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Graphics/vtkButterflySubdivisionFilter.h

00001 /*=========================================================================
00002 
00003   Program:   Visualization Toolkit
00004   Module:    $RCSfile: vtkButterflySubdivisionFilter.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 =========================================================================*/
00062 #ifndef __vtkButterflySubdivisionFilter_h
00063 #define __vtkButterflySubdivisionFilter_h
00064 
00065 #include "vtkInterpolatingSubdivisionFilter.h"
00066 
00067 class vtkCellArray;
00068 class vtkIdList;
00069 class vtkIntArray;
00070 
00071 class VTK_GRAPHICS_EXPORT vtkButterflySubdivisionFilter : public vtkInterpolatingSubdivisionFilter
00072 {
00073 public:
00075 
00076   static vtkButterflySubdivisionFilter *New();
00077   vtkTypeRevisionMacro(vtkButterflySubdivisionFilter,vtkInterpolatingSubdivisionFilter);
00079 
00080 protected:
00081   vtkButterflySubdivisionFilter () {};
00082   ~vtkButterflySubdivisionFilter () {};
00083 
00084 private:
00085   void GenerateSubdivisionPoints(vtkPolyData *inputDS, vtkIntArray *edgeData,
00086                                  vtkPoints *outputPts, vtkPointData *outputPD);
00087   void GenerateButterflyStencil(vtkIdType p1, vtkIdType p2, vtkPolyData *polys,
00088                                 vtkIdList *stencilIds, float *weights);
00089   void GenerateLoopStencil(vtkIdType p1, vtkIdType p2, vtkPolyData *polys,
00090                            vtkIdList *stencilIds, float *weights);
00091   void GenerateBoundaryStencil(vtkIdType p1, vtkIdType p2, vtkPolyData *polys,
00092                                vtkIdList *stencilIds, float *weights);
00093 
00094 private:
00095   vtkButterflySubdivisionFilter(const vtkButterflySubdivisionFilter&);  // Not implemented.
00096   void operator=(const vtkButterflySubdivisionFilter&);  // Not implemented.
00097 };
00098 
00099 #endif
00100 
00101