Multi-series line chart rendered using React and D3.
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<!DOCTYPE html> | |
<html> | |
<head> | |
<meta charset="utf-8"> | |
<title>React + d3</title> | |
<meta name="viewport" content="width=device-width, initial-scale=1.0"> | |
<script src="http://cdnjs.cloudflare.com/ajax/libs/underscore.js/1.5.2/underscore.js"></script> | |
<script src="http://cdnjs.cloudflare.com/ajax/libs/react/0.8.0/react.js"></script> | |
<script src="http://cdnjs.cloudflare.com/ajax/libs/react/0.8.0/JSXTransformer.js"></script> | |
<script src="http://cdnjs.cloudflare.com/ajax/libs/d3/3.3.13/d3.js"></script> | |
</head> | |
<body> | |
<div id="container"> </div> | |
<script type="text/jsx"> | |
/** @jsx React.DOM */ | |
var Chart = React.createClass({ | |
render: function() { | |
return ( | |
<svg width={this.props.width} height={this.props.height}>{this.props.children}</svg> | |
); | |
} | |
}); | |
var Line = React.createClass({ | |
getDefaultProps: function() { | |
return { | |
path: '', | |
color: 'blue', | |
width: 2 | |
} | |
}, | |
render: function() { | |
return ( | |
<path d={this.props.path} stroke={this.props.color} strokeWidth={this.props.width} fill="none" /> | |
); | |
} | |
}); | |
var DataSeries = React.createClass({ | |
getDefaultProps: function() { | |
return { | |
title: '', | |
data: [], | |
interpolate: 'linear' | |
} | |
}, | |
render: function() { | |
var self = this, | |
props = this.props, | |
yScale = props.yScale, | |
xScale = props.xScale; | |
var path = d3.svg.line() | |
.x(function(d) { return xScale(d.x); }) | |
.y(function(d) { return yScale(d.y); }) | |
.interpolate(this.props.interpolate); | |
return ( | |
<Line path={path(this.props.data)} color={this.props.color} /> | |
) | |
} | |
}); | |
var LineChart = React.createClass({ | |
getDefaultProps: function() { | |
return { | |
width: 600, | |
height: 300 | |
} | |
}, | |
render: function() { | |
var data = this.props.data, | |
size = { width: this.props.width, height: this.props.height }; | |
var max = _.chain(data.series1, data.series2, data.series3) | |
.zip() | |
.map(function(values) { | |
return _.reduce(values, function(memo, value) { return Math.max(memo, value.y); }, 0); | |
}) | |
.max() | |
.value(); | |
var xScale = d3.scale.linear() | |
.domain([0, 6]) | |
.range([0, this.props.width]); | |
var yScale = d3.scale.linear() | |
.domain([0, max]) | |
.range([this.props.height, 0]); | |
return ( | |
<Chart width={this.props.width} height={this.props.height}> | |
<DataSeries data={data.series1} size={size} xScale={xScale} yScale={yScale} ref="series1" color="cornflowerblue" /> | |
<DataSeries data={data.series2} size={size} xScale={xScale} yScale={yScale} ref="series2" color="red" /> | |
<DataSeries data={data.series3} size={size} xScale={xScale} yScale={yScale} ref="series3" color="green" /> | |
</Chart> | |
); | |
} | |
}); | |
var data = { | |
series1: [ { x: 0, y: 20 }, { x: 1, y: 30 }, { x: 2, y: 10 }, { x: 3, y: 5 }, { x: 4, y: 8 }, { x: 5, y: 15 }, { x: 6, y: 10 } ], | |
series2: [ { x: 0, y: 8 }, { x: 1, y: 5 }, { x: 2, y: 20 }, { x: 3, y: 12 }, { x: 4, y: 4 }, { x: 5, y: 6 }, { x: 6, y: 2 } ], | |
series3: [ { x: 0, y: 0 }, { x: 1, y: 5 }, { x: 2, y: 8 }, { x: 3, y: 2 }, { x: 4, y: 6 }, { x: 5, y: 4 }, { x: 6, y: 2 } ] | |
}; | |
React.renderComponent( | |
<LineChart data={data} />, | |
document.getElementById('container') | |
); | |
</script> | |
</body> | |
</html> |
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