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dox/Graphics/vtkApproximatingSubdivisionFilter.h

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00001 /*=========================================================================
00002 
00003   Program:   Visualization Toolkit
00004   Module:    $RCSfile: vtkApproximatingSubdivisionFilter.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 =========================================================================*/
00030 #ifndef __vtkApproximatingSubdivisionFilter_h
00031 #define __vtkApproximatingSubdivisionFilter_h
00032 
00033 #include "vtkPolyDataToPolyDataFilter.h"
00034 
00035 class vtkCellArray;
00036 class vtkCellData;
00037 class vtkIdList;
00038 class vtkIntArray;
00039 class vtkPoints;
00040 class vtkPointData;
00041 
00042 class VTK_GRAPHICS_EXPORT vtkApproximatingSubdivisionFilter : public vtkPolyDataToPolyDataFilter
00043 {
00044 public:
00045   vtkTypeRevisionMacro(vtkApproximatingSubdivisionFilter,vtkPolyDataToPolyDataFilter);
00046   void PrintSelf(ostream& os, vtkIndent indent);
00047 
00049 
00050   vtkSetMacro(NumberOfSubdivisions,int);
00051   vtkGetMacro(NumberOfSubdivisions,int);
00053 
00054 protected:
00055   vtkApproximatingSubdivisionFilter();
00056   ~vtkApproximatingSubdivisionFilter() {};
00057 
00058   void Execute();
00059   virtual void GenerateSubdivisionPoints (vtkPolyData *inputDS,
00060                                           vtkIntArray *edgeData,
00061                                           vtkPoints *outputPts,
00062                                           vtkPointData *outputPD) = 0;
00063   void GenerateSubdivisionCells (vtkPolyData *inputDS, vtkIntArray *edgeData,
00064                                  vtkCellArray *outputPolys,
00065                                  vtkCellData *outputCD);
00066   int FindEdge (vtkPolyData *mesh, vtkIdType cellId, vtkIdType p1,
00067                 vtkIdType p2, vtkIntArray *edgeData, vtkIdList *cellIds);
00068   vtkIdType InterpolatePosition (vtkPoints *inputPts, vtkPoints *outputPts,
00069                                  vtkIdList *stencil, float *weights);
00070   int NumberOfSubdivisions;
00071 private:
00072   vtkApproximatingSubdivisionFilter(const vtkApproximatingSubdivisionFilter&);  // Not implemented.
00073   void operator=(const vtkApproximatingSubdivisionFilter&);  // Not implemented.
00074 };
00075 
00076 #endif
00077 
00078