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There is one more limit than the number of steps

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Limits are steps boundaries, and first limit is always the lower value,
and latest limit always the bigger.
This commit is contained in:
Yohan Boniface 2023-06-12 15:53:33 +02:00
parent bf116e8d93
commit 7a0dbd014a
1 changed files with 3 additions and 3 deletions
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6
umap/static/umap/js/umap.layer.js
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@ -138,16 +138,16 @@ L.U.Layer.Choropleth = L.FeatureGroup.extend({
) )
this.options.colors = chroma this.options.colors = chroma
.scale(this.datalayer.options.choropleth.brewer || 'Blues') .scale(this.datalayer.options.choropleth.brewer || 'Blues')
.colors(this.options.limits.length) .colors(this.options.limits.length - 1)
}, },
getColor: function (feature) { getColor: function (feature) {
if (!feature) return // FIXME shold not happen if (!feature) return // FIXME shold not happen
const featureValue = this._getValue(feature) const featureValue = this._getValue(feature)
// Find the bucket/step/limit that this value is less than and give it that color // Find the bucket/step/limit that this value is less than and give it that color
for (let i = 0; i < this.options.limits.length; i++) { for (let i = 1; i < this.options.limits.length; i++) {
if (featureValue <= this.options.limits[i]) { if (featureValue <= this.options.limits[i]) {
return this.options.colors[i] return this.options.colors[i-1]
} }
} }
}, },