I have this D3 chart - pretty much out of the box. Is there a way to make it responsive and use percentages for the width and height variables, innerRadius, and outerRadius? I'm workign on a responsive site and need this to change based on screen size/browser size.
jsfiddle here: http://jsfiddle.net/BTfmH/1/
Code:
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<style type="text/css">
html,
body {
margin:0;
padding:0;
width:100%;
height:100%;
}
.chart-container {
/* width:50%;
height:50%;*/
}
</style>
<body>
<script src="http://d3js.org/d3.v3.min.js"></script>
<script>
var width = 350,
height = 350,
τ = 2 * Math.PI;
var arc = d3.svg.arc()
.innerRadius(100)
.outerRadius(135)
.startAngle(0);
var svg = d3.select("body").append("svg")
.attr("width", width)
.attr("height", height)
.append("g")
.attr("transform", "translate(" + width / 2 + "," + height / 2 + ")")
var background = svg.append("path")
.datum({endAngle: τ})
.style("fill", "green")
.attr("d", arc);
var foreground = svg.append("path")
.datum({endAngle: .127 * τ})
.style("fill", "grey")
.attr("d", arc);
setInterval(function() {
foreground.transition()
.duration(750)
.call(arcTween, Math.random() * τ);
}, 1500);
function arcTween(transition, newAngle) {
transition.attrTween("d", function(d) {
var interpolate = d3.interpolate(d.endAngle, newAngle);
return function(t) {
d.endAngle = interpolate(t);
return arc(d);
};
});
}
</script>
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