# nearestPoint
Takes a reference point and a FeatureCollection of Features with Point geometries and returns the point from the FeatureCollection closest to the reference. This calculation is geodesic.
取一个参考点和一个点FeatureCollection
,并返回从FeatureCollection
最接近参考的点。这个计算是测地线的。
参数
参数 | 类型 | 描述 |
---|---|---|
targetPoint | Coord | the reference point |
points | FeatureCollection <Point> | against input point set |
返回
Feature <Point> - the closest point in the set to the reference point
示例
var targetPoint = turf.point([112.015826, 36.074031], {"marker-color": "#F00"});
var points = turf.featureCollection([
turf.point([105.142483, 35.834725]),
turf.point([104.772949, 30.963027]),
turf.point([110.907223, 33.09316])
]);
var nearest = turf.nearestPoint(targetPoint, points);
npm install @turf/nearest-point