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<!DOCTYPE html> |
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<meta charset="utf-8"> |
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<style> |
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body { |
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font-family: "Helvetica Neue", Helvetica, Arial, sans-serif; |
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width: 960px; |
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height: 500px; |
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position: relative; |
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} |
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svg { |
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width: 100%; |
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height: 100%; |
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} |
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path.slice{ |
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stroke-width:2px; |
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} |
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polyline{ |
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opacity: .3; |
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stroke: black; |
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stroke-width: 2px; |
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fill: none; |
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} |
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.labelValue |
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{ |
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font-size: 60%; |
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opacity: .5; |
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} |
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.toolTip { |
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font-family: "Helvetica Neue", Helvetica, Arial, sans-serif; |
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position: absolute; |
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display: none; |
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width: auto; |
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height: auto; |
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background: none repeat scroll 0 0 white; |
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border: 0 none; |
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border-radius: 8px 8px 8px 8px; |
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box-shadow: -3px 3px 15px #888888; |
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color: black; |
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font: 12px sans-serif; |
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padding: 5px; |
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text-align: center; |
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} |
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text { |
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font: 12px sans-serif; |
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} |
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</style> |
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<body> |
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<form> |
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<label><input type="radio" name="dataset" id="radio_total" value="total" checked> Total</label> |
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<label><input type="radio" name="dataset" id="dataset1" value="femmes"> Femmes</label> |
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<label><input type="radio" name="dataset" id="dataset2" value="hommes"> Hommes</label> |
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</form> |
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<script src="http://d3js.org/d3.v4.min.js"></script> |
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<script> |
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//par défaut, le button total est choisi |
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var v = d3.select("#radio_total").node().value; |
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var svg = d3.select("body") |
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.append("svg") |
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.append("g") |
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svg.append("g") |
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.attr("class", "slices"); |
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svg.append("g") |
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.attr("class", "labelName"); |
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svg.append("g") |
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.attr("class", "labelValue"); |
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svg.append("g") |
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.attr("class", "lines"); |
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var width = 960, |
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height = 450, |
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radius = Math.min(width, height) / 2; |
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var pie = d3.pie() |
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.sort(null) |
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.value(function(d) { |
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return d.value; |
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}); |
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var arc = d3.arc() |
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.outerRadius(radius * 0.8) |
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.innerRadius(radius * 0.4); |
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var outerArc = d3.arc() |
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.innerRadius(radius * 0.9) |
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.outerRadius(radius * 0.9); |
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var legendRectSize = (radius * 0.05); |
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var legendSpacing = radius * 0.02; |
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var div = d3.select("body").append("div").attr("class", "toolTip"); |
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svg.attr("transform", "translate(" + width / 2 + "," + height / 2 + ")"); |
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var color = d3.scaleOrdinal(d3.schemeCategory20); |
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datasetTotal = [ |
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{label:"Moins de 25 ans", value:20.1}, |
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{label:"Entre 25 et 45 ans", value:45.05}, |
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{label:"Entre 46 et 70 ans", value:29.58}, |
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{label:"Plus de 70 ans", value:5.28} |
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]; |
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datasetOption1 = [ |
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{label:"Moins de 25 ans", value:18.07}, |
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{label:"Entre 25 et 45 ans", value:45.37}, |
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{label:"Entre 46 et 70 ans", value:30.29}, |
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{label:"Plus de 70 ans", value:6.27} |
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]; |
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datasetOption2 = [ |
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{label:"Moins de 25 ans", value:20.74}, |
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{label:"Entre 25 et 45 ans", value:44.95}, |
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{label:"Entre 46 et 70 ans", value:29.35}, |
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{label:"Plus de 70 ans", value:4.96} |
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]; |
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change(datasetTotal); |
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d3.selectAll("input") |
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.on("change", selectDataset); |
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function selectDataset() |
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{ |
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//var value = this.value; |
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var value = d3.select('input[name="dataset"]:checked').node().value |
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if (value == "total") |
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{ |
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change(datasetTotal); |
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} |
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else if (value == "femmes") |
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{ |
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change(datasetOption1); |
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} |
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else if (value == "hommes") |
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{ |
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change(datasetOption2); |
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} |
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} |
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function change(data) { |
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/* ------- PIE SLICES -------*/ |
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var slice = d3.select(".slices").selectAll("path.slice") |
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.data(pie(data), function(d){ return d.data.label }); |
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slice.enter() |
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.insert("path") |
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.style("fill", function(d) { return color(d.data.label); }) |
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.attr("class", "slice"); |
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slice |
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.transition().duration(1000) |
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.attrTween("d", function(d) { |
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this._current = this._current || d; |
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var interpolate = d3.interpolate(this._current, d); |
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this._current = interpolate(0); |
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return function(t) { |
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return arc(interpolate(t)); |
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}; |
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}) |
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slice |
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.on("mousemove", function(d){ |
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div.style("left", d3.event.pageX+10+"px"); |
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div.style("top", d3.event.pageY-25+"px"); |
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div.style("display", "inline-block"); |
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div.html((d.data.label)+"<br>"+(d.data.value)+"%"); |
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}); |
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slice |
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.on("mouseout", function(d){ |
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div.style("display", "none"); |
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}); |
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slice.exit() |
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.remove(); |
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var legend = svg.selectAll('.legend') |
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.data(color.domain()) |
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.enter() |
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.append('g') |
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.attr('class', 'legend') |
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.attr('transform', function(d, i) { |
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var height = legendRectSize + legendSpacing; |
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var offset = height * color.domain().length / 2; |
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var horz = -5 * legendRectSize; |
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var vert = i * height - offset; |
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return 'translate(' + horz + ',' + vert + ')'; |
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}); |
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legend.append('rect') |
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.attr('width', legendRectSize) |
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.attr('height', legendRectSize) |
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.style('fill', color) |
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.style('stroke', color); |
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legend.append('text') |
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.attr('x', legendRectSize + legendSpacing) |
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.attr('y', legendRectSize - legendSpacing) |
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.text(function(d) { return d; }); |
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/* ------- TEXT LABELS -------*/ |
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var text = d3.select(".labelName").selectAll("text") |
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.data(pie(data), function(d){ return d.data.label }); |
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text.enter() |
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.append("text") |
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.attr("dy", ".35em") |
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.text(function(d) { |
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return (d.data.label+": "+d.value+"%"); |
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}); |
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function midAngle(d){ |
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return d.startAngle + (d.endAngle - d.startAngle)/2; |
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} |
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text |
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.transition().duration(1000) |
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.attrTween("transform", function(d) { |
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this._current = this._current || d; |
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var interpolate = d3.interpolate(this._current, d); |
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this._current = interpolate(0); |
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return function(t) { |
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var d2 = interpolate(t); |
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var pos = outerArc.centroid(d2); |
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pos[0] = radius * (midAngle(d2) < Math.PI ? 1 : -1); |
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return "translate("+ pos +")"; |
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}; |
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}) |
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.styleTween("text-anchor", function(d){ |
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this._current = this._current || d; |
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var interpolate = d3.interpolate(this._current, d); |
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this._current = interpolate(0); |
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return function(t) { |
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var d2 = interpolate(t); |
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return midAngle(d2) < Math.PI ? "start":"end"; |
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}; |
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}) |
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.text(function(d) { |
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return (d.data.label+": "+d.value+"%"); |
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}); |
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text.exit() |
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.remove(); |
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/* ------- SLICE TO TEXT POLYLINES -------*/ |
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var polyline = d3.select(".lines").selectAll("polyline") |
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.data(pie(data), function(d){ return d.data.label }); |
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polyline.enter() |
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.append("polyline"); |
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polyline.transition().duration(1000) |
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.attrTween("points", function(d){ |
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this._current = this._current || d; |
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var interpolate = d3.interpolate(this._current, d); |
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this._current = interpolate(0); |
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return function(t) { |
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var d2 = interpolate(t); |
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var pos = outerArc.centroid(d2); |
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pos[0] = radius * 0.95 * (midAngle(d2) < Math.PI ? 1 : -1); |
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return [arc.centroid(d2), outerArc.centroid(d2), pos]; |
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}; |
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}); |
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polyline.exit() |
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.remove(); |
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}; |
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selectDataset(); |
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</script> |
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</body> |