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Version: 7.2.0

centerMean

描述

¥Description

获取一个 特性FeatureCollection 对象并返回其平均中心。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
geojsonGeoJSON待居中的 GeoJSON
options?对象可选参数(默认 {})
options.properties?对象将 GeoJSON 属性转换为点(默认 {})
options.bbox?对象将 GeoJSON BBox 转换为点(默认 {})
options.id?对象将 GeoJSON ID 转换为点(默认 {})
options.weight?string用于加权中心的属性名称

返回

¥Returns

特性<> 位于所有输入特性平均中心的点特性

¥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(...);