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- import { FeatureCollection, Polygon, MultiPolygon, Feature } from 'geojson';
- /**
- * Smooths a {@link Polygon} or {@link MultiPolygon}. Based on [Chaikin's algorithm](http://graphics.cs.ucdavis.edu/education/CAGDNotes/Chaikins-Algorithm/Chaikins-Algorithm.html).
- * Warning: may create degenerate polygons.
- *
- * @function
- * @param {FeatureCollection<Polygon|MultiPolygon>|Feature<Polygon|MultiPolygon>|Polygon|MultiPolygon} inputPolys (Multi)Polygon(s) to smooth
- * @param {Object} [options={}] Optional parameters
- * @param {string} [options.iterations=1] The number of times to smooth the polygon. A higher value means a smoother polygon.
- * @returns {FeatureCollection<Polygon|MultiPolygon>} FeatureCollection containing the smoothed polygon/multipoylgons
- * @example
- * var polygon = turf.polygon([[[11, 0], [22, 4], [31, 0], [31, 11], [21, 15], [11, 11], [11, 0]]]);
- *
- * var smoothed = turf.polygonSmooth(polygon, {iterations: 3})
- *
- * //addToMap
- * var addToMap = [smoothed, polygon];
- */
- declare function polygonSmooth(inputPolys: FeatureCollection<Polygon | MultiPolygon> | Feature<Polygon | MultiPolygon> | Polygon | MultiPolygon, options?: {
- iterations?: number;
- }): FeatureCollection<Polygon | MultiPolygon>;
- export { polygonSmooth as default, polygonSmooth };
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