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Graphics/vtkButterflySubdivisionFilter.h

00001 /*=========================================================================
00002 
00003   Program:   Visualization Toolkit
00004   Module:    $RCSfile: vtkButterflySubdivisionFilter.h,v $
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 =========================================================================*/
00047 #ifndef __vtkButterflySubdivisionFilter_h
00048 #define __vtkButterflySubdivisionFilter_h
00049 
00050 #include "vtkInterpolatingSubdivisionFilter.h"
00051 
00052 class vtkCellArray;
00053 class vtkIdList;
00054 class vtkIntArray;
00055 
00056 class VTK_GRAPHICS_EXPORT vtkButterflySubdivisionFilter : public vtkInterpolatingSubdivisionFilter
00057 {
00058 public:
00060 
00061   static vtkButterflySubdivisionFilter *New();
00062   vtkTypeRevisionMacro(vtkButterflySubdivisionFilter,vtkInterpolatingSubdivisionFilter);
00064 
00065 protected:
00066   vtkButterflySubdivisionFilter () {};
00067   ~vtkButterflySubdivisionFilter () {};
00068 
00069 private:
00070   void GenerateSubdivisionPoints(vtkPolyData *inputDS, vtkIntArray *edgeData,
00071                                  vtkPoints *outputPts, vtkPointData *outputPD);
00072   void GenerateButterflyStencil(vtkIdType p1, vtkIdType p2, vtkPolyData *polys,
00073                                 vtkIdList *stencilIds, double *weights);
00074   void GenerateLoopStencil(vtkIdType p1, vtkIdType p2, vtkPolyData *polys,
00075                            vtkIdList *stencilIds, double *weights);
00076   void GenerateBoundaryStencil(vtkIdType p1, vtkIdType p2, vtkPolyData *polys,
00077                                vtkIdList *stencilIds, double *weights);
00078 
00079 private:
00080   vtkButterflySubdivisionFilter(const vtkButterflySubdivisionFilter&);  // Not implemented.
00081   void operator=(const vtkButterflySubdivisionFilter&);  // Not implemented.
00082 };
00083 
00084 #endif
00085 
00086