flatten

描述

🌐 Description

将任何 GeoJSON 扁平化为一个 FeatureCollection，灵感来自 geojson-flatten。

🌐 Flattens any GeoJSON to a FeatureCollection inspired by geojson-flatten.

参数

🌐 Parameters

名称	类型	描述
geojson	GeoJSON	任何有效的 GeoJSON 对象

返回

🌐 Returns

FeatureCollection<any> 所有多几何体都被平铺为单一要素

示例

🌐 Examples

var multiGeometry = turf.multiPolygon([
  [
    [
      [102.0, 2.0],
      [103.0, 2.0],
      [103.0, 3.0],
      [102.0, 3.0],
      [102.0, 2.0],
    ],
  ],
  [
    [
      [100.0, 0.0],
      [101.0, 0.0],
      [101.0, 1.0],
      [100.0, 1.0],
      [100.0, 0.0],
    ],
    [
      [100.2, 0.2],
      [100.8, 0.2],
      [100.8, 0.8],
      [100.2, 0.8],
      [100.2, 0.2],
    ],
  ],
]);

var flatten = turf.flatten(multiGeometry);

安装

🌐 Installation

$ npm install @turf/flatten

import { flatten } from "@turf/flatten";
const result = flatten(...);

$ npm install @turf/turf

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