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06_circles.html
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06_circles.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>D3: Data-driven circles</title>
<script type="text/javascript" src="d3.js"></script>
<style type="text/css">
body {
background-color: gray;
}
svg {
background-color: white;
}
</style>
</head>
<body>
<script type="text/javascript">
//Width and height
var w = 500;
var h = 100;
var dataset = [
{
x: 5,
y: 20,
r: 10
},
{
x: 480,
y: 90,
r: 20
},
{
x: 250,
y: 50,
r: 15
},
{
x: 100,
y: 33,
r: 7
},
{
x: 330,
y: 95,
r: 18
},
{
x: 410,
y: 12,
r: 19
},
{
x: 475,
y: 44,
r: 25
},
{
x: 25,
y: 67,
r: 12
},
{
x: 85,
y: 21,
r: 5
},
{
x: 220,
y: 88,
r: 3
}
];
//Create SVG element
var svg = d3.select("body")
.append("svg")
.attr("width", w)
.attr("height", h);
svg.selectAll("circle")
.data(dataset)
.enter()
.append("circle")
.attr("cx", function(d) {
return d.x;
})
.attr("cy", function(d) {
return d.y;
})
.attr("r", function(d) {
return d.r;
});
</script>
</body>
</html>