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play with the colors

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This commit is contained in:
Jakob Ketterl 2019-07-28 16:26:03 +02:00
parent ff98b172c4
commit 785d439605
1 changed files with 2 additions and 1 deletions
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3
htdocs/map.js
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@ -32,13 +32,14 @@
var fillOpacity = 0.35; var fillOpacity = 0.35;
var colorKeys = {}; var colorKeys = {};
var colorScale = chroma.bezier(['red', 'blue', 'green']).scale();
var getColor = function(id){ var getColor = function(id){
if (!id) return "#000000"; if (!id) return "#000000";
if (!colorKeys[id]) { if (!colorKeys[id]) {
var keys = Object.keys(colorKeys); var keys = Object.keys(colorKeys);
keys.push(id); keys.push(id);
keys.sort(); keys.sort();
var colors = chroma.scale(['#FF0000', '#0000FF']).colors(keys.length); var colors = colorScale.colors(keys.length);
colorKeys = {}; colorKeys = {};
keys.forEach(function(key, index) { keys.forEach(function(key, index) {
colorKeys[key] = colors[index]; colorKeys[key] = colors[index];