Last active
August 29, 2015 14:03
-
-
Save nitaku/34eaba160faac9c8c6c2 to your computer and use it in GitHub Desktop.
2 multihue diverging color scales
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
| height = 468 | |
| N = 2 | |
| palettes = [ | |
| d3.range(128).map( (i) -> | |
| return d3.hcl(-90+120*i/128, 25-Math.pow(64-i,2)/200, 10+90*i/128) | |
| ).concat( d3.range(128).map( (i) -> | |
| return d3.hcl(90+120*(128-i)/128, 25-Math.pow(64-i,2)/200, 10+90*i/128) | |
| ).reverse() ), | |
| d3.range(128).map( (i) -> | |
| return d3.hcl(90-90+120*i/128, 25-Math.pow(64-i,2)/200, 10+90*i/128) | |
| ).concat( d3.range(128).map( (i) -> | |
| return d3.hcl(90+90+120*(128-i)/128, 25-Math.pow(64-i,2)/200, 10+90*i/128) | |
| ).reverse() ) | |
| ] | |
| svg = d3.select('svg') | |
| bands = svg.selectAll('.palette') | |
| .data(palettes) | |
| .enter().append('g') | |
| .attr | |
| class: 'palette' | |
| transform: (d,n) -> "translate(0,#{height/N*n})" | |
| bands.selectAll('.band') | |
| .data((palette) -> palette) | |
| .enter().append('rect') | |
| .attr | |
| class: 'band' | |
| x: (d,i) -> 32+3.5*i | |
| y: 21 | |
| width: 3.5 | |
| height: height/N-10 | |
| fill: (d) -> d | |
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
| body { | |
| background: #272822; | |
| margin: 0; | |
| padding: 0; | |
| } | |
| svg { | |
| background: white; | |
| } | |
| .label { | |
| text-anchor: middle; | |
| font-size: 24px; | |
| } | |
| rect { | |
| shape-rendering: crispEdges; | |
| } | |
| path { | |
| fill: none; | |
| } | |
| path.hue { | |
| stroke: white; | |
| stroke-width: 1; | |
| } | |
| path.chroma { | |
| stroke: #FF3D00; | |
| stroke-width: 1; | |
| } | |
| path.luminance { | |
| stroke: black; | |
| stroke-width: 0.6; | |
| } | |
| .axis .domain, .axis .tick line { | |
| stroke: black; | |
| shape-rendering: crispEdges; | |
| } | |
| .axis { | |
| font-size: 8px; | |
| font-family: sans-serif; | |
| } |
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> | |
| <html> | |
| <head> | |
| <meta charset="utf-8"> | |
| <meta name="description" content="2 multihue diverging color scales" /> | |
| <title>2 multihue diverging color scales</title> | |
| <link rel="stylesheet" href="index.css"> | |
| <script src="http://d3js.org/d3.v3.min.js"></script> | |
| </head> | |
| <body> | |
| <svg height="500" width="960"></svg> | |
| <script src="index.js"></script> | |
| </body> | |
| </html> |
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
| (function() { | |
| var N, bands, height, palettes, svg; | |
| height = 468; | |
| N = 2; | |
| palettes = [ | |
| d3.range(128).map(function(i) { | |
| return d3.hcl(-90 + 120 * i / 128, 25 - Math.pow(64 - i, 2) / 200, 10 + 90 * i / 128); | |
| }).concat(d3.range(128).map(function(i) { | |
| return d3.hcl(90 + 120 * (128 - i) / 128, 25 - Math.pow(64 - i, 2) / 200, 10 + 90 * i / 128); | |
| }).reverse()), d3.range(128).map(function(i) { | |
| return d3.hcl(90 - 90 + 120 * i / 128, 25 - Math.pow(64 - i, 2) / 200, 10 + 90 * i / 128); | |
| }).concat(d3.range(128).map(function(i) { | |
| return d3.hcl(90 + 90 + 120 * (128 - i) / 128, 25 - Math.pow(64 - i, 2) / 200, 10 + 90 * i / 128); | |
| }).reverse()) | |
| ]; | |
| svg = d3.select('svg'); | |
| bands = svg.selectAll('.palette').data(palettes).enter().append('g').attr({ | |
| "class": 'palette', | |
| transform: function(d, n) { | |
| return "translate(0," + (height / N * n) + ")"; | |
| } | |
| }); | |
| bands.selectAll('.band').data(function(palette) { | |
| return palette; | |
| }).enter().append('rect').attr({ | |
| "class": 'band', | |
| x: function(d, i) { | |
| return 32 + 3.5 * i; | |
| }, | |
| y: 21, | |
| width: 3.5, | |
| height: height / N - 10, | |
| fill: function(d) { | |
| return d; | |
| } | |
| }); | |
| }).call(this); |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment