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Add incrementing ID to gradient svg.

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So we do not overwrite it when the other button is enabled.
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gluap 2021-12-19 13:28:02 +01:00 committed by Paul Bienkowski
parent a5f5acd6d5
commit cdcee6e29c
1 changed files with 8 additions and 3 deletions
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11
frontend/src/components/ColorMapLegend.tsx
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@ -6,19 +6,24 @@ export default function ColorMapLegend({map}: {map: ColorMap}) {
const min = map[0][0]
const max = map[map.length - 1][0]
const normalizeValue = (v) => (v - min) / (max - min)
if( typeof ColorMapLegend.counter == 'undefined' ) {
ColorMapLegend.counter = 0;
}
ColorMapLegend.counter++;
ColorMapLegend.id="gradient"+ColorMapLegend.counter;
ColorMapLegend.url="url(#"+ColorMapLegend.id+")";
return (
<div className={styles.colorMapLegend}>
<svg width="100%" height="20" version="1.1" xmlns="http://www.w3.org/2000/svg">
<defs>
<linearGradient id="gradient" x1="0" x2="1" y1="0" y2="0">
<linearGradient id={ColorMapLegend.id} x1="0" x2="1" y1="0" y2="0">
{map.map(([value, color]) => (
<stop key={value} offset={normalizeValue(value) * 100 + '%'} stopColor={color} />
))}
</linearGradient>
</defs>
<rect id="rect1" x="0" y="0" width="100%" height="100%" fill="url(#gradient)" />
<rect id="rect1" x="0" y="0" width="100%" height="100%" fill={ColorMapLegend.url} />
</svg>
{map.map(([value]) => (
<span className={styles.tick} key={value} style={{left: normalizeValue(value) * 100 + '%'}}>