import { AllGeoJSON } from '@turf/helpers'; /** * Takes a {@link GeoJSON} object and returns a simplified version. Internally uses the 2d version of * [simplify-js](http://mourner.github.io/simplify-js/) to perform simplification using the Ramer-Douglas-Peucker algorithm. * * * @function * @param {GeoJSON} geojson object to be simplified * @param {Object} [options={}] Optional parameters * @param {number} [options.tolerance=1] simplification tolerance * @param {boolean} [options.highQuality=false] whether or not to spend more time to create a higher-quality simplification with a different algorithm * @param {boolean} [options.mutate=false] allows GeoJSON input to be mutated (significant performance increase if true) * @returns {GeoJSON} a simplified GeoJSON * @example * var 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] * ]]); * var options = {tolerance: 0.01, highQuality: false}; * var simplified = turf.simplify(geojson, options); * * //addToMap * var addToMap = [geojson, simplified] */ declare function simplify(geojson: T, options?: { tolerance?: number; highQuality?: boolean; mutate?: boolean; }): T; export { simplify as default, simplify };