vtkButterflySubdivisionFilter.h

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/*=========================================================================
 
  Program:   Visualization Toolkit
  Module:    vtkButterflySubdivisionFilter.h
 
  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
  All rights reserved.
  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
 
     This software is distributed WITHOUT ANY WARRANTY; without even
     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
     PURPOSE.  See the above copyright notice for more information.
 
=========================================================================*/
#ifndef vtkButterflySubdivisionFilter_h
#define vtkButterflySubdivisionFilter_h
 
#include "vtkFiltersModelingModule.h" // For export macro
#include "vtkInterpolatingSubdivisionFilter.h"
 
class vtkCellArray;
class vtkIdList;
class vtkIntArray;
 
class VTKFILTERSMODELING_EXPORT vtkButterflySubdivisionFilter : public vtkInterpolatingSubdivisionFilter
{
public:
 
  static vtkButterflySubdivisionFilter *New();
  vtkTypeMacro(vtkButterflySubdivisionFilter,vtkInterpolatingSubdivisionFilter);
 
protected:
  vtkButterflySubdivisionFilter () {}
  ~vtkButterflySubdivisionFilter () {}
 
private:
  int GenerateSubdivisionPoints(vtkPolyData *inputDS, vtkIntArray *edgeData,
                                vtkPoints *outputPts, vtkPointData *outputPD);
  void GenerateButterflyStencil(vtkIdType p1, vtkIdType p2, vtkPolyData *polys,
                                vtkIdList *stencilIds, double *weights);
  void GenerateLoopStencil(vtkIdType p1, vtkIdType p2, vtkPolyData *polys,
                           vtkIdList *stencilIds, double *weights);
  void GenerateBoundaryStencil(vtkIdType p1, vtkIdType p2, vtkPolyData *polys,
                               vtkIdList *stencilIds, double *weights);
 
private:
  vtkButterflySubdivisionFilter(const vtkButterflySubdivisionFilter&);  // Not implemented.
  void operator=(const vtkButterflySubdivisionFilter&);  // Not implemented.
};
 
#endif
 
 
// VTK-HeaderTest-Exclude: vtkButterflySubdivisionFilter.h