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<!DOCTYPE html> |
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<style> |
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.axis .domain { |
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display: none; |
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} |
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</style> |
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<svg width="960" height="500"></svg> |
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<script src="https://d3js.org/d3.v4.min.js"></script> |
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<script> |
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var svg = d3.select("svg"), |
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margin = {top: 20, right: 20, bottom: 30, left: 40}, |
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width = +svg.attr("width") - margin.left - margin.right, |
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height = +svg.attr("height") - margin.top - margin.bottom, |
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g = svg.append("g").attr("transform", "translate(" + margin.left + "," + margin.top + ")"); |
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var x = d3.scaleBand() |
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.rangeRound([0, width]) |
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.paddingInner(0.05) |
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.align(0.1); |
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var y = d3.scaleLinear() |
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.rangeRound([height, 0]); |
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var z = d3.scaleOrdinal() |
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.range(["#98abc5", "#8a89a6", "#7b6888", "#6b486b", "#a05d56", "#d0743c", "#ff8c00"]); |
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var xAxis = d3.axisBottom(x) |
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function update(data, keys) { |
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data = [...data]; |
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const sortFn = (a, b) => d3.ascending(a.State, b.State); |
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const xCopy = x.domain(data.sort(sortFn).map(d => d.State)).copy(); |
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const t = d3.transition().duration(750); |
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const delay = (d, i) => i * 20; |
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const groups = d3.selectAll("g.bar-group") |
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.data(d3.stack().keys(keys)(data)) |
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.attr("fill", function(d) { return z(d.key); }); |
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const bars = groups.selectAll(".bar") |
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.data(d => d, d => d.data.State) |
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.sort((a, b) => xCopy(a.data.State) - xCopy(b.data.State)) |
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t.selectAll("g.bar-group") |
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.selectAll(".bar") |
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.delay(delay) |
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.attr("x", function(d) { return xCopy(d.data.State)}) |
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t.select(".axis.x") |
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.call(xAxis) |
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.selectAll("g") |
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.delay(delay) |
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} |
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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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var keys = data.columns.slice(1); |
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data.sort(function(a, b) { return b.total - a.total; }); |
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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; })]).nice(); |
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z.domain(keys); |
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g.append("g") |
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.selectAll("g") |
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.data(d3.stack().keys(keys)(data)) |
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.enter().append("g") |
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.classed("bar-group", true) |
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.attr("fill", function(d) { return z(d.key); }) |
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.selectAll("rect") |
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.data(function(d) { return d; }, d => d.data.State) |
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.enter().append("rect") |
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.classed("bar", true) |
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.attr("x", function(d) { return x(d.data.State); }) |
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.attr("y", function(d) { return y(d[1]); }) |
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.attr("height", function(d) { return y(d[0]) - y(d[1]); }) |
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.attr("width", x.bandwidth()); |
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g.append("g") |
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.attr("class", "axis x") |
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.attr("transform", "translate(0," + height + ")") |
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.call(xAxis); |
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g.append("g") |
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.attr("class", "axis y") |
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.call(d3.axisLeft(y).ticks(null, "s")) |
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.append("text") |
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.attr("x", 2) |
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.attr("y", y(y.ticks().pop()) + 0.5) |
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.attr("dy", "0.32em") |
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.attr("fill", "#000") |
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.attr("font-weight", "bold") |
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.attr("text-anchor", "start") |
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.text("Population"); |
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var legend = g.append("g") |
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.attr("font-family", "sans-serif") |
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.attr("font-size", 10) |
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.attr("text-anchor", "end") |
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.selectAll("g") |
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.data(keys.slice().reverse()) |
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.enter().append("g") |
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.attr("transform", function(d, i) { return "translate(0," + i * 20 + ")"; }); |
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legend.append("rect") |
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.attr("x", width - 19) |
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.attr("width", 19) |
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.attr("height", 19) |
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.attr("fill", z); |
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legend.append("text") |
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.attr("x", width - 24) |
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.attr("y", 9.5) |
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.attr("dy", "0.32em") |
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.text(function(d) { return d; }); |
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setTimeout(() => { |
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update(data, keys) |
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}, 1000) |
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}); |
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</script> |