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Performance improvements

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pietervdvn 2021-01-05 11:17:12 +01:00
parent ce30b159f9
commit 614158e3c6
1 changed files with 7 additions and 5 deletions
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12
Logic/FeatureSource/FilteringFeatureSource.ts
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@ -39,8 +39,6 @@ export default class FilteringFeatureSource implements FeatureSource {
for (const layer of layers) { for (const layer of layers) {
layerDict[layer.layerDef.id] = layer; layerDict[layer.layerDef.id] = layer;
layer.isDisplayed.addCallback(() => {
update()})
} }
upstream.features.addCallback(() => { upstream.features.addCallback(() => {
update()}); update()});
@ -48,12 +46,16 @@ export default class FilteringFeatureSource implements FeatureSource {
// We want something that is stable for the shown layers // We want something that is stable for the shown layers
const displayedLayerIndexes = []; const displayedLayerIndexes = [];
for (let i = 0; i < layers.length; i++) { for (let i = 0; i < layers.length; i++) {
if(l.zoom <= layers[i].layerDef.minzoom){ if(l.zoom < layers[i].layerDef.minzoom){
displayedLayerIndexes.push(i); continue;
} }
if(!layers[i].isDisplayed.data){
continue;
}
displayedLayerIndexes.push(i);
} }
return displayedLayerIndexes.join(",") return displayedLayerIndexes.join(",")
}) }, layers.map(l => l.isDisplayed))
.addCallback(() => { .addCallback(() => {
update();}); update();});