ChainMesh.h

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/********************************************************************
 *  Copyright (C) 2010 by Federico Marulli and Alfonso Veropalumbo  *
 *  federico.marulli3@unibo.it                                      *
 *                                                                  *
 *  This program is free software; you can redistribute it and/or   *
 *  modify it under the terms of the GNU General Public License as  *
 *  published by the Free Software Foundation; either version 2 of  *
 *  the License, or (at your option) any later version.             *
 *                                                                  *
 *  This program is distributed in the hope that it will be useful, *
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of  *
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the   *
 *  GNU General Public License for more details.                    *
 *                                                                  *
 *  You should have received a copy of the GNU General Public       *
 *  License along with this program; if not, write to the Free      *
 *  Software Foundation, Inc.,                                      *
 *  59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.       *
 *******************************************************************/
 
#include "Kernel.h"
 
#ifndef __CHAINMESH__
#define __CHAINMESH__
 
 
namespace cbl {
 
  namespace chainmesh {
 
    class ChainMesh {
 
    protected:
 
      int m_nDim;
 
      std::vector<long> m_cell_to_index;
 
      double m_cell_size;
 
      std::vector<long> m_List;
 
      std::vector<long> m_Label;
 
      std::vector<std::vector<long> > m_List_index;
 
      std::vector<std::vector<double> > m_Lim;
 
      std::vector<double> m_Delta;
 
      std::vector<long> m_nCell;
 
      std::vector<long> m_search_region;
 
      long m_nCell_tot;
 
      long m_nCell_NonEmpty;
 
      std::vector<long> m_NonEmpty_Cells;
 
      std::vector<long> m_multCell;
 
      std::vector<std::vector<double>> m_points;
 
      std::vector<double> m_values;
 
      std::vector<std::vector<double>> m_extremals;
 
      std::vector<double> m_delta;
 
      double m_rMAX;
 
      double m_rMIN;
 
    public:
 
      ChainMesh () = default;
 
      ChainMesh (const double cell_size, const long nDim);
 
      ~ChainMesh () = default;
 
      void set_par (const double cell_size, const long nDim);
 
      long nCell() const { return m_nCell_tot; }
 
      long nCell_NonEmpty() const { return m_nCell_NonEmpty; }
 
      std::vector<long> NonEmpty_Cells() const { return m_NonEmpty_Cells; }
 
      long pos_to_index (const std::vector<double> center) const;
 
      long inds_to_index (const std::vector<long> indx) const;
 
      void index_to_inds (const long index, const std::vector<long> nn, std::vector<long> &indx) const;
 
      void create_chain_mesh (const std::vector<std::vector<double> > data, const double rMax, const double rMin=-1., const long nMAX=300, const long nMIN=10);
 
      void create_chain_mesh_m2 (const std::vector<std::vector<double> > data);
 
      void get_searching_region (const double r_max, const double r_min=-1.);
 
      std::vector<long> close_objects_cell (const int cell_index, long ii=-1) const;
 
      std::vector<long> close_objects (std::vector<double> center, long ii=-1) const;
 
      void normalize (std::vector<std::vector<double>> points, std::vector<double> values, const double rMAX);
 
      double interpolate (std::vector<double> xi, const int distNum);
 
      std::vector<double> interpolate (std::vector<std::vector<double>> points, std::vector<double> values, std::vector<std::vector<double>> xi, const int distNum, const double rMAX);
 
      std::vector<long> get_list (const long cell_index) const;
 
    };
 
    
    class ChainMesh1D : public ChainMesh
    {
    public:
      ChainMesh1D () = default;
 
      ~ChainMesh1D () = default;
 
      void set_par (const double cell_size, const std::vector<double> xx, const double rMAX, const double rMIN=-1., const long nMAX=300, const long nMIN=0);
 
      ChainMesh1D (const double cell_size, const std::vector<double> xx, const double rMAX, const double rMIN=-1., const long nMAX=300, const long nMIN=0);
    };
 
    class ChainMesh2D : public ChainMesh
    {
    public:
      ChainMesh2D () = default;
 
      ~ChainMesh2D () = default;
 
      void set_par (const double cell_size, const std::vector<double> xx, const std::vector<double> yy, const double rMAX, const double rMIN=-1., const long nMAX=300, const long nMIN=0);
 
      ChainMesh2D (const double cell_size, const std::vector<double> xx, const std::vector<double> yy, const double rMAX, const double rMIN=-1., const long nMAX=300, const long nMIN=0);
    };
 
    class ChainMesh3D : public ChainMesh
    {
    public:
 
      ChainMesh3D () = default;
 
      ~ChainMesh3D () = default;
 
      void set_par (const double cell_size, const std::vector<double> xx, const std::vector<double> yy, const std::vector<double> zz, const double rMAX, const double rMIN=-1., const long nMAX=300, const long nMIN=0);
 
      ChainMesh3D (const double cell_size, const std::vector<double> xx, const std::vector<double> yy, const std::vector<double> zz, const double rMAX, const double rMIN=-1., const long nMAX=300, const long nMIN=0);
    };
 
  }
}
 
#endif