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Color luminance & saturation
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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> | |
| <script src="https://d3js.org/d3-color.v1.min.js"></script> | |
| <script src="https://d3js.org/d3-interpolate.v1.min.js"></script> | |
| <script src="https://d3js.org/d3-scale-chromatic.v1.min.js"></script> | |
| <title>Color luminance and saturation</title> | |
| <style> | |
| body { | |
| margin: 0; | |
| position: fixed; | |
| top: 0; | |
| right: 0; | |
| bottom: 0; | |
| left: 0; | |
| } | |
| rect:first-child { | |
| stroke-width: 0.5; | |
| stroke: black; | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <div id="grey"></div> | |
| <div id="orange"></div> | |
| <script> | |
| const grey = d3.scaleSequential() | |
| .domain([0, 4]) | |
| .interpolator(d3.interpolateGreys); | |
| const orange = d3.scaleSequential() | |
| .domain([0, 4]) | |
| .interpolator(d3.interpolateOranges); | |
| const svg_greyRect = d3.select("#grey").append("svg") | |
| .attr("width", 960) | |
| .attr("height", 90) | |
| const svg_orangeRect = d3.select("#orange").append("svg") | |
| .attr("x", 30) | |
| .attr("y", 80) | |
| .attr("width", 960) | |
| .attr("height", 90) | |
| svg_greyRect.selectAll("rect") | |
| .data(d3.range(4)) | |
| .enter() | |
| .append("rect") | |
| .attr("x", d3.scaleLinear().domain([0, 4]).range([20, 260])) | |
| .attr("y", 20) | |
| .attr("width", 40) | |
| .attr("height", 40) | |
| .attr("fill", function(d, i) { return grey(i); }); | |
| svg_orangeRect.selectAll("rect") | |
| .data(d3.range(4)) | |
| .enter() | |
| .append("rect") | |
| .attr("x", d3.scaleLinear().domain([0, 4]).range([20, 260])) | |
| .attr("y", 20) | |
| .attr("width", 40) | |
| .attr("height", 40) | |
| .attr("fill", function(d, i) { return orange(i); }); | |
| </script> | |
| </body> |
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