polygons

描述

¥Description

Creates a 多边形 FeatureCollection from an Array of Polygon coordinates.

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

参数

¥Parameters

名称	类型	描述
coordinates	UNCERTAIN
properties?	GeoJsonProperties	an Object of key-value pairs to add as properties (default )
options?	对象	可选参数（默认 ）
options.bbox?	BBox	Bounding Box Array [west, south, east, north] associated with the Feature
options.id?	ID	Identifier associated with the FeatureCollection

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(...);