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Pie Chart with Legend
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| age | population | |
|---|---|---|
| <5 | 2704659 | |
| 5-13 | 4499890 | |
| 14-17 | 2159981 | |
| 18-24 | 3853788 | |
| 25-44 | 14106543 | |
| 45-64 | 8819342 | |
| ≥65 | 612463 |
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| <!DOCTYPE html> | |
| <meta charset="utf-8"> | |
| <style> | |
| </style> | |
| <body> | |
| <script src="http://d3js.org/d3.v3.min.js"></script> | |
| <script> | |
| var width = 960, | |
| height = 500; | |
| var color = d3.scale.ordinal() | |
| .range(["#98abc5", "#8a89a6", "#7b6888", "#6b486b", "#a05d56", "#d0743c", "#ff8c00"]); | |
| var arc = d3.svg.arc() | |
| .outerRadius(Math.min(width, height) / 2 - 10) | |
| .innerRadius(Math.min(width, height) / 2 - 70); | |
| var pie = d3.layout.pie() | |
| .value(function(d) { return d.population; }); | |
| var svg = d3.select("body").append("svg") | |
| .attr("width", width) | |
| .attr("height", height) | |
| .append("g") | |
| .attr("transform", "translate(" + width / 2 + "," + height / 2 + ")"); | |
| d3.csv("data.csv", function(error, data) { | |
| data.forEach(function(d) { | |
| d.population = +d.population; | |
| }); | |
| var g = svg.selectAll(".arc") | |
| .data(pie(data)) | |
| .enter().append("g") | |
| .attr("class", "arc"); | |
| g.append("path") | |
| .attr("d", arc) | |
| .style("fill", function(d) { return color(d.data.age); }); | |
| }); | |
| </script> |
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