projection_handler.h

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/*
 * Copyright (c) 2016:  G-CSC, Goethe University Frankfurt
 * Author: Sebastian Reiter
 * 
 * This file is part of UG4.
 * 
 * UG4 is free software: you can redistribute it and/or modify it under the
 * terms of the GNU Lesser General Public License version 3 (as published by the
 * Free Software Foundation) with the following additional attribution
 * requirements (according to LGPL/GPL v3 §7):
 * 
 * (1) The following notice must be displayed in the Appropriate Legal Notices
 * of covered and combined works: "Based on UG4 (www.ug4.org/license)".
 * 
 * (2) The following notice must be displayed at a prominent place in the
 * terminal output of covered works: "Based on UG4 (www.ug4.org/license)".
 * 
 * (3) The following bibliography is recommended for citation and must be
 * preserved in all covered files:
 * "Reiter, S., Vogel, A., Heppner, I., Rupp, M., and Wittum, G. A massively
 *   parallel geometric multigrid solver on hierarchically distributed grids.
 *   Computing and visualization in science 16, 4 (2013), 151-164"
 * "Vogel, A., Reiter, S., Rupp, M., Nägel, A., and Wittum, G. UG4 -- a novel
 *   flexible software system for simulating pde based models on high performance
 *   computers. Computing and visualization in science 16, 4 (2013), 165-179"
 * 
 * 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 Lesser General Public License for more details.
 */
 
#ifndef __H__UG_projection_handler_new
#define __H__UG_projection_handler_new
 
#include <vector>
#include <algorithm>
#include "common/assert.h"
#include "refinement_projector.h"
#include "lib_grid/tools/subset_handler_interface.h"
#include "lib_grid/callbacks/selection_callbacks.h"
#include "lib_grid/callbacks/subset_callbacks.h"
 
namespace ug{
 
 
UG_API class ProjectionHandler : public RefinementProjector {
public:
  ProjectionHandler ();
 
  ProjectionHandler (ISubsetHandler* psh);
 
  ProjectionHandler (SmartPtr<ISubsetHandler> psh);
 
  ProjectionHandler (SPIGeometry3d geometry,
             ISubsetHandler* psh);
 
  template <class TGeomProvider>
  ProjectionHandler (const TGeomProvider& geometry,
             SmartPtr<ISubsetHandler> psh) :
    RefinementProjector (geometry),
    m_sh (psh.get()),
    m_spSH (psh)
  {
    m_defaultProjector = make_sp(new RefinementProjector);
  }
 
  virtual ~ProjectionHandler ();
 
  void clear();
 
  virtual void set_geometry (SPIGeometry3d geometry);
 
 
  virtual void set_geometry_all (SPIGeometry3d geometry);
 
  void set_subset_handler (ISubsetHandler* psh);
 
  void set_subset_handler (SmartPtr<ISubsetHandler> psh);
 
 
  inline const ISubsetHandler* subset_handler() const     {return m_sh;}
 
  void set_default_projector (SPRefinementProjector projector);
  
 
  void set_projector (int subsetIndex, SPRefinementProjector projector);
 
 
  void set_projector (const char* subsetName, SPRefinementProjector projector);
 
  inline size_t num_projectors () const   {return m_projectors.size() > 0 ? m_projectors.size() - 1 : 0;}
  
  inline SPRefinementProjector
  projector (size_t i)            {projector_required((int)i); return m_projectors.at(i + 1);}
 
  inline ConstSmartPtr<RefinementProjector>
  projector (size_t i)  const       {return m_projectors.at(i + 1);}
 
  inline SPRefinementProjector
  default_projector ()            {return m_defaultProjector;}
 
  inline ConstSmartPtr<RefinementProjector>
  default_projector ()  const       {return m_defaultProjector;}
 
//  IMPLEMENTATION OF RefinementProjector
  virtual bool refinement_begins_requires_subgrid () const;
 
 
  virtual void refinement_begins (const ISubGrid* psg);
 
  virtual void refinement_ends();
 
  virtual number new_vertex (Vertex* vrt, Vertex* parent);
 
  virtual number new_vertex (Vertex* vrt, Edge* parent);
 
  virtual number new_vertex (Vertex* vrt, Face* parent);
 
  virtual number new_vertex (Vertex* vrt, Volume* parent);
 
 
private:
  friend class boost::serialization::access;
 
  void projector_required(int index);
 
  template <class TParent>
  number handle_new_vertex (Vertex* vrt, TParent* parent);
 
  ISubsetHandler*               m_sh;
  SmartPtr<ISubsetHandler>          m_spSH;
  std::vector<SmartPtr<RefinementProjector> > m_projectors;
  SmartPtr<RefinementProjector>       m_defaultProjector;
};
 
typedef SmartPtr<ProjectionHandler> SPProjectionHandler;
 
}// end of namespace
 
#endif  //__H__UG_projection_handler_new