pointsWithinPolygon

描述

🌐 Description

查找位于(多)多边形内的点或多点坐标位置。

🌐 Finds Points or MultiPoint coordinate positions that fall within (Multi)Polygon(s).

参数

🌐 Parameters

名称	类型	描述
points	Feature | FeatureCollection<Point | MultiPoint>	点或多点作为输入搜索
polygons	FeatureCollection | Geometry | Feature<Polygon | MultiPolygon>	(多)多边形，用于检查点是否在其中

返回

🌐 Returns

FeatureCollection<Point | MultiPoint> 位于至少一个多边形内的点或多点。几何类型将与传入的类型匹配

示例

🌐 Examples

var points = turf.points([
  [-46.6318, -23.5523],
  [-46.6246, -23.5325],
  [-46.6062, -23.5513],
  [-46.663, -23.554],
  [-46.643, -23.557],
]);

var searchWithin = turf.polygon([
  [
    [-46.653, -23.543],
    [-46.634, -23.5346],
    [-46.613, -23.543],
    [-46.614, -23.559],
    [-46.631, -23.567],
    [-46.653, -23.56],
    [-46.653, -23.543],
  ],
]);

var ptsWithin = turf.pointsWithinPolygon(points, searchWithin);

安装

🌐 Installation

$ npm install @turf/points-within-polygon

import { pointsWithinPolygon } from "@turf/points-within-polygon";
const result = pointsWithinPolygon(...);

$ npm install @turf/turf

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