src/swaptriangles.h

   1 //
   2 // ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
   3 // +                                                                      +
   4 // + This file is part of enGrid.                                         +
   5 // +                                                                      +
   6 // + Copyright 2008,2009 Oliver Gloth                                     +
   7 // +                                                                      +
   8 // + enGrid is free software: you can redistribute it and/or modify       +
   9 // + it under the terms of the GNU General Public License as published by +
  10 // + the Free Software Foundation, either version 3 of the License, or    +
  11 // + (at your option) any later version.                                  +
  12 // +                                                                      +
  13 // + enGrid is distributed in the hope that it will be useful,            +
  14 // + but WITHOUT ANY WARRANTY; without even the implied warranty of       +
  15 // + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the        +
  16 // + GNU General Public License for more details.                         +
  17 // +                                                                      +
  18 // + You should have received a copy of the GNU General Public License    +
  19 // + along with enGrid. If not, see <http://www.gnu.org/licenses/>.       +
  20 // +                                                                      +
  21 // ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
  22 //
  23 #ifndef swaptriangles_H
  24 #define swaptriangles_H
  25
  26 class SwapTriangles;
  27
  28 #include "surfaceoperation.h"
  29
  30 class SwapTriangles : public SurfaceOperation
  31 {
  32
  33 private: // attributes
  34
  35   QVector<bool> m_Marked;
  36   bool          m_RespectBC;
  37   bool          m_FeatureSwap;
  38   bool          m_SmallAreaSwap;
  39   int           m_MaxNumLoops;
  40   double        m_SmallAreaRatio;
  41
  42 private: // methods
  43
  44   ///returns true if performing a swap on the stencil does not change the orientation of the cells (tetra volume test)
  45   bool testSwap(stencil_t S);
  46
  47   ///returns true if id_node1 is linked to id_node2
  48   bool isEdge(vtkIdType id_node1, vtkIdType id_node2);
  49
  50 protected: // methods
  51
  52   virtual void operate();
  53
  54 public:
  55
  56   SwapTriangles();
  57
  58   void setRespectBC(bool b)      { m_RespectBC   = b; }
  59   void setFeatureSwap(bool b)    { m_FeatureSwap = b; }
  60   void setMaxNumLoops(int n)     { m_MaxNumLoops = n; }
  61   void setSmallAreaSwap(bool b)  { m_SmallAreaSwap = b; }
  62
  63 };
  64
  65 #endif