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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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function rightRoundedRect(x, y, width, height, radius) { |
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return "M" + x + "," + (y + height) |
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+ "h" + width |
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//+ "a" + radius + "," + radius + " 0 0 1 " + radius + "," + radius |
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+ "v" + ( - (height - 2 * radius)) |
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+ "a" + radius + "," + radius + " 0 0 0 " + -radius + "," + -radius |
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+ "h" + (- (width - 2 * radius)) |
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+ "a" + radius + "," + radius + " 1 0 0 " + -radius + "," + radius |
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+ "z"; |
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} |
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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 x0 = d3.scaleBand() |
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.rangeRound([0, width]) |
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.paddingInner(0.1); |
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var x1 = d3.scaleBand() |
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.padding(0.05); |
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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(['#0c6ebb', '#11bce8', '#9beffa', "#6b486b", "#a05d56", "#d0743c", "#ff8c00"]); |
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d3.csv("data.csv", function(d, i, columns) { |
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for (var i = 1, n = columns.length; i < n; ++i) d[columns[i]] = +d[columns[i]]; |
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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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x0.domain(data.map(function(d) { return d.State; })); |
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x1.domain(keys).rangeRound([0, x0.bandwidth()]); |
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y.domain([0, d3.max(data, function(d) { return d3.max(keys, function(key) { return d[key]; }); })]).nice(); |
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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("transform", function(d) { return "translate(" + x0(d.State) + ",0)"; }) |
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.selectAll("path") |
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.data(function(d) { return keys.map(function(key) { return {key: key, value: d[key]}; }); }) |
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.enter() |
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.append('path') |
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.attr('d', function(d) { |
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return rightRoundedRect(x1(d.key), y(d.value), x1.bandwidth(), height - y(d.value), 4); |
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}) |
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.attr("fill", function(d) { return z(d.key); }); |
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g.append("g") |
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.attr("class", "axis") |
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.attr("transform", "translate(0," + height + ")") |
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.call(d3.axisBottom(x0)); |
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g.append("g") |
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.attr("class", "axis") |
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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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}); |
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</script> |
