delaunay_nn.h

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#ifndef GEOGRAM_DELAUNAY_DELAUNAY_NN
#define GEOGRAM_DELAUNAY_DELAUNAY_NN
 
#include <geogram/basic/common.h>
#include <geogram/delaunay/delaunay.h>
#include <geogram/points/nn_search.h>
#include <geogram/basic/process.h>
 
namespace GEO {
 
    class GEOGRAM_API Delaunay_NearestNeighbors : public Delaunay {
    public:
        Delaunay_NearestNeighbors(coord_index_t dimension);
 
        virtual void enlarge_neighborhood(index_t i, index_t nb);
 
        void set_vertices(
            index_t nb_vertices, const double* vertices
        ) override;
 
        index_t nearest_vertex(const double* p) const override;
 
        NearestNeighborSearch* nn_search() {
            return NN_;
        }
 
    public:
        void store_neighbors_CB(index_t i) override;
 
    protected:
        ~Delaunay_NearestNeighbors() override;
 
        void get_neighbors_internal(
            index_t v, vector<index_t>& neighbors
        ) const override;
 
        virtual index_t get_neighbors_internal(
            index_t v, index_t nb_neighbors, index_t* neighbors
        ) const;
 
    private:
        NearestNeighborSearch_var NN_;
    };
}
 
#endif