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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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