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@nobuti
Forked from anonymous/jsbin.jitopomu.css
Last active August 29, 2015 13:57
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.arc path {
stroke: #F8F8F8;
stroke-width: 4px;
}
<!DOCTYPE html>
<html>
<head>
<meta name="description" content="D3js donut chart" />
<script src="http://d3js.org/d3.v3.min.js"></script>
<script src="http://code.jquery.com/jquery-1.11.0.min.js"></script>
<meta charset="utf-8">
<title>JS Bin</title>
</head>
<body>
</body>
</html>
var width = 300,
height = 300,
radius = Math.min(width, height) / 2;
var color = d3.scale.ordinal()
.range(["#65A6BF", "#9AC4D5", "#CCE2EA"]);
var arc = d3.svg.arc()
.outerRadius(radius - 10)
.innerRadius(radius - 50);
// second arc for labels
var arc2 = d3.svg.arc()
.outerRadius(radius + 20)
.innerRadius(radius + 20);
var pie = d3.layout.pie()
.sort(null)
.startAngle(1.1*Math.PI)
.endAngle(3.1*Math.PI)
.value(function(d) { return d.songs; });
var data = [
{genre:'Otras', songs: 12},
{genre: '2000s', songs: 42},
{genre: '2010s', songs: 63}
];
var svg = d3.select("body").append("svg")
.attr("id", "chart")
.attr("width", width + 100)
.attr("height", height + 100)
.attr('viewBox', '0 0 400 400')
.attr('perserveAspectRatio', 'xMinYMid')
.append("g")
.attr("transform", "translate(" + (width+100) / 2 + "," + (height + 100) / 2 + ")");
data.forEach(function(d) {
d.songs = +d.songs;
});
var g = svg.selectAll(".arc")
.data(pie(data))
.enter().append("g")
.attr("class", "arc");
g.append("path")
.style("fill", function(d) { return color(d.data.genre); })
.transition().delay(function(d, i) { return i * 500; }).duration(500)
.attrTween('d', function(d) {
var i = d3.interpolate(d.startAngle+0.1, d.endAngle);
return function(t) {
d.endAngle = i(t);
return arc(d);
};
});
g.append("text")
.attr("transform", function(d) { return "translate(" + arc2.centroid(d) + ")"; })
.attr("dy", ".35em")
.attr("class", "d3-label")
.style("text-anchor", "middle")
.text(function(d) { return d.data.genre; });
var aspect = width / height,
chart = $("#chart");
$(window).on("resize", function() {
var targetWidth = chart.parent().width();
chart.attr("width", targetWidth);
chart.attr("height", targetWidth / aspect);
}).trigger('resize');
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