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Version: 7.3.0

area

描述​

🌐 Description

计算一个或多个多边形的测地线面积（以平方米为单位）。

🌐 Calculates the geodesic area in square meters of one or more polygons.

参数​

🌐 Parameters

名称类型描述
geojsonGeoJSON以 Geometry、Feature 或 FeatureCollection 的形式输入多边形

返回​

🌐 Returns

number 平方米面积

示例​

🌐 Examples

var polygon = turf.polygon([
  [
    [125, -15],
    [113, -22],
    [154, -27],
    [144, -15],
    [125, -15],
  ],
]);

var area = turf.area(polygon);

安装​

🌐 Installation

$ npm install @turf/area

import { area } from "@turf/area";
const result = area(...);
$ npm install @turf/turf

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