centerOfMass
描述
¥Description
获取任意 特性 或 FeatureCollection 对象并使用以下公式返回其 质心:多边形质心。
¥Takes any Feature or a FeatureCollection and returns its center of mass using this formula: Centroid of Polygon.
参数
¥Parameters
名称 | 类型 | 描述 |
---|---|---|
geojson | GeoJSON | 待居中的 GeoJSON |
options? | 对象 | 可选参数(默认 {}) |
options.properties? | 对象 | 将属性转换为要素(默认 {}) |
返回
¥Returns
¥Feature<Point> the center of mass
示例
¥Examples
var polygon = turf.polygon([
[
[-81, 41],
[-88, 36],
[-84, 31],
[-80, 33],
[-77, 39],
[-81, 41],
],
]);
var center = turf.centerOfMass(polygon);
安装
¥Installation
$ npm install @turf/center-of-mass
import { centerOfMass } from "@turf/center-of-mass";
const result = centerOfMass(...);
$ npm install @turf/turf
import * as turf from "@turf/turf";
const result = turf.centerOfMass(...);