import { AllGeoJSON } from '@turf/helpers'; /** * Simplifies the geometries in a GeoJSON object. Uses the 2d version of * [simplify-js](https://mourner.github.io/simplify-js/). * * @function * @param {GeoJSON} geojson GeoJSON object to be simplified * @param {Object} [options={}] Optional parameters * @param {number} [options.tolerance=1] Simplification tolerance * @param {boolean} [options.highQuality=false] Produce a higher-quality simplification using a slower algorithm * @param {boolean} [options.mutate=false] Allow GeoJSON input to be mutated (significant performance improvement if true) * @returns {GeoJSON} Simplified GeoJSON * @example * const geojson = turf.polygon([[ * [-70.603637, -33.399918], * [-70.614624, -33.395332], * [-70.639343, -33.392466], * [-70.659942, -33.394759], * [-70.683975, -33.404504], * [-70.697021, -33.419406], * [-70.701141, -33.434306], * [-70.700454, -33.446339], * [-70.694274, -33.458369], * [-70.682601, -33.465816], * [-70.668869, -33.472117], * [-70.646209, -33.473835], * [-70.624923, -33.472117], * [-70.609817, -33.468107], * [-70.595397, -33.458369], * [-70.587158, -33.442901], * [-70.587158, -33.426283], * [-70.590591, -33.414248], * [-70.594711, -33.406224], * [-70.603637, -33.399918] * ]]); * const result0_01 = turf.simplify(geojson, {tolerance: 0.01 }); * const result0_005 = turf.simplify(geojson, {tolerance: 0.005 }); * * //addToMap * const addToMap = [geojson, result0_01, result0_005] */ declare function simplify(geojson: T, options?: { tolerance?: number; highQuality?: boolean; mutate?: boolean; }): T; export { simplify as default, simplify };