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Version: 7.3.0

polygons

描述​

🌐 Description

从多边形坐标数组创建一个 Polygon FeatureCollection。

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

参数​

🌐 Parameters

名称类型描述
coordinates不确定
properties?GeoJsonProperties一个键值对对象，用作要添加的属性 (默认 {})
options?Object可选参数 (默认 {})
options.bbox?BBox与要素相关的边界框数组 [西, 南, 东, 北]
options.id?Id与 FeatureCollection 关联的标识符

返回​

🌐 Returns

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

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(...);