vtkreader.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 "vtkreader.h"
  24
  25 #include <vtkUnstructuredGridReader.h>
  26
  27 VtkReader::VtkReader()
  28 {
  29   setFormat("legacy VTK files(*.vtk)");
  30   setExtension(".vtk");
  31 };
  32
  33 void VtkReader::operate()
  34 {
  35   try {
  36     readInputFileName();
  37     if (isValid()) {
  38       EG_VTKSP(vtkUnstructuredGridReader,vtk);
  39       vtk->SetFileName(getFileName().toAscii().data());
  40       vtk->Update();
  41       grid->DeepCopy(vtk->GetOutput());
  42       createBasicFields(grid, grid->GetNumberOfCells(), grid->GetNumberOfPoints(), false);
  43       UpdateNodeIndex(grid);
  44       UpdateCellIndex(grid);
  45     };
  46   } catch (Error err) {
  47     err.display();
  48   };
  49 };