Stack generator (offsetExpand).
From D3 in Depth book by Peter Cook.
license: gpl-3.0 | |
height: 160 | |
border: no |
Stack generator (offsetExpand).
From D3 in Depth book by Peter Cook.
<!DOCTYPE html> | |
<meta charset="utf-8"> | |
<head> | |
<title>Stack generator (offsetExpand)</title> | |
</head> | |
<body> | |
<svg width="700" height="150"> | |
<g transform="translate(20, 0)"></g> | |
</svg> | |
<script src="https://cdnjs.cloudflare.com/ajax/libs/d3/4.2.2/d3.min.js"></script> | |
<script> | |
var yScale = d3.scaleLinear().domain([0, 1]).range([150, 0]); | |
var areaGenerator = d3.area() | |
.x(function(d, i) { | |
return i * 100; | |
}) | |
.y0(function(d) { | |
return yScale(d[0]); | |
}) | |
.y1(function(d) { | |
return yScale(d[1]); | |
}); | |
var colors = ['#FBB65B', '#513551', '#de3163']; | |
var data = [ | |
{day: 'Mon', apricots: 120, blueberries: 180, cherries: 100}, | |
{day: 'Tue', apricots: 60, blueberries: 185, cherries: 105}, | |
{day: 'Wed', apricots: 100, blueberries: 215, cherries: 110}, | |
{day: 'Thu', apricots: 80, blueberries: 230, cherries: 105}, | |
{day: 'Fri', apricots: 120, blueberries: 240, cherries: 105} | |
]; | |
var stack = d3.stack() | |
.keys(['apricots', 'blueberries', 'cherries']) | |
.offset(d3.stackOffsetExpand); | |
var stackedSeries = stack(data); | |
d3.select('g') | |
.selectAll('path') | |
.data(stackedSeries) | |
.enter() | |
.append('path') | |
.style('fill', function(d, i) { | |
return colors[i]; | |
}) | |
.attr('d', areaGenerator) | |
</script> | |
</body> | |
</html> | |