src/CONVERTOR/VISU_ExtractUnstructuredGrid.hxx

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//  VISU CONVERTOR :
//
//  Copyright (C) 2003  OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
//  CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS 
// 
//  This library is free software; you can redistribute it and/or 
//  modify it under the terms of the GNU Lesser General Public 
//  License as published by the Free Software Foundation; either 
//  version 2.1 of the License. 
// 
//  This library is distributed in the hope that it will be useful, 
//  but WITHOUT ANY WARRANTY; without even the implied warranty of 
//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU 
//  Lesser General Public License for more details. 
// 
//  You should have received a copy of the GNU Lesser General Public 
//  License along with this library; if not, write to the Free Software 
//  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA 
// 
// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
//
//
//  File   : VISU_ExtractUnstructuredGrid.hxx
//  Author : Alexey PETROV
//  Module : VISU

#ifndef VISU_ExtractUnstructuredGrid_HeaderFile
#define VISU_ExtractUnstructuredGrid_HeaderFile

#include <vtkUnstructuredGridToUnstructuredGridFilter.h>

#include <set>

class VISU_ExtractUnstructuredGrid : public vtkUnstructuredGridToUnstructuredGridFilter{
public:
  vtkTypeMacro(VISU_ExtractUnstructuredGrid,vtkUnstructuredGridToUnstructuredGridFilter);

  // Description:
  // Construct with all types of clipping turned off.
  static VISU_ExtractUnstructuredGrid *New();

  // Description:
  // Remove the cell from the output
  void RemoveCell(vtkIdType theCellId);
  int IsRemoveCells() { return !myRemovedCellIds.empty();}

  // Remove every cells with the type from the output
  void RemoveCellsWithType(vtkIdType theCellType);
  int IsRemoveCellsWithType() { return !myRemovedCellTypes.empty();}

  // Do the filter do some real work
  int IsRemoving() { return IsRemoveCells() || IsRemoveCellsWithType();}

protected:
  VISU_ExtractUnstructuredGrid();
  ~VISU_ExtractUnstructuredGrid();

  void Execute();
  
  std::set<vtkIdType> myRemovedCellIds;
  std::set<vtkIdType> myRemovedCellTypes;

private:
  VISU_ExtractUnstructuredGrid(const VISU_ExtractUnstructuredGrid&);  // Not implemented.
  void operator=(const VISU_ExtractUnstructuredGrid&);  // Not implemented.
};

#endif

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