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00001 /*=========================================================================
00002 
00003   Program:   Visualization Toolkit
00004   Module:    vtkInterpolatingSubdivisionFilter.h
00005 
00006   Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
00007   All rights reserved.
00008   See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
00009 
00010      This software is distributed WITHOUT ANY WARRANTY; without even
00011      the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
00012      PURPOSE.  See the above copyright notice for more information.
00013 
00014 =========================================================================*/
00029 #ifndef vtkInterpolatingSubdivisionFilter_h
00030 #define vtkInterpolatingSubdivisionFilter_h
00031 
00032 #include "vtkFiltersGeneralModule.h" // For export macro
00033 #include "vtkPolyDataAlgorithm.h"
00034 
00035 class vtkCellArray;
00036 class vtkCellData;
00037 class vtkIdList;
00038 class vtkIntArray;
00039 class vtkPointData;
00040 class vtkPoints;
00041 class vtkPolyData;
00042 
00043 class VTKFILTERSGENERAL_EXPORT vtkInterpolatingSubdivisionFilter : public vtkPolyDataAlgorithm
00044 {
00045 public:
00046   vtkTypeMacro(vtkInterpolatingSubdivisionFilter,vtkPolyDataAlgorithm);
00047   void PrintSelf(ostream& os, vtkIndent indent);
00048 
00050 
00051   vtkSetMacro(NumberOfSubdivisions,int);
00052   vtkGetMacro(NumberOfSubdivisions,int);
00054 
00055 protected:
00056   vtkInterpolatingSubdivisionFilter();
00057   ~vtkInterpolatingSubdivisionFilter() {}
00058 
00059   int RequestData(vtkInformation *, vtkInformationVector **, vtkInformationVector *);
00060   virtual int GenerateSubdivisionPoints (vtkPolyData *inputDS, vtkIntArray *edgeData, vtkPoints *outputPts, vtkPointData *outputPD) = 0;
00061   void GenerateSubdivisionCells (vtkPolyData *inputDS, vtkIntArray *edgeData, vtkCellArray *outputPolys, vtkCellData *outputCD);
00062   int FindEdge (vtkPolyData *mesh, vtkIdType cellId, vtkIdType p1,
00063                 vtkIdType p2, vtkIntArray *edgeData, vtkIdList *cellIds);
00064   vtkIdType InterpolatePosition (vtkPoints *inputPts, vtkPoints *outputPts,
00065                                  vtkIdList *stencil, double *weights);
00066   int NumberOfSubdivisions;
00067 
00068 private:
00069   vtkInterpolatingSubdivisionFilter(const vtkInterpolatingSubdivisionFilter&);  // Not implemented.
00070   void operator=(const vtkInterpolatingSubdivisionFilter&);  // Not implemented.
00071 };
00072 
00073 #endif
00074 
00075