vtkLoopSubdivisionFilter.h

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/*=========================================================================
 
  Program:   Visualization Toolkit
  Module:    vtkLoopSubdivisionFilter.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 vtkLoopSubdivisionFilter_h
#define vtkLoopSubdivisionFilter_h
 
#include "vtkFiltersModelingModule.h" // For export macro
#include "vtkApproximatingSubdivisionFilter.h"
 
class vtkPolyData;
class vtkIntArray;
class vtkPoints;
class vtkIdList;
 
class VTKFILTERSMODELING_EXPORT vtkLoopSubdivisionFilter : public vtkApproximatingSubdivisionFilter
{
public:
 
  static vtkLoopSubdivisionFilter *New();
  vtkTypeMacro(vtkLoopSubdivisionFilter,vtkApproximatingSubdivisionFilter);
 
protected:
  vtkLoopSubdivisionFilter () {}
  ~vtkLoopSubdivisionFilter () {}
 
  virtual int RequestData(vtkInformation *, vtkInformationVector **, vtkInformationVector *);
 
  int GenerateSubdivisionPoints (vtkPolyData *inputDS, vtkIntArray *edgeData,
                                 vtkPoints *outputPts,
                                 vtkPointData *outputPD);
  void GenerateEvenStencil (vtkIdType p1, vtkPolyData *polys,
                            vtkIdList *stencilIds, double *weights);
  void GenerateOddStencil (vtkIdType p1, vtkIdType p2, vtkPolyData *polys,
                           vtkIdList *stencilIds, double *weights);
 
  virtual int RequestUpdateExtent(vtkInformation *, vtkInformationVector **, vtkInformationVector *);
 
private:
  vtkLoopSubdivisionFilter(const vtkLoopSubdivisionFilter&);  // Not implemented.
  void operator=(const vtkLoopSubdivisionFilter&);  // Not implemented.
};
 
#endif
// VTK-HeaderTest-Exclude: vtkLoopSubdivisionFilter.h