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Pie chart
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| csv = ''' | |
| category,value | |
| one,123 | |
| two,534 | |
| three,230 | |
| four,56 | |
| ''' | |
| data = d3.csv.parse csv | |
| data.forEach (d) -> d.value = +d.value | |
| width = 960 | |
| height = 500 | |
| radius = Math.min(width, height) / 2 | |
| color = d3.scale.ordinal() | |
| .range(["#1b9e77","#d95f02","#7570b3","#e7298a","#66a61e","#e6ab02","#a6761d"]) | |
| arc = d3.svg.arc() | |
| .outerRadius(radius - 40) | |
| .innerRadius(0) | |
| pie = d3.layout.pie() | |
| .sort(null) | |
| .value((d) -> d.value ) | |
| svg = d3.select("body").append("svg") | |
| .attr("width", width) | |
| .attr("height", height) | |
| .append("g") | |
| .attr | |
| transform: "translate(#{width/2}, #{height/2})" | |
| g = svg.selectAll(".arc") | |
| .data(pie(data)) | |
| .enter().append("path") | |
| .attr('class','arc') | |
| .attr("d", arc) | |
| .style("fill", (d) -> color(d.data.category) ) | |
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| svg { | |
| background-color: white; | |
| } | |
| .arc { | |
| stroke-width: 1; | |
| stroke: white; | |
| stroke-linejoin: round; | |
| } |
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta charset="utf-8"> | |
| <meta name="description" content="Pie chart" /> | |
| <title>Pie chart</title> | |
| <link rel="stylesheet" href="index.css"> | |
| <script src="http://d3js.org/d3.v3.min.js"></script> | |
| </head> | |
| <body> | |
| <script src="index.js"></script> | |
| </body> | |
| </html> |
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| (function() { | |
| var arc, color, csv, data, g, height, pie, radius, svg, width; | |
| csv = 'category,value\none,123\ntwo,534\nthree,230\nfour,56'; | |
| data = d3.csv.parse(csv); | |
| data.forEach(function(d) { | |
| return d.value = +d.value; | |
| }); | |
| width = 960; | |
| height = 500; | |
| radius = Math.min(width, height) / 2; | |
| color = d3.scale.ordinal().range(["#1b9e77", "#d95f02", "#7570b3", "#e7298a", "#66a61e", "#e6ab02", "#a6761d"]); | |
| arc = d3.svg.arc().outerRadius(radius - 40).innerRadius(0); | |
| pie = d3.layout.pie().sort(null).value(function(d) { | |
| return d.value; | |
| }); | |
| svg = d3.select("body").append("svg").attr("width", width).attr("height", height).append("g").attr({ | |
| transform: "translate(" + (width / 2) + ", " + (height / 2) + ")" | |
| }); | |
| g = svg.selectAll(".arc").data(pie(data)).enter().append("path").attr('class', 'arc').attr("d", arc).style("fill", function(d) { | |
| return color(d.data.category); | |
| }); | |
| }).call(this); |
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