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Parallel/vtkExtractUnstructuredGridPiece.h

00001 /*=========================================================================
00002 
00003   Program:   Visualization Toolkit
00004   Module:    $RCSfile: vtkExtractUnstructuredGridPiece.h,v $
00005   Language:  C++
00006 
00007   Copyright (c) 1993-2002 Ken Martin, Will Schroeder, Bill Lorensen 
00008   All rights reserved.
00009   See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
00010 
00011      This software is distributed WITHOUT ANY WARRANTY; without even 
00012      the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR 
00013      PURPOSE.  See the above copyright notice for more information.
00014 
00015 =========================================================================*/
00037 #ifndef __vtkExtractUnstructuredGridPiece_h
00038 #define __vtkExtractUnstructuredGridPiece_h
00039 
00040 #include "vtkUnstructuredGridToUnstructuredGridFilter.h"
00041 
00042 class vtkIdList;
00043 class vtkIntArray;
00044 
00045 class VTK_PARALLEL_EXPORT vtkExtractUnstructuredGridPiece : public vtkUnstructuredGridToUnstructuredGridFilter
00046 {
00047 public:
00048   static vtkExtractUnstructuredGridPiece *New();
00049   vtkTypeRevisionMacro(vtkExtractUnstructuredGridPiece, vtkUnstructuredGridToUnstructuredGridFilter);
00050   void PrintSelf(ostream& os, vtkIndent indent);
00051   
00053 
00054   vtkSetMacro(CreateGhostCells, int);
00055   vtkGetMacro(CreateGhostCells, int);
00056   vtkBooleanMacro(CreateGhostCells, int);
00058   
00059 protected:
00060   vtkExtractUnstructuredGridPiece();
00061   ~vtkExtractUnstructuredGridPiece() {};
00062 
00063   // Usual data generation method
00064   void Execute();
00065   void ExecuteInformation();
00066   void ComputeInputUpdateExtents(vtkDataObject *out);
00067  
00068   // A method for labeling which piece the cells belong to.
00069   void ComputeCellTags(vtkIntArray *cellTags, vtkIdList *pointOwnership,
00070                        int piece, int numPieces);
00071   
00072   void AddGhostLevel(vtkUnstructuredGrid *input, vtkIntArray *cellTags, int ghostLevel);
00073   
00074   int CreateGhostCells;
00075 private:
00076   vtkExtractUnstructuredGridPiece(const vtkExtractUnstructuredGridPiece&);  // Not implemented.
00077   void operator=(const vtkExtractUnstructuredGridPiece&);  // Not implemented.
00078 };
00079 
00080 #endif