Click the legend.
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October 3, 2018 16:45
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Diverging stacked bar chart
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| license: gpl-3.0 |
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| <head> | |
| <meta charset="utf-8"> | |
| <script src="https://d3js.org/d3.v5.min.js"></script> | |
| <style> | |
| body { | |
| padding-top: 45px; | |
| margin:auto; | |
| width: 650px; | |
| font: 14px Consolas; | |
| } | |
| .tick text { | |
| font-size: 11px; | |
| } | |
| .x-axis text { | |
| font-size: 14px; | |
| fill: #fff; | |
| font-weight: bold; | |
| font-family: Consolas; | |
| text-shadow: 1px 1px 0 #000; | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <svg width="650" height="360" id="chart"></svg> | |
| Choose Year: | |
| <select id="options"></select> | |
| <script> | |
| var server = [ | |
| {year: "2017", quarter: "Q1", team1: 400, team2: 920, team3: 196, non: -421}, | |
| {year: "2017", quarter: "Q2", team1: 400, team2: 440, team3: 760, non: -542}, | |
| {year: "2017", quarter: "Q3", team1: 600, team2: 760, team3: 640, non: -701}, | |
| {year: "2017", quarter: "Q4", team1: 400, team2: 480, team3: 640, non: -312}, | |
| {year: "2018", quarter: "Q1", team1: 920, team2: 196, team3: 400, non: -221}, | |
| {year: "2018", quarter: "Q2", team1: 440, team2: 960, team3: 400, non: -442}, | |
| {year: "2018", quarter: "Q3", team1: 960, team2: 640, team3: 600, non: -501}, | |
| {year: "2018", quarter: "Q4", team1: 480, team2: 640, team3: 400, non: -212} | |
| ]; | |
| chart(server); | |
| function chart(result) { | |
| var years = [...new Set(result.map(d => d.year))] | |
| var options = d3.select("#options").selectAll("option") | |
| .data(years) | |
| .enter().append("option") | |
| .text(d => d) | |
| var keys = Object.keys(result[0]).slice(2), | |
| copy = [].concat(keys); | |
| var svg = d3.select("#chart"), | |
| margin = {top: 15, right: 35, bottom: 15, left: 40}, | |
| width = +svg.attr("width") - margin.left - margin.right, | |
| height = +svg.attr("height") - margin.top - margin.bottom; | |
| var x = d3.scaleBand() | |
| .rangeRound([margin.left, width - margin.right]) | |
| .padding(0.1); | |
| var y = d3.scaleLinear() | |
| .rangeRound([height - margin.bottom, margin.top]); | |
| var color = d3.scaleOrdinal() | |
| .range(["steelblue", "darkorange", "lightblue", "crimson"]); | |
| var xAxis = svg.append("g") | |
| .attr("transform", "translate(0," + (height - margin.bottom) + ")") | |
| .attr("class","x-axis"); | |
| var yAxis = svg.append("g") | |
| .attr("transform", "translate(" + margin.left + ",0)") | |
| .attr("class", "y-axis"); | |
| var legend = svg.selectAll(".legend") | |
| .data(keys) | |
| .enter().append("g") | |
| .attr("class", "legend") | |
| .attr("transform", (d, i) => `translate(${margin.left},${i * 30})`); | |
| legend.append("text") | |
| .attr("x", width - 10) | |
| .attr("y", margin.top) | |
| .attr("text-anchor", "end") | |
| .attr("dy", "1em") | |
| .text(d => d); | |
| legend.append("rect") | |
| .attr("width", 19) | |
| .attr("height", 19) | |
| .attr("x", width) | |
| .attr("y", margin.top) | |
| .attr("fill", color) | |
| .attr("stroke", color) | |
| .attr("value", d => d) | |
| .on("click", keyFilter) | |
| draw(d3.select("#options").property("value"), 0, keys); | |
| function draw(input, speed) { | |
| var data = result.filter(f => f.year == input) | |
| keys.sort((a, b) => copy.indexOf(a) - copy.indexOf(b)) | |
| var series = d3.stack() | |
| .keys(keys) | |
| .offset(d3.stackOffsetDiverging)(data); | |
| x.domain(data.map(d => d.quarter)); | |
| y.domain([ | |
| d3.min(series, stackMin), | |
| d3.max(series, stackMax) | |
| ]).nice(); | |
| var barGroups = svg.selectAll("g.layer") | |
| .data(series, d => d.key); | |
| barGroups.exit().remove(); | |
| barGroups.enter().insert("g", ".x-axis") | |
| .attr("fill", d => color(d.key)) | |
| .classed('layer', true); | |
| var bars = svg.selectAll("g.layer").selectAll(".bars") | |
| .data(d => d, d => d.data.quarter); | |
| bars.exit().remove(); | |
| bars.enter().append("rect") | |
| .attr("class", "bars") | |
| .attr("width", x.bandwidth()) | |
| .attr("x", d => x(d.data.quarter)) | |
| .attr("y", d => y(d[1])) | |
| .merge(bars) | |
| .transition().duration(speed) | |
| .attr("y", d => y(d[1])) | |
| .attr("height", d => Math.abs(y(d[0])) - y(d[1])) | |
| xAxis.transition().duration(speed) | |
| .attr("transform", "translate(0," + y(0) + ")") | |
| .call(d3.axisBottom(x)); | |
| yAxis.transition().duration(speed) | |
| .call(d3.axisLeft(y)); | |
| } | |
| function keyFilter() { | |
| var value = d3.select(this).attr("value"); | |
| var thisColor = d3.select(this).attr("stroke"); | |
| if (d3.select(this).attr("fill") == "rgb(255, 255, 255)") { | |
| d3.select(this).transition().duration(150) | |
| .attr("fill", thisColor) | |
| keys.push(value) | |
| } else { | |
| d3.select(this).transition().duration(150) | |
| .attr("fill", "#fff") | |
| keys.splice(keys.indexOf(value), 1); | |
| } | |
| draw(d3.select("#options").property("value"), 450, keys) | |
| } | |
| var selectYear = d3.select("#options") | |
| .style("border-radius", "3px") | |
| .style("padding", "1px 3px 1px 3px") | |
| .on("change", function() { | |
| draw(this.value, 750, keys) | |
| }) | |
| } | |
| function stackMin(serie) { | |
| return d3.min(serie, function(d) { return d[0]; }); | |
| } | |
| function stackMax(serie) { | |
| return d3.max(serie, function(d) { return d[1]; }); | |
| } | |
| </script> | |
| </body> |
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