#include <CGAL/Classification/Point_set_neighborhood.h>
Functor that computes the neighborhood of an input point with a fixed number of neighbors.
 Is Model Of:
 CGAL::Classification::NeighborQuery
 See also
 Point_set_neighborhood

using  value_type = typename Point_set_neighborhood::Point 

◆ K_neighbor_query()
template<typename GeomTraits , typename PointRange , typename PointMap >
constructs a K neighbor query object.
 Parameters

neighborhood  point set neighborhood object. 
k  number of neighbors per query. 