centerMean

描述

¥Description

Takes a 特性 or FeatureCollection and returns the mean center.可以加权。

¥Takes a Feature or FeatureCollection and returns the mean center. Can be weighted.

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 )
options.weight?	string	the property name used to weight the center

返回

¥Returns

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

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

示例

¥Examples

var features = turf.featureCollection([
  turf.point([-97.522259, 35.4691], { value: 10 }),
  turf.point([-97.502754, 35.463455], { value: 3 }),
  turf.point([-97.508269, 35.463245], { value: 5 }),
]);

var options = { weight: "value" };
var mean = turf.centerMean(features, options);

安装

¥Installation

$ npm install @turf/center-mean

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

$ npm install @turf/turf

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