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<!DOCTYPE html> |
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<meta charset="utf-8"> |
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<style> |
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body { |
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font: 12px sans-serif; |
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color: blue; |
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} |
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.axis path, |
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.axis line { |
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fill: none; |
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stroke: #000; |
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shape-rendering: crispEdges; |
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} |
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.bar { |
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fill: #402824; |
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font-weight: 900; |
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} |
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.xaxislabels { |
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fill: #402824; |
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} |
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.x.axis path { |
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display: none; |
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} |
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.x.axis { |
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color: blue; |
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} |
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</style> |
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<body> |
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<script src="https://d3js.org/d3.v3.min.js" charset="utf-8"></script> |
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<script> |
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var margin = {top: 20, right: 20, bottom: 50, left: 40}, |
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width = 960 - margin.left - margin.right, |
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height = 600 - margin.top - margin.bottom; |
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var negWidth = width * -1; |
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var posWidth = width * 0.5; |
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var x0 = d3.scale.ordinal() |
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.rangeRoundBands([0, width], .1); |
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var x1 = d3.scale.ordinal(); |
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var y = d3.scale.linear() |
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.range([height, 0]); |
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var color = d3.scale.ordinal() |
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.range(["#FFA08F", "#5E83CC", "#40B282"]); |
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var xAxis = d3.svg.axis() |
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.scale(x0) |
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.orient("bottom"); |
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var yAxis = d3.svg.axis() |
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.scale(y) |
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.orient("left") |
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.tickFormat(d3.format(".1s")); |
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var svg = d3.select("body").append("svg") |
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.attr("width", width + margin.left + margin.right) |
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.attr("height", height + margin.top + margin.bottom) |
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.append("g") |
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.attr("transform", "translate(" + margin.left + "," + margin.top + ")"); |
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d3.csv("http://bl.ocks.org/nadinesk/raw/81c88201e760ae35af66c1fd30b6e7f3/data.csv", function(error, data) { |
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if (error) throw error; |
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var ageNames = d3.keys(data[0]).filter(function(key) { return key !== "RegionName"; }); |
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data.forEach(function(d) { |
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d.ages = ageNames.map(function(name) { return {name: name, value: +d[name]}; }); |
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}); |
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x0.domain(data.map(function(d) { return d.RegionName; })); |
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x1.domain(ageNames).rangeRoundBands([0, x0.rangeBand()]); |
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var d3Min = d3.min(data, function (d) { |
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return d3.min(d.ages, function (d) { |
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return d.value; |
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}); |
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}); |
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var d3Max = d3.max(data, function (d) { |
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return d3.max(d.ages, function (d) { |
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return d.value; |
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}); |
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}); |
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y.domain([ d3Min,d3Max ]); |
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var xAxisTransform = height; |
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if(d3Min < 0 && 0 < d3Max) { |
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xAxisTransform = height * (d3Max / (d3Max -d3Min)); |
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} |
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svg.append("g") |
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.attr("class", "y axis") |
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.attr("transform", "translate(0," + xAxisTransform + ")") // this line moves x-axis |
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.call(xAxis) |
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.selectAll("text") |
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.attr("y", 0) |
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.attr("x",5) |
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.attr("transform", "rotate(80)") |
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.attr("class", "xaxislabels") |
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.style("text-anchor", "start"); |
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svg.append("g") |
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.attr("class", "y axis") |
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.call(yAxis) |
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.append("text") |
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.attr("transform", "rotate(-90)") |
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.attr("y", 10) |
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.attr("dy", ".71em") |
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.style("text-anchor", "end") |
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.text("Percent Change"); |
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var state = svg.selectAll(".state") |
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.data(data) |
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.enter().append("g") |
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.attr("class", "state") |
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.attr("transform", function(d) { return "translate(" + x0(d.RegionName) + ",0)"; }); |
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state.selectAll("rect") |
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.data(function (d) { |
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return d.ages; |
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}) |
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.enter().append("rect") |
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.attr("width", x1.rangeBand()) |
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.attr("x", function (d) { |
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return x1(d.name); |
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}) |
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.attr("y", function (d) { |
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if(d.value < 0) |
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return y(0); |
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return y(d.value); |
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}) |
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.attr("height", function (d) { |
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if(d.value < 0) { |
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return y(d.value+d3Max); |
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} |
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return height - y(d.value+d3Min); |
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}) |
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.style("fill", function (d) { |
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return color(d.name); |
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}); |
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state.selectAll("text") |
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.data(function(d) { return d.ages; }) |
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.enter().append("text") |
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.attr("x", function(d) { return y(d.value); }) |
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.attr("y", function(d) { return -x1(d.name); }) |
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.attr("transform", "rotate(90)") |
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.attr("text-anchor", "start") |
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.attr("class","bar" ) |
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.text(function(d, i) { return d.value + "%"; }); |
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var legend = svg.selectAll(".legend") |
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.data(ageNames.slice().reverse()) |
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.enter().append("g") |
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.attr("class", "legend") |
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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 - 18) |
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.attr("width", 18) |
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.attr("height", 18) |
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.style("fill", color); |
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legend.append("text") |
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.attr("x", width - 24) |
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.attr("y", 9) |
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.attr("dy", ".35em") |
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.style("text-anchor", "end") |
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.text(function(d) { return d; }); |
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}); |
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</script> |
