Pie sort.
From D3 in Depth book by Peter Cook.
Last active
March 17, 2019 23:11
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Pie sort
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| license: gpl-3.0 | |
| height: 230 | |
| border: no |
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
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| <!DOCTYPE html> | |
| <meta charset="utf-8"> | |
| <head> | |
| <title>Pie sort</title> | |
| </head> | |
| <style> | |
| path { | |
| fill: orange; | |
| stroke: white; | |
| } | |
| text { | |
| font-family: "Helvetica Neue", Helvetica, sans-serif; | |
| font-size: 12px; | |
| font-weight: bold; | |
| fill: white; | |
| text-anchor: middle; | |
| } | |
| </style> | |
| <body> | |
| <svg width="700" height="220"> | |
| <g transform="translate(300, 110)"></g> | |
| </svg> | |
| <script src="https://cdnjs.cloudflare.com/ajax/libs/d3/4.2.2/d3.min.js"></script> | |
| <script> | |
| var pieGenerator = d3.pie() | |
| .value(function(d) {return d.quantity;}) | |
| .sort(function(a, b) { | |
| return a.name.localeCompare(b.name); | |
| }); | |
| var fruits = [ | |
| {name: 'Apples', quantity: 20}, | |
| {name: 'Bananas', quantity: 40}, | |
| {name: 'Cherries', quantity: 50}, | |
| {name: 'Damsons', quantity: 10}, | |
| {name: 'Elderberries', quantity: 30}, | |
| ]; | |
| // Create an arc generator with configuration | |
| var arcGenerator = d3.arc() | |
| .innerRadius(20) | |
| .outerRadius(100); | |
| var arcData = pieGenerator(fruits); | |
| // Create a path element and set its d attribute | |
| d3.select('g') | |
| .selectAll('path') | |
| .data(arcData) | |
| .enter() | |
| .append('path') | |
| .attr('d', arcGenerator); | |
| // Labels | |
| d3.select('g') | |
| .selectAll('text') | |
| .data(arcData) | |
| .enter() | |
| .append('text') | |
| .each(function(d) { | |
| var centroid = arcGenerator.centroid(d); | |
| d3.select(this) | |
| .attr('x', centroid[0]) | |
| .attr('y', centroid[1]) | |
| .attr('dy', '0.33em') | |
| .text(d.data.name); | |
| }); | |
| </script> | |
| </body> | |
| </html> |
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