src/libengrid/iterator.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 iterator_H
  22 #define iterator_H
  23
  24 class Iterator;
  25
  26 #include "operation.h"
  27
  28 class Iterator : public Operation
  29 {
  30
  31 private: // attributes
  32
  33 protected: // attributes
  34
  35   struct pair_t
  36   {
  37     vtkIdType item1;
  38     vtkIdType item2;
  39     bool      terminate;
  40   };
  41
  42   QVector<pair_t> pair;
  43
  44   /** array used to mark item for the next iteration loop. */
  45   QVector<bool> mark1;
  46
  47   /** array used to marked "finished" items */
  48   QVector<bool> mark2;
  49
  50   QVector<vtkIdType>  item;
  51
  52   bool volume_iteration;
  53   bool custom_iteration;
  54
  55   QVector<vtkIdType>     cells;
  56   QVector<vtkIdType>     nodes;
  57   QVector<int>           _cells;
  58   QVector<int>           _nodes;
  59   QVector<QSet<int> >    n2c;
  60   QVector<QSet<int> >    n2n;
  61   QVector<QVector<int> > c2c;
  62
  63
  64 protected: // methods
  65
  66   virtual void pass1();
  67   virtual void pass2() {}
  68   void getCells();
  69
  70 public: // methods
  71
  72   Iterator();
  73
  74   void setVolumeIteration()  { volume_iteration = true; }
  75   void setSurfaceIteration() { volume_iteration = false; }
  76
  77 };
  78
  79 #endif
  80