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preparing for color scales

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This commit is contained in:
Colin Megill
2017-11-02 12:55:34 -07:00
parent cead683368
commit d5bcfbef18
1 changed files with 8 additions and 6 deletions
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14
src/components/graph/drawGraph.js
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@@ -56,13 +56,15 @@ export const drawGraph = (data, context, expressionsCountsMap) => {
context.clearRect(0, 0, width, height);
/* ! create a scale to map between expression values and colors, remove to somewhere else */
const expressionToColorScale = d3.scaleLinear()
.domain([0, expressionsCountsMap.maxValue])
.range([1,0])
// const expressionToColorScale = d3.scaleLinear()
// .domain([0, expressionsCountsMap.maxValue])
// .range([1,0])
/* shuffle the data to overcome render order hiding cells */
data = d3.shuffle(data);
console.log('drawing', data, context, expressionsCountsMap)
/* loop */
data.forEach((p, i) => {
context.beginPath();
@@ -84,8 +86,8 @@ export const drawGraph = (data, context, expressionsCountsMap) => {
// ))
// )
// }
context.fillStyle = d3.interpolateViridis(expressionToColorScale(
expressionsCountsMap[p[0]]
));
// context.fillStyle = d3.interpolateViridis(expressionToColorScale(
// expressionsCountsMap[p[0]]
// ));
});
}