/
stacked_bar_chart.html
94 lines (82 loc) · 1.82 KB
/
stacked_bar_chart.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>D3: Stack layout stacked bar chart</title>
<script type="text/javascript" src="d3/d3.js"></script>
<style type="text/css">
</style>
</head>
<body>
<script type="text/javascript">
var w = 500;
var h = 300;
var dataset = [
[
{ x: 0, y: 5 }
/*{ x: 1, y: 4 },
{ x: 2, y: 2 },
{ x: 3, y: 7 },
{ x: 4, y: 23 }*/
],
[
{ x: 0, y: 10 }
/* { x: 1, y: 12 },
{ x: 2, y: 19 },
{ x: 3, y: 23 },
{ x: 4, y: 17 }*/
],
[
{ x: 0, y: 22 }
/*{ x: 1, y: 28 },
{ x: 2, y: 32 },
{ x: 3, y: 35 },
{ x: 4, y: 43 }*/
]
];
var stack = d3.layout.stack();
stack(dataset);
//Setting up scales
var xScale = d3.scale.ordinal()
.domain(d3.range(dataset[0].length))
.rangeRoundBands([0, w], 0.05);
var yScale = d3.scale.linear()
.domain([0,
d3.max(dataset, function(d) {
return d3.max(d, function(d) {
return d.y0 + d.y;
});
})
])
.range([0,h]);
var colors = d3.scale.category10();
var svg = d3.select("body")
.append("svg")
.attr("width", w)
.attr("height", h);
// Adding a group for each row of data
var groups = svg.selectAll("g")
.data(dataset)
.enter()
.append("g")
.style("fill", function(d, i) {
return colors(i);
});
// Adding a rect for each data value
var rects = groups.selectAll("rect")
.data(function(d) { return d; })
.enter()
.append("rect")
.attr("x", function(d, i) {
return xScale(i);
})
.attr("y", function(d) {
return h - yScale(d.y0) - yScale(d.y);
})
.attr("height", function(d) {
return yScale(d.y);
})
.attr("width", xScale.rangeBand());
</script>
</body>
</html>