polydatareader.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 "polydatareader.h"
  24 #include "vtkEgPolyDataToUnstructuredGridFilter.h"
  25
  26 #include <vtkXMLPolyDataReader.h>
  27
  28 PolyDataReader::PolyDataReader()
  29 {
  30   setFormat("VTK poly data files(*.vtp)");
  31   setExtension(".vtp");
  32 };
  33
  34 void PolyDataReader::operate()
  35 {
  36   try {
  37     readInputFileName();
  38     if (isValid()) {
  39       EG_VTKSP(vtkXMLPolyDataReader,vtp);
  40       EG_VTKSP(vtkEgPolyDataToUnstructuredGridFilter,pd2ug);
  41       vtp->SetFileName(getFileName().toAscii().data());
  42       pd2ug->SetInput(vtp->GetOutput());
  43       pd2ug->Update();
  44       grid->DeepCopy(pd2ug->GetOutput());
  45       createBasicFields(grid, grid->GetNumberOfCells(), grid->GetNumberOfPoints(), false);
  46       UpdateNodeIndex(grid);
  47       UpdateCellIndex(grid);
  48       EG_VTKDCC(vtkIntArray, bc, grid, "cell_code");
  49       for (vtkIdType id_cell = 0; id_cell < grid->GetNumberOfPoints(); ++id_cell) {
  50         bc->SetValue(id_cell,99);
  51       };
  52     };
  53   } catch (Error err) {
  54     err.display();
  55   };
  56 };