Pie chart according to a poll of the coming Valencian elections.
Based on this example by rveciana.
Last active
October 28, 2017 16:47
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Simple hemicycle chart
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| license: mit | |
| height: 330 | |
| border: none |
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| partido | escaños | color | |
|---|---|---|---|
| PP | 28 | #03a9e7 | |
| PSOE | 23 | #ff2f2e | |
| IU | 5 | #149f27 | |
| Compromís | 9 | #F67116 | |
| Podemos | 17 | #82398a | |
| Ciudadanos | 17 | #F18624 |
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| <!DOCTYPE html> | |
| <html lang="en"> | |
| <style type="text/css"> | |
| .arc { | |
| stroke: white; | |
| stroke-width: 0.5px; | |
| } | |
| .arc:hover { | |
| fill-opacity: 0.7; | |
| } | |
| .seat-text { | |
| fill: white; | |
| font-family: "Helvetica Neue", Helvetica, Arial, sans-serif; | |
| font-size: 13px; | |
| font-weight: 700; | |
| } | |
| </style> | |
| <body> | |
| <script src="https://d3js.org/d3.v4.min.js"></script> | |
| <script type="text/javascript"> | |
| var margin = { top: 10, right: 10, bottom: 20, left: 10 }, | |
| width = 960 - margin.left - margin.right, | |
| height = 500 - margin.top - margin.bottom; | |
| var radius = 280; | |
| var arc = d3 | |
| .arc() | |
| .outerRadius(radius) | |
| .innerRadius(radius - 100); | |
| var pie = d3 | |
| .pie() | |
| .value(function(d) { | |
| return d.escaños; | |
| }) | |
| .startAngle(-1 * Math.PI / 2) | |
| .endAngle(Math.PI / 2); | |
| var svg = d3 | |
| .select("body") | |
| .append("svg") | |
| .attr("width", width + margin.left + margin.right) | |
| .attr("height", height + margin.top + margin.bottom) | |
| .append("g") | |
| .attr("transform", "translate(" + width / 2 + "," + height / 1.5 + ")"); | |
| d3.csv("encuesta.csv", function(d) { | |
| var piedData = pie(d); | |
| var slice = svg | |
| .selectAll(".arc") | |
| .data(piedData) | |
| .enter() | |
| .append("g") | |
| .attr("class", function(d) { | |
| return "arc " + d.data.partido.toLowerCase(); | |
| }); | |
| slice | |
| .append("path") | |
| .attr("d", arc) | |
| .style("fill", function(d) { | |
| return d3.rgb(d.data.color); | |
| }); | |
| slice | |
| .append("text") | |
| .attr("transform", function(d, i) { | |
| return "translate(" + arc.centroid(piedData[i]) + ")"; | |
| }) | |
| .attr("dy", ".35em") | |
| .style("pointer-events", "none") | |
| .attr("class", "seat-text") | |
| .style("text-anchor", "middle") | |
| .text(function(d) { | |
| return d.data.partido + ": " + d.data.escaños; | |
| }); | |
| }); | |
| </script> |
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