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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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</style> |
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<body> |
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<button class="randomize">randomize</button> |
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<script src="http://d3js.org/d3.v3.min.js"></script> |
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<script> |
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// CHANGER CES VALEURS UNE FOIS DETERMINEES |
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labels = ["Salaire RH et Manager - 8000", "Frais de déplacement - 5100", "Salaire payé - 15819€"] |
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values = {"Salaire RH et Manager - 8000" : 8000, "Frais de déplacement - 5100" :5100, "Salaire payé - 15819€" : 15819} |
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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", "labels"); |
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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.layout.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.svg.arc() |
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.outerRadius(radius * 0.8) |
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.innerRadius(radius * 0.4); |
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var outerArc = d3.svg.arc() |
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.innerRadius(radius * 0.9) |
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.outerRadius(radius * 0.9); |
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svg.attr("transform", "translate(" + width / 2 + "," + height / 2 + ")"); |
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var key = function(d){ return d.data.label; }; |
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var color = d3.scale.ordinal() |
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.domain(labels) |
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.range(["#98abc5", "#8a89a6", "#7b6888", "#6b486b", "#a05d56", "#d0743c", "#ff8c00"]); |
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function randomData (){ |
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var labels = color.domain(); |
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return labels.map(function(label){ |
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return { label: label, value: values[label] } |
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}); |
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} |
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change(randomData()); |
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d3.select(".randomize") |
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.on("click", function(){ |
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change(randomData()); |
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}); |
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function change(data) { |
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/* ------- PIE SLICES -------*/ |
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var slice = svg.select(".slices").selectAll("path.slice") |
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.data(pie(data), key); |
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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.exit() |
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.remove(); |
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/* ------- TEXT LABELS -------*/ |
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var text = svg.select(".labels").selectAll("text") |
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.data(pie(data), key); |
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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; |
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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.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.exit() |
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.remove(); |
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/* ------- SLICE TO TEXT POLYLINES -------*/ |
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var polyline = svg.select(".lines").selectAll("polyline") |
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.data(pie(data), key); |
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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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</script> |
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</body> |