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dhoboy/index.html

Created January 13, 2015 06:01
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Basic scatterplot
Raw
index.html
<html>
<head>
<script src="http://d3js.org/d3.v3.js"></script>
</head>
<body>
<script>
var dataset = [
[5, 20], [480, 90], [250, 50], [100, 33], [330, 95],
[410, 12], [475, 44], [25, 67], [85, 21], [220, 88],
[600, 150]
];
// width and height of svg
var w = 300;
var h = 500;
var padding = 20;
var xScale = d3.scale.linear()
.domain([0, d3.max(dataset, function(d) { return d[0]; })])
.range([padding, w - padding * 2]);
var yScale = d3.scale.linear()
.domain([0, d3.max(dataset, function(d) { return d[1]; })])
.range([h - padding, padding]);
var rScale = d3.scale.linear()
.domain([0, d3.max(dataset, function(d) { return d[1]; })])
.range([2, 15]);
var colorScale = d3.scale.linear()
.domain([0, d3.max(dataset, function(d) { return d[0]; })])
.range(["red", "blue"]);
var svg = d3.select("body")
.append("svg")
.attr("height", h)
.attr("width", w);
svg.selectAll("circle")
.data(dataset)
.enter()
.append("circle")
.attr("cx", function(d) {
return xScale(d[0]);
})
.attr("cy", function(d) {
return yScale(d[1]);
})
.attr("r", function(d) {
return rScale(d[1]);
})
.attr("fill", function(d) {
return colorScale(d[0]);
});
svg.selectAll("text")
.data(dataset)
.enter()
.append("text")
.text(function(d){
return d[0] + "," + d[1];
})
.attr("x", function(d) {
return xScale(d[0]);
})
.attr("y", function(d) {
return yScale(d[1]);
})
.attr("font-family", "sans-serif")
.attr("font-size", "11px")
.attr("fill", "red");
</script>
</body>
</html>
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