).selectAll('.' + CLASS.chartBar)
+ .data(targets)
+ .attr('class', classChartBar);
+ contextBarEnter = contextBarUpdate.enter().append('g')
+ .style('opacity', 0)
+ .attr('class', classChartBar);
+ // Bars for each data
+ contextBarEnter.append('g')
+ .attr("class", classBars);
+
+ //-- Line --//
+ contextLineUpdate = context.select('.' + CLASS.chartLines).selectAll('.' + CLASS.chartLine)
+ .data(targets)
+ .attr('class', classChartLine);
+ contextLineEnter = contextLineUpdate.enter().append('g')
+ .style('opacity', 0)
+ .attr('class', classChartLine);
+ // Lines for each data
+ contextLineEnter.append("g")
+ .attr("class", classLines);
+ // Area
+ contextLineEnter.append("g")
+ .attr("class", classAreas);
+
+ //-- Brush --//
+ context.selectAll('.' + CLASS.brush + ' rect')
+ .attr(config.axis_rotated ? "width" : "height", config.axis_rotated ? $$.width2 : $$.height2);
+ }
+ };
+ c3_chart_internal_fn.updateBarForSubchart = function (durationForExit) {
+ var $$ = this;
+ $$.contextBar = $$.context.selectAll('.' + CLASS.bars).selectAll('.' + CLASS.bar)
+ .data($$.barData.bind($$));
+ $$.contextBar.enter().append('path')
+ .attr("class", $$.classBar.bind($$))
+ .style("stroke", 'none')
+ .style("fill", $$.color);
+ $$.contextBar
+ .style("opacity", $$.initialOpacity.bind($$));
+ $$.contextBar.exit().transition().duration(durationForExit)
+ .style('opacity', 0)
+ .remove();
+ };
+ c3_chart_internal_fn.redrawBarForSubchart = function (drawBarOnSub, withTransition, duration) {
+ (withTransition ? this.contextBar.transition().duration(duration) : this.contextBar)
+ .attr('d', drawBarOnSub)
+ .style('opacity', 1);
+ };
+ c3_chart_internal_fn.updateLineForSubchart = function (durationForExit) {
+ var $$ = this;
+ $$.contextLine = $$.context.selectAll('.' + CLASS.lines).selectAll('.' + CLASS.line)
+ .data($$.lineData.bind($$));
+ $$.contextLine.enter().append('path')
+ .attr('class', $$.classLine.bind($$))
+ .style('stroke', $$.color);
+ $$.contextLine
+ .style("opacity", $$.initialOpacity.bind($$));
+ $$.contextLine.exit().transition().duration(durationForExit)
+ .style('opacity', 0)
+ .remove();
+ };
+ c3_chart_internal_fn.redrawLineForSubchart = function (drawLineOnSub, withTransition, duration) {
+ (withTransition ? this.contextLine.transition().duration(duration) : this.contextLine)
+ .attr("d", drawLineOnSub)
+ .style('opacity', 1);
+ };
+ c3_chart_internal_fn.updateAreaForSubchart = function (durationForExit) {
+ var $$ = this, d3 = $$.d3;
+ $$.contextArea = $$.context.selectAll('.' + CLASS.areas).selectAll('.' + CLASS.area)
+ .data($$.lineData.bind($$));
+ $$.contextArea.enter().append('path')
+ .attr("class", $$.classArea.bind($$))
+ .style("fill", $$.color)
+ .style("opacity", function () { $$.orgAreaOpacity = +d3.select(this).style('opacity'); return 0; });
+ $$.contextArea
+ .style("opacity", 0);
+ $$.contextArea.exit().transition().duration(durationForExit)
+ .style('opacity', 0)
+ .remove();
+ };
+ c3_chart_internal_fn.redrawAreaForSubchart = function (drawAreaOnSub, withTransition, duration) {
+ (withTransition ? this.contextArea.transition().duration(duration) : this.contextArea)
+ .attr("d", drawAreaOnSub)
+ .style("fill", this.color)
+ .style("opacity", this.orgAreaOpacity);
+ };
+ c3_chart_internal_fn.redrawSubchart = function (withSubchart, transitions, duration, durationForExit, areaIndices, barIndices, lineIndices) {
+ var $$ = this, d3 = $$.d3, config = $$.config,
+ drawAreaOnSub, drawBarOnSub, drawLineOnSub;
+
+ $$.context.style('visibility', config.subchart_show ? 'visible' : 'hidden');
+
+ // subchart
+ if (config.subchart_show) {
+ // reflect main chart to extent on subchart if zoomed
+ if (d3.event && d3.event.type === 'zoom') {
+ $$.brush.extent($$.x.orgDomain()).update();
+ }
+ // update subchart elements if needed
+ if (withSubchart) {
+
+ // extent rect
+ if (!$$.brush.empty()) {
+ $$.brush.extent($$.x.orgDomain()).update();
+ }
+ // setup drawer - MEMO: this must be called after axis updated
+ drawAreaOnSub = $$.generateDrawArea(areaIndices, true);
+ drawBarOnSub = $$.generateDrawBar(barIndices, true);
+ drawLineOnSub = $$.generateDrawLine(lineIndices, true);
+
+ $$.updateBarForSubchart(duration);
+ $$.updateLineForSubchart(duration);
+ $$.updateAreaForSubchart(duration);
+
+ $$.redrawBarForSubchart(drawBarOnSub, duration, duration);
+ $$.redrawLineForSubchart(drawLineOnSub, duration, duration);
+ $$.redrawAreaForSubchart(drawAreaOnSub, duration, duration);
+ }
+ }
+ };
+ c3_chart_internal_fn.redrawForBrush = function () {
+ var $$ = this, x = $$.x;
+ $$.redraw({
+ withTransition: false,
+ withY: $$.config.zoom_rescale,
+ withSubchart: false,
+ withUpdateXDomain: true,
+ withDimension: false
+ });
+ $$.config.subchart_onbrush.call($$.api, x.orgDomain());
+ };
+ c3_chart_internal_fn.transformContext = function (withTransition, transitions) {
+ var $$ = this, subXAxis;
+ if (transitions && transitions.axisSubX) {
+ subXAxis = transitions.axisSubX;
+ } else {
+ subXAxis = $$.context.select('.' + CLASS.axisX);
+ if (withTransition) { subXAxis = subXAxis.transition(); }
+ }
+ $$.context.attr("transform", $$.getTranslate('context'));
+ subXAxis.attr("transform", $$.getTranslate('subx'));
+ };
+ c3_chart_internal_fn.getDefaultExtent = function () {
+ var $$ = this, config = $$.config,
+ extent = isFunction(config.axis_x_extent) ? config.axis_x_extent($$.getXDomain($$.data.targets)) : config.axis_x_extent;
+ if ($$.isTimeSeries()) {
+ extent = [$$.parseDate(extent[0]), $$.parseDate(extent[1])];
+ }
+ return extent;
+ };
+
+ c3_chart_internal_fn.initZoom = function () {
+ var $$ = this, d3 = $$.d3, config = $$.config, startEvent;
+
+ $$.zoom = d3.behavior.zoom()
+ .on("zoomstart", function () {
+ startEvent = d3.event.sourceEvent;
+ $$.zoom.altDomain = d3.event.sourceEvent.altKey ? $$.x.orgDomain() : null;
+ config.zoom_onzoomstart.call($$.api, d3.event.sourceEvent);
+ })
+ .on("zoom", function () {
+ $$.redrawForZoom.call($$);
+ })
+ .on('zoomend', function () {
+ var event = d3.event.sourceEvent;
+ // if click, do nothing. otherwise, click interaction will be canceled.
+ if (event && startEvent.clientX === event.clientX && startEvent.clientY === event.clientY) {
+ return;
+ }
+ $$.redrawEventRect();
+ $$.updateZoom();
+ config.zoom_onzoomend.call($$.api, $$.x.orgDomain());
+ });
+ $$.zoom.scale = function (scale) {
+ return config.axis_rotated ? this.y(scale) : this.x(scale);
+ };
+ $$.zoom.orgScaleExtent = function () {
+ var extent = config.zoom_extent ? config.zoom_extent : [1, 10];
+ return [extent[0], Math.max($$.getMaxDataCount() / extent[1], extent[1])];
+ };
+ $$.zoom.updateScaleExtent = function () {
+ var ratio = diffDomain($$.x.orgDomain()) / diffDomain($$.orgXDomain),
+ extent = this.orgScaleExtent();
+ this.scaleExtent([extent[0] * ratio, extent[1] * ratio]);
+ return this;
+ };
+ };
+ c3_chart_internal_fn.updateZoom = function () {
+ var $$ = this, z = $$.config.zoom_enabled ? $$.zoom : function () {};
+ $$.main.select('.' + CLASS.zoomRect).call(z).on("dblclick.zoom", null);
+ $$.main.selectAll('.' + CLASS.eventRect).call(z).on("dblclick.zoom", null);
+ };
+ c3_chart_internal_fn.redrawForZoom = function () {
+ var $$ = this, d3 = $$.d3, config = $$.config, zoom = $$.zoom, x = $$.x;
+ if (!config.zoom_enabled) {
+ return;
+ }
+ if ($$.filterTargetsToShow($$.data.targets).length === 0) {
+ return;
+ }
+ if (d3.event.sourceEvent.type === 'mousemove' && zoom.altDomain) {
+ x.domain(zoom.altDomain);
+ zoom.scale(x).updateScaleExtent();
+ return;
+ }
+ if ($$.isCategorized() && x.orgDomain()[0] === $$.orgXDomain[0]) {
+ x.domain([$$.orgXDomain[0] - 1e-10, x.orgDomain()[1]]);
+ }
+ $$.redraw({
+ withTransition: false,
+ withY: config.zoom_rescale,
+ withSubchart: false,
+ withEventRect: false,
+ withDimension: false
+ });
+ if (d3.event.sourceEvent.type === 'mousemove') {
+ $$.cancelClick = true;
+ }
+ config.zoom_onzoom.call($$.api, x.orgDomain());
+ };
+
+ c3_chart_internal_fn.generateColor = function () {
+ var $$ = this, config = $$.config, d3 = $$.d3,
+ colors = config.data_colors,
+ pattern = notEmpty(config.color_pattern) ? config.color_pattern : d3.scale.category10().range(),
+ callback = config.data_color,
+ ids = [];
+
+ return function (d) {
+ var id = d.id || (d.data && d.data.id) || d, color;
+
+ // if callback function is provided
+ if (colors[id] instanceof Function) {
+ color = colors[id](d);
+ }
+ // if specified, choose that color
+ else if (colors[id]) {
+ color = colors[id];
+ }
+ // if not specified, choose from pattern
+ else {
+ if (ids.indexOf(id) < 0) { ids.push(id); }
+ color = pattern[ids.indexOf(id) % pattern.length];
+ colors[id] = color;
+ }
+ return callback instanceof Function ? callback(color, d) : color;
+ };
+ };
+ c3_chart_internal_fn.generateLevelColor = function () {
+ var $$ = this, config = $$.config,
+ colors = config.color_pattern,
+ threshold = config.color_threshold,
+ asValue = threshold.unit === 'value',
+ values = threshold.values && threshold.values.length ? threshold.values : [],
+ max = threshold.max || 100;
+ return notEmpty(config.color_threshold) ? function (value) {
+ var i, v, color = colors[colors.length - 1];
+ for (i = 0; i < values.length; i++) {
+ v = asValue ? value : (value * 100 / max);
+ if (v < values[i]) {
+ color = colors[i];
+ break;
+ }
+ }
+ return color;
+ } : null;
+ };
+
+ c3_chart_internal_fn.getYFormat = function (forArc) {
+ var $$ = this,
+ formatForY = forArc && !$$.hasType('gauge') ? $$.defaultArcValueFormat : $$.yFormat,
+ formatForY2 = forArc && !$$.hasType('gauge') ? $$.defaultArcValueFormat : $$.y2Format;
+ return function (v, ratio, id) {
+ var format = $$.getAxisId(id) === 'y2' ? formatForY2 : formatForY;
+ return format.call($$, v, ratio);
+ };
+ };
+ c3_chart_internal_fn.yFormat = function (v) {
+ var $$ = this, config = $$.config,
+ format = config.axis_y_tick_format ? config.axis_y_tick_format : $$.defaultValueFormat;
+ return format(v);
+ };
+ c3_chart_internal_fn.y2Format = function (v) {
+ var $$ = this, config = $$.config,
+ format = config.axis_y2_tick_format ? config.axis_y2_tick_format : $$.defaultValueFormat;
+ return format(v);
+ };
+ c3_chart_internal_fn.defaultValueFormat = function (v) {
+ return isValue(v) ? +v : "";
+ };
+ c3_chart_internal_fn.defaultArcValueFormat = function (v, ratio) {
+ return (ratio * 100).toFixed(1) + '%';
+ };
+ c3_chart_internal_fn.dataLabelFormat = function (targetId) {
+ var $$ = this, data_labels = $$.config.data_labels,
+ format, defaultFormat = function (v) { return isValue(v) ? +v : ""; };
+ // find format according to axis id
+ if (typeof data_labels.format === 'function') {
+ format = data_labels.format;
+ } else if (typeof data_labels.format === 'object') {
+ if (data_labels.format[targetId]) {
+ format = data_labels.format[targetId] === true ? defaultFormat : data_labels.format[targetId];
+ } else {
+ format = function () { return ''; };
+ }
+ } else {
+ format = defaultFormat;
+ }
+ return format;
+ };
+
+ c3_chart_internal_fn.hasCaches = function (ids) {
+ for (var i = 0; i < ids.length; i++) {
+ if (! (ids[i] in this.cache)) { return false; }
+ }
+ return true;
+ };
+ c3_chart_internal_fn.addCache = function (id, target) {
+ this.cache[id] = this.cloneTarget(target);
+ };
+ c3_chart_internal_fn.getCaches = function (ids) {
+ var targets = [], i;
+ for (i = 0; i < ids.length; i++) {
+ if (ids[i] in this.cache) { targets.push(this.cloneTarget(this.cache[ids[i]])); }
+ }
+ return targets;
+ };
+
+ var CLASS = c3_chart_internal_fn.CLASS = {
+ target: 'c3-target',
+ chart: 'c3-chart',
+ chartLine: 'c3-chart-line',
+ chartLines: 'c3-chart-lines',
+ chartBar: 'c3-chart-bar',
+ chartBars: 'c3-chart-bars',
+ chartText: 'c3-chart-text',
+ chartTexts: 'c3-chart-texts',
+ chartArc: 'c3-chart-arc',
+ chartArcs: 'c3-chart-arcs',
+ chartArcsTitle: 'c3-chart-arcs-title',
+ chartArcsBackground: 'c3-chart-arcs-background',
+ chartArcsGaugeUnit: 'c3-chart-arcs-gauge-unit',
+ chartArcsGaugeMax: 'c3-chart-arcs-gauge-max',
+ chartArcsGaugeMin: 'c3-chart-arcs-gauge-min',
+ selectedCircle: 'c3-selected-circle',
+ selectedCircles: 'c3-selected-circles',
+ eventRect: 'c3-event-rect',
+ eventRects: 'c3-event-rects',
+ eventRectsSingle: 'c3-event-rects-single',
+ eventRectsMultiple: 'c3-event-rects-multiple',
+ zoomRect: 'c3-zoom-rect',
+ brush: 'c3-brush',
+ focused: 'c3-focused',
+ defocused: 'c3-defocused',
+ region: 'c3-region',
+ regions: 'c3-regions',
+ tooltipContainer: 'c3-tooltip-container',
+ tooltip: 'c3-tooltip',
+ tooltipName: 'c3-tooltip-name',
+ shape: 'c3-shape',
+ shapes: 'c3-shapes',
+ line: 'c3-line',
+ lines: 'c3-lines',
+ bar: 'c3-bar',
+ bars: 'c3-bars',
+ circle: 'c3-circle',
+ circles: 'c3-circles',
+ arc: 'c3-arc',
+ arcs: 'c3-arcs',
+ area: 'c3-area',
+ areas: 'c3-areas',
+ empty: 'c3-empty',
+ text: 'c3-text',
+ texts: 'c3-texts',
+ gaugeValue: 'c3-gauge-value',
+ grid: 'c3-grid',
+ gridLines: 'c3-grid-lines',
+ xgrid: 'c3-xgrid',
+ xgrids: 'c3-xgrids',
+ xgridLine: 'c3-xgrid-line',
+ xgridLines: 'c3-xgrid-lines',
+ xgridFocus: 'c3-xgrid-focus',
+ ygrid: 'c3-ygrid',
+ ygrids: 'c3-ygrids',
+ ygridLine: 'c3-ygrid-line',
+ ygridLines: 'c3-ygrid-lines',
+ axis: 'c3-axis',
+ axisX: 'c3-axis-x',
+ axisXLabel: 'c3-axis-x-label',
+ axisY: 'c3-axis-y',
+ axisYLabel: 'c3-axis-y-label',
+ axisY2: 'c3-axis-y2',
+ axisY2Label: 'c3-axis-y2-label',
+ legendBackground: 'c3-legend-background',
+ legendItem: 'c3-legend-item',
+ legendItemEvent: 'c3-legend-item-event',
+ legendItemTile: 'c3-legend-item-tile',
+ legendItemHidden: 'c3-legend-item-hidden',
+ legendItemFocused: 'c3-legend-item-focused',
+ dragarea: 'c3-dragarea',
+ EXPANDED: '_expanded_',
+ SELECTED: '_selected_',
+ INCLUDED: '_included_'
+ };
+ c3_chart_internal_fn.generateClass = function (prefix, targetId) {
+ return " " + prefix + " " + prefix + this.getTargetSelectorSuffix(targetId);
+ };
+ c3_chart_internal_fn.classText = function (d) {
+ return this.generateClass(CLASS.text, d.index);
+ };
+ c3_chart_internal_fn.classTexts = function (d) {
+ return this.generateClass(CLASS.texts, d.id);
+ };
+ c3_chart_internal_fn.classShape = function (d) {
+ return this.generateClass(CLASS.shape, d.index);
+ };
+ c3_chart_internal_fn.classShapes = function (d) {
+ return this.generateClass(CLASS.shapes, d.id);
+ };
+ c3_chart_internal_fn.classLine = function (d) {
+ return this.classShape(d) + this.generateClass(CLASS.line, d.id);
+ };
+ c3_chart_internal_fn.classLines = function (d) {
+ return this.classShapes(d) + this.generateClass(CLASS.lines, d.id);
+ };
+ c3_chart_internal_fn.classCircle = function (d) {
+ return this.classShape(d) + this.generateClass(CLASS.circle, d.index);
+ };
+ c3_chart_internal_fn.classCircles = function (d) {
+ return this.classShapes(d) + this.generateClass(CLASS.circles, d.id);
+ };
+ c3_chart_internal_fn.classBar = function (d) {
+ return this.classShape(d) + this.generateClass(CLASS.bar, d.index);
+ };
+ c3_chart_internal_fn.classBars = function (d) {
+ return this.classShapes(d) + this.generateClass(CLASS.bars, d.id);
+ };
+ c3_chart_internal_fn.classArc = function (d) {
+ return this.classShape(d.data) + this.generateClass(CLASS.arc, d.data.id);
+ };
+ c3_chart_internal_fn.classArcs = function (d) {
+ return this.classShapes(d.data) + this.generateClass(CLASS.arcs, d.data.id);
+ };
+ c3_chart_internal_fn.classArea = function (d) {
+ return this.classShape(d) + this.generateClass(CLASS.area, d.id);
+ };
+ c3_chart_internal_fn.classAreas = function (d) {
+ return this.classShapes(d) + this.generateClass(CLASS.areas, d.id);
+ };
+ c3_chart_internal_fn.classRegion = function (d, i) {
+ return this.generateClass(CLASS.region, i) + ' ' + ('class' in d ? d['class'] : '');
+ };
+ c3_chart_internal_fn.classEvent = function (d) {
+ return this.generateClass(CLASS.eventRect, d.index);
+ };
+ c3_chart_internal_fn.classTarget = function (id) {
+ var $$ = this;
+ var additionalClassSuffix = $$.config.data_classes[id], additionalClass = '';
+ if (additionalClassSuffix) {
+ additionalClass = ' ' + CLASS.target + '-' + additionalClassSuffix;
+ }
+ return $$.generateClass(CLASS.target, id) + additionalClass;
+ };
+ c3_chart_internal_fn.classFocus = function (d) {
+ return this.classFocused(d) + this.classDefocused(d);
+ };
+ c3_chart_internal_fn.classFocused = function (d) {
+ return ' ' + (this.focusedTargetIds.indexOf(d.id) >= 0 ? CLASS.focused : '');
+ };
+ c3_chart_internal_fn.classDefocused = function (d) {
+ return ' ' + (this.defocusedTargetIds.indexOf(d.id) >= 0 ? CLASS.defocused : '');
+ };
+ c3_chart_internal_fn.classChartText = function (d) {
+ return CLASS.chartText + this.classTarget(d.id);
+ };
+ c3_chart_internal_fn.classChartLine = function (d) {
+ return CLASS.chartLine + this.classTarget(d.id);
+ };
+ c3_chart_internal_fn.classChartBar = function (d) {
+ return CLASS.chartBar + this.classTarget(d.id);
+ };
+ c3_chart_internal_fn.classChartArc = function (d) {
+ return CLASS.chartArc + this.classTarget(d.data.id);
+ };
+ c3_chart_internal_fn.getTargetSelectorSuffix = function (targetId) {
+ return targetId || targetId === 0 ? ('-' + targetId).replace(/[\s?!@#$%^&*()_=+,.<>'":;\[\]\/|~`{}\\]/g, '-') : '';
+ };
+ c3_chart_internal_fn.selectorTarget = function (id, prefix) {
+ return (prefix || '') + '.' + CLASS.target + this.getTargetSelectorSuffix(id);
+ };
+ c3_chart_internal_fn.selectorTargets = function (ids, prefix) {
+ var $$ = this;
+ ids = ids || [];
+ return ids.length ? ids.map(function (id) { return $$.selectorTarget(id, prefix); }) : null;
+ };
+ c3_chart_internal_fn.selectorLegend = function (id) {
+ return '.' + CLASS.legendItem + this.getTargetSelectorSuffix(id);
+ };
+ c3_chart_internal_fn.selectorLegends = function (ids) {
+ var $$ = this;
+ return ids && ids.length ? ids.map(function (id) { return $$.selectorLegend(id); }) : null;
+ };
+
+ var isValue = c3_chart_internal_fn.isValue = function (v) {
+ return v || v === 0;
+ },
+ isFunction = c3_chart_internal_fn.isFunction = function (o) {
+ return typeof o === 'function';
+ },
+ isString = c3_chart_internal_fn.isString = function (o) {
+ return typeof o === 'string';
+ },
+ isUndefined = c3_chart_internal_fn.isUndefined = function (v) {
+ return typeof v === 'undefined';
+ },
+ isDefined = c3_chart_internal_fn.isDefined = function (v) {
+ return typeof v !== 'undefined';
+ },
+ ceil10 = c3_chart_internal_fn.ceil10 = function (v) {
+ return Math.ceil(v / 10) * 10;
+ },
+ asHalfPixel = c3_chart_internal_fn.asHalfPixel = function (n) {
+ return Math.ceil(n) + 0.5;
+ },
+ diffDomain = c3_chart_internal_fn.diffDomain = function (d) {
+ return d[1] - d[0];
+ },
+ isEmpty = c3_chart_internal_fn.isEmpty = function (o) {
+ return !o || (isString(o) && o.length === 0) || (typeof o === 'object' && Object.keys(o).length === 0);
+ },
+ notEmpty = c3_chart_internal_fn.notEmpty = function (o) {
+ return Object.keys(o).length > 0;
+ },
+ getOption = c3_chart_internal_fn.getOption = function (options, key, defaultValue) {
+ return isDefined(options[key]) ? options[key] : defaultValue;
+ },
+ hasValue = c3_chart_internal_fn.hasValue = function (dict, value) {
+ var found = false;
+ Object.keys(dict).forEach(function (key) {
+ if (dict[key] === value) { found = true; }
+ });
+ return found;
+ },
+ getPathBox = c3_chart_internal_fn.getPathBox = function (path) {
+ var box = path.getBoundingClientRect(),
+ items = [path.pathSegList.getItem(0), path.pathSegList.getItem(1)],
+ minX = items[0].x, minY = Math.min(items[0].y, items[1].y);
+ return {x: minX, y: minY, width: box.width, height: box.height};
+ };
+
+ c3_chart_fn.focus = function (targetIds) {
+ var $$ = this.internal, candidates;
+
+ targetIds = $$.mapToTargetIds(targetIds);
+ candidates = $$.svg.selectAll($$.selectorTargets(targetIds.filter($$.isTargetToShow, $$))),
+
+ this.revert();
+ this.defocus();
+ candidates.classed(CLASS.focused, true).classed(CLASS.defocused, false);
+ if ($$.hasArcType()) {
+ $$.expandArc(targetIds);
+ }
+ $$.toggleFocusLegend(targetIds, true);
+
+ $$.focusedTargetIds = targetIds;
+ $$.defocusedTargetIds = $$.defocusedTargetIds.filter(function (id) {
+ return targetIds.indexOf(id) < 0;
+ });
+ };
+
+ c3_chart_fn.defocus = function (targetIds) {
+ var $$ = this.internal, candidates;
+
+ targetIds = $$.mapToTargetIds(targetIds);
+ candidates = $$.svg.selectAll($$.selectorTargets(targetIds.filter($$.isTargetToShow, $$))),
+
+ this.revert();
+ candidates.classed(CLASS.focused, false).classed(CLASS.defocused, true);
+ if ($$.hasArcType()) {
+ $$.unexpandArc(targetIds);
+ }
+ $$.toggleFocusLegend(targetIds, false);
+
+ $$.focusedTargetIds = $$.focusedTargetIds.filter(function (id) {
+ return targetIds.indexOf(id) < 0;
+ });
+ $$.defocusedTargetIds = targetIds;
+ };
+
+ c3_chart_fn.revert = function (targetIds) {
+ var $$ = this.internal, candidates;
+
+ targetIds = $$.mapToTargetIds(targetIds);
+ candidates = $$.svg.selectAll($$.selectorTargets(targetIds)); // should be for all targets
+
+ candidates.classed(CLASS.focused, false).classed(CLASS.defocused, false);
+ if ($$.hasArcType()) {
+ $$.unexpandArc(targetIds);
+ }
+ if ($$.config.legend_show) {
+ $$.showLegend(targetIds.filter($$.isLegendToShow.bind($$)));
+ }
+
+ $$.focusedTargetIds = [];
+ $$.defocusedTargetIds = [];
+ };
+
+ c3_chart_fn.show = function (targetIds, options) {
+ var $$ = this.internal, targets;
+
+ targetIds = $$.mapToTargetIds(targetIds);
+ options = options || {};
+
+ $$.removeHiddenTargetIds(targetIds);
+ targets = $$.svg.selectAll($$.selectorTargets(targetIds));
+
+ targets.transition()
+ .style('opacity', 1, 'important')
+ .call($$.endall, function () {
+ targets.style('opacity', null).style('opacity', 1);
+ });
+
+ if (options.withLegend) {
+ $$.showLegend(targetIds);
+ }
+
+ $$.redraw({withUpdateOrgXDomain: true, withUpdateXDomain: true, withLegend: true});
+ };
+
+ c3_chart_fn.hide = function (targetIds, options) {
+ var $$ = this.internal, targets;
+
+ targetIds = $$.mapToTargetIds(targetIds);
+ options = options || {};
+
+ $$.addHiddenTargetIds(targetIds);
+ targets = $$.svg.selectAll($$.selectorTargets(targetIds));
+
+ targets.transition()
+ .style('opacity', 0, 'important')
+ .call($$.endall, function () {
+ targets.style('opacity', null).style('opacity', 0);
+ });
+
+ if (options.withLegend) {
+ $$.hideLegend(targetIds);
+ }
+
+ $$.redraw({withUpdateOrgXDomain: true, withUpdateXDomain: true, withLegend: true});
+ };
+
+ c3_chart_fn.toggle = function (targetIds, options) {
+ var that = this, $$ = this.internal;
+ $$.mapToTargetIds(targetIds).forEach(function (targetId) {
+ $$.isTargetToShow(targetId) ? that.hide(targetId, options) : that.show(targetId, options);
+ });
+ };
+
+ c3_chart_fn.zoom = function (domain) {
+ var $$ = this.internal;
+ if (domain) {
+ if ($$.isTimeSeries()) {
+ domain = domain.map(function (x) { return $$.parseDate(x); });
+ }
+ $$.brush.extent(domain);
+ $$.redraw({withUpdateXDomain: true, withY: $$.config.zoom_rescale});
+ $$.config.zoom_onzoom.call(this, $$.x.orgDomain());
+ }
+ return $$.brush.extent();
+ };
+ c3_chart_fn.zoom.enable = function (enabled) {
+ var $$ = this.internal;
+ $$.config.zoom_enabled = enabled;
+ $$.updateAndRedraw();
+ };
+ c3_chart_fn.unzoom = function () {
+ var $$ = this.internal;
+ $$.brush.clear().update();
+ $$.redraw({withUpdateXDomain: true});
+ };
+
+ c3_chart_fn.load = function (args) {
+ var $$ = this.internal, config = $$.config;
+ // update xs if specified
+ if (args.xs) {
+ $$.addXs(args.xs);
+ }
+ // update classes if exists
+ if ('classes' in args) {
+ Object.keys(args.classes).forEach(function (id) {
+ config.data_classes[id] = args.classes[id];
+ });
+ }
+ // update categories if exists
+ if ('categories' in args && $$.isCategorized()) {
+ config.axis_x_categories = args.categories;
+ }
+ // update axes if exists
+ if ('axes' in args) {
+ Object.keys(args.axes).forEach(function (id) {
+ config.data_axes[id] = args.axes[id];
+ });
+ }
+ // use cache if exists
+ if ('cacheIds' in args && $$.hasCaches(args.cacheIds)) {
+ $$.load($$.getCaches(args.cacheIds), args.done);
+ return;
+ }
+ // unload if needed
+ if ('unload' in args) {
+ // TODO: do not unload if target will load (included in url/rows/columns)
+ $$.unload($$.mapToTargetIds((typeof args.unload === 'boolean' && args.unload) ? null : args.unload), function () {
+ $$.loadFromArgs(args);
+ });
+ } else {
+ $$.loadFromArgs(args);
+ }
+ };
+
+ c3_chart_fn.unload = function (args) {
+ var $$ = this.internal;
+ args = args || {};
+ if (args instanceof Array) {
+ args = {ids: args};
+ } else if (typeof args === 'string') {
+ args = {ids: [args]};
+ }
+ $$.unload($$.mapToTargetIds(args.ids), function () {
+ $$.redraw({withUpdateOrgXDomain: true, withUpdateXDomain: true, withLegend: true});
+ if (args.done) { args.done(); }
+ });
+ };
+
+ c3_chart_fn.flow = function (args) {
+ var $$ = this.internal,
+ targets, data, notfoundIds = [], orgDataCount = $$.getMaxDataCount(),
+ dataCount, domain, baseTarget, baseValue, length = 0, tail = 0, diff, to;
+
+ if (args.json) {
+ data = $$.convertJsonToData(args.json, args.keys);
+ }
+ else if (args.rows) {
+ data = $$.convertRowsToData(args.rows);
+ }
+ else if (args.columns) {
+ data = $$.convertColumnsToData(args.columns);
+ }
+ else {
+ return;
+ }
+ targets = $$.convertDataToTargets(data, true);
+
+ // Update/Add data
+ $$.data.targets.forEach(function (t) {
+ var found = false, i, j;
+ for (i = 0; i < targets.length; i++) {
+ if (t.id === targets[i].id) {
+ found = true;
+
+ if (t.values[t.values.length - 1]) {
+ tail = t.values[t.values.length - 1].index + 1;
+ }
+ length = targets[i].values.length;
+
+ for (j = 0; j < length; j++) {
+ targets[i].values[j].index = tail + j;
+ if (!$$.isTimeSeries()) {
+ targets[i].values[j].x = tail + j;
+ }
+ }
+ t.values = t.values.concat(targets[i].values);
+
+ targets.splice(i, 1);
+ break;
+ }
+ }
+ if (!found) { notfoundIds.push(t.id); }
+ });
+
+ // Append null for not found targets
+ $$.data.targets.forEach(function (t) {
+ var i, j;
+ for (i = 0; i < notfoundIds.length; i++) {
+ if (t.id === notfoundIds[i]) {
+ tail = t.values[t.values.length - 1].index + 1;
+ for (j = 0; j < length; j++) {
+ t.values.push({
+ id: t.id,
+ index: tail + j,
+ x: $$.isTimeSeries() ? $$.getOtherTargetX(tail + j) : tail + j,
+ value: null
+ });
+ }
+ }
+ }
+ });
+
+ // Generate null values for new target
+ if ($$.data.targets.length) {
+ targets.forEach(function (t) {
+ var i, missing = [];
+ for (i = $$.data.targets[0].values[0].index; i < tail; i++) {
+ missing.push({
+ id: t.id,
+ index: i,
+ x: $$.isTimeSeries() ? $$.getOtherTargetX(i) : i,
+ value: null
+ });
+ }
+ t.values.forEach(function (v) {
+ v.index += tail;
+ if (!$$.isTimeSeries()) {
+ v.x += tail;
+ }
+ });
+ t.values = missing.concat(t.values);
+ });
+ }
+ $$.data.targets = $$.data.targets.concat(targets); // add remained
+
+ // check data count because behavior needs to change when it's only one
+ dataCount = $$.getMaxDataCount();
+ baseTarget = $$.data.targets[0];
+ baseValue = baseTarget.values[0];
+
+ // Update length to flow if needed
+ if (isDefined(args.to)) {
+ length = 0;
+ to = $$.isTimeSeries() ? $$.parseDate(args.to) : args.to;
+ baseTarget.values.forEach(function (v) {
+ if (v.x < to) { length++; }
+ });
+ } else if (isDefined(args.length)) {
+ length = args.length;
+ }
+
+ // If only one data, update the domain to flow from left edge of the chart
+ if (!orgDataCount) {
+ if ($$.isTimeSeries()) {
+ if (baseTarget.values.length > 1) {
+ diff = baseTarget.values[baseTarget.values.length - 1].x - baseValue.x;
+ } else {
+ diff = baseValue.x - $$.getXDomain($$.data.targets)[0];
+ }
+ } else {
+ diff = 1;
+ }
+ domain = [baseValue.x - diff, baseValue.x];
+ $$.updateXDomain(null, true, true, false, domain);
+ } else if (orgDataCount === 1) {
+ if ($$.isTimeSeries()) {
+ diff = (baseTarget.values[baseTarget.values.length - 1].x - baseValue.x) / 2;
+ domain = [new Date(+baseValue.x - diff), new Date(+baseValue.x + diff)];
+ $$.updateXDomain(null, true, true, false, domain);
+ }
+ }
+
+ // Set targets
+ $$.updateTargets($$.data.targets);
+
+ // Redraw with new targets
+ $$.redraw({
+ flow: {
+ index: baseValue.index,
+ length: length,
+ duration: isValue(args.duration) ? args.duration : $$.config.transition_duration,
+ done: args.done,
+ orgDataCount: orgDataCount,
+ },
+ withLegend: true,
+ withTransition: orgDataCount > 1,
+ withTrimXDomain: false,
+ withUpdateXAxis: true,
+ });
+ };
+
+ c3_chart_internal_fn.generateFlow = function (args) {
+ var $$ = this, config = $$.config, d3 = $$.d3;
+
+ return function () {
+ var targets = args.targets,
+ flow = args.flow,
+ drawBar = args.drawBar,
+ drawLine = args.drawLine,
+ drawArea = args.drawArea,
+ cx = args.cx,
+ cy = args.cy,
+ xv = args.xv,
+ xForText = args.xForText,
+ yForText = args.yForText,
+ duration = args.duration;
+
+ var translateX, scaleX = 1, transform,
+ flowIndex = flow.index,
+ flowLength = flow.length,
+ flowStart = $$.getValueOnIndex($$.data.targets[0].values, flowIndex),
+ flowEnd = $$.getValueOnIndex($$.data.targets[0].values, flowIndex + flowLength),
+ orgDomain = $$.x.domain(), domain,
+ durationForFlow = flow.duration || duration,
+ done = flow.done || function () {},
+ wait = $$.generateWait();
+
+ var xgrid = $$.xgrid || d3.selectAll([]),
+ xgridLines = $$.xgridLines || d3.selectAll([]),
+ mainRegion = $$.mainRegion || d3.selectAll([]),
+ mainText = $$.mainText || d3.selectAll([]),
+ mainBar = $$.mainBar || d3.selectAll([]),
+ mainLine = $$.mainLine || d3.selectAll([]),
+ mainArea = $$.mainArea || d3.selectAll([]),
+ mainCircle = $$.mainCircle || d3.selectAll([]);
+
+ // set flag
+ $$.flowing = true;
+
+ // remove head data after rendered
+ $$.data.targets.forEach(function (d) {
+ d.values.splice(0, flowLength);
+ });
+
+ // update x domain to generate axis elements for flow
+ domain = $$.updateXDomain(targets, true, true);
+ // update elements related to x scale
+ if ($$.updateXGrid) { $$.updateXGrid(true); }
+
+ // generate transform to flow
+ if (!flow.orgDataCount) { // if empty
+ if ($$.data.targets[0].values.length !== 1) {
+ translateX = $$.x(orgDomain[0]) - $$.x(domain[0]);
+ } else {
+ if ($$.isTimeSeries()) {
+ flowStart = $$.getValueOnIndex($$.data.targets[0].values, 0);
+ flowEnd = $$.getValueOnIndex($$.data.targets[0].values, $$.data.targets[0].values.length - 1);
+ translateX = $$.x(flowStart.x) - $$.x(flowEnd.x);
+ } else {
+ translateX = diffDomain(domain) / 2;
+ }
+ }
+ } else if (flow.orgDataCount === 1 || flowStart.x === flowEnd.x) {
+ translateX = $$.x(orgDomain[0]) - $$.x(domain[0]);
+ } else {
+ if ($$.isTimeSeries()) {
+ translateX = ($$.x(orgDomain[0]) - $$.x(domain[0]));
+ } else {
+ translateX = ($$.x(flowStart.x) - $$.x(flowEnd.x));
+ }
+ }
+ scaleX = (diffDomain(orgDomain) / diffDomain(domain));
+ transform = 'translate(' + translateX + ',0) scale(' + scaleX + ',1)';
+
+ // hide tooltip
+ $$.hideXGridFocus();
+ $$.hideTooltip();
+
+ d3.transition().ease('linear').duration(durationForFlow).each(function () {
+ wait.add($$.axes.x.transition().call($$.xAxis));
+ wait.add(mainBar.transition().attr('transform', transform));
+ wait.add(mainLine.transition().attr('transform', transform));
+ wait.add(mainArea.transition().attr('transform', transform));
+ wait.add(mainCircle.transition().attr('transform', transform));
+ wait.add(mainText.transition().attr('transform', transform));
+ wait.add(mainRegion.filter($$.isRegionOnX).transition().attr('transform', transform));
+ wait.add(xgrid.transition().attr('transform', transform));
+ wait.add(xgridLines.transition().attr('transform', transform));
+ })
+ .call(wait, function () {
+ var i, shapes = [], texts = [], eventRects = [];
+
+ // remove flowed elements
+ if (flowLength) {
+ for (i = 0; i < flowLength; i++) {
+ shapes.push('.' + CLASS.shape + '-' + (flowIndex + i));
+ texts.push('.' + CLASS.text + '-' + (flowIndex + i));
+ eventRects.push('.' + CLASS.eventRect + '-' + (flowIndex + i));
+ }
+ $$.svg.selectAll('.' + CLASS.shapes).selectAll(shapes).remove();
+ $$.svg.selectAll('.' + CLASS.texts).selectAll(texts).remove();
+ $$.svg.selectAll('.' + CLASS.eventRects).selectAll(eventRects).remove();
+ $$.svg.select('.' + CLASS.xgrid).remove();
+ }
+
+ // draw again for removing flowed elements and reverting attr
+ xgrid
+ .attr('transform', null)
+ .attr($$.xgridAttr);
+ xgridLines
+ .attr('transform', null);
+ xgridLines.select('line')
+ .attr("x1", config.axis_rotated ? 0 : xv)
+ .attr("x2", config.axis_rotated ? $$.width : xv);
+ xgridLines.select('text')
+ .attr("x", config.axis_rotated ? $$.width : 0)
+ .attr("y", xv);
+ mainBar
+ .attr('transform', null)
+ .attr("d", drawBar);
+ mainLine
+ .attr('transform', null)
+ .attr("d", drawLine);
+ mainArea
+ .attr('transform', null)
+ .attr("d", drawArea);
+ mainCircle
+ .attr('transform', null)
+ .attr("cx", cx)
+ .attr("cy", cy);
+ mainText
+ .attr('transform', null)
+ .attr('x', xForText)
+ .attr('y', yForText)
+ .style('fill-opacity', $$.opacityForText.bind($$));
+ mainRegion
+ .attr('transform', null);
+ mainRegion.select('rect').filter($$.isRegionOnX)
+ .attr("x", $$.regionX.bind($$))
+ .attr("width", $$.regionWidth.bind($$));
+
+ if (config.interaction_enabled) {
+ $$.redrawEventRect();
+ }
+
+ // callback for end of flow
+ done();
+
+ $$.flowing = false;
+ });
+ };
+ };
+
+ c3_chart_fn.selected = function (targetId) {
+ var $$ = this.internal, d3 = $$.d3;
+ return d3.merge(
+ $$.main.selectAll('.' + CLASS.shapes + $$.getTargetSelectorSuffix(targetId)).selectAll('.' + CLASS.shape)
+ .filter(function () { return d3.select(this).classed(CLASS.SELECTED); })
+ .map(function (d) { return d.map(function (d) { var data = d.__data__; return data.data ? data.data : data; }); })
+ );
+ };
+ c3_chart_fn.select = function (ids, indices, resetOther) {
+ var $$ = this.internal, d3 = $$.d3, config = $$.config;
+ if (! config.data_selection_enabled) { return; }
+ $$.main.selectAll('.' + CLASS.shapes).selectAll('.' + CLASS.shape).each(function (d, i) {
+ var shape = d3.select(this), id = d.data ? d.data.id : d.id,
+ toggle = $$.getToggle(this, d).bind($$),
+ isTargetId = config.data_selection_grouped || !ids || ids.indexOf(id) >= 0,
+ isTargetIndex = !indices || indices.indexOf(i) >= 0,
+ isSelected = shape.classed(CLASS.SELECTED);
+ // line/area selection not supported yet
+ if (shape.classed(CLASS.line) || shape.classed(CLASS.area)) {
+ return;
+ }
+ if (isTargetId && isTargetIndex) {
+ if (config.data_selection_isselectable(d) && !isSelected) {
+ toggle(true, shape.classed(CLASS.SELECTED, true), d, i);
+ }
+ } else if (isDefined(resetOther) && resetOther) {
+ if (isSelected) {
+ toggle(false, shape.classed(CLASS.SELECTED, false), d, i);
+ }
+ }
+ });
+ };
+ c3_chart_fn.unselect = function (ids, indices) {
+ var $$ = this.internal, d3 = $$.d3, config = $$.config;
+ if (! config.data_selection_enabled) { return; }
+ $$.main.selectAll('.' + CLASS.shapes).selectAll('.' + CLASS.shape).each(function (d, i) {
+ var shape = d3.select(this), id = d.data ? d.data.id : d.id,
+ toggle = $$.getToggle(this, d).bind($$),
+ isTargetId = config.data_selection_grouped || !ids || ids.indexOf(id) >= 0,
+ isTargetIndex = !indices || indices.indexOf(i) >= 0,
+ isSelected = shape.classed(CLASS.SELECTED);
+ // line/area selection not supported yet
+ if (shape.classed(CLASS.line) || shape.classed(CLASS.area)) {
+ return;
+ }
+ if (isTargetId && isTargetIndex) {
+ if (config.data_selection_isselectable(d)) {
+ if (isSelected) {
+ toggle(false, shape.classed(CLASS.SELECTED, false), d, i);
+ }
+ }
+ }
+ });
+ };
+
+ c3_chart_fn.transform = function (type, targetIds) {
+ var $$ = this.internal,
+ options = ['pie', 'donut'].indexOf(type) >= 0 ? {withTransform: true} : null;
+ $$.transformTo(targetIds, type, options);
+ };
+
+ c3_chart_internal_fn.transformTo = function (targetIds, type, optionsForRedraw) {
+ var $$ = this,
+ withTransitionForAxis = !$$.hasArcType(),
+ options = optionsForRedraw || {withTransitionForAxis: withTransitionForAxis};
+ options.withTransitionForTransform = false;
+ $$.transiting = false;
+ $$.setTargetType(targetIds, type);
+ $$.updateTargets($$.data.targets); // this is needed when transforming to arc
+ $$.updateAndRedraw(options);
+ };
+
+ c3_chart_fn.groups = function (groups) {
+ var $$ = this.internal, config = $$.config;
+ if (isUndefined(groups)) { return config.data_groups; }
+ config.data_groups = groups;
+ $$.redraw();
+ return config.data_groups;
+ };
+
+ c3_chart_fn.xgrids = function (grids) {
+ var $$ = this.internal, config = $$.config;
+ if (! grids) { return config.grid_x_lines; }
+ config.grid_x_lines = grids;
+ $$.redrawWithoutRescale();
+ return config.grid_x_lines;
+ };
+ c3_chart_fn.xgrids.add = function (grids) {
+ var $$ = this.internal;
+ return this.xgrids($$.config.grid_x_lines.concat(grids ? grids : []));
+ };
+ c3_chart_fn.xgrids.remove = function (params) { // TODO: multiple
+ var $$ = this.internal;
+ $$.removeGridLines(params, true);
+ };
+
+ c3_chart_fn.ygrids = function (grids) {
+ var $$ = this.internal, config = $$.config;
+ if (! grids) { return config.grid_y_lines; }
+ config.grid_y_lines = grids;
+ $$.redrawWithoutRescale();
+ return config.grid_y_lines;
+ };
+ c3_chart_fn.ygrids.add = function (grids) {
+ var $$ = this.internal;
+ return this.ygrids($$.config.grid_y_lines.concat(grids ? grids : []));
+ };
+ c3_chart_fn.ygrids.remove = function (params) { // TODO: multiple
+ var $$ = this.internal;
+ $$.removeGridLines(params, false);
+ };
+
+ c3_chart_fn.regions = function (regions) {
+ var $$ = this.internal, config = $$.config;
+ if (!regions) { return config.regions; }
+ config.regions = regions;
+ $$.redrawWithoutRescale();
+ return config.regions;
+ };
+ c3_chart_fn.regions.add = function (regions) {
+ var $$ = this.internal, config = $$.config;
+ if (!regions) { return config.regions; }
+ config.regions = config.regions.concat(regions);
+ $$.redrawWithoutRescale();
+ return config.regions;
+ };
+ c3_chart_fn.regions.remove = function (options) {
+ var $$ = this.internal, config = $$.config,
+ duration, classes, regions;
+
+ options = options || {};
+ duration = $$.getOption(options, "duration", config.transition_duration);
+ classes = $$.getOption(options, "classes", [CLASS.region]);
+
+ regions = $$.main.select('.' + CLASS.regions).selectAll(classes.map(function (c) { return '.' + c; }));
+ (duration ? regions.transition().duration(duration) : regions)
+ .style('opacity', 0)
+ .remove();
+
+ config.regions = config.regions.filter(function (region) {
+ var found = false;
+ if (!region['class']) {
+ return true;
+ }
+ region['class'].split(' ').forEach(function (c) {
+ if (classes.indexOf(c) >= 0) { found = true; }
+ });
+ return !found;
+ });
+
+ return config.regions;
+ };
+
+ c3_chart_fn.data = function (targetIds) {
+ var targets = this.internal.data.targets;
+ return typeof targetIds === 'undefined' ? targets : targets.filter(function (t) {
+ return [].concat(targetIds).indexOf(t.id) >= 0;
+ });
+ };
+ c3_chart_fn.data.shown = function (targetIds) {
+ return this.internal.filterTargetsToShow(this.data(targetIds));
+ };
+ c3_chart_fn.data.values = function (targetId) {
+ var targets, values = null;
+ if (targetId) {
+ targets = this.data(targetId);
+ values = targets[0] ? targets[0].values.map(function (d) { return d.value; }) : null;
+ }
+ return values;
+ };
+ c3_chart_fn.data.names = function (names) {
+ this.internal.clearLegendItemTextBoxCache();
+ return this.internal.updateDataAttributes('names', names);
+ };
+ c3_chart_fn.data.colors = function (colors) {
+ return this.internal.updateDataAttributes('colors', colors);
+ };
+ c3_chart_fn.data.axes = function (axes) {
+ return this.internal.updateDataAttributes('axes', axes);
+ };
+
+ c3_chart_fn.category = function (i, category) {
+ var $$ = this.internal, config = $$.config;
+ if (arguments.length > 1) {
+ config.axis_x_categories[i] = category;
+ $$.redraw();
+ }
+ return config.axis_x_categories[i];
+ };
+ c3_chart_fn.categories = function (categories) {
+ var $$ = this.internal, config = $$.config;
+ if (!arguments.length) { return config.axis_x_categories; }
+ config.axis_x_categories = categories;
+ $$.redraw();
+ return config.axis_x_categories;
+ };
+
+ // TODO: fix
+ c3_chart_fn.color = function (id) {
+ var $$ = this.internal;
+ return $$.color(id); // more patterns
+ };
+
+ c3_chart_fn.x = function (x) {
+ var $$ = this.internal;
+ if (arguments.length) {
+ $$.updateTargetX($$.data.targets, x);
+ $$.redraw({withUpdateOrgXDomain: true, withUpdateXDomain: true});
+ }
+ return $$.data.xs;
+ };
+ c3_chart_fn.xs = function (xs) {
+ var $$ = this.internal;
+ if (arguments.length) {
+ $$.updateTargetXs($$.data.targets, xs);
+ $$.redraw({withUpdateOrgXDomain: true, withUpdateXDomain: true});
+ }
+ return $$.data.xs;
+ };
+
+ c3_chart_fn.axis = function () {};
+ c3_chart_fn.axis.labels = function (labels) {
+ var $$ = this.internal;
+ if (arguments.length) {
+ Object.keys(labels).forEach(function (axisId) {
+ $$.setAxisLabelText(axisId, labels[axisId]);
+ });
+ $$.updateAxisLabels();
+ }
+ // TODO: return some values?
+ };
+ c3_chart_fn.axis.max = function (max) {
+ var $$ = this.internal, config = $$.config;
+ if (arguments.length) {
+ if (typeof max === 'object') {
+ if (isValue(max.x)) { config.axis_x_max = max.x; }
+ if (isValue(max.y)) { config.axis_y_max = max.y; }
+ if (isValue(max.y2)) { config.axis_y2_max = max.y2; }
+ } else {
+ config.axis_y_max = config.axis_y2_max = max;
+ }
+ $$.redraw({withUpdateOrgXDomain: true, withUpdateXDomain: true});
+ } else {
+ return {
+ x: config.axis_x_max,
+ y: config.axis_y_max,
+ y2: config.axis_y2_max
+ };
+ }
+ };
+ c3_chart_fn.axis.min = function (min) {
+ var $$ = this.internal, config = $$.config;
+ if (arguments.length) {
+ if (typeof min === 'object') {
+ if (isValue(min.x)) { config.axis_x_min = min.x; }
+ if (isValue(min.y)) { config.axis_y_min = min.y; }
+ if (isValue(min.y2)) { config.axis_y2_min = min.y2; }
+ } else {
+ config.axis_y_min = config.axis_y2_min = min;
+ }
+ $$.redraw({withUpdateOrgXDomain: true, withUpdateXDomain: true});
+ } else {
+ return {
+ x: config.axis_x_min,
+ y: config.axis_y_min,
+ y2: config.axis_y2_min
+ };
+ }
+ };
+ c3_chart_fn.axis.range = function (range) {
+ if (arguments.length) {
+ if (isDefined(range.max)) { this.axis.max(range.max); }
+ if (isDefined(range.min)) { this.axis.min(range.min); }
+ } else {
+ return {
+ max: this.axis.max(),
+ min: this.axis.min()
+ };
+ }
+ };
+
+ c3_chart_fn.legend = function () {};
+ c3_chart_fn.legend.show = function (targetIds) {
+ var $$ = this.internal;
+ $$.showLegend($$.mapToTargetIds(targetIds));
+ $$.updateAndRedraw({withLegend: true});
+ };
+ c3_chart_fn.legend.hide = function (targetIds) {
+ var $$ = this.internal;
+ $$.hideLegend($$.mapToTargetIds(targetIds));
+ $$.updateAndRedraw({withLegend: true});
+ };
+
+ c3_chart_fn.resize = function (size) {
+ var $$ = this.internal, config = $$.config;
+ config.size_width = size ? size.width : null;
+ config.size_height = size ? size.height : null;
+ this.flush();
+ };
+
+ c3_chart_fn.flush = function () {
+ var $$ = this.internal;
+ $$.updateAndRedraw({withLegend: true, withTransition: false, withTransitionForTransform: false});
+ };
+
+ c3_chart_fn.destroy = function () {
+ var $$ = this.internal;
+
+ window.clearInterval($$.intervalForObserveInserted);
+ window.onresize = null;
+
+ $$.selectChart.classed('c3', false).html("");
+
+ // MEMO: this is needed because the reference of some elements will not be released, then memory leak will happen.
+ Object.keys($$).forEach(function (key) {
+ $$[key] = null;
+ });
+
+ return null;
+ };
+
+ c3_chart_fn.tooltip = function () {};
+ c3_chart_fn.tooltip.show = function (args) {
+ var $$ = this.internal, index, mouse;
+
+ // determine mouse position on the chart
+ if (args.mouse) {
+ mouse = args.mouse;
+ }
+
+ // determine focus data
+ if (args.data) {
+ if ($$.isMultipleX()) {
+ // if multiple xs, target point will be determined by mouse
+ mouse = [$$.x(args.data.x), $$.getYScale(args.data.id)(args.data.value)];
+ index = null;
+ } else {
+ // TODO: when tooltip_grouped = false
+ index = isValue(args.data.index) ? args.data.index : $$.getIndexByX(args.data.x);
+ }
+ }
+ else if (typeof args.x !== 'undefined') {
+ index = $$.getIndexByX(args.x);
+ }
+ else if (typeof args.index !== 'undefined') {
+ index = args.index;
+ }
+
+ // emulate mouse events to show
+ $$.dispatchEvent('mouseover', index, mouse);
+ $$.dispatchEvent('mousemove', index, mouse);
+ };
+ c3_chart_fn.tooltip.hide = function () {
+ // TODO: get target data by checking the state of focus
+ this.internal.dispatchEvent('mouseout', 0);
+ };
+
+ // Features:
+ // 1. category axis
+ // 2. ceil values of translate/x/y to int for half pixel antialiasing
+ // 3. multiline tick text
+ var tickTextCharSize;
+ function c3_axis(d3, params) {
+ var scale = d3.scale.linear(), orient = "bottom", innerTickSize = 6, outerTickSize, tickPadding = 3, tickValues = null, tickFormat, tickArguments;
+
+ var tickOffset = 0, tickCulling = true, tickCentered;
+
+ params = params || {};
+ outerTickSize = params.withOuterTick ? 6 : 0;
+
+ function axisX(selection, x) {
+ selection.attr("transform", function (d) {
+ return "translate(" + Math.ceil(x(d) + tickOffset) + ", 0)";
+ });
+ }
+ function axisY(selection, y) {
+ selection.attr("transform", function (d) {
+ return "translate(0," + Math.ceil(y(d)) + ")";
+ });
+ }
+ function scaleExtent(domain) {
+ var start = domain[0], stop = domain[domain.length - 1];
+ return start < stop ? [ start, stop ] : [ stop, start ];
+ }
+ function generateTicks(scale) {
+ var i, domain, ticks = [];
+ if (scale.ticks) {
+ return scale.ticks.apply(scale, tickArguments);
+ }
+ domain = scale.domain();
+ for (i = Math.ceil(domain[0]); i < domain[1]; i++) {
+ ticks.push(i);
+ }
+ if (ticks.length > 0 && ticks[0] > 0) {
+ ticks.unshift(ticks[0] - (ticks[1] - ticks[0]));
+ }
+ return ticks;
+ }
+ function copyScale() {
+ var newScale = scale.copy(), domain;
+ if (params.isCategory) {
+ domain = scale.domain();
+ newScale.domain([domain[0], domain[1] - 1]);
+ }
+ return newScale;
+ }
+ function textFormatted(v) {
+ return tickFormat ? tickFormat(v) : v;
+ }
+ function getSizeFor1Char(tick) {
+ if (tickTextCharSize) {
+ return tickTextCharSize;
+ }
+ var size = {
+ h: 11.5,
+ w: 5.5
+ };
+ tick.select('text').text(textFormatted).each(function (d) {
+ var box = this.getBoundingClientRect(),
+ text = textFormatted(d),
+ h = box.height,
+ w = text ? (box.width / text.length) : undefined;
+ if (h && w) {
+ size.h = h;
+ size.w = w;
+ }
+ }).text('');
+ tickTextCharSize = size;
+ return size;
+ }
+ function axis(g) {
+ g.each(function () {
+ var g = d3.select(this);
+ var scale0 = this.__chart__ || scale, scale1 = this.__chart__ = copyScale();
+
+ var ticks = tickValues ? tickValues : generateTicks(scale1),
+ tick = g.selectAll(".tick").data(ticks, scale1),
+ tickEnter = tick.enter().insert("g", ".domain").attr("class", "tick").style("opacity", 1e-6),
+ // MEMO: No exit transition. The reason is this transition affects max tick width calculation because old tick will be included in the ticks.
+ tickExit = tick.exit().remove(),
+ tickUpdate = d3.transition(tick).style("opacity", 1),
+ tickTransform, tickX, tickY;
+
+ var range = scale.rangeExtent ? scale.rangeExtent() : scaleExtent(scale.range()),
+ path = g.selectAll(".domain").data([ 0 ]),
+ pathUpdate = (path.enter().append("path").attr("class", "domain"), d3.transition(path));
+ tickEnter.append("line");
+ tickEnter.append("text");
+
+ var lineEnter = tickEnter.select("line"),
+ lineUpdate = tickUpdate.select("line"),
+ textEnter = tickEnter.select("text"),
+ textUpdate = tickUpdate.select("text");
+
+ if (params.isCategory) {
+ tickOffset = Math.ceil((scale1(1) - scale1(0)) / 2);
+ tickX = tickCentered ? 0 : tickOffset;
+ tickY = tickCentered ? tickOffset : 0;
+ } else {
+ tickOffset = tickX = 0;
+ }
+
+ var text, tspan, sizeFor1Char = getSizeFor1Char(g.select('.tick')), counts = [];
+ var tickLength = Math.max(innerTickSize, 0) + tickPadding,
+ isVertical = orient === 'left' || orient === 'right';
+
+ // this should be called only when category axis
+ function splitTickText(d, maxWidth) {
+ var tickText = textFormatted(d),
+ subtext, spaceIndex, textWidth, splitted = [];
+
+ if (Object.prototype.toString.call(tickText) === "[object Array]") {
+ return tickText;
+ }
+
+ if (!maxWidth || maxWidth <= 0) {
+ maxWidth = isVertical ? 95 : params.isCategory ? (Math.ceil(scale1(ticks[1]) - scale1(ticks[0])) - 12) : 110;
+ }
+
+ function split(splitted, text) {
+ spaceIndex = undefined;
+ for (var i = 1; i < text.length; i++) {
+ if (text.charAt(i) === ' ') {
+ spaceIndex = i;
+ }
+ subtext = text.substr(0, i + 1);
+ textWidth = sizeFor1Char.w * subtext.length;
+ // if text width gets over tick width, split by space index or crrent index
+ if (maxWidth < textWidth) {
+ return split(
+ splitted.concat(text.substr(0, spaceIndex ? spaceIndex : i)),
+ text.slice(spaceIndex ? spaceIndex + 1 : i)
+ );
+ }
+ }
+ return splitted.concat(text);
+ }
+
+ return split(splitted, tickText + "");
+ }
+
+ function tspanDy(d, i) {
+ var dy = sizeFor1Char.h;
+ if (i === 0) {
+ if (orient === 'left' || orient === 'right') {
+ dy = -((counts[d.index] - 1) * (sizeFor1Char.h / 2) - 3);
+ } else {
+ dy = ".71em";
+ }
+ }
+ return dy;
+ }
+
+ function tickSize(d) {
+ var tickPosition = scale(d) + (tickCentered ? 0 : tickOffset);
+ return range[0] < tickPosition && tickPosition < range[1] ? innerTickSize : 0;
+ }
+
+ text = tick.select("text");
+ tspan = text.selectAll('tspan')
+ .data(function (d, i) {
+ var splitted = params.tickMultiline ? splitTickText(d, params.tickWidth) : [].concat(textFormatted(d));
+ counts[i] = splitted.length;
+ return splitted.map(function (s) {
+ return { index: i, splitted: s };
+ });
+ });
+ tspan.enter().append('tspan');
+ tspan.exit().remove();
+ tspan.text(function (d) { return d.splitted; });
+
+ switch (orient) {
+ case "bottom":
+ {
+ tickTransform = axisX;
+ lineEnter.attr("y2", innerTickSize);
+ textEnter.attr("y", tickLength);
+ lineUpdate.attr("x1", tickX).attr("x2", tickX).attr("y2", tickSize);
+ textUpdate.attr("x", 0).attr("y", tickLength);
+ text.style("text-anchor", "middle");
+ tspan.attr('x', 0).attr("dy", tspanDy);
+ pathUpdate.attr("d", "M" + range[0] + "," + outerTickSize + "V0H" + range[1] + "V" + outerTickSize);
+ break;
+ }
+ case "top":
+ {
+ tickTransform = axisX;
+ lineEnter.attr("y2", -innerTickSize);
+ textEnter.attr("y", -tickLength);
+ lineUpdate.attr("x2", 0).attr("y2", -innerTickSize);
+ textUpdate.attr("x", 0).attr("y", -tickLength);
+ text.style("text-anchor", "middle");
+ tspan.attr('x', 0).attr("dy", "0em");
+ pathUpdate.attr("d", "M" + range[0] + "," + -outerTickSize + "V0H" + range[1] + "V" + -outerTickSize);
+ break;
+ }
+ case "left":
+ {
+ tickTransform = axisY;
+ lineEnter.attr("x2", -innerTickSize);
+ textEnter.attr("x", -tickLength);
+ lineUpdate.attr("x2", -innerTickSize).attr("y1", tickY).attr("y2", tickY);
+ textUpdate.attr("x", -tickLength).attr("y", tickOffset);
+ text.style("text-anchor", "end");
+ tspan.attr('x', -tickLength).attr("dy", tspanDy);
+ pathUpdate.attr("d", "M" + -outerTickSize + "," + range[0] + "H0V" + range[1] + "H" + -outerTickSize);
+ break;
+ }
+ case "right":
+ {
+ tickTransform = axisY;
+ lineEnter.attr("x2", innerTickSize);
+ textEnter.attr("x", tickLength);
+ lineUpdate.attr("x2", innerTickSize).attr("y2", 0);
+ textUpdate.attr("x", tickLength).attr("y", 0);
+ text.style("text-anchor", "start");
+ tspan.attr('x', tickLength).attr("dy", tspanDy);
+ pathUpdate.attr("d", "M" + outerTickSize + "," + range[0] + "H0V" + range[1] + "H" + outerTickSize);
+ break;
+ }
+ }
+ if (scale1.rangeBand) {
+ var x = scale1, dx = x.rangeBand() / 2;
+ scale0 = scale1 = function (d) {
+ return x(d) + dx;
+ };
+ } else if (scale0.rangeBand) {
+ scale0 = scale1;
+ } else {
+ tickExit.call(tickTransform, scale1);
+ }
+ tickEnter.call(tickTransform, scale0);
+ tickUpdate.call(tickTransform, scale1);
+ });
+ }
+ axis.scale = function (x) {
+ if (!arguments.length) { return scale; }
+ scale = x;
+ return axis;
+ };
+ axis.orient = function (x) {
+ if (!arguments.length) { return orient; }
+ orient = x in {top: 1, right: 1, bottom: 1, left: 1} ? x + "" : "bottom";
+ return axis;
+ };
+ axis.tickFormat = function (format) {
+ if (!arguments.length) { return tickFormat; }
+ tickFormat = format;
+ return axis;
+ };
+ axis.tickCentered = function (isCentered) {
+ if (!arguments.length) { return tickCentered; }
+ tickCentered = isCentered;
+ return axis;
+ };
+ axis.tickOffset = function () { // This will be overwritten when normal x axis
+ return tickOffset;
+ };
+ axis.ticks = function () {
+ if (!arguments.length) { return tickArguments; }
+ tickArguments = arguments;
+ return axis;
+ };
+ axis.tickCulling = function (culling) {
+ if (!arguments.length) { return tickCulling; }
+ tickCulling = culling;
+ return axis;
+ };
+ axis.tickValues = function (x) {
+ if (typeof x === 'function') {
+ tickValues = function () {
+ return x(scale.domain());
+ };
+ }
+ else {
+ if (!arguments.length) { return tickValues; }
+ tickValues = x;
+ }
+ return axis;
+ };
+ return axis;
+ }
+
+ // fix problems using c3 with phantomjs #578
+ Function.prototype.bind = Function.prototype.bind || function (thisp) {
+ var fn = this;
+ return function () {
+ return fn.apply(thisp, arguments);
+ };
+ };
+
+ if (typeof define === 'function' && define.amd) {
+ define("c3", ["d3"], c3);
+ } else if ('undefined' !== typeof exports && 'undefined' !== typeof module) {
+ module.exports = c3;
+ } else {
+ window.c3 = c3;
+ }
+
+})(window);
diff --git a/data/templates/js/d3.js b/data/templates/js/d3.js
new file mode 100644
index 0000000..81e459f
--- /dev/null
+++ b/data/templates/js/d3.js
@@ -0,0 +1,9466 @@
+!function() {
+ var d3 = {
+ version: "3.5.3"
+ };
+ if (!Date.now) Date.now = function() {
+ return +new Date();
+ };
+ var d3_arraySlice = [].slice, d3_array = function(list) {
+ return d3_arraySlice.call(list);
+ };
+ var d3_document = document, d3_documentElement = d3_document.documentElement, d3_window = window;
+ try {
+ d3_array(d3_documentElement.childNodes)[0].nodeType;
+ } catch (e) {
+ d3_array = function(list) {
+ var i = list.length, array = new Array(i);
+ while (i--) array[i] = list[i];
+ return array;
+ };
+ }
+ try {
+ d3_document.createElement("div").style.setProperty("opacity", 0, "");
+ } catch (error) {
+ var d3_element_prototype = d3_window.Element.prototype, d3_element_setAttribute = d3_element_prototype.setAttribute, d3_element_setAttributeNS = d3_element_prototype.setAttributeNS, d3_style_prototype = d3_window.CSSStyleDeclaration.prototype, d3_style_setProperty = d3_style_prototype.setProperty;
+ d3_element_prototype.setAttribute = function(name, value) {
+ d3_element_setAttribute.call(this, name, value + "");
+ };
+ d3_element_prototype.setAttributeNS = function(space, local, value) {
+ d3_element_setAttributeNS.call(this, space, local, value + "");
+ };
+ d3_style_prototype.setProperty = function(name, value, priority) {
+ d3_style_setProperty.call(this, name, value + "", priority);
+ };
+ }
+ d3.ascending = d3_ascending;
+ function d3_ascending(a, b) {
+ return a < b ? -1 : a > b ? 1 : a >= b ? 0 : NaN;
+ }
+ d3.descending = function(a, b) {
+ return b < a ? -1 : b > a ? 1 : b >= a ? 0 : NaN;
+ };
+ d3.min = function(array, f) {
+ var i = -1, n = array.length, a, b;
+ if (arguments.length === 1) {
+ while (++i < n) if ((b = array[i]) != null && b >= b) {
+ a = b;
+ break;
+ }
+ while (++i < n) if ((b = array[i]) != null && a > b) a = b;
+ } else {
+ while (++i < n) if ((b = f.call(array, array[i], i)) != null && b >= b) {
+ a = b;
+ break;
+ }
+ while (++i < n) if ((b = f.call(array, array[i], i)) != null && a > b) a = b;
+ }
+ return a;
+ };
+ d3.max = function(array, f) {
+ var i = -1, n = array.length, a, b;
+ if (arguments.length === 1) {
+ while (++i < n) if ((b = array[i]) != null && b >= b) {
+ a = b;
+ break;
+ }
+ while (++i < n) if ((b = array[i]) != null && b > a) a = b;
+ } else {
+ while (++i < n) if ((b = f.call(array, array[i], i)) != null && b >= b) {
+ a = b;
+ break;
+ }
+ while (++i < n) if ((b = f.call(array, array[i], i)) != null && b > a) a = b;
+ }
+ return a;
+ };
+ d3.extent = function(array, f) {
+ var i = -1, n = array.length, a, b, c;
+ if (arguments.length === 1) {
+ while (++i < n) if ((b = array[i]) != null && b >= b) {
+ a = c = b;
+ break;
+ }
+ while (++i < n) if ((b = array[i]) != null) {
+ if (a > b) a = b;
+ if (c < b) c = b;
+ }
+ } else {
+ while (++i < n) if ((b = f.call(array, array[i], i)) != null && b >= b) {
+ a = c = b;
+ break;
+ }
+ while (++i < n) if ((b = f.call(array, array[i], i)) != null) {
+ if (a > b) a = b;
+ if (c < b) c = b;
+ }
+ }
+ return [ a, c ];
+ };
+ function d3_number(x) {
+ return x === null ? NaN : +x;
+ }
+ function d3_numeric(x) {
+ return !isNaN(x);
+ }
+ d3.sum = function(array, f) {
+ var s = 0, n = array.length, a, i = -1;
+ if (arguments.length === 1) {
+ while (++i < n) if (d3_numeric(a = +array[i])) s += a;
+ } else {
+ while (++i < n) if (d3_numeric(a = +f.call(array, array[i], i))) s += a;
+ }
+ return s;
+ };
+ d3.mean = function(array, f) {
+ var s = 0, n = array.length, a, i = -1, j = n;
+ if (arguments.length === 1) {
+ while (++i < n) if (d3_numeric(a = d3_number(array[i]))) s += a; else --j;
+ } else {
+ while (++i < n) if (d3_numeric(a = d3_number(f.call(array, array[i], i)))) s += a; else --j;
+ }
+ if (j) return s / j;
+ };
+ d3.quantile = function(values, p) {
+ var H = (values.length - 1) * p + 1, h = Math.floor(H), v = +values[h - 1], e = H - h;
+ return e ? v + e * (values[h] - v) : v;
+ };
+ d3.median = function(array, f) {
+ var numbers = [], n = array.length, a, i = -1;
+ if (arguments.length === 1) {
+ while (++i < n) if (d3_numeric(a = d3_number(array[i]))) numbers.push(a);
+ } else {
+ while (++i < n) if (d3_numeric(a = d3_number(f.call(array, array[i], i)))) numbers.push(a);
+ }
+ if (numbers.length) return d3.quantile(numbers.sort(d3_ascending), .5);
+ };
+ d3.variance = function(array, f) {
+ var n = array.length, m = 0, a, d, s = 0, i = -1, j = 0;
+ if (arguments.length === 1) {
+ while (++i < n) {
+ if (d3_numeric(a = d3_number(array[i]))) {
+ d = a - m;
+ m += d / ++j;
+ s += d * (a - m);
+ }
+ }
+ } else {
+ while (++i < n) {
+ if (d3_numeric(a = d3_number(f.call(array, array[i], i)))) {
+ d = a - m;
+ m += d / ++j;
+ s += d * (a - m);
+ }
+ }
+ }
+ if (j > 1) return s / (j - 1);
+ };
+ d3.deviation = function() {
+ var v = d3.variance.apply(this, arguments);
+ return v ? Math.sqrt(v) : v;
+ };
+ function d3_bisector(compare) {
+ return {
+ left: function(a, x, lo, hi) {
+ if (arguments.length < 3) lo = 0;
+ if (arguments.length < 4) hi = a.length;
+ while (lo < hi) {
+ var mid = lo + hi >>> 1;
+ if (compare(a[mid], x) < 0) lo = mid + 1; else hi = mid;
+ }
+ return lo;
+ },
+ right: function(a, x, lo, hi) {
+ if (arguments.length < 3) lo = 0;
+ if (arguments.length < 4) hi = a.length;
+ while (lo < hi) {
+ var mid = lo + hi >>> 1;
+ if (compare(a[mid], x) > 0) hi = mid; else lo = mid + 1;
+ }
+ return lo;
+ }
+ };
+ }
+ var d3_bisect = d3_bisector(d3_ascending);
+ d3.bisectLeft = d3_bisect.left;
+ d3.bisect = d3.bisectRight = d3_bisect.right;
+ d3.bisector = function(f) {
+ return d3_bisector(f.length === 1 ? function(d, x) {
+ return d3_ascending(f(d), x);
+ } : f);
+ };
+ d3.shuffle = function(array, i0, i1) {
+ if ((m = arguments.length) < 3) {
+ i1 = array.length;
+ if (m < 2) i0 = 0;
+ }
+ var m = i1 - i0, t, i;
+ while (m) {
+ i = Math.random() * m-- | 0;
+ t = array[m + i0], array[m + i0] = array[i + i0], array[i + i0] = t;
+ }
+ return array;
+ };
+ d3.permute = function(array, indexes) {
+ var i = indexes.length, permutes = new Array(i);
+ while (i--) permutes[i] = array[indexes[i]];
+ return permutes;
+ };
+ d3.pairs = function(array) {
+ var i = 0, n = array.length - 1, p0, p1 = array[0], pairs = new Array(n < 0 ? 0 : n);
+ while (i < n) pairs[i] = [ p0 = p1, p1 = array[++i] ];
+ return pairs;
+ };
+ d3.zip = function() {
+ if (!(n = arguments.length)) return [];
+ for (var i = -1, m = d3.min(arguments, d3_zipLength), zips = new Array(m); ++i < m; ) {
+ for (var j = -1, n, zip = zips[i] = new Array(n); ++j < n; ) {
+ zip[j] = arguments[j][i];
+ }
+ }
+ return zips;
+ };
+ function d3_zipLength(d) {
+ return d.length;
+ }
+ d3.transpose = function(matrix) {
+ return d3.zip.apply(d3, matrix);
+ };
+ d3.keys = function(map) {
+ var keys = [];
+ for (var key in map) keys.push(key);
+ return keys;
+ };
+ d3.values = function(map) {
+ var values = [];
+ for (var key in map) values.push(map[key]);
+ return values;
+ };
+ d3.entries = function(map) {
+ var entries = [];
+ for (var key in map) entries.push({
+ key: key,
+ value: map[key]
+ });
+ return entries;
+ };
+ d3.merge = function(arrays) {
+ var n = arrays.length, m, i = -1, j = 0, merged, array;
+ while (++i < n) j += arrays[i].length;
+ merged = new Array(j);
+ while (--n >= 0) {
+ array = arrays[n];
+ m = array.length;
+ while (--m >= 0) {
+ merged[--j] = array[m];
+ }
+ }
+ return merged;
+ };
+ var abs = Math.abs;
+ d3.range = function(start, stop, step) {
+ if (arguments.length < 3) {
+ step = 1;
+ if (arguments.length < 2) {
+ stop = start;
+ start = 0;
+ }
+ }
+ if ((stop - start) / step === Infinity) throw new Error("infinite range");
+ var range = [], k = d3_range_integerScale(abs(step)), i = -1, j;
+ start *= k, stop *= k, step *= k;
+ if (step < 0) while ((j = start + step * ++i) > stop) range.push(j / k); else while ((j = start + step * ++i) < stop) range.push(j / k);
+ return range;
+ };
+ function d3_range_integerScale(x) {
+ var k = 1;
+ while (x * k % 1) k *= 10;
+ return k;
+ }
+ function d3_class(ctor, properties) {
+ for (var key in properties) {
+ Object.defineProperty(ctor.prototype, key, {
+ value: properties[key],
+ enumerable: false
+ });
+ }
+ }
+ d3.map = function(object, f) {
+ var map = new d3_Map();
+ if (object instanceof d3_Map) {
+ object.forEach(function(key, value) {
+ map.set(key, value);
+ });
+ } else if (Array.isArray(object)) {
+ var i = -1, n = object.length, o;
+ if (arguments.length === 1) while (++i < n) map.set(i, object[i]); else while (++i < n) map.set(f.call(object, o = object[i], i), o);
+ } else {
+ for (var key in object) map.set(key, object[key]);
+ }
+ return map;
+ };
+ function d3_Map() {
+ this._ = Object.create(null);
+ }
+ var d3_map_proto = "__proto__", d3_map_zero = "\x00";
+ d3_class(d3_Map, {
+ has: d3_map_has,
+ get: function(key) {
+ return this._[d3_map_escape(key)];
+ },
+ set: function(key, value) {
+ return this._[d3_map_escape(key)] = value;
+ },
+ remove: d3_map_remove,
+ keys: d3_map_keys,
+ values: function() {
+ var values = [];
+ for (var key in this._) values.push(this._[key]);
+ return values;
+ },
+ entries: function() {
+ var entries = [];
+ for (var key in this._) entries.push({
+ key: d3_map_unescape(key),
+ value: this._[key]
+ });
+ return entries;
+ },
+ size: d3_map_size,
+ empty: d3_map_empty,
+ forEach: function(f) {
+ for (var key in this._) f.call(this, d3_map_unescape(key), this._[key]);
+ }
+ });
+ function d3_map_escape(key) {
+ return (key += "") === d3_map_proto || key[0] === d3_map_zero ? d3_map_zero + key : key;
+ }
+ function d3_map_unescape(key) {
+ return (key += "")[0] === d3_map_zero ? key.slice(1) : key;
+ }
+ function d3_map_has(key) {
+ return d3_map_escape(key) in this._;
+ }
+ function d3_map_remove(key) {
+ return (key = d3_map_escape(key)) in this._ && delete this._[key];
+ }
+ function d3_map_keys() {
+ var keys = [];
+ for (var key in this._) keys.push(d3_map_unescape(key));
+ return keys;
+ }
+ function d3_map_size() {
+ var size = 0;
+ for (var key in this._) ++size;
+ return size;
+ }
+ function d3_map_empty() {
+ for (var key in this._) return false;
+ return true;
+ }
+ d3.nest = function() {
+ var nest = {}, keys = [], sortKeys = [], sortValues, rollup;
+ function map(mapType, array, depth) {
+ if (depth >= keys.length) return rollup ? rollup.call(nest, array) : sortValues ? array.sort(sortValues) : array;
+ var i = -1, n = array.length, key = keys[depth++], keyValue, object, setter, valuesByKey = new d3_Map(), values;
+ while (++i < n) {
+ if (values = valuesByKey.get(keyValue = key(object = array[i]))) {
+ values.push(object);
+ } else {
+ valuesByKey.set(keyValue, [ object ]);
+ }
+ }
+ if (mapType) {
+ object = mapType();
+ setter = function(keyValue, values) {
+ object.set(keyValue, map(mapType, values, depth));
+ };
+ } else {
+ object = {};
+ setter = function(keyValue, values) {
+ object[keyValue] = map(mapType, values, depth);
+ };
+ }
+ valuesByKey.forEach(setter);
+ return object;
+ }
+ function entries(map, depth) {
+ if (depth >= keys.length) return map;
+ var array = [], sortKey = sortKeys[depth++];
+ map.forEach(function(key, keyMap) {
+ array.push({
+ key: key,
+ values: entries(keyMap, depth)
+ });
+ });
+ return sortKey ? array.sort(function(a, b) {
+ return sortKey(a.key, b.key);
+ }) : array;
+ }
+ nest.map = function(array, mapType) {
+ return map(mapType, array, 0);
+ };
+ nest.entries = function(array) {
+ return entries(map(d3.map, array, 0), 0);
+ };
+ nest.key = function(d) {
+ keys.push(d);
+ return nest;
+ };
+ nest.sortKeys = function(order) {
+ sortKeys[keys.length - 1] = order;
+ return nest;
+ };
+ nest.sortValues = function(order) {
+ sortValues = order;
+ return nest;
+ };
+ nest.rollup = function(f) {
+ rollup = f;
+ return nest;
+ };
+ return nest;
+ };
+ d3.set = function(array) {
+ var set = new d3_Set();
+ if (array) for (var i = 0, n = array.length; i < n; ++i) set.add(array[i]);
+ return set;
+ };
+ function d3_Set() {
+ this._ = Object.create(null);
+ }
+ d3_class(d3_Set, {
+ has: d3_map_has,
+ add: function(key) {
+ this._[d3_map_escape(key += "")] = true;
+ return key;
+ },
+ remove: d3_map_remove,
+ values: d3_map_keys,
+ size: d3_map_size,
+ empty: d3_map_empty,
+ forEach: function(f) {
+ for (var key in this._) f.call(this, d3_map_unescape(key));
+ }
+ });
+ d3.behavior = {};
+ d3.rebind = function(target, source) {
+ var i = 1, n = arguments.length, method;
+ while (++i < n) target[method = arguments[i]] = d3_rebind(target, source, source[method]);
+ return target;
+ };
+ function d3_rebind(target, source, method) {
+ return function() {
+ var value = method.apply(source, arguments);
+ return value === source ? target : value;
+ };
+ }
+ function d3_vendorSymbol(object, name) {
+ if (name in object) return name;
+ name = name.charAt(0).toUpperCase() + name.slice(1);
+ for (var i = 0, n = d3_vendorPrefixes.length; i < n; ++i) {
+ var prefixName = d3_vendorPrefixes[i] + name;
+ if (prefixName in object) return prefixName;
+ }
+ }
+ var d3_vendorPrefixes = [ "webkit", "ms", "moz", "Moz", "o", "O" ];
+ function d3_noop() {}
+ d3.dispatch = function() {
+ var dispatch = new d3_dispatch(), i = -1, n = arguments.length;
+ while (++i < n) dispatch[arguments[i]] = d3_dispatch_event(dispatch);
+ return dispatch;
+ };
+ function d3_dispatch() {}
+ d3_dispatch.prototype.on = function(type, listener) {
+ var i = type.indexOf("."), name = "";
+ if (i >= 0) {
+ name = type.slice(i + 1);
+ type = type.slice(0, i);
+ }
+ if (type) return arguments.length < 2 ? this[type].on(name) : this[type].on(name, listener);
+ if (arguments.length === 2) {
+ if (listener == null) for (type in this) {
+ if (this.hasOwnProperty(type)) this[type].on(name, null);
+ }
+ return this;
+ }
+ };
+ function d3_dispatch_event(dispatch) {
+ var listeners = [], listenerByName = new d3_Map();
+ function event() {
+ var z = listeners, i = -1, n = z.length, l;
+ while (++i < n) if (l = z[i].on) l.apply(this, arguments);
+ return dispatch;
+ }
+ event.on = function(name, listener) {
+ var l = listenerByName.get(name), i;
+ if (arguments.length < 2) return l && l.on;
+ if (l) {
+ l.on = null;
+ listeners = listeners.slice(0, i = listeners.indexOf(l)).concat(listeners.slice(i + 1));
+ listenerByName.remove(name);
+ }
+ if (listener) listeners.push(listenerByName.set(name, {
+ on: listener
+ }));
+ return dispatch;
+ };
+ return event;
+ }
+ d3.event = null;
+ function d3_eventPreventDefault() {
+ d3.event.preventDefault();
+ }
+ function d3_eventSource() {
+ var e = d3.event, s;
+ while (s = e.sourceEvent) e = s;
+ return e;
+ }
+ function d3_eventDispatch(target) {
+ var dispatch = new d3_dispatch(), i = 0, n = arguments.length;
+ while (++i < n) dispatch[arguments[i]] = d3_dispatch_event(dispatch);
+ dispatch.of = function(thiz, argumentz) {
+ return function(e1) {
+ try {
+ var e0 = e1.sourceEvent = d3.event;
+ e1.target = target;
+ d3.event = e1;
+ dispatch[e1.type].apply(thiz, argumentz);
+ } finally {
+ d3.event = e0;
+ }
+ };
+ };
+ return dispatch;
+ }
+ d3.requote = function(s) {
+ return s.replace(d3_requote_re, "\\$&");
+ };
+ var d3_requote_re = /[\\\^\$\*\+\?\|\[\]\(\)\.\{\}]/g;
+ var d3_subclass = {}.__proto__ ? function(object, prototype) {
+ object.__proto__ = prototype;
+ } : function(object, prototype) {
+ for (var property in prototype) object[property] = prototype[property];
+ };
+ function d3_selection(groups) {
+ d3_subclass(groups, d3_selectionPrototype);
+ return groups;
+ }
+ var d3_select = function(s, n) {
+ return n.querySelector(s);
+ }, d3_selectAll = function(s, n) {
+ return n.querySelectorAll(s);
+ }, d3_selectMatcher = d3_documentElement.matches || d3_documentElement[d3_vendorSymbol(d3_documentElement, "matchesSelector")], d3_selectMatches = function(n, s) {
+ return d3_selectMatcher.call(n, s);
+ };
+ if (typeof Sizzle === "function") {
+ d3_select = function(s, n) {
+ return Sizzle(s, n)[0] || null;
+ };
+ d3_selectAll = Sizzle;
+ d3_selectMatches = Sizzle.matchesSelector;
+ }
+ d3.selection = function() {
+ return d3_selectionRoot;
+ };
+ var d3_selectionPrototype = d3.selection.prototype = [];
+ d3_selectionPrototype.select = function(selector) {
+ var subgroups = [], subgroup, subnode, group, node;
+ selector = d3_selection_selector(selector);
+ for (var j = -1, m = this.length; ++j < m; ) {
+ subgroups.push(subgroup = []);
+ subgroup.parentNode = (group = this[j]).parentNode;
+ for (var i = -1, n = group.length; ++i < n; ) {
+ if (node = group[i]) {
+ subgroup.push(subnode = selector.call(node, node.__data__, i, j));
+ if (subnode && "__data__" in node) subnode.__data__ = node.__data__;
+ } else {
+ subgroup.push(null);
+ }
+ }
+ }
+ return d3_selection(subgroups);
+ };
+ function d3_selection_selector(selector) {
+ return typeof selector === "function" ? selector : function() {
+ return d3_select(selector, this);
+ };
+ }
+ d3_selectionPrototype.selectAll = function(selector) {
+ var subgroups = [], subgroup, node;
+ selector = d3_selection_selectorAll(selector);
+ for (var j = -1, m = this.length; ++j < m; ) {
+ for (var group = this[j], i = -1, n = group.length; ++i < n; ) {
+ if (node = group[i]) {
+ subgroups.push(subgroup = d3_array(selector.call(node, node.__data__, i, j)));
+ subgroup.parentNode = node;
+ }
+ }
+ }
+ return d3_selection(subgroups);
+ };
+ function d3_selection_selectorAll(selector) {
+ return typeof selector === "function" ? selector : function() {
+ return d3_selectAll(selector, this);
+ };
+ }
+ var d3_nsPrefix = {
+ svg: "http://www.w3.org/2000/svg",
+ xhtml: "http://www.w3.org/1999/xhtml",
+ xlink: "http://www.w3.org/1999/xlink",
+ xml: "http://www.w3.org/XML/1998/namespace",
+ xmlns: "http://www.w3.org/2000/xmlns/"
+ };
+ d3.ns = {
+ prefix: d3_nsPrefix,
+ qualify: function(name) {
+ var i = name.indexOf(":"), prefix = name;
+ if (i >= 0) {
+ prefix = name.slice(0, i);
+ name = name.slice(i + 1);
+ }
+ return d3_nsPrefix.hasOwnProperty(prefix) ? {
+ space: d3_nsPrefix[prefix],
+ local: name
+ } : name;
+ }
+ };
+ d3_selectionPrototype.attr = function(name, value) {
+ if (arguments.length < 2) {
+ if (typeof name === "string") {
+ var node = this.node();
+ name = d3.ns.qualify(name);
+ return name.local ? node.getAttributeNS(name.space, name.local) : node.getAttribute(name);
+ }
+ for (value in name) this.each(d3_selection_attr(value, name[value]));
+ return this;
+ }
+ return this.each(d3_selection_attr(name, value));
+ };
+ function d3_selection_attr(name, value) {
+ name = d3.ns.qualify(name);
+ function attrNull() {
+ this.removeAttribute(name);
+ }
+ function attrNullNS() {
+ this.removeAttributeNS(name.space, name.local);
+ }
+ function attrConstant() {
+ this.setAttribute(name, value);
+ }
+ function attrConstantNS() {
+ this.setAttributeNS(name.space, name.local, value);
+ }
+ function attrFunction() {
+ var x = value.apply(this, arguments);
+ if (x == null) this.removeAttribute(name); else this.setAttribute(name, x);
+ }
+ function attrFunctionNS() {
+ var x = value.apply(this, arguments);
+ if (x == null) this.removeAttributeNS(name.space, name.local); else this.setAttributeNS(name.space, name.local, x);
+ }
+ return value == null ? name.local ? attrNullNS : attrNull : typeof value === "function" ? name.local ? attrFunctionNS : attrFunction : name.local ? attrConstantNS : attrConstant;
+ }
+ function d3_collapse(s) {
+ return s.trim().replace(/\s+/g, " ");
+ }
+ d3_selectionPrototype.classed = function(name, value) {
+ if (arguments.length < 2) {
+ if (typeof name === "string") {
+ var node = this.node(), n = (name = d3_selection_classes(name)).length, i = -1;
+ if (value = node.classList) {
+ while (++i < n) if (!value.contains(name[i])) return false;
+ } else {
+ value = node.getAttribute("class");
+ while (++i < n) if (!d3_selection_classedRe(name[i]).test(value)) return false;
+ }
+ return true;
+ }
+ for (value in name) this.each(d3_selection_classed(value, name[value]));
+ return this;
+ }
+ return this.each(d3_selection_classed(name, value));
+ };
+ function d3_selection_classedRe(name) {
+ return new RegExp("(?:^|\\s+)" + d3.requote(name) + "(?:\\s+|$)", "g");
+ }
+ function d3_selection_classes(name) {
+ return (name + "").trim().split(/^|\s+/);
+ }
+ function d3_selection_classed(name, value) {
+ name = d3_selection_classes(name).map(d3_selection_classedName);
+ var n = name.length;
+ function classedConstant() {
+ var i = -1;
+ while (++i < n) name[i](this, value);
+ }
+ function classedFunction() {
+ var i = -1, x = value.apply(this, arguments);
+ while (++i < n) name[i](this, x);
+ }
+ return typeof value === "function" ? classedFunction : classedConstant;
+ }
+ function d3_selection_classedName(name) {
+ var re = d3_selection_classedRe(name);
+ return function(node, value) {
+ if (c = node.classList) return value ? c.add(name) : c.remove(name);
+ var c = node.getAttribute("class") || "";
+ if (value) {
+ re.lastIndex = 0;
+ if (!re.test(c)) node.setAttribute("class", d3_collapse(c + " " + name));
+ } else {
+ node.setAttribute("class", d3_collapse(c.replace(re, " ")));
+ }
+ };
+ }
+ d3_selectionPrototype.style = function(name, value, priority) {
+ var n = arguments.length;
+ if (n < 3) {
+ if (typeof name !== "string") {
+ if (n < 2) value = "";
+ for (priority in name) this.each(d3_selection_style(priority, name[priority], value));
+ return this;
+ }
+ if (n < 2) return d3_window.getComputedStyle(this.node(), null).getPropertyValue(name);
+ priority = "";
+ }
+ return this.each(d3_selection_style(name, value, priority));
+ };
+ function d3_selection_style(name, value, priority) {
+ function styleNull() {
+ this.style.removeProperty(name);
+ }
+ function styleConstant() {
+ this.style.setProperty(name, value, priority);
+ }
+ function styleFunction() {
+ var x = value.apply(this, arguments);
+ if (x == null) this.style.removeProperty(name); else this.style.setProperty(name, x, priority);
+ }
+ return value == null ? styleNull : typeof value === "function" ? styleFunction : styleConstant;
+ }
+ d3_selectionPrototype.property = function(name, value) {
+ if (arguments.length < 2) {
+ if (typeof name === "string") return this.node()[name];
+ for (value in name) this.each(d3_selection_property(value, name[value]));
+ return this;
+ }
+ return this.each(d3_selection_property(name, value));
+ };
+ function d3_selection_property(name, value) {
+ function propertyNull() {
+ delete this[name];
+ }
+ function propertyConstant() {
+ this[name] = value;
+ }
+ function propertyFunction() {
+ var x = value.apply(this, arguments);
+ if (x == null) delete this[name]; else this[name] = x;
+ }
+ return value == null ? propertyNull : typeof value === "function" ? propertyFunction : propertyConstant;
+ }
+ d3_selectionPrototype.text = function(value) {
+ return arguments.length ? this.each(typeof value === "function" ? function() {
+ var v = value.apply(this, arguments);
+ this.textContent = v == null ? "" : v;
+ } : value == null ? function() {
+ this.textContent = "";
+ } : function() {
+ this.textContent = value;
+ }) : this.node().textContent;
+ };
+ d3_selectionPrototype.html = function(value) {
+ return arguments.length ? this.each(typeof value === "function" ? function() {
+ var v = value.apply(this, arguments);
+ this.innerHTML = v == null ? "" : v;
+ } : value == null ? function() {
+ this.innerHTML = "";
+ } : function() {
+ this.innerHTML = value;
+ }) : this.node().innerHTML;
+ };
+ d3_selectionPrototype.append = function(name) {
+ name = d3_selection_creator(name);
+ return this.select(function() {
+ return this.appendChild(name.apply(this, arguments));
+ });
+ };
+ function d3_selection_creator(name) {
+ return typeof name === "function" ? name : (name = d3.ns.qualify(name)).local ? function() {
+ return this.ownerDocument.createElementNS(name.space, name.local);
+ } : function() {
+ return this.ownerDocument.createElementNS(this.namespaceURI, name);
+ };
+ }
+ d3_selectionPrototype.insert = function(name, before) {
+ name = d3_selection_creator(name);
+ before = d3_selection_selector(before);
+ return this.select(function() {
+ return this.insertBefore(name.apply(this, arguments), before.apply(this, arguments) || null);
+ });
+ };
+ d3_selectionPrototype.remove = function() {
+ return this.each(d3_selectionRemove);
+ };
+ function d3_selectionRemove() {
+ var parent = this.parentNode;
+ if (parent) parent.removeChild(this);
+ }
+ d3_selectionPrototype.data = function(value, key) {
+ var i = -1, n = this.length, group, node;
+ if (!arguments.length) {
+ value = new Array(n = (group = this[0]).length);
+ while (++i < n) {
+ if (node = group[i]) {
+ value[i] = node.__data__;
+ }
+ }
+ return value;
+ }
+ function bind(group, groupData) {
+ var i, n = group.length, m = groupData.length, n0 = Math.min(n, m), updateNodes = new Array(m), enterNodes = new Array(m), exitNodes = new Array(n), node, nodeData;
+ if (key) {
+ var nodeByKeyValue = new d3_Map(), keyValues = new Array(n), keyValue;
+ for (i = -1; ++i < n; ) {
+ if (nodeByKeyValue.has(keyValue = key.call(node = group[i], node.__data__, i))) {
+ exitNodes[i] = node;
+ } else {
+ nodeByKeyValue.set(keyValue, node);
+ }
+ keyValues[i] = keyValue;
+ }
+ for (i = -1; ++i < m; ) {
+ if (!(node = nodeByKeyValue.get(keyValue = key.call(groupData, nodeData = groupData[i], i)))) {
+ enterNodes[i] = d3_selection_dataNode(nodeData);
+ } else if (node !== true) {
+ updateNodes[i] = node;
+ node.__data__ = nodeData;
+ }
+ nodeByKeyValue.set(keyValue, true);
+ }
+ for (i = -1; ++i < n; ) {
+ if (nodeByKeyValue.get(keyValues[i]) !== true) {
+ exitNodes[i] = group[i];
+ }
+ }
+ } else {
+ for (i = -1; ++i < n0; ) {
+ node = group[i];
+ nodeData = groupData[i];
+ if (node) {
+ node.__data__ = nodeData;
+ updateNodes[i] = node;
+ } else {
+ enterNodes[i] = d3_selection_dataNode(nodeData);
+ }
+ }
+ for (;i < m; ++i) {
+ enterNodes[i] = d3_selection_dataNode(groupData[i]);
+ }
+ for (;i < n; ++i) {
+ exitNodes[i] = group[i];
+ }
+ }
+ enterNodes.update = updateNodes;
+ enterNodes.parentNode = updateNodes.parentNode = exitNodes.parentNode = group.parentNode;
+ enter.push(enterNodes);
+ update.push(updateNodes);
+ exit.push(exitNodes);
+ }
+ var enter = d3_selection_enter([]), update = d3_selection([]), exit = d3_selection([]);
+ if (typeof value === "function") {
+ while (++i < n) {
+ bind(group = this[i], value.call(group, group.parentNode.__data__, i));
+ }
+ } else {
+ while (++i < n) {
+ bind(group = this[i], value);
+ }
+ }
+ update.enter = function() {
+ return enter;
+ };
+ update.exit = function() {
+ return exit;
+ };
+ return update;
+ };
+ function d3_selection_dataNode(data) {
+ return {
+ __data__: data
+ };
+ }
+ d3_selectionPrototype.datum = function(value) {
+ return arguments.length ? this.property("__data__", value) : this.property("__data__");
+ };
+ d3_selectionPrototype.filter = function(filter) {
+ var subgroups = [], subgroup, group, node;
+ if (typeof filter !== "function") filter = d3_selection_filter(filter);
+ for (var j = 0, m = this.length; j < m; j++) {
+ subgroups.push(subgroup = []);
+ subgroup.parentNode = (group = this[j]).parentNode;
+ for (var i = 0, n = group.length; i < n; i++) {
+ if ((node = group[i]) && filter.call(node, node.__data__, i, j)) {
+ subgroup.push(node);
+ }
+ }
+ }
+ return d3_selection(subgroups);
+ };
+ function d3_selection_filter(selector) {
+ return function() {
+ return d3_selectMatches(this, selector);
+ };
+ }
+ d3_selectionPrototype.order = function() {
+ for (var j = -1, m = this.length; ++j < m; ) {
+ for (var group = this[j], i = group.length - 1, next = group[i], node; --i >= 0; ) {
+ if (node = group[i]) {
+ if (next && next !== node.nextSibling) next.parentNode.insertBefore(node, next);
+ next = node;
+ }
+ }
+ }
+ return this;
+ };
+ d3_selectionPrototype.sort = function(comparator) {
+ comparator = d3_selection_sortComparator.apply(this, arguments);
+ for (var j = -1, m = this.length; ++j < m; ) this[j].sort(comparator);
+ return this.order();
+ };
+ function d3_selection_sortComparator(comparator) {
+ if (!arguments.length) comparator = d3_ascending;
+ return function(a, b) {
+ return a && b ? comparator(a.__data__, b.__data__) : !a - !b;
+ };
+ }
+ d3_selectionPrototype.each = function(callback) {
+ return d3_selection_each(this, function(node, i, j) {
+ callback.call(node, node.__data__, i, j);
+ });
+ };
+ function d3_selection_each(groups, callback) {
+ for (var j = 0, m = groups.length; j < m; j++) {
+ for (var group = groups[j], i = 0, n = group.length, node; i < n; i++) {
+ if (node = group[i]) callback(node, i, j);
+ }
+ }
+ return groups;
+ }
+ d3_selectionPrototype.call = function(callback) {
+ var args = d3_array(arguments);
+ callback.apply(args[0] = this, args);
+ return this;
+ };
+ d3_selectionPrototype.empty = function() {
+ return !this.node();
+ };
+ d3_selectionPrototype.node = function() {
+ for (var j = 0, m = this.length; j < m; j++) {
+ for (var group = this[j], i = 0, n = group.length; i < n; i++) {
+ var node = group[i];
+ if (node) return node;
+ }
+ }
+ return null;
+ };
+ d3_selectionPrototype.size = function() {
+ var n = 0;
+ d3_selection_each(this, function() {
+ ++n;
+ });
+ return n;
+ };
+ function d3_selection_enter(selection) {
+ d3_subclass(selection, d3_selection_enterPrototype);
+ return selection;
+ }
+ var d3_selection_enterPrototype = [];
+ d3.selection.enter = d3_selection_enter;
+ d3.selection.enter.prototype = d3_selection_enterPrototype;
+ d3_selection_enterPrototype.append = d3_selectionPrototype.append;
+ d3_selection_enterPrototype.empty = d3_selectionPrototype.empty;
+ d3_selection_enterPrototype.node = d3_selectionPrototype.node;
+ d3_selection_enterPrototype.call = d3_selectionPrototype.call;
+ d3_selection_enterPrototype.size = d3_selectionPrototype.size;
+ d3_selection_enterPrototype.select = function(selector) {
+ var subgroups = [], subgroup, subnode, upgroup, group, node;
+ for (var j = -1, m = this.length; ++j < m; ) {
+ upgroup = (group = this[j]).update;
+ subgroups.push(subgroup = []);
+ subgroup.parentNode = group.parentNode;
+ for (var i = -1, n = group.length; ++i < n; ) {
+ if (node = group[i]) {
+ subgroup.push(upgroup[i] = subnode = selector.call(group.parentNode, node.__data__, i, j));
+ subnode.__data__ = node.__data__;
+ } else {
+ subgroup.push(null);
+ }
+ }
+ }
+ return d3_selection(subgroups);
+ };
+ d3_selection_enterPrototype.insert = function(name, before) {
+ if (arguments.length < 2) before = d3_selection_enterInsertBefore(this);
+ return d3_selectionPrototype.insert.call(this, name, before);
+ };
+ function d3_selection_enterInsertBefore(enter) {
+ var i0, j0;
+ return function(d, i, j) {
+ var group = enter[j].update, n = group.length, node;
+ if (j != j0) j0 = j, i0 = 0;
+ if (i >= i0) i0 = i + 1;
+ while (!(node = group[i0]) && ++i0 < n) ;
+ return node;
+ };
+ }
+ d3.select = function(node) {
+ var group = [ typeof node === "string" ? d3_select(node, d3_document) : node ];
+ group.parentNode = d3_documentElement;
+ return d3_selection([ group ]);
+ };
+ d3.selectAll = function(nodes) {
+ var group = d3_array(typeof nodes === "string" ? d3_selectAll(nodes, d3_document) : nodes);
+ group.parentNode = d3_documentElement;
+ return d3_selection([ group ]);
+ };
+ var d3_selectionRoot = d3.select(d3_documentElement);
+ d3_selectionPrototype.on = function(type, listener, capture) {
+ var n = arguments.length;
+ if (n < 3) {
+ if (typeof type !== "string") {
+ if (n < 2) listener = false;
+ for (capture in type) this.each(d3_selection_on(capture, type[capture], listener));
+ return this;
+ }
+ if (n < 2) return (n = this.node()["__on" + type]) && n._;
+ capture = false;
+ }
+ return this.each(d3_selection_on(type, listener, capture));
+ };
+ function d3_selection_on(type, listener, capture) {
+ var name = "__on" + type, i = type.indexOf("."), wrap = d3_selection_onListener;
+ if (i > 0) type = type.slice(0, i);
+ var filter = d3_selection_onFilters.get(type);
+ if (filter) type = filter, wrap = d3_selection_onFilter;
+ function onRemove() {
+ var l = this[name];
+ if (l) {
+ this.removeEventListener(type, l, l.$);
+ delete this[name];
+ }
+ }
+ function onAdd() {
+ var l = wrap(listener, d3_array(arguments));
+ onRemove.call(this);
+ this.addEventListener(type, this[name] = l, l.$ = capture);
+ l._ = listener;
+ }
+ function removeAll() {
+ var re = new RegExp("^__on([^.]+)" + d3.requote(type) + "$"), match;
+ for (var name in this) {
+ if (match = name.match(re)) {
+ var l = this[name];
+ this.removeEventListener(match[1], l, l.$);
+ delete this[name];
+ }
+ }
+ }
+ return i ? listener ? onAdd : onRemove : listener ? d3_noop : removeAll;
+ }
+ var d3_selection_onFilters = d3.map({
+ mouseenter: "mouseover",
+ mouseleave: "mouseout"
+ });
+ d3_selection_onFilters.forEach(function(k) {
+ if ("on" + k in d3_document) d3_selection_onFilters.remove(k);
+ });
+ function d3_selection_onListener(listener, argumentz) {
+ return function(e) {
+ var o = d3.event;
+ d3.event = e;
+ argumentz[0] = this.__data__;
+ try {
+ listener.apply(this, argumentz);
+ } finally {
+ d3.event = o;
+ }
+ };
+ }
+ function d3_selection_onFilter(listener, argumentz) {
+ var l = d3_selection_onListener(listener, argumentz);
+ return function(e) {
+ var target = this, related = e.relatedTarget;
+ if (!related || related !== target && !(related.compareDocumentPosition(target) & 8)) {
+ l.call(target, e);
+ }
+ };
+ }
+ var d3_event_dragSelect = "onselectstart" in d3_document ? null : d3_vendorSymbol(d3_documentElement.style, "userSelect"), d3_event_dragId = 0;
+ function d3_event_dragSuppress() {
+ var name = ".dragsuppress-" + ++d3_event_dragId, click = "click" + name, w = d3.select(d3_window).on("touchmove" + name, d3_eventPreventDefault).on("dragstart" + name, d3_eventPreventDefault).on("selectstart" + name, d3_eventPreventDefault);
+ if (d3_event_dragSelect) {
+ var style = d3_documentElement.style, select = style[d3_event_dragSelect];
+ style[d3_event_dragSelect] = "none";
+ }
+ return function(suppressClick) {
+ w.on(name, null);
+ if (d3_event_dragSelect) style[d3_event_dragSelect] = select;
+ if (suppressClick) {
+ var off = function() {
+ w.on(click, null);
+ };
+ w.on(click, function() {
+ d3_eventPreventDefault();
+ off();
+ }, true);
+ setTimeout(off, 0);
+ }
+ };
+ }
+ d3.mouse = function(container) {
+ return d3_mousePoint(container, d3_eventSource());
+ };
+ var d3_mouse_bug44083 = /WebKit/.test(d3_window.navigator.userAgent) ? -1 : 0;
+ function d3_mousePoint(container, e) {
+ if (e.changedTouches) e = e.changedTouches[0];
+ var svg = container.ownerSVGElement || container;
+ if (svg.createSVGPoint) {
+ var point = svg.createSVGPoint();
+ if (d3_mouse_bug44083 < 0 && (d3_window.scrollX || d3_window.scrollY)) {
+ svg = d3.select("body").append("svg").style({
+ position: "absolute",
+ top: 0,
+ left: 0,
+ margin: 0,
+ padding: 0,
+ border: "none"
+ }, "important");
+ var ctm = svg[0][0].getScreenCTM();
+ d3_mouse_bug44083 = !(ctm.f || ctm.e);
+ svg.remove();
+ }
+ if (d3_mouse_bug44083) point.x = e.pageX, point.y = e.pageY; else point.x = e.clientX,
+ point.y = e.clientY;
+ point = point.matrixTransform(container.getScreenCTM().inverse());
+ return [ point.x, point.y ];
+ }
+ var rect = container.getBoundingClientRect();
+ return [ e.clientX - rect.left - container.clientLeft, e.clientY - rect.top - container.clientTop ];
+ }
+ d3.touch = function(container, touches, identifier) {
+ if (arguments.length < 3) identifier = touches, touches = d3_eventSource().changedTouches;
+ if (touches) for (var i = 0, n = touches.length, touch; i < n; ++i) {
+ if ((touch = touches[i]).identifier === identifier) {
+ return d3_mousePoint(container, touch);
+ }
+ }
+ };
+ d3.behavior.drag = function() {
+ var event = d3_eventDispatch(drag, "drag", "dragstart", "dragend"), origin = null, mousedown = dragstart(d3_noop, d3.mouse, d3_behavior_dragMouseSubject, "mousemove", "mouseup"), touchstart = dragstart(d3_behavior_dragTouchId, d3.touch, d3_behavior_dragTouchSubject, "touchmove", "touchend");
+ function drag() {
+ this.on("mousedown.drag", mousedown).on("touchstart.drag", touchstart);
+ }
+ function dragstart(id, position, subject, move, end) {
+ return function() {
+ var that = this, target = d3.event.target, parent = that.parentNode, dispatch = event.of(that, arguments), dragged = 0, dragId = id(), dragName = ".drag" + (dragId == null ? "" : "-" + dragId), dragOffset, dragSubject = d3.select(subject()).on(move + dragName, moved).on(end + dragName, ended), dragRestore = d3_event_dragSuppress(), position0 = position(parent, dragId);
+ if (origin) {
+ dragOffset = origin.apply(that, arguments);
+ dragOffset = [ dragOffset.x - position0[0], dragOffset.y - position0[1] ];
+ } else {
+ dragOffset = [ 0, 0 ];
+ }
+ dispatch({
+ type: "dragstart"
+ });
+ function moved() {
+ var position1 = position(parent, dragId), dx, dy;
+ if (!position1) return;
+ dx = position1[0] - position0[0];
+ dy = position1[1] - position0[1];
+ dragged |= dx | dy;
+ position0 = position1;
+ dispatch({
+ type: "drag",
+ x: position1[0] + dragOffset[0],
+ y: position1[1] + dragOffset[1],
+ dx: dx,
+ dy: dy
+ });
+ }
+ function ended() {
+ if (!position(parent, dragId)) return;
+ dragSubject.on(move + dragName, null).on(end + dragName, null);
+ dragRestore(dragged && d3.event.target === target);
+ dispatch({
+ type: "dragend"
+ });
+ }
+ };
+ }
+ drag.origin = function(x) {
+ if (!arguments.length) return origin;
+ origin = x;
+ return drag;
+ };
+ return d3.rebind(drag, event, "on");
+ };
+ function d3_behavior_dragTouchId() {
+ return d3.event.changedTouches[0].identifier;
+ }
+ function d3_behavior_dragTouchSubject() {
+ return d3.event.target;
+ }
+ function d3_behavior_dragMouseSubject() {
+ return d3_window;
+ }
+ d3.touches = function(container, touches) {
+ if (arguments.length < 2) touches = d3_eventSource().touches;
+ return touches ? d3_array(touches).map(function(touch) {
+ var point = d3_mousePoint(container, touch);
+ point.identifier = touch.identifier;
+ return point;
+ }) : [];
+ };
+ var ε = 1e-6, ε2 = ε * ε, π = Math.PI, τ = 2 * π, τε = τ - ε, halfπ = π / 2, d3_radians = π / 180, d3_degrees = 180 / π;
+ function d3_sgn(x) {
+ return x > 0 ? 1 : x < 0 ? -1 : 0;
+ }
+ function d3_cross2d(a, b, c) {
+ return (b[0] - a[0]) * (c[1] - a[1]) - (b[1] - a[1]) * (c[0] - a[0]);
+ }
+ function d3_acos(x) {
+ return x > 1 ? 0 : x < -1 ? π : Math.acos(x);
+ }
+ function d3_asin(x) {
+ return x > 1 ? halfπ : x < -1 ? -halfπ : Math.asin(x);
+ }
+ function d3_sinh(x) {
+ return ((x = Math.exp(x)) - 1 / x) / 2;
+ }
+ function d3_cosh(x) {
+ return ((x = Math.exp(x)) + 1 / x) / 2;
+ }
+ function d3_tanh(x) {
+ return ((x = Math.exp(2 * x)) - 1) / (x + 1);
+ }
+ function d3_haversin(x) {
+ return (x = Math.sin(x / 2)) * x;
+ }
+ var ρ = Math.SQRT2, ρ2 = 2, ρ4 = 4;
+ d3.interpolateZoom = function(p0, p1) {
+ var ux0 = p0[0], uy0 = p0[1], w0 = p0[2], ux1 = p1[0], uy1 = p1[1], w1 = p1[2];
+ var dx = ux1 - ux0, dy = uy1 - uy0, d2 = dx * dx + dy * dy, d1 = Math.sqrt(d2), b0 = (w1 * w1 - w0 * w0 + ρ4 * d2) / (2 * w0 * ρ2 * d1), b1 = (w1 * w1 - w0 * w0 - ρ4 * d2) / (2 * w1 * ρ2 * d1), r0 = Math.log(Math.sqrt(b0 * b0 + 1) - b0), r1 = Math.log(Math.sqrt(b1 * b1 + 1) - b1), dr = r1 - r0, S = (dr || Math.log(w1 / w0)) / ρ;
+ function interpolate(t) {
+ var s = t * S;
+ if (dr) {
+ var coshr0 = d3_cosh(r0), u = w0 / (ρ2 * d1) * (coshr0 * d3_tanh(ρ * s + r0) - d3_sinh(r0));
+ return [ ux0 + u * dx, uy0 + u * dy, w0 * coshr0 / d3_cosh(ρ * s + r0) ];
+ }
+ return [ ux0 + t * dx, uy0 + t * dy, w0 * Math.exp(ρ * s) ];
+ }
+ interpolate.duration = S * 1e3;
+ return interpolate;
+ };
+ d3.behavior.zoom = function() {
+ var view = {
+ x: 0,
+ y: 0,
+ k: 1
+ }, translate0, center0, center, size = [ 960, 500 ], scaleExtent = d3_behavior_zoomInfinity, duration = 250, zooming = 0, mousedown = "mousedown.zoom", mousemove = "mousemove.zoom", mouseup = "mouseup.zoom", mousewheelTimer, touchstart = "touchstart.zoom", touchtime, event = d3_eventDispatch(zoom, "zoomstart", "zoom", "zoomend"), x0, x1, y0, y1;
+ function zoom(g) {
+ g.on(mousedown, mousedowned).on(d3_behavior_zoomWheel + ".zoom", mousewheeled).on("dblclick.zoom", dblclicked).on(touchstart, touchstarted);
+ }
+ zoom.event = function(g) {
+ g.each(function() {
+ var dispatch = event.of(this, arguments), view1 = view;
+ if (d3_transitionInheritId) {
+ d3.select(this).transition().each("start.zoom", function() {
+ view = this.__chart__ || {
+ x: 0,
+ y: 0,
+ k: 1
+ };
+ zoomstarted(dispatch);
+ }).tween("zoom:zoom", function() {
+ var dx = size[0], dy = size[1], cx = center0 ? center0[0] : dx / 2, cy = center0 ? center0[1] : dy / 2, i = d3.interpolateZoom([ (cx - view.x) / view.k, (cy - view.y) / view.k, dx / view.k ], [ (cx - view1.x) / view1.k, (cy - view1.y) / view1.k, dx / view1.k ]);
+ return function(t) {
+ var l = i(t), k = dx / l[2];
+ this.__chart__ = view = {
+ x: cx - l[0] * k,
+ y: cy - l[1] * k,
+ k: k
+ };
+ zoomed(dispatch);
+ };
+ }).each("interrupt.zoom", function() {
+ zoomended(dispatch);
+ }).each("end.zoom", function() {
+ zoomended(dispatch);
+ });
+ } else {
+ this.__chart__ = view;
+ zoomstarted(dispatch);
+ zoomed(dispatch);
+ zoomended(dispatch);
+ }
+ });
+ };
+ zoom.translate = function(_) {
+ if (!arguments.length) return [ view.x, view.y ];
+ view = {
+ x: +_[0],
+ y: +_[1],
+ k: view.k
+ };
+ rescale();
+ return zoom;
+ };
+ zoom.scale = function(_) {
+ if (!arguments.length) return view.k;
+ view = {
+ x: view.x,
+ y: view.y,
+ k: +_
+ };
+ rescale();
+ return zoom;
+ };
+ zoom.scaleExtent = function(_) {
+ if (!arguments.length) return scaleExtent;
+ scaleExtent = _ == null ? d3_behavior_zoomInfinity : [ +_[0], +_[1] ];
+ return zoom;
+ };
+ zoom.center = function(_) {
+ if (!arguments.length) return center;
+ center = _ && [ +_[0], +_[1] ];
+ return zoom;
+ };
+ zoom.size = function(_) {
+ if (!arguments.length) return size;
+ size = _ && [ +_[0], +_[1] ];
+ return zoom;
+ };
+ zoom.duration = function(_) {
+ if (!arguments.length) return duration;
+ duration = +_;
+ return zoom;
+ };
+ zoom.x = function(z) {
+ if (!arguments.length) return x1;
+ x1 = z;
+ x0 = z.copy();
+ view = {
+ x: 0,
+ y: 0,
+ k: 1
+ };
+ return zoom;
+ };
+ zoom.y = function(z) {
+ if (!arguments.length) return y1;
+ y1 = z;
+ y0 = z.copy();
+ view = {
+ x: 0,
+ y: 0,
+ k: 1
+ };
+ return zoom;
+ };
+ function location(p) {
+ return [ (p[0] - view.x) / view.k, (p[1] - view.y) / view.k ];
+ }
+ function point(l) {
+ return [ l[0] * view.k + view.x, l[1] * view.k + view.y ];
+ }
+ function scaleTo(s) {
+ view.k = Math.max(scaleExtent[0], Math.min(scaleExtent[1], s));
+ }
+ function translateTo(p, l) {
+ l = point(l);
+ view.x += p[0] - l[0];
+ view.y += p[1] - l[1];
+ }
+ function zoomTo(that, p, l, k) {
+ that.__chart__ = {
+ x: view.x,
+ y: view.y,
+ k: view.k
+ };
+ scaleTo(Math.pow(2, k));
+ translateTo(center0 = p, l);
+ that = d3.select(that);
+ if (duration > 0) that = that.transition().duration(duration);
+ that.call(zoom.event);
+ }
+ function rescale() {
+ if (x1) x1.domain(x0.range().map(function(x) {
+ return (x - view.x) / view.k;
+ }).map(x0.invert));
+ if (y1) y1.domain(y0.range().map(function(y) {
+ return (y - view.y) / view.k;
+ }).map(y0.invert));
+ }
+ function zoomstarted(dispatch) {
+ if (!zooming++) dispatch({
+ type: "zoomstart"
+ });
+ }
+ function zoomed(dispatch) {
+ rescale();
+ dispatch({
+ type: "zoom",
+ scale: view.k,
+ translate: [ view.x, view.y ]
+ });
+ }
+ function zoomended(dispatch) {
+ if (!--zooming) dispatch({
+ type: "zoomend"
+ });
+ center0 = null;
+ }
+ function mousedowned() {
+ var that = this, target = d3.event.target, dispatch = event.of(that, arguments), dragged = 0, subject = d3.select(d3_window).on(mousemove, moved).on(mouseup, ended), location0 = location(d3.mouse(that)), dragRestore = d3_event_dragSuppress();
+ d3_selection_interrupt.call(that);
+ zoomstarted(dispatch);
+ function moved() {
+ dragged = 1;
+ translateTo(d3.mouse(that), location0);
+ zoomed(dispatch);
+ }
+ function ended() {
+ subject.on(mousemove, null).on(mouseup, null);
+ dragRestore(dragged && d3.event.target === target);
+ zoomended(dispatch);
+ }
+ }
+ function touchstarted() {
+ var that = this, dispatch = event.of(that, arguments), locations0 = {}, distance0 = 0, scale0, zoomName = ".zoom-" + d3.event.changedTouches[0].identifier, touchmove = "touchmove" + zoomName, touchend = "touchend" + zoomName, targets = [], subject = d3.select(that), dragRestore = d3_event_dragSuppress();
+ started();
+ zoomstarted(dispatch);
+ subject.on(mousedown, null).on(touchstart, started);
+ function relocate() {
+ var touches = d3.touches(that);
+ scale0 = view.k;
+ touches.forEach(function(t) {
+ if (t.identifier in locations0) locations0[t.identifier] = location(t);
+ });
+ return touches;
+ }
+ function started() {
+ var target = d3.event.target;
+ d3.select(target).on(touchmove, moved).on(touchend, ended);
+ targets.push(target);
+ var changed = d3.event.changedTouches;
+ for (var i = 0, n = changed.length; i < n; ++i) {
+ locations0[changed[i].identifier] = null;
+ }
+ var touches = relocate(), now = Date.now();
+ if (touches.length === 1) {
+ if (now - touchtime < 500) {
+ var p = touches[0];
+ zoomTo(that, p, locations0[p.identifier], Math.floor(Math.log(view.k) / Math.LN2) + 1);
+ d3_eventPreventDefault();
+ }
+ touchtime = now;
+ } else if (touches.length > 1) {
+ var p = touches[0], q = touches[1], dx = p[0] - q[0], dy = p[1] - q[1];
+ distance0 = dx * dx + dy * dy;
+ }
+ }
+ function moved() {
+ var touches = d3.touches(that), p0, l0, p1, l1;
+ d3_selection_interrupt.call(that);
+ for (var i = 0, n = touches.length; i < n; ++i, l1 = null) {
+ p1 = touches[i];
+ if (l1 = locations0[p1.identifier]) {
+ if (l0) break;
+ p0 = p1, l0 = l1;
+ }
+ }
+ if (l1) {
+ var distance1 = (distance1 = p1[0] - p0[0]) * distance1 + (distance1 = p1[1] - p0[1]) * distance1, scale1 = distance0 && Math.sqrt(distance1 / distance0);
+ p0 = [ (p0[0] + p1[0]) / 2, (p0[1] + p1[1]) / 2 ];
+ l0 = [ (l0[0] + l1[0]) / 2, (l0[1] + l1[1]) / 2 ];
+ scaleTo(scale1 * scale0);
+ }
+ touchtime = null;
+ translateTo(p0, l0);
+ zoomed(dispatch);
+ }
+ function ended() {
+ if (d3.event.touches.length) {
+ var changed = d3.event.changedTouches;
+ for (var i = 0, n = changed.length; i < n; ++i) {
+ delete locations0[changed[i].identifier];
+ }
+ for (var identifier in locations0) {
+ return void relocate();
+ }
+ }
+ d3.selectAll(targets).on(zoomName, null);
+ subject.on(mousedown, mousedowned).on(touchstart, touchstarted);
+ dragRestore();
+ zoomended(dispatch);
+ }
+ }
+ function mousewheeled() {
+ var dispatch = event.of(this, arguments);
+ if (mousewheelTimer) clearTimeout(mousewheelTimer); else translate0 = location(center0 = center || d3.mouse(this)),
+ d3_selection_interrupt.call(this), zoomstarted(dispatch);
+ mousewheelTimer = setTimeout(function() {
+ mousewheelTimer = null;
+ zoomended(dispatch);
+ }, 50);
+ d3_eventPreventDefault();
+ scaleTo(Math.pow(2, d3_behavior_zoomDelta() * .002) * view.k);
+ translateTo(center0, translate0);
+ zoomed(dispatch);
+ }
+ function dblclicked() {
+ var p = d3.mouse(this), k = Math.log(view.k) / Math.LN2;
+ zoomTo(this, p, location(p), d3.event.shiftKey ? Math.ceil(k) - 1 : Math.floor(k) + 1);
+ }
+ return d3.rebind(zoom, event, "on");
+ };
+ var d3_behavior_zoomInfinity = [ 0, Infinity ];
+ var d3_behavior_zoomDelta, d3_behavior_zoomWheel = "onwheel" in d3_document ? (d3_behavior_zoomDelta = function() {
+ return -d3.event.deltaY * (d3.event.deltaMode ? 120 : 1);
+ }, "wheel") : "onmousewheel" in d3_document ? (d3_behavior_zoomDelta = function() {
+ return d3.event.wheelDelta;
+ }, "mousewheel") : (d3_behavior_zoomDelta = function() {
+ return -d3.event.detail;
+ }, "MozMousePixelScroll");
+ d3.color = d3_color;
+ function d3_color() {}
+ d3_color.prototype.toString = function() {
+ return this.rgb() + "";
+ };
+ d3.hsl = d3_hsl;
+ function d3_hsl(h, s, l) {
+ return this instanceof d3_hsl ? void (this.h = +h, this.s = +s, this.l = +l) : arguments.length < 2 ? h instanceof d3_hsl ? new d3_hsl(h.h, h.s, h.l) : d3_rgb_parse("" + h, d3_rgb_hsl, d3_hsl) : new d3_hsl(h, s, l);
+ }
+ var d3_hslPrototype = d3_hsl.prototype = new d3_color();
+ d3_hslPrototype.brighter = function(k) {
+ k = Math.pow(.7, arguments.length ? k : 1);
+ return new d3_hsl(this.h, this.s, this.l / k);
+ };
+ d3_hslPrototype.darker = function(k) {
+ k = Math.pow(.7, arguments.length ? k : 1);
+ return new d3_hsl(this.h, this.s, k * this.l);
+ };
+ d3_hslPrototype.rgb = function() {
+ return d3_hsl_rgb(this.h, this.s, this.l);
+ };
+ function d3_hsl_rgb(h, s, l) {
+ var m1, m2;
+ h = isNaN(h) ? 0 : (h %= 360) < 0 ? h + 360 : h;
+ s = isNaN(s) ? 0 : s < 0 ? 0 : s > 1 ? 1 : s;
+ l = l < 0 ? 0 : l > 1 ? 1 : l;
+ m2 = l <= .5 ? l * (1 + s) : l + s - l * s;
+ m1 = 2 * l - m2;
+ function v(h) {
+ if (h > 360) h -= 360; else if (h < 0) h += 360;
+ if (h < 60) return m1 + (m2 - m1) * h / 60;
+ if (h < 180) return m2;
+ if (h < 240) return m1 + (m2 - m1) * (240 - h) / 60;
+ return m1;
+ }
+ function vv(h) {
+ return Math.round(v(h) * 255);
+ }
+ return new d3_rgb(vv(h + 120), vv(h), vv(h - 120));
+ }
+ d3.hcl = d3_hcl;
+ function d3_hcl(h, c, l) {
+ return this instanceof d3_hcl ? void (this.h = +h, this.c = +c, this.l = +l) : arguments.length < 2 ? h instanceof d3_hcl ? new d3_hcl(h.h, h.c, h.l) : h instanceof d3_lab ? d3_lab_hcl(h.l, h.a, h.b) : d3_lab_hcl((h = d3_rgb_lab((h = d3.rgb(h)).r, h.g, h.b)).l, h.a, h.b) : new d3_hcl(h, c, l);
+ }
+ var d3_hclPrototype = d3_hcl.prototype = new d3_color();
+ d3_hclPrototype.brighter = function(k) {
+ return new d3_hcl(this.h, this.c, Math.min(100, this.l + d3_lab_K * (arguments.length ? k : 1)));
+ };
+ d3_hclPrototype.darker = function(k) {
+ return new d3_hcl(this.h, this.c, Math.max(0, this.l - d3_lab_K * (arguments.length ? k : 1)));
+ };
+ d3_hclPrototype.rgb = function() {
+ return d3_hcl_lab(this.h, this.c, this.l).rgb();
+ };
+ function d3_hcl_lab(h, c, l) {
+ if (isNaN(h)) h = 0;
+ if (isNaN(c)) c = 0;
+ return new d3_lab(l, Math.cos(h *= d3_radians) * c, Math.sin(h) * c);
+ }
+ d3.lab = d3_lab;
+ function d3_lab(l, a, b) {
+ return this instanceof d3_lab ? void (this.l = +l, this.a = +a, this.b = +b) : arguments.length < 2 ? l instanceof d3_lab ? new d3_lab(l.l, l.a, l.b) : l instanceof d3_hcl ? d3_hcl_lab(l.h, l.c, l.l) : d3_rgb_lab((l = d3_rgb(l)).r, l.g, l.b) : new d3_lab(l, a, b);
+ }
+ var d3_lab_K = 18;
+ var d3_lab_X = .95047, d3_lab_Y = 1, d3_lab_Z = 1.08883;
+ var d3_labPrototype = d3_lab.prototype = new d3_color();
+ d3_labPrototype.brighter = function(k) {
+ return new d3_lab(Math.min(100, this.l + d3_lab_K * (arguments.length ? k : 1)), this.a, this.b);
+ };
+ d3_labPrototype.darker = function(k) {
+ return new d3_lab(Math.max(0, this.l - d3_lab_K * (arguments.length ? k : 1)), this.a, this.b);
+ };
+ d3_labPrototype.rgb = function() {
+ return d3_lab_rgb(this.l, this.a, this.b);
+ };
+ function d3_lab_rgb(l, a, b) {
+ var y = (l + 16) / 116, x = y + a / 500, z = y - b / 200;
+ x = d3_lab_xyz(x) * d3_lab_X;
+ y = d3_lab_xyz(y) * d3_lab_Y;
+ z = d3_lab_xyz(z) * d3_lab_Z;
+ return new d3_rgb(d3_xyz_rgb(3.2404542 * x - 1.5371385 * y - .4985314 * z), d3_xyz_rgb(-.969266 * x + 1.8760108 * y + .041556 * z), d3_xyz_rgb(.0556434 * x - .2040259 * y + 1.0572252 * z));
+ }
+ function d3_lab_hcl(l, a, b) {
+ return l > 0 ? new d3_hcl(Math.atan2(b, a) * d3_degrees, Math.sqrt(a * a + b * b), l) : new d3_hcl(NaN, NaN, l);
+ }
+ function d3_lab_xyz(x) {
+ return x > .206893034 ? x * x * x : (x - 4 / 29) / 7.787037;
+ }
+ function d3_xyz_lab(x) {
+ return x > .008856 ? Math.pow(x, 1 / 3) : 7.787037 * x + 4 / 29;
+ }
+ function d3_xyz_rgb(r) {
+ return Math.round(255 * (r <= .00304 ? 12.92 * r : 1.055 * Math.pow(r, 1 / 2.4) - .055));
+ }
+ d3.rgb = d3_rgb;
+ function d3_rgb(r, g, b) {
+ return this instanceof d3_rgb ? void (this.r = ~~r, this.g = ~~g, this.b = ~~b) : arguments.length < 2 ? r instanceof d3_rgb ? new d3_rgb(r.r, r.g, r.b) : d3_rgb_parse("" + r, d3_rgb, d3_hsl_rgb) : new d3_rgb(r, g, b);
+ }
+ function d3_rgbNumber(value) {
+ return new d3_rgb(value >> 16, value >> 8 & 255, value & 255);
+ }
+ function d3_rgbString(value) {
+ return d3_rgbNumber(value) + "";
+ }
+ var d3_rgbPrototype = d3_rgb.prototype = new d3_color();
+ d3_rgbPrototype.brighter = function(k) {
+ k = Math.pow(.7, arguments.length ? k : 1);
+ var r = this.r, g = this.g, b = this.b, i = 30;
+ if (!r && !g && !b) return new d3_rgb(i, i, i);
+ if (r && r < i) r = i;
+ if (g && g < i) g = i;
+ if (b && b < i) b = i;
+ return new d3_rgb(Math.min(255, r / k), Math.min(255, g / k), Math.min(255, b / k));
+ };
+ d3_rgbPrototype.darker = function(k) {
+ k = Math.pow(.7, arguments.length ? k : 1);
+ return new d3_rgb(k * this.r, k * this.g, k * this.b);
+ };
+ d3_rgbPrototype.hsl = function() {
+ return d3_rgb_hsl(this.r, this.g, this.b);
+ };
+ d3_rgbPrototype.toString = function() {
+ return "#" + d3_rgb_hex(this.r) + d3_rgb_hex(this.g) + d3_rgb_hex(this.b);
+ };
+ function d3_rgb_hex(v) {
+ return v < 16 ? "0" + Math.max(0, v).toString(16) : Math.min(255, v).toString(16);
+ }
+ function d3_rgb_parse(format, rgb, hsl) {
+ var r = 0, g = 0, b = 0, m1, m2, color;
+ m1 = /([a-z]+)\((.*)\)/i.exec(format);
+ if (m1) {
+ m2 = m1[2].split(",");
+ switch (m1[1]) {
+ case "hsl":
+ {
+ return hsl(parseFloat(m2[0]), parseFloat(m2[1]) / 100, parseFloat(m2[2]) / 100);
+ }
+
+ case "rgb":
+ {
+ return rgb(d3_rgb_parseNumber(m2[0]), d3_rgb_parseNumber(m2[1]), d3_rgb_parseNumber(m2[2]));
+ }
+ }
+ }
+ if (color = d3_rgb_names.get(format)) return rgb(color.r, color.g, color.b);
+ if (format != null && format.charAt(0) === "#" && !isNaN(color = parseInt(format.slice(1), 16))) {
+ if (format.length === 4) {
+ r = (color & 3840) >> 4;
+ r = r >> 4 | r;
+ g = color & 240;
+ g = g >> 4 | g;
+ b = color & 15;
+ b = b << 4 | b;
+ } else if (format.length === 7) {
+ r = (color & 16711680) >> 16;
+ g = (color & 65280) >> 8;
+ b = color & 255;
+ }
+ }
+ return rgb(r, g, b);
+ }
+ function d3_rgb_hsl(r, g, b) {
+ var min = Math.min(r /= 255, g /= 255, b /= 255), max = Math.max(r, g, b), d = max - min, h, s, l = (max + min) / 2;
+ if (d) {
+ s = l < .5 ? d / (max + min) : d / (2 - max - min);
+ if (r == max) h = (g - b) / d + (g < b ? 6 : 0); else if (g == max) h = (b - r) / d + 2; else h = (r - g) / d + 4;
+ h *= 60;
+ } else {
+ h = NaN;
+ s = l > 0 && l < 1 ? 0 : h;
+ }
+ return new d3_hsl(h, s, l);
+ }
+ function d3_rgb_lab(r, g, b) {
+ r = d3_rgb_xyz(r);
+ g = d3_rgb_xyz(g);
+ b = d3_rgb_xyz(b);
+ var x = d3_xyz_lab((.4124564 * r + .3575761 * g + .1804375 * b) / d3_lab_X), y = d3_xyz_lab((.2126729 * r + .7151522 * g + .072175 * b) / d3_lab_Y), z = d3_xyz_lab((.0193339 * r + .119192 * g + .9503041 * b) / d3_lab_Z);
+ return d3_lab(116 * y - 16, 500 * (x - y), 200 * (y - z));
+ }
+ function d3_rgb_xyz(r) {
+ return (r /= 255) <= .04045 ? r / 12.92 : Math.pow((r + .055) / 1.055, 2.4);
+ }
+ function d3_rgb_parseNumber(c) {
+ var f = parseFloat(c);
+ return c.charAt(c.length - 1) === "%" ? Math.round(f * 2.55) : f;
+ }
+ var d3_rgb_names = d3.map({
+ aliceblue: 15792383,
+ antiquewhite: 16444375,
+ aqua: 65535,
+ aquamarine: 8388564,
+ azure: 15794175,
+ beige: 16119260,
+ bisque: 16770244,
+ black: 0,
+ blanchedalmond: 16772045,
+ blue: 255,
+ blueviolet: 9055202,
+ brown: 10824234,
+ burlywood: 14596231,
+ cadetblue: 6266528,
+ chartreuse: 8388352,
+ chocolate: 13789470,
+ coral: 16744272,
+ cornflowerblue: 6591981,
+ cornsilk: 16775388,
+ crimson: 14423100,
+ cyan: 65535,
+ darkblue: 139,
+ darkcyan: 35723,
+ darkgoldenrod: 12092939,
+ darkgray: 11119017,
+ darkgreen: 25600,
+ darkgrey: 11119017,
+ darkkhaki: 12433259,
+ darkmagenta: 9109643,
+ darkolivegreen: 5597999,
+ darkorange: 16747520,
+ darkorchid: 10040012,
+ darkred: 9109504,
+ darksalmon: 15308410,
+ darkseagreen: 9419919,
+ darkslateblue: 4734347,
+ darkslategray: 3100495,
+ darkslategrey: 3100495,
+ darkturquoise: 52945,
+ darkviolet: 9699539,
+ deeppink: 16716947,
+ deepskyblue: 49151,
+ dimgray: 6908265,
+ dimgrey: 6908265,
+ dodgerblue: 2003199,
+ firebrick: 11674146,
+ floralwhite: 16775920,
+ forestgreen: 2263842,
+ fuchsia: 16711935,
+ gainsboro: 14474460,
+ ghostwhite: 16316671,
+ gold: 16766720,
+ goldenrod: 14329120,
+ gray: 8421504,
+ green: 32768,
+ greenyellow: 11403055,
+ grey: 8421504,
+ honeydew: 15794160,
+ hotpink: 16738740,
+ indianred: 13458524,
+ indigo: 4915330,
+ ivory: 16777200,
+ khaki: 15787660,
+ lavender: 15132410,
+ lavenderblush: 16773365,
+ lawngreen: 8190976,
+ lemonchiffon: 16775885,
+ lightblue: 11393254,
+ lightcoral: 15761536,
+ lightcyan: 14745599,
+ lightgoldenrodyellow: 16448210,
+ lightgray: 13882323,
+ lightgreen: 9498256,
+ lightgrey: 13882323,
+ lightpink: 16758465,
+ lightsalmon: 16752762,
+ lightseagreen: 2142890,
+ lightskyblue: 8900346,
+ lightslategray: 7833753,
+ lightslategrey: 7833753,
+ lightsteelblue: 11584734,
+ lightyellow: 16777184,
+ lime: 65280,
+ limegreen: 3329330,
+ linen: 16445670,
+ magenta: 16711935,
+ maroon: 8388608,
+ mediumaquamarine: 6737322,
+ mediumblue: 205,
+ mediumorchid: 12211667,
+ mediumpurple: 9662683,
+ mediumseagreen: 3978097,
+ mediumslateblue: 8087790,
+ mediumspringgreen: 64154,
+ mediumturquoise: 4772300,
+ mediumvioletred: 13047173,
+ midnightblue: 1644912,
+ mintcream: 16121850,
+ mistyrose: 16770273,
+ moccasin: 16770229,
+ navajowhite: 16768685,
+ navy: 128,
+ oldlace: 16643558,
+ olive: 8421376,
+ olivedrab: 7048739,
+ orange: 16753920,
+ orangered: 16729344,
+ orchid: 14315734,
+ palegoldenrod: 15657130,
+ palegreen: 10025880,
+ paleturquoise: 11529966,
+ palevioletred: 14381203,
+ papayawhip: 16773077,
+ peachpuff: 16767673,
+ peru: 13468991,
+ pink: 16761035,
+ plum: 14524637,
+ powderblue: 11591910,
+ purple: 8388736,
+ red: 16711680,
+ rosybrown: 12357519,
+ royalblue: 4286945,
+ saddlebrown: 9127187,
+ salmon: 16416882,
+ sandybrown: 16032864,
+ seagreen: 3050327,
+ seashell: 16774638,
+ sienna: 10506797,
+ silver: 12632256,
+ skyblue: 8900331,
+ slateblue: 6970061,
+ slategray: 7372944,
+ slategrey: 7372944,
+ snow: 16775930,
+ springgreen: 65407,
+ steelblue: 4620980,
+ tan: 13808780,
+ teal: 32896,
+ thistle: 14204888,
+ tomato: 16737095,
+ turquoise: 4251856,
+ violet: 15631086,
+ wheat: 16113331,
+ white: 16777215,
+ whitesmoke: 16119285,
+ yellow: 16776960,
+ yellowgreen: 10145074
+ });
+ d3_rgb_names.forEach(function(key, value) {
+ d3_rgb_names.set(key, d3_rgbNumber(value));
+ });
+ function d3_functor(v) {
+ return typeof v === "function" ? v : function() {
+ return v;
+ };
+ }
+ d3.functor = d3_functor;
+ function d3_identity(d) {
+ return d;
+ }
+ d3.xhr = d3_xhrType(d3_identity);
+ function d3_xhrType(response) {
+ return function(url, mimeType, callback) {
+ if (arguments.length === 2 && typeof mimeType === "function") callback = mimeType,
+ mimeType = null;
+ return d3_xhr(url, mimeType, response, callback);
+ };
+ }
+ function d3_xhr(url, mimeType, response, callback) {
+ var xhr = {}, dispatch = d3.dispatch("beforesend", "progress", "load", "error"), headers = {}, request = new XMLHttpRequest(), responseType = null;
+ if (d3_window.XDomainRequest && !("withCredentials" in request) && /^(http(s)?:)?\/\//.test(url)) request = new XDomainRequest();
+ "onload" in request ? request.onload = request.onerror = respond : request.onreadystatechange = function() {
+ request.readyState > 3 && respond();
+ };
+ function respond() {
+ var status = request.status, result;
+ if (!status && d3_xhrHasResponse(request) || status >= 200 && status < 300 || status === 304) {
+ try {
+ result = response.call(xhr, request);
+ } catch (e) {
+ dispatch.error.call(xhr, e);
+ return;
+ }
+ dispatch.load.call(xhr, result);
+ } else {
+ dispatch.error.call(xhr, request);
+ }
+ }
+ request.onprogress = function(event) {
+ var o = d3.event;
+ d3.event = event;
+ try {
+ dispatch.progress.call(xhr, request);
+ } finally {
+ d3.event = o;
+ }
+ };
+ xhr.header = function(name, value) {
+ name = (name + "").toLowerCase();
+ if (arguments.length < 2) return headers[name];
+ if (value == null) delete headers[name]; else headers[name] = value + "";
+ return xhr;
+ };
+ xhr.mimeType = function(value) {
+ if (!arguments.length) return mimeType;
+ mimeType = value == null ? null : value + "";
+ return xhr;
+ };
+ xhr.responseType = function(value) {
+ if (!arguments.length) return responseType;
+ responseType = value;
+ return xhr;
+ };
+ xhr.response = function(value) {
+ response = value;
+ return xhr;
+ };
+ [ "get", "post" ].forEach(function(method) {
+ xhr[method] = function() {
+ return xhr.send.apply(xhr, [ method ].concat(d3_array(arguments)));
+ };
+ });
+ xhr.send = function(method, data, callback) {
+ if (arguments.length === 2 && typeof data === "function") callback = data, data = null;
+ request.open(method, url, true);
+ if (mimeType != null && !("accept" in headers)) headers["accept"] = mimeType + ",*/*";
+ if (request.setRequestHeader) for (var name in headers) request.setRequestHeader(name, headers[name]);
+ if (mimeType != null && request.overrideMimeType) request.overrideMimeType(mimeType);
+ if (responseType != null) request.responseType = responseType;
+ if (callback != null) xhr.on("error", callback).on("load", function(request) {
+ callback(null, request);
+ });
+ dispatch.beforesend.call(xhr, request);
+ request.send(data == null ? null : data);
+ return xhr;
+ };
+ xhr.abort = function() {
+ request.abort();
+ return xhr;
+ };
+ d3.rebind(xhr, dispatch, "on");
+ return callback == null ? xhr : xhr.get(d3_xhr_fixCallback(callback));
+ }
+ function d3_xhr_fixCallback(callback) {
+ return callback.length === 1 ? function(error, request) {
+ callback(error == null ? request : null);
+ } : callback;
+ }
+ function d3_xhrHasResponse(request) {
+ var type = request.responseType;
+ return type && type !== "text" ? request.response : request.responseText;
+ }
+ d3.dsv = function(delimiter, mimeType) {
+ var reFormat = new RegExp('["' + delimiter + "\n]"), delimiterCode = delimiter.charCodeAt(0);
+ function dsv(url, row, callback) {
+ if (arguments.length < 3) callback = row, row = null;
+ var xhr = d3_xhr(url, mimeType, row == null ? response : typedResponse(row), callback);
+ xhr.row = function(_) {
+ return arguments.length ? xhr.response((row = _) == null ? response : typedResponse(_)) : row;
+ };
+ return xhr;
+ }
+ function response(request) {
+ return dsv.parse(request.responseText);
+ }
+ function typedResponse(f) {
+ return function(request) {
+ return dsv.parse(request.responseText, f);
+ };
+ }
+ dsv.parse = function(text, f) {
+ var o;
+ return dsv.parseRows(text, function(row, i) {
+ if (o) return o(row, i - 1);
+ var a = new Function("d", "return {" + row.map(function(name, i) {
+ return JSON.stringify(name) + ": d[" + i + "]";
+ }).join(",") + "}");
+ o = f ? function(row, i) {
+ return f(a(row), i);
+ } : a;
+ });
+ };
+ dsv.parseRows = function(text, f) {
+ var EOL = {}, EOF = {}, rows = [], N = text.length, I = 0, n = 0, t, eol;
+ function token() {
+ if (I >= N) return EOF;
+ if (eol) return eol = false, EOL;
+ var j = I;
+ if (text.charCodeAt(j) === 34) {
+ var i = j;
+ while (i++ < N) {
+ if (text.charCodeAt(i) === 34) {
+ if (text.charCodeAt(i + 1) !== 34) break;
+ ++i;
+ }
+ }
+ I = i + 2;
+ var c = text.charCodeAt(i + 1);
+ if (c === 13) {
+ eol = true;
+ if (text.charCodeAt(i + 2) === 10) ++I;
+ } else if (c === 10) {
+ eol = true;
+ }
+ return text.slice(j + 1, i).replace(/""/g, '"');
+ }
+ while (I < N) {
+ var c = text.charCodeAt(I++), k = 1;
+ if (c === 10) eol = true; else if (c === 13) {
+ eol = true;
+ if (text.charCodeAt(I) === 10) ++I, ++k;
+ } else if (c !== delimiterCode) continue;
+ return text.slice(j, I - k);
+ }
+ return text.slice(j);
+ }
+ while ((t = token()) !== EOF) {
+ var a = [];
+ while (t !== EOL && t !== EOF) {
+ a.push(t);
+ t = token();
+ }
+ if (f && (a = f(a, n++)) == null) continue;
+ rows.push(a);
+ }
+ return rows;
+ };
+ dsv.format = function(rows) {
+ if (Array.isArray(rows[0])) return dsv.formatRows(rows);
+ var fieldSet = new d3_Set(), fields = [];
+ rows.forEach(function(row) {
+ for (var field in row) {
+ if (!fieldSet.has(field)) {
+ fields.push(fieldSet.add(field));
+ }
+ }
+ });
+ return [ fields.map(formatValue).join(delimiter) ].concat(rows.map(function(row) {
+ return fields.map(function(field) {
+ return formatValue(row[field]);
+ }).join(delimiter);
+ })).join("\n");
+ };
+ dsv.formatRows = function(rows) {
+ return rows.map(formatRow).join("\n");
+ };
+ function formatRow(row) {
+ return row.map(formatValue).join(delimiter);
+ }
+ function formatValue(text) {
+ return reFormat.test(text) ? '"' + text.replace(/\"/g, '""') + '"' : text;
+ }
+ return dsv;
+ };
+ d3.csv = d3.dsv(",", "text/csv");
+ d3.tsv = d3.dsv(" ", "text/tab-separated-values");
+ var d3_timer_queueHead, d3_timer_queueTail, d3_timer_interval, d3_timer_timeout, d3_timer_active, d3_timer_frame = d3_window[d3_vendorSymbol(d3_window, "requestAnimationFrame")] || function(callback) {
+ setTimeout(callback, 17);
+ };
+ d3.timer = function(callback, delay, then) {
+ var n = arguments.length;
+ if (n < 2) delay = 0;
+ if (n < 3) then = Date.now();
+ var time = then + delay, timer = {
+ c: callback,
+ t: time,
+ f: false,
+ n: null
+ };
+ if (d3_timer_queueTail) d3_timer_queueTail.n = timer; else d3_timer_queueHead = timer;
+ d3_timer_queueTail = timer;
+ if (!d3_timer_interval) {
+ d3_timer_timeout = clearTimeout(d3_timer_timeout);
+ d3_timer_interval = 1;
+ d3_timer_frame(d3_timer_step);
+ }
+ };
+ function d3_timer_step() {
+ var now = d3_timer_mark(), delay = d3_timer_sweep() - now;
+ if (delay > 24) {
+ if (isFinite(delay)) {
+ clearTimeout(d3_timer_timeout);
+ d3_timer_timeout = setTimeout(d3_timer_step, delay);
+ }
+ d3_timer_interval = 0;
+ } else {
+ d3_timer_interval = 1;
+ d3_timer_frame(d3_timer_step);
+ }
+ }
+ d3.timer.flush = function() {
+ d3_timer_mark();
+ d3_timer_sweep();
+ };
+ function d3_timer_mark() {
+ var now = Date.now();
+ d3_timer_active = d3_timer_queueHead;
+ while (d3_timer_active) {
+ if (now >= d3_timer_active.t) d3_timer_active.f = d3_timer_active.c(now - d3_timer_active.t);
+ d3_timer_active = d3_timer_active.n;
+ }
+ return now;
+ }
+ function d3_timer_sweep() {
+ var t0, t1 = d3_timer_queueHead, time = Infinity;
+ while (t1) {
+ if (t1.f) {
+ t1 = t0 ? t0.n = t1.n : d3_timer_queueHead = t1.n;
+ } else {
+ if (t1.t < time) time = t1.t;
+ t1 = (t0 = t1).n;
+ }
+ }
+ d3_timer_queueTail = t0;
+ return time;
+ }
+ function d3_format_precision(x, p) {
+ return p - (x ? Math.ceil(Math.log(x) / Math.LN10) : 1);
+ }
+ d3.round = function(x, n) {
+ return n ? Math.round(x * (n = Math.pow(10, n))) / n : Math.round(x);
+ };
+ var d3_formatPrefixes = [ "y", "z", "a", "f", "p", "n", "µ", "m", "", "k", "M", "G", "T", "P", "E", "Z", "Y" ].map(d3_formatPrefix);
+ d3.formatPrefix = function(value, precision) {
+ var i = 0;
+ if (value) {
+ if (value < 0) value *= -1;
+ if (precision) value = d3.round(value, d3_format_precision(value, precision));
+ i = 1 + Math.floor(1e-12 + Math.log(value) / Math.LN10);
+ i = Math.max(-24, Math.min(24, Math.floor((i - 1) / 3) * 3));
+ }
+ return d3_formatPrefixes[8 + i / 3];
+ };
+ function d3_formatPrefix(d, i) {
+ var k = Math.pow(10, abs(8 - i) * 3);
+ return {
+ scale: i > 8 ? function(d) {
+ return d / k;
+ } : function(d) {
+ return d * k;
+ },
+ symbol: d
+ };
+ }
+ function d3_locale_numberFormat(locale) {
+ var locale_decimal = locale.decimal, locale_thousands = locale.thousands, locale_grouping = locale.grouping, locale_currency = locale.currency, formatGroup = locale_grouping && locale_thousands ? function(value, width) {
+ var i = value.length, t = [], j = 0, g = locale_grouping[0], length = 0;
+ while (i > 0 && g > 0) {
+ if (length + g + 1 > width) g = Math.max(1, width - length);
+ t.push(value.substring(i -= g, i + g));
+ if ((length += g + 1) > width) break;
+ g = locale_grouping[j = (j + 1) % locale_grouping.length];
+ }
+ return t.reverse().join(locale_thousands);
+ } : d3_identity;
+ return function(specifier) {
+ var match = d3_format_re.exec(specifier), fill = match[1] || " ", align = match[2] || ">", sign = match[3] || "-", symbol = match[4] || "", zfill = match[5], width = +match[6], comma = match[7], precision = match[8], type = match[9], scale = 1, prefix = "", suffix = "", integer = false, exponent = true;
+ if (precision) precision = +precision.substring(1);
+ if (zfill || fill === "0" && align === "=") {
+ zfill = fill = "0";
+ align = "=";
+ }
+ switch (type) {
+ case "n":
+ comma = true;
+ type = "g";
+ break;
+
+ case "%":
+ scale = 100;
+ suffix = "%";
+ type = "f";
+ break;
+
+ case "p":
+ scale = 100;
+ suffix = "%";
+ type = "r";
+ break;
+
+ case "b":
+ case "o":
+ case "x":
+ case "X":
+ if (symbol === "#") prefix = "0" + type.toLowerCase();
+
+ case "c":
+ exponent = false;
+
+ case "d":
+ integer = true;
+ precision = 0;
+ break;
+
+ case "s":
+ scale = -1;
+ type = "r";
+ break;
+ }
+ if (symbol === "$") prefix = locale_currency[0], suffix = locale_currency[1];
+ if (type == "r" && !precision) type = "g";
+ if (precision != null) {
+ if (type == "g") precision = Math.max(1, Math.min(21, precision)); else if (type == "e" || type == "f") precision = Math.max(0, Math.min(20, precision));
+ }
+ type = d3_format_types.get(type) || d3_format_typeDefault;
+ var zcomma = zfill && comma;
+ return function(value) {
+ var fullSuffix = suffix;
+ if (integer && value % 1) return "";
+ var negative = value < 0 || value === 0 && 1 / value < 0 ? (value = -value, "-") : sign === "-" ? "" : sign;
+ if (scale < 0) {
+ var unit = d3.formatPrefix(value, precision);
+ value = unit.scale(value);
+ fullSuffix = unit.symbol + suffix;
+ } else {
+ value *= scale;
+ }
+ value = type(value, precision);
+ var i = value.lastIndexOf("."), before, after;
+ if (i < 0) {
+ var j = exponent ? value.lastIndexOf("e") : -1;
+ if (j < 0) before = value, after = ""; else before = value.substring(0, j), after = value.substring(j);
+ } else {
+ before = value.substring(0, i);
+ after = locale_decimal + value.substring(i + 1);
+ }
+ if (!zfill && comma) before = formatGroup(before, Infinity);
+ var length = prefix.length + before.length + after.length + (zcomma ? 0 : negative.length), padding = length < width ? new Array(length = width - length + 1).join(fill) : "";
+ if (zcomma) before = formatGroup(padding + before, padding.length ? width - after.length : Infinity);
+ negative += prefix;
+ value = before + after;
+ return (align === "<" ? negative + value + padding : align === ">" ? padding + negative + value : align === "^" ? padding.substring(0, length >>= 1) + negative + value + padding.substring(length) : negative + (zcomma ? value : padding + value)) + fullSuffix;
+ };
+ };
+ }
+ var d3_format_re = /(?:([^{])?([<>=^]))?([+\- ])?([$#])?(0)?(\d+)?(,)?(\.-?\d+)?([a-z%])?/i;
+ var d3_format_types = d3.map({
+ b: function(x) {
+ return x.toString(2);
+ },
+ c: function(x) {
+ return String.fromCharCode(x);
+ },
+ o: function(x) {
+ return x.toString(8);
+ },
+ x: function(x) {
+ return x.toString(16);
+ },
+ X: function(x) {
+ return x.toString(16).toUpperCase();
+ },
+ g: function(x, p) {
+ return x.toPrecision(p);
+ },
+ e: function(x, p) {
+ return x.toExponential(p);
+ },
+ f: function(x, p) {
+ return x.toFixed(p);
+ },
+ r: function(x, p) {
+ return (x = d3.round(x, d3_format_precision(x, p))).toFixed(Math.max(0, Math.min(20, d3_format_precision(x * (1 + 1e-15), p))));
+ }
+ });
+ function d3_format_typeDefault(x) {
+ return x + "";
+ }
+ var d3_time = d3.time = {}, d3_date = Date;
+ function d3_date_utc() {
+ this._ = new Date(arguments.length > 1 ? Date.UTC.apply(this, arguments) : arguments[0]);
+ }
+ d3_date_utc.prototype = {
+ getDate: function() {
+ return this._.getUTCDate();
+ },
+ getDay: function() {
+ return this._.getUTCDay();
+ },
+ getFullYear: function() {
+ return this._.getUTCFullYear();
+ },
+ getHours: function() {
+ return this._.getUTCHours();
+ },
+ getMilliseconds: function() {
+ return this._.getUTCMilliseconds();
+ },
+ getMinutes: function() {
+ return this._.getUTCMinutes();
+ },
+ getMonth: function() {
+ return this._.getUTCMonth();
+ },
+ getSeconds: function() {
+ return this._.getUTCSeconds();
+ },
+ getTime: function() {
+ return this._.getTime();
+ },
+ getTimezoneOffset: function() {
+ return 0;
+ },
+ valueOf: function() {
+ return this._.valueOf();
+ },
+ setDate: function() {
+ d3_time_prototype.setUTCDate.apply(this._, arguments);
+ },
+ setDay: function() {
+ d3_time_prototype.setUTCDay.apply(this._, arguments);
+ },
+ setFullYear: function() {
+ d3_time_prototype.setUTCFullYear.apply(this._, arguments);
+ },
+ setHours: function() {
+ d3_time_prototype.setUTCHours.apply(this._, arguments);
+ },
+ setMilliseconds: function() {
+ d3_time_prototype.setUTCMilliseconds.apply(this._, arguments);
+ },
+ setMinutes: function() {
+ d3_time_prototype.setUTCMinutes.apply(this._, arguments);
+ },
+ setMonth: function() {
+ d3_time_prototype.setUTCMonth.apply(this._, arguments);
+ },
+ setSeconds: function() {
+ d3_time_prototype.setUTCSeconds.apply(this._, arguments);
+ },
+ setTime: function() {
+ d3_time_prototype.setTime.apply(this._, arguments);
+ }
+ };
+ var d3_time_prototype = Date.prototype;
+ function d3_time_interval(local, step, number) {
+ function round(date) {
+ var d0 = local(date), d1 = offset(d0, 1);
+ return date - d0 < d1 - date ? d0 : d1;
+ }
+ function ceil(date) {
+ step(date = local(new d3_date(date - 1)), 1);
+ return date;
+ }
+ function offset(date, k) {
+ step(date = new d3_date(+date), k);
+ return date;
+ }
+ function range(t0, t1, dt) {
+ var time = ceil(t0), times = [];
+ if (dt > 1) {
+ while (time < t1) {
+ if (!(number(time) % dt)) times.push(new Date(+time));
+ step(time, 1);
+ }
+ } else {
+ while (time < t1) times.push(new Date(+time)), step(time, 1);
+ }
+ return times;
+ }
+ function range_utc(t0, t1, dt) {
+ try {
+ d3_date = d3_date_utc;
+ var utc = new d3_date_utc();
+ utc._ = t0;
+ return range(utc, t1, dt);
+ } finally {
+ d3_date = Date;
+ }
+ }
+ local.floor = local;
+ local.round = round;
+ local.ceil = ceil;
+ local.offset = offset;
+ local.range = range;
+ var utc = local.utc = d3_time_interval_utc(local);
+ utc.floor = utc;
+ utc.round = d3_time_interval_utc(round);
+ utc.ceil = d3_time_interval_utc(ceil);
+ utc.offset = d3_time_interval_utc(offset);
+ utc.range = range_utc;
+ return local;
+ }
+ function d3_time_interval_utc(method) {
+ return function(date, k) {
+ try {
+ d3_date = d3_date_utc;
+ var utc = new d3_date_utc();
+ utc._ = date;
+ return method(utc, k)._;
+ } finally {
+ d3_date = Date;
+ }
+ };
+ }
+ d3_time.year = d3_time_interval(function(date) {
+ date = d3_time.day(date);
+ date.setMonth(0, 1);
+ return date;
+ }, function(date, offset) {
+ date.setFullYear(date.getFullYear() + offset);
+ }, function(date) {
+ return date.getFullYear();
+ });
+ d3_time.years = d3_time.year.range;
+ d3_time.years.utc = d3_time.year.utc.range;
+ d3_time.day = d3_time_interval(function(date) {
+ var day = new d3_date(2e3, 0);
+ day.setFullYear(date.getFullYear(), date.getMonth(), date.getDate());
+ return day;
+ }, function(date, offset) {
+ date.setDate(date.getDate() + offset);
+ }, function(date) {
+ return date.getDate() - 1;
+ });
+ d3_time.days = d3_time.day.range;
+ d3_time.days.utc = d3_time.day.utc.range;
+ d3_time.dayOfYear = function(date) {
+ var year = d3_time.year(date);
+ return Math.floor((date - year - (date.getTimezoneOffset() - year.getTimezoneOffset()) * 6e4) / 864e5);
+ };
+ [ "sunday", "monday", "tuesday", "wednesday", "thursday", "friday", "saturday" ].forEach(function(day, i) {
+ i = 7 - i;
+ var interval = d3_time[day] = d3_time_interval(function(date) {
+ (date = d3_time.day(date)).setDate(date.getDate() - (date.getDay() + i) % 7);
+ return date;
+ }, function(date, offset) {
+ date.setDate(date.getDate() + Math.floor(offset) * 7);
+ }, function(date) {
+ var day = d3_time.year(date).getDay();
+ return Math.floor((d3_time.dayOfYear(date) + (day + i) % 7) / 7) - (day !== i);
+ });
+ d3_time[day + "s"] = interval.range;
+ d3_time[day + "s"].utc = interval.utc.range;
+ d3_time[day + "OfYear"] = function(date) {
+ var day = d3_time.year(date).getDay();
+ return Math.floor((d3_time.dayOfYear(date) + (day + i) % 7) / 7);
+ };
+ });
+ d3_time.week = d3_time.sunday;
+ d3_time.weeks = d3_time.sunday.range;
+ d3_time.weeks.utc = d3_time.sunday.utc.range;
+ d3_time.weekOfYear = d3_time.sundayOfYear;
+ function d3_locale_timeFormat(locale) {
+ var locale_dateTime = locale.dateTime, locale_date = locale.date, locale_time = locale.time, locale_periods = locale.periods, locale_days = locale.days, locale_shortDays = locale.shortDays, locale_months = locale.months, locale_shortMonths = locale.shortMonths;
+ function d3_time_format(template) {
+ var n = template.length;
+ function format(date) {
+ var string = [], i = -1, j = 0, c, p, f;
+ while (++i < n) {
+ if (template.charCodeAt(i) === 37) {
+ string.push(template.slice(j, i));
+ if ((p = d3_time_formatPads[c = template.charAt(++i)]) != null) c = template.charAt(++i);
+ if (f = d3_time_formats[c]) c = f(date, p == null ? c === "e" ? " " : "0" : p);
+ string.push(c);
+ j = i + 1;
+ }
+ }
+ string.push(template.slice(j, i));
+ return string.join("");
+ }
+ format.parse = function(string) {
+ var d = {
+ y: 1900,
+ m: 0,
+ d: 1,
+ H: 0,
+ M: 0,
+ S: 0,
+ L: 0,
+ Z: null
+ }, i = d3_time_parse(d, template, string, 0);
+ if (i != string.length) return null;
+ if ("p" in d) d.H = d.H % 12 + d.p * 12;
+ var localZ = d.Z != null && d3_date !== d3_date_utc, date = new (localZ ? d3_date_utc : d3_date)();
+ if ("j" in d) date.setFullYear(d.y, 0, d.j); else if ("w" in d && ("W" in d || "U" in d)) {
+ date.setFullYear(d.y, 0, 1);
+ date.setFullYear(d.y, 0, "W" in d ? (d.w + 6) % 7 + d.W * 7 - (date.getDay() + 5) % 7 : d.w + d.U * 7 - (date.getDay() + 6) % 7);
+ } else date.setFullYear(d.y, d.m, d.d);
+ date.setHours(d.H + (d.Z / 100 | 0), d.M + d.Z % 100, d.S, d.L);
+ return localZ ? date._ : date;
+ };
+ format.toString = function() {
+ return template;
+ };
+ return format;
+ }
+ function d3_time_parse(date, template, string, j) {
+ var c, p, t, i = 0, n = template.length, m = string.length;
+ while (i < n) {
+ if (j >= m) return -1;
+ c = template.charCodeAt(i++);
+ if (c === 37) {
+ t = template.charAt(i++);
+ p = d3_time_parsers[t in d3_time_formatPads ? template.charAt(i++) : t];
+ if (!p || (j = p(date, string, j)) < 0) return -1;
+ } else if (c != string.charCodeAt(j++)) {
+ return -1;
+ }
+ }
+ return j;
+ }
+ d3_time_format.utc = function(template) {
+ var local = d3_time_format(template);
+ function format(date) {
+ try {
+ d3_date = d3_date_utc;
+ var utc = new d3_date();
+ utc._ = date;
+ return local(utc);
+ } finally {
+ d3_date = Date;
+ }
+ }
+ format.parse = function(string) {
+ try {
+ d3_date = d3_date_utc;
+ var date = local.parse(string);
+ return date && date._;
+ } finally {
+ d3_date = Date;
+ }
+ };
+ format.toString = local.toString;
+ return format;
+ };
+ d3_time_format.multi = d3_time_format.utc.multi = d3_time_formatMulti;
+ var d3_time_periodLookup = d3.map(), d3_time_dayRe = d3_time_formatRe(locale_days), d3_time_dayLookup = d3_time_formatLookup(locale_days), d3_time_dayAbbrevRe = d3_time_formatRe(locale_shortDays), d3_time_dayAbbrevLookup = d3_time_formatLookup(locale_shortDays), d3_time_monthRe = d3_time_formatRe(locale_months), d3_time_monthLookup = d3_time_formatLookup(locale_months), d3_time_monthAbbrevRe = d3_time_formatRe(locale_shortMonths), d3_time_monthAbbrevLookup = d3_time_formatLookup(locale_shortMonths);
+ locale_periods.forEach(function(p, i) {
+ d3_time_periodLookup.set(p.toLowerCase(), i);
+ });
+ var d3_time_formats = {
+ a: function(d) {
+ return locale_shortDays[d.getDay()];
+ },
+ A: function(d) {
+ return locale_days[d.getDay()];
+ },
+ b: function(d) {
+ return locale_shortMonths[d.getMonth()];
+ },
+ B: function(d) {
+ return locale_months[d.getMonth()];
+ },
+ c: d3_time_format(locale_dateTime),
+ d: function(d, p) {
+ return d3_time_formatPad(d.getDate(), p, 2);
+ },
+ e: function(d, p) {
+ return d3_time_formatPad(d.getDate(), p, 2);
+ },
+ H: function(d, p) {
+ return d3_time_formatPad(d.getHours(), p, 2);
+ },
+ I: function(d, p) {
+ return d3_time_formatPad(d.getHours() % 12 || 12, p, 2);
+ },
+ j: function(d, p) {
+ return d3_time_formatPad(1 + d3_time.dayOfYear(d), p, 3);
+ },
+ L: function(d, p) {
+ return d3_time_formatPad(d.getMilliseconds(), p, 3);
+ },
+ m: function(d, p) {
+ return d3_time_formatPad(d.getMonth() + 1, p, 2);
+ },
+ M: function(d, p) {
+ return d3_time_formatPad(d.getMinutes(), p, 2);
+ },
+ p: function(d) {
+ return locale_periods[+(d.getHours() >= 12)];
+ },
+ S: function(d, p) {
+ return d3_time_formatPad(d.getSeconds(), p, 2);
+ },
+ U: function(d, p) {
+ return d3_time_formatPad(d3_time.sundayOfYear(d), p, 2);
+ },
+ w: function(d) {
+ return d.getDay();
+ },
+ W: function(d, p) {
+ return d3_time_formatPad(d3_time.mondayOfYear(d), p, 2);
+ },
+ x: d3_time_format(locale_date),
+ X: d3_time_format(locale_time),
+ y: function(d, p) {
+ return d3_time_formatPad(d.getFullYear() % 100, p, 2);
+ },
+ Y: function(d, p) {
+ return d3_time_formatPad(d.getFullYear() % 1e4, p, 4);
+ },
+ Z: d3_time_zone,
+ "%": function() {
+ return "%";
+ }
+ };
+ var d3_time_parsers = {
+ a: d3_time_parseWeekdayAbbrev,
+ A: d3_time_parseWeekday,
+ b: d3_time_parseMonthAbbrev,
+ B: d3_time_parseMonth,
+ c: d3_time_parseLocaleFull,
+ d: d3_time_parseDay,
+ e: d3_time_parseDay,
+ H: d3_time_parseHour24,
+ I: d3_time_parseHour24,
+ j: d3_time_parseDayOfYear,
+ L: d3_time_parseMilliseconds,
+ m: d3_time_parseMonthNumber,
+ M: d3_time_parseMinutes,
+ p: d3_time_parseAmPm,
+ S: d3_time_parseSeconds,
+ U: d3_time_parseWeekNumberSunday,
+ w: d3_time_parseWeekdayNumber,
+ W: d3_time_parseWeekNumberMonday,
+ x: d3_time_parseLocaleDate,
+ X: d3_time_parseLocaleTime,
+ y: d3_time_parseYear,
+ Y: d3_time_parseFullYear,
+ Z: d3_time_parseZone,
+ "%": d3_time_parseLiteralPercent
+ };
+ function d3_time_parseWeekdayAbbrev(date, string, i) {
+ d3_time_dayAbbrevRe.lastIndex = 0;
+ var n = d3_time_dayAbbrevRe.exec(string.slice(i));
+ return n ? (date.w = d3_time_dayAbbrevLookup.get(n[0].toLowerCase()), i + n[0].length) : -1;
+ }
+ function d3_time_parseWeekday(date, string, i) {
+ d3_time_dayRe.lastIndex = 0;
+ var n = d3_time_dayRe.exec(string.slice(i));
+ return n ? (date.w = d3_time_dayLookup.get(n[0].toLowerCase()), i + n[0].length) : -1;
+ }
+ function d3_time_parseMonthAbbrev(date, string, i) {
+ d3_time_monthAbbrevRe.lastIndex = 0;
+ var n = d3_time_monthAbbrevRe.exec(string.slice(i));
+ return n ? (date.m = d3_time_monthAbbrevLookup.get(n[0].toLowerCase()), i + n[0].length) : -1;
+ }
+ function d3_time_parseMonth(date, string, i) {
+ d3_time_monthRe.lastIndex = 0;
+ var n = d3_time_monthRe.exec(string.slice(i));
+ return n ? (date.m = d3_time_monthLookup.get(n[0].toLowerCase()), i + n[0].length) : -1;
+ }
+ function d3_time_parseLocaleFull(date, string, i) {
+ return d3_time_parse(date, d3_time_formats.c.toString(), string, i);
+ }
+ function d3_time_parseLocaleDate(date, string, i) {
+ return d3_time_parse(date, d3_time_formats.x.toString(), string, i);
+ }
+ function d3_time_parseLocaleTime(date, string, i) {
+ return d3_time_parse(date, d3_time_formats.X.toString(), string, i);
+ }
+ function d3_time_parseAmPm(date, string, i) {
+ var n = d3_time_periodLookup.get(string.slice(i, i += 2).toLowerCase());
+ return n == null ? -1 : (date.p = n, i);
+ }
+ return d3_time_format;
+ }
+ var d3_time_formatPads = {
+ "-": "",
+ _: " ",
+ "0": "0"
+ }, d3_time_numberRe = /^\s*\d+/, d3_time_percentRe = /^%/;
+ function d3_time_formatPad(value, fill, width) {
+ var sign = value < 0 ? "-" : "", string = (sign ? -value : value) + "", length = string.length;
+ return sign + (length < width ? new Array(width - length + 1).join(fill) + string : string);
+ }
+ function d3_time_formatRe(names) {
+ return new RegExp("^(?:" + names.map(d3.requote).join("|") + ")", "i");
+ }
+ function d3_time_formatLookup(names) {
+ var map = new d3_Map(), i = -1, n = names.length;
+ while (++i < n) map.set(names[i].toLowerCase(), i);
+ return map;
+ }
+ function d3_time_parseWeekdayNumber(date, string, i) {
+ d3_time_numberRe.lastIndex = 0;
+ var n = d3_time_numberRe.exec(string.slice(i, i + 1));
+ return n ? (date.w = +n[0], i + n[0].length) : -1;
+ }
+ function d3_time_parseWeekNumberSunday(date, string, i) {
+ d3_time_numberRe.lastIndex = 0;
+ var n = d3_time_numberRe.exec(string.slice(i));
+ return n ? (date.U = +n[0], i + n[0].length) : -1;
+ }
+ function d3_time_parseWeekNumberMonday(date, string, i) {
+ d3_time_numberRe.lastIndex = 0;
+ var n = d3_time_numberRe.exec(string.slice(i));
+ return n ? (date.W = +n[0], i + n[0].length) : -1;
+ }
+ function d3_time_parseFullYear(date, string, i) {
+ d3_time_numberRe.lastIndex = 0;
+ var n = d3_time_numberRe.exec(string.slice(i, i + 4));
+ return n ? (date.y = +n[0], i + n[0].length) : -1;
+ }
+ function d3_time_parseYear(date, string, i) {
+ d3_time_numberRe.lastIndex = 0;
+ var n = d3_time_numberRe.exec(string.slice(i, i + 2));
+ return n ? (date.y = d3_time_expandYear(+n[0]), i + n[0].length) : -1;
+ }
+ function d3_time_parseZone(date, string, i) {
+ return /^[+-]\d{4}$/.test(string = string.slice(i, i + 5)) ? (date.Z = -string,
+ i + 5) : -1;
+ }
+ function d3_time_expandYear(d) {
+ return d + (d > 68 ? 1900 : 2e3);
+ }
+ function d3_time_parseMonthNumber(date, string, i) {
+ d3_time_numberRe.lastIndex = 0;
+ var n = d3_time_numberRe.exec(string.slice(i, i + 2));
+ return n ? (date.m = n[0] - 1, i + n[0].length) : -1;
+ }
+ function d3_time_parseDay(date, string, i) {
+ d3_time_numberRe.lastIndex = 0;
+ var n = d3_time_numberRe.exec(string.slice(i, i + 2));
+ return n ? (date.d = +n[0], i + n[0].length) : -1;
+ }
+ function d3_time_parseDayOfYear(date, string, i) {
+ d3_time_numberRe.lastIndex = 0;
+ var n = d3_time_numberRe.exec(string.slice(i, i + 3));
+ return n ? (date.j = +n[0], i + n[0].length) : -1;
+ }
+ function d3_time_parseHour24(date, string, i) {
+ d3_time_numberRe.lastIndex = 0;
+ var n = d3_time_numberRe.exec(string.slice(i, i + 2));
+ return n ? (date.H = +n[0], i + n[0].length) : -1;
+ }
+ function d3_time_parseMinutes(date, string, i) {
+ d3_time_numberRe.lastIndex = 0;
+ var n = d3_time_numberRe.exec(string.slice(i, i + 2));
+ return n ? (date.M = +n[0], i + n[0].length) : -1;
+ }
+ function d3_time_parseSeconds(date, string, i) {
+ d3_time_numberRe.lastIndex = 0;
+ var n = d3_time_numberRe.exec(string.slice(i, i + 2));
+ return n ? (date.S = +n[0], i + n[0].length) : -1;
+ }
+ function d3_time_parseMilliseconds(date, string, i) {
+ d3_time_numberRe.lastIndex = 0;
+ var n = d3_time_numberRe.exec(string.slice(i, i + 3));
+ return n ? (date.L = +n[0], i + n[0].length) : -1;
+ }
+ function d3_time_zone(d) {
+ var z = d.getTimezoneOffset(), zs = z > 0 ? "-" : "+", zh = abs(z) / 60 | 0, zm = abs(z) % 60;
+ return zs + d3_time_formatPad(zh, "0", 2) + d3_time_formatPad(zm, "0", 2);
+ }
+ function d3_time_parseLiteralPercent(date, string, i) {
+ d3_time_percentRe.lastIndex = 0;
+ var n = d3_time_percentRe.exec(string.slice(i, i + 1));
+ return n ? i + n[0].length : -1;
+ }
+ function d3_time_formatMulti(formats) {
+ var n = formats.length, i = -1;
+ while (++i < n) formats[i][0] = this(formats[i][0]);
+ return function(date) {
+ var i = 0, f = formats[i];
+ while (!f[1](date)) f = formats[++i];
+ return f[0](date);
+ };
+ }
+ d3.locale = function(locale) {
+ return {
+ numberFormat: d3_locale_numberFormat(locale),
+ timeFormat: d3_locale_timeFormat(locale)
+ };
+ };
+ var d3_locale_enUS = d3.locale({
+ decimal: ".",
+ thousands: ",",
+ grouping: [ 3 ],
+ currency: [ "$", "" ],
+ dateTime: "%a %b %e %X %Y",
+ date: "%m/%d/%Y",
+ time: "%H:%M:%S",
+ periods: [ "AM", "PM" ],
+ days: [ "Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday" ],
+ shortDays: [ "Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat" ],
+ months: [ "January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December" ],
+ shortMonths: [ "Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec" ]
+ });
+ d3.format = d3_locale_enUS.numberFormat;
+ d3.geo = {};
+ function d3_adder() {}
+ d3_adder.prototype = {
+ s: 0,
+ t: 0,
+ add: function(y) {
+ d3_adderSum(y, this.t, d3_adderTemp);
+ d3_adderSum(d3_adderTemp.s, this.s, this);
+ if (this.s) this.t += d3_adderTemp.t; else this.s = d3_adderTemp.t;
+ },
+ reset: function() {
+ this.s = this.t = 0;
+ },
+ valueOf: function() {
+ return this.s;
+ }
+ };
+ var d3_adderTemp = new d3_adder();
+ function d3_adderSum(a, b, o) {
+ var x = o.s = a + b, bv = x - a, av = x - bv;
+ o.t = a - av + (b - bv);
+ }
+ d3.geo.stream = function(object, listener) {
+ if (object && d3_geo_streamObjectType.hasOwnProperty(object.type)) {
+ d3_geo_streamObjectType[object.type](object, listener);
+ } else {
+ d3_geo_streamGeometry(object, listener);
+ }
+ };
+ function d3_geo_streamGeometry(geometry, listener) {
+ if (geometry && d3_geo_streamGeometryType.hasOwnProperty(geometry.type)) {
+ d3_geo_streamGeometryType[geometry.type](geometry, listener);
+ }
+ }
+ var d3_geo_streamObjectType = {
+ Feature: function(feature, listener) {
+ d3_geo_streamGeometry(feature.geometry, listener);
+ },
+ FeatureCollection: function(object, listener) {
+ var features = object.features, i = -1, n = features.length;
+ while (++i < n) d3_geo_streamGeometry(features[i].geometry, listener);
+ }
+ };
+ var d3_geo_streamGeometryType = {
+ Sphere: function(object, listener) {
+ listener.sphere();
+ },
+ Point: function(object, listener) {
+ object = object.coordinates;
+ listener.point(object[0], object[1], object[2]);
+ },
+ MultiPoint: function(object, listener) {
+ var coordinates = object.coordinates, i = -1, n = coordinates.length;
+ while (++i < n) object = coordinates[i], listener.point(object[0], object[1], object[2]);
+ },
+ LineString: function(object, listener) {
+ d3_geo_streamLine(object.coordinates, listener, 0);
+ },
+ MultiLineString: function(object, listener) {
+ var coordinates = object.coordinates, i = -1, n = coordinates.length;
+ while (++i < n) d3_geo_streamLine(coordinates[i], listener, 0);
+ },
+ Polygon: function(object, listener) {
+ d3_geo_streamPolygon(object.coordinates, listener);
+ },
+ MultiPolygon: function(object, listener) {
+ var coordinates = object.coordinates, i = -1, n = coordinates.length;
+ while (++i < n) d3_geo_streamPolygon(coordinates[i], listener);
+ },
+ GeometryCollection: function(object, listener) {
+ var geometries = object.geometries, i = -1, n = geometries.length;
+ while (++i < n) d3_geo_streamGeometry(geometries[i], listener);
+ }
+ };
+ function d3_geo_streamLine(coordinates, listener, closed) {
+ var i = -1, n = coordinates.length - closed, coordinate;
+ listener.lineStart();
+ while (++i < n) coordinate = coordinates[i], listener.point(coordinate[0], coordinate[1], coordinate[2]);
+ listener.lineEnd();
+ }
+ function d3_geo_streamPolygon(coordinates, listener) {
+ var i = -1, n = coordinates.length;
+ listener.polygonStart();
+ while (++i < n) d3_geo_streamLine(coordinates[i], listener, 1);
+ listener.polygonEnd();
+ }
+ d3.geo.area = function(object) {
+ d3_geo_areaSum = 0;
+ d3.geo.stream(object, d3_geo_area);
+ return d3_geo_areaSum;
+ };
+ var d3_geo_areaSum, d3_geo_areaRingSum = new d3_adder();
+ var d3_geo_area = {
+ sphere: function() {
+ d3_geo_areaSum += 4 * π;
+ },
+ point: d3_noop,
+ lineStart: d3_noop,
+ lineEnd: d3_noop,
+ polygonStart: function() {
+ d3_geo_areaRingSum.reset();
+ d3_geo_area.lineStart = d3_geo_areaRingStart;
+ },
+ polygonEnd: function() {
+ var area = 2 * d3_geo_areaRingSum;
+ d3_geo_areaSum += area < 0 ? 4 * π + area : area;
+ d3_geo_area.lineStart = d3_geo_area.lineEnd = d3_geo_area.point = d3_noop;
+ }
+ };
+ function d3_geo_areaRingStart() {
+ var λ00, φ00, λ0, cosφ0, sinφ0;
+ d3_geo_area.point = function(λ, φ) {
+ d3_geo_area.point = nextPoint;
+ λ0 = (λ00 = λ) * d3_radians, cosφ0 = Math.cos(φ = (φ00 = φ) * d3_radians / 2 + π / 4),
+ sinφ0 = Math.sin(φ);
+ };
+ function nextPoint(λ, φ) {
+ λ *= d3_radians;
+ φ = φ * d3_radians / 2 + π / 4;
+ var dλ = λ - λ0, sdλ = dλ >= 0 ? 1 : -1, adλ = sdλ * dλ, cosφ = Math.cos(φ), sinφ = Math.sin(φ), k = sinφ0 * sinφ, u = cosφ0 * cosφ + k * Math.cos(adλ), v = k * sdλ * Math.sin(adλ);
+ d3_geo_areaRingSum.add(Math.atan2(v, u));
+ λ0 = λ, cosφ0 = cosφ, sinφ0 = sinφ;
+ }
+ d3_geo_area.lineEnd = function() {
+ nextPoint(λ00, φ00);
+ };
+ }
+ function d3_geo_cartesian(spherical) {
+ var λ = spherical[0], φ = spherical[1], cosφ = Math.cos(φ);
+ return [ cosφ * Math.cos(λ), cosφ * Math.sin(λ), Math.sin(φ) ];
+ }
+ function d3_geo_cartesianDot(a, b) {
+ return a[0] * b[0] + a[1] * b[1] + a[2] * b[2];
+ }
+ function d3_geo_cartesianCross(a, b) {
+ return [ a[1] * b[2] - a[2] * b[1], a[2] * b[0] - a[0] * b[2], a[0] * b[1] - a[1] * b[0] ];
+ }
+ function d3_geo_cartesianAdd(a, b) {
+ a[0] += b[0];
+ a[1] += b[1];
+ a[2] += b[2];
+ }
+ function d3_geo_cartesianScale(vector, k) {
+ return [ vector[0] * k, vector[1] * k, vector[2] * k ];
+ }
+ function d3_geo_cartesianNormalize(d) {
+ var l = Math.sqrt(d[0] * d[0] + d[1] * d[1] + d[2] * d[2]);
+ d[0] /= l;
+ d[1] /= l;
+ d[2] /= l;
+ }
+ function d3_geo_spherical(cartesian) {
+ return [ Math.atan2(cartesian[1], cartesian[0]), d3_asin(cartesian[2]) ];
+ }
+ function d3_geo_sphericalEqual(a, b) {
+ return abs(a[0] - b[0]) < ε && abs(a[1] - b[1]) < ε;
+ }
+ d3.geo.bounds = function() {
+ var λ0, φ0, λ1, φ1, λ_, λ__, φ__, p0, dλSum, ranges, range;
+ var bound = {
+ point: point,
+ lineStart: lineStart,
+ lineEnd: lineEnd,
+ polygonStart: function() {
+ bound.point = ringPoint;
+ bound.lineStart = ringStart;
+ bound.lineEnd = ringEnd;
+ dλSum = 0;
+ d3_geo_area.polygonStart();
+ },
+ polygonEnd: function() {
+ d3_geo_area.polygonEnd();
+ bound.point = point;
+ bound.lineStart = lineStart;
+ bound.lineEnd = lineEnd;
+ if (d3_geo_areaRingSum < 0) λ0 = -(λ1 = 180), φ0 = -(φ1 = 90); else if (dλSum > ε) φ1 = 90; else if (dλSum < -ε) φ0 = -90;
+ range[0] = λ0, range[1] = λ1;
+ }
+ };
+ function point(λ, φ) {
+ ranges.push(range = [ λ0 = λ, λ1 = λ ]);
+ if (φ < φ0) φ0 = φ;
+ if (φ > φ1) φ1 = φ;
+ }
+ function linePoint(λ, φ) {
+ var p = d3_geo_cartesian([ λ * d3_radians, φ * d3_radians ]);
+ if (p0) {
+ var normal = d3_geo_cartesianCross(p0, p), equatorial = [ normal[1], -normal[0], 0 ], inflection = d3_geo_cartesianCross(equatorial, normal);
+ d3_geo_cartesianNormalize(inflection);
+ inflection = d3_geo_spherical(inflection);
+ var dλ = λ - λ_, s = dλ > 0 ? 1 : -1, λi = inflection[0] * d3_degrees * s, antimeridian = abs(dλ) > 180;
+ if (antimeridian ^ (s * λ_ < λi && λi < s * λ)) {
+ var φi = inflection[1] * d3_degrees;
+ if (φi > φ1) φ1 = φi;
+ } else if (λi = (λi + 360) % 360 - 180, antimeridian ^ (s * λ_ < λi && λi < s * λ)) {
+ var φi = -inflection[1] * d3_degrees;
+ if (φi < φ0) φ0 = φi;
+ } else {
+ if (φ < φ0) φ0 = φ;
+ if (φ > φ1) φ1 = φ;
+ }
+ if (antimeridian) {
+ if (λ < λ_) {
+ if (angle(λ0, λ) > angle(λ0, λ1)) λ1 = λ;
+ } else {
+ if (angle(λ, λ1) > angle(λ0, λ1)) λ0 = λ;
+ }
+ } else {
+ if (λ1 >= λ0) {
+ if (λ < λ0) λ0 = λ;
+ if (λ > λ1) λ1 = λ;
+ } else {
+ if (λ > λ_) {
+ if (angle(λ0, λ) > angle(λ0, λ1)) λ1 = λ;
+ } else {
+ if (angle(λ, λ1) > angle(λ0, λ1)) λ0 = λ;
+ }
+ }
+ }
+ } else {
+ point(λ, φ);
+ }
+ p0 = p, λ_ = λ;
+ }
+ function lineStart() {
+ bound.point = linePoint;
+ }
+ function lineEnd() {
+ range[0] = λ0, range[1] = λ1;
+ bound.point = point;
+ p0 = null;
+ }
+ function ringPoint(λ, φ) {
+ if (p0) {
+ var dλ = λ - λ_;
+ dλSum += abs(dλ) > 180 ? dλ + (dλ > 0 ? 360 : -360) : dλ;
+ } else λ__ = λ, φ__ = φ;
+ d3_geo_area.point(λ, φ);
+ linePoint(λ, φ);
+ }
+ function ringStart() {
+ d3_geo_area.lineStart();
+ }
+ function ringEnd() {
+ ringPoint(λ__, φ__);
+ d3_geo_area.lineEnd();
+ if (abs(dλSum) > ε) λ0 = -(λ1 = 180);
+ range[0] = λ0, range[1] = λ1;
+ p0 = null;
+ }
+ function angle(λ0, λ1) {
+ return (λ1 -= λ0) < 0 ? λ1 + 360 : λ1;
+ }
+ function compareRanges(a, b) {
+ return a[0] - b[0];
+ }
+ function withinRange(x, range) {
+ return range[0] <= range[1] ? range[0] <= x && x <= range[1] : x < range[0] || range[1] < x;
+ }
+ return function(feature) {
+ φ1 = λ1 = -(λ0 = φ0 = Infinity);
+ ranges = [];
+ d3.geo.stream(feature, bound);
+ var n = ranges.length;
+ if (n) {
+ ranges.sort(compareRanges);
+ for (var i = 1, a = ranges[0], b, merged = [ a ]; i < n; ++i) {
+ b = ranges[i];
+ if (withinRange(b[0], a) || withinRange(b[1], a)) {
+ if (angle(a[0], b[1]) > angle(a[0], a[1])) a[1] = b[1];
+ if (angle(b[0], a[1]) > angle(a[0], a[1])) a[0] = b[0];
+ } else {
+ merged.push(a = b);
+ }
+ }
+ var best = -Infinity, dλ;
+ for (var n = merged.length - 1, i = 0, a = merged[n], b; i <= n; a = b, ++i) {
+ b = merged[i];
+ if ((dλ = angle(a[1], b[0])) > best) best = dλ, λ0 = b[0], λ1 = a[1];
+ }
+ }
+ ranges = range = null;
+ return λ0 === Infinity || φ0 === Infinity ? [ [ NaN, NaN ], [ NaN, NaN ] ] : [ [ λ0, φ0 ], [ λ1, φ1 ] ];
+ };
+ }();
+ d3.geo.centroid = function(object) {
+ d3_geo_centroidW0 = d3_geo_centroidW1 = d3_geo_centroidX0 = d3_geo_centroidY0 = d3_geo_centroidZ0 = d3_geo_centroidX1 = d3_geo_centroidY1 = d3_geo_centroidZ1 = d3_geo_centroidX2 = d3_geo_centroidY2 = d3_geo_centroidZ2 = 0;
+ d3.geo.stream(object, d3_geo_centroid);
+ var x = d3_geo_centroidX2, y = d3_geo_centroidY2, z = d3_geo_centroidZ2, m = x * x + y * y + z * z;
+ if (m < ε2) {
+ x = d3_geo_centroidX1, y = d3_geo_centroidY1, z = d3_geo_centroidZ1;
+ if (d3_geo_centroidW1 < ε) x = d3_geo_centroidX0, y = d3_geo_centroidY0, z = d3_geo_centroidZ0;
+ m = x * x + y * y + z * z;
+ if (m < ε2) return [ NaN, NaN ];
+ }
+ return [ Math.atan2(y, x) * d3_degrees, d3_asin(z / Math.sqrt(m)) * d3_degrees ];
+ };
+ var d3_geo_centroidW0, d3_geo_centroidW1, d3_geo_centroidX0, d3_geo_centroidY0, d3_geo_centroidZ0, d3_geo_centroidX1, d3_geo_centroidY1, d3_geo_centroidZ1, d3_geo_centroidX2, d3_geo_centroidY2, d3_geo_centroidZ2;
+ var d3_geo_centroid = {
+ sphere: d3_noop,
+ point: d3_geo_centroidPoint,
+ lineStart: d3_geo_centroidLineStart,
+ lineEnd: d3_geo_centroidLineEnd,
+ polygonStart: function() {
+ d3_geo_centroid.lineStart = d3_geo_centroidRingStart;
+ },
+ polygonEnd: function() {
+ d3_geo_centroid.lineStart = d3_geo_centroidLineStart;
+ }
+ };
+ function d3_geo_centroidPoint(λ, φ) {
+ λ *= d3_radians;
+ var cosφ = Math.cos(φ *= d3_radians);
+ d3_geo_centroidPointXYZ(cosφ * Math.cos(λ), cosφ * Math.sin(λ), Math.sin(φ));
+ }
+ function d3_geo_centroidPointXYZ(x, y, z) {
+ ++d3_geo_centroidW0;
+ d3_geo_centroidX0 += (x - d3_geo_centroidX0) / d3_geo_centroidW0;
+ d3_geo_centroidY0 += (y - d3_geo_centroidY0) / d3_geo_centroidW0;
+ d3_geo_centroidZ0 += (z - d3_geo_centroidZ0) / d3_geo_centroidW0;
+ }
+ function d3_geo_centroidLineStart() {
+ var x0, y0, z0;
+ d3_geo_centroid.point = function(λ, φ) {
+ λ *= d3_radians;
+ var cosφ = Math.cos(φ *= d3_radians);
+ x0 = cosφ * Math.cos(λ);
+ y0 = cosφ * Math.sin(λ);
+ z0 = Math.sin(φ);
+ d3_geo_centroid.point = nextPoint;
+ d3_geo_centroidPointXYZ(x0, y0, z0);
+ };
+ function nextPoint(λ, φ) {
+ λ *= d3_radians;
+ var cosφ = Math.cos(φ *= d3_radians), x = cosφ * Math.cos(λ), y = cosφ * Math.sin(λ), z = Math.sin(φ), w = Math.atan2(Math.sqrt((w = y0 * z - z0 * y) * w + (w = z0 * x - x0 * z) * w + (w = x0 * y - y0 * x) * w), x0 * x + y0 * y + z0 * z);
+ d3_geo_centroidW1 += w;
+ d3_geo_centroidX1 += w * (x0 + (x0 = x));
+ d3_geo_centroidY1 += w * (y0 + (y0 = y));
+ d3_geo_centroidZ1 += w * (z0 + (z0 = z));
+ d3_geo_centroidPointXYZ(x0, y0, z0);
+ }
+ }
+ function d3_geo_centroidLineEnd() {
+ d3_geo_centroid.point = d3_geo_centroidPoint;
+ }
+ function d3_geo_centroidRingStart() {
+ var λ00, φ00, x0, y0, z0;
+ d3_geo_centroid.point = function(λ, φ) {
+ λ00 = λ, φ00 = φ;
+ d3_geo_centroid.point = nextPoint;
+ λ *= d3_radians;
+ var cosφ = Math.cos(φ *= d3_radians);
+ x0 = cosφ * Math.cos(λ);
+ y0 = cosφ * Math.sin(λ);
+ z0 = Math.sin(φ);
+ d3_geo_centroidPointXYZ(x0, y0, z0);
+ };
+ d3_geo_centroid.lineEnd = function() {
+ nextPoint(λ00, φ00);
+ d3_geo_centroid.lineEnd = d3_geo_centroidLineEnd;
+ d3_geo_centroid.point = d3_geo_centroidPoint;
+ };
+ function nextPoint(λ, φ) {
+ λ *= d3_radians;
+ var cosφ = Math.cos(φ *= d3_radians), x = cosφ * Math.cos(λ), y = cosφ * Math.sin(λ), z = Math.sin(φ), cx = y0 * z - z0 * y, cy = z0 * x - x0 * z, cz = x0 * y - y0 * x, m = Math.sqrt(cx * cx + cy * cy + cz * cz), u = x0 * x + y0 * y + z0 * z, v = m && -d3_acos(u) / m, w = Math.atan2(m, u);
+ d3_geo_centroidX2 += v * cx;
+ d3_geo_centroidY2 += v * cy;
+ d3_geo_centroidZ2 += v * cz;
+ d3_geo_centroidW1 += w;
+ d3_geo_centroidX1 += w * (x0 + (x0 = x));
+ d3_geo_centroidY1 += w * (y0 + (y0 = y));
+ d3_geo_centroidZ1 += w * (z0 + (z0 = z));
+ d3_geo_centroidPointXYZ(x0, y0, z0);
+ }
+ }
+ function d3_geo_compose(a, b) {
+ function compose(x, y) {
+ return x = a(x, y), b(x[0], x[1]);
+ }
+ if (a.invert && b.invert) compose.invert = function(x, y) {
+ return x = b.invert(x, y), x && a.invert(x[0], x[1]);
+ };
+ return compose;
+ }
+ function d3_true() {
+ return true;
+ }
+ function d3_geo_clipPolygon(segments, compare, clipStartInside, interpolate, listener) {
+ var subject = [], clip = [];
+ segments.forEach(function(segment) {
+ if ((n = segment.length - 1) <= 0) return;
+ var n, p0 = segment[0], p1 = segment[n];
+ if (d3_geo_sphericalEqual(p0, p1)) {
+ listener.lineStart();
+ for (var i = 0; i < n; ++i) listener.point((p0 = segment[i])[0], p0[1]);
+ listener.lineEnd();
+ return;
+ }
+ var a = new d3_geo_clipPolygonIntersection(p0, segment, null, true), b = new d3_geo_clipPolygonIntersection(p0, null, a, false);
+ a.o = b;
+ subject.push(a);
+ clip.push(b);
+ a = new d3_geo_clipPolygonIntersection(p1, segment, null, false);
+ b = new d3_geo_clipPolygonIntersection(p1, null, a, true);
+ a.o = b;
+ subject.push(a);
+ clip.push(b);
+ });
+ clip.sort(compare);
+ d3_geo_clipPolygonLinkCircular(subject);
+ d3_geo_clipPolygonLinkCircular(clip);
+ if (!subject.length) return;
+ for (var i = 0, entry = clipStartInside, n = clip.length; i < n; ++i) {
+ clip[i].e = entry = !entry;
+ }
+ var start = subject[0], points, point;
+ while (1) {
+ var current = start, isSubject = true;
+ while (current.v) if ((current = current.n) === start) return;
+ points = current.z;
+ listener.lineStart();
+ do {
+ current.v = current.o.v = true;
+ if (current.e) {
+ if (isSubject) {
+ for (var i = 0, n = points.length; i < n; ++i) listener.point((point = points[i])[0], point[1]);
+ } else {
+ interpolate(current.x, current.n.x, 1, listener);
+ }
+ current = current.n;
+ } else {
+ if (isSubject) {
+ points = current.p.z;
+ for (var i = points.length - 1; i >= 0; --i) listener.point((point = points[i])[0], point[1]);
+ } else {
+ interpolate(current.x, current.p.x, -1, listener);
+ }
+ current = current.p;
+ }
+ current = current.o;
+ points = current.z;
+ isSubject = !isSubject;
+ } while (!current.v);
+ listener.lineEnd();
+ }
+ }
+ function d3_geo_clipPolygonLinkCircular(array) {
+ if (!(n = array.length)) return;
+ var n, i = 0, a = array[0], b;
+ while (++i < n) {
+ a.n = b = array[i];
+ b.p = a;
+ a = b;
+ }
+ a.n = b = array[0];
+ b.p = a;
+ }
+ function d3_geo_clipPolygonIntersection(point, points, other, entry) {
+ this.x = point;
+ this.z = points;
+ this.o = other;
+ this.e = entry;
+ this.v = false;
+ this.n = this.p = null;
+ }
+ function d3_geo_clip(pointVisible, clipLine, interpolate, clipStart) {
+ return function(rotate, listener) {
+ var line = clipLine(listener), rotatedClipStart = rotate.invert(clipStart[0], clipStart[1]);
+ var clip = {
+ point: point,
+ lineStart: lineStart,
+ lineEnd: lineEnd,
+ polygonStart: function() {
+ clip.point = pointRing;
+ clip.lineStart = ringStart;
+ clip.lineEnd = ringEnd;
+ segments = [];
+ polygon = [];
+ },
+ polygonEnd: function() {
+ clip.point = point;
+ clip.lineStart = lineStart;
+ clip.lineEnd = lineEnd;
+ segments = d3.merge(segments);
+ var clipStartInside = d3_geo_pointInPolygon(rotatedClipStart, polygon);
+ if (segments.length) {
+ if (!polygonStarted) listener.polygonStart(), polygonStarted = true;
+ d3_geo_clipPolygon(segments, d3_geo_clipSort, clipStartInside, interpolate, listener);
+ } else if (clipStartInside) {
+ if (!polygonStarted) listener.polygonStart(), polygonStarted = true;
+ listener.lineStart();
+ interpolate(null, null, 1, listener);
+ listener.lineEnd();
+ }
+ if (polygonStarted) listener.polygonEnd(), polygonStarted = false;
+ segments = polygon = null;
+ },
+ sphere: function() {
+ listener.polygonStart();
+ listener.lineStart();
+ interpolate(null, null, 1, listener);
+ listener.lineEnd();
+ listener.polygonEnd();
+ }
+ };
+ function point(λ, φ) {
+ var point = rotate(λ, φ);
+ if (pointVisible(λ = point[0], φ = point[1])) listener.point(λ, φ);
+ }
+ function pointLine(λ, φ) {
+ var point = rotate(λ, φ);
+ line.point(point[0], point[1]);
+ }
+ function lineStart() {
+ clip.point = pointLine;
+ line.lineStart();
+ }
+ function lineEnd() {
+ clip.point = point;
+ line.lineEnd();
+ }
+ var segments;
+ var buffer = d3_geo_clipBufferListener(), ringListener = clipLine(buffer), polygonStarted = false, polygon, ring;
+ function pointRing(λ, φ) {
+ ring.push([ λ, φ ]);
+ var point = rotate(λ, φ);
+ ringListener.point(point[0], point[1]);
+ }
+ function ringStart() {
+ ringListener.lineStart();
+ ring = [];
+ }
+ function ringEnd() {
+ pointRing(ring[0][0], ring[0][1]);
+ ringListener.lineEnd();
+ var clean = ringListener.clean(), ringSegments = buffer.buffer(), segment, n = ringSegments.length;
+ ring.pop();
+ polygon.push(ring);
+ ring = null;
+ if (!n) return;
+ if (clean & 1) {
+ segment = ringSegments[0];
+ var n = segment.length - 1, i = -1, point;
+ if (n > 0) {
+ if (!polygonStarted) listener.polygonStart(), polygonStarted = true;
+ listener.lineStart();
+ while (++i < n) listener.point((point = segment[i])[0], point[1]);
+ listener.lineEnd();
+ }
+ return;
+ }
+ if (n > 1 && clean & 2) ringSegments.push(ringSegments.pop().concat(ringSegments.shift()));
+ segments.push(ringSegments.filter(d3_geo_clipSegmentLength1));
+ }
+ return clip;
+ };
+ }
+ function d3_geo_clipSegmentLength1(segment) {
+ return segment.length > 1;
+ }
+ function d3_geo_clipBufferListener() {
+ var lines = [], line;
+ return {
+ lineStart: function() {
+ lines.push(line = []);
+ },
+ point: function(λ, φ) {
+ line.push([ λ, φ ]);
+ },
+ lineEnd: d3_noop,
+ buffer: function() {
+ var buffer = lines;
+ lines = [];
+ line = null;
+ return buffer;
+ },
+ rejoin: function() {
+ if (lines.length > 1) lines.push(lines.pop().concat(lines.shift()));
+ }
+ };
+ }
+ function d3_geo_clipSort(a, b) {
+ return ((a = a.x)[0] < 0 ? a[1] - halfπ - ε : halfπ - a[1]) - ((b = b.x)[0] < 0 ? b[1] - halfπ - ε : halfπ - b[1]);
+ }
+ var d3_geo_clipAntimeridian = d3_geo_clip(d3_true, d3_geo_clipAntimeridianLine, d3_geo_clipAntimeridianInterpolate, [ -π, -π / 2 ]);
+ function d3_geo_clipAntimeridianLine(listener) {
+ var λ0 = NaN, φ0 = NaN, sλ0 = NaN, clean;
+ return {
+ lineStart: function() {
+ listener.lineStart();
+ clean = 1;
+ },
+ point: function(λ1, φ1) {
+ var sλ1 = λ1 > 0 ? π : -π, dλ = abs(λ1 - λ0);
+ if (abs(dλ - π) < ε) {
+ listener.point(λ0, φ0 = (φ0 + φ1) / 2 > 0 ? halfπ : -halfπ);
+ listener.point(sλ0, φ0);
+ listener.lineEnd();
+ listener.lineStart();
+ listener.point(sλ1, φ0);
+ listener.point(λ1, φ0);
+ clean = 0;
+ } else if (sλ0 !== sλ1 && dλ >= π) {
+ if (abs(λ0 - sλ0) < ε) λ0 -= sλ0 * ε;
+ if (abs(λ1 - sλ1) < ε) λ1 -= sλ1 * ε;
+ φ0 = d3_geo_clipAntimeridianIntersect(λ0, φ0, λ1, φ1);
+ listener.point(sλ0, φ0);
+ listener.lineEnd();
+ listener.lineStart();
+ listener.point(sλ1, φ0);
+ clean = 0;
+ }
+ listener.point(λ0 = λ1, φ0 = φ1);
+ sλ0 = sλ1;
+ },
+ lineEnd: function() {
+ listener.lineEnd();
+ λ0 = φ0 = NaN;
+ },
+ clean: function() {
+ return 2 - clean;
+ }
+ };
+ }
+ function d3_geo_clipAntimeridianIntersect(λ0, φ0, λ1, φ1) {
+ var cosφ0, cosφ1, sinλ0_λ1 = Math.sin(λ0 - λ1);
+ return abs(sinλ0_λ1) > ε ? Math.atan((Math.sin(φ0) * (cosφ1 = Math.cos(φ1)) * Math.sin(λ1) - Math.sin(φ1) * (cosφ0 = Math.cos(φ0)) * Math.sin(λ0)) / (cosφ0 * cosφ1 * sinλ0_λ1)) : (φ0 + φ1) / 2;
+ }
+ function d3_geo_clipAntimeridianInterpolate(from, to, direction, listener) {
+ var φ;
+ if (from == null) {
+ φ = direction * halfπ;
+ listener.point(-π, φ);
+ listener.point(0, φ);
+ listener.point(π, φ);
+ listener.point(π, 0);
+ listener.point(π, -φ);
+ listener.point(0, -φ);
+ listener.point(-π, -φ);
+ listener.point(-π, 0);
+ listener.point(-π, φ);
+ } else if (abs(from[0] - to[0]) > ε) {
+ var s = from[0] < to[0] ? π : -π;
+ φ = direction * s / 2;
+ listener.point(-s, φ);
+ listener.point(0, φ);
+ listener.point(s, φ);
+ } else {
+ listener.point(to[0], to[1]);
+ }
+ }
+ function d3_geo_pointInPolygon(point, polygon) {
+ var meridian = point[0], parallel = point[1], meridianNormal = [ Math.sin(meridian), -Math.cos(meridian), 0 ], polarAngle = 0, winding = 0;
+ d3_geo_areaRingSum.reset();
+ for (var i = 0, n = polygon.length; i < n; ++i) {
+ var ring = polygon[i], m = ring.length;
+ if (!m) continue;
+ var point0 = ring[0], λ0 = point0[0], φ0 = point0[1] / 2 + π / 4, sinφ0 = Math.sin(φ0), cosφ0 = Math.cos(φ0), j = 1;
+ while (true) {
+ if (j === m) j = 0;
+ point = ring[j];
+ var λ = point[0], φ = point[1] / 2 + π / 4, sinφ = Math.sin(φ), cosφ = Math.cos(φ), dλ = λ - λ0, sdλ = dλ >= 0 ? 1 : -1, adλ = sdλ * dλ, antimeridian = adλ > π, k = sinφ0 * sinφ;
+ d3_geo_areaRingSum.add(Math.atan2(k * sdλ * Math.sin(adλ), cosφ0 * cosφ + k * Math.cos(adλ)));
+ polarAngle += antimeridian ? dλ + sdλ * τ : dλ;
+ if (antimeridian ^ λ0 >= meridian ^ λ >= meridian) {
+ var arc = d3_geo_cartesianCross(d3_geo_cartesian(point0), d3_geo_cartesian(point));
+ d3_geo_cartesianNormalize(arc);
+ var intersection = d3_geo_cartesianCross(meridianNormal, arc);
+ d3_geo_cartesianNormalize(intersection);
+ var φarc = (antimeridian ^ dλ >= 0 ? -1 : 1) * d3_asin(intersection[2]);
+ if (parallel > φarc || parallel === φarc && (arc[0] || arc[1])) {
+ winding += antimeridian ^ dλ >= 0 ? 1 : -1;
+ }
+ }
+ if (!j++) break;
+ λ0 = λ, sinφ0 = sinφ, cosφ0 = cosφ, point0 = point;
+ }
+ }
+ return (polarAngle < -ε || polarAngle < ε && d3_geo_areaRingSum < 0) ^ winding & 1;
+ }
+ function d3_geo_clipCircle(radius) {
+ var cr = Math.cos(radius), smallRadius = cr > 0, notHemisphere = abs(cr) > ε, interpolate = d3_geo_circleInterpolate(radius, 6 * d3_radians);
+ return d3_geo_clip(visible, clipLine, interpolate, smallRadius ? [ 0, -radius ] : [ -π, radius - π ]);
+ function visible(λ, φ) {
+ return Math.cos(λ) * Math.cos(φ) > cr;
+ }
+ function clipLine(listener) {
+ var point0, c0, v0, v00, clean;
+ return {
+ lineStart: function() {
+ v00 = v0 = false;
+ clean = 1;
+ },
+ point: function(λ, φ) {
+ var point1 = [ λ, φ ], point2, v = visible(λ, φ), c = smallRadius ? v ? 0 : code(λ, φ) : v ? code(λ + (λ < 0 ? π : -π), φ) : 0;
+ if (!point0 && (v00 = v0 = v)) listener.lineStart();
+ if (v !== v0) {
+ point2 = intersect(point0, point1);
+ if (d3_geo_sphericalEqual(point0, point2) || d3_geo_sphericalEqual(point1, point2)) {
+ point1[0] += ε;
+ point1[1] += ε;
+ v = visible(point1[0], point1[1]);
+ }
+ }
+ if (v !== v0) {
+ clean = 0;
+ if (v) {
+ listener.lineStart();
+ point2 = intersect(point1, point0);
+ listener.point(point2[0], point2[1]);
+ } else {
+ point2 = intersect(point0, point1);
+ listener.point(point2[0], point2[1]);
+ listener.lineEnd();
+ }
+ point0 = point2;
+ } else if (notHemisphere && point0 && smallRadius ^ v) {
+ var t;
+ if (!(c & c0) && (t = intersect(point1, point0, true))) {
+ clean = 0;
+ if (smallRadius) {
+ listener.lineStart();
+ listener.point(t[0][0], t[0][1]);
+ listener.point(t[1][0], t[1][1]);
+ listener.lineEnd();
+ } else {
+ listener.point(t[1][0], t[1][1]);
+ listener.lineEnd();
+ listener.lineStart();
+ listener.point(t[0][0], t[0][1]);
+ }
+ }
+ }
+ if (v && (!point0 || !d3_geo_sphericalEqual(point0, point1))) {
+ listener.point(point1[0], point1[1]);
+ }
+ point0 = point1, v0 = v, c0 = c;
+ },
+ lineEnd: function() {
+ if (v0) listener.lineEnd();
+ point0 = null;
+ },
+ clean: function() {
+ return clean | (v00 && v0) << 1;
+ }
+ };
+ }
+ function intersect(a, b, two) {
+ var pa = d3_geo_cartesian(a), pb = d3_geo_cartesian(b);
+ var n1 = [ 1, 0, 0 ], n2 = d3_geo_cartesianCross(pa, pb), n2n2 = d3_geo_cartesianDot(n2, n2), n1n2 = n2[0], determinant = n2n2 - n1n2 * n1n2;
+ if (!determinant) return !two && a;
+ var c1 = cr * n2n2 / determinant, c2 = -cr * n1n2 / determinant, n1xn2 = d3_geo_cartesianCross(n1, n2), A = d3_geo_cartesianScale(n1, c1), B = d3_geo_cartesianScale(n2, c2);
+ d3_geo_cartesianAdd(A, B);
+ var u = n1xn2, w = d3_geo_cartesianDot(A, u), uu = d3_geo_cartesianDot(u, u), t2 = w * w - uu * (d3_geo_cartesianDot(A, A) - 1);
+ if (t2 < 0) return;
+ var t = Math.sqrt(t2), q = d3_geo_cartesianScale(u, (-w - t) / uu);
+ d3_geo_cartesianAdd(q, A);
+ q = d3_geo_spherical(q);
+ if (!two) return q;
+ var λ0 = a[0], λ1 = b[0], φ0 = a[1], φ1 = b[1], z;
+ if (λ1 < λ0) z = λ0, λ0 = λ1, λ1 = z;
+ var δλ = λ1 - λ0, polar = abs(δλ - π) < ε, meridian = polar || δλ < ε;
+ if (!polar && φ1 < φ0) z = φ0, φ0 = φ1, φ1 = z;
+ if (meridian ? polar ? φ0 + φ1 > 0 ^ q[1] < (abs(q[0] - λ0) < ε ? φ0 : φ1) : φ0 <= q[1] && q[1] <= φ1 : δλ > π ^ (λ0 <= q[0] && q[0] <= λ1)) {
+ var q1 = d3_geo_cartesianScale(u, (-w + t) / uu);
+ d3_geo_cartesianAdd(q1, A);
+ return [ q, d3_geo_spherical(q1) ];
+ }
+ }
+ function code(λ, φ) {
+ var r = smallRadius ? radius : π - radius, code = 0;
+ if (λ < -r) code |= 1; else if (λ > r) code |= 2;
+ if (φ < -r) code |= 4; else if (φ > r) code |= 8;
+ return code;
+ }
+ }
+ function d3_geom_clipLine(x0, y0, x1, y1) {
+ return function(line) {
+ var a = line.a, b = line.b, ax = a.x, ay = a.y, bx = b.x, by = b.y, t0 = 0, t1 = 1, dx = bx - ax, dy = by - ay, r;
+ r = x0 - ax;
+ if (!dx && r > 0) return;
+ r /= dx;
+ if (dx < 0) {
+ if (r < t0) return;
+ if (r < t1) t1 = r;
+ } else if (dx > 0) {
+ if (r > t1) return;
+ if (r > t0) t0 = r;
+ }
+ r = x1 - ax;
+ if (!dx && r < 0) return;
+ r /= dx;
+ if (dx < 0) {
+ if (r > t1) return;
+ if (r > t0) t0 = r;
+ } else if (dx > 0) {
+ if (r < t0) return;
+ if (r < t1) t1 = r;
+ }
+ r = y0 - ay;
+ if (!dy && r > 0) return;
+ r /= dy;
+ if (dy < 0) {
+ if (r < t0) return;
+ if (r < t1) t1 = r;
+ } else if (dy > 0) {
+ if (r > t1) return;
+ if (r > t0) t0 = r;
+ }
+ r = y1 - ay;
+ if (!dy && r < 0) return;
+ r /= dy;
+ if (dy < 0) {
+ if (r > t1) return;
+ if (r > t0) t0 = r;
+ } else if (dy > 0) {
+ if (r < t0) return;
+ if (r < t1) t1 = r;
+ }
+ if (t0 > 0) line.a = {
+ x: ax + t0 * dx,
+ y: ay + t0 * dy
+ };
+ if (t1 < 1) line.b = {
+ x: ax + t1 * dx,
+ y: ay + t1 * dy
+ };
+ return line;
+ };
+ }
+ var d3_geo_clipExtentMAX = 1e9;
+ d3.geo.clipExtent = function() {
+ var x0, y0, x1, y1, stream, clip, clipExtent = {
+ stream: function(output) {
+ if (stream) stream.valid = false;
+ stream = clip(output);
+ stream.valid = true;
+ return stream;
+ },
+ extent: function(_) {
+ if (!arguments.length) return [ [ x0, y0 ], [ x1, y1 ] ];
+ clip = d3_geo_clipExtent(x0 = +_[0][0], y0 = +_[0][1], x1 = +_[1][0], y1 = +_[1][1]);
+ if (stream) stream.valid = false, stream = null;
+ return clipExtent;
+ }
+ };
+ return clipExtent.extent([ [ 0, 0 ], [ 960, 500 ] ]);
+ };
+ function d3_geo_clipExtent(x0, y0, x1, y1) {
+ return function(listener) {
+ var listener_ = listener, bufferListener = d3_geo_clipBufferListener(), clipLine = d3_geom_clipLine(x0, y0, x1, y1), segments, polygon, ring;
+ var clip = {
+ point: point,
+ lineStart: lineStart,
+ lineEnd: lineEnd,
+ polygonStart: function() {
+ listener = bufferListener;
+ segments = [];
+ polygon = [];
+ clean = true;
+ },
+ polygonEnd: function() {
+ listener = listener_;
+ segments = d3.merge(segments);
+ var clipStartInside = insidePolygon([ x0, y1 ]), inside = clean && clipStartInside, visible = segments.length;
+ if (inside || visible) {
+ listener.polygonStart();
+ if (inside) {
+ listener.lineStart();
+ interpolate(null, null, 1, listener);
+ listener.lineEnd();
+ }
+ if (visible) {
+ d3_geo_clipPolygon(segments, compare, clipStartInside, interpolate, listener);
+ }
+ listener.polygonEnd();
+ }
+ segments = polygon = ring = null;
+ }
+ };
+ function insidePolygon(p) {
+ var wn = 0, n = polygon.length, y = p[1];
+ for (var i = 0; i < n; ++i) {
+ for (var j = 1, v = polygon[i], m = v.length, a = v[0], b; j < m; ++j) {
+ b = v[j];
+ if (a[1] <= y) {
+ if (b[1] > y && d3_cross2d(a, b, p) > 0) ++wn;
+ } else {
+ if (b[1] <= y && d3_cross2d(a, b, p) < 0) --wn;
+ }
+ a = b;
+ }
+ }
+ return wn !== 0;
+ }
+ function interpolate(from, to, direction, listener) {
+ var a = 0, a1 = 0;
+ if (from == null || (a = corner(from, direction)) !== (a1 = corner(to, direction)) || comparePoints(from, to) < 0 ^ direction > 0) {
+ do {
+ listener.point(a === 0 || a === 3 ? x0 : x1, a > 1 ? y1 : y0);
+ } while ((a = (a + direction + 4) % 4) !== a1);
+ } else {
+ listener.point(to[0], to[1]);
+ }
+ }
+ function pointVisible(x, y) {
+ return x0 <= x && x <= x1 && y0 <= y && y <= y1;
+ }
+ function point(x, y) {
+ if (pointVisible(x, y)) listener.point(x, y);
+ }
+ var x__, y__, v__, x_, y_, v_, first, clean;
+ function lineStart() {
+ clip.point = linePoint;
+ if (polygon) polygon.push(ring = []);
+ first = true;
+ v_ = false;
+ x_ = y_ = NaN;
+ }
+ function lineEnd() {
+ if (segments) {
+ linePoint(x__, y__);
+ if (v__ && v_) bufferListener.rejoin();
+ segments.push(bufferListener.buffer());
+ }
+ clip.point = point;
+ if (v_) listener.lineEnd();
+ }
+ function linePoint(x, y) {
+ x = Math.max(-d3_geo_clipExtentMAX, Math.min(d3_geo_clipExtentMAX, x));
+ y = Math.max(-d3_geo_clipExtentMAX, Math.min(d3_geo_clipExtentMAX, y));
+ var v = pointVisible(x, y);
+ if (polygon) ring.push([ x, y ]);
+ if (first) {
+ x__ = x, y__ = y, v__ = v;
+ first = false;
+ if (v) {
+ listener.lineStart();
+ listener.point(x, y);
+ }
+ } else {
+ if (v && v_) listener.point(x, y); else {
+ var l = {
+ a: {
+ x: x_,
+ y: y_
+ },
+ b: {
+ x: x,
+ y: y
+ }
+ };
+ if (clipLine(l)) {
+ if (!v_) {
+ listener.lineStart();
+ listener.point(l.a.x, l.a.y);
+ }
+ listener.point(l.b.x, l.b.y);
+ if (!v) listener.lineEnd();
+ clean = false;
+ } else if (v) {
+ listener.lineStart();
+ listener.point(x, y);
+ clean = false;
+ }
+ }
+ }
+ x_ = x, y_ = y, v_ = v;
+ }
+ return clip;
+ };
+ function corner(p, direction) {
+ return abs(p[0] - x0) < ε ? direction > 0 ? 0 : 3 : abs(p[0] - x1) < ε ? direction > 0 ? 2 : 1 : abs(p[1] - y0) < ε ? direction > 0 ? 1 : 0 : direction > 0 ? 3 : 2;
+ }
+ function compare(a, b) {
+ return comparePoints(a.x, b.x);
+ }
+ function comparePoints(a, b) {
+ var ca = corner(a, 1), cb = corner(b, 1);
+ return ca !== cb ? ca - cb : ca === 0 ? b[1] - a[1] : ca === 1 ? a[0] - b[0] : ca === 2 ? a[1] - b[1] : b[0] - a[0];
+ }
+ }
+ function d3_geo_conic(projectAt) {
+ var φ0 = 0, φ1 = π / 3, m = d3_geo_projectionMutator(projectAt), p = m(φ0, φ1);
+ p.parallels = function(_) {
+ if (!arguments.length) return [ φ0 / π * 180, φ1 / π * 180 ];
+ return m(φ0 = _[0] * π / 180, φ1 = _[1] * π / 180);
+ };
+ return p;
+ }
+ function d3_geo_conicEqualArea(φ0, φ1) {
+ var sinφ0 = Math.sin(φ0), n = (sinφ0 + Math.sin(φ1)) / 2, C = 1 + sinφ0 * (2 * n - sinφ0), ρ0 = Math.sqrt(C) / n;
+ function forward(λ, φ) {
+ var ρ = Math.sqrt(C - 2 * n * Math.sin(φ)) / n;
+ return [ ρ * Math.sin(λ *= n), ρ0 - ρ * Math.cos(λ) ];
+ }
+ forward.invert = function(x, y) {
+ var ρ0_y = ρ0 - y;
+ return [ Math.atan2(x, ρ0_y) / n, d3_asin((C - (x * x + ρ0_y * ρ0_y) * n * n) / (2 * n)) ];
+ };
+ return forward;
+ }
+ (d3.geo.conicEqualArea = function() {
+ return d3_geo_conic(d3_geo_conicEqualArea);
+ }).raw = d3_geo_conicEqualArea;
+ d3.geo.albers = function() {
+ return d3.geo.conicEqualArea().rotate([ 96, 0 ]).center([ -.6, 38.7 ]).parallels([ 29.5, 45.5 ]).scale(1070);
+ };
+ d3.geo.albersUsa = function() {
+ var lower48 = d3.geo.albers();
+ var alaska = d3.geo.conicEqualArea().rotate([ 154, 0 ]).center([ -2, 58.5 ]).parallels([ 55, 65 ]);
+ var hawaii = d3.geo.conicEqualArea().rotate([ 157, 0 ]).center([ -3, 19.9 ]).parallels([ 8, 18 ]);
+ var point, pointStream = {
+ point: function(x, y) {
+ point = [ x, y ];
+ }
+ }, lower48Point, alaskaPoint, hawaiiPoint;
+ function albersUsa(coordinates) {
+ var x = coordinates[0], y = coordinates[1];
+ point = null;
+ (lower48Point(x, y), point) || (alaskaPoint(x, y), point) || hawaiiPoint(x, y);
+ return point;
+ }
+ albersUsa.invert = function(coordinates) {
+ var k = lower48.scale(), t = lower48.translate(), x = (coordinates[0] - t[0]) / k, y = (coordinates[1] - t[1]) / k;
+ return (y >= .12 && y < .234 && x >= -.425 && x < -.214 ? alaska : y >= .166 && y < .234 && x >= -.214 && x < -.115 ? hawaii : lower48).invert(coordinates);
+ };
+ albersUsa.stream = function(stream) {
+ var lower48Stream = lower48.stream(stream), alaskaStream = alaska.stream(stream), hawaiiStream = hawaii.stream(stream);
+ return {
+ point: function(x, y) {
+ lower48Stream.point(x, y);
+ alaskaStream.point(x, y);
+ hawaiiStream.point(x, y);
+ },
+ sphere: function() {
+ lower48Stream.sphere();
+ alaskaStream.sphere();
+ hawaiiStream.sphere();
+ },
+ lineStart: function() {
+ lower48Stream.lineStart();
+ alaskaStream.lineStart();
+ hawaiiStream.lineStart();
+ },
+ lineEnd: function() {
+ lower48Stream.lineEnd();
+ alaskaStream.lineEnd();
+ hawaiiStream.lineEnd();
+ },
+ polygonStart: function() {
+ lower48Stream.polygonStart();
+ alaskaStream.polygonStart();
+ hawaiiStream.polygonStart();
+ },
+ polygonEnd: function() {
+ lower48Stream.polygonEnd();
+ alaskaStream.polygonEnd();
+ hawaiiStream.polygonEnd();
+ }
+ };
+ };
+ albersUsa.precision = function(_) {
+ if (!arguments.length) return lower48.precision();
+ lower48.precision(_);
+ alaska.precision(_);
+ hawaii.precision(_);
+ return albersUsa;
+ };
+ albersUsa.scale = function(_) {
+ if (!arguments.length) return lower48.scale();
+ lower48.scale(_);
+ alaska.scale(_ * .35);
+ hawaii.scale(_);
+ return albersUsa.translate(lower48.translate());
+ };
+ albersUsa.translate = function(_) {
+ if (!arguments.length) return lower48.translate();
+ var k = lower48.scale(), x = +_[0], y = +_[1];
+ lower48Point = lower48.translate(_).clipExtent([ [ x - .455 * k, y - .238 * k ], [ x + .455 * k, y + .238 * k ] ]).stream(pointStream).point;
+ alaskaPoint = alaska.translate([ x - .307 * k, y + .201 * k ]).clipExtent([ [ x - .425 * k + ε, y + .12 * k + ε ], [ x - .214 * k - ε, y + .234 * k - ε ] ]).stream(pointStream).point;
+ hawaiiPoint = hawaii.translate([ x - .205 * k, y + .212 * k ]).clipExtent([ [ x - .214 * k + ε, y + .166 * k + ε ], [ x - .115 * k - ε, y + .234 * k - ε ] ]).stream(pointStream).point;
+ return albersUsa;
+ };
+ return albersUsa.scale(1070);
+ };
+ var d3_geo_pathAreaSum, d3_geo_pathAreaPolygon, d3_geo_pathArea = {
+ point: d3_noop,
+ lineStart: d3_noop,
+ lineEnd: d3_noop,
+ polygonStart: function() {
+ d3_geo_pathAreaPolygon = 0;
+ d3_geo_pathArea.lineStart = d3_geo_pathAreaRingStart;
+ },
+ polygonEnd: function() {
+ d3_geo_pathArea.lineStart = d3_geo_pathArea.lineEnd = d3_geo_pathArea.point = d3_noop;
+ d3_geo_pathAreaSum += abs(d3_geo_pathAreaPolygon / 2);
+ }
+ };
+ function d3_geo_pathAreaRingStart() {
+ var x00, y00, x0, y0;
+ d3_geo_pathArea.point = function(x, y) {
+ d3_geo_pathArea.point = nextPoint;
+ x00 = x0 = x, y00 = y0 = y;
+ };
+ function nextPoint(x, y) {
+ d3_geo_pathAreaPolygon += y0 * x - x0 * y;
+ x0 = x, y0 = y;
+ }
+ d3_geo_pathArea.lineEnd = function() {
+ nextPoint(x00, y00);
+ };
+ }
+ var d3_geo_pathBoundsX0, d3_geo_pathBoundsY0, d3_geo_pathBoundsX1, d3_geo_pathBoundsY1;
+ var d3_geo_pathBounds = {
+ point: d3_geo_pathBoundsPoint,
+ lineStart: d3_noop,
+ lineEnd: d3_noop,
+ polygonStart: d3_noop,
+ polygonEnd: d3_noop
+ };
+ function d3_geo_pathBoundsPoint(x, y) {
+ if (x < d3_geo_pathBoundsX0) d3_geo_pathBoundsX0 = x;
+ if (x > d3_geo_pathBoundsX1) d3_geo_pathBoundsX1 = x;
+ if (y < d3_geo_pathBoundsY0) d3_geo_pathBoundsY0 = y;
+ if (y > d3_geo_pathBoundsY1) d3_geo_pathBoundsY1 = y;
+ }
+ function d3_geo_pathBuffer() {
+ var pointCircle = d3_geo_pathBufferCircle(4.5), buffer = [];
+ var stream = {
+ point: point,
+ lineStart: function() {
+ stream.point = pointLineStart;
+ },
+ lineEnd: lineEnd,
+ polygonStart: function() {
+ stream.lineEnd = lineEndPolygon;
+ },
+ polygonEnd: function() {
+ stream.lineEnd = lineEnd;
+ stream.point = point;
+ },
+ pointRadius: function(_) {
+ pointCircle = d3_geo_pathBufferCircle(_);
+ return stream;
+ },
+ result: function() {
+ if (buffer.length) {
+ var result = buffer.join("");
+ buffer = [];
+ return result;
+ }
+ }
+ };
+ function point(x, y) {
+ buffer.push("M", x, ",", y, pointCircle);
+ }
+ function pointLineStart(x, y) {
+ buffer.push("M", x, ",", y);
+ stream.point = pointLine;
+ }
+ function pointLine(x, y) {
+ buffer.push("L", x, ",", y);
+ }
+ function lineEnd() {
+ stream.point = point;
+ }
+ function lineEndPolygon() {
+ buffer.push("Z");
+ }
+ return stream;
+ }
+ function d3_geo_pathBufferCircle(radius) {
+ return "m0," + radius + "a" + radius + "," + radius + " 0 1,1 0," + -2 * radius + "a" + radius + "," + radius + " 0 1,1 0," + 2 * radius + "z";
+ }
+ var d3_geo_pathCentroid = {
+ point: d3_geo_pathCentroidPoint,
+ lineStart: d3_geo_pathCentroidLineStart,
+ lineEnd: d3_geo_pathCentroidLineEnd,
+ polygonStart: function() {
+ d3_geo_pathCentroid.lineStart = d3_geo_pathCentroidRingStart;
+ },
+ polygonEnd: function() {
+ d3_geo_pathCentroid.point = d3_geo_pathCentroidPoint;
+ d3_geo_pathCentroid.lineStart = d3_geo_pathCentroidLineStart;
+ d3_geo_pathCentroid.lineEnd = d3_geo_pathCentroidLineEnd;
+ }
+ };
+ function d3_geo_pathCentroidPoint(x, y) {
+ d3_geo_centroidX0 += x;
+ d3_geo_centroidY0 += y;
+ ++d3_geo_centroidZ0;
+ }
+ function d3_geo_pathCentroidLineStart() {
+ var x0, y0;
+ d3_geo_pathCentroid.point = function(x, y) {
+ d3_geo_pathCentroid.point = nextPoint;
+ d3_geo_pathCentroidPoint(x0 = x, y0 = y);
+ };
+ function nextPoint(x, y) {
+ var dx = x - x0, dy = y - y0, z = Math.sqrt(dx * dx + dy * dy);
+ d3_geo_centroidX1 += z * (x0 + x) / 2;
+ d3_geo_centroidY1 += z * (y0 + y) / 2;
+ d3_geo_centroidZ1 += z;
+ d3_geo_pathCentroidPoint(x0 = x, y0 = y);
+ }
+ }
+ function d3_geo_pathCentroidLineEnd() {
+ d3_geo_pathCentroid.point = d3_geo_pathCentroidPoint;
+ }
+ function d3_geo_pathCentroidRingStart() {
+ var x00, y00, x0, y0;
+ d3_geo_pathCentroid.point = function(x, y) {
+ d3_geo_pathCentroid.point = nextPoint;
+ d3_geo_pathCentroidPoint(x00 = x0 = x, y00 = y0 = y);
+ };
+ function nextPoint(x, y) {
+ var dx = x - x0, dy = y - y0, z = Math.sqrt(dx * dx + dy * dy);
+ d3_geo_centroidX1 += z * (x0 + x) / 2;
+ d3_geo_centroidY1 += z * (y0 + y) / 2;
+ d3_geo_centroidZ1 += z;
+ z = y0 * x - x0 * y;
+ d3_geo_centroidX2 += z * (x0 + x);
+ d3_geo_centroidY2 += z * (y0 + y);
+ d3_geo_centroidZ2 += z * 3;
+ d3_geo_pathCentroidPoint(x0 = x, y0 = y);
+ }
+ d3_geo_pathCentroid.lineEnd = function() {
+ nextPoint(x00, y00);
+ };
+ }
+ function d3_geo_pathContext(context) {
+ var pointRadius = 4.5;
+ var stream = {
+ point: point,
+ lineStart: function() {
+ stream.point = pointLineStart;
+ },
+ lineEnd: lineEnd,
+ polygonStart: function() {
+ stream.lineEnd = lineEndPolygon;
+ },
+ polygonEnd: function() {
+ stream.lineEnd = lineEnd;
+ stream.point = point;
+ },
+ pointRadius: function(_) {
+ pointRadius = _;
+ return stream;
+ },
+ result: d3_noop
+ };
+ function point(x, y) {
+ context.moveTo(x + pointRadius, y);
+ context.arc(x, y, pointRadius, 0, τ);
+ }
+ function pointLineStart(x, y) {
+ context.moveTo(x, y);
+ stream.point = pointLine;
+ }
+ function pointLine(x, y) {
+ context.lineTo(x, y);
+ }
+ function lineEnd() {
+ stream.point = point;
+ }
+ function lineEndPolygon() {
+ context.closePath();
+ }
+ return stream;
+ }
+ function d3_geo_resample(project) {
+ var δ2 = .5, cosMinDistance = Math.cos(30 * d3_radians), maxDepth = 16;
+ function resample(stream) {
+ return (maxDepth ? resampleRecursive : resampleNone)(stream);
+ }
+ function resampleNone(stream) {
+ return d3_geo_transformPoint(stream, function(x, y) {
+ x = project(x, y);
+ stream.point(x[0], x[1]);
+ });
+ }
+ function resampleRecursive(stream) {
+ var λ00, φ00, x00, y00, a00, b00, c00, λ0, x0, y0, a0, b0, c0;
+ var resample = {
+ point: point,
+ lineStart: lineStart,
+ lineEnd: lineEnd,
+ polygonStart: function() {
+ stream.polygonStart();
+ resample.lineStart = ringStart;
+ },
+ polygonEnd: function() {
+ stream.polygonEnd();
+ resample.lineStart = lineStart;
+ }
+ };
+ function point(x, y) {
+ x = project(x, y);
+ stream.point(x[0], x[1]);
+ }
+ function lineStart() {
+ x0 = NaN;
+ resample.point = linePoint;
+ stream.lineStart();
+ }
+ function linePoint(λ, φ) {
+ var c = d3_geo_cartesian([ λ, φ ]), p = project(λ, φ);
+ resampleLineTo(x0, y0, λ0, a0, b0, c0, x0 = p[0], y0 = p[1], λ0 = λ, a0 = c[0], b0 = c[1], c0 = c[2], maxDepth, stream);
+ stream.point(x0, y0);
+ }
+ function lineEnd() {
+ resample.point = point;
+ stream.lineEnd();
+ }
+ function ringStart() {
+ lineStart();
+ resample.point = ringPoint;
+ resample.lineEnd = ringEnd;
+ }
+ function ringPoint(λ, φ) {
+ linePoint(λ00 = λ, φ00 = φ), x00 = x0, y00 = y0, a00 = a0, b00 = b0, c00 = c0;
+ resample.point = linePoint;
+ }
+ function ringEnd() {
+ resampleLineTo(x0, y0, λ0, a0, b0, c0, x00, y00, λ00, a00, b00, c00, maxDepth, stream);
+ resample.lineEnd = lineEnd;
+ lineEnd();
+ }
+ return resample;
+ }
+ function resampleLineTo(x0, y0, λ0, a0, b0, c0, x1, y1, λ1, a1, b1, c1, depth, stream) {
+ var dx = x1 - x0, dy = y1 - y0, d2 = dx * dx + dy * dy;
+ if (d2 > 4 * δ2 && depth--) {
+ var a = a0 + a1, b = b0 + b1, c = c0 + c1, m = Math.sqrt(a * a + b * b + c * c), φ2 = Math.asin(c /= m), λ2 = abs(abs(c) - 1) < ε || abs(λ0 - λ1) < ε ? (λ0 + λ1) / 2 : Math.atan2(b, a), p = project(λ2, φ2), x2 = p[0], y2 = p[1], dx2 = x2 - x0, dy2 = y2 - y0, dz = dy * dx2 - dx * dy2;
+ if (dz * dz / d2 > δ2 || abs((dx * dx2 + dy * dy2) / d2 - .5) > .3 || a0 * a1 + b0 * b1 + c0 * c1 < cosMinDistance) {
+ resampleLineTo(x0, y0, λ0, a0, b0, c0, x2, y2, λ2, a /= m, b /= m, c, depth, stream);
+ stream.point(x2, y2);
+ resampleLineTo(x2, y2, λ2, a, b, c, x1, y1, λ1, a1, b1, c1, depth, stream);
+ }
+ }
+ }
+ resample.precision = function(_) {
+ if (!arguments.length) return Math.sqrt(δ2);
+ maxDepth = (δ2 = _ * _) > 0 && 16;
+ return resample;
+ };
+ return resample;
+ }
+ d3.geo.path = function() {
+ var pointRadius = 4.5, projection, context, projectStream, contextStream, cacheStream;
+ function path(object) {
+ if (object) {
+ if (typeof pointRadius === "function") contextStream.pointRadius(+pointRadius.apply(this, arguments));
+ if (!cacheStream || !cacheStream.valid) cacheStream = projectStream(contextStream);
+ d3.geo.stream(object, cacheStream);
+ }
+ return contextStream.result();
+ }
+ path.area = function(object) {
+ d3_geo_pathAreaSum = 0;
+ d3.geo.stream(object, projectStream(d3_geo_pathArea));
+ return d3_geo_pathAreaSum;
+ };
+ path.centroid = function(object) {
+ d3_geo_centroidX0 = d3_geo_centroidY0 = d3_geo_centroidZ0 = d3_geo_centroidX1 = d3_geo_centroidY1 = d3_geo_centroidZ1 = d3_geo_centroidX2 = d3_geo_centroidY2 = d3_geo_centroidZ2 = 0;
+ d3.geo.stream(object, projectStream(d3_geo_pathCentroid));
+ return d3_geo_centroidZ2 ? [ d3_geo_centroidX2 / d3_geo_centroidZ2, d3_geo_centroidY2 / d3_geo_centroidZ2 ] : d3_geo_centroidZ1 ? [ d3_geo_centroidX1 / d3_geo_centroidZ1, d3_geo_centroidY1 / d3_geo_centroidZ1 ] : d3_geo_centroidZ0 ? [ d3_geo_centroidX0 / d3_geo_centroidZ0, d3_geo_centroidY0 / d3_geo_centroidZ0 ] : [ NaN, NaN ];
+ };
+ path.bounds = function(object) {
+ d3_geo_pathBoundsX1 = d3_geo_pathBoundsY1 = -(d3_geo_pathBoundsX0 = d3_geo_pathBoundsY0 = Infinity);
+ d3.geo.stream(object, projectStream(d3_geo_pathBounds));
+ return [ [ d3_geo_pathBoundsX0, d3_geo_pathBoundsY0 ], [ d3_geo_pathBoundsX1, d3_geo_pathBoundsY1 ] ];
+ };
+ path.projection = function(_) {
+ if (!arguments.length) return projection;
+ projectStream = (projection = _) ? _.stream || d3_geo_pathProjectStream(_) : d3_identity;
+ return reset();
+ };
+ path.context = function(_) {
+ if (!arguments.length) return context;
+ contextStream = (context = _) == null ? new d3_geo_pathBuffer() : new d3_geo_pathContext(_);
+ if (typeof pointRadius !== "function") contextStream.pointRadius(pointRadius);
+ return reset();
+ };
+ path.pointRadius = function(_) {
+ if (!arguments.length) return pointRadius;
+ pointRadius = typeof _ === "function" ? _ : (contextStream.pointRadius(+_), +_);
+ return path;
+ };
+ function reset() {
+ cacheStream = null;
+ return path;
+ }
+ return path.projection(d3.geo.albersUsa()).context(null);
+ };
+ function d3_geo_pathProjectStream(project) {
+ var resample = d3_geo_resample(function(x, y) {
+ return project([ x * d3_degrees, y * d3_degrees ]);
+ });
+ return function(stream) {
+ return d3_geo_projectionRadians(resample(stream));
+ };
+ }
+ d3.geo.transform = function(methods) {
+ return {
+ stream: function(stream) {
+ var transform = new d3_geo_transform(stream);
+ for (var k in methods) transform[k] = methods[k];
+ return transform;
+ }
+ };
+ };
+ function d3_geo_transform(stream) {
+ this.stream = stream;
+ }
+ d3_geo_transform.prototype = {
+ point: function(x, y) {
+ this.stream.point(x, y);
+ },
+ sphere: function() {
+ this.stream.sphere();
+ },
+ lineStart: function() {
+ this.stream.lineStart();
+ },
+ lineEnd: function() {
+ this.stream.lineEnd();
+ },
+ polygonStart: function() {
+ this.stream.polygonStart();
+ },
+ polygonEnd: function() {
+ this.stream.polygonEnd();
+ }
+ };
+ function d3_geo_transformPoint(stream, point) {
+ return {
+ point: point,
+ sphere: function() {
+ stream.sphere();
+ },
+ lineStart: function() {
+ stream.lineStart();
+ },
+ lineEnd: function() {
+ stream.lineEnd();
+ },
+ polygonStart: function() {
+ stream.polygonStart();
+ },
+ polygonEnd: function() {
+ stream.polygonEnd();
+ }
+ };
+ }
+ d3.geo.projection = d3_geo_projection;
+ d3.geo.projectionMutator = d3_geo_projectionMutator;
+ function d3_geo_projection(project) {
+ return d3_geo_projectionMutator(function() {
+ return project;
+ })();
+ }
+ function d3_geo_projectionMutator(projectAt) {
+ var project, rotate, projectRotate, projectResample = d3_geo_resample(function(x, y) {
+ x = project(x, y);
+ return [ x[0] * k + δx, δy - x[1] * k ];
+ }), k = 150, x = 480, y = 250, λ = 0, φ = 0, δλ = 0, δφ = 0, δγ = 0, δx, δy, preclip = d3_geo_clipAntimeridian, postclip = d3_identity, clipAngle = null, clipExtent = null, stream;
+ function projection(point) {
+ point = projectRotate(point[0] * d3_radians, point[1] * d3_radians);
+ return [ point[0] * k + δx, δy - point[1] * k ];
+ }
+ function invert(point) {
+ point = projectRotate.invert((point[0] - δx) / k, (δy - point[1]) / k);
+ return point && [ point[0] * d3_degrees, point[1] * d3_degrees ];
+ }
+ projection.stream = function(output) {
+ if (stream) stream.valid = false;
+ stream = d3_geo_projectionRadians(preclip(rotate, projectResample(postclip(output))));
+ stream.valid = true;
+ return stream;
+ };
+ projection.clipAngle = function(_) {
+ if (!arguments.length) return clipAngle;
+ preclip = _ == null ? (clipAngle = _, d3_geo_clipAntimeridian) : d3_geo_clipCircle((clipAngle = +_) * d3_radians);
+ return invalidate();
+ };
+ projection.clipExtent = function(_) {
+ if (!arguments.length) return clipExtent;
+ clipExtent = _;
+ postclip = _ ? d3_geo_clipExtent(_[0][0], _[0][1], _[1][0], _[1][1]) : d3_identity;
+ return invalidate();
+ };
+ projection.scale = function(_) {
+ if (!arguments.length) return k;
+ k = +_;
+ return reset();
+ };
+ projection.translate = function(_) {
+ if (!arguments.length) return [ x, y ];
+ x = +_[0];
+ y = +_[1];
+ return reset();
+ };
+ projection.center = function(_) {
+ if (!arguments.length) return [ λ * d3_degrees, φ * d3_degrees ];
+ λ = _[0] % 360 * d3_radians;
+ φ = _[1] % 360 * d3_radians;
+ return reset();
+ };
+ projection.rotate = function(_) {
+ if (!arguments.length) return [ δλ * d3_degrees, δφ * d3_degrees, δγ * d3_degrees ];
+ δλ = _[0] % 360 * d3_radians;
+ δφ = _[1] % 360 * d3_radians;
+ δγ = _.length > 2 ? _[2] % 360 * d3_radians : 0;
+ return reset();
+ };
+ d3.rebind(projection, projectResample, "precision");
+ function reset() {
+ projectRotate = d3_geo_compose(rotate = d3_geo_rotation(δλ, δφ, δγ), project);
+ var center = project(λ, φ);
+ δx = x - center[0] * k;
+ δy = y + center[1] * k;
+ return invalidate();
+ }
+ function invalidate() {
+ if (stream) stream.valid = false, stream = null;
+ return projection;
+ }
+ return function() {
+ project = projectAt.apply(this, arguments);
+ projection.invert = project.invert && invert;
+ return reset();
+ };
+ }
+ function d3_geo_projectionRadians(stream) {
+ return d3_geo_transformPoint(stream, function(x, y) {
+ stream.point(x * d3_radians, y * d3_radians);
+ });
+ }
+ function d3_geo_equirectangular(λ, φ) {
+ return [ λ, φ ];
+ }
+ (d3.geo.equirectangular = function() {
+ return d3_geo_projection(d3_geo_equirectangular);
+ }).raw = d3_geo_equirectangular.invert = d3_geo_equirectangular;
+ d3.geo.rotation = function(rotate) {
+ rotate = d3_geo_rotation(rotate[0] % 360 * d3_radians, rotate[1] * d3_radians, rotate.length > 2 ? rotate[2] * d3_radians : 0);
+ function forward(coordinates) {
+ coordinates = rotate(coordinates[0] * d3_radians, coordinates[1] * d3_radians);
+ return coordinates[0] *= d3_degrees, coordinates[1] *= d3_degrees, coordinates;
+ }
+ forward.invert = function(coordinates) {
+ coordinates = rotate.invert(coordinates[0] * d3_radians, coordinates[1] * d3_radians);
+ return coordinates[0] *= d3_degrees, coordinates[1] *= d3_degrees, coordinates;
+ };
+ return forward;
+ };
+ function d3_geo_identityRotation(λ, φ) {
+ return [ λ > π ? λ - τ : λ < -π ? λ + τ : λ, φ ];
+ }
+ d3_geo_identityRotation.invert = d3_geo_equirectangular;
+ function d3_geo_rotation(δλ, δφ, δγ) {
+ return δλ ? δφ || δγ ? d3_geo_compose(d3_geo_rotationλ(δλ), d3_geo_rotationφγ(δφ, δγ)) : d3_geo_rotationλ(δλ) : δφ || δγ ? d3_geo_rotationφγ(δφ, δγ) : d3_geo_identityRotation;
+ }
+ function d3_geo_forwardRotationλ(δλ) {
+ return function(λ, φ) {
+ return λ += δλ, [ λ > π ? λ - τ : λ < -π ? λ + τ : λ, φ ];
+ };
+ }
+ function d3_geo_rotationλ(δλ) {
+ var rotation = d3_geo_forwardRotationλ(δλ);
+ rotation.invert = d3_geo_forwardRotationλ(-δλ);
+ return rotation;
+ }
+ function d3_geo_rotationφγ(δφ, δγ) {
+ var cosδφ = Math.cos(δφ), sinδφ = Math.sin(δφ), cosδγ = Math.cos(δγ), sinδγ = Math.sin(δγ);
+ function rotation(λ, φ) {
+ var cosφ = Math.cos(φ), x = Math.cos(λ) * cosφ, y = Math.sin(λ) * cosφ, z = Math.sin(φ), k = z * cosδφ + x * sinδφ;
+ return [ Math.atan2(y * cosδγ - k * sinδγ, x * cosδφ - z * sinδφ), d3_asin(k * cosδγ + y * sinδγ) ];
+ }
+ rotation.invert = function(λ, φ) {
+ var cosφ = Math.cos(φ), x = Math.cos(λ) * cosφ, y = Math.sin(λ) * cosφ, z = Math.sin(φ), k = z * cosδγ - y * sinδγ;
+ return [ Math.atan2(y * cosδγ + z * sinδγ, x * cosδφ + k * sinδφ), d3_asin(k * cosδφ - x * sinδφ) ];
+ };
+ return rotation;
+ }
+ d3.geo.circle = function() {
+ var origin = [ 0, 0 ], angle, precision = 6, interpolate;
+ function circle() {
+ var center = typeof origin === "function" ? origin.apply(this, arguments) : origin, rotate = d3_geo_rotation(-center[0] * d3_radians, -center[1] * d3_radians, 0).invert, ring = [];
+ interpolate(null, null, 1, {
+ point: function(x, y) {
+ ring.push(x = rotate(x, y));
+ x[0] *= d3_degrees, x[1] *= d3_degrees;
+ }
+ });
+ return {
+ type: "Polygon",
+ coordinates: [ ring ]
+ };
+ }
+ circle.origin = function(x) {
+ if (!arguments.length) return origin;
+ origin = x;
+ return circle;
+ };
+ circle.angle = function(x) {
+ if (!arguments.length) return angle;
+ interpolate = d3_geo_circleInterpolate((angle = +x) * d3_radians, precision * d3_radians);
+ return circle;
+ };
+ circle.precision = function(_) {
+ if (!arguments.length) return precision;
+ interpolate = d3_geo_circleInterpolate(angle * d3_radians, (precision = +_) * d3_radians);
+ return circle;
+ };
+ return circle.angle(90);
+ };
+ function d3_geo_circleInterpolate(radius, precision) {
+ var cr = Math.cos(radius), sr = Math.sin(radius);
+ return function(from, to, direction, listener) {
+ var step = direction * precision;
+ if (from != null) {
+ from = d3_geo_circleAngle(cr, from);
+ to = d3_geo_circleAngle(cr, to);
+ if (direction > 0 ? from < to : from > to) from += direction * τ;
+ } else {
+ from = radius + direction * τ;
+ to = radius - .5 * step;
+ }
+ for (var point, t = from; direction > 0 ? t > to : t < to; t -= step) {
+ listener.point((point = d3_geo_spherical([ cr, -sr * Math.cos(t), -sr * Math.sin(t) ]))[0], point[1]);
+ }
+ };
+ }
+ function d3_geo_circleAngle(cr, point) {
+ var a = d3_geo_cartesian(point);
+ a[0] -= cr;
+ d3_geo_cartesianNormalize(a);
+ var angle = d3_acos(-a[1]);
+ return ((-a[2] < 0 ? -angle : angle) + 2 * Math.PI - ε) % (2 * Math.PI);
+ }
+ d3.geo.distance = function(a, b) {
+ var Δλ = (b[0] - a[0]) * d3_radians, φ0 = a[1] * d3_radians, φ1 = b[1] * d3_radians, sinΔλ = Math.sin(Δλ), cosΔλ = Math.cos(Δλ), sinφ0 = Math.sin(φ0), cosφ0 = Math.cos(φ0), sinφ1 = Math.sin(φ1), cosφ1 = Math.cos(φ1), t;
+ return Math.atan2(Math.sqrt((t = cosφ1 * sinΔλ) * t + (t = cosφ0 * sinφ1 - sinφ0 * cosφ1 * cosΔλ) * t), sinφ0 * sinφ1 + cosφ0 * cosφ1 * cosΔλ);
+ };
+ d3.geo.graticule = function() {
+ var x1, x0, X1, X0, y1, y0, Y1, Y0, dx = 10, dy = dx, DX = 90, DY = 360, x, y, X, Y, precision = 2.5;
+ function graticule() {
+ return {
+ type: "MultiLineString",
+ coordinates: lines()
+ };
+ }
+ function lines() {
+ return d3.range(Math.ceil(X0 / DX) * DX, X1, DX).map(X).concat(d3.range(Math.ceil(Y0 / DY) * DY, Y1, DY).map(Y)).concat(d3.range(Math.ceil(x0 / dx) * dx, x1, dx).filter(function(x) {
+ return abs(x % DX) > ε;
+ }).map(x)).concat(d3.range(Math.ceil(y0 / dy) * dy, y1, dy).filter(function(y) {
+ return abs(y % DY) > ε;
+ }).map(y));
+ }
+ graticule.lines = function() {
+ return lines().map(function(coordinates) {
+ return {
+ type: "LineString",
+ coordinates: coordinates
+ };
+ });
+ };
+ graticule.outline = function() {
+ return {
+ type: "Polygon",
+ coordinates: [ X(X0).concat(Y(Y1).slice(1), X(X1).reverse().slice(1), Y(Y0).reverse().slice(1)) ]
+ };
+ };
+ graticule.extent = function(_) {
+ if (!arguments.length) return graticule.minorExtent();
+ return graticule.majorExtent(_).minorExtent(_);
+ };
+ graticule.majorExtent = function(_) {
+ if (!arguments.length) return [ [ X0, Y0 ], [ X1, Y1 ] ];
+ X0 = +_[0][0], X1 = +_[1][0];
+ Y0 = +_[0][1], Y1 = +_[1][1];
+ if (X0 > X1) _ = X0, X0 = X1, X1 = _;
+ if (Y0 > Y1) _ = Y0, Y0 = Y1, Y1 = _;
+ return graticule.precision(precision);
+ };
+ graticule.minorExtent = function(_) {
+ if (!arguments.length) return [ [ x0, y0 ], [ x1, y1 ] ];
+ x0 = +_[0][0], x1 = +_[1][0];
+ y0 = +_[0][1], y1 = +_[1][1];
+ if (x0 > x1) _ = x0, x0 = x1, x1 = _;
+ if (y0 > y1) _ = y0, y0 = y1, y1 = _;
+ return graticule.precision(precision);
+ };
+ graticule.step = function(_) {
+ if (!arguments.length) return graticule.minorStep();
+ return graticule.majorStep(_).minorStep(_);
+ };
+ graticule.majorStep = function(_) {
+ if (!arguments.length) return [ DX, DY ];
+ DX = +_[0], DY = +_[1];
+ return graticule;
+ };
+ graticule.minorStep = function(_) {
+ if (!arguments.length) return [ dx, dy ];
+ dx = +_[0], dy = +_[1];
+ return graticule;
+ };
+ graticule.precision = function(_) {
+ if (!arguments.length) return precision;
+ precision = +_;
+ x = d3_geo_graticuleX(y0, y1, 90);
+ y = d3_geo_graticuleY(x0, x1, precision);
+ X = d3_geo_graticuleX(Y0, Y1, 90);
+ Y = d3_geo_graticuleY(X0, X1, precision);
+ return graticule;
+ };
+ return graticule.majorExtent([ [ -180, -90 + ε ], [ 180, 90 - ε ] ]).minorExtent([ [ -180, -80 - ε ], [ 180, 80 + ε ] ]);
+ };
+ function d3_geo_graticuleX(y0, y1, dy) {
+ var y = d3.range(y0, y1 - ε, dy).concat(y1);
+ return function(x) {
+ return y.map(function(y) {
+ return [ x, y ];
+ });
+ };
+ }
+ function d3_geo_graticuleY(x0, x1, dx) {
+ var x = d3.range(x0, x1 - ε, dx).concat(x1);
+ return function(y) {
+ return x.map(function(x) {
+ return [ x, y ];
+ });
+ };
+ }
+ function d3_source(d) {
+ return d.source;
+ }
+ function d3_target(d) {
+ return d.target;
+ }
+ d3.geo.greatArc = function() {
+ var source = d3_source, source_, target = d3_target, target_;
+ function greatArc() {
+ return {
+ type: "LineString",
+ coordinates: [ source_ || source.apply(this, arguments), target_ || target.apply(this, arguments) ]
+ };
+ }
+ greatArc.distance = function() {
+ return d3.geo.distance(source_ || source.apply(this, arguments), target_ || target.apply(this, arguments));
+ };
+ greatArc.source = function(_) {
+ if (!arguments.length) return source;
+ source = _, source_ = typeof _ === "function" ? null : _;
+ return greatArc;
+ };
+ greatArc.target = function(_) {
+ if (!arguments.length) return target;
+ target = _, target_ = typeof _ === "function" ? null : _;
+ return greatArc;
+ };
+ greatArc.precision = function() {
+ return arguments.length ? greatArc : 0;
+ };
+ return greatArc;
+ };
+ d3.geo.interpolate = function(source, target) {
+ return d3_geo_interpolate(source[0] * d3_radians, source[1] * d3_radians, target[0] * d3_radians, target[1] * d3_radians);
+ };
+ function d3_geo_interpolate(x0, y0, x1, y1) {
+ var cy0 = Math.cos(y0), sy0 = Math.sin(y0), cy1 = Math.cos(y1), sy1 = Math.sin(y1), kx0 = cy0 * Math.cos(x0), ky0 = cy0 * Math.sin(x0), kx1 = cy1 * Math.cos(x1), ky1 = cy1 * Math.sin(x1), d = 2 * Math.asin(Math.sqrt(d3_haversin(y1 - y0) + cy0 * cy1 * d3_haversin(x1 - x0))), k = 1 / Math.sin(d);
+ var interpolate = d ? function(t) {
+ var B = Math.sin(t *= d) * k, A = Math.sin(d - t) * k, x = A * kx0 + B * kx1, y = A * ky0 + B * ky1, z = A * sy0 + B * sy1;
+ return [ Math.atan2(y, x) * d3_degrees, Math.atan2(z, Math.sqrt(x * x + y * y)) * d3_degrees ];
+ } : function() {
+ return [ x0 * d3_degrees, y0 * d3_degrees ];
+ };
+ interpolate.distance = d;
+ return interpolate;
+ }
+ d3.geo.length = function(object) {
+ d3_geo_lengthSum = 0;
+ d3.geo.stream(object, d3_geo_length);
+ return d3_geo_lengthSum;
+ };
+ var d3_geo_lengthSum;
+ var d3_geo_length = {
+ sphere: d3_noop,
+ point: d3_noop,
+ lineStart: d3_geo_lengthLineStart,
+ lineEnd: d3_noop,
+ polygonStart: d3_noop,
+ polygonEnd: d3_noop
+ };
+ function d3_geo_lengthLineStart() {
+ var λ0, sinφ0, cosφ0;
+ d3_geo_length.point = function(λ, φ) {
+ λ0 = λ * d3_radians, sinφ0 = Math.sin(φ *= d3_radians), cosφ0 = Math.cos(φ);
+ d3_geo_length.point = nextPoint;
+ };
+ d3_geo_length.lineEnd = function() {
+ d3_geo_length.point = d3_geo_length.lineEnd = d3_noop;
+ };
+ function nextPoint(λ, φ) {
+ var sinφ = Math.sin(φ *= d3_radians), cosφ = Math.cos(φ), t = abs((λ *= d3_radians) - λ0), cosΔλ = Math.cos(t);
+ d3_geo_lengthSum += Math.atan2(Math.sqrt((t = cosφ * Math.sin(t)) * t + (t = cosφ0 * sinφ - sinφ0 * cosφ * cosΔλ) * t), sinφ0 * sinφ + cosφ0 * cosφ * cosΔλ);
+ λ0 = λ, sinφ0 = sinφ, cosφ0 = cosφ;
+ }
+ }
+ function d3_geo_azimuthal(scale, angle) {
+ function azimuthal(λ, φ) {
+ var cosλ = Math.cos(λ), cosφ = Math.cos(φ), k = scale(cosλ * cosφ);
+ return [ k * cosφ * Math.sin(λ), k * Math.sin(φ) ];
+ }
+ azimuthal.invert = function(x, y) {
+ var ρ = Math.sqrt(x * x + y * y), c = angle(ρ), sinc = Math.sin(c), cosc = Math.cos(c);
+ return [ Math.atan2(x * sinc, ρ * cosc), Math.asin(ρ && y * sinc / ρ) ];
+ };
+ return azimuthal;
+ }
+ var d3_geo_azimuthalEqualArea = d3_geo_azimuthal(function(cosλcosφ) {
+ return Math.sqrt(2 / (1 + cosλcosφ));
+ }, function(ρ) {
+ return 2 * Math.asin(ρ / 2);
+ });
+ (d3.geo.azimuthalEqualArea = function() {
+ return d3_geo_projection(d3_geo_azimuthalEqualArea);
+ }).raw = d3_geo_azimuthalEqualArea;
+ var d3_geo_azimuthalEquidistant = d3_geo_azimuthal(function(cosλcosφ) {
+ var c = Math.acos(cosλcosφ);
+ return c && c / Math.sin(c);
+ }, d3_identity);
+ (d3.geo.azimuthalEquidistant = function() {
+ return d3_geo_projection(d3_geo_azimuthalEquidistant);
+ }).raw = d3_geo_azimuthalEquidistant;
+ function d3_geo_conicConformal(φ0, φ1) {
+ var cosφ0 = Math.cos(φ0), t = function(φ) {
+ return Math.tan(π / 4 + φ / 2);
+ }, n = φ0 === φ1 ? Math.sin(φ0) : Math.log(cosφ0 / Math.cos(φ1)) / Math.log(t(φ1) / t(φ0)), F = cosφ0 * Math.pow(t(φ0), n) / n;
+ if (!n) return d3_geo_mercator;
+ function forward(λ, φ) {
+ if (F > 0) {
+ if (φ < -halfπ + ε) φ = -halfπ + ε;
+ } else {
+ if (φ > halfπ - ε) φ = halfπ - ε;
+ }
+ var ρ = F / Math.pow(t(φ), n);
+ return [ ρ * Math.sin(n * λ), F - ρ * Math.cos(n * λ) ];
+ }
+ forward.invert = function(x, y) {
+ var ρ0_y = F - y, ρ = d3_sgn(n) * Math.sqrt(x * x + ρ0_y * ρ0_y);
+ return [ Math.atan2(x, ρ0_y) / n, 2 * Math.atan(Math.pow(F / ρ, 1 / n)) - halfπ ];
+ };
+ return forward;
+ }
+ (d3.geo.conicConformal = function() {
+ return d3_geo_conic(d3_geo_conicConformal);
+ }).raw = d3_geo_conicConformal;
+ function d3_geo_conicEquidistant(φ0, φ1) {
+ var cosφ0 = Math.cos(φ0), n = φ0 === φ1 ? Math.sin(φ0) : (cosφ0 - Math.cos(φ1)) / (φ1 - φ0), G = cosφ0 / n + φ0;
+ if (abs(n) < ε) return d3_geo_equirectangular;
+ function forward(λ, φ) {
+ var ρ = G - φ;
+ return [ ρ * Math.sin(n * λ), G - ρ * Math.cos(n * λ) ];
+ }
+ forward.invert = function(x, y) {
+ var ρ0_y = G - y;
+ return [ Math.atan2(x, ρ0_y) / n, G - d3_sgn(n) * Math.sqrt(x * x + ρ0_y * ρ0_y) ];
+ };
+ return forward;
+ }
+ (d3.geo.conicEquidistant = function() {
+ return d3_geo_conic(d3_geo_conicEquidistant);
+ }).raw = d3_geo_conicEquidistant;
+ var d3_geo_gnomonic = d3_geo_azimuthal(function(cosλcosφ) {
+ return 1 / cosλcosφ;
+ }, Math.atan);
+ (d3.geo.gnomonic = function() {
+ return d3_geo_projection(d3_geo_gnomonic);
+ }).raw = d3_geo_gnomonic;
+ function d3_geo_mercator(λ, φ) {
+ return [ λ, Math.log(Math.tan(π / 4 + φ / 2)) ];
+ }
+ d3_geo_mercator.invert = function(x, y) {
+ return [ x, 2 * Math.atan(Math.exp(y)) - halfπ ];
+ };
+ function d3_geo_mercatorProjection(project) {
+ var m = d3_geo_projection(project), scale = m.scale, translate = m.translate, clipExtent = m.clipExtent, clipAuto;
+ m.scale = function() {
+ var v = scale.apply(m, arguments);
+ return v === m ? clipAuto ? m.clipExtent(null) : m : v;
+ };
+ m.translate = function() {
+ var v = translate.apply(m, arguments);
+ return v === m ? clipAuto ? m.clipExtent(null) : m : v;
+ };
+ m.clipExtent = function(_) {
+ var v = clipExtent.apply(m, arguments);
+ if (v === m) {
+ if (clipAuto = _ == null) {
+ var k = π * scale(), t = translate();
+ clipExtent([ [ t[0] - k, t[1] - k ], [ t[0] + k, t[1] + k ] ]);
+ }
+ } else if (clipAuto) {
+ v = null;
+ }
+ return v;
+ };
+ return m.clipExtent(null);
+ }
+ (d3.geo.mercator = function() {
+ return d3_geo_mercatorProjection(d3_geo_mercator);
+ }).raw = d3_geo_mercator;
+ var d3_geo_orthographic = d3_geo_azimuthal(function() {
+ return 1;
+ }, Math.asin);
+ (d3.geo.orthographic = function() {
+ return d3_geo_projection(d3_geo_orthographic);
+ }).raw = d3_geo_orthographic;
+ var d3_geo_stereographic = d3_geo_azimuthal(function(cosλcosφ) {
+ return 1 / (1 + cosλcosφ);
+ }, function(ρ) {
+ return 2 * Math.atan(ρ);
+ });
+ (d3.geo.stereographic = function() {
+ return d3_geo_projection(d3_geo_stereographic);
+ }).raw = d3_geo_stereographic;
+ function d3_geo_transverseMercator(λ, φ) {
+ return [ Math.log(Math.tan(π / 4 + φ / 2)), -λ ];
+ }
+ d3_geo_transverseMercator.invert = function(x, y) {
+ return [ -y, 2 * Math.atan(Math.exp(x)) - halfπ ];
+ };
+ (d3.geo.transverseMercator = function() {
+ var projection = d3_geo_mercatorProjection(d3_geo_transverseMercator), center = projection.center, rotate = projection.rotate;
+ projection.center = function(_) {
+ return _ ? center([ -_[1], _[0] ]) : (_ = center(), [ _[1], -_[0] ]);
+ };
+ projection.rotate = function(_) {
+ return _ ? rotate([ _[0], _[1], _.length > 2 ? _[2] + 90 : 90 ]) : (_ = rotate(),
+ [ _[0], _[1], _[2] - 90 ]);
+ };
+ return rotate([ 0, 0, 90 ]);
+ }).raw = d3_geo_transverseMercator;
+ d3.geom = {};
+ function d3_geom_pointX(d) {
+ return d[0];
+ }
+ function d3_geom_pointY(d) {
+ return d[1];
+ }
+ d3.geom.hull = function(vertices) {
+ var x = d3_geom_pointX, y = d3_geom_pointY;
+ if (arguments.length) return hull(vertices);
+ function hull(data) {
+ if (data.length < 3) return [];
+ var fx = d3_functor(x), fy = d3_functor(y), i, n = data.length, points = [], flippedPoints = [];
+ for (i = 0; i < n; i++) {
+ points.push([ +fx.call(this, data[i], i), +fy.call(this, data[i], i), i ]);
+ }
+ points.sort(d3_geom_hullOrder);
+ for (i = 0; i < n; i++) flippedPoints.push([ points[i][0], -points[i][1] ]);
+ var upper = d3_geom_hullUpper(points), lower = d3_geom_hullUpper(flippedPoints);
+ var skipLeft = lower[0] === upper[0], skipRight = lower[lower.length - 1] === upper[upper.length - 1], polygon = [];
+ for (i = upper.length - 1; i >= 0; --i) polygon.push(data[points[upper[i]][2]]);
+ for (i = +skipLeft; i < lower.length - skipRight; ++i) polygon.push(data[points[lower[i]][2]]);
+ return polygon;
+ }
+ hull.x = function(_) {
+ return arguments.length ? (x = _, hull) : x;
+ };
+ hull.y = function(_) {
+ return arguments.length ? (y = _, hull) : y;
+ };
+ return hull;
+ };
+ function d3_geom_hullUpper(points) {
+ var n = points.length, hull = [ 0, 1 ], hs = 2;
+ for (var i = 2; i < n; i++) {
+ while (hs > 1 && d3_cross2d(points[hull[hs - 2]], points[hull[hs - 1]], points[i]) <= 0) --hs;
+ hull[hs++] = i;
+ }
+ return hull.slice(0, hs);
+ }
+ function d3_geom_hullOrder(a, b) {
+ return a[0] - b[0] || a[1] - b[1];
+ }
+ d3.geom.polygon = function(coordinates) {
+ d3_subclass(coordinates, d3_geom_polygonPrototype);
+ return coordinates;
+ };
+ var d3_geom_polygonPrototype = d3.geom.polygon.prototype = [];
+ d3_geom_polygonPrototype.area = function() {
+ var i = -1, n = this.length, a, b = this[n - 1], area = 0;
+ while (++i < n) {
+ a = b;
+ b = this[i];
+ area += a[1] * b[0] - a[0] * b[1];
+ }
+ return area * .5;
+ };
+ d3_geom_polygonPrototype.centroid = function(k) {
+ var i = -1, n = this.length, x = 0, y = 0, a, b = this[n - 1], c;
+ if (!arguments.length) k = -1 / (6 * this.area());
+ while (++i < n) {
+ a = b;
+ b = this[i];
+ c = a[0] * b[1] - b[0] * a[1];
+ x += (a[0] + b[0]) * c;
+ y += (a[1] + b[1]) * c;
+ }
+ return [ x * k, y * k ];
+ };
+ d3_geom_polygonPrototype.clip = function(subject) {
+ var input, closed = d3_geom_polygonClosed(subject), i = -1, n = this.length - d3_geom_polygonClosed(this), j, m, a = this[n - 1], b, c, d;
+ while (++i < n) {
+ input = subject.slice();
+ subject.length = 0;
+ b = this[i];
+ c = input[(m = input.length - closed) - 1];
+ j = -1;
+ while (++j < m) {
+ d = input[j];
+ if (d3_geom_polygonInside(d, a, b)) {
+ if (!d3_geom_polygonInside(c, a, b)) {
+ subject.push(d3_geom_polygonIntersect(c, d, a, b));
+ }
+ subject.push(d);
+ } else if (d3_geom_polygonInside(c, a, b)) {
+ subject.push(d3_geom_polygonIntersect(c, d, a, b));
+ }
+ c = d;
+ }
+ if (closed) subject.push(subject[0]);
+ a = b;
+ }
+ return subject;
+ };
+ function d3_geom_polygonInside(p, a, b) {
+ return (b[0] - a[0]) * (p[1] - a[1]) < (b[1] - a[1]) * (p[0] - a[0]);
+ }
+ function d3_geom_polygonIntersect(c, d, a, b) {
+ var x1 = c[0], x3 = a[0], x21 = d[0] - x1, x43 = b[0] - x3, y1 = c[1], y3 = a[1], y21 = d[1] - y1, y43 = b[1] - y3, ua = (x43 * (y1 - y3) - y43 * (x1 - x3)) / (y43 * x21 - x43 * y21);
+ return [ x1 + ua * x21, y1 + ua * y21 ];
+ }
+ function d3_geom_polygonClosed(coordinates) {
+ var a = coordinates[0], b = coordinates[coordinates.length - 1];
+ return !(a[0] - b[0] || a[1] - b[1]);
+ }
+ var d3_geom_voronoiEdges, d3_geom_voronoiCells, d3_geom_voronoiBeaches, d3_geom_voronoiBeachPool = [], d3_geom_voronoiFirstCircle, d3_geom_voronoiCircles, d3_geom_voronoiCirclePool = [];
+ function d3_geom_voronoiBeach() {
+ d3_geom_voronoiRedBlackNode(this);
+ this.edge = this.site = this.circle = null;
+ }
+ function d3_geom_voronoiCreateBeach(site) {
+ var beach = d3_geom_voronoiBeachPool.pop() || new d3_geom_voronoiBeach();
+ beach.site = site;
+ return beach;
+ }
+ function d3_geom_voronoiDetachBeach(beach) {
+ d3_geom_voronoiDetachCircle(beach);
+ d3_geom_voronoiBeaches.remove(beach);
+ d3_geom_voronoiBeachPool.push(beach);
+ d3_geom_voronoiRedBlackNode(beach);
+ }
+ function d3_geom_voronoiRemoveBeach(beach) {
+ var circle = beach.circle, x = circle.x, y = circle.cy, vertex = {
+ x: x,
+ y: y
+ }, previous = beach.P, next = beach.N, disappearing = [ beach ];
+ d3_geom_voronoiDetachBeach(beach);
+ var lArc = previous;
+ while (lArc.circle && abs(x - lArc.circle.x) < ε && abs(y - lArc.circle.cy) < ε) {
+ previous = lArc.P;
+ disappearing.unshift(lArc);
+ d3_geom_voronoiDetachBeach(lArc);
+ lArc = previous;
+ }
+ disappearing.unshift(lArc);
+ d3_geom_voronoiDetachCircle(lArc);
+ var rArc = next;
+ while (rArc.circle && abs(x - rArc.circle.x) < ε && abs(y - rArc.circle.cy) < ε) {
+ next = rArc.N;
+ disappearing.push(rArc);
+ d3_geom_voronoiDetachBeach(rArc);
+ rArc = next;
+ }
+ disappearing.push(rArc);
+ d3_geom_voronoiDetachCircle(rArc);
+ var nArcs = disappearing.length, iArc;
+ for (iArc = 1; iArc < nArcs; ++iArc) {
+ rArc = disappearing[iArc];
+ lArc = disappearing[iArc - 1];
+ d3_geom_voronoiSetEdgeEnd(rArc.edge, lArc.site, rArc.site, vertex);
+ }
+ lArc = disappearing[0];
+ rArc = disappearing[nArcs - 1];
+ rArc.edge = d3_geom_voronoiCreateEdge(lArc.site, rArc.site, null, vertex);
+ d3_geom_voronoiAttachCircle(lArc);
+ d3_geom_voronoiAttachCircle(rArc);
+ }
+ function d3_geom_voronoiAddBeach(site) {
+ var x = site.x, directrix = site.y, lArc, rArc, dxl, dxr, node = d3_geom_voronoiBeaches._;
+ while (node) {
+ dxl = d3_geom_voronoiLeftBreakPoint(node, directrix) - x;
+ if (dxl > ε) node = node.L; else {
+ dxr = x - d3_geom_voronoiRightBreakPoint(node, directrix);
+ if (dxr > ε) {
+ if (!node.R) {
+ lArc = node;
+ break;
+ }
+ node = node.R;
+ } else {
+ if (dxl > -ε) {
+ lArc = node.P;
+ rArc = node;
+ } else if (dxr > -ε) {
+ lArc = node;
+ rArc = node.N;
+ } else {
+ lArc = rArc = node;
+ }
+ break;
+ }
+ }
+ }
+ var newArc = d3_geom_voronoiCreateBeach(site);
+ d3_geom_voronoiBeaches.insert(lArc, newArc);
+ if (!lArc && !rArc) return;
+ if (lArc === rArc) {
+ d3_geom_voronoiDetachCircle(lArc);
+ rArc = d3_geom_voronoiCreateBeach(lArc.site);
+ d3_geom_voronoiBeaches.insert(newArc, rArc);
+ newArc.edge = rArc.edge = d3_geom_voronoiCreateEdge(lArc.site, newArc.site);
+ d3_geom_voronoiAttachCircle(lArc);
+ d3_geom_voronoiAttachCircle(rArc);
+ return;
+ }
+ if (!rArc) {
+ newArc.edge = d3_geom_voronoiCreateEdge(lArc.site, newArc.site);
+ return;
+ }
+ d3_geom_voronoiDetachCircle(lArc);
+ d3_geom_voronoiDetachCircle(rArc);
+ var lSite = lArc.site, ax = lSite.x, ay = lSite.y, bx = site.x - ax, by = site.y - ay, rSite = rArc.site, cx = rSite.x - ax, cy = rSite.y - ay, d = 2 * (bx * cy - by * cx), hb = bx * bx + by * by, hc = cx * cx + cy * cy, vertex = {
+ x: (cy * hb - by * hc) / d + ax,
+ y: (bx * hc - cx * hb) / d + ay
+ };
+ d3_geom_voronoiSetEdgeEnd(rArc.edge, lSite, rSite, vertex);
+ newArc.edge = d3_geom_voronoiCreateEdge(lSite, site, null, vertex);
+ rArc.edge = d3_geom_voronoiCreateEdge(site, rSite, null, vertex);
+ d3_geom_voronoiAttachCircle(lArc);
+ d3_geom_voronoiAttachCircle(rArc);
+ }
+ function d3_geom_voronoiLeftBreakPoint(arc, directrix) {
+ var site = arc.site, rfocx = site.x, rfocy = site.y, pby2 = rfocy - directrix;
+ if (!pby2) return rfocx;
+ var lArc = arc.P;
+ if (!lArc) return -Infinity;
+ site = lArc.site;
+ var lfocx = site.x, lfocy = site.y, plby2 = lfocy - directrix;
+ if (!plby2) return lfocx;
+ var hl = lfocx - rfocx, aby2 = 1 / pby2 - 1 / plby2, b = hl / plby2;
+ if (aby2) return (-b + Math.sqrt(b * b - 2 * aby2 * (hl * hl / (-2 * plby2) - lfocy + plby2 / 2 + rfocy - pby2 / 2))) / aby2 + rfocx;
+ return (rfocx + lfocx) / 2;
+ }
+ function d3_geom_voronoiRightBreakPoint(arc, directrix) {
+ var rArc = arc.N;
+ if (rArc) return d3_geom_voronoiLeftBreakPoint(rArc, directrix);
+ var site = arc.site;
+ return site.y === directrix ? site.x : Infinity;
+ }
+ function d3_geom_voronoiCell(site) {
+ this.site = site;
+ this.edges = [];
+ }
+ d3_geom_voronoiCell.prototype.prepare = function() {
+ var halfEdges = this.edges, iHalfEdge = halfEdges.length, edge;
+ while (iHalfEdge--) {
+ edge = halfEdges[iHalfEdge].edge;
+ if (!edge.b || !edge.a) halfEdges.splice(iHalfEdge, 1);
+ }
+ halfEdges.sort(d3_geom_voronoiHalfEdgeOrder);
+ return halfEdges.length;
+ };
+ function d3_geom_voronoiCloseCells(extent) {
+ var x0 = extent[0][0], x1 = extent[1][0], y0 = extent[0][1], y1 = extent[1][1], x2, y2, x3, y3, cells = d3_geom_voronoiCells, iCell = cells.length, cell, iHalfEdge, halfEdges, nHalfEdges, start, end;
+ while (iCell--) {
+ cell = cells[iCell];
+ if (!cell || !cell.prepare()) continue;
+ halfEdges = cell.edges;
+ nHalfEdges = halfEdges.length;
+ iHalfEdge = 0;
+ while (iHalfEdge < nHalfEdges) {
+ end = halfEdges[iHalfEdge].end(), x3 = end.x, y3 = end.y;
+ start = halfEdges[++iHalfEdge % nHalfEdges].start(), x2 = start.x, y2 = start.y;
+ if (abs(x3 - x2) > ε || abs(y3 - y2) > ε) {
+ halfEdges.splice(iHalfEdge, 0, new d3_geom_voronoiHalfEdge(d3_geom_voronoiCreateBorderEdge(cell.site, end, abs(x3 - x0) < ε && y1 - y3 > ε ? {
+ x: x0,
+ y: abs(x2 - x0) < ε ? y2 : y1
+ } : abs(y3 - y1) < ε && x1 - x3 > ε ? {
+ x: abs(y2 - y1) < ε ? x2 : x1,
+ y: y1
+ } : abs(x3 - x1) < ε && y3 - y0 > ε ? {
+ x: x1,
+ y: abs(x2 - x1) < ε ? y2 : y0
+ } : abs(y3 - y0) < ε && x3 - x0 > ε ? {
+ x: abs(y2 - y0) < ε ? x2 : x0,
+ y: y0
+ } : null), cell.site, null));
+ ++nHalfEdges;
+ }
+ }
+ }
+ }
+ function d3_geom_voronoiHalfEdgeOrder(a, b) {
+ return b.angle - a.angle;
+ }
+ function d3_geom_voronoiCircle() {
+ d3_geom_voronoiRedBlackNode(this);
+ this.x = this.y = this.arc = this.site = this.cy = null;
+ }
+ function d3_geom_voronoiAttachCircle(arc) {
+ var lArc = arc.P, rArc = arc.N;
+ if (!lArc || !rArc) return;
+ var lSite = lArc.site, cSite = arc.site, rSite = rArc.site;
+ if (lSite === rSite) return;
+ var bx = cSite.x, by = cSite.y, ax = lSite.x - bx, ay = lSite.y - by, cx = rSite.x - bx, cy = rSite.y - by;
+ var d = 2 * (ax * cy - ay * cx);
+ if (d >= -ε2) return;
+ var ha = ax * ax + ay * ay, hc = cx * cx + cy * cy, x = (cy * ha - ay * hc) / d, y = (ax * hc - cx * ha) / d, cy = y + by;
+ var circle = d3_geom_voronoiCirclePool.pop() || new d3_geom_voronoiCircle();
+ circle.arc = arc;
+ circle.site = cSite;
+ circle.x = x + bx;
+ circle.y = cy + Math.sqrt(x * x + y * y);
+ circle.cy = cy;
+ arc.circle = circle;
+ var before = null, node = d3_geom_voronoiCircles._;
+ while (node) {
+ if (circle.y < node.y || circle.y === node.y && circle.x <= node.x) {
+ if (node.L) node = node.L; else {
+ before = node.P;
+ break;
+ }
+ } else {
+ if (node.R) node = node.R; else {
+ before = node;
+ break;
+ }
+ }
+ }
+ d3_geom_voronoiCircles.insert(before, circle);
+ if (!before) d3_geom_voronoiFirstCircle = circle;
+ }
+ function d3_geom_voronoiDetachCircle(arc) {
+ var circle = arc.circle;
+ if (circle) {
+ if (!circle.P) d3_geom_voronoiFirstCircle = circle.N;
+ d3_geom_voronoiCircles.remove(circle);
+ d3_geom_voronoiCirclePool.push(circle);
+ d3_geom_voronoiRedBlackNode(circle);
+ arc.circle = null;
+ }
+ }
+ function d3_geom_voronoiClipEdges(extent) {
+ var edges = d3_geom_voronoiEdges, clip = d3_geom_clipLine(extent[0][0], extent[0][1], extent[1][0], extent[1][1]), i = edges.length, e;
+ while (i--) {
+ e = edges[i];
+ if (!d3_geom_voronoiConnectEdge(e, extent) || !clip(e) || abs(e.a.x - e.b.x) < ε && abs(e.a.y - e.b.y) < ε) {
+ e.a = e.b = null;
+ edges.splice(i, 1);
+ }
+ }
+ }
+ function d3_geom_voronoiConnectEdge(edge, extent) {
+ var vb = edge.b;
+ if (vb) return true;
+ var va = edge.a, x0 = extent[0][0], x1 = extent[1][0], y0 = extent[0][1], y1 = extent[1][1], lSite = edge.l, rSite = edge.r, lx = lSite.x, ly = lSite.y, rx = rSite.x, ry = rSite.y, fx = (lx + rx) / 2, fy = (ly + ry) / 2, fm, fb;
+ if (ry === ly) {
+ if (fx < x0 || fx >= x1) return;
+ if (lx > rx) {
+ if (!va) va = {
+ x: fx,
+ y: y0
+ }; else if (va.y >= y1) return;
+ vb = {
+ x: fx,
+ y: y1
+ };
+ } else {
+ if (!va) va = {
+ x: fx,
+ y: y1
+ }; else if (va.y < y0) return;
+ vb = {
+ x: fx,
+ y: y0
+ };
+ }
+ } else {
+ fm = (lx - rx) / (ry - ly);
+ fb = fy - fm * fx;
+ if (fm < -1 || fm > 1) {
+ if (lx > rx) {
+ if (!va) va = {
+ x: (y0 - fb) / fm,
+ y: y0
+ }; else if (va.y >= y1) return;
+ vb = {
+ x: (y1 - fb) / fm,
+ y: y1
+ };
+ } else {
+ if (!va) va = {
+ x: (y1 - fb) / fm,
+ y: y1
+ }; else if (va.y < y0) return;
+ vb = {
+ x: (y0 - fb) / fm,
+ y: y0
+ };
+ }
+ } else {
+ if (ly < ry) {
+ if (!va) va = {
+ x: x0,
+ y: fm * x0 + fb
+ }; else if (va.x >= x1) return;
+ vb = {
+ x: x1,
+ y: fm * x1 + fb
+ };
+ } else {
+ if (!va) va = {
+ x: x1,
+ y: fm * x1 + fb
+ }; else if (va.x < x0) return;
+ vb = {
+ x: x0,
+ y: fm * x0 + fb
+ };
+ }
+ }
+ }
+ edge.a = va;
+ edge.b = vb;
+ return true;
+ }
+ function d3_geom_voronoiEdge(lSite, rSite) {
+ this.l = lSite;
+ this.r = rSite;
+ this.a = this.b = null;
+ }
+ function d3_geom_voronoiCreateEdge(lSite, rSite, va, vb) {
+ var edge = new d3_geom_voronoiEdge(lSite, rSite);
+ d3_geom_voronoiEdges.push(edge);
+ if (va) d3_geom_voronoiSetEdgeEnd(edge, lSite, rSite, va);
+ if (vb) d3_geom_voronoiSetEdgeEnd(edge, rSite, lSite, vb);
+ d3_geom_voronoiCells[lSite.i].edges.push(new d3_geom_voronoiHalfEdge(edge, lSite, rSite));
+ d3_geom_voronoiCells[rSite.i].edges.push(new d3_geom_voronoiHalfEdge(edge, rSite, lSite));
+ return edge;
+ }
+ function d3_geom_voronoiCreateBorderEdge(lSite, va, vb) {
+ var edge = new d3_geom_voronoiEdge(lSite, null);
+ edge.a = va;
+ edge.b = vb;
+ d3_geom_voronoiEdges.push(edge);
+ return edge;
+ }
+ function d3_geom_voronoiSetEdgeEnd(edge, lSite, rSite, vertex) {
+ if (!edge.a && !edge.b) {
+ edge.a = vertex;
+ edge.l = lSite;
+ edge.r = rSite;
+ } else if (edge.l === rSite) {
+ edge.b = vertex;
+ } else {
+ edge.a = vertex;
+ }
+ }
+ function d3_geom_voronoiHalfEdge(edge, lSite, rSite) {
+ var va = edge.a, vb = edge.b;
+ this.edge = edge;
+ this.site = lSite;
+ this.angle = rSite ? Math.atan2(rSite.y - lSite.y, rSite.x - lSite.x) : edge.l === lSite ? Math.atan2(vb.x - va.x, va.y - vb.y) : Math.atan2(va.x - vb.x, vb.y - va.y);
+ }
+ d3_geom_voronoiHalfEdge.prototype = {
+ start: function() {
+ return this.edge.l === this.site ? this.edge.a : this.edge.b;
+ },
+ end: function() {
+ return this.edge.l === this.site ? this.edge.b : this.edge.a;
+ }
+ };
+ function d3_geom_voronoiRedBlackTree() {
+ this._ = null;
+ }
+ function d3_geom_voronoiRedBlackNode(node) {
+ node.U = node.C = node.L = node.R = node.P = node.N = null;
+ }
+ d3_geom_voronoiRedBlackTree.prototype = {
+ insert: function(after, node) {
+ var parent, grandpa, uncle;
+ if (after) {
+ node.P = after;
+ node.N = after.N;
+ if (after.N) after.N.P = node;
+ after.N = node;
+ if (after.R) {
+ after = after.R;
+ while (after.L) after = after.L;
+ after.L = node;
+ } else {
+ after.R = node;
+ }
+ parent = after;
+ } else if (this._) {
+ after = d3_geom_voronoiRedBlackFirst(this._);
+ node.P = null;
+ node.N = after;
+ after.P = after.L = node;
+ parent = after;
+ } else {
+ node.P = node.N = null;
+ this._ = node;
+ parent = null;
+ }
+ node.L = node.R = null;
+ node.U = parent;
+ node.C = true;
+ after = node;
+ while (parent && parent.C) {
+ grandpa = parent.U;
+ if (parent === grandpa.L) {
+ uncle = grandpa.R;
+ if (uncle && uncle.C) {
+ parent.C = uncle.C = false;
+ grandpa.C = true;
+ after = grandpa;
+ } else {
+ if (after === parent.R) {
+ d3_geom_voronoiRedBlackRotateLeft(this, parent);
+ after = parent;
+ parent = after.U;
+ }
+ parent.C = false;
+ grandpa.C = true;
+ d3_geom_voronoiRedBlackRotateRight(this, grandpa);
+ }
+ } else {
+ uncle = grandpa.L;
+ if (uncle && uncle.C) {
+ parent.C = uncle.C = false;
+ grandpa.C = true;
+ after = grandpa;
+ } else {
+ if (after === parent.L) {
+ d3_geom_voronoiRedBlackRotateRight(this, parent);
+ after = parent;
+ parent = after.U;
+ }
+ parent.C = false;
+ grandpa.C = true;
+ d3_geom_voronoiRedBlackRotateLeft(this, grandpa);
+ }
+ }
+ parent = after.U;
+ }
+ this._.C = false;
+ },
+ remove: function(node) {
+ if (node.N) node.N.P = node.P;
+ if (node.P) node.P.N = node.N;
+ node.N = node.P = null;
+ var parent = node.U, sibling, left = node.L, right = node.R, next, red;
+ if (!left) next = right; else if (!right) next = left; else next = d3_geom_voronoiRedBlackFirst(right);
+ if (parent) {
+ if (parent.L === node) parent.L = next; else parent.R = next;
+ } else {
+ this._ = next;
+ }
+ if (left && right) {
+ red = next.C;
+ next.C = node.C;
+ next.L = left;
+ left.U = next;
+ if (next !== right) {
+ parent = next.U;
+ next.U = node.U;
+ node = next.R;
+ parent.L = node;
+ next.R = right;
+ right.U = next;
+ } else {
+ next.U = parent;
+ parent = next;
+ node = next.R;
+ }
+ } else {
+ red = node.C;
+ node = next;
+ }
+ if (node) node.U = parent;
+ if (red) return;
+ if (node && node.C) {
+ node.C = false;
+ return;
+ }
+ do {
+ if (node === this._) break;
+ if (node === parent.L) {
+ sibling = parent.R;
+ if (sibling.C) {
+ sibling.C = false;
+ parent.C = true;
+ d3_geom_voronoiRedBlackRotateLeft(this, parent);
+ sibling = parent.R;
+ }
+ if (sibling.L && sibling.L.C || sibling.R && sibling.R.C) {
+ if (!sibling.R || !sibling.R.C) {
+ sibling.L.C = false;
+ sibling.C = true;
+ d3_geom_voronoiRedBlackRotateRight(this, sibling);
+ sibling = parent.R;
+ }
+ sibling.C = parent.C;
+ parent.C = sibling.R.C = false;
+ d3_geom_voronoiRedBlackRotateLeft(this, parent);
+ node = this._;
+ break;
+ }
+ } else {
+ sibling = parent.L;
+ if (sibling.C) {
+ sibling.C = false;
+ parent.C = true;
+ d3_geom_voronoiRedBlackRotateRight(this, parent);
+ sibling = parent.L;
+ }
+ if (sibling.L && sibling.L.C || sibling.R && sibling.R.C) {
+ if (!sibling.L || !sibling.L.C) {
+ sibling.R.C = false;
+ sibling.C = true;
+ d3_geom_voronoiRedBlackRotateLeft(this, sibling);
+ sibling = parent.L;
+ }
+ sibling.C = parent.C;
+ parent.C = sibling.L.C = false;
+ d3_geom_voronoiRedBlackRotateRight(this, parent);
+ node = this._;
+ break;
+ }
+ }
+ sibling.C = true;
+ node = parent;
+ parent = parent.U;
+ } while (!node.C);
+ if (node) node.C = false;
+ }
+ };
+ function d3_geom_voronoiRedBlackRotateLeft(tree, node) {
+ var p = node, q = node.R, parent = p.U;
+ if (parent) {
+ if (parent.L === p) parent.L = q; else parent.R = q;
+ } else {
+ tree._ = q;
+ }
+ q.U = parent;
+ p.U = q;
+ p.R = q.L;
+ if (p.R) p.R.U = p;
+ q.L = p;
+ }
+ function d3_geom_voronoiRedBlackRotateRight(tree, node) {
+ var p = node, q = node.L, parent = p.U;
+ if (parent) {
+ if (parent.L === p) parent.L = q; else parent.R = q;
+ } else {
+ tree._ = q;
+ }
+ q.U = parent;
+ p.U = q;
+ p.L = q.R;
+ if (p.L) p.L.U = p;
+ q.R = p;
+ }
+ function d3_geom_voronoiRedBlackFirst(node) {
+ while (node.L) node = node.L;
+ return node;
+ }
+ function d3_geom_voronoi(sites, bbox) {
+ var site = sites.sort(d3_geom_voronoiVertexOrder).pop(), x0, y0, circle;
+ d3_geom_voronoiEdges = [];
+ d3_geom_voronoiCells = new Array(sites.length);
+ d3_geom_voronoiBeaches = new d3_geom_voronoiRedBlackTree();
+ d3_geom_voronoiCircles = new d3_geom_voronoiRedBlackTree();
+ while (true) {
+ circle = d3_geom_voronoiFirstCircle;
+ if (site && (!circle || site.y < circle.y || site.y === circle.y && site.x < circle.x)) {
+ if (site.x !== x0 || site.y !== y0) {
+ d3_geom_voronoiCells[site.i] = new d3_geom_voronoiCell(site);
+ d3_geom_voronoiAddBeach(site);
+ x0 = site.x, y0 = site.y;
+ }
+ site = sites.pop();
+ } else if (circle) {
+ d3_geom_voronoiRemoveBeach(circle.arc);
+ } else {
+ break;
+ }
+ }
+ if (bbox) d3_geom_voronoiClipEdges(bbox), d3_geom_voronoiCloseCells(bbox);
+ var diagram = {
+ cells: d3_geom_voronoiCells,
+ edges: d3_geom_voronoiEdges
+ };
+ d3_geom_voronoiBeaches = d3_geom_voronoiCircles = d3_geom_voronoiEdges = d3_geom_voronoiCells = null;
+ return diagram;
+ }
+ function d3_geom_voronoiVertexOrder(a, b) {
+ return b.y - a.y || b.x - a.x;
+ }
+ d3.geom.voronoi = function(points) {
+ var x = d3_geom_pointX, y = d3_geom_pointY, fx = x, fy = y, clipExtent = d3_geom_voronoiClipExtent;
+ if (points) return voronoi(points);
+ function voronoi(data) {
+ var polygons = new Array(data.length), x0 = clipExtent[0][0], y0 = clipExtent[0][1], x1 = clipExtent[1][0], y1 = clipExtent[1][1];
+ d3_geom_voronoi(sites(data), clipExtent).cells.forEach(function(cell, i) {
+ var edges = cell.edges, site = cell.site, polygon = polygons[i] = edges.length ? edges.map(function(e) {
+ var s = e.start();
+ return [ s.x, s.y ];
+ }) : site.x >= x0 && site.x <= x1 && site.y >= y0 && site.y <= y1 ? [ [ x0, y1 ], [ x1, y1 ], [ x1, y0 ], [ x0, y0 ] ] : [];
+ polygon.point = data[i];
+ });
+ return polygons;
+ }
+ function sites(data) {
+ return data.map(function(d, i) {
+ return {
+ x: Math.round(fx(d, i) / ε) * ε,
+ y: Math.round(fy(d, i) / ε) * ε,
+ i: i
+ };
+ });
+ }
+ voronoi.links = function(data) {
+ return d3_geom_voronoi(sites(data)).edges.filter(function(edge) {
+ return edge.l && edge.r;
+ }).map(function(edge) {
+ return {
+ source: data[edge.l.i],
+ target: data[edge.r.i]
+ };
+ });
+ };
+ voronoi.triangles = function(data) {
+ var triangles = [];
+ d3_geom_voronoi(sites(data)).cells.forEach(function(cell, i) {
+ var site = cell.site, edges = cell.edges.sort(d3_geom_voronoiHalfEdgeOrder), j = -1, m = edges.length, e0, s0, e1 = edges[m - 1].edge, s1 = e1.l === site ? e1.r : e1.l;
+ while (++j < m) {
+ e0 = e1;
+ s0 = s1;
+ e1 = edges[j].edge;
+ s1 = e1.l === site ? e1.r : e1.l;
+ if (i < s0.i && i < s1.i && d3_geom_voronoiTriangleArea(site, s0, s1) < 0) {
+ triangles.push([ data[i], data[s0.i], data[s1.i] ]);
+ }
+ }
+ });
+ return triangles;
+ };
+ voronoi.x = function(_) {
+ return arguments.length ? (fx = d3_functor(x = _), voronoi) : x;
+ };
+ voronoi.y = function(_) {
+ return arguments.length ? (fy = d3_functor(y = _), voronoi) : y;
+ };
+ voronoi.clipExtent = function(_) {
+ if (!arguments.length) return clipExtent === d3_geom_voronoiClipExtent ? null : clipExtent;
+ clipExtent = _ == null ? d3_geom_voronoiClipExtent : _;
+ return voronoi;
+ };
+ voronoi.size = function(_) {
+ if (!arguments.length) return clipExtent === d3_geom_voronoiClipExtent ? null : clipExtent && clipExtent[1];
+ return voronoi.clipExtent(_ && [ [ 0, 0 ], _ ]);
+ };
+ return voronoi;
+ };
+ var d3_geom_voronoiClipExtent = [ [ -1e6, -1e6 ], [ 1e6, 1e6 ] ];
+ function d3_geom_voronoiTriangleArea(a, b, c) {
+ return (a.x - c.x) * (b.y - a.y) - (a.x - b.x) * (c.y - a.y);
+ }
+ d3.geom.delaunay = function(vertices) {
+ return d3.geom.voronoi().triangles(vertices);
+ };
+ d3.geom.quadtree = function(points, x1, y1, x2, y2) {
+ var x = d3_geom_pointX, y = d3_geom_pointY, compat;
+ if (compat = arguments.length) {
+ x = d3_geom_quadtreeCompatX;
+ y = d3_geom_quadtreeCompatY;
+ if (compat === 3) {
+ y2 = y1;
+ x2 = x1;
+ y1 = x1 = 0;
+ }
+ return quadtree(points);
+ }
+ function quadtree(data) {
+ var d, fx = d3_functor(x), fy = d3_functor(y), xs, ys, i, n, x1_, y1_, x2_, y2_;
+ if (x1 != null) {
+ x1_ = x1, y1_ = y1, x2_ = x2, y2_ = y2;
+ } else {
+ x2_ = y2_ = -(x1_ = y1_ = Infinity);
+ xs = [], ys = [];
+ n = data.length;
+ if (compat) for (i = 0; i < n; ++i) {
+ d = data[i];
+ if (d.x < x1_) x1_ = d.x;
+ if (d.y < y1_) y1_ = d.y;
+ if (d.x > x2_) x2_ = d.x;
+ if (d.y > y2_) y2_ = d.y;
+ xs.push(d.x);
+ ys.push(d.y);
+ } else for (i = 0; i < n; ++i) {
+ var x_ = +fx(d = data[i], i), y_ = +fy(d, i);
+ if (x_ < x1_) x1_ = x_;
+ if (y_ < y1_) y1_ = y_;
+ if (x_ > x2_) x2_ = x_;
+ if (y_ > y2_) y2_ = y_;
+ xs.push(x_);
+ ys.push(y_);
+ }
+ }
+ var dx = x2_ - x1_, dy = y2_ - y1_;
+ if (dx > dy) y2_ = y1_ + dx; else x2_ = x1_ + dy;
+ function insert(n, d, x, y, x1, y1, x2, y2) {
+ if (isNaN(x) || isNaN(y)) return;
+ if (n.leaf) {
+ var nx = n.x, ny = n.y;
+ if (nx != null) {
+ if (abs(nx - x) + abs(ny - y) < .01) {
+ insertChild(n, d, x, y, x1, y1, x2, y2);
+ } else {
+ var nPoint = n.point;
+ n.x = n.y = n.point = null;
+ insertChild(n, nPoint, nx, ny, x1, y1, x2, y2);
+ insertChild(n, d, x, y, x1, y1, x2, y2);
+ }
+ } else {
+ n.x = x, n.y = y, n.point = d;
+ }
+ } else {
+ insertChild(n, d, x, y, x1, y1, x2, y2);
+ }
+ }
+ function insertChild(n, d, x, y, x1, y1, x2, y2) {
+ var xm = (x1 + x2) * .5, ym = (y1 + y2) * .5, right = x >= xm, below = y >= ym, i = below << 1 | right;
+ n.leaf = false;
+ n = n.nodes[i] || (n.nodes[i] = d3_geom_quadtreeNode());
+ if (right) x1 = xm; else x2 = xm;
+ if (below) y1 = ym; else y2 = ym;
+ insert(n, d, x, y, x1, y1, x2, y2);
+ }
+ var root = d3_geom_quadtreeNode();
+ root.add = function(d) {
+ insert(root, d, +fx(d, ++i), +fy(d, i), x1_, y1_, x2_, y2_);
+ };
+ root.visit = function(f) {
+ d3_geom_quadtreeVisit(f, root, x1_, y1_, x2_, y2_);
+ };
+ root.find = function(point) {
+ return d3_geom_quadtreeFind(root, point[0], point[1], x1_, y1_, x2_, y2_);
+ };
+ i = -1;
+ if (x1 == null) {
+ while (++i < n) {
+ insert(root, data[i], xs[i], ys[i], x1_, y1_, x2_, y2_);
+ }
+ --i;
+ } else data.forEach(root.add);
+ xs = ys = data = d = null;
+ return root;
+ }
+ quadtree.x = function(_) {
+ return arguments.length ? (x = _, quadtree) : x;
+ };
+ quadtree.y = function(_) {
+ return arguments.length ? (y = _, quadtree) : y;
+ };
+ quadtree.extent = function(_) {
+ if (!arguments.length) return x1 == null ? null : [ [ x1, y1 ], [ x2, y2 ] ];
+ if (_ == null) x1 = y1 = x2 = y2 = null; else x1 = +_[0][0], y1 = +_[0][1], x2 = +_[1][0],
+ y2 = +_[1][1];
+ return quadtree;
+ };
+ quadtree.size = function(_) {
+ if (!arguments.length) return x1 == null ? null : [ x2 - x1, y2 - y1 ];
+ if (_ == null) x1 = y1 = x2 = y2 = null; else x1 = y1 = 0, x2 = +_[0], y2 = +_[1];
+ return quadtree;
+ };
+ return quadtree;
+ };
+ function d3_geom_quadtreeCompatX(d) {
+ return d.x;
+ }
+ function d3_geom_quadtreeCompatY(d) {
+ return d.y;
+ }
+ function d3_geom_quadtreeNode() {
+ return {
+ leaf: true,
+ nodes: [],
+ point: null,
+ x: null,
+ y: null
+ };
+ }
+ function d3_geom_quadtreeVisit(f, node, x1, y1, x2, y2) {
+ if (!f(node, x1, y1, x2, y2)) {
+ var sx = (x1 + x2) * .5, sy = (y1 + y2) * .5, children = node.nodes;
+ if (children[0]) d3_geom_quadtreeVisit(f, children[0], x1, y1, sx, sy);
+ if (children[1]) d3_geom_quadtreeVisit(f, children[1], sx, y1, x2, sy);
+ if (children[2]) d3_geom_quadtreeVisit(f, children[2], x1, sy, sx, y2);
+ if (children[3]) d3_geom_quadtreeVisit(f, children[3], sx, sy, x2, y2);
+ }
+ }
+ function d3_geom_quadtreeFind(root, x, y, x0, y0, x3, y3) {
+ var minDistance2 = Infinity, closestPoint;
+ (function find(node, x1, y1, x2, y2) {
+ if (x1 > x3 || y1 > y3 || x2 < x0 || y2 < y0) return;
+ if (point = node.point) {
+ var point, dx = x - point[0], dy = y - point[1], distance2 = dx * dx + dy * dy;
+ if (distance2 < minDistance2) {
+ var distance = Math.sqrt(minDistance2 = distance2);
+ x0 = x - distance, y0 = y - distance;
+ x3 = x + distance, y3 = y + distance;
+ closestPoint = point;
+ }
+ }
+ var children = node.nodes, xm = (x1 + x2) * .5, ym = (y1 + y2) * .5, right = x >= xm, below = y >= ym;
+ for (var i = below << 1 | right, j = i + 4; i < j; ++i) {
+ if (node = children[i & 3]) switch (i & 3) {
+ case 0:
+ find(node, x1, y1, xm, ym);
+ break;
+
+ case 1:
+ find(node, xm, y1, x2, ym);
+ break;
+
+ case 2:
+ find(node, x1, ym, xm, y2);
+ break;
+
+ case 3:
+ find(node, xm, ym, x2, y2);
+ break;
+ }
+ }
+ })(root, x0, y0, x3, y3);
+ return closestPoint;
+ }
+ d3.interpolateRgb = d3_interpolateRgb;
+ function d3_interpolateRgb(a, b) {
+ a = d3.rgb(a);
+ b = d3.rgb(b);
+ var ar = a.r, ag = a.g, ab = a.b, br = b.r - ar, bg = b.g - ag, bb = b.b - ab;
+ return function(t) {
+ return "#" + d3_rgb_hex(Math.round(ar + br * t)) + d3_rgb_hex(Math.round(ag + bg * t)) + d3_rgb_hex(Math.round(ab + bb * t));
+ };
+ }
+ d3.interpolateObject = d3_interpolateObject;
+ function d3_interpolateObject(a, b) {
+ var i = {}, c = {}, k;
+ for (k in a) {
+ if (k in b) {
+ i[k] = d3_interpolate(a[k], b[k]);
+ } else {
+ c[k] = a[k];
+ }
+ }
+ for (k in b) {
+ if (!(k in a)) {
+ c[k] = b[k];
+ }
+ }
+ return function(t) {
+ for (k in i) c[k] = i[k](t);
+ return c;
+ };
+ }
+ d3.interpolateNumber = d3_interpolateNumber;
+ function d3_interpolateNumber(a, b) {
+ a = +a, b = +b;
+ return function(t) {
+ return a * (1 - t) + b * t;
+ };
+ }
+ d3.interpolateString = d3_interpolateString;
+ function d3_interpolateString(a, b) {
+ var bi = d3_interpolate_numberA.lastIndex = d3_interpolate_numberB.lastIndex = 0, am, bm, bs, i = -1, s = [], q = [];
+ a = a + "", b = b + "";
+ while ((am = d3_interpolate_numberA.exec(a)) && (bm = d3_interpolate_numberB.exec(b))) {
+ if ((bs = bm.index) > bi) {
+ bs = b.slice(bi, bs);
+ if (s[i]) s[i] += bs; else s[++i] = bs;
+ }
+ if ((am = am[0]) === (bm = bm[0])) {
+ if (s[i]) s[i] += bm; else s[++i] = bm;
+ } else {
+ s[++i] = null;
+ q.push({
+ i: i,
+ x: d3_interpolateNumber(am, bm)
+ });
+ }
+ bi = d3_interpolate_numberB.lastIndex;
+ }
+ if (bi < b.length) {
+ bs = b.slice(bi);
+ if (s[i]) s[i] += bs; else s[++i] = bs;
+ }
+ return s.length < 2 ? q[0] ? (b = q[0].x, function(t) {
+ return b(t) + "";
+ }) : function() {
+ return b;
+ } : (b = q.length, function(t) {
+ for (var i = 0, o; i < b; ++i) s[(o = q[i]).i] = o.x(t);
+ return s.join("");
+ });
+ }
+ var d3_interpolate_numberA = /[-+]?(?:\d+\.?\d*|\.?\d+)(?:[eE][-+]?\d+)?/g, d3_interpolate_numberB = new RegExp(d3_interpolate_numberA.source, "g");
+ d3.interpolate = d3_interpolate;
+ function d3_interpolate(a, b) {
+ var i = d3.interpolators.length, f;
+ while (--i >= 0 && !(f = d3.interpolators[i](a, b))) ;
+ return f;
+ }
+ d3.interpolators = [ function(a, b) {
+ var t = typeof b;
+ return (t === "string" ? d3_rgb_names.has(b) || /^(#|rgb\(|hsl\()/.test(b) ? d3_interpolateRgb : d3_interpolateString : b instanceof d3_color ? d3_interpolateRgb : Array.isArray(b) ? d3_interpolateArray : t === "object" && isNaN(b) ? d3_interpolateObject : d3_interpolateNumber)(a, b);
+ } ];
+ d3.interpolateArray = d3_interpolateArray;
+ function d3_interpolateArray(a, b) {
+ var x = [], c = [], na = a.length, nb = b.length, n0 = Math.min(a.length, b.length), i;
+ for (i = 0; i < n0; ++i) x.push(d3_interpolate(a[i], b[i]));
+ for (;i < na; ++i) c[i] = a[i];
+ for (;i < nb; ++i) c[i] = b[i];
+ return function(t) {
+ for (i = 0; i < n0; ++i) c[i] = x[i](t);
+ return c;
+ };
+ }
+ var d3_ease_default = function() {
+ return d3_identity;
+ };
+ var d3_ease = d3.map({
+ linear: d3_ease_default,
+ poly: d3_ease_poly,
+ quad: function() {
+ return d3_ease_quad;
+ },
+ cubic: function() {
+ return d3_ease_cubic;
+ },
+ sin: function() {
+ return d3_ease_sin;
+ },
+ exp: function() {
+ return d3_ease_exp;
+ },
+ circle: function() {
+ return d3_ease_circle;
+ },
+ elastic: d3_ease_elastic,
+ back: d3_ease_back,
+ bounce: function() {
+ return d3_ease_bounce;
+ }
+ });
+ var d3_ease_mode = d3.map({
+ "in": d3_identity,
+ out: d3_ease_reverse,
+ "in-out": d3_ease_reflect,
+ "out-in": function(f) {
+ return d3_ease_reflect(d3_ease_reverse(f));
+ }
+ });
+ d3.ease = function(name) {
+ var i = name.indexOf("-"), t = i >= 0 ? name.slice(0, i) : name, m = i >= 0 ? name.slice(i + 1) : "in";
+ t = d3_ease.get(t) || d3_ease_default;
+ m = d3_ease_mode.get(m) || d3_identity;
+ return d3_ease_clamp(m(t.apply(null, d3_arraySlice.call(arguments, 1))));
+ };
+ function d3_ease_clamp(f) {
+ return function(t) {
+ return t <= 0 ? 0 : t >= 1 ? 1 : f(t);
+ };
+ }
+ function d3_ease_reverse(f) {
+ return function(t) {
+ return 1 - f(1 - t);
+ };
+ }
+ function d3_ease_reflect(f) {
+ return function(t) {
+ return .5 * (t < .5 ? f(2 * t) : 2 - f(2 - 2 * t));
+ };
+ }
+ function d3_ease_quad(t) {
+ return t * t;
+ }
+ function d3_ease_cubic(t) {
+ return t * t * t;
+ }
+ function d3_ease_cubicInOut(t) {
+ if (t <= 0) return 0;
+ if (t >= 1) return 1;
+ var t2 = t * t, t3 = t2 * t;
+ return 4 * (t < .5 ? t3 : 3 * (t - t2) + t3 - .75);
+ }
+ function d3_ease_poly(e) {
+ return function(t) {
+ return Math.pow(t, e);
+ };
+ }
+ function d3_ease_sin(t) {
+ return 1 - Math.cos(t * halfπ);
+ }
+ function d3_ease_exp(t) {
+ return Math.pow(2, 10 * (t - 1));
+ }
+ function d3_ease_circle(t) {
+ return 1 - Math.sqrt(1 - t * t);
+ }
+ function d3_ease_elastic(a, p) {
+ var s;
+ if (arguments.length < 2) p = .45;
+ if (arguments.length) s = p / τ * Math.asin(1 / a); else a = 1, s = p / 4;
+ return function(t) {
+ return 1 + a * Math.pow(2, -10 * t) * Math.sin((t - s) * τ / p);
+ };
+ }
+ function d3_ease_back(s) {
+ if (!s) s = 1.70158;
+ return function(t) {
+ return t * t * ((s + 1) * t - s);
+ };
+ }
+ function d3_ease_bounce(t) {
+ return t < 1 / 2.75 ? 7.5625 * t * t : t < 2 / 2.75 ? 7.5625 * (t -= 1.5 / 2.75) * t + .75 : t < 2.5 / 2.75 ? 7.5625 * (t -= 2.25 / 2.75) * t + .9375 : 7.5625 * (t -= 2.625 / 2.75) * t + .984375;
+ }
+ d3.interpolateHcl = d3_interpolateHcl;
+ function d3_interpolateHcl(a, b) {
+ a = d3.hcl(a);
+ b = d3.hcl(b);
+ var ah = a.h, ac = a.c, al = a.l, bh = b.h - ah, bc = b.c - ac, bl = b.l - al;
+ if (isNaN(bc)) bc = 0, ac = isNaN(ac) ? b.c : ac;
+ if (isNaN(bh)) bh = 0, ah = isNaN(ah) ? b.h : ah; else if (bh > 180) bh -= 360; else if (bh < -180) bh += 360;
+ return function(t) {
+ return d3_hcl_lab(ah + bh * t, ac + bc * t, al + bl * t) + "";
+ };
+ }
+ d3.interpolateHsl = d3_interpolateHsl;
+ function d3_interpolateHsl(a, b) {
+ a = d3.hsl(a);
+ b = d3.hsl(b);
+ var ah = a.h, as = a.s, al = a.l, bh = b.h - ah, bs = b.s - as, bl = b.l - al;
+ if (isNaN(bs)) bs = 0, as = isNaN(as) ? b.s : as;
+ if (isNaN(bh)) bh = 0, ah = isNaN(ah) ? b.h : ah; else if (bh > 180) bh -= 360; else if (bh < -180) bh += 360;
+ return function(t) {
+ return d3_hsl_rgb(ah + bh * t, as + bs * t, al + bl * t) + "";
+ };
+ }
+ d3.interpolateLab = d3_interpolateLab;
+ function d3_interpolateLab(a, b) {
+ a = d3.lab(a);
+ b = d3.lab(b);
+ var al = a.l, aa = a.a, ab = a.b, bl = b.l - al, ba = b.a - aa, bb = b.b - ab;
+ return function(t) {
+ return d3_lab_rgb(al + bl * t, aa + ba * t, ab + bb * t) + "";
+ };
+ }
+ d3.interpolateRound = d3_interpolateRound;
+ function d3_interpolateRound(a, b) {
+ b -= a;
+ return function(t) {
+ return Math.round(a + b * t);
+ };
+ }
+ d3.transform = function(string) {
+ var g = d3_document.createElementNS(d3.ns.prefix.svg, "g");
+ return (d3.transform = function(string) {
+ if (string != null) {
+ g.setAttribute("transform", string);
+ var t = g.transform.baseVal.consolidate();
+ }
+ return new d3_transform(t ? t.matrix : d3_transformIdentity);
+ })(string);
+ };
+ function d3_transform(m) {
+ var r0 = [ m.a, m.b ], r1 = [ m.c, m.d ], kx = d3_transformNormalize(r0), kz = d3_transformDot(r0, r1), ky = d3_transformNormalize(d3_transformCombine(r1, r0, -kz)) || 0;
+ if (r0[0] * r1[1] < r1[0] * r0[1]) {
+ r0[0] *= -1;
+ r0[1] *= -1;
+ kx *= -1;
+ kz *= -1;
+ }
+ this.rotate = (kx ? Math.atan2(r0[1], r0[0]) : Math.atan2(-r1[0], r1[1])) * d3_degrees;
+ this.translate = [ m.e, m.f ];
+ this.scale = [ kx, ky ];
+ this.skew = ky ? Math.atan2(kz, ky) * d3_degrees : 0;
+ }
+ d3_transform.prototype.toString = function() {
+ return "translate(" + this.translate + ")rotate(" + this.rotate + ")skewX(" + this.skew + ")scale(" + this.scale + ")";
+ };
+ function d3_transformDot(a, b) {
+ return a[0] * b[0] + a[1] * b[1];
+ }
+ function d3_transformNormalize(a) {
+ var k = Math.sqrt(d3_transformDot(a, a));
+ if (k) {
+ a[0] /= k;
+ a[1] /= k;
+ }
+ return k;
+ }
+ function d3_transformCombine(a, b, k) {
+ a[0] += k * b[0];
+ a[1] += k * b[1];
+ return a;
+ }
+ var d3_transformIdentity = {
+ a: 1,
+ b: 0,
+ c: 0,
+ d: 1,
+ e: 0,
+ f: 0
+ };
+ d3.interpolateTransform = d3_interpolateTransform;
+ function d3_interpolateTransform(a, b) {
+ var s = [], q = [], n, A = d3.transform(a), B = d3.transform(b), ta = A.translate, tb = B.translate, ra = A.rotate, rb = B.rotate, wa = A.skew, wb = B.skew, ka = A.scale, kb = B.scale;
+ if (ta[0] != tb[0] || ta[1] != tb[1]) {
+ s.push("translate(", null, ",", null, ")");
+ q.push({
+ i: 1,
+ x: d3_interpolateNumber(ta[0], tb[0])
+ }, {
+ i: 3,
+ x: d3_interpolateNumber(ta[1], tb[1])
+ });
+ } else if (tb[0] || tb[1]) {
+ s.push("translate(" + tb + ")");
+ } else {
+ s.push("");
+ }
+ if (ra != rb) {
+ if (ra - rb > 180) rb += 360; else if (rb - ra > 180) ra += 360;
+ q.push({
+ i: s.push(s.pop() + "rotate(", null, ")") - 2,
+ x: d3_interpolateNumber(ra, rb)
+ });
+ } else if (rb) {
+ s.push(s.pop() + "rotate(" + rb + ")");
+ }
+ if (wa != wb) {
+ q.push({
+ i: s.push(s.pop() + "skewX(", null, ")") - 2,
+ x: d3_interpolateNumber(wa, wb)
+ });
+ } else if (wb) {
+ s.push(s.pop() + "skewX(" + wb + ")");
+ }
+ if (ka[0] != kb[0] || ka[1] != kb[1]) {
+ n = s.push(s.pop() + "scale(", null, ",", null, ")");
+ q.push({
+ i: n - 4,
+ x: d3_interpolateNumber(ka[0], kb[0])
+ }, {
+ i: n - 2,
+ x: d3_interpolateNumber(ka[1], kb[1])
+ });
+ } else if (kb[0] != 1 || kb[1] != 1) {
+ s.push(s.pop() + "scale(" + kb + ")");
+ }
+ n = q.length;
+ return function(t) {
+ var i = -1, o;
+ while (++i < n) s[(o = q[i]).i] = o.x(t);
+ return s.join("");
+ };
+ }
+ function d3_uninterpolateNumber(a, b) {
+ b = (b -= a = +a) || 1 / b;
+ return function(x) {
+ return (x - a) / b;
+ };
+ }
+ function d3_uninterpolateClamp(a, b) {
+ b = (b -= a = +a) || 1 / b;
+ return function(x) {
+ return Math.max(0, Math.min(1, (x - a) / b));
+ };
+ }
+ d3.layout = {};
+ d3.layout.bundle = function() {
+ return function(links) {
+ var paths = [], i = -1, n = links.length;
+ while (++i < n) paths.push(d3_layout_bundlePath(links[i]));
+ return paths;
+ };
+ };
+ function d3_layout_bundlePath(link) {
+ var start = link.source, end = link.target, lca = d3_layout_bundleLeastCommonAncestor(start, end), points = [ start ];
+ while (start !== lca) {
+ start = start.parent;
+ points.push(start);
+ }
+ var k = points.length;
+ while (end !== lca) {
+ points.splice(k, 0, end);
+ end = end.parent;
+ }
+ return points;
+ }
+ function d3_layout_bundleAncestors(node) {
+ var ancestors = [], parent = node.parent;
+ while (parent != null) {
+ ancestors.push(node);
+ node = parent;
+ parent = parent.parent;
+ }
+ ancestors.push(node);
+ return ancestors;
+ }
+ function d3_layout_bundleLeastCommonAncestor(a, b) {
+ if (a === b) return a;
+ var aNodes = d3_layout_bundleAncestors(a), bNodes = d3_layout_bundleAncestors(b), aNode = aNodes.pop(), bNode = bNodes.pop(), sharedNode = null;
+ while (aNode === bNode) {
+ sharedNode = aNode;
+ aNode = aNodes.pop();
+ bNode = bNodes.pop();
+ }
+ return sharedNode;
+ }
+ d3.layout.chord = function() {
+ var chord = {}, chords, groups, matrix, n, padding = 0, sortGroups, sortSubgroups, sortChords;
+ function relayout() {
+ var subgroups = {}, groupSums = [], groupIndex = d3.range(n), subgroupIndex = [], k, x, x0, i, j;
+ chords = [];
+ groups = [];
+ k = 0, i = -1;
+ while (++i < n) {
+ x = 0, j = -1;
+ while (++j < n) {
+ x += matrix[i][j];
+ }
+ groupSums.push(x);
+ subgroupIndex.push(d3.range(n));
+ k += x;
+ }
+ if (sortGroups) {
+ groupIndex.sort(function(a, b) {
+ return sortGroups(groupSums[a], groupSums[b]);
+ });
+ }
+ if (sortSubgroups) {
+ subgroupIndex.forEach(function(d, i) {
+ d.sort(function(a, b) {
+ return sortSubgroups(matrix[i][a], matrix[i][b]);
+ });
+ });
+ }
+ k = (τ - padding * n) / k;
+ x = 0, i = -1;
+ while (++i < n) {
+ x0 = x, j = -1;
+ while (++j < n) {
+ var di = groupIndex[i], dj = subgroupIndex[di][j], v = matrix[di][dj], a0 = x, a1 = x += v * k;
+ subgroups[di + "-" + dj] = {
+ index: di,
+ subindex: dj,
+ startAngle: a0,
+ endAngle: a1,
+ value: v
+ };
+ }
+ groups[di] = {
+ index: di,
+ startAngle: x0,
+ endAngle: x,
+ value: (x - x0) / k
+ };
+ x += padding;
+ }
+ i = -1;
+ while (++i < n) {
+ j = i - 1;
+ while (++j < n) {
+ var source = subgroups[i + "-" + j], target = subgroups[j + "-" + i];
+ if (source.value || target.value) {
+ chords.push(source.value < target.value ? {
+ source: target,
+ target: source
+ } : {
+ source: source,
+ target: target
+ });
+ }
+ }
+ }
+ if (sortChords) resort();
+ }
+ function resort() {
+ chords.sort(function(a, b) {
+ return sortChords((a.source.value + a.target.value) / 2, (b.source.value + b.target.value) / 2);
+ });
+ }
+ chord.matrix = function(x) {
+ if (!arguments.length) return matrix;
+ n = (matrix = x) && matrix.length;
+ chords = groups = null;
+ return chord;
+ };
+ chord.padding = function(x) {
+ if (!arguments.length) return padding;
+ padding = x;
+ chords = groups = null;
+ return chord;
+ };
+ chord.sortGroups = function(x) {
+ if (!arguments.length) return sortGroups;
+ sortGroups = x;
+ chords = groups = null;
+ return chord;
+ };
+ chord.sortSubgroups = function(x) {
+ if (!arguments.length) return sortSubgroups;
+ sortSubgroups = x;
+ chords = null;
+ return chord;
+ };
+ chord.sortChords = function(x) {
+ if (!arguments.length) return sortChords;
+ sortChords = x;
+ if (chords) resort();
+ return chord;
+ };
+ chord.chords = function() {
+ if (!chords) relayout();
+ return chords;
+ };
+ chord.groups = function() {
+ if (!groups) relayout();
+ return groups;
+ };
+ return chord;
+ };
+ d3.layout.force = function() {
+ var force = {}, event = d3.dispatch("start", "tick", "end"), size = [ 1, 1 ], drag, alpha, friction = .9, linkDistance = d3_layout_forceLinkDistance, linkStrength = d3_layout_forceLinkStrength, charge = -30, chargeDistance2 = d3_layout_forceChargeDistance2, gravity = .1, theta2 = .64, nodes = [], links = [], distances, strengths, charges;
+ function repulse(node) {
+ return function(quad, x1, _, x2) {
+ if (quad.point !== node) {
+ var dx = quad.cx - node.x, dy = quad.cy - node.y, dw = x2 - x1, dn = dx * dx + dy * dy;
+ if (dw * dw / theta2 < dn) {
+ if (dn < chargeDistance2) {
+ var k = quad.charge / dn;
+ node.px -= dx * k;
+ node.py -= dy * k;
+ }
+ return true;
+ }
+ if (quad.point && dn && dn < chargeDistance2) {
+ var k = quad.pointCharge / dn;
+ node.px -= dx * k;
+ node.py -= dy * k;
+ }
+ }
+ return !quad.charge;
+ };
+ }
+ force.tick = function() {
+ if ((alpha *= .99) < .005) {
+ event.end({
+ type: "end",
+ alpha: alpha = 0
+ });
+ return true;
+ }
+ var n = nodes.length, m = links.length, q, i, o, s, t, l, k, x, y;
+ for (i = 0; i < m; ++i) {
+ o = links[i];
+ s = o.source;
+ t = o.target;
+ x = t.x - s.x;
+ y = t.y - s.y;
+ if (l = x * x + y * y) {
+ l = alpha * strengths[i] * ((l = Math.sqrt(l)) - distances[i]) / l;
+ x *= l;
+ y *= l;
+ t.x -= x * (k = s.weight / (t.weight + s.weight));
+ t.y -= y * k;
+ s.x += x * (k = 1 - k);
+ s.y += y * k;
+ }
+ }
+ if (k = alpha * gravity) {
+ x = size[0] / 2;
+ y = size[1] / 2;
+ i = -1;
+ if (k) while (++i < n) {
+ o = nodes[i];
+ o.x += (x - o.x) * k;
+ o.y += (y - o.y) * k;
+ }
+ }
+ if (charge) {
+ d3_layout_forceAccumulate(q = d3.geom.quadtree(nodes), alpha, charges);
+ i = -1;
+ while (++i < n) {
+ if (!(o = nodes[i]).fixed) {
+ q.visit(repulse(o));
+ }
+ }
+ }
+ i = -1;
+ while (++i < n) {
+ o = nodes[i];
+ if (o.fixed) {
+ o.x = o.px;
+ o.y = o.py;
+ } else {
+ o.x -= (o.px - (o.px = o.x)) * friction;
+ o.y -= (o.py - (o.py = o.y)) * friction;
+ }
+ }
+ event.tick({
+ type: "tick",
+ alpha: alpha
+ });
+ };
+ force.nodes = function(x) {
+ if (!arguments.length) return nodes;
+ nodes = x;
+ return force;
+ };
+ force.links = function(x) {
+ if (!arguments.length) return links;
+ links = x;
+ return force;
+ };
+ force.size = function(x) {
+ if (!arguments.length) return size;
+ size = x;
+ return force;
+ };
+ force.linkDistance = function(x) {
+ if (!arguments.length) return linkDistance;
+ linkDistance = typeof x === "function" ? x : +x;
+ return force;
+ };
+ force.distance = force.linkDistance;
+ force.linkStrength = function(x) {
+ if (!arguments.length) return linkStrength;
+ linkStrength = typeof x === "function" ? x : +x;
+ return force;
+ };
+ force.friction = function(x) {
+ if (!arguments.length) return friction;
+ friction = +x;
+ return force;
+ };
+ force.charge = function(x) {
+ if (!arguments.length) return charge;
+ charge = typeof x === "function" ? x : +x;
+ return force;
+ };
+ force.chargeDistance = function(x) {
+ if (!arguments.length) return Math.sqrt(chargeDistance2);
+ chargeDistance2 = x * x;
+ return force;
+ };
+ force.gravity = function(x) {
+ if (!arguments.length) return gravity;
+ gravity = +x;
+ return force;
+ };
+ force.theta = function(x) {
+ if (!arguments.length) return Math.sqrt(theta2);
+ theta2 = x * x;
+ return force;
+ };
+ force.alpha = function(x) {
+ if (!arguments.length) return alpha;
+ x = +x;
+ if (alpha) {
+ if (x > 0) alpha = x; else alpha = 0;
+ } else if (x > 0) {
+ event.start({
+ type: "start",
+ alpha: alpha = x
+ });
+ d3.timer(force.tick);
+ }
+ return force;
+ };
+ force.start = function() {
+ var i, n = nodes.length, m = links.length, w = size[0], h = size[1], neighbors, o;
+ for (i = 0; i < n; ++i) {
+ (o = nodes[i]).index = i;
+ o.weight = 0;
+ }
+ for (i = 0; i < m; ++i) {
+ o = links[i];
+ if (typeof o.source == "number") o.source = nodes[o.source];
+ if (typeof o.target == "number") o.target = nodes[o.target];
+ ++o.source.weight;
+ ++o.target.weight;
+ }
+ for (i = 0; i < n; ++i) {
+ o = nodes[i];
+ if (isNaN(o.x)) o.x = position("x", w);
+ if (isNaN(o.y)) o.y = position("y", h);
+ if (isNaN(o.px)) o.px = o.x;
+ if (isNaN(o.py)) o.py = o.y;
+ }
+ distances = [];
+ if (typeof linkDistance === "function") for (i = 0; i < m; ++i) distances[i] = +linkDistance.call(this, links[i], i); else for (i = 0; i < m; ++i) distances[i] = linkDistance;
+ strengths = [];
+ if (typeof linkStrength === "function") for (i = 0; i < m; ++i) strengths[i] = +linkStrength.call(this, links[i], i); else for (i = 0; i < m; ++i) strengths[i] = linkStrength;
+ charges = [];
+ if (typeof charge === "function") for (i = 0; i < n; ++i) charges[i] = +charge.call(this, nodes[i], i); else for (i = 0; i < n; ++i) charges[i] = charge;
+ function position(dimension, size) {
+ if (!neighbors) {
+ neighbors = new Array(n);
+ for (j = 0; j < n; ++j) {
+ neighbors[j] = [];
+ }
+ for (j = 0; j < m; ++j) {
+ var o = links[j];
+ neighbors[o.source.index].push(o.target);
+ neighbors[o.target.index].push(o.source);
+ }
+ }
+ var candidates = neighbors[i], j = -1, m = candidates.length, x;
+ while (++j < m) if (!isNaN(x = candidates[j][dimension])) return x;
+ return Math.random() * size;
+ }
+ return force.resume();
+ };
+ force.resume = function() {
+ return force.alpha(.1);
+ };
+ force.stop = function() {
+ return force.alpha(0);
+ };
+ force.drag = function() {
+ if (!drag) drag = d3.behavior.drag().origin(d3_identity).on("dragstart.force", d3_layout_forceDragstart).on("drag.force", dragmove).on("dragend.force", d3_layout_forceDragend);
+ if (!arguments.length) return drag;
+ this.on("mouseover.force", d3_layout_forceMouseover).on("mouseout.force", d3_layout_forceMouseout).call(drag);
+ };
+ function dragmove(d) {
+ d.px = d3.event.x, d.py = d3.event.y;
+ force.resume();
+ }
+ return d3.rebind(force, event, "on");
+ };
+ function d3_layout_forceDragstart(d) {
+ d.fixed |= 2;
+ }
+ function d3_layout_forceDragend(d) {
+ d.fixed &= ~6;
+ }
+ function d3_layout_forceMouseover(d) {
+ d.fixed |= 4;
+ d.px = d.x, d.py = d.y;
+ }
+ function d3_layout_forceMouseout(d) {
+ d.fixed &= ~4;
+ }
+ function d3_layout_forceAccumulate(quad, alpha, charges) {
+ var cx = 0, cy = 0;
+ quad.charge = 0;
+ if (!quad.leaf) {
+ var nodes = quad.nodes, n = nodes.length, i = -1, c;
+ while (++i < n) {
+ c = nodes[i];
+ if (c == null) continue;
+ d3_layout_forceAccumulate(c, alpha, charges);
+ quad.charge += c.charge;
+ cx += c.charge * c.cx;
+ cy += c.charge * c.cy;
+ }
+ }
+ if (quad.point) {
+ if (!quad.leaf) {
+ quad.point.x += Math.random() - .5;
+ quad.point.y += Math.random() - .5;
+ }
+ var k = alpha * charges[quad.point.index];
+ quad.charge += quad.pointCharge = k;
+ cx += k * quad.point.x;
+ cy += k * quad.point.y;
+ }
+ quad.cx = cx / quad.charge;
+ quad.cy = cy / quad.charge;
+ }
+ var d3_layout_forceLinkDistance = 20, d3_layout_forceLinkStrength = 1, d3_layout_forceChargeDistance2 = Infinity;
+ d3.layout.hierarchy = function() {
+ var sort = d3_layout_hierarchySort, children = d3_layout_hierarchyChildren, value = d3_layout_hierarchyValue;
+ function hierarchy(root) {
+ var stack = [ root ], nodes = [], node;
+ root.depth = 0;
+ while ((node = stack.pop()) != null) {
+ nodes.push(node);
+ if ((childs = children.call(hierarchy, node, node.depth)) && (n = childs.length)) {
+ var n, childs, child;
+ while (--n >= 0) {
+ stack.push(child = childs[n]);
+ child.parent = node;
+ child.depth = node.depth + 1;
+ }
+ if (value) node.value = 0;
+ node.children = childs;
+ } else {
+ if (value) node.value = +value.call(hierarchy, node, node.depth) || 0;
+ delete node.children;
+ }
+ }
+ d3_layout_hierarchyVisitAfter(root, function(node) {
+ var childs, parent;
+ if (sort && (childs = node.children)) childs.sort(sort);
+ if (value && (parent = node.parent)) parent.value += node.value;
+ });
+ return nodes;
+ }
+ hierarchy.sort = function(x) {
+ if (!arguments.length) return sort;
+ sort = x;
+ return hierarchy;
+ };
+ hierarchy.children = function(x) {
+ if (!arguments.length) return children;
+ children = x;
+ return hierarchy;
+ };
+ hierarchy.value = function(x) {
+ if (!arguments.length) return value;
+ value = x;
+ return hierarchy;
+ };
+ hierarchy.revalue = function(root) {
+ if (value) {
+ d3_layout_hierarchyVisitBefore(root, function(node) {
+ if (node.children) node.value = 0;
+ });
+ d3_layout_hierarchyVisitAfter(root, function(node) {
+ var parent;
+ if (!node.children) node.value = +value.call(hierarchy, node, node.depth) || 0;
+ if (parent = node.parent) parent.value += node.value;
+ });
+ }
+ return root;
+ };
+ return hierarchy;
+ };
+ function d3_layout_hierarchyRebind(object, hierarchy) {
+ d3.rebind(object, hierarchy, "sort", "children", "value");
+ object.nodes = object;
+ object.links = d3_layout_hierarchyLinks;
+ return object;
+ }
+ function d3_layout_hierarchyVisitBefore(node, callback) {
+ var nodes = [ node ];
+ while ((node = nodes.pop()) != null) {
+ callback(node);
+ if ((children = node.children) && (n = children.length)) {
+ var n, children;
+ while (--n >= 0) nodes.push(children[n]);
+ }
+ }
+ }
+ function d3_layout_hierarchyVisitAfter(node, callback) {
+ var nodes = [ node ], nodes2 = [];
+ while ((node = nodes.pop()) != null) {
+ nodes2.push(node);
+ if ((children = node.children) && (n = children.length)) {
+ var i = -1, n, children;
+ while (++i < n) nodes.push(children[i]);
+ }
+ }
+ while ((node = nodes2.pop()) != null) {
+ callback(node);
+ }
+ }
+ function d3_layout_hierarchyChildren(d) {
+ return d.children;
+ }
+ function d3_layout_hierarchyValue(d) {
+ return d.value;
+ }
+ function d3_layout_hierarchySort(a, b) {
+ return b.value - a.value;
+ }
+ function d3_layout_hierarchyLinks(nodes) {
+ return d3.merge(nodes.map(function(parent) {
+ return (parent.children || []).map(function(child) {
+ return {
+ source: parent,
+ target: child
+ };
+ });
+ }));
+ }
+ d3.layout.partition = function() {
+ var hierarchy = d3.layout.hierarchy(), size = [ 1, 1 ];
+ function position(node, x, dx, dy) {
+ var children = node.children;
+ node.x = x;
+ node.y = node.depth * dy;
+ node.dx = dx;
+ node.dy = dy;
+ if (children && (n = children.length)) {
+ var i = -1, n, c, d;
+ dx = node.value ? dx / node.value : 0;
+ while (++i < n) {
+ position(c = children[i], x, d = c.value * dx, dy);
+ x += d;
+ }
+ }
+ }
+ function depth(node) {
+ var children = node.children, d = 0;
+ if (children && (n = children.length)) {
+ var i = -1, n;
+ while (++i < n) d = Math.max(d, depth(children[i]));
+ }
+ return 1 + d;
+ }
+ function partition(d, i) {
+ var nodes = hierarchy.call(this, d, i);
+ position(nodes[0], 0, size[0], size[1] / depth(nodes[0]));
+ return nodes;
+ }
+ partition.size = function(x) {
+ if (!arguments.length) return size;
+ size = x;
+ return partition;
+ };
+ return d3_layout_hierarchyRebind(partition, hierarchy);
+ };
+ d3.layout.pie = function() {
+ var value = Number, sort = d3_layout_pieSortByValue, startAngle = 0, endAngle = τ, padAngle = 0;
+ function pie(data) {
+ var n = data.length, values = data.map(function(d, i) {
+ return +value.call(pie, d, i);
+ }), a = +(typeof startAngle === "function" ? startAngle.apply(this, arguments) : startAngle), da = (typeof endAngle === "function" ? endAngle.apply(this, arguments) : endAngle) - a, p = Math.min(Math.abs(da) / n, +(typeof padAngle === "function" ? padAngle.apply(this, arguments) : padAngle)), pa = p * (da < 0 ? -1 : 1), k = (da - n * pa) / d3.sum(values), index = d3.range(n), arcs = [], v;
+ if (sort != null) index.sort(sort === d3_layout_pieSortByValue ? function(i, j) {
+ return values[j] - values[i];
+ } : function(i, j) {
+ return sort(data[i], data[j]);
+ });
+ index.forEach(function(i) {
+ arcs[i] = {
+ data: data[i],
+ value: v = values[i],
+ startAngle: a,
+ endAngle: a += v * k + pa,
+ padAngle: p
+ };
+ });
+ return arcs;
+ }
+ pie.value = function(_) {
+ if (!arguments.length) return value;
+ value = _;
+ return pie;
+ };
+ pie.sort = function(_) {
+ if (!arguments.length) return sort;
+ sort = _;
+ return pie;
+ };
+ pie.startAngle = function(_) {
+ if (!arguments.length) return startAngle;
+ startAngle = _;
+ return pie;
+ };
+ pie.endAngle = function(_) {
+ if (!arguments.length) return endAngle;
+ endAngle = _;
+ return pie;
+ };
+ pie.padAngle = function(_) {
+ if (!arguments.length) return padAngle;
+ padAngle = _;
+ return pie;
+ };
+ return pie;
+ };
+ var d3_layout_pieSortByValue = {};
+ d3.layout.stack = function() {
+ var values = d3_identity, order = d3_layout_stackOrderDefault, offset = d3_layout_stackOffsetZero, out = d3_layout_stackOut, x = d3_layout_stackX, y = d3_layout_stackY;
+ function stack(data, index) {
+ if (!(n = data.length)) return data;
+ var series = data.map(function(d, i) {
+ return values.call(stack, d, i);
+ });
+ var points = series.map(function(d) {
+ return d.map(function(v, i) {
+ return [ x.call(stack, v, i), y.call(stack, v, i) ];
+ });
+ });
+ var orders = order.call(stack, points, index);
+ series = d3.permute(series, orders);
+ points = d3.permute(points, orders);
+ var offsets = offset.call(stack, points, index);
+ var m = series[0].length, n, i, j, o;
+ for (j = 0; j < m; ++j) {
+ out.call(stack, series[0][j], o = offsets[j], points[0][j][1]);
+ for (i = 1; i < n; ++i) {
+ out.call(stack, series[i][j], o += points[i - 1][j][1], points[i][j][1]);
+ }
+ }
+ return data;
+ }
+ stack.values = function(x) {
+ if (!arguments.length) return values;
+ values = x;
+ return stack;
+ };
+ stack.order = function(x) {
+ if (!arguments.length) return order;
+ order = typeof x === "function" ? x : d3_layout_stackOrders.get(x) || d3_layout_stackOrderDefault;
+ return stack;
+ };
+ stack.offset = function(x) {
+ if (!arguments.length) return offset;
+ offset = typeof x === "function" ? x : d3_layout_stackOffsets.get(x) || d3_layout_stackOffsetZero;
+ return stack;
+ };
+ stack.x = function(z) {
+ if (!arguments.length) return x;
+ x = z;
+ return stack;
+ };
+ stack.y = function(z) {
+ if (!arguments.length) return y;
+ y = z;
+ return stack;
+ };
+ stack.out = function(z) {
+ if (!arguments.length) return out;
+ out = z;
+ return stack;
+ };
+ return stack;
+ };
+ function d3_layout_stackX(d) {
+ return d.x;
+ }
+ function d3_layout_stackY(d) {
+ return d.y;
+ }
+ function d3_layout_stackOut(d, y0, y) {
+ d.y0 = y0;
+ d.y = y;
+ }
+ var d3_layout_stackOrders = d3.map({
+ "inside-out": function(data) {
+ var n = data.length, i, j, max = data.map(d3_layout_stackMaxIndex), sums = data.map(d3_layout_stackReduceSum), index = d3.range(n).sort(function(a, b) {
+ return max[a] - max[b];
+ }), top = 0, bottom = 0, tops = [], bottoms = [];
+ for (i = 0; i < n; ++i) {
+ j = index[i];
+ if (top < bottom) {
+ top += sums[j];
+ tops.push(j);
+ } else {
+ bottom += sums[j];
+ bottoms.push(j);
+ }
+ }
+ return bottoms.reverse().concat(tops);
+ },
+ reverse: function(data) {
+ return d3.range(data.length).reverse();
+ },
+ "default": d3_layout_stackOrderDefault
+ });
+ var d3_layout_stackOffsets = d3.map({
+ silhouette: function(data) {
+ var n = data.length, m = data[0].length, sums = [], max = 0, i, j, o, y0 = [];
+ for (j = 0; j < m; ++j) {
+ for (i = 0, o = 0; i < n; i++) o += data[i][j][1];
+ if (o > max) max = o;
+ sums.push(o);
+ }
+ for (j = 0; j < m; ++j) {
+ y0[j] = (max - sums[j]) / 2;
+ }
+ return y0;
+ },
+ wiggle: function(data) {
+ var n = data.length, x = data[0], m = x.length, i, j, k, s1, s2, s3, dx, o, o0, y0 = [];
+ y0[0] = o = o0 = 0;
+ for (j = 1; j < m; ++j) {
+ for (i = 0, s1 = 0; i < n; ++i) s1 += data[i][j][1];
+ for (i = 0, s2 = 0, dx = x[j][0] - x[j - 1][0]; i < n; ++i) {
+ for (k = 0, s3 = (data[i][j][1] - data[i][j - 1][1]) / (2 * dx); k < i; ++k) {
+ s3 += (data[k][j][1] - data[k][j - 1][1]) / dx;
+ }
+ s2 += s3 * data[i][j][1];
+ }
+ y0[j] = o -= s1 ? s2 / s1 * dx : 0;
+ if (o < o0) o0 = o;
+ }
+ for (j = 0; j < m; ++j) y0[j] -= o0;
+ return y0;
+ },
+ expand: function(data) {
+ var n = data.length, m = data[0].length, k = 1 / n, i, j, o, y0 = [];
+ for (j = 0; j < m; ++j) {
+ for (i = 0, o = 0; i < n; i++) o += data[i][j][1];
+ if (o) for (i = 0; i < n; i++) data[i][j][1] /= o; else for (i = 0; i < n; i++) data[i][j][1] = k;
+ }
+ for (j = 0; j < m; ++j) y0[j] = 0;
+ return y0;
+ },
+ zero: d3_layout_stackOffsetZero
+ });
+ function d3_layout_stackOrderDefault(data) {
+ return d3.range(data.length);
+ }
+ function d3_layout_stackOffsetZero(data) {
+ var j = -1, m = data[0].length, y0 = [];
+ while (++j < m) y0[j] = 0;
+ return y0;
+ }
+ function d3_layout_stackMaxIndex(array) {
+ var i = 1, j = 0, v = array[0][1], k, n = array.length;
+ for (;i < n; ++i) {
+ if ((k = array[i][1]) > v) {
+ j = i;
+ v = k;
+ }
+ }
+ return j;
+ }
+ function d3_layout_stackReduceSum(d) {
+ return d.reduce(d3_layout_stackSum, 0);
+ }
+ function d3_layout_stackSum(p, d) {
+ return p + d[1];
+ }
+ d3.layout.histogram = function() {
+ var frequency = true, valuer = Number, ranger = d3_layout_histogramRange, binner = d3_layout_histogramBinSturges;
+ function histogram(data, i) {
+ var bins = [], values = data.map(valuer, this), range = ranger.call(this, values, i), thresholds = binner.call(this, range, values, i), bin, i = -1, n = values.length, m = thresholds.length - 1, k = frequency ? 1 : 1 / n, x;
+ while (++i < m) {
+ bin = bins[i] = [];
+ bin.dx = thresholds[i + 1] - (bin.x = thresholds[i]);
+ bin.y = 0;
+ }
+ if (m > 0) {
+ i = -1;
+ while (++i < n) {
+ x = values[i];
+ if (x >= range[0] && x <= range[1]) {
+ bin = bins[d3.bisect(thresholds, x, 1, m) - 1];
+ bin.y += k;
+ bin.push(data[i]);
+ }
+ }
+ }
+ return bins;
+ }
+ histogram.value = function(x) {
+ if (!arguments.length) return valuer;
+ valuer = x;
+ return histogram;
+ };
+ histogram.range = function(x) {
+ if (!arguments.length) return ranger;
+ ranger = d3_functor(x);
+ return histogram;
+ };
+ histogram.bins = function(x) {
+ if (!arguments.length) return binner;
+ binner = typeof x === "number" ? function(range) {
+ return d3_layout_histogramBinFixed(range, x);
+ } : d3_functor(x);
+ return histogram;
+ };
+ histogram.frequency = function(x) {
+ if (!arguments.length) return frequency;
+ frequency = !!x;
+ return histogram;
+ };
+ return histogram;
+ };
+ function d3_layout_histogramBinSturges(range, values) {
+ return d3_layout_histogramBinFixed(range, Math.ceil(Math.log(values.length) / Math.LN2 + 1));
+ }
+ function d3_layout_histogramBinFixed(range, n) {
+ var x = -1, b = +range[0], m = (range[1] - b) / n, f = [];
+ while (++x <= n) f[x] = m * x + b;
+ return f;
+ }
+ function d3_layout_histogramRange(values) {
+ return [ d3.min(values), d3.max(values) ];
+ }
+ d3.layout.pack = function() {
+ var hierarchy = d3.layout.hierarchy().sort(d3_layout_packSort), padding = 0, size = [ 1, 1 ], radius;
+ function pack(d, i) {
+ var nodes = hierarchy.call(this, d, i), root = nodes[0], w = size[0], h = size[1], r = radius == null ? Math.sqrt : typeof radius === "function" ? radius : function() {
+ return radius;
+ };
+ root.x = root.y = 0;
+ d3_layout_hierarchyVisitAfter(root, function(d) {
+ d.r = +r(d.value);
+ });
+ d3_layout_hierarchyVisitAfter(root, d3_layout_packSiblings);
+ if (padding) {
+ var dr = padding * (radius ? 1 : Math.max(2 * root.r / w, 2 * root.r / h)) / 2;
+ d3_layout_hierarchyVisitAfter(root, function(d) {
+ d.r += dr;
+ });
+ d3_layout_hierarchyVisitAfter(root, d3_layout_packSiblings);
+ d3_layout_hierarchyVisitAfter(root, function(d) {
+ d.r -= dr;
+ });
+ }
+ d3_layout_packTransform(root, w / 2, h / 2, radius ? 1 : 1 / Math.max(2 * root.r / w, 2 * root.r / h));
+ return nodes;
+ }
+ pack.size = function(_) {
+ if (!arguments.length) return size;
+ size = _;
+ return pack;
+ };
+ pack.radius = function(_) {
+ if (!arguments.length) return radius;
+ radius = _ == null || typeof _ === "function" ? _ : +_;
+ return pack;
+ };
+ pack.padding = function(_) {
+ if (!arguments.length) return padding;
+ padding = +_;
+ return pack;
+ };
+ return d3_layout_hierarchyRebind(pack, hierarchy);
+ };
+ function d3_layout_packSort(a, b) {
+ return a.value - b.value;
+ }
+ function d3_layout_packInsert(a, b) {
+ var c = a._pack_next;
+ a._pack_next = b;
+ b._pack_prev = a;
+ b._pack_next = c;
+ c._pack_prev = b;
+ }
+ function d3_layout_packSplice(a, b) {
+ a._pack_next = b;
+ b._pack_prev = a;
+ }
+ function d3_layout_packIntersects(a, b) {
+ var dx = b.x - a.x, dy = b.y - a.y, dr = a.r + b.r;
+ return .999 * dr * dr > dx * dx + dy * dy;
+ }
+ function d3_layout_packSiblings(node) {
+ if (!(nodes = node.children) || !(n = nodes.length)) return;
+ var nodes, xMin = Infinity, xMax = -Infinity, yMin = Infinity, yMax = -Infinity, a, b, c, i, j, k, n;
+ function bound(node) {
+ xMin = Math.min(node.x - node.r, xMin);
+ xMax = Math.max(node.x + node.r, xMax);
+ yMin = Math.min(node.y - node.r, yMin);
+ yMax = Math.max(node.y + node.r, yMax);
+ }
+ nodes.forEach(d3_layout_packLink);
+ a = nodes[0];
+ a.x = -a.r;
+ a.y = 0;
+ bound(a);
+ if (n > 1) {
+ b = nodes[1];
+ b.x = b.r;
+ b.y = 0;
+ bound(b);
+ if (n > 2) {
+ c = nodes[2];
+ d3_layout_packPlace(a, b, c);
+ bound(c);
+ d3_layout_packInsert(a, c);
+ a._pack_prev = c;
+ d3_layout_packInsert(c, b);
+ b = a._pack_next;
+ for (i = 3; i < n; i++) {
+ d3_layout_packPlace(a, b, c = nodes[i]);
+ var isect = 0, s1 = 1, s2 = 1;
+ for (j = b._pack_next; j !== b; j = j._pack_next, s1++) {
+ if (d3_layout_packIntersects(j, c)) {
+ isect = 1;
+ break;
+ }
+ }
+ if (isect == 1) {
+ for (k = a._pack_prev; k !== j._pack_prev; k = k._pack_prev, s2++) {
+ if (d3_layout_packIntersects(k, c)) {
+ break;
+ }
+ }
+ }
+ if (isect) {
+ if (s1 < s2 || s1 == s2 && b.r < a.r) d3_layout_packSplice(a, b = j); else d3_layout_packSplice(a = k, b);
+ i--;
+ } else {
+ d3_layout_packInsert(a, c);
+ b = c;
+ bound(c);
+ }
+ }
+ }
+ }
+ var cx = (xMin + xMax) / 2, cy = (yMin + yMax) / 2, cr = 0;
+ for (i = 0; i < n; i++) {
+ c = nodes[i];
+ c.x -= cx;
+ c.y -= cy;
+ cr = Math.max(cr, c.r + Math.sqrt(c.x * c.x + c.y * c.y));
+ }
+ node.r = cr;
+ nodes.forEach(d3_layout_packUnlink);
+ }
+ function d3_layout_packLink(node) {
+ node._pack_next = node._pack_prev = node;
+ }
+ function d3_layout_packUnlink(node) {
+ delete node._pack_next;
+ delete node._pack_prev;
+ }
+ function d3_layout_packTransform(node, x, y, k) {
+ var children = node.children;
+ node.x = x += k * node.x;
+ node.y = y += k * node.y;
+ node.r *= k;
+ if (children) {
+ var i = -1, n = children.length;
+ while (++i < n) d3_layout_packTransform(children[i], x, y, k);
+ }
+ }
+ function d3_layout_packPlace(a, b, c) {
+ var db = a.r + c.r, dx = b.x - a.x, dy = b.y - a.y;
+ if (db && (dx || dy)) {
+ var da = b.r + c.r, dc = dx * dx + dy * dy;
+ da *= da;
+ db *= db;
+ var x = .5 + (db - da) / (2 * dc), y = Math.sqrt(Math.max(0, 2 * da * (db + dc) - (db -= dc) * db - da * da)) / (2 * dc);
+ c.x = a.x + x * dx + y * dy;
+ c.y = a.y + x * dy - y * dx;
+ } else {
+ c.x = a.x + db;
+ c.y = a.y;
+ }
+ }
+ d3.layout.tree = function() {
+ var hierarchy = d3.layout.hierarchy().sort(null).value(null), separation = d3_layout_treeSeparation, size = [ 1, 1 ], nodeSize = null;
+ function tree(d, i) {
+ var nodes = hierarchy.call(this, d, i), root0 = nodes[0], root1 = wrapTree(root0);
+ d3_layout_hierarchyVisitAfter(root1, firstWalk), root1.parent.m = -root1.z;
+ d3_layout_hierarchyVisitBefore(root1, secondWalk);
+ if (nodeSize) d3_layout_hierarchyVisitBefore(root0, sizeNode); else {
+ var left = root0, right = root0, bottom = root0;
+ d3_layout_hierarchyVisitBefore(root0, function(node) {
+ if (node.x < left.x) left = node;
+ if (node.x > right.x) right = node;
+ if (node.depth > bottom.depth) bottom = node;
+ });
+ var tx = separation(left, right) / 2 - left.x, kx = size[0] / (right.x + separation(right, left) / 2 + tx), ky = size[1] / (bottom.depth || 1);
+ d3_layout_hierarchyVisitBefore(root0, function(node) {
+ node.x = (node.x + tx) * kx;
+ node.y = node.depth * ky;
+ });
+ }
+ return nodes;
+ }
+ function wrapTree(root0) {
+ var root1 = {
+ A: null,
+ children: [ root0 ]
+ }, queue = [ root1 ], node1;
+ while ((node1 = queue.pop()) != null) {
+ for (var children = node1.children, child, i = 0, n = children.length; i < n; ++i) {
+ queue.push((children[i] = child = {
+ _: children[i],
+ parent: node1,
+ children: (child = children[i].children) && child.slice() || [],
+ A: null,
+ a: null,
+ z: 0,
+ m: 0,
+ c: 0,
+ s: 0,
+ t: null,
+ i: i
+ }).a = child);
+ }
+ }
+ return root1.children[0];
+ }
+ function firstWalk(v) {
+ var children = v.children, siblings = v.parent.children, w = v.i ? siblings[v.i - 1] : null;
+ if (children.length) {
+ d3_layout_treeShift(v);
+ var midpoint = (children[0].z + children[children.length - 1].z) / 2;
+ if (w) {
+ v.z = w.z + separation(v._, w._);
+ v.m = v.z - midpoint;
+ } else {
+ v.z = midpoint;
+ }
+ } else if (w) {
+ v.z = w.z + separation(v._, w._);
+ }
+ v.parent.A = apportion(v, w, v.parent.A || siblings[0]);
+ }
+ function secondWalk(v) {
+ v._.x = v.z + v.parent.m;
+ v.m += v.parent.m;
+ }
+ function apportion(v, w, ancestor) {
+ if (w) {
+ var vip = v, vop = v, vim = w, vom = vip.parent.children[0], sip = vip.m, sop = vop.m, sim = vim.m, som = vom.m, shift;
+ while (vim = d3_layout_treeRight(vim), vip = d3_layout_treeLeft(vip), vim && vip) {
+ vom = d3_layout_treeLeft(vom);
+ vop = d3_layout_treeRight(vop);
+ vop.a = v;
+ shift = vim.z + sim - vip.z - sip + separation(vim._, vip._);
+ if (shift > 0) {
+ d3_layout_treeMove(d3_layout_treeAncestor(vim, v, ancestor), v, shift);
+ sip += shift;
+ sop += shift;
+ }
+ sim += vim.m;
+ sip += vip.m;
+ som += vom.m;
+ sop += vop.m;
+ }
+ if (vim && !d3_layout_treeRight(vop)) {
+ vop.t = vim;
+ vop.m += sim - sop;
+ }
+ if (vip && !d3_layout_treeLeft(vom)) {
+ vom.t = vip;
+ vom.m += sip - som;
+ ancestor = v;
+ }
+ }
+ return ancestor;
+ }
+ function sizeNode(node) {
+ node.x *= size[0];
+ node.y = node.depth * size[1];
+ }
+ tree.separation = function(x) {
+ if (!arguments.length) return separation;
+ separation = x;
+ return tree;
+ };
+ tree.size = function(x) {
+ if (!arguments.length) return nodeSize ? null : size;
+ nodeSize = (size = x) == null ? sizeNode : null;
+ return tree;
+ };
+ tree.nodeSize = function(x) {
+ if (!arguments.length) return nodeSize ? size : null;
+ nodeSize = (size = x) == null ? null : sizeNode;
+ return tree;
+ };
+ return d3_layout_hierarchyRebind(tree, hierarchy);
+ };
+ function d3_layout_treeSeparation(a, b) {
+ return a.parent == b.parent ? 1 : 2;
+ }
+ function d3_layout_treeLeft(v) {
+ var children = v.children;
+ return children.length ? children[0] : v.t;
+ }
+ function d3_layout_treeRight(v) {
+ var children = v.children, n;
+ return (n = children.length) ? children[n - 1] : v.t;
+ }
+ function d3_layout_treeMove(wm, wp, shift) {
+ var change = shift / (wp.i - wm.i);
+ wp.c -= change;
+ wp.s += shift;
+ wm.c += change;
+ wp.z += shift;
+ wp.m += shift;
+ }
+ function d3_layout_treeShift(v) {
+ var shift = 0, change = 0, children = v.children, i = children.length, w;
+ while (--i >= 0) {
+ w = children[i];
+ w.z += shift;
+ w.m += shift;
+ shift += w.s + (change += w.c);
+ }
+ }
+ function d3_layout_treeAncestor(vim, v, ancestor) {
+ return vim.a.parent === v.parent ? vim.a : ancestor;
+ }
+ d3.layout.cluster = function() {
+ var hierarchy = d3.layout.hierarchy().sort(null).value(null), separation = d3_layout_treeSeparation, size = [ 1, 1 ], nodeSize = false;
+ function cluster(d, i) {
+ var nodes = hierarchy.call(this, d, i), root = nodes[0], previousNode, x = 0;
+ d3_layout_hierarchyVisitAfter(root, function(node) {
+ var children = node.children;
+ if (children && children.length) {
+ node.x = d3_layout_clusterX(children);
+ node.y = d3_layout_clusterY(children);
+ } else {
+ node.x = previousNode ? x += separation(node, previousNode) : 0;
+ node.y = 0;
+ previousNode = node;
+ }
+ });
+ var left = d3_layout_clusterLeft(root), right = d3_layout_clusterRight(root), x0 = left.x - separation(left, right) / 2, x1 = right.x + separation(right, left) / 2;
+ d3_layout_hierarchyVisitAfter(root, nodeSize ? function(node) {
+ node.x = (node.x - root.x) * size[0];
+ node.y = (root.y - node.y) * size[1];
+ } : function(node) {
+ node.x = (node.x - x0) / (x1 - x0) * size[0];
+ node.y = (1 - (root.y ? node.y / root.y : 1)) * size[1];
+ });
+ return nodes;
+ }
+ cluster.separation = function(x) {
+ if (!arguments.length) return separation;
+ separation = x;
+ return cluster;
+ };
+ cluster.size = function(x) {
+ if (!arguments.length) return nodeSize ? null : size;
+ nodeSize = (size = x) == null;
+ return cluster;
+ };
+ cluster.nodeSize = function(x) {
+ if (!arguments.length) return nodeSize ? size : null;
+ nodeSize = (size = x) != null;
+ return cluster;
+ };
+ return d3_layout_hierarchyRebind(cluster, hierarchy);
+ };
+ function d3_layout_clusterY(children) {
+ return 1 + d3.max(children, function(child) {
+ return child.y;
+ });
+ }
+ function d3_layout_clusterX(children) {
+ return children.reduce(function(x, child) {
+ return x + child.x;
+ }, 0) / children.length;
+ }
+ function d3_layout_clusterLeft(node) {
+ var children = node.children;
+ return children && children.length ? d3_layout_clusterLeft(children[0]) : node;
+ }
+ function d3_layout_clusterRight(node) {
+ var children = node.children, n;
+ return children && (n = children.length) ? d3_layout_clusterRight(children[n - 1]) : node;
+ }
+ d3.layout.treemap = function() {
+ var hierarchy = d3.layout.hierarchy(), round = Math.round, size = [ 1, 1 ], padding = null, pad = d3_layout_treemapPadNull, sticky = false, stickies, mode = "squarify", ratio = .5 * (1 + Math.sqrt(5));
+ function scale(children, k) {
+ var i = -1, n = children.length, child, area;
+ while (++i < n) {
+ area = (child = children[i]).value * (k < 0 ? 0 : k);
+ child.area = isNaN(area) || area <= 0 ? 0 : area;
+ }
+ }
+ function squarify(node) {
+ var children = node.children;
+ if (children && children.length) {
+ var rect = pad(node), row = [], remaining = children.slice(), child, best = Infinity, score, u = mode === "slice" ? rect.dx : mode === "dice" ? rect.dy : mode === "slice-dice" ? node.depth & 1 ? rect.dy : rect.dx : Math.min(rect.dx, rect.dy), n;
+ scale(remaining, rect.dx * rect.dy / node.value);
+ row.area = 0;
+ while ((n = remaining.length) > 0) {
+ row.push(child = remaining[n - 1]);
+ row.area += child.area;
+ if (mode !== "squarify" || (score = worst(row, u)) <= best) {
+ remaining.pop();
+ best = score;
+ } else {
+ row.area -= row.pop().area;
+ position(row, u, rect, false);
+ u = Math.min(rect.dx, rect.dy);
+ row.length = row.area = 0;
+ best = Infinity;
+ }
+ }
+ if (row.length) {
+ position(row, u, rect, true);
+ row.length = row.area = 0;
+ }
+ children.forEach(squarify);
+ }
+ }
+ function stickify(node) {
+ var children = node.children;
+ if (children && children.length) {
+ var rect = pad(node), remaining = children.slice(), child, row = [];
+ scale(remaining, rect.dx * rect.dy / node.value);
+ row.area = 0;
+ while (child = remaining.pop()) {
+ row.push(child);
+ row.area += child.area;
+ if (child.z != null) {
+ position(row, child.z ? rect.dx : rect.dy, rect, !remaining.length);
+ row.length = row.area = 0;
+ }
+ }
+ children.forEach(stickify);
+ }
+ }
+ function worst(row, u) {
+ var s = row.area, r, rmax = 0, rmin = Infinity, i = -1, n = row.length;
+ while (++i < n) {
+ if (!(r = row[i].area)) continue;
+ if (r < rmin) rmin = r;
+ if (r > rmax) rmax = r;
+ }
+ s *= s;
+ u *= u;
+ return s ? Math.max(u * rmax * ratio / s, s / (u * rmin * ratio)) : Infinity;
+ }
+ function position(row, u, rect, flush) {
+ var i = -1, n = row.length, x = rect.x, y = rect.y, v = u ? round(row.area / u) : 0, o;
+ if (u == rect.dx) {
+ if (flush || v > rect.dy) v = rect.dy;
+ while (++i < n) {
+ o = row[i];
+ o.x = x;
+ o.y = y;
+ o.dy = v;
+ x += o.dx = Math.min(rect.x + rect.dx - x, v ? round(o.area / v) : 0);
+ }
+ o.z = true;
+ o.dx += rect.x + rect.dx - x;
+ rect.y += v;
+ rect.dy -= v;
+ } else {
+ if (flush || v > rect.dx) v = rect.dx;
+ while (++i < n) {
+ o = row[i];
+ o.x = x;
+ o.y = y;
+ o.dx = v;
+ y += o.dy = Math.min(rect.y + rect.dy - y, v ? round(o.area / v) : 0);
+ }
+ o.z = false;
+ o.dy += rect.y + rect.dy - y;
+ rect.x += v;
+ rect.dx -= v;
+ }
+ }
+ function treemap(d) {
+ var nodes = stickies || hierarchy(d), root = nodes[0];
+ root.x = 0;
+ root.y = 0;
+ root.dx = size[0];
+ root.dy = size[1];
+ if (stickies) hierarchy.revalue(root);
+ scale([ root ], root.dx * root.dy / root.value);
+ (stickies ? stickify : squarify)(root);
+ if (sticky) stickies = nodes;
+ return nodes;
+ }
+ treemap.size = function(x) {
+ if (!arguments.length) return size;
+ size = x;
+ return treemap;
+ };
+ treemap.padding = function(x) {
+ if (!arguments.length) return padding;
+ function padFunction(node) {
+ var p = x.call(treemap, node, node.depth);
+ return p == null ? d3_layout_treemapPadNull(node) : d3_layout_treemapPad(node, typeof p === "number" ? [ p, p, p, p ] : p);
+ }
+ function padConstant(node) {
+ return d3_layout_treemapPad(node, x);
+ }
+ var type;
+ pad = (padding = x) == null ? d3_layout_treemapPadNull : (type = typeof x) === "function" ? padFunction : type === "number" ? (x = [ x, x, x, x ],
+ padConstant) : padConstant;
+ return treemap;
+ };
+ treemap.round = function(x) {
+ if (!arguments.length) return round != Number;
+ round = x ? Math.round : Number;
+ return treemap;
+ };
+ treemap.sticky = function(x) {
+ if (!arguments.length) return sticky;
+ sticky = x;
+ stickies = null;
+ return treemap;
+ };
+ treemap.ratio = function(x) {
+ if (!arguments.length) return ratio;
+ ratio = x;
+ return treemap;
+ };
+ treemap.mode = function(x) {
+ if (!arguments.length) return mode;
+ mode = x + "";
+ return treemap;
+ };
+ return d3_layout_hierarchyRebind(treemap, hierarchy);
+ };
+ function d3_layout_treemapPadNull(node) {
+ return {
+ x: node.x,
+ y: node.y,
+ dx: node.dx,
+ dy: node.dy
+ };
+ }
+ function d3_layout_treemapPad(node, padding) {
+ var x = node.x + padding[3], y = node.y + padding[0], dx = node.dx - padding[1] - padding[3], dy = node.dy - padding[0] - padding[2];
+ if (dx < 0) {
+ x += dx / 2;
+ dx = 0;
+ }
+ if (dy < 0) {
+ y += dy / 2;
+ dy = 0;
+ }
+ return {
+ x: x,
+ y: y,
+ dx: dx,
+ dy: dy
+ };
+ }
+ d3.random = {
+ normal: function(µ, σ) {
+ var n = arguments.length;
+ if (n < 2) σ = 1;
+ if (n < 1) µ = 0;
+ return function() {
+ var x, y, r;
+ do {
+ x = Math.random() * 2 - 1;
+ y = Math.random() * 2 - 1;
+ r = x * x + y * y;
+ } while (!r || r > 1);
+ return µ + σ * x * Math.sqrt(-2 * Math.log(r) / r);
+ };
+ },
+ logNormal: function() {
+ var random = d3.random.normal.apply(d3, arguments);
+ return function() {
+ return Math.exp(random());
+ };
+ },
+ bates: function(m) {
+ var random = d3.random.irwinHall(m);
+ return function() {
+ return random() / m;
+ };
+ },
+ irwinHall: function(m) {
+ return function() {
+ for (var s = 0, j = 0; j < m; j++) s += Math.random();
+ return s;
+ };
+ }
+ };
+ d3.scale = {};
+ function d3_scaleExtent(domain) {
+ var start = domain[0], stop = domain[domain.length - 1];
+ return start < stop ? [ start, stop ] : [ stop, start ];
+ }
+ function d3_scaleRange(scale) {
+ return scale.rangeExtent ? scale.rangeExtent() : d3_scaleExtent(scale.range());
+ }
+ function d3_scale_bilinear(domain, range, uninterpolate, interpolate) {
+ var u = uninterpolate(domain[0], domain[1]), i = interpolate(range[0], range[1]);
+ return function(x) {
+ return i(u(x));
+ };
+ }
+ function d3_scale_nice(domain, nice) {
+ var i0 = 0, i1 = domain.length - 1, x0 = domain[i0], x1 = domain[i1], dx;
+ if (x1 < x0) {
+ dx = i0, i0 = i1, i1 = dx;
+ dx = x0, x0 = x1, x1 = dx;
+ }
+ domain[i0] = nice.floor(x0);
+ domain[i1] = nice.ceil(x1);
+ return domain;
+ }
+ function d3_scale_niceStep(step) {
+ return step ? {
+ floor: function(x) {
+ return Math.floor(x / step) * step;
+ },
+ ceil: function(x) {
+ return Math.ceil(x / step) * step;
+ }
+ } : d3_scale_niceIdentity;
+ }
+ var d3_scale_niceIdentity = {
+ floor: d3_identity,
+ ceil: d3_identity
+ };
+ function d3_scale_polylinear(domain, range, uninterpolate, interpolate) {
+ var u = [], i = [], j = 0, k = Math.min(domain.length, range.length) - 1;
+ if (domain[k] < domain[0]) {
+ domain = domain.slice().reverse();
+ range = range.slice().reverse();
+ }
+ while (++j <= k) {
+ u.push(uninterpolate(domain[j - 1], domain[j]));
+ i.push(interpolate(range[j - 1], range[j]));
+ }
+ return function(x) {
+ var j = d3.bisect(domain, x, 1, k) - 1;
+ return i[j](u[j](x));
+ };
+ }
+ d3.scale.linear = function() {
+ return d3_scale_linear([ 0, 1 ], [ 0, 1 ], d3_interpolate, false);
+ };
+ function d3_scale_linear(domain, range, interpolate, clamp) {
+ var output, input;
+ function rescale() {
+ var linear = Math.min(domain.length, range.length) > 2 ? d3_scale_polylinear : d3_scale_bilinear, uninterpolate = clamp ? d3_uninterpolateClamp : d3_uninterpolateNumber;
+ output = linear(domain, range, uninterpolate, interpolate);
+ input = linear(range, domain, uninterpolate, d3_interpolate);
+ return scale;
+ }
+ function scale(x) {
+ return output(x);
+ }
+ scale.invert = function(y) {
+ return input(y);
+ };
+ scale.domain = function(x) {
+ if (!arguments.length) return domain;
+ domain = x.map(Number);
+ return rescale();
+ };
+ scale.range = function(x) {
+ if (!arguments.length) return range;
+ range = x;
+ return rescale();
+ };
+ scale.rangeRound = function(x) {
+ return scale.range(x).interpolate(d3_interpolateRound);
+ };
+ scale.clamp = function(x) {
+ if (!arguments.length) return clamp;
+ clamp = x;
+ return rescale();
+ };
+ scale.interpolate = function(x) {
+ if (!arguments.length) return interpolate;
+ interpolate = x;
+ return rescale();
+ };
+ scale.ticks = function(m) {
+ return d3_scale_linearTicks(domain, m);
+ };
+ scale.tickFormat = function(m, format) {
+ return d3_scale_linearTickFormat(domain, m, format);
+ };
+ scale.nice = function(m) {
+ d3_scale_linearNice(domain, m);
+ return rescale();
+ };
+ scale.copy = function() {
+ return d3_scale_linear(domain, range, interpolate, clamp);
+ };
+ return rescale();
+ }
+ function d3_scale_linearRebind(scale, linear) {
+ return d3.rebind(scale, linear, "range", "rangeRound", "interpolate", "clamp");
+ }
+ function d3_scale_linearNice(domain, m) {
+ return d3_scale_nice(domain, d3_scale_niceStep(d3_scale_linearTickRange(domain, m)[2]));
+ }
+ function d3_scale_linearTickRange(domain, m) {
+ if (m == null) m = 10;
+ var extent = d3_scaleExtent(domain), span = extent[1] - extent[0], step = Math.pow(10, Math.floor(Math.log(span / m) / Math.LN10)), err = m / span * step;
+ if (err <= .15) step *= 10; else if (err <= .35) step *= 5; else if (err <= .75) step *= 2;
+ extent[0] = Math.ceil(extent[0] / step) * step;
+ extent[1] = Math.floor(extent[1] / step) * step + step * .5;
+ extent[2] = step;
+ return extent;
+ }
+ function d3_scale_linearTicks(domain, m) {
+ return d3.range.apply(d3, d3_scale_linearTickRange(domain, m));
+ }
+ function d3_scale_linearTickFormat(domain, m, format) {
+ var range = d3_scale_linearTickRange(domain, m);
+ if (format) {
+ var match = d3_format_re.exec(format);
+ match.shift();
+ if (match[8] === "s") {
+ var prefix = d3.formatPrefix(Math.max(abs(range[0]), abs(range[1])));
+ if (!match[7]) match[7] = "." + d3_scale_linearPrecision(prefix.scale(range[2]));
+ match[8] = "f";
+ format = d3.format(match.join(""));
+ return function(d) {
+ return format(prefix.scale(d)) + prefix.symbol;
+ };
+ }
+ if (!match[7]) match[7] = "." + d3_scale_linearFormatPrecision(match[8], range);
+ format = match.join("");
+ } else {
+ format = ",." + d3_scale_linearPrecision(range[2]) + "f";
+ }
+ return d3.format(format);
+ }
+ var d3_scale_linearFormatSignificant = {
+ s: 1,
+ g: 1,
+ p: 1,
+ r: 1,
+ e: 1
+ };
+ function d3_scale_linearPrecision(value) {
+ return -Math.floor(Math.log(value) / Math.LN10 + .01);
+ }
+ function d3_scale_linearFormatPrecision(type, range) {
+ var p = d3_scale_linearPrecision(range[2]);
+ return type in d3_scale_linearFormatSignificant ? Math.abs(p - d3_scale_linearPrecision(Math.max(abs(range[0]), abs(range[1])))) + +(type !== "e") : p - (type === "%") * 2;
+ }
+ d3.scale.log = function() {
+ return d3_scale_log(d3.scale.linear().domain([ 0, 1 ]), 10, true, [ 1, 10 ]);
+ };
+ function d3_scale_log(linear, base, positive, domain) {
+ function log(x) {
+ return (positive ? Math.log(x < 0 ? 0 : x) : -Math.log(x > 0 ? 0 : -x)) / Math.log(base);
+ }
+ function pow(x) {
+ return positive ? Math.pow(base, x) : -Math.pow(base, -x);
+ }
+ function scale(x) {
+ return linear(log(x));
+ }
+ scale.invert = function(x) {
+ return pow(linear.invert(x));
+ };
+ scale.domain = function(x) {
+ if (!arguments.length) return domain;
+ positive = x[0] >= 0;
+ linear.domain((domain = x.map(Number)).map(log));
+ return scale;
+ };
+ scale.base = function(_) {
+ if (!arguments.length) return base;
+ base = +_;
+ linear.domain(domain.map(log));
+ return scale;
+ };
+ scale.nice = function() {
+ var niced = d3_scale_nice(domain.map(log), positive ? Math : d3_scale_logNiceNegative);
+ linear.domain(niced);
+ domain = niced.map(pow);
+ return scale;
+ };
+ scale.ticks = function() {
+ var extent = d3_scaleExtent(domain), ticks = [], u = extent[0], v = extent[1], i = Math.floor(log(u)), j = Math.ceil(log(v)), n = base % 1 ? 2 : base;
+ if (isFinite(j - i)) {
+ if (positive) {
+ for (;i < j; i++) for (var k = 1; k < n; k++) ticks.push(pow(i) * k);
+ ticks.push(pow(i));
+ } else {
+ ticks.push(pow(i));
+ for (;i++ < j; ) for (var k = n - 1; k > 0; k--) ticks.push(pow(i) * k);
+ }
+ for (i = 0; ticks[i] < u; i++) {}
+ for (j = ticks.length; ticks[j - 1] > v; j--) {}
+ ticks = ticks.slice(i, j);
+ }
+ return ticks;
+ };
+ scale.tickFormat = function(n, format) {
+ if (!arguments.length) return d3_scale_logFormat;
+ if (arguments.length < 2) format = d3_scale_logFormat; else if (typeof format !== "function") format = d3.format(format);
+ var k = Math.max(.1, n / scale.ticks().length), f = positive ? (e = 1e-12, Math.ceil) : (e = -1e-12,
+ Math.floor), e;
+ return function(d) {
+ return d / pow(f(log(d) + e)) <= k ? format(d) : "";
+ };
+ };
+ scale.copy = function() {
+ return d3_scale_log(linear.copy(), base, positive, domain);
+ };
+ return d3_scale_linearRebind(scale, linear);
+ }
+ var d3_scale_logFormat = d3.format(".0e"), d3_scale_logNiceNegative = {
+ floor: function(x) {
+ return -Math.ceil(-x);
+ },
+ ceil: function(x) {
+ return -Math.floor(-x);
+ }
+ };
+ d3.scale.pow = function() {
+ return d3_scale_pow(d3.scale.linear(), 1, [ 0, 1 ]);
+ };
+ function d3_scale_pow(linear, exponent, domain) {
+ var powp = d3_scale_powPow(exponent), powb = d3_scale_powPow(1 / exponent);
+ function scale(x) {
+ return linear(powp(x));
+ }
+ scale.invert = function(x) {
+ return powb(linear.invert(x));
+ };
+ scale.domain = function(x) {
+ if (!arguments.length) return domain;
+ linear.domain((domain = x.map(Number)).map(powp));
+ return scale;
+ };
+ scale.ticks = function(m) {
+ return d3_scale_linearTicks(domain, m);
+ };
+ scale.tickFormat = function(m, format) {
+ return d3_scale_linearTickFormat(domain, m, format);
+ };
+ scale.nice = function(m) {
+ return scale.domain(d3_scale_linearNice(domain, m));
+ };
+ scale.exponent = function(x) {
+ if (!arguments.length) return exponent;
+ powp = d3_scale_powPow(exponent = x);
+ powb = d3_scale_powPow(1 / exponent);
+ linear.domain(domain.map(powp));
+ return scale;
+ };
+ scale.copy = function() {
+ return d3_scale_pow(linear.copy(), exponent, domain);
+ };
+ return d3_scale_linearRebind(scale, linear);
+ }
+ function d3_scale_powPow(e) {
+ return function(x) {
+ return x < 0 ? -Math.pow(-x, e) : Math.pow(x, e);
+ };
+ }
+ d3.scale.sqrt = function() {
+ return d3.scale.pow().exponent(.5);
+ };
+ d3.scale.ordinal = function() {
+ return d3_scale_ordinal([], {
+ t: "range",
+ a: [ [] ]
+ });
+ };
+ function d3_scale_ordinal(domain, ranger) {
+ var index, range, rangeBand;
+ function scale(x) {
+ return range[((index.get(x) || (ranger.t === "range" ? index.set(x, domain.push(x)) : NaN)) - 1) % range.length];
+ }
+ function steps(start, step) {
+ return d3.range(domain.length).map(function(i) {
+ return start + step * i;
+ });
+ }
+ scale.domain = function(x) {
+ if (!arguments.length) return domain;
+ domain = [];
+ index = new d3_Map();
+ var i = -1, n = x.length, xi;
+ while (++i < n) if (!index.has(xi = x[i])) index.set(xi, domain.push(xi));
+ return scale[ranger.t].apply(scale, ranger.a);
+ };
+ scale.range = function(x) {
+ if (!arguments.length) return range;
+ range = x;
+ rangeBand = 0;
+ ranger = {
+ t: "range",
+ a: arguments
+ };
+ return scale;
+ };
+ scale.rangePoints = function(x, padding) {
+ if (arguments.length < 2) padding = 0;
+ var start = x[0], stop = x[1], step = domain.length < 2 ? (start = (start + stop) / 2,
+ 0) : (stop - start) / (domain.length - 1 + padding);
+ range = steps(start + step * padding / 2, step);
+ rangeBand = 0;
+ ranger = {
+ t: "rangePoints",
+ a: arguments
+ };
+ return scale;
+ };
+ scale.rangeRoundPoints = function(x, padding) {
+ if (arguments.length < 2) padding = 0;
+ var start = x[0], stop = x[1], step = domain.length < 2 ? (start = stop = Math.round((start + stop) / 2),
+ 0) : (stop - start) / (domain.length - 1 + padding) | 0;
+ range = steps(start + Math.round(step * padding / 2 + (stop - start - (domain.length - 1 + padding) * step) / 2), step);
+ rangeBand = 0;
+ ranger = {
+ t: "rangeRoundPoints",
+ a: arguments
+ };
+ return scale;
+ };
+ scale.rangeBands = function(x, padding, outerPadding) {
+ if (arguments.length < 2) padding = 0;
+ if (arguments.length < 3) outerPadding = padding;
+ var reverse = x[1] < x[0], start = x[reverse - 0], stop = x[1 - reverse], step = (stop - start) / (domain.length - padding + 2 * outerPadding);
+ range = steps(start + step * outerPadding, step);
+ if (reverse) range.reverse();
+ rangeBand = step * (1 - padding);
+ ranger = {
+ t: "rangeBands",
+ a: arguments
+ };
+ return scale;
+ };
+ scale.rangeRoundBands = function(x, padding, outerPadding) {
+ if (arguments.length < 2) padding = 0;
+ if (arguments.length < 3) outerPadding = padding;
+ var reverse = x[1] < x[0], start = x[reverse - 0], stop = x[1 - reverse], step = Math.floor((stop - start) / (domain.length - padding + 2 * outerPadding));
+ range = steps(start + Math.round((stop - start - (domain.length - padding) * step) / 2), step);
+ if (reverse) range.reverse();
+ rangeBand = Math.round(step * (1 - padding));
+ ranger = {
+ t: "rangeRoundBands",
+ a: arguments
+ };
+ return scale;
+ };
+ scale.rangeBand = function() {
+ return rangeBand;
+ };
+ scale.rangeExtent = function() {
+ return d3_scaleExtent(ranger.a[0]);
+ };
+ scale.copy = function() {
+ return d3_scale_ordinal(domain, ranger);
+ };
+ return scale.domain(domain);
+ }
+ d3.scale.category10 = function() {
+ return d3.scale.ordinal().range(d3_category10);
+ };
+ d3.scale.category20 = function() {
+ return d3.scale.ordinal().range(d3_category20);
+ };
+ d3.scale.category20b = function() {
+ return d3.scale.ordinal().range(d3_category20b);
+ };
+ d3.scale.category20c = function() {
+ return d3.scale.ordinal().range(d3_category20c);
+ };
+ var d3_category10 = [ 2062260, 16744206, 2924588, 14034728, 9725885, 9197131, 14907330, 8355711, 12369186, 1556175 ].map(d3_rgbString);
+ var d3_category20 = [ 2062260, 11454440, 16744206, 16759672, 2924588, 10018698, 14034728, 16750742, 9725885, 12955861, 9197131, 12885140, 14907330, 16234194, 8355711, 13092807, 12369186, 14408589, 1556175, 10410725 ].map(d3_rgbString);
+ var d3_category20b = [ 3750777, 5395619, 7040719, 10264286, 6519097, 9216594, 11915115, 13556636, 9202993, 12426809, 15186514, 15190932, 8666169, 11356490, 14049643, 15177372, 8077683, 10834324, 13528509, 14589654 ].map(d3_rgbString);
+ var d3_category20c = [ 3244733, 7057110, 10406625, 13032431, 15095053, 16616764, 16625259, 16634018, 3253076, 7652470, 10607003, 13101504, 7695281, 10394312, 12369372, 14342891, 6513507, 9868950, 12434877, 14277081 ].map(d3_rgbString);
+ d3.scale.quantile = function() {
+ return d3_scale_quantile([], []);
+ };
+ function d3_scale_quantile(domain, range) {
+ var thresholds;
+ function rescale() {
+ var k = 0, q = range.length;
+ thresholds = [];
+ while (++k < q) thresholds[k - 1] = d3.quantile(domain, k / q);
+ return scale;
+ }
+ function scale(x) {
+ if (!isNaN(x = +x)) return range[d3.bisect(thresholds, x)];
+ }
+ scale.domain = function(x) {
+ if (!arguments.length) return domain;
+ domain = x.map(d3_number).filter(d3_numeric).sort(d3_ascending);
+ return rescale();
+ };
+ scale.range = function(x) {
+ if (!arguments.length) return range;
+ range = x;
+ return rescale();
+ };
+ scale.quantiles = function() {
+ return thresholds;
+ };
+ scale.invertExtent = function(y) {
+ y = range.indexOf(y);
+ return y < 0 ? [ NaN, NaN ] : [ y > 0 ? thresholds[y - 1] : domain[0], y < thresholds.length ? thresholds[y] : domain[domain.length - 1] ];
+ };
+ scale.copy = function() {
+ return d3_scale_quantile(domain, range);
+ };
+ return rescale();
+ }
+ d3.scale.quantize = function() {
+ return d3_scale_quantize(0, 1, [ 0, 1 ]);
+ };
+ function d3_scale_quantize(x0, x1, range) {
+ var kx, i;
+ function scale(x) {
+ return range[Math.max(0, Math.min(i, Math.floor(kx * (x - x0))))];
+ }
+ function rescale() {
+ kx = range.length / (x1 - x0);
+ i = range.length - 1;
+ return scale;
+ }
+ scale.domain = function(x) {
+ if (!arguments.length) return [ x0, x1 ];
+ x0 = +x[0];
+ x1 = +x[x.length - 1];
+ return rescale();
+ };
+ scale.range = function(x) {
+ if (!arguments.length) return range;
+ range = x;
+ return rescale();
+ };
+ scale.invertExtent = function(y) {
+ y = range.indexOf(y);
+ y = y < 0 ? NaN : y / kx + x0;
+ return [ y, y + 1 / kx ];
+ };
+ scale.copy = function() {
+ return d3_scale_quantize(x0, x1, range);
+ };
+ return rescale();
+ }
+ d3.scale.threshold = function() {
+ return d3_scale_threshold([ .5 ], [ 0, 1 ]);
+ };
+ function d3_scale_threshold(domain, range) {
+ function scale(x) {
+ if (x <= x) return range[d3.bisect(domain, x)];
+ }
+ scale.domain = function(_) {
+ if (!arguments.length) return domain;
+ domain = _;
+ return scale;
+ };
+ scale.range = function(_) {
+ if (!arguments.length) return range;
+ range = _;
+ return scale;
+ };
+ scale.invertExtent = function(y) {
+ y = range.indexOf(y);
+ return [ domain[y - 1], domain[y] ];
+ };
+ scale.copy = function() {
+ return d3_scale_threshold(domain, range);
+ };
+ return scale;
+ }
+ d3.scale.identity = function() {
+ return d3_scale_identity([ 0, 1 ]);
+ };
+ function d3_scale_identity(domain) {
+ function identity(x) {
+ return +x;
+ }
+ identity.invert = identity;
+ identity.domain = identity.range = function(x) {
+ if (!arguments.length) return domain;
+ domain = x.map(identity);
+ return identity;
+ };
+ identity.ticks = function(m) {
+ return d3_scale_linearTicks(domain, m);
+ };
+ identity.tickFormat = function(m, format) {
+ return d3_scale_linearTickFormat(domain, m, format);
+ };
+ identity.copy = function() {
+ return d3_scale_identity(domain);
+ };
+ return identity;
+ }
+ d3.svg = {};
+ function d3_zero() {
+ return 0;
+ }
+ d3.svg.arc = function() {
+ var innerRadius = d3_svg_arcInnerRadius, outerRadius = d3_svg_arcOuterRadius, cornerRadius = d3_zero, padRadius = d3_svg_arcAuto, startAngle = d3_svg_arcStartAngle, endAngle = d3_svg_arcEndAngle, padAngle = d3_svg_arcPadAngle;
+ function arc() {
+ var r0 = Math.max(0, +innerRadius.apply(this, arguments)), r1 = Math.max(0, +outerRadius.apply(this, arguments)), a0 = startAngle.apply(this, arguments) - halfπ, a1 = endAngle.apply(this, arguments) - halfπ, da = Math.abs(a1 - a0), cw = a0 > a1 ? 0 : 1;
+ if (r1 < r0) rc = r1, r1 = r0, r0 = rc;
+ if (da >= τε) return circleSegment(r1, cw) + (r0 ? circleSegment(r0, 1 - cw) : "") + "Z";
+ var rc, cr, rp, ap, p0 = 0, p1 = 0, x0, y0, x1, y1, x2, y2, x3, y3, path = [];
+ if (ap = (+padAngle.apply(this, arguments) || 0) / 2) {
+ rp = padRadius === d3_svg_arcAuto ? Math.sqrt(r0 * r0 + r1 * r1) : +padRadius.apply(this, arguments);
+ if (!cw) p1 *= -1;
+ if (r1) p1 = d3_asin(rp / r1 * Math.sin(ap));
+ if (r0) p0 = d3_asin(rp / r0 * Math.sin(ap));
+ }
+ if (r1) {
+ x0 = r1 * Math.cos(a0 + p1);
+ y0 = r1 * Math.sin(a0 + p1);
+ x1 = r1 * Math.cos(a1 - p1);
+ y1 = r1 * Math.sin(a1 - p1);
+ var l1 = Math.abs(a1 - a0 - 2 * p1) <= π ? 0 : 1;
+ if (p1 && d3_svg_arcSweep(x0, y0, x1, y1) === cw ^ l1) {
+ var h1 = (a0 + a1) / 2;
+ x0 = r1 * Math.cos(h1);
+ y0 = r1 * Math.sin(h1);
+ x1 = y1 = null;
+ }
+ } else {
+ x0 = y0 = 0;
+ }
+ if (r0) {
+ x2 = r0 * Math.cos(a1 - p0);
+ y2 = r0 * Math.sin(a1 - p0);
+ x3 = r0 * Math.cos(a0 + p0);
+ y3 = r0 * Math.sin(a0 + p0);
+ var l0 = Math.abs(a0 - a1 + 2 * p0) <= π ? 0 : 1;
+ if (p0 && d3_svg_arcSweep(x2, y2, x3, y3) === 1 - cw ^ l0) {
+ var h0 = (a0 + a1) / 2;
+ x2 = r0 * Math.cos(h0);
+ y2 = r0 * Math.sin(h0);
+ x3 = y3 = null;
+ }
+ } else {
+ x2 = y2 = 0;
+ }
+ if ((rc = Math.min(Math.abs(r1 - r0) / 2, +cornerRadius.apply(this, arguments))) > .001) {
+ cr = r0 < r1 ^ cw ? 0 : 1;
+ var oc = x3 == null ? [ x2, y2 ] : x1 == null ? [ x0, y0 ] : d3_geom_polygonIntersect([ x0, y0 ], [ x3, y3 ], [ x1, y1 ], [ x2, y2 ]), ax = x0 - oc[0], ay = y0 - oc[1], bx = x1 - oc[0], by = y1 - oc[1], kc = 1 / Math.sin(Math.acos((ax * bx + ay * by) / (Math.sqrt(ax * ax + ay * ay) * Math.sqrt(bx * bx + by * by))) / 2), lc = Math.sqrt(oc[0] * oc[0] + oc[1] * oc[1]);
+ if (x1 != null) {
+ var rc1 = Math.min(rc, (r1 - lc) / (kc + 1)), t30 = d3_svg_arcCornerTangents(x3 == null ? [ x2, y2 ] : [ x3, y3 ], [ x0, y0 ], r1, rc1, cw), t12 = d3_svg_arcCornerTangents([ x1, y1 ], [ x2, y2 ], r1, rc1, cw);
+ if (rc === rc1) {
+ path.push("M", t30[0], "A", rc1, ",", rc1, " 0 0,", cr, " ", t30[1], "A", r1, ",", r1, " 0 ", 1 - cw ^ d3_svg_arcSweep(t30[1][0], t30[1][1], t12[1][0], t12[1][1]), ",", cw, " ", t12[1], "A", rc1, ",", rc1, " 0 0,", cr, " ", t12[0]);
+ } else {
+ path.push("M", t30[0], "A", rc1, ",", rc1, " 0 1,", cr, " ", t12[0]);
+ }
+ } else {
+ path.push("M", x0, ",", y0);
+ }
+ if (x3 != null) {
+ var rc0 = Math.min(rc, (r0 - lc) / (kc - 1)), t03 = d3_svg_arcCornerTangents([ x0, y0 ], [ x3, y3 ], r0, -rc0, cw), t21 = d3_svg_arcCornerTangents([ x2, y2 ], x1 == null ? [ x0, y0 ] : [ x1, y1 ], r0, -rc0, cw);
+ if (rc === rc0) {
+ path.push("L", t21[0], "A", rc0, ",", rc0, " 0 0,", cr, " ", t21[1], "A", r0, ",", r0, " 0 ", cw ^ d3_svg_arcSweep(t21[1][0], t21[1][1], t03[1][0], t03[1][1]), ",", 1 - cw, " ", t03[1], "A", rc0, ",", rc0, " 0 0,", cr, " ", t03[0]);
+ } else {
+ path.push("L", t21[0], "A", rc0, ",", rc0, " 0 0,", cr, " ", t03[0]);
+ }
+ } else {
+ path.push("L", x2, ",", y2);
+ }
+ } else {
+ path.push("M", x0, ",", y0);
+ if (x1 != null) path.push("A", r1, ",", r1, " 0 ", l1, ",", cw, " ", x1, ",", y1);
+ path.push("L", x2, ",", y2);
+ if (x3 != null) path.push("A", r0, ",", r0, " 0 ", l0, ",", 1 - cw, " ", x3, ",", y3);
+ }
+ path.push("Z");
+ return path.join("");
+ }
+ function circleSegment(r1, cw) {
+ return "M0," + r1 + "A" + r1 + "," + r1 + " 0 1," + cw + " 0," + -r1 + "A" + r1 + "," + r1 + " 0 1," + cw + " 0," + r1;
+ }
+ arc.innerRadius = function(v) {
+ if (!arguments.length) return innerRadius;
+ innerRadius = d3_functor(v);
+ return arc;
+ };
+ arc.outerRadius = function(v) {
+ if (!arguments.length) return outerRadius;
+ outerRadius = d3_functor(v);
+ return arc;
+ };
+ arc.cornerRadius = function(v) {
+ if (!arguments.length) return cornerRadius;
+ cornerRadius = d3_functor(v);
+ return arc;
+ };
+ arc.padRadius = function(v) {
+ if (!arguments.length) return padRadius;
+ padRadius = v == d3_svg_arcAuto ? d3_svg_arcAuto : d3_functor(v);
+ return arc;
+ };
+ arc.startAngle = function(v) {
+ if (!arguments.length) return startAngle;
+ startAngle = d3_functor(v);
+ return arc;
+ };
+ arc.endAngle = function(v) {
+ if (!arguments.length) return endAngle;
+ endAngle = d3_functor(v);
+ return arc;
+ };
+ arc.padAngle = function(v) {
+ if (!arguments.length) return padAngle;
+ padAngle = d3_functor(v);
+ return arc;
+ };
+ arc.centroid = function() {
+ var r = (+innerRadius.apply(this, arguments) + +outerRadius.apply(this, arguments)) / 2, a = (+startAngle.apply(this, arguments) + +endAngle.apply(this, arguments)) / 2 - halfπ;
+ return [ Math.cos(a) * r, Math.sin(a) * r ];
+ };
+ return arc;
+ };
+ var d3_svg_arcAuto = "auto";
+ function d3_svg_arcInnerRadius(d) {
+ return d.innerRadius;
+ }
+ function d3_svg_arcOuterRadius(d) {
+ return d.outerRadius;
+ }
+ function d3_svg_arcStartAngle(d) {
+ return d.startAngle;
+ }
+ function d3_svg_arcEndAngle(d) {
+ return d.endAngle;
+ }
+ function d3_svg_arcPadAngle(d) {
+ return d && d.padAngle;
+ }
+ function d3_svg_arcSweep(x0, y0, x1, y1) {
+ return (x0 - x1) * y0 - (y0 - y1) * x0 > 0 ? 0 : 1;
+ }
+ function d3_svg_arcCornerTangents(p0, p1, r1, rc, cw) {
+ var x01 = p0[0] - p1[0], y01 = p0[1] - p1[1], lo = (cw ? rc : -rc) / Math.sqrt(x01 * x01 + y01 * y01), ox = lo * y01, oy = -lo * x01, x1 = p0[0] + ox, y1 = p0[1] + oy, x2 = p1[0] + ox, y2 = p1[1] + oy, x3 = (x1 + x2) / 2, y3 = (y1 + y2) / 2, dx = x2 - x1, dy = y2 - y1, d2 = dx * dx + dy * dy, r = r1 - rc, D = x1 * y2 - x2 * y1, d = (dy < 0 ? -1 : 1) * Math.sqrt(r * r * d2 - D * D), cx0 = (D * dy - dx * d) / d2, cy0 = (-D * dx - dy * d) / d2, cx1 = (D * dy + dx * d) / d2, cy1 = (-D * dx + dy * d) / d2, dx0 = cx0 - x3, dy0 = cy0 - y3, dx1 = cx1 - x3, dy1 = cy1 - y3;
+ if (dx0 * dx0 + dy0 * dy0 > dx1 * dx1 + dy1 * dy1) cx0 = cx1, cy0 = cy1;
+ return [ [ cx0 - ox, cy0 - oy ], [ cx0 * r1 / r, cy0 * r1 / r ] ];
+ }
+ function d3_svg_line(projection) {
+ var x = d3_geom_pointX, y = d3_geom_pointY, defined = d3_true, interpolate = d3_svg_lineLinear, interpolateKey = interpolate.key, tension = .7;
+ function line(data) {
+ var segments = [], points = [], i = -1, n = data.length, d, fx = d3_functor(x), fy = d3_functor(y);
+ function segment() {
+ segments.push("M", interpolate(projection(points), tension));
+ }
+ while (++i < n) {
+ if (defined.call(this, d = data[i], i)) {
+ points.push([ +fx.call(this, d, i), +fy.call(this, d, i) ]);
+ } else if (points.length) {
+ segment();
+ points = [];
+ }
+ }
+ if (points.length) segment();
+ return segments.length ? segments.join("") : null;
+ }
+ line.x = function(_) {
+ if (!arguments.length) return x;
+ x = _;
+ return line;
+ };
+ line.y = function(_) {
+ if (!arguments.length) return y;
+ y = _;
+ return line;
+ };
+ line.defined = function(_) {
+ if (!arguments.length) return defined;
+ defined = _;
+ return line;
+ };
+ line.interpolate = function(_) {
+ if (!arguments.length) return interpolateKey;
+ if (typeof _ === "function") interpolateKey = interpolate = _; else interpolateKey = (interpolate = d3_svg_lineInterpolators.get(_) || d3_svg_lineLinear).key;
+ return line;
+ };
+ line.tension = function(_) {
+ if (!arguments.length) return tension;
+ tension = _;
+ return line;
+ };
+ return line;
+ }
+ d3.svg.line = function() {
+ return d3_svg_line(d3_identity);
+ };
+ var d3_svg_lineInterpolators = d3.map({
+ linear: d3_svg_lineLinear,
+ "linear-closed": d3_svg_lineLinearClosed,
+ step: d3_svg_lineStep,
+ "step-before": d3_svg_lineStepBefore,
+ "step-after": d3_svg_lineStepAfter,
+ basis: d3_svg_lineBasis,
+ "basis-open": d3_svg_lineBasisOpen,
+ "basis-closed": d3_svg_lineBasisClosed,
+ bundle: d3_svg_lineBundle,
+ cardinal: d3_svg_lineCardinal,
+ "cardinal-open": d3_svg_lineCardinalOpen,
+ "cardinal-closed": d3_svg_lineCardinalClosed,
+ monotone: d3_svg_lineMonotone
+ });
+ d3_svg_lineInterpolators.forEach(function(key, value) {
+ value.key = key;
+ value.closed = /-closed$/.test(key);
+ });
+ function d3_svg_lineLinear(points) {
+ return points.join("L");
+ }
+ function d3_svg_lineLinearClosed(points) {
+ return d3_svg_lineLinear(points) + "Z";
+ }
+ function d3_svg_lineStep(points) {
+ var i = 0, n = points.length, p = points[0], path = [ p[0], ",", p[1] ];
+ while (++i < n) path.push("H", (p[0] + (p = points[i])[0]) / 2, "V", p[1]);
+ if (n > 1) path.push("H", p[0]);
+ return path.join("");
+ }
+ function d3_svg_lineStepBefore(points) {
+ var i = 0, n = points.length, p = points[0], path = [ p[0], ",", p[1] ];
+ while (++i < n) path.push("V", (p = points[i])[1], "H", p[0]);
+ return path.join("");
+ }
+ function d3_svg_lineStepAfter(points) {
+ var i = 0, n = points.length, p = points[0], path = [ p[0], ",", p[1] ];
+ while (++i < n) path.push("H", (p = points[i])[0], "V", p[1]);
+ return path.join("");
+ }
+ function d3_svg_lineCardinalOpen(points, tension) {
+ return points.length < 4 ? d3_svg_lineLinear(points) : points[1] + d3_svg_lineHermite(points.slice(1, -1), d3_svg_lineCardinalTangents(points, tension));
+ }
+ function d3_svg_lineCardinalClosed(points, tension) {
+ return points.length < 3 ? d3_svg_lineLinear(points) : points[0] + d3_svg_lineHermite((points.push(points[0]),
+ points), d3_svg_lineCardinalTangents([ points[points.length - 2] ].concat(points, [ points[1] ]), tension));
+ }
+ function d3_svg_lineCardinal(points, tension) {
+ return points.length < 3 ? d3_svg_lineLinear(points) : points[0] + d3_svg_lineHermite(points, d3_svg_lineCardinalTangents(points, tension));
+ }
+ function d3_svg_lineHermite(points, tangents) {
+ if (tangents.length < 1 || points.length != tangents.length && points.length != tangents.length + 2) {
+ return d3_svg_lineLinear(points);
+ }
+ var quad = points.length != tangents.length, path = "", p0 = points[0], p = points[1], t0 = tangents[0], t = t0, pi = 1;
+ if (quad) {
+ path += "Q" + (p[0] - t0[0] * 2 / 3) + "," + (p[1] - t0[1] * 2 / 3) + "," + p[0] + "," + p[1];
+ p0 = points[1];
+ pi = 2;
+ }
+ if (tangents.length > 1) {
+ t = tangents[1];
+ p = points[pi];
+ pi++;
+ path += "C" + (p0[0] + t0[0]) + "," + (p0[1] + t0[1]) + "," + (p[0] - t[0]) + "," + (p[1] - t[1]) + "," + p[0] + "," + p[1];
+ for (var i = 2; i < tangents.length; i++, pi++) {
+ p = points[pi];
+ t = tangents[i];
+ path += "S" + (p[0] - t[0]) + "," + (p[1] - t[1]) + "," + p[0] + "," + p[1];
+ }
+ }
+ if (quad) {
+ var lp = points[pi];
+ path += "Q" + (p[0] + t[0] * 2 / 3) + "," + (p[1] + t[1] * 2 / 3) + "," + lp[0] + "," + lp[1];
+ }
+ return path;
+ }
+ function d3_svg_lineCardinalTangents(points, tension) {
+ var tangents = [], a = (1 - tension) / 2, p0, p1 = points[0], p2 = points[1], i = 1, n = points.length;
+ while (++i < n) {
+ p0 = p1;
+ p1 = p2;
+ p2 = points[i];
+ tangents.push([ a * (p2[0] - p0[0]), a * (p2[1] - p0[1]) ]);
+ }
+ return tangents;
+ }
+ function d3_svg_lineBasis(points) {
+ if (points.length < 3) return d3_svg_lineLinear(points);
+ var i = 1, n = points.length, pi = points[0], x0 = pi[0], y0 = pi[1], px = [ x0, x0, x0, (pi = points[1])[0] ], py = [ y0, y0, y0, pi[1] ], path = [ x0, ",", y0, "L", d3_svg_lineDot4(d3_svg_lineBasisBezier3, px), ",", d3_svg_lineDot4(d3_svg_lineBasisBezier3, py) ];
+ points.push(points[n - 1]);
+ while (++i <= n) {
+ pi = points[i];
+ px.shift();
+ px.push(pi[0]);
+ py.shift();
+ py.push(pi[1]);
+ d3_svg_lineBasisBezier(path, px, py);
+ }
+ points.pop();
+ path.push("L", pi);
+ return path.join("");
+ }
+ function d3_svg_lineBasisOpen(points) {
+ if (points.length < 4) return d3_svg_lineLinear(points);
+ var path = [], i = -1, n = points.length, pi, px = [ 0 ], py = [ 0 ];
+ while (++i < 3) {
+ pi = points[i];
+ px.push(pi[0]);
+ py.push(pi[1]);
+ }
+ path.push(d3_svg_lineDot4(d3_svg_lineBasisBezier3, px) + "," + d3_svg_lineDot4(d3_svg_lineBasisBezier3, py));
+ --i;
+ while (++i < n) {
+ pi = points[i];
+ px.shift();
+ px.push(pi[0]);
+ py.shift();
+ py.push(pi[1]);
+ d3_svg_lineBasisBezier(path, px, py);
+ }
+ return path.join("");
+ }
+ function d3_svg_lineBasisClosed(points) {
+ var path, i = -1, n = points.length, m = n + 4, pi, px = [], py = [];
+ while (++i < 4) {
+ pi = points[i % n];
+ px.push(pi[0]);
+ py.push(pi[1]);
+ }
+ path = [ d3_svg_lineDot4(d3_svg_lineBasisBezier3, px), ",", d3_svg_lineDot4(d3_svg_lineBasisBezier3, py) ];
+ --i;
+ while (++i < m) {
+ pi = points[i % n];
+ px.shift();
+ px.push(pi[0]);
+ py.shift();
+ py.push(pi[1]);
+ d3_svg_lineBasisBezier(path, px, py);
+ }
+ return path.join("");
+ }
+ function d3_svg_lineBundle(points, tension) {
+ var n = points.length - 1;
+ if (n) {
+ var x0 = points[0][0], y0 = points[0][1], dx = points[n][0] - x0, dy = points[n][1] - y0, i = -1, p, t;
+ while (++i <= n) {
+ p = points[i];
+ t = i / n;
+ p[0] = tension * p[0] + (1 - tension) * (x0 + t * dx);
+ p[1] = tension * p[1] + (1 - tension) * (y0 + t * dy);
+ }
+ }
+ return d3_svg_lineBasis(points);
+ }
+ function d3_svg_lineDot4(a, b) {
+ return a[0] * b[0] + a[1] * b[1] + a[2] * b[2] + a[3] * b[3];
+ }
+ var d3_svg_lineBasisBezier1 = [ 0, 2 / 3, 1 / 3, 0 ], d3_svg_lineBasisBezier2 = [ 0, 1 / 3, 2 / 3, 0 ], d3_svg_lineBasisBezier3 = [ 0, 1 / 6, 2 / 3, 1 / 6 ];
+ function d3_svg_lineBasisBezier(path, x, y) {
+ path.push("C", d3_svg_lineDot4(d3_svg_lineBasisBezier1, x), ",", d3_svg_lineDot4(d3_svg_lineBasisBezier1, y), ",", d3_svg_lineDot4(d3_svg_lineBasisBezier2, x), ",", d3_svg_lineDot4(d3_svg_lineBasisBezier2, y), ",", d3_svg_lineDot4(d3_svg_lineBasisBezier3, x), ",", d3_svg_lineDot4(d3_svg_lineBasisBezier3, y));
+ }
+ function d3_svg_lineSlope(p0, p1) {
+ return (p1[1] - p0[1]) / (p1[0] - p0[0]);
+ }
+ function d3_svg_lineFiniteDifferences(points) {
+ var i = 0, j = points.length - 1, m = [], p0 = points[0], p1 = points[1], d = m[0] = d3_svg_lineSlope(p0, p1);
+ while (++i < j) {
+ m[i] = (d + (d = d3_svg_lineSlope(p0 = p1, p1 = points[i + 1]))) / 2;
+ }
+ m[i] = d;
+ return m;
+ }
+ function d3_svg_lineMonotoneTangents(points) {
+ var tangents = [], d, a, b, s, m = d3_svg_lineFiniteDifferences(points), i = -1, j = points.length - 1;
+ while (++i < j) {
+ d = d3_svg_lineSlope(points[i], points[i + 1]);
+ if (abs(d) < ε) {
+ m[i] = m[i + 1] = 0;
+ } else {
+ a = m[i] / d;
+ b = m[i + 1] / d;
+ s = a * a + b * b;
+ if (s > 9) {
+ s = d * 3 / Math.sqrt(s);
+ m[i] = s * a;
+ m[i + 1] = s * b;
+ }
+ }
+ }
+ i = -1;
+ while (++i <= j) {
+ s = (points[Math.min(j, i + 1)][0] - points[Math.max(0, i - 1)][0]) / (6 * (1 + m[i] * m[i]));
+ tangents.push([ s || 0, m[i] * s || 0 ]);
+ }
+ return tangents;
+ }
+ function d3_svg_lineMonotone(points) {
+ return points.length < 3 ? d3_svg_lineLinear(points) : points[0] + d3_svg_lineHermite(points, d3_svg_lineMonotoneTangents(points));
+ }
+ d3.svg.line.radial = function() {
+ var line = d3_svg_line(d3_svg_lineRadial);
+ line.radius = line.x, delete line.x;
+ line.angle = line.y, delete line.y;
+ return line;
+ };
+ function d3_svg_lineRadial(points) {
+ var point, i = -1, n = points.length, r, a;
+ while (++i < n) {
+ point = points[i];
+ r = point[0];
+ a = point[1] - halfπ;
+ point[0] = r * Math.cos(a);
+ point[1] = r * Math.sin(a);
+ }
+ return points;
+ }
+ function d3_svg_area(projection) {
+ var x0 = d3_geom_pointX, x1 = d3_geom_pointX, y0 = 0, y1 = d3_geom_pointY, defined = d3_true, interpolate = d3_svg_lineLinear, interpolateKey = interpolate.key, interpolateReverse = interpolate, L = "L", tension = .7;
+ function area(data) {
+ var segments = [], points0 = [], points1 = [], i = -1, n = data.length, d, fx0 = d3_functor(x0), fy0 = d3_functor(y0), fx1 = x0 === x1 ? function() {
+ return x;
+ } : d3_functor(x1), fy1 = y0 === y1 ? function() {
+ return y;
+ } : d3_functor(y1), x, y;
+ function segment() {
+ segments.push("M", interpolate(projection(points1), tension), L, interpolateReverse(projection(points0.reverse()), tension), "Z");
+ }
+ while (++i < n) {
+ if (defined.call(this, d = data[i], i)) {
+ points0.push([ x = +fx0.call(this, d, i), y = +fy0.call(this, d, i) ]);
+ points1.push([ +fx1.call(this, d, i), +fy1.call(this, d, i) ]);
+ } else if (points0.length) {
+ segment();
+ points0 = [];
+ points1 = [];
+ }
+ }
+ if (points0.length) segment();
+ return segments.length ? segments.join("") : null;
+ }
+ area.x = function(_) {
+ if (!arguments.length) return x1;
+ x0 = x1 = _;
+ return area;
+ };
+ area.x0 = function(_) {
+ if (!arguments.length) return x0;
+ x0 = _;
+ return area;
+ };
+ area.x1 = function(_) {
+ if (!arguments.length) return x1;
+ x1 = _;
+ return area;
+ };
+ area.y = function(_) {
+ if (!arguments.length) return y1;
+ y0 = y1 = _;
+ return area;
+ };
+ area.y0 = function(_) {
+ if (!arguments.length) return y0;
+ y0 = _;
+ return area;
+ };
+ area.y1 = function(_) {
+ if (!arguments.length) return y1;
+ y1 = _;
+ return area;
+ };
+ area.defined = function(_) {
+ if (!arguments.length) return defined;
+ defined = _;
+ return area;
+ };
+ area.interpolate = function(_) {
+ if (!arguments.length) return interpolateKey;
+ if (typeof _ === "function") interpolateKey = interpolate = _; else interpolateKey = (interpolate = d3_svg_lineInterpolators.get(_) || d3_svg_lineLinear).key;
+ interpolateReverse = interpolate.reverse || interpolate;
+ L = interpolate.closed ? "M" : "L";
+ return area;
+ };
+ area.tension = function(_) {
+ if (!arguments.length) return tension;
+ tension = _;
+ return area;
+ };
+ return area;
+ }
+ d3_svg_lineStepBefore.reverse = d3_svg_lineStepAfter;
+ d3_svg_lineStepAfter.reverse = d3_svg_lineStepBefore;
+ d3.svg.area = function() {
+ return d3_svg_area(d3_identity);
+ };
+ d3.svg.area.radial = function() {
+ var area = d3_svg_area(d3_svg_lineRadial);
+ area.radius = area.x, delete area.x;
+ area.innerRadius = area.x0, delete area.x0;
+ area.outerRadius = area.x1, delete area.x1;
+ area.angle = area.y, delete area.y;
+ area.startAngle = area.y0, delete area.y0;
+ area.endAngle = area.y1, delete area.y1;
+ return area;
+ };
+ d3.svg.chord = function() {
+ var source = d3_source, target = d3_target, radius = d3_svg_chordRadius, startAngle = d3_svg_arcStartAngle, endAngle = d3_svg_arcEndAngle;
+ function chord(d, i) {
+ var s = subgroup(this, source, d, i), t = subgroup(this, target, d, i);
+ return "M" + s.p0 + arc(s.r, s.p1, s.a1 - s.a0) + (equals(s, t) ? curve(s.r, s.p1, s.r, s.p0) : curve(s.r, s.p1, t.r, t.p0) + arc(t.r, t.p1, t.a1 - t.a0) + curve(t.r, t.p1, s.r, s.p0)) + "Z";
+ }
+ function subgroup(self, f, d, i) {
+ var subgroup = f.call(self, d, i), r = radius.call(self, subgroup, i), a0 = startAngle.call(self, subgroup, i) - halfπ, a1 = endAngle.call(self, subgroup, i) - halfπ;
+ return {
+ r: r,
+ a0: a0,
+ a1: a1,
+ p0: [ r * Math.cos(a0), r * Math.sin(a0) ],
+ p1: [ r * Math.cos(a1), r * Math.sin(a1) ]
+ };
+ }
+ function equals(a, b) {
+ return a.a0 == b.a0 && a.a1 == b.a1;
+ }
+ function arc(r, p, a) {
+ return "A" + r + "," + r + " 0 " + +(a > π) + ",1 " + p;
+ }
+ function curve(r0, p0, r1, p1) {
+ return "Q 0,0 " + p1;
+ }
+ chord.radius = function(v) {
+ if (!arguments.length) return radius;
+ radius = d3_functor(v);
+ return chord;
+ };
+ chord.source = function(v) {
+ if (!arguments.length) return source;
+ source = d3_functor(v);
+ return chord;
+ };
+ chord.target = function(v) {
+ if (!arguments.length) return target;
+ target = d3_functor(v);
+ return chord;
+ };
+ chord.startAngle = function(v) {
+ if (!arguments.length) return startAngle;
+ startAngle = d3_functor(v);
+ return chord;
+ };
+ chord.endAngle = function(v) {
+ if (!arguments.length) return endAngle;
+ endAngle = d3_functor(v);
+ return chord;
+ };
+ return chord;
+ };
+ function d3_svg_chordRadius(d) {
+ return d.radius;
+ }
+ d3.svg.diagonal = function() {
+ var source = d3_source, target = d3_target, projection = d3_svg_diagonalProjection;
+ function diagonal(d, i) {
+ var p0 = source.call(this, d, i), p3 = target.call(this, d, i), m = (p0.y + p3.y) / 2, p = [ p0, {
+ x: p0.x,
+ y: m
+ }, {
+ x: p3.x,
+ y: m
+ }, p3 ];
+ p = p.map(projection);
+ return "M" + p[0] + "C" + p[1] + " " + p[2] + " " + p[3];
+ }
+ diagonal.source = function(x) {
+ if (!arguments.length) return source;
+ source = d3_functor(x);
+ return diagonal;
+ };
+ diagonal.target = function(x) {
+ if (!arguments.length) return target;
+ target = d3_functor(x);
+ return diagonal;
+ };
+ diagonal.projection = function(x) {
+ if (!arguments.length) return projection;
+ projection = x;
+ return diagonal;
+ };
+ return diagonal;
+ };
+ function d3_svg_diagonalProjection(d) {
+ return [ d.x, d.y ];
+ }
+ d3.svg.diagonal.radial = function() {
+ var diagonal = d3.svg.diagonal(), projection = d3_svg_diagonalProjection, projection_ = diagonal.projection;
+ diagonal.projection = function(x) {
+ return arguments.length ? projection_(d3_svg_diagonalRadialProjection(projection = x)) : projection;
+ };
+ return diagonal;
+ };
+ function d3_svg_diagonalRadialProjection(projection) {
+ return function() {
+ var d = projection.apply(this, arguments), r = d[0], a = d[1] - halfπ;
+ return [ r * Math.cos(a), r * Math.sin(a) ];
+ };
+ }
+ d3.svg.symbol = function() {
+ var type = d3_svg_symbolType, size = d3_svg_symbolSize;
+ function symbol(d, i) {
+ return (d3_svg_symbols.get(type.call(this, d, i)) || d3_svg_symbolCircle)(size.call(this, d, i));
+ }
+ symbol.type = function(x) {
+ if (!arguments.length) return type;
+ type = d3_functor(x);
+ return symbol;
+ };
+ symbol.size = function(x) {
+ if (!arguments.length) return size;
+ size = d3_functor(x);
+ return symbol;
+ };
+ return symbol;
+ };
+ function d3_svg_symbolSize() {
+ return 64;
+ }
+ function d3_svg_symbolType() {
+ return "circle";
+ }
+ function d3_svg_symbolCircle(size) {
+ var r = Math.sqrt(size / π);
+ return "M0," + r + "A" + r + "," + r + " 0 1,1 0," + -r + "A" + r + "," + r + " 0 1,1 0," + r + "Z";
+ }
+ var d3_svg_symbols = d3.map({
+ circle: d3_svg_symbolCircle,
+ cross: function(size) {
+ var r = Math.sqrt(size / 5) / 2;
+ return "M" + -3 * r + "," + -r + "H" + -r + "V" + -3 * r + "H" + r + "V" + -r + "H" + 3 * r + "V" + r + "H" + r + "V" + 3 * r + "H" + -r + "V" + r + "H" + -3 * r + "Z";
+ },
+ diamond: function(size) {
+ var ry = Math.sqrt(size / (2 * d3_svg_symbolTan30)), rx = ry * d3_svg_symbolTan30;
+ return "M0," + -ry + "L" + rx + ",0" + " 0," + ry + " " + -rx + ",0" + "Z";
+ },
+ square: function(size) {
+ var r = Math.sqrt(size) / 2;
+ return "M" + -r + "," + -r + "L" + r + "," + -r + " " + r + "," + r + " " + -r + "," + r + "Z";
+ },
+ "triangle-down": function(size) {
+ var rx = Math.sqrt(size / d3_svg_symbolSqrt3), ry = rx * d3_svg_symbolSqrt3 / 2;
+ return "M0," + ry + "L" + rx + "," + -ry + " " + -rx + "," + -ry + "Z";
+ },
+ "triangle-up": function(size) {
+ var rx = Math.sqrt(size / d3_svg_symbolSqrt3), ry = rx * d3_svg_symbolSqrt3 / 2;
+ return "M0," + -ry + "L" + rx + "," + ry + " " + -rx + "," + ry + "Z";
+ }
+ });
+ d3.svg.symbolTypes = d3_svg_symbols.keys();
+ var d3_svg_symbolSqrt3 = Math.sqrt(3), d3_svg_symbolTan30 = Math.tan(30 * d3_radians);
+ d3_selectionPrototype.transition = function(name) {
+ var id = d3_transitionInheritId || ++d3_transitionId, ns = d3_transitionNamespace(name), subgroups = [], subgroup, node, transition = d3_transitionInherit || {
+ time: Date.now(),
+ ease: d3_ease_cubicInOut,
+ delay: 0,
+ duration: 250
+ };
+ for (var j = -1, m = this.length; ++j < m; ) {
+ subgroups.push(subgroup = []);
+ for (var group = this[j], i = -1, n = group.length; ++i < n; ) {
+ if (node = group[i]) d3_transitionNode(node, i, ns, id, transition);
+ subgroup.push(node);
+ }
+ }
+ return d3_transition(subgroups, ns, id);
+ };
+ d3_selectionPrototype.interrupt = function(name) {
+ return this.each(name == null ? d3_selection_interrupt : d3_selection_interruptNS(d3_transitionNamespace(name)));
+ };
+ var d3_selection_interrupt = d3_selection_interruptNS(d3_transitionNamespace());
+ function d3_selection_interruptNS(ns) {
+ return function() {
+ var lock, active;
+ if ((lock = this[ns]) && (active = lock[lock.active])) {
+ if (--lock.count) delete lock[lock.active]; else delete this[ns];
+ lock.active += .5;
+ active.event && active.event.interrupt.call(this, this.__data__, active.index);
+ }
+ };
+ }
+ function d3_transition(groups, ns, id) {
+ d3_subclass(groups, d3_transitionPrototype);
+ groups.namespace = ns;
+ groups.id = id;
+ return groups;
+ }
+ var d3_transitionPrototype = [], d3_transitionId = 0, d3_transitionInheritId, d3_transitionInherit;
+ d3_transitionPrototype.call = d3_selectionPrototype.call;
+ d3_transitionPrototype.empty = d3_selectionPrototype.empty;
+ d3_transitionPrototype.node = d3_selectionPrototype.node;
+ d3_transitionPrototype.size = d3_selectionPrototype.size;
+ d3.transition = function(selection, name) {
+ return selection && selection.transition ? d3_transitionInheritId ? selection.transition(name) : selection : d3_selectionRoot.transition(selection);
+ };
+ d3.transition.prototype = d3_transitionPrototype;
+ d3_transitionPrototype.select = function(selector) {
+ var id = this.id, ns = this.namespace, subgroups = [], subgroup, subnode, node;
+ selector = d3_selection_selector(selector);
+ for (var j = -1, m = this.length; ++j < m; ) {
+ subgroups.push(subgroup = []);
+ for (var group = this[j], i = -1, n = group.length; ++i < n; ) {
+ if ((node = group[i]) && (subnode = selector.call(node, node.__data__, i, j))) {
+ if ("__data__" in node) subnode.__data__ = node.__data__;
+ d3_transitionNode(subnode, i, ns, id, node[ns][id]);
+ subgroup.push(subnode);
+ } else {
+ subgroup.push(null);
+ }
+ }
+ }
+ return d3_transition(subgroups, ns, id);
+ };
+ d3_transitionPrototype.selectAll = function(selector) {
+ var id = this.id, ns = this.namespace, subgroups = [], subgroup, subnodes, node, subnode, transition;
+ selector = d3_selection_selectorAll(selector);
+ for (var j = -1, m = this.length; ++j < m; ) {
+ for (var group = this[j], i = -1, n = group.length; ++i < n; ) {
+ if (node = group[i]) {
+ transition = node[ns][id];
+ subnodes = selector.call(node, node.__data__, i, j);
+ subgroups.push(subgroup = []);
+ for (var k = -1, o = subnodes.length; ++k < o; ) {
+ if (subnode = subnodes[k]) d3_transitionNode(subnode, k, ns, id, transition);
+ subgroup.push(subnode);
+ }
+ }
+ }
+ }
+ return d3_transition(subgroups, ns, id);
+ };
+ d3_transitionPrototype.filter = function(filter) {
+ var subgroups = [], subgroup, group, node;
+ if (typeof filter !== "function") filter = d3_selection_filter(filter);
+ for (var j = 0, m = this.length; j < m; j++) {
+ subgroups.push(subgroup = []);
+ for (var group = this[j], i = 0, n = group.length; i < n; i++) {
+ if ((node = group[i]) && filter.call(node, node.__data__, i, j)) {
+ subgroup.push(node);
+ }
+ }
+ }
+ return d3_transition(subgroups, this.namespace, this.id);
+ };
+ d3_transitionPrototype.tween = function(name, tween) {
+ var id = this.id, ns = this.namespace;
+ if (arguments.length < 2) return this.node()[ns][id].tween.get(name);
+ return d3_selection_each(this, tween == null ? function(node) {
+ node[ns][id].tween.remove(name);
+ } : function(node) {
+ node[ns][id].tween.set(name, tween);
+ });
+ };
+ function d3_transition_tween(groups, name, value, tween) {
+ var id = groups.id, ns = groups.namespace;
+ return d3_selection_each(groups, typeof value === "function" ? function(node, i, j) {
+ node[ns][id].tween.set(name, tween(value.call(node, node.__data__, i, j)));
+ } : (value = tween(value), function(node) {
+ node[ns][id].tween.set(name, value);
+ }));
+ }
+ d3_transitionPrototype.attr = function(nameNS, value) {
+ if (arguments.length < 2) {
+ for (value in nameNS) this.attr(value, nameNS[value]);
+ return this;
+ }
+ var interpolate = nameNS == "transform" ? d3_interpolateTransform : d3_interpolate, name = d3.ns.qualify(nameNS);
+ function attrNull() {
+ this.removeAttribute(name);
+ }
+ function attrNullNS() {
+ this.removeAttributeNS(name.space, name.local);
+ }
+ function attrTween(b) {
+ return b == null ? attrNull : (b += "", function() {
+ var a = this.getAttribute(name), i;
+ return a !== b && (i = interpolate(a, b), function(t) {
+ this.setAttribute(name, i(t));
+ });
+ });
+ }
+ function attrTweenNS(b) {
+ return b == null ? attrNullNS : (b += "", function() {
+ var a = this.getAttributeNS(name.space, name.local), i;
+ return a !== b && (i = interpolate(a, b), function(t) {
+ this.setAttributeNS(name.space, name.local, i(t));
+ });
+ });
+ }
+ return d3_transition_tween(this, "attr." + nameNS, value, name.local ? attrTweenNS : attrTween);
+ };
+ d3_transitionPrototype.attrTween = function(nameNS, tween) {
+ var name = d3.ns.qualify(nameNS);
+ function attrTween(d, i) {
+ var f = tween.call(this, d, i, this.getAttribute(name));
+ return f && function(t) {
+ this.setAttribute(name, f(t));
+ };
+ }
+ function attrTweenNS(d, i) {
+ var f = tween.call(this, d, i, this.getAttributeNS(name.space, name.local));
+ return f && function(t) {
+ this.setAttributeNS(name.space, name.local, f(t));
+ };
+ }
+ return this.tween("attr." + nameNS, name.local ? attrTweenNS : attrTween);
+ };
+ d3_transitionPrototype.style = function(name, value, priority) {
+ var n = arguments.length;
+ if (n < 3) {
+ if (typeof name !== "string") {
+ if (n < 2) value = "";
+ for (priority in name) this.style(priority, name[priority], value);
+ return this;
+ }
+ priority = "";
+ }
+ function styleNull() {
+ this.style.removeProperty(name);
+ }
+ function styleString(b) {
+ return b == null ? styleNull : (b += "", function() {
+ var a = d3_window.getComputedStyle(this, null).getPropertyValue(name), i;
+ return a !== b && (i = d3_interpolate(a, b), function(t) {
+ this.style.setProperty(name, i(t), priority);
+ });
+ });
+ }
+ return d3_transition_tween(this, "style." + name, value, styleString);
+ };
+ d3_transitionPrototype.styleTween = function(name, tween, priority) {
+ if (arguments.length < 3) priority = "";
+ function styleTween(d, i) {
+ var f = tween.call(this, d, i, d3_window.getComputedStyle(this, null).getPropertyValue(name));
+ return f && function(t) {
+ this.style.setProperty(name, f(t), priority);
+ };
+ }
+ return this.tween("style." + name, styleTween);
+ };
+ d3_transitionPrototype.text = function(value) {
+ return d3_transition_tween(this, "text", value, d3_transition_text);
+ };
+ function d3_transition_text(b) {
+ if (b == null) b = "";
+ return function() {
+ this.textContent = b;
+ };
+ }
+ d3_transitionPrototype.remove = function() {
+ var ns = this.namespace;
+ return this.each("end.transition", function() {
+ var p;
+ if (this[ns].count < 2 && (p = this.parentNode)) p.removeChild(this);
+ });
+ };
+ d3_transitionPrototype.ease = function(value) {
+ var id = this.id, ns = this.namespace;
+ if (arguments.length < 1) return this.node()[ns][id].ease;
+ if (typeof value !== "function") value = d3.ease.apply(d3, arguments);
+ return d3_selection_each(this, function(node) {
+ node[ns][id].ease = value;
+ });
+ };
+ d3_transitionPrototype.delay = function(value) {
+ var id = this.id, ns = this.namespace;
+ if (arguments.length < 1) return this.node()[ns][id].delay;
+ return d3_selection_each(this, typeof value === "function" ? function(node, i, j) {
+ node[ns][id].delay = +value.call(node, node.__data__, i, j);
+ } : (value = +value, function(node) {
+ node[ns][id].delay = value;
+ }));
+ };
+ d3_transitionPrototype.duration = function(value) {
+ var id = this.id, ns = this.namespace;
+ if (arguments.length < 1) return this.node()[ns][id].duration;
+ return d3_selection_each(this, typeof value === "function" ? function(node, i, j) {
+ node[ns][id].duration = Math.max(1, value.call(node, node.__data__, i, j));
+ } : (value = Math.max(1, value), function(node) {
+ node[ns][id].duration = value;
+ }));
+ };
+ d3_transitionPrototype.each = function(type, listener) {
+ var id = this.id, ns = this.namespace;
+ if (arguments.length < 2) {
+ var inherit = d3_transitionInherit, inheritId = d3_transitionInheritId;
+ try {
+ d3_transitionInheritId = id;
+ d3_selection_each(this, function(node, i, j) {
+ d3_transitionInherit = node[ns][id];
+ type.call(node, node.__data__, i, j);
+ });
+ } finally {
+ d3_transitionInherit = inherit;
+ d3_transitionInheritId = inheritId;
+ }
+ } else {
+ d3_selection_each(this, function(node) {
+ var transition = node[ns][id];
+ (transition.event || (transition.event = d3.dispatch("start", "end", "interrupt"))).on(type, listener);
+ });
+ }
+ return this;
+ };
+ d3_transitionPrototype.transition = function() {
+ var id0 = this.id, id1 = ++d3_transitionId, ns = this.namespace, subgroups = [], subgroup, group, node, transition;
+ for (var j = 0, m = this.length; j < m; j++) {
+ subgroups.push(subgroup = []);
+ for (var group = this[j], i = 0, n = group.length; i < n; i++) {
+ if (node = group[i]) {
+ transition = node[ns][id0];
+ d3_transitionNode(node, i, ns, id1, {
+ time: transition.time,
+ ease: transition.ease,
+ delay: transition.delay + transition.duration,
+ duration: transition.duration
+ });
+ }
+ subgroup.push(node);
+ }
+ }
+ return d3_transition(subgroups, ns, id1);
+ };
+ function d3_transitionNamespace(name) {
+ return name == null ? "__transition__" : "__transition_" + name + "__";
+ }
+ function d3_transitionNode(node, i, ns, id, inherit) {
+ var lock = node[ns] || (node[ns] = {
+ active: 0,
+ count: 0
+ }), transition = lock[id];
+ if (!transition) {
+ var time = inherit.time;
+ transition = lock[id] = {
+ tween: new d3_Map(),
+ time: time,
+ delay: inherit.delay,
+ duration: inherit.duration,
+ ease: inherit.ease,
+ index: i
+ };
+ inherit = null;
+ ++lock.count;
+ d3.timer(function(elapsed) {
+ var delay = transition.delay, duration, ease, timer = d3_timer_active, tweened = [];
+ timer.t = delay + time;
+ if (delay <= elapsed) return start(elapsed - delay);
+ timer.c = start;
+ function start(elapsed) {
+ if (lock.active > id) return stop();
+ var active = lock[lock.active];
+ if (active) {
+ --lock.count;
+ delete lock[lock.active];
+ active.event && active.event.interrupt.call(node, node.__data__, active.index);
+ }
+ lock.active = id;
+ transition.event && transition.event.start.call(node, node.__data__, i);
+ transition.tween.forEach(function(key, value) {
+ if (value = value.call(node, node.__data__, i)) {
+ tweened.push(value);
+ }
+ });
+ ease = transition.ease;
+ duration = transition.duration;
+ d3.timer(function() {
+ timer.c = tick(elapsed || 1) ? d3_true : tick;
+ return 1;
+ }, 0, time);
+ }
+ function tick(elapsed) {
+ if (lock.active !== id) return 1;
+ var t = elapsed / duration, e = ease(t), n = tweened.length;
+ while (n > 0) {
+ tweened[--n].call(node, e);
+ }
+ if (t >= 1) {
+ transition.event && transition.event.end.call(node, node.__data__, i);
+ return stop();
+ }
+ }
+ function stop() {
+ if (--lock.count) delete lock[id]; else delete node[ns];
+ return 1;
+ }
+ }, 0, time);
+ }
+ }
+ d3.svg.axis = function() {
+ var scale = d3.scale.linear(), orient = d3_svg_axisDefaultOrient, innerTickSize = 6, outerTickSize = 6, tickPadding = 3, tickArguments_ = [ 10 ], tickValues = null, tickFormat_;
+ function axis(g) {
+ g.each(function() {
+ var g = d3.select(this);
+ var scale0 = this.__chart__ || scale, scale1 = this.__chart__ = scale.copy();
+ var ticks = tickValues == null ? scale1.ticks ? scale1.ticks.apply(scale1, tickArguments_) : scale1.domain() : tickValues, tickFormat = tickFormat_ == null ? scale1.tickFormat ? scale1.tickFormat.apply(scale1, tickArguments_) : d3_identity : tickFormat_, tick = g.selectAll(".tick").data(ticks, scale1), tickEnter = tick.enter().insert("g", ".domain").attr("class", "tick").style("opacity", ε), tickExit = d3.transition(tick.exit()).style("opacity", ε).remove(), tickUpdate = d3.transition(tick.order()).style("opacity", 1), tickSpacing = Math.max(innerTickSize, 0) + tickPadding, tickTransform;
+ var range = d3_scaleRange(scale1), path = g.selectAll(".domain").data([ 0 ]), pathUpdate = (path.enter().append("path").attr("class", "domain"),
+ d3.transition(path));
+ tickEnter.append("line");
+ tickEnter.append("text");
+ var lineEnter = tickEnter.select("line"), lineUpdate = tickUpdate.select("line"), text = tick.select("text").text(tickFormat), textEnter = tickEnter.select("text"), textUpdate = tickUpdate.select("text"), sign = orient === "top" || orient === "left" ? -1 : 1, x1, x2, y1, y2;
+ if (orient === "bottom" || orient === "top") {
+ tickTransform = d3_svg_axisX, x1 = "x", y1 = "y", x2 = "x2", y2 = "y2";
+ text.attr("dy", sign < 0 ? "0em" : ".71em").style("text-anchor", "middle");
+ pathUpdate.attr("d", "M" + range[0] + "," + sign * outerTickSize + "V0H" + range[1] + "V" + sign * outerTickSize);
+ } else {
+ tickTransform = d3_svg_axisY, x1 = "y", y1 = "x", x2 = "y2", y2 = "x2";
+ text.attr("dy", ".32em").style("text-anchor", sign < 0 ? "end" : "start");
+ pathUpdate.attr("d", "M" + sign * outerTickSize + "," + range[0] + "H0V" + range[1] + "H" + sign * outerTickSize);
+ }
+ lineEnter.attr(y2, sign * innerTickSize);
+ textEnter.attr(y1, sign * tickSpacing);
+ lineUpdate.attr(x2, 0).attr(y2, sign * innerTickSize);
+ textUpdate.attr(x1, 0).attr(y1, sign * tickSpacing);
+ if (scale1.rangeBand) {
+ var x = scale1, dx = x.rangeBand() / 2;
+ scale0 = scale1 = function(d) {
+ return x(d) + dx;
+ };
+ } else if (scale0.rangeBand) {
+ scale0 = scale1;
+ } else {
+ tickExit.call(tickTransform, scale1, scale0);
+ }
+ tickEnter.call(tickTransform, scale0, scale1);
+ tickUpdate.call(tickTransform, scale1, scale1);
+ });
+ }
+ axis.scale = function(x) {
+ if (!arguments.length) return scale;
+ scale = x;
+ return axis;
+ };
+ axis.orient = function(x) {
+ if (!arguments.length) return orient;
+ orient = x in d3_svg_axisOrients ? x + "" : d3_svg_axisDefaultOrient;
+ return axis;
+ };
+ axis.ticks = function() {
+ if (!arguments.length) return tickArguments_;
+ tickArguments_ = arguments;
+ return axis;
+ };
+ axis.tickValues = function(x) {
+ if (!arguments.length) return tickValues;
+ tickValues = x;
+ return axis;
+ };
+ axis.tickFormat = function(x) {
+ if (!arguments.length) return tickFormat_;
+ tickFormat_ = x;
+ return axis;
+ };
+ axis.tickSize = function(x) {
+ var n = arguments.length;
+ if (!n) return innerTickSize;
+ innerTickSize = +x;
+ outerTickSize = +arguments[n - 1];
+ return axis;
+ };
+ axis.innerTickSize = function(x) {
+ if (!arguments.length) return innerTickSize;
+ innerTickSize = +x;
+ return axis;
+ };
+ axis.outerTickSize = function(x) {
+ if (!arguments.length) return outerTickSize;
+ outerTickSize = +x;
+ return axis;
+ };
+ axis.tickPadding = function(x) {
+ if (!arguments.length) return tickPadding;
+ tickPadding = +x;
+ return axis;
+ };
+ axis.tickSubdivide = function() {
+ return arguments.length && axis;
+ };
+ return axis;
+ };
+ var d3_svg_axisDefaultOrient = "bottom", d3_svg_axisOrients = {
+ top: 1,
+ right: 1,
+ bottom: 1,
+ left: 1
+ };
+ function d3_svg_axisX(selection, x0, x1) {
+ selection.attr("transform", function(d) {
+ var v0 = x0(d);
+ return "translate(" + (isFinite(v0) ? v0 : x1(d)) + ",0)";
+ });
+ }
+ function d3_svg_axisY(selection, y0, y1) {
+ selection.attr("transform", function(d) {
+ var v0 = y0(d);
+ return "translate(0," + (isFinite(v0) ? v0 : y1(d)) + ")";
+ });
+ }
+ d3.svg.brush = function() {
+ var event = d3_eventDispatch(brush, "brushstart", "brush", "brushend"), x = null, y = null, xExtent = [ 0, 0 ], yExtent = [ 0, 0 ], xExtentDomain, yExtentDomain, xClamp = true, yClamp = true, resizes = d3_svg_brushResizes[0];
+ function brush(g) {
+ g.each(function() {
+ var g = d3.select(this).style("pointer-events", "all").style("-webkit-tap-highlight-color", "rgba(0,0,0,0)").on("mousedown.brush", brushstart).on("touchstart.brush", brushstart);
+ var background = g.selectAll(".background").data([ 0 ]);
+ background.enter().append("rect").attr("class", "background").style("visibility", "hidden").style("cursor", "crosshair");
+ g.selectAll(".extent").data([ 0 ]).enter().append("rect").attr("class", "extent").style("cursor", "move");
+ var resize = g.selectAll(".resize").data(resizes, d3_identity);
+ resize.exit().remove();
+ resize.enter().append("g").attr("class", function(d) {
+ return "resize " + d;
+ }).style("cursor", function(d) {
+ return d3_svg_brushCursor[d];
+ }).append("rect").attr("x", function(d) {
+ return /[ew]$/.test(d) ? -3 : null;
+ }).attr("y", function(d) {
+ return /^[ns]/.test(d) ? -3 : null;
+ }).attr("width", 6).attr("height", 6).style("visibility", "hidden");
+ resize.style("display", brush.empty() ? "none" : null);
+ var gUpdate = d3.transition(g), backgroundUpdate = d3.transition(background), range;
+ if (x) {
+ range = d3_scaleRange(x);
+ backgroundUpdate.attr("x", range[0]).attr("width", range[1] - range[0]);
+ redrawX(gUpdate);
+ }
+ if (y) {
+ range = d3_scaleRange(y);
+ backgroundUpdate.attr("y", range[0]).attr("height", range[1] - range[0]);
+ redrawY(gUpdate);
+ }
+ redraw(gUpdate);
+ });
+ }
+ brush.event = function(g) {
+ g.each(function() {
+ var event_ = event.of(this, arguments), extent1 = {
+ x: xExtent,
+ y: yExtent,
+ i: xExtentDomain,
+ j: yExtentDomain
+ }, extent0 = this.__chart__ || extent1;
+ this.__chart__ = extent1;
+ if (d3_transitionInheritId) {
+ d3.select(this).transition().each("start.brush", function() {
+ xExtentDomain = extent0.i;
+ yExtentDomain = extent0.j;
+ xExtent = extent0.x;
+ yExtent = extent0.y;
+ event_({
+ type: "brushstart"
+ });
+ }).tween("brush:brush", function() {
+ var xi = d3_interpolateArray(xExtent, extent1.x), yi = d3_interpolateArray(yExtent, extent1.y);
+ xExtentDomain = yExtentDomain = null;
+ return function(t) {
+ xExtent = extent1.x = xi(t);
+ yExtent = extent1.y = yi(t);
+ event_({
+ type: "brush",
+ mode: "resize"
+ });
+ };
+ }).each("end.brush", function() {
+ xExtentDomain = extent1.i;
+ yExtentDomain = extent1.j;
+ event_({
+ type: "brush",
+ mode: "resize"
+ });
+ event_({
+ type: "brushend"
+ });
+ });
+ } else {
+ event_({
+ type: "brushstart"
+ });
+ event_({
+ type: "brush",
+ mode: "resize"
+ });
+ event_({
+ type: "brushend"
+ });
+ }
+ });
+ };
+ function redraw(g) {
+ g.selectAll(".resize").attr("transform", function(d) {
+ return "translate(" + xExtent[+/e$/.test(d)] + "," + yExtent[+/^s/.test(d)] + ")";
+ });
+ }
+ function redrawX(g) {
+ g.select(".extent").attr("x", xExtent[0]);
+ g.selectAll(".extent,.n>rect,.s>rect").attr("width", xExtent[1] - xExtent[0]);
+ }
+ function redrawY(g) {
+ g.select(".extent").attr("y", yExtent[0]);
+ g.selectAll(".extent,.e>rect,.w>rect").attr("height", yExtent[1] - yExtent[0]);
+ }
+ function brushstart() {
+ var target = this, eventTarget = d3.select(d3.event.target), event_ = event.of(target, arguments), g = d3.select(target), resizing = eventTarget.datum(), resizingX = !/^(n|s)$/.test(resizing) && x, resizingY = !/^(e|w)$/.test(resizing) && y, dragging = eventTarget.classed("extent"), dragRestore = d3_event_dragSuppress(), center, origin = d3.mouse(target), offset;
+ var w = d3.select(d3_window).on("keydown.brush", keydown).on("keyup.brush", keyup);
+ if (d3.event.changedTouches) {
+ w.on("touchmove.brush", brushmove).on("touchend.brush", brushend);
+ } else {
+ w.on("mousemove.brush", brushmove).on("mouseup.brush", brushend);
+ }
+ g.interrupt().selectAll("*").interrupt();
+ if (dragging) {
+ origin[0] = xExtent[0] - origin[0];
+ origin[1] = yExtent[0] - origin[1];
+ } else if (resizing) {
+ var ex = +/w$/.test(resizing), ey = +/^n/.test(resizing);
+ offset = [ xExtent[1 - ex] - origin[0], yExtent[1 - ey] - origin[1] ];
+ origin[0] = xExtent[ex];
+ origin[1] = yExtent[ey];
+ } else if (d3.event.altKey) center = origin.slice();
+ g.style("pointer-events", "none").selectAll(".resize").style("display", null);
+ d3.select("body").style("cursor", eventTarget.style("cursor"));
+ event_({
+ type: "brushstart"
+ });
+ brushmove();
+ function keydown() {
+ if (d3.event.keyCode == 32) {
+ if (!dragging) {
+ center = null;
+ origin[0] -= xExtent[1];
+ origin[1] -= yExtent[1];
+ dragging = 2;
+ }
+ d3_eventPreventDefault();
+ }
+ }
+ function keyup() {
+ if (d3.event.keyCode == 32 && dragging == 2) {
+ origin[0] += xExtent[1];
+ origin[1] += yExtent[1];
+ dragging = 0;
+ d3_eventPreventDefault();
+ }
+ }
+ function brushmove() {
+ var point = d3.mouse(target), moved = false;
+ if (offset) {
+ point[0] += offset[0];
+ point[1] += offset[1];
+ }
+ if (!dragging) {
+ if (d3.event.altKey) {
+ if (!center) center = [ (xExtent[0] + xExtent[1]) / 2, (yExtent[0] + yExtent[1]) / 2 ];
+ origin[0] = xExtent[+(point[0] < center[0])];
+ origin[1] = yExtent[+(point[1] < center[1])];
+ } else center = null;
+ }
+ if (resizingX && move1(point, x, 0)) {
+ redrawX(g);
+ moved = true;
+ }
+ if (resizingY && move1(point, y, 1)) {
+ redrawY(g);
+ moved = true;
+ }
+ if (moved) {
+ redraw(g);
+ event_({
+ type: "brush",
+ mode: dragging ? "move" : "resize"
+ });
+ }
+ }
+ function move1(point, scale, i) {
+ var range = d3_scaleRange(scale), r0 = range[0], r1 = range[1], position = origin[i], extent = i ? yExtent : xExtent, size = extent[1] - extent[0], min, max;
+ if (dragging) {
+ r0 -= position;
+ r1 -= size + position;
+ }
+ min = (i ? yClamp : xClamp) ? Math.max(r0, Math.min(r1, point[i])) : point[i];
+ if (dragging) {
+ max = (min += position) + size;
+ } else {
+ if (center) position = Math.max(r0, Math.min(r1, 2 * center[i] - min));
+ if (position < min) {
+ max = min;
+ min = position;
+ } else {
+ max = position;
+ }
+ }
+ if (extent[0] != min || extent[1] != max) {
+ if (i) yExtentDomain = null; else xExtentDomain = null;
+ extent[0] = min;
+ extent[1] = max;
+ return true;
+ }
+ }
+ function brushend() {
+ brushmove();
+ g.style("pointer-events", "all").selectAll(".resize").style("display", brush.empty() ? "none" : null);
+ d3.select("body").style("cursor", null);
+ w.on("mousemove.brush", null).on("mouseup.brush", null).on("touchmove.brush", null).on("touchend.brush", null).on("keydown.brush", null).on("keyup.brush", null);
+ dragRestore();
+ event_({
+ type: "brushend"
+ });
+ }
+ }
+ brush.x = function(z) {
+ if (!arguments.length) return x;
+ x = z;
+ resizes = d3_svg_brushResizes[!x << 1 | !y];
+ return brush;
+ };
+ brush.y = function(z) {
+ if (!arguments.length) return y;
+ y = z;
+ resizes = d3_svg_brushResizes[!x << 1 | !y];
+ return brush;
+ };
+ brush.clamp = function(z) {
+ if (!arguments.length) return x && y ? [ xClamp, yClamp ] : x ? xClamp : y ? yClamp : null;
+ if (x && y) xClamp = !!z[0], yClamp = !!z[1]; else if (x) xClamp = !!z; else if (y) yClamp = !!z;
+ return brush;
+ };
+ brush.extent = function(z) {
+ var x0, x1, y0, y1, t;
+ if (!arguments.length) {
+ if (x) {
+ if (xExtentDomain) {
+ x0 = xExtentDomain[0], x1 = xExtentDomain[1];
+ } else {
+ x0 = xExtent[0], x1 = xExtent[1];
+ if (x.invert) x0 = x.invert(x0), x1 = x.invert(x1);
+ if (x1 < x0) t = x0, x0 = x1, x1 = t;
+ }
+ }
+ if (y) {
+ if (yExtentDomain) {
+ y0 = yExtentDomain[0], y1 = yExtentDomain[1];
+ } else {
+ y0 = yExtent[0], y1 = yExtent[1];
+ if (y.invert) y0 = y.invert(y0), y1 = y.invert(y1);
+ if (y1 < y0) t = y0, y0 = y1, y1 = t;
+ }
+ }
+ return x && y ? [ [ x0, y0 ], [ x1, y1 ] ] : x ? [ x0, x1 ] : y && [ y0, y1 ];
+ }
+ if (x) {
+ x0 = z[0], x1 = z[1];
+ if (y) x0 = x0[0], x1 = x1[0];
+ xExtentDomain = [ x0, x1 ];
+ if (x.invert) x0 = x(x0), x1 = x(x1);
+ if (x1 < x0) t = x0, x0 = x1, x1 = t;
+ if (x0 != xExtent[0] || x1 != xExtent[1]) xExtent = [ x0, x1 ];
+ }
+ if (y) {
+ y0 = z[0], y1 = z[1];
+ if (x) y0 = y0[1], y1 = y1[1];
+ yExtentDomain = [ y0, y1 ];
+ if (y.invert) y0 = y(y0), y1 = y(y1);
+ if (y1 < y0) t = y0, y0 = y1, y1 = t;
+ if (y0 != yExtent[0] || y1 != yExtent[1]) yExtent = [ y0, y1 ];
+ }
+ return brush;
+ };
+ brush.clear = function() {
+ if (!brush.empty()) {
+ xExtent = [ 0, 0 ], yExtent = [ 0, 0 ];
+ xExtentDomain = yExtentDomain = null;
+ }
+ return brush;
+ };
+ brush.empty = function() {
+ return !!x && xExtent[0] == xExtent[1] || !!y && yExtent[0] == yExtent[1];
+ };
+ return d3.rebind(brush, event, "on");
+ };
+ var d3_svg_brushCursor = {
+ n: "ns-resize",
+ e: "ew-resize",
+ s: "ns-resize",
+ w: "ew-resize",
+ nw: "nwse-resize",
+ ne: "nesw-resize",
+ se: "nwse-resize",
+ sw: "nesw-resize"
+ };
+ var d3_svg_brushResizes = [ [ "n", "e", "s", "w", "nw", "ne", "se", "sw" ], [ "e", "w" ], [ "n", "s" ], [] ];
+ var d3_time_format = d3_time.format = d3_locale_enUS.timeFormat;
+ var d3_time_formatUtc = d3_time_format.utc;
+ var d3_time_formatIso = d3_time_formatUtc("%Y-%m-%dT%H:%M:%S.%LZ");
+ d3_time_format.iso = Date.prototype.toISOString && +new Date("2000-01-01T00:00:00.000Z") ? d3_time_formatIsoNative : d3_time_formatIso;
+ function d3_time_formatIsoNative(date) {
+ return date.toISOString();
+ }
+ d3_time_formatIsoNative.parse = function(string) {
+ var date = new Date(string);
+ return isNaN(date) ? null : date;
+ };
+ d3_time_formatIsoNative.toString = d3_time_formatIso.toString;
+ d3_time.second = d3_time_interval(function(date) {
+ return new d3_date(Math.floor(date / 1e3) * 1e3);
+ }, function(date, offset) {
+ date.setTime(date.getTime() + Math.floor(offset) * 1e3);
+ }, function(date) {
+ return date.getSeconds();
+ });
+ d3_time.seconds = d3_time.second.range;
+ d3_time.seconds.utc = d3_time.second.utc.range;
+ d3_time.minute = d3_time_interval(function(date) {
+ return new d3_date(Math.floor(date / 6e4) * 6e4);
+ }, function(date, offset) {
+ date.setTime(date.getTime() + Math.floor(offset) * 6e4);
+ }, function(date) {
+ return date.getMinutes();
+ });
+ d3_time.minutes = d3_time.minute.range;
+ d3_time.minutes.utc = d3_time.minute.utc.range;
+ d3_time.hour = d3_time_interval(function(date) {
+ var timezone = date.getTimezoneOffset() / 60;
+ return new d3_date((Math.floor(date / 36e5 - timezone) + timezone) * 36e5);
+ }, function(date, offset) {
+ date.setTime(date.getTime() + Math.floor(offset) * 36e5);
+ }, function(date) {
+ return date.getHours();
+ });
+ d3_time.hours = d3_time.hour.range;
+ d3_time.hours.utc = d3_time.hour.utc.range;
+ d3_time.month = d3_time_interval(function(date) {
+ date = d3_time.day(date);
+ date.setDate(1);
+ return date;
+ }, function(date, offset) {
+ date.setMonth(date.getMonth() + offset);
+ }, function(date) {
+ return date.getMonth();
+ });
+ d3_time.months = d3_time.month.range;
+ d3_time.months.utc = d3_time.month.utc.range;
+ function d3_time_scale(linear, methods, format) {
+ function scale(x) {
+ return linear(x);
+ }
+ scale.invert = function(x) {
+ return d3_time_scaleDate(linear.invert(x));
+ };
+ scale.domain = function(x) {
+ if (!arguments.length) return linear.domain().map(d3_time_scaleDate);
+ linear.domain(x);
+ return scale;
+ };
+ function tickMethod(extent, count) {
+ var span = extent[1] - extent[0], target = span / count, i = d3.bisect(d3_time_scaleSteps, target);
+ return i == d3_time_scaleSteps.length ? [ methods.year, d3_scale_linearTickRange(extent.map(function(d) {
+ return d / 31536e6;
+ }), count)[2] ] : !i ? [ d3_time_scaleMilliseconds, d3_scale_linearTickRange(extent, count)[2] ] : methods[target / d3_time_scaleSteps[i - 1] < d3_time_scaleSteps[i] / target ? i - 1 : i];
+ }
+ scale.nice = function(interval, skip) {
+ var domain = scale.domain(), extent = d3_scaleExtent(domain), method = interval == null ? tickMethod(extent, 10) : typeof interval === "number" && tickMethod(extent, interval);
+ if (method) interval = method[0], skip = method[1];
+ function skipped(date) {
+ return !isNaN(date) && !interval.range(date, d3_time_scaleDate(+date + 1), skip).length;
+ }
+ return scale.domain(d3_scale_nice(domain, skip > 1 ? {
+ floor: function(date) {
+ while (skipped(date = interval.floor(date))) date = d3_time_scaleDate(date - 1);
+ return date;
+ },
+ ceil: function(date) {
+ while (skipped(date = interval.ceil(date))) date = d3_time_scaleDate(+date + 1);
+ return date;
+ }
+ } : interval));
+ };
+ scale.ticks = function(interval, skip) {
+ var extent = d3_scaleExtent(scale.domain()), method = interval == null ? tickMethod(extent, 10) : typeof interval === "number" ? tickMethod(extent, interval) : !interval.range && [ {
+ range: interval
+ }, skip ];
+ if (method) interval = method[0], skip = method[1];
+ return interval.range(extent[0], d3_time_scaleDate(+extent[1] + 1), skip < 1 ? 1 : skip);
+ };
+ scale.tickFormat = function() {
+ return format;
+ };
+ scale.copy = function() {
+ return d3_time_scale(linear.copy(), methods, format);
+ };
+ return d3_scale_linearRebind(scale, linear);
+ }
+ function d3_time_scaleDate(t) {
+ return new Date(t);
+ }
+ var d3_time_scaleSteps = [ 1e3, 5e3, 15e3, 3e4, 6e4, 3e5, 9e5, 18e5, 36e5, 108e5, 216e5, 432e5, 864e5, 1728e5, 6048e5, 2592e6, 7776e6, 31536e6 ];
+ var d3_time_scaleLocalMethods = [ [ d3_time.second, 1 ], [ d3_time.second, 5 ], [ d3_time.second, 15 ], [ d3_time.second, 30 ], [ d3_time.minute, 1 ], [ d3_time.minute, 5 ], [ d3_time.minute, 15 ], [ d3_time.minute, 30 ], [ d3_time.hour, 1 ], [ d3_time.hour, 3 ], [ d3_time.hour, 6 ], [ d3_time.hour, 12 ], [ d3_time.day, 1 ], [ d3_time.day, 2 ], [ d3_time.week, 1 ], [ d3_time.month, 1 ], [ d3_time.month, 3 ], [ d3_time.year, 1 ] ];
+ var d3_time_scaleLocalFormat = d3_time_format.multi([ [ ".%L", function(d) {
+ return d.getMilliseconds();
+ } ], [ ":%S", function(d) {
+ return d.getSeconds();
+ } ], [ "%I:%M", function(d) {
+ return d.getMinutes();
+ } ], [ "%I %p", function(d) {
+ return d.getHours();
+ } ], [ "%a %d", function(d) {
+ return d.getDay() && d.getDate() != 1;
+ } ], [ "%b %d", function(d) {
+ return d.getDate() != 1;
+ } ], [ "%B", function(d) {
+ return d.getMonth();
+ } ], [ "%Y", d3_true ] ]);
+ var d3_time_scaleMilliseconds = {
+ range: function(start, stop, step) {
+ return d3.range(Math.ceil(start / step) * step, +stop, step).map(d3_time_scaleDate);
+ },
+ floor: d3_identity,
+ ceil: d3_identity
+ };
+ d3_time_scaleLocalMethods.year = d3_time.year;
+ d3_time.scale = function() {
+ return d3_time_scale(d3.scale.linear(), d3_time_scaleLocalMethods, d3_time_scaleLocalFormat);
+ };
+ var d3_time_scaleUtcMethods = d3_time_scaleLocalMethods.map(function(m) {
+ return [ m[0].utc, m[1] ];
+ });
+ var d3_time_scaleUtcFormat = d3_time_formatUtc.multi([ [ ".%L", function(d) {
+ return d.getUTCMilliseconds();
+ } ], [ ":%S", function(d) {
+ return d.getUTCSeconds();
+ } ], [ "%I:%M", function(d) {
+ return d.getUTCMinutes();
+ } ], [ "%I %p", function(d) {
+ return d.getUTCHours();
+ } ], [ "%a %d", function(d) {
+ return d.getUTCDay() && d.getUTCDate() != 1;
+ } ], [ "%b %d", function(d) {
+ return d.getUTCDate() != 1;
+ } ], [ "%B", function(d) {
+ return d.getUTCMonth();
+ } ], [ "%Y", d3_true ] ]);
+ d3_time_scaleUtcMethods.year = d3_time.year.utc;
+ d3_time.scale.utc = function() {
+ return d3_time_scale(d3.scale.linear(), d3_time_scaleUtcMethods, d3_time_scaleUtcFormat);
+ };
+ d3.text = d3_xhrType(function(request) {
+ return request.responseText;
+ });
+ d3.json = function(url, callback) {
+ return d3_xhr(url, "application/json", d3_json, callback);
+ };
+ function d3_json(request) {
+ return JSON.parse(request.responseText);
+ }
+ d3.html = function(url, callback) {
+ return d3_xhr(url, "text/html", d3_html, callback);
+ };
+ function d3_html(request) {
+ var range = d3_document.createRange();
+ range.selectNode(d3_document.body);
+ return range.createContextualFragment(request.responseText);
+ }
+ d3.xml = d3_xhrType(function(request) {
+ return request.responseXML;
+ });
+ if (typeof define === "function" && define.amd) define(d3); else if (typeof module === "object" && module.exports) module.exports = d3;
+ this.d3 = d3;
+}(); \ No newline at end of file