Examples of sequential scale interpolators.
From D3 in Depth book by Peter Cook.
Last active
August 2, 2017 11:17
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scaleSequential interpolator examples
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| license: gpl-3.0 | |
| height: 600 | |
| 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.
Learn more about bidirectional Unicode characters
| <!DOCTYPE html> | |
| <meta charset="utf-8"> | |
| <head> | |
| <title>Sequential scale interpolators</title> | |
| </head> | |
| <style> | |
| body { | |
| font-family: "Helvetica Neue", Helvetica, sans-serif; | |
| font-size: 12px; | |
| color: #333; | |
| } | |
| text { | |
| fill: #777; | |
| } | |
| </style> | |
| <body> | |
| <svg width="700" height="580"> | |
| <g id="wrapper" transform="translate(40, 40)"> | |
| </g> | |
| </svg> | |
| <script src="https://cdnjs.cloudflare.com/ajax/libs/d3/4.2.2/d3.min.js"></script> | |
| <script> | |
| var linearScale = d3.scaleLinear() | |
| .domain([0, 100]) | |
| .range([0, 600]); | |
| var sequentialScale = d3.scaleSequential() | |
| .domain([0, 100]); | |
| var interpolators = [ | |
| 'interpolateViridis', | |
| 'interpolateInferno', | |
| 'interpolateMagma', | |
| 'interpolatePlasma', | |
| 'interpolateWarm', | |
| 'interpolateCool', | |
| 'interpolateRainbow', | |
| 'interpolateCubehelixDefault' | |
| ]; | |
| var myData = d3.range(0, 100, 2); | |
| function dots(d) { | |
| sequentialScale | |
| .interpolator(d3[d]); | |
| d3.select(this) | |
| .append('text') | |
| .attr('y', -10) | |
| .text(d); | |
| d3.select(this) | |
| .selectAll('rect') | |
| .data(myData) | |
| .enter() | |
| .append('rect') | |
| .attr('x', function(d) { | |
| return linearScale(d); | |
| }) | |
| .attr('width', 11) | |
| .attr('height', 30) | |
| .style('fill', function(d) { | |
| return sequentialScale(d); | |
| }); | |
| } | |
| d3.select('#wrapper') | |
| .selectAll('g.interpolator') | |
| .data(interpolators) | |
| .enter() | |
| .append('g') | |
| .classed('interpolator', true) | |
| .attr('transform', function(d, i) { | |
| return 'translate(0, ' + (i * 70) + ')'; | |
| }) | |
| .each(dots); | |
| </script> | |
| </body> | |
| </html> |
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