src/libengrid/facefinder.h

   1 //
   2 // ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
   3 // +                                                                      +
   4 // + This file is part of enGrid.                                         +
   5 // +                                                                      +
   6 // + Copyright 2008-2013 enGits GmbH                                      +
   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 FACEFINDER_H
  24 #define FACEFINDER_H
  25
  26 #include "octree.h"
  27 #include "triangle.h"
  28 #include "timer.h"
  29
  30 #include <QVector>
  31 #include <QList>
  32
  33 class FaceFinder : public EgVtkObject
  34 {
  35
  36   Octree m_Octree;
  37   vtkUnstructuredGrid *m_Grid;
  38   QVector<QList<vtkIdType> > m_Faces;
  39   double m_MinSize;
  40   int    m_MaxFaces;
  41   QVector<Triangle> m_Triangles;
  42   QVector<vec3_t>   m_Centres;
  43   QVector<double>   m_CritLength;
  44   Timer m_Timer;
  45
  46
  47 private: // methods
  48
  49   double calcCritLength(vtkIdType id_cell);
  50   int refine();
  51
  52
  53 public: // methods
  54
  55   FaceFinder();
  56
  57   void setGrid(vtkUnstructuredGrid *grid);
  58   void setMaxNumFaces(int N) { m_MaxFaces = N; }
  59   void getCloseFaces(vec3_t x, QVector<vtkIdType> &faces);
  60   vtkIdType getClosestFace(vec3_t x, double &L);
  61
  62 };
  63
  64 #endif // FACEFINDER_H