Method buffer

src/common/util/GeometryAnalysis.js:60–68

* @function GeometryAnalysis.prototype.buffer * @version 11.2.0 * @description 缓冲区分析。 * @param {GeoJSONFeature} feature - 要素。 * @param {number} radius - 缓冲区距离，单位与数据单位一致。 * @returns {GeoJSONFeature} 结果要素。

(feature, radius)

   * @returns {GeoJSONFeature} 结果要素。
   */
  buffer(feature, radius) {
    const ugcGeojson = geojson2UGGeometry(feature);
    const buffer = this.module._UGCWasm_Geometrist_Buffer(ugcGeojson, radius);
    const geometry = ugGeometry2Geojson(buffer);
    return {
      type: "Feature",
      geometry
    }
  }
  /**
   * @function GeometryAnalysis.prototype.computeConvexHull
   * @version 11.2.0