src/libengrid/facefinder.h

   1 // ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
   2 // +                                                                      +
   3 // + This file is part of enGrid.                                         +
   4 // +                                                                      +
   5 // + Copyright 2008-2014 enGits GmbH                                      +
   6 // +                                                                      +
   7 // + enGrid is free software: you can redistribute it and/or modify       +
   8 // + it under the terms of the GNU General Public License as published by +
   9 // + the Free Software Foundation, either version 3 of the License, or    +
  10 // + (at your option) any later version.                                  +
  11 // +                                                                      +
  12 // + enGrid is distributed in the hope that it will be useful,            +
  13 // + but WITHOUT ANY WARRANTY; without even the implied warranty of       +
  14 // + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the        +
  15 // + GNU General Public License for more details.                         +
  16 // +                                                                      +
  17 // + You should have received a copy of the GNU General Public License    +
  18 // + along with enGrid. If not, see <http://www.gnu.org/licenses/>.       +
  19 // +                                                                      +
  20 // ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
  21 #ifndef FACEFINDER_H
  22 #define FACEFINDER_H
  23
  24 #include "octree.h"
  25 #include "triangle.h"
  26 #include "timer.h"
  27
  28 #include <QVector>
  29 #include <QList>
  30
  31 class FaceFinder : public EgVtkObject
  32 {
  33
  34   Octree                     m_Octree;
  35   vtkUnstructuredGrid*       m_Grid;
  36   QVector<QList<vtkIdType> > m_Faces;
  37   double                     m_MinSize;
  38   int                        m_MaxFaces;
  39   QVector<Triangle>          m_Triangles;
  40   QVector<vec3_t>            m_Centres;
  41   QVector<double>            m_CritLengthOctreeCell;
  42   QVector<double>            m_CritLengthNode;
  43   Timer                      m_Timer;
  44   QVector<vec3_t>            m_CollectedPoints;
  45   int                        m_NumCollectedPoints;
  46   int                        m_CollectedPointsIncrement;
  47   bool                       m_UseImprovedFaceSearch;
  48
  49
  50 private: // methods
  51
  52   void   getPointsOfFace(vtkIdType id_face);
  53   double calcCritLength(vtkIdType id_cell);
  54   void   calcCritLengthForAllNodes();
  55   int    refine();
  56
  57
  58 public: // methods
  59
  60   FaceFinder();
  61
  62   void setGrid(vtkUnstructuredGrid *grid);
  63   void setMaxNumFaces(int N) { m_MaxFaces = N; }
  64   void getCloseFaces(vec3_t x, QVector<vtkIdType> &faces);
  65   vtkIdType getClosestFace(vec3_t x, double &L);
  66
  67 };
  68
  69 #endif // FACEFINDER_H