center

描述

¥Description

Takes a 特性 or FeatureCollection and returns the absolute center point of all features.

¥Takes a Feature or FeatureCollection and returns the absolute center point of all features.

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	Translate GeoJSON Properties to Point (default )
options.bbox?	对象	Translate GeoJSON BBox to Point (default )
options.id?	对象	Translate GeoJSON Id to Point (default )

返回

¥Returns

特性<点> a Point feature at the absolute center point of all input features

¥Feature<Point> a Point feature at the absolute center point of all input features

示例

¥Examples

var features = turf.points([
  [-97.522259, 35.4691],
  [-97.502754, 35.463455],
  [-97.508269, 35.463245],
]);

var center = turf.center(features);

安装

¥Installation

$ npm install @turf/center

import { center } from "@turf/center";
const result = center(...);

$ npm install @turf/turf

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