guiimproveaspectratio.cpp

   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 #include "guiimproveaspectratio.h"
  24 #include "vtkEgEliminateShortEdges.h"
  25
  26 void GuiImproveAspectRatio::before()
  27 {
  28   ui.lineEditAspectRatio->setText("100.0");
  29 };
  30
  31 void GuiImproveAspectRatio::operate()
  32 {
  33   EG_VTKSP(vtkEgEliminateShortEdges, elem);
  34   int N_elim = 0;
  35   int N_sweeps = 0;
  36   elem->SetMaxRatio(ui.lineEditAspectRatio->text().toDouble());
  37   elem->SetMaxLength(ui.lineEditLength->text().toDouble());
  38   EG_VTKSP(vtkUnstructuredGrid,ug);
  39   do {
  40     ug->DeepCopy(grid);
  41     elem->SetInput(ug);
  42     elem->Update();
  43     grid->DeepCopy(elem->GetOutput());
  44     N_elim += elem->GetNumEliminated();
  45     ++N_sweeps;
  46   } while (elem->GetNumEliminated() > 0);
  47   QString text, t1, t2;
  48   t1.setNum(N_elim);
  49   t2.setNum(N_sweeps);
  50 };
  51