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D3byEX 10.3: Expanded Area Graph
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta name="description" content="D3byEX 10.3" /> | |
| <meta charset="utf-8"> | |
| </head> | |
| <body> | |
| <script src="http://d3js.org/d3.v3.min.js"></script> | |
| <script> | |
| var url = 'https://gist.githubusercontent.com/d3byex/25129228aa50c30ef01f/raw/17838a0a03d94328a529de1dd768e956ce217af1/stacked_bars.csv'; | |
| d3.csv(url, function (error, data) { | |
| var keys = d3.keys(data[0]) | |
| .filter(function (key) { | |
| return key !== "State"; | |
| }); | |
| var statesAndAges = keys.map(function (ageRange) { | |
| return data.map(function (d) { | |
| return { | |
| x: d.State, | |
| y: +d[ageRange] | |
| }; | |
| }); | |
| }); | |
| var stackedData = d3.layout.stack() | |
| .offset('expand')(statesAndAges); | |
| var width = 960, height = 500; | |
| var svg = d3.select('body') | |
| .append("svg") | |
| .attr({ | |
| width: width, | |
| height: height | |
| }); | |
| var yScale = d3.scale.linear() | |
| .domain([0, 1]) | |
| .range([0, height]); | |
| var xScale = d3.scale.ordinal() | |
| .domain(d3.range(stackedData[0].length)) | |
| .rangeRoundBands([0, width], 0.05); | |
| var colors = d3.scale.ordinal() | |
| .range(["#98abc5", "#8a89a6", "#7b6888", | |
| "#6b486b", "#a05d56", "#d0743c", "#ff8c00"]); | |
| svg.selectAll("path") | |
| .data(stackedData) | |
| .enter() | |
| .append("path") | |
| .style("fill", function (d, i) { | |
| return colors(i); | |
| }); | |
| var area = d3.svg.area() | |
| .x(function (d, i) { | |
| return xScale(i); | |
| }) | |
| .y0(function (d) { | |
| return height - yScale(d.y0); | |
| }) | |
| .y1(function (d) { | |
| return height - yScale(d.y + d.y0); | |
| }); | |
| svg.selectAll("path") | |
| .data(stackedData) | |
| .attr("d", function (d) { | |
| return area(d); | |
| }); | |
| }); | |
| </script> | |
| </body> | |
| </html> |
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