import bbox from "@turf/bbox"; import { point, } from "@turf/helpers"; /** * Takes a {@link Feature} or {@link FeatureCollection} and returns the absolute center point of all features. * * @name center * @param {GeoJSON} geojson GeoJSON to be centered * @param {Object} [options={}] Optional parameters * @param {Object} [options.properties={}] Translate GeoJSON Properties to Point * @param {Object} [options.bbox={}] Translate GeoJSON BBox to Point * @param {Object} [options.id={}] Translate GeoJSON Id to Point * @returns {Feature} a Point feature at the absolute center point of all input features * @example * var features = turf.points([ * [-97.522259, 35.4691], * [-97.502754, 35.463455], * [-97.508269, 35.463245] * ]); * * var center = turf.center(features); * * //addToMap * var addToMap = [features, center] * center.properties['marker-size'] = 'large'; * center.properties['marker-color'] = '#000'; */ function center(geojson, options) { if (options === void 0) { options = {}; } var ext = bbox(geojson); var x = (ext[0] + ext[2]) / 2; var y = (ext[1] + ext[3]) / 2; return point([x, y], options.properties, options); } export default center;