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D3 Pie chart with percentage outside
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license: gpl-3.0 |
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<!DOCTYPE html> | |
<head> | |
<meta charset="utf-8"> | |
<script src="https://d3js.org/d3.v4.min.js"></script> | |
<style> | |
body { margin:0;position:fixed;top:0;right:0;bottom:0;left:0; text-align: center; } | |
</style> | |
</head> | |
<body> | |
<script> | |
var data = [ | |
{name: 'cats', count: 3, percentage: 2, color: '#000000'}, | |
{name: 'dogs', count: 10, percentage: 8, color: '#f8b70a'}, | |
{name: 'horses', count: 17, percentage: 15, color: '#6149c6'}, | |
{name: 'goats', count: 47, percentage: 41, color: '#9f8170'}, | |
{name: 'cows', count: 35, percentage: 31, color: '#8ABD4A'}, | |
]; | |
var width = 540, | |
height = 540, | |
radius = 200; | |
var arc = d3.arc() | |
.outerRadius(radius - 10) | |
.innerRadius(0); | |
var pie = d3.pie() | |
.sort(null) | |
.value(function(d) { | |
return d.count; | |
}); | |
var svg = d3.select('body').append("svg") | |
.attr("width", width) | |
.attr("height", height) | |
.append("g") | |
.attr("transform", "translate(" + width / 2 + "," + height / 2 + ")"); | |
var g = svg.selectAll(".arc") | |
.data(pie(data)) | |
.enter().append("g"); | |
g.append("path") | |
.attr("d", arc) | |
.style("fill", function(d,i) { | |
return d.data.color; | |
}); | |
g.append("text") | |
.attr("transform", function(d) { | |
var _d = arc.centroid(d); | |
_d[0] *= 2.2; //multiply by a constant factor | |
_d[1] *= 2.2; //multiply by a constant factor | |
return "translate(" + _d + ")"; | |
}) | |
.attr("dy", ".50em") | |
.style("text-anchor", "middle") | |
.text(function(d) { | |
if(d.data.percentage < 8) { | |
return ''; | |
} | |
return d.data.percentage + '%'; | |
}); | |
</script> | |
</body> |
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