forked from MapComplete/MapComplete
18 lines
666 B
TypeScript
18 lines
666 B
TypeScript
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import FeatureSource from "../FeatureSource"
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import { Feature, Polygon } from "geojson"
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import StaticFeatureSource from "./StaticFeatureSource"
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import { GeoOperations } from "../../GeoOperations"
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/**
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* Returns a clipped version of the original geojson. Ways which partially intersect the given feature will be split up
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*/
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export default class ClippedFeatureSource extends StaticFeatureSource {
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constructor(features: FeatureSource, clipTo: Feature<Polygon>) {
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super(
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features.features.mapD((features) => {
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return [].concat(features.map((feature) => GeoOperations.clipWith(feature, clipTo)))
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})
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)
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}
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}
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