marker_points.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__MARKER_POINTS__
#define __H__LIBGRID__MARKER_POINTS__
 
#include <vector>
#include <string>
#include "common/common.h"
#include "lib_grid/grid/grid.h"
#include "lib_grid/common_attachments.h"
 
namespace ug
{
 
struct MarkerPoint
{
  MarkerPoint();
  MarkerPoint(const char* name, const vector3& position, const vector3& normal);
 
  std::string name;
 
  vector3 pos;
  vector3 norm;
  vector3 localCoord;
  GridObject* associatedObj;
};
 
 
class MarkerPointManager
{
  public:
    void clear()                  {m_markers.clear();}
    inline void add_marker()            {m_markers.resize(m_markers.size() + 1);}
    inline void add_markers(size_t num = 1)     {m_markers.resize(m_markers.size() + num);}
    void add_marker(const MarkerPoint& marker)    {m_markers.push_back(marker);}
 
    inline size_t num_markers() const       {return m_markers.size();}
 
    inline MarkerPoint& get_marker(size_t index)        {return m_markers[index];}
    inline const MarkerPoint& get_marker(size_t index) const  {return m_markers[index];}
 
    inline void set_marker(size_t index,
                const MarkerPoint& marker)      {m_markers[index] = marker;}
 
    inline MarkerPoint const *get_array()           {return &m_markers.front();}
 
  protected:
    std::vector<MarkerPoint>  m_markers;
};
 
 
bool LoadMarkerPointsFromFile(MarkerPointManager& manager,
                const char* filename);
 
 
void SnapMarkerPointToGridVertex(MarkerPoint& markerInOut, Grid& grid,
                 number normalOffset,
                 Grid::VertexAttachmentAccessor<APosition>& aaPos,
                 Grid::VertexAttachmentAccessor<ANormal>* paaNorm = NULL);
 
}// end of namespace
 
#endif