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<!DOCTYPE html> <meta charset="utf-8"> <style> body { font-family: "Helvetica Neue", Helvetica, Arial, sans-serif; margin: auto; position: relative; width: 960px; } text { font: 10px sans-serif; } .axis path { display: none; } .axis line { fill: none; stroke: #000; shape-rendering: crispEdges; } .group-label { font-weight: bold; text-anchor: end; } form { position: absolute; right: 10px; top: 10px; } </style> <form> </form> <script src="//d3js.org/d3.v3.min.js"></script> <script> var area = d3.svg.area() .interpolate("basis") .x(function(d) { return x(d.date); }) .y1(function(d) { return y(d.price); }); var parseDate = d3.time.format("%b %Y").parse, dateFormat = d3.time.format("%b %Y"); var margin = {top: 10, right: 20, bottom: 20, left: 60}, width = 960 - margin.left - margin.right, height = 500 - margin.top - margin.bottom; var y0 = d3.scale.ordinal() .rangeRoundBands([height, 0], .2); var y1 = d3.scale.linear(); var duration = 1500, delay = 500; var x = d3.scale.ordinal() .rangeRoundBands([0, width], .1, 0); var xAxis = d3.svg.axis() .scale(x) .orient("bottom") .tickFormat(dateFormat); var nest = d3.nest() .key(function(d) { return d.symbol; }); var stack = d3.layout.stack() .values(function(d) { return d.values; }) .x(function(d) { return d.date; }) .y(function(d) { return d.price; }) .out(function(d, y0) { d.valueOffset = y0; }); var color = d3.scale.category10(); var svg = d3.select("body").append("svg") .attr("width", width + margin.left + margin.right) .attr("height", height + margin.top + margin.bottom) .append("g") .attr("transform", "translate(" + margin.left + "," + margin.top + ")"); d3.csv("stocks.csv", function(error, data) { data.forEach(function(d) { d.date = parseDate(d.date); d.price = +d.price; }); var dataByGroup = nest.entries(data); stack(dataByGroup); x.domain(dataByGroup[0].values.map(function(d) { return d.date; })); y0.domain(dataByGroup.map(function(d) { return d.key; })); y1.domain([0, d3.max(data, function(d) { return d.price; })]).range([y0.rangeBand(), 0]); var symbol = svg.selectAll(".symbol") .data(dataByGroup) .enter().append("g") .attr("class", "symbol") .attr("transform", function(d) { return "translate(0," + y0(d.key) + ")"; }); symbol.append("text") .attr("class", "group-label") .attr("x", -6) .attr("y", function(d) { return y1(d.values[0].price / 2); }) .attr("dy", ".35em") .text(function(d) { return "Group " + d.key; }); symbol.selectAll("rect") .data(function(d) { return d.values; }) .enter().append("rect") .style("fill", function(d) { return color(d.symbol); }) .attr("x", function(d) { return x(d.date); }) .attr("y", function(d) { return y1(d.price); }) .attr("width", x.rangeBand()) .attr("height", function(d) { return y0.rangeBand() - y1(d.price); }); symbol.filter(function(d, i) { return !i; }).append("g") .attr("class", "x axis") .attr("transform", "translate(0," + y0.rangeBand() + ")") .call(xAxis); var timeout = setTimeout(function() { d3.select("input[value=\"stacked\"]").property("checked", true).each(change); }, 5000); function change() { clearTimeout(timeout); if (this.value === "multiples") transitionMultiples(); else transitionStacked(); } function transitionMultiples() { var t = svg.transition().duration(750), g = t.selectAll(".symbol").attr("transform", function(d) { return "translate(0," + y0(d.key) + ")"; }); g.selectAll("rect").attr("y", function(d) { return y1(d.price); }); g.select(".group-label").attr("y", function(d) { return y1(d.values[0].price / 2); }) setTimeout(transitionStacked, duration + delay); } function transitionStacked() { var t = svg.transition().duration(750), g = t.selectAll(".symbol").attr("transform", "translate(0," + y0(y0.domain()[0]) + ")"); g.selectAll("rect").attr("y", function(d) { return y1(d.price + d.valueOffset); }); g.select(".group-label").attr("y", function(d) { return y1(d.values[0].price / 2 + d.values[0].valueOffset); }) setTimeout(transitionMultiples, duration); } }); </script>
https://d3js.org/d3.v3.min.js