selector_grid_elem.h

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/*
 * Copyright (c) 2010-2015:  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__LIBGRID__SELECTOR_GRID_ELEM__
#define __H__LIBGRID__SELECTOR_GRID_ELEM__
 
#include <cassert>
#include "selector_grid.h"
 
namespace ug
{
 
//  TElemSelector
 
template <class TBaseElem>
class UG_API TElemSelector : public Selector
{
  public:
    typedef typename geometry_traits<TBaseElem>::iterator iterator;
    typedef typename geometry_traits<TBaseElem>::const_iterator const_iterator;
 
 
  public:
    TElemSelector() : Selector(SE_NONE)
    {
      int typId = geometry_traits<TBaseElem>::BASE_OBJECT_ID;
      switch(typId){
        case VERTEX: this->enable_element_support(SE_VERTEX); break;
        case EDGE: this->enable_element_support(SE_EDGE); break;
        case FACE: this->enable_element_support(SE_FACE); break;
        case VOLUME: this->enable_element_support(SE_VOLUME); break;
        default: break;
      }
    }
    TElemSelector() : Selector(SE_NONE) {…}
 
    TElemSelector(Grid& grid) : Selector(grid, SE_NONE)
    {
      int typId = geometry_traits<TBaseElem>::BASE_OBJECT_ID;
      switch(typId){
        case VERTEX: this->enable_element_support(SE_VERTEX); break;
        case EDGE: this->enable_element_support(SE_EDGE); break;
        case FACE: this->enable_element_support(SE_FACE); break;
        case VOLUME: this->enable_element_support(SE_VOLUME); break;
        default: break;
      }
    }
    TElemSelector(Grid& grid) : Selector(grid, SE_NONE) {…}
 
    using Selector::begin;// support for iteration over Edge, ConstrainedEdge, ...
    inline iterator begin()           {return Selector::begin<TBaseElem>();}
    inline const_iterator begin() const     {return Selector::begin<TBaseElem>();}
 
    using Selector::end;// support for iteration over Edge, ConstrainedEdge, ...
    inline iterator end()           {return Selector::end<TBaseElem>();}
    inline const_iterator end() const     {return Selector::end<TBaseElem>();}
 
};
class UG_API TElemSelector : public Selector {…};
 
//  typedefs of the four element-selectors
 
typedef TElemSelector<Vertex> VertexSelector;
typedef TElemSelector<Edge>   EdgeSelector;
typedef TElemSelector<Face>     FaceSelector;
typedef TElemSelector<Volume>   VolumeSelector;
 
}// end of namespace
 
#endif