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salome-gui  6.5.0
VTKViewer_ExtractUnstructuredGrid.h
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00001 // Copyright (C) 2007-2012  CEA/DEN, EDF R&D, OPEN CASCADE
00002 //
00003 // Copyright (C) 2003-2007  OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
00004 // CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
00005 //
00006 // This library is free software; you can redistribute it and/or
00007 // modify it under the terms of the GNU Lesser General Public
00008 // License as published by the Free Software Foundation; either
00009 // version 2.1 of the License.
00010 //
00011 // This library is distributed in the hope that it will be useful,
00012 // but WITHOUT ANY WARRANTY; without even the implied warranty of
00013 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00014 // Lesser General Public License for more details.
00015 //
00016 // You should have received a copy of the GNU Lesser General Public
00017 // License along with this library; if not, write to the Free Software
00018 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
00019 //
00020 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
00021 //
00022 
00023 #ifndef VTKVIEWER_EXTRACTUNSTRUCTUREDGRID_H
00024 #define VTKVIEWER_EXTRACTUNSTRUCTUREDGRID_H
00025 
00026 #include "VTKViewer.h"
00027 
00028 #include <vtkUnstructuredGridToUnstructuredGridFilter.h>
00029 
00030 #include <set>
00031 #include <map>
00032 #include <vector>
00033 
00034 #ifdef WIN32
00035 #pragma warning ( disable:4251 )
00036 #endif
00037 
00044 class VTKVIEWER_EXPORT VTKViewer_ExtractUnstructuredGrid : public vtkUnstructuredGridToUnstructuredGridFilter
00045 {
00046 public:
00048   vtkTypeMacro( VTKViewer_ExtractUnstructuredGrid, vtkUnstructuredGridToUnstructuredGridFilter );
00049 
00051   static VTKViewer_ExtractUnstructuredGrid *New();
00052 
00053   enum EExtraction{ eCells, ePoints};
00055   void SetModeOfExtraction(EExtraction theExtractionMode){
00056     myExtractionMode = theExtractionMode; Modified();
00057   }
00059   EExtraction GetModeOfExtraction(){ return myExtractionMode;}
00060 
00061   enum EChanging{ ePassAll, eAdding, eRemoving};
00063   void SetModeOfChanging(EChanging theChangeMode){
00064     myChangeMode = theChangeMode; 
00065     Modified();
00066   }
00068   EChanging GetModeOfChanging(){ return myChangeMode;}
00069 
00071   void RegisterCell(vtkIdType theCellId);
00073   int IsCellsRegistered() { return !myCellIds.empty();}
00075   void ClearRegisteredCells() { 
00076     myCellIds.clear();
00077     Modified();
00078   }
00079   
00081   void RegisterCellsWithType(vtkIdType theCellType);
00083   int IsCellsWithTypeRegistered() { return !myCellTypes.empty();}
00085   void ClearRegisteredCellsWithType() { 
00086     myCellTypes.clear();
00087     Modified();
00088   }
00089 
00091   int IsChanging() { return IsCellsRegistered() || IsCellsWithTypeRegistered();}
00092 
00094   void SetStoreMapping(int theStoreMapping);
00096   int GetStoreMapping(){ return myStoreMapping;}
00097 
00099   vtkIdType GetInputId(int theOutId) const;
00101   vtkIdType GetOutputId(int theInId) const;
00102 
00103   typedef std::vector<vtkIdType> TVectorId;
00104   typedef std::map<vtkIdType,vtkIdType> TMapId;
00105 
00106 protected:
00107   VTKViewer_ExtractUnstructuredGrid();
00108   ~VTKViewer_ExtractUnstructuredGrid();
00109 
00111   // not ported yet to the new executive-based pipeline architecture.
00112   // see http://www.vtk.org/cgi-bin/viewcvs.cgi/Filtering/vtkUnstructuredGridToUnstructuredGridFilter.h?rev=1.19&view=log
00113   // virtual int RequestData(vtkInformation *, vtkInformationVector **, vtkInformationVector *);
00114   virtual void Execute();
00115 
00116   EExtraction myExtractionMode;
00117   
00118   EChanging myChangeMode;
00119   typedef std::set<vtkIdType> TSetId;
00120   TSetId myCellIds;
00121   TSetId myCellTypes;
00122 
00123   bool myStoreMapping;
00124   TVectorId myOut2InId;
00125   TMapId myIn2OutId;
00126 
00127 private:
00129   VTKViewer_ExtractUnstructuredGrid(const VTKViewer_ExtractUnstructuredGrid&);
00131   void operator=(const VTKViewer_ExtractUnstructuredGrid&);
00132 };
00133 
00134 #ifdef WIN32
00135 #pragma warning ( default:4251 )
00136 #endif
00137 
00138 #endif