OctreeMesh.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: OctreeMesh.hpp,v 1.5 2008/03/04 00:17:57 delpinux Exp $

#ifndef OCTREE_MESH_HPP
#define OCTREE_MESH_HPP

#include <Mesh.hpp>

#include <CartesianHexahedron.hpp>
#include <SurfaceMeshOfQuadrangles.hpp>

#include <VerticesSet.hpp>
#include <VerticesCorrespondance.hpp>

#include <Connectivity.hpp>

class OctreeMesh
  : public Mesh
{
public:
  typedef CartesianHexahedron CellType;
  typedef Quadrangle FaceType;

  enum {
    family = Mesh::volume
  };

  typedef SurfaceMeshOfQuadrangles BorderMeshType;

private:
  ReferenceCounting<Vector<CartesianHexahedron> >
  __cells;                      
  Connectivity<OctreeMesh> __connectivity; 
  OctreeMesh(const OctreeMesh&);

public:
  typedef Mesh::T_iterator<OctreeMesh, CartesianHexahedron> iterator;
  typedef Mesh::T_iterator<const OctreeMesh, const CartesianHexahedron> const_iterator;

  bool isPeriodic() const
  {
    return false;
  }

  bool hasBorderMesh() const
  {
    return false;
  }

  ConstReferenceCounting<Mesh> borderBaseMesh() const
  {
    throw ErrorHandler(__FILE__,__LINE__,
                       "not implemented yet",
                       ErrorHandler::unexpected);

    return 0;
  }

  ConstReferenceCounting<BorderMeshType> borderMesh() const
  {
    throw ErrorHandler(__FILE__,__LINE__,
                       "not implemented",
                       ErrorHandler::unexpected);
    return 0;
  }

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

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

  std::string typeName() const
  {
    return "non conforming octree-mesh";
  }

  bool inside(const real_t& x, const real_t& y, const real_t& z) const
  {
    throw ErrorHandler(__FILE__,__LINE__,
                       "cannot check if a vertex is inside an octree mesh",
                       ErrorHandler::unexpected);
    return false;
  }

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

  void buildFaces()
  {
    throw ErrorHandler(__FILE__,__LINE__,
                       "not implemented",
                       ErrorHandler::unexpected);
  }

  void buildEdges()
  {
    throw ErrorHandler(__FILE__,__LINE__,
                       "not implemented",
                       ErrorHandler::unexpected);
  }

  bool hasFaces() const
  {
    return false;
  }

  const size_t& numberOfCells() const;

  size_t cellNumber(const CartesianHexahedron& h) const
  {
    return __cells->number(h);
  }

  const FaceType& face(const size_t& i) const
  {
    static FaceType badFace;
    return badFace;
  }

  size_t faceNumber(const FaceType& f) const
  {
    return std::numeric_limits<size_t>::max();
  }

  const size_t& numberOfFaces() const
  {
    static size_t badValue;
    return badValue;
  }

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

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

  OctreeMesh(ReferenceCounting<VerticesSet> vertices,
             ReferenceCounting<VerticesCorrespondance> correspondance,
             ReferenceCounting<Vector<CartesianHexahedron> > hexahedra)
    :  Mesh(Mesh::octreeMesh,
            Mesh::volume,
            vertices,
            correspondance),
       __cells(hexahedra),
       __connectivity(*this)
  {
    ;
  }

  ~OctreeMesh()
  {
    ;
  }
};

#endif // OCTREE_MESH_HPP

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