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<!DOCTYPE html> |
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<html> |
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<head> |
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<meta charset="utf-8"> |
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<title>D3 Example</title> |
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<script src="//cdnjs.cloudflare.com/ajax/libs/d3/3.5.5/d3.min.js"></script> |
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<script src="//cdnjs.cloudflare.com/ajax/libs/d3-legend/1.1.0/d3-legend.js"></script> |
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<link href='https://fonts.googleapis.com/css?family=Open+Sans' rel='stylesheet' type='text/css'> |
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<style> |
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.axis text { |
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font-family: 'Open Sans', sans-serif; |
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font-size: 32pt; |
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} |
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.axis path, .axis line { |
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fill: none; |
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stroke: #000; |
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shape-rendering: crispEdges; |
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} |
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.color-legend text { |
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font-family: 'Open Sans', sans-serif; |
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font-size: 29pt; |
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} |
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</style> |
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</head> |
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<body> |
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<script> |
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var outerWidth = 960; |
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var outerHeight = 500; |
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var margin = { left: 11, top: 33, right: 377, bottom: 88 }; |
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var radiusMax = 180; |
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var xColumn = "name"; |
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var sliceSizeColumn = "population"; |
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var colorColumn = "religion"; |
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var innerWidth = outerWidth - margin.left - margin.right; |
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var innerHeight = outerHeight - margin.top - margin.bottom; |
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var svg = d3.select("body").append("svg") |
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.attr("width", outerWidth) |
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.attr("height", outerHeight); |
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var g = svg.append("g") |
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.attr("transform", "translate(" + margin.left + "," + margin.top + ")"); |
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var xAxisG = g.append("g") |
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.attr("class", "x axis") |
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.attr("transform", "translate(0," + innerHeight + ")"); |
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var pieG = g.append("g"); |
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var colorLegendG = g.append("g") |
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.attr("class", "color-legend") |
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.attr("transform", "translate(595, 20)"); |
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var xScale = d3.scale.ordinal().rangePoints([0, innerWidth]); |
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var colorScale = d3.scale.category10(); |
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var angleScale = d3.scale.linear(); |
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var xAxis = d3.svg.axis().scale(xScale).orient("bottom") |
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.outerTickSize(0); |
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var pie = d3.layout.pie(); |
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var arc = d3.svg.arc(); |
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var colorLegend = d3.legend.color() |
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.scale(colorScale) |
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.shapePadding(3) |
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.shapeWidth(40) |
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.shapeHeight(40) |
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.labelOffset(4); |
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function render(data){ |
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xScale.domain(data.map( function (d){ return d[xColumn]; })); |
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colorScale.domain(data.map(function (d){ return d[colorColumn]; })); |
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pie.value(function(d) { return d[sliceSizeColumn]; }); |
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xAxisG.call(xAxis); |
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angleScale |
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.domain([0, d3.max(data, function (d){ return d[sliceSizeColumn]; })]) |
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.range([0, Math.PI]); |
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var pieData = pie(data); |
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pieData.forEach(function (d){ |
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d.startAngle = 0; |
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d.endAngle = angleScale(d.value); |
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console.log(d.endAngle); |
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}); |
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pieG.attr("transform", "translate(" + innerWidth / 2 + "," + innerHeight / 2 + ")"); |
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var slices = pieG.selectAll("path").data(pieData); |
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slices.enter().append("path"); |
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slices |
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.attr("d", function (d, i){ |
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arc |
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.innerRadius(function(d) { |
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return i / (pieData.length - 1) * radiusMax; |
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}) |
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.outerRadius(function(d) { |
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return (i + 1) / (pieData.length - 1) * radiusMax; |
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}); |
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return arc(d); |
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}) |
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.attr("fill", function (d){ return colorScale(d.data[colorColumn]); }); |
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slices.exit().remove(); |
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colorLegendG.call(colorLegend); |
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} |
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function type(d){ |
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d.name = "World"; |
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d.population = +d.population; |
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return d; |
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} |
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d3.csv("religionWorldTotals.csv", type, render); |
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</script> |
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</body> |
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</html> |
