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<!DOCTYPE html> |
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<meta charset="utf-8"> |
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<svg width="960" height="960" font-family="sans-serif" font-size="10"></svg> |
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<script src="https://d3js.org/d3.v4.min.js"></script> |
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<script src="d3-scale-radial.js"></script> |
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<script> |
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var svg = d3.select("svg"), |
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width = +svg.attr("width"), |
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height = +svg.attr("height"), |
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innerRadius = 180, |
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outerRadius = Math.min(width, height) / 2, |
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g = svg.append("g").attr("transform", "translate(" + width / 2 + "," + height / 2 + ")"); |
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var x = d3.scaleBand() |
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.range([0, 2 * Math.PI]) |
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.align(0); |
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var y = d3.scaleRadial() |
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.range([innerRadius, outerRadius]); |
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var z = d3.scaleOrdinal() |
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.range(["#98abc5", "#8a89a6", "#7b6888", "#6b486b", "#a05d56", "#d0743c", "#ff8c00"]); |
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d3.csv("data.csv", function(d, i, columns) { |
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for (i = 1, t = 0; i < columns.length; ++i) t += d[columns[i]] = +d[columns[i]]; |
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d.total = t; |
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return d; |
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}, function(error, data) { |
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if (error) throw error; |
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x.domain(data.map(function(d) { return d.State; })); |
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y.domain([0, d3.max(data, function(d) { return d.total; })]); |
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z.domain(data.columns.slice(1)); |
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g.append("g") |
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.selectAll("g") |
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.data(d3.stack().keys(data.columns.slice(1))(data)) |
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.enter().append("g") |
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.attr("fill", function(d) { return z(d.key); }) |
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.selectAll("path") |
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.data(function(d) { return d; }) |
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.enter().append("path") |
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.attr("d", d3.arc() |
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.innerRadius(function(d) { return y(d[0]); }) |
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.outerRadius(function(d) { return y(d[1]); }) |
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.startAngle(function(d) { return x(d.data.State); }) |
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.endAngle(function(d) { return x(d.data.State) + x.bandwidth(); }) |
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.padAngle(0.01) |
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.padRadius(innerRadius)); |
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var label = g.append("g") |
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.selectAll("g") |
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.data(data) |
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.enter().append("g") |
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.attr("text-anchor", "middle") |
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.attr("transform", function(d) { return "rotate(" + ((x(d.State) + x.bandwidth() / 2) * 180 / Math.PI - 90) + ")translate(" + innerRadius + ",0)"; }); |
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label.append("line") |
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.attr("x2", -5) |
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.attr("stroke", "#000"); |
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label.append("text") |
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.attr("transform", function(d) { return (x(d.State) + x.bandwidth() / 2 + Math.PI / 2) % (2 * Math.PI) < Math.PI ? "rotate(90)translate(0,16)" : "rotate(-90)translate(0,-9)"; }) |
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.text(function(d) { return d.State; }); |
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var yAxis = g.append("g") |
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.attr("text-anchor", "middle"); |
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var yTick = yAxis |
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.selectAll("g") |
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.data(y.ticks(5).slice(1)) |
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.enter().append("g"); |
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yTick.append("circle") |
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.attr("fill", "none") |
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.attr("stroke", "#000") |
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.attr("r", y); |
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yTick.append("text") |
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.attr("y", function(d) { return -y(d); }) |
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.attr("dy", "0.35em") |
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.attr("fill", "none") |
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.attr("stroke", "#fff") |
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.attr("stroke-width", 5) |
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.text(y.tickFormat(5, "s")); |
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yTick.append("text") |
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.attr("y", function(d) { return -y(d); }) |
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.attr("dy", "0.35em") |
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.text(y.tickFormat(5, "s")); |
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yAxis.append("text") |
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.attr("y", function(d) { return -y(y.ticks(5).pop()); }) |
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.attr("dy", "-1em") |
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.text("Population"); |
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var legend = g.append("g") |
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.selectAll("g") |
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.data(data.columns.slice(1).reverse()) |
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.enter().append("g") |
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.attr("transform", function(d, i) { return "translate(-40," + (i - (data.columns.length - 1) / 2) * 20 + ")"; }); |
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legend.append("rect") |
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.attr("width", 18) |
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.attr("height", 18) |
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.attr("fill", z); |
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legend.append("text") |
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.attr("x", 24) |
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.attr("y", 9) |
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.attr("dy", "0.35em") |
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.text(function(d) { return d; }); |
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}); |
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</script> |