geometryCollection
描述
¥Description
基于坐标数组创建一个 Feature<GeometryCollection>。属性可选择性添加。
¥Creates a Feature<GeometryCollection> based on a coordinate array. Properties can be added optionally.
参数
¥Parameters
名称 | 类型 | 描述 |
---|---|---|
geometries | 数组<点 | LineString | 多边形 | MultiPoint | MultiLineString | MultiPolygon> | 一个 GeoJSON 几何体数组 |
properties? | GeoJsonProperties | 一个键值对对象,用于添加为属性(默认为 {}) |
options? | 对象 | 可选参数(默认 {}) |
options.bbox? | BBox | 与要素关联的边界框数组 [西,南,东,北] |
options.id? | ID | 与特性关联的标识符 |
返回
¥Returns
特性<GeometryCollection, GeoJsonProperties> GeoJSON 几何集合要素
¥Feature<GeometryCollection, GeoJsonProperties> a GeoJSON GeometryCollection Feature
示例
¥Examples
var pt = turf.geometry("Point", [100, 0]);
var line = turf.geometry("LineString", [
[101, 0],
[102, 1],
]);
var collection = turf.geometryCollection([pt, line]);
// => collection
安装
¥Installation
$ npm install @turf/helpers
import { geometryCollection } from "@turf/helpers";
const result = geometryCollection(...);
$ npm install @turf/turf
import * as turf from "@turf/turf";
const result = turf.geometryCollection(...);