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Version: 7.2.0

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输入多边形为 几何图形、特性 或 FeatureCollection

返回​

¥Returns

number 面积（平方米）

¥number area in square meters

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(...);