Created
November 29, 2015 23:55
-
-
Save d3byex/e64787c6b478f585c69b to your computer and use it in GitHub Desktop.
D3byEX 10.8: Streamgraph
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
<!DOCTYPE html> | |
<html> | |
<head> | |
<meta name="description" content="D3byEX 10.8" /> | |
<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/4393a0e579cbfd9bb20a431ce93c72fb1ea23537/streamgraph.json'; | |
d3.json(url, function (error, rawData) { | |
var width = 960, height = 500; | |
var svg = d3.select('body') | |
.append('svg') | |
.attr({ | |
'width': width, | |
'height': height | |
}); | |
var data = Array(); | |
d3.map(rawData, function (d, i) { | |
data[i] = d.map(function (i, j) { | |
return { x: j, y: i }; | |
}); | |
}); | |
var numPointsPerLayer = data[0].length; | |
var xScale = d3.scale.linear() | |
.domain([0, numPointsPerLayer - 1]) | |
.range([0, width]); | |
var layers = d3.layout.stack() | |
.offset('wiggle')(data); | |
var yScale = d3.scale.linear() | |
.domain([ | |
0, d3.max(layers, function (layer) { | |
return d3.max(layer, function (d) { | |
return d.y0 + d.y; | |
}); | |
}) | |
]) | |
.range([height, 0]); | |
var area = d3.svg.area() | |
.x(function (d) { return xScale(d.x); }) | |
.y0(function (d) { return yScale(d.y0); }) | |
.y1(function (d) { return yScale(d.y0 + d.y); }); | |
var color = d3.scale.category10(); | |
svg.selectAll('path') | |
.data(layers) | |
.enter() | |
.append('path') | |
.attr('d', area) | |
.style('fill', function () { | |
return color(Math.random()); | |
}); | |
}); | |
</script> | |
</body> | |
</html> |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment