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Version: 7.3.0

polygons

描述​

¥Description

根据多边形坐标数组创建 多边形 FeatureCollection。

¥Creates a Polygon FeatureCollection from an Array of Polygon coordinates.

参数​

¥Parameters

名称类型描述
coordinatesUNCERTAIN
properties?GeoJsonProperties要添加为属性的键值对对象（默认 ）
options?对象可选参数（默认值：）
options.bbox?BBox与要素关联的边界框数组 [西，南，东，北]
options.id?ID与特性集合关联的标识符

返回​

¥Returns

FeatureCollection<多边形, GeoJsonProperties> 多边形要素集合

¥FeatureCollection<Polygon, GeoJsonProperties> Polygon FeatureCollection

示例​

¥Examples

var polygons = turf.polygons([
  [
    [
      [-5, 52],
      [-4, 56],
      [-2, 51],
      [-7, 54],
      [-5, 52],
    ],
  ],
  [
    [
      [-15, 42],
      [-14, 46],
      [-12, 41],
      [-17, 44],
      [-15, 42],
    ],
  ],
]);

//=polygons

安装​

¥Installation

$ npm install @turf/helpers

import { polygons } from "@turf/helpers";
const result = polygons(...);
$ npm install @turf/turf

import * as turf from "@turf/turf";
const result = turf.polygons(...);