scaleOrdinal using ColorBrewer colour scheme preset.
From D3 in Depth book by Peter Cook.
Last active
August 2, 2017 11:16
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Ordinal scale using Brewer colour scheme
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| license: gpl-3.0 | |
| height: 80 | |
| border: no |
This file contains 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.
Learn more about bidirectional Unicode characters
| <!DOCTYPE html> | |
| <meta charset="utf-8"> | |
| <head> | |
| <title>Ordinal scale</title> | |
| </head> | |
| <style> | |
| body { | |
| font-family: "Helvetica Neue", Helvetica, sans-serif; | |
| font-size: 14px; | |
| color: #333; | |
| } | |
| </style> | |
| <body> | |
| <svg width="800" height="60"> | |
| <g id="wrapper" transform="translate(100, 40)"> | |
| </g> | |
| </svg> | |
| <script src="https://cdnjs.cloudflare.com/ajax/libs/d3/4.2.2/d3.min.js"></script> | |
| <script src="https://d3js.org/d3-scale-chromatic.v1.min.js"></script> | |
| <script> | |
| var myData = ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec'] | |
| var linearScale = d3.scaleLinear() | |
| .domain([0, 11]) | |
| .range([0, 600]); | |
| var ordinalScale = d3.scaleOrdinal() | |
| .domain(myData) | |
| .range(d3.schemePaired); | |
| d3.select('#wrapper') | |
| .selectAll('text') | |
| .data(myData) | |
| .enter() | |
| .append('text') | |
| .attr('x', function(d, i) { | |
| return linearScale(i); | |
| }) | |
| .text(function(d) { | |
| return d; | |
| }) | |
| .style('fill', function(d) { | |
| return ordinalScale(d); | |
| }); | |
| </script> | |
| </body> | |
| </html> |
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