UNPKG

@seasketch/geoprocessing

Version:

Geoprocessing and reporting framework for SeaSketch 2.0

24 lines 915 B
import { randomPolygon, featureReduce, featureCollection } from "@turf/turf"; /** * Generates random polygons within provided bounds. numPolygons defaults to 300, max_radial_length to 0.5 * Wrapper around @turf/random - https://turfjs.org/docs/#randomPolygon */ export const genRandomPolygons = (config) => { const { numPolygons = 300, bounds, max_radial_length = 0.25 } = config; const randPolys = randomPolygon(numPolygons, { bbox: bounds, max_radial_length, }); const proppedPolys = featureReduce(randPolys, (previousValue, currentFeature, featureIndex) => { return previousValue.concat({ ...currentFeature, id: featureIndex + 1, properties: { id: featureIndex + 1, }, }); }, []); const fc = featureCollection(proppedPolys); return fc; }; //# sourceMappingURL=genRandomPolygons.js.map