Question

Takes a FeatureCollection and returns a FeatureCollection with given number of features at random.
获取一个FeatureCollection，并随机返回一个具有给定数量Feature的FeatureCollection。

> npm install @turf/sample

参数

参数	类型	描述
featurecollection	FeatureCollection	set of input features
num	number	number of features to select

返回

FeatureCollection - a FeatureCollection with n features

示例

var points = turf.randomPoint(100, {bbox: [-80, 30, -60, 60]});

var sample = turf.sample(points, 5);