MeshOfTetrahedra.hpp

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//  This file is part of ff3d - http://www.freefem.org/ff3d
//  Copyright (C) 2001, 2002, 2003 Stéphane Del Pino

//  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, 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.  

//  $Id: MeshOfTetrahedra.hpp,v 1.20 2008/03/04 00:17:57 delpinux Exp $

#ifndef MESH_OF_TETRA_HPP
#define MESH_OF_TETRA_HPP

#include <Mesh.hpp>
#include <Tetrahedron.hpp>
#include <Connectivity.hpp>
#include <Octree.hpp>

#include <list>
#include <map>

#include <SurfaceMeshOfTriangles.hpp>
#include <FacesSet.hpp>

class MeshOfTetrahedra
  : public Mesh
{
public:
  typedef Tetrahedron CellType;
  typedef Tetrahedron::FaceType FaceType;

  typedef MeshOfTetrahedra Transformed;

  typedef SurfaceMeshOfTriangles BorderMeshType;

  enum {
    family = Mesh::volume
  };
private:

  ReferenceCounting<Vector<Tetrahedron> > __cells; 
  ReferenceCounting<Octree<size_t, 3> > __octree; 
  TinyVector<3,real_t> __a;     
  TinyVector<3,real_t> __b;     
  ReferenceCounting<BorderMeshType> __borderMesh; 
  ReferenceCounting<FacesSet<Triangle> > __facesSet; 
  Connectivity<MeshOfTetrahedra> __connectivity; 
  MeshOfTetrahedra(const MeshOfTetrahedra& m);

public:
  std::string typeName() const
  {
    return "mesh of tetrahedra";
  }

  inline bool inside(const real_t& x, const real_t& y, const real_t& z) const
  {
    return not(this->find(x, y, z).end());

  }

  inline bool inside(const TinyVector<3>& p) const
  {
    return this->inside(p[0], p[1], p[2]);
  }

  bool hasBorderMesh() const
  {
    return (__borderMesh != 0);
  }

  ConstReferenceCounting<BorderMeshType> borderMesh() const
  {
    return __borderMesh;
  }

  ConstReferenceCounting<Mesh> borderBaseMesh() const
  {
    return static_cast<const BorderMeshType*>(__borderMesh);
  }

  inline const size_t& numberOfCells() const
  {
    return (*__cells).size();
  }

  void buildEdges();

  bool hasFaces() const
  {
    return (__facesSet != 0);
  }
  void buildFaces();

  const FaceType& face(const size_t& i) const
  {
    ASSERT(__facesSet != 0);
    return (*__facesSet)[i];
  }

  inline const size_t& numberOfFaces() const
  {
    ASSERT(__facesSet != 0);
    return (*__facesSet).numberOfFaces();
  }

  size_t cellNumber(const Tetrahedron& h) const
  {
    return (*__cells).number(h);
  }

  size_t faceNumber(const FaceType& f) const
  {
    ASSERT(__facesSet != 0);
    return (*__facesSet).number(f);
  }

  typedef Mesh::T_iterator<MeshOfTetrahedra, Tetrahedron> iterator;
  typedef Mesh::T_iterator<const MeshOfTetrahedra, const Tetrahedron> const_iterator;

  void buildLocalizationTools();

  MeshOfTetrahedra::const_iterator find(const TinyVector<3, real_t>& P) const
  {
    return find(P[0], P[1], P[2]);
  }

  MeshOfTetrahedra::const_iterator find(const double& x,
                                        const double& y,
                                        const double& z) const;

  inline Tetrahedron& cell(const size_t& i)
  {
    return (*__cells)[i];
  }

  inline const Tetrahedron& cell(const size_t& i) const
  {
    return (*__cells)[i];
  }

  const Connectivity<MeshOfTetrahedra>& connectivity() const
  {
    return __connectivity;
  }

  Connectivity<MeshOfTetrahedra>& connectivity()
  {
    return __connectivity;
  }

  MeshOfTetrahedra(ReferenceCounting<VerticesSet> vertices,
                   ReferenceCounting<VerticesCorrespondance> correspondances,
                   ReferenceCounting<Vector<Tetrahedron> > tetrahedra,
                   ReferenceCounting<BorderMeshType> triangles = 0);

  ~MeshOfTetrahedra()
  {
    ;
  }
};

#endif // MESH_OF_TETRA_HPP

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