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Created
November 19, 2016 05:46
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license: mit |
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<!DOCTYPE html> | |
<head> | |
<meta charset="utf-8"> | |
<script src="https://d3js.org/d3.v3.min.js"></script> | |
<style> | |
body { margin:0;position:fixed;top:0;right:0;bottom:0;left:0; } | |
</style> | |
</head> | |
<body> | |
<div id='pie'></div> | |
<script> | |
var sensors = [ | |
{'name':'sensor1','orientation':'NW','ppm':'1.7'}, | |
{'name':'sensor2','orientation':'SW','ppm':'0.8'}, | |
{'name':'sensor3','orientation':'SE','ppm':'0.9'}, | |
{'name':'sensor4','orientation':'NE','ppm':'1.2'} | |
] | |
div = d3.select('#pie') | |
pieUsage(div,pie,{width: 500, height: 500, radius: 250}) | |
function pieUsage(dom, data, options) { | |
var color = d3.scale.category20c() | |
this.radius = options.radius || 250 | |
this.height = options.height || 500 | |
this.width = options.width || 500 | |
var arc = d3.svg.arc() | |
.outerRadius(this.radius) | |
var pie = d3.layout.pie() | |
svg = d3.select(dom).append('svg') | |
.attr('width', this.width) | |
.attr('height', this.height) | |
.data(data) | |
.enter() | |
svg.selectAll('g.arc') | |
.append('g') | |
.attr("transform", "translate(" + this.width / 2 + "," + this.height / 2 + ")"); | |
var arcs = svg.selectAll('g.arc') | |
.filter(function(d) { return [d.name, d.ppm ]}) | |
.data(data) | |
.enter() | |
.append('g') | |
.attr('class', 'arc') | |
arcs.append('path') | |
.attr('fill', function (d,i) { | |
return color(i) }) | |
} | |
</script> | |
</body> |
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