parallel_delaunay_3d.h

Go to the documentation of this file.

/*
 *  Copyright (c) 2000-2022 Inria
 *  All rights reserved.
 *
 *  Redistribution and use in source and binary forms, with or without
 *  modification, are permitted provided that the following conditions are met:
 *
 *  * Redistributions of source code must retain the above copyright notice,
 *  this list of conditions and the following disclaimer.
 *  * Redistributions in binary form must reproduce the above copyright notice,
 *  this list of conditions and the following disclaimer in the documentation
 *  and/or other materials provided with the distribution.
 *  * Neither the name of the ALICE Project-Team nor the names of its
 *  contributors may be used to endorse or promote products derived from this
 *  software without specific prior written permission.
 *
 *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 *  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 *  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 *  ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
 *  LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 *  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 *  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 *  INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 *  CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 *  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 *  POSSIBILITY OF SUCH DAMAGE.
 *
 *  Contact: Bruno Levy
 *
 *     https://www.inria.fr/fr/bruno-levy
 *
 *     Inria,
 *     Domaine de Voluceau,
 *     78150 Le Chesnay - Rocquencourt
 *     FRANCE
 *
 */
 
#ifndef GEOGRAM_PARALLEL_DELAUNAY_DELAUNAY_3D
#define GEOGRAM_PARALLEL_DELAUNAY_DELAUNAY_3D
 
#ifdef GEOGRAM_WITH_PDEL
 
#include <geogram/basic/common.h>
#include <geogram/delaunay/delaunay.h>
#include <geogram/delaunay/delaunay_sync.h>
#include <geogram/basic/process.h>
 
namespace GEO {
 
    class GEOGRAM_API ParallelDelaunay3d : public Delaunay {
    public:
        ParallelDelaunay3d(coord_index_t dimension = 3);
 
        void set_vertices(index_t nb_vertices, const double* vertices) override;
 
        index_t nearest_vertex(const double* p) const override;
 
        void set_BRIO_levels(const vector<index_t>& levels) override;
 
    private:
        vector<index_t> cell_to_v_store_;
        vector<index_t> cell_to_cell_store_;
        vector<index_t> cell_next_;
        CellStatusArray cell_status_;
        ThreadGroup threads_;
        bool weighted_; // true for regular triangulation.
        vector<double> heights_; // only used in weighted mode.
        vector<index_t> reorder_;
        vector<index_t> levels_;
 
        bool debug_mode_;
 
        bool verbose_debug_mode_;
 
        bool benchmark_mode_;
 
 
        friend class Delaunay3dThread;
    };
 
 
}
 
#endif
 
#endif