coordEach

描述

¥Description

Iterate over coordinates in any GeoJSON object, similar to Array.forEach()

参数

¥Parameters

名称	类型	描述
geojson	AllGeoJSON	任意 GeoJSON 对象
callback	coordEachCallback	a method that takes (currentCoord, coordIndex, featureIndex, multiFeatureIndex)
excludeWrapCoord?	boolean	whether or not to include the final coordinate of LinearRings that wraps the ring in its iteration.(默认 false)

返回

¥Returns

void

示例

¥Examples

var features = turf.featureCollection([
  turf.point([26, 37], { foo: "bar" }),
  turf.point([36, 53], { hello: "world" }),
]);

turf.coordEach(
  features,
  function (
    currentCoord,
    coordIndex,
    featureIndex,
    multiFeatureIndex,
    geometryIndex,
  ) {
    //=currentCoord
    //=coordIndex
    //=featureIndex
    //=multiFeatureIndex
    //=geometryIndex
  },
);

安装

¥Installation

$ npm install @turf/meta

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

$ npm install @turf/turf

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