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forked from vjwilson's block: pie chart browser usage
forked from vjwilson's block: pie chart browser usage
Created
April 7, 2019 21:58
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pie chart browser usage
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| license: mit |
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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; } | |
| </style> | |
| </head> | |
| <body> | |
| <script> | |
| // Feel free to change or delete any of the code you see in this editor! | |
| var svg = d3.select("body").append("svg") | |
| .attr("width", 960) | |
| .attr("height", 500); | |
| var width = svg.attr("width"); | |
| var height = svg.attr("height"); | |
| var radius = Math.min(width, height) / 2; | |
| var g = svg.append("g").attr("transform", "translate(" + width / 2 + "," + height / 2 + ")"); | |
| var data = [ | |
| { browser: 'Chrome', percent: 73.70 }, | |
| { browser: 'IE/Edge', percent: 4.90 }, | |
| { browser: 'Firefox', percent: 15.40 }, | |
| { browser: 'Safari', percent: 3.60 } | |
| ]; | |
| var color = d3.scaleOrdinal(['#4daf4a','#377eb8','#ff7f00','#984ea3','#e41a1c']); | |
| // Generate the pie | |
| var pie = d3.pie().value(function(d) { | |
| return d.percent; | |
| }); | |
| // Generate the arcs | |
| var arc = d3.arc() | |
| .innerRadius(0) | |
| .outerRadius(radius - 50); | |
| var label = d3.arc() | |
| .outerRadius(radius) | |
| .innerRadius(radius - 20); | |
| //Generate groups | |
| var arcs = g.selectAll(".arc") | |
| .data(pie(data)) | |
| .enter() | |
| .append("g") | |
| .attr("class", "arc") | |
| //Draw arc paths | |
| arcs.append("path") | |
| .attr("fill", function(d) { | |
| return color(d.data.browser); | |
| }) | |
| .attr("d", arc); | |
| arcs.append("text") | |
| .attr("transform", function(d) { | |
| return "translate(" + label.centroid(d) + ")"; | |
| }) | |
| .attr('text-anchor', 'middle') | |
| .text(function(d) { | |
| console.log('d', d); | |
| return d.data.browser + ' (' + d.data.percent + '%)'; | |
| }); | |
| svg.append("g") | |
| .attr("transform", "translate(" + (width / 2) + "," + (height - 20) + ")") | |
| .append("text") | |
| .text("Browser use statistics - Jan 2017") | |
| .attr("class", "title") | |
| .attr('text-anchor', 'middle'); | |
| </script> | |
| </body> |
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