booleanConcave

描述

🌐 Description

获取一个多边形，并返回 true 或 false，以判断其是否为凹多边形。

🌐 Takes a polygon and return true or false as to whether it is concave or not.

参数

🌐 Parameters

名称	类型	描述
polygon	Feature<Polygon>	待评估

返回

🌐 Returns

boolean true/false

示例

🌐 Examples

var convexPolygon = turf.polygon([
  [
    [0, 0],
    [0, 1],
    [1, 1],
    [1, 0],
    [0, 0],
  ],
]);

turf.booleanConcave(convexPolygon);
//=false

安装

🌐 Installation

$ npm install @turf/boolean-concave

import { booleanConcave } from "@turf/boolean-concave";
const result = booleanConcave(...);

$ npm install @turf/turf

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