vtkFiniteDifferenceGradientEstimator.h

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/*=========================================================================
 
  Program:   Visualization Toolkit
  Module:    vtkFiniteDifferenceGradientEstimator.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 vtkFiniteDifferenceGradientEstimator_h
#define vtkFiniteDifferenceGradientEstimator_h
 
#include "vtkEncodedGradientEstimator.h"
#include "vtkRenderingVolumeModule.h" // For export macro
 
class VTKRENDERINGVOLUME_EXPORT vtkFiniteDifferenceGradientEstimator
  : public vtkEncodedGradientEstimator
{
public:
  vtkTypeMacro(vtkFiniteDifferenceGradientEstimator, vtkEncodedGradientEstimator);
  void PrintSelf(ostream& os, vtkIndent indent) override;
 
  static vtkFiniteDifferenceGradientEstimator* New();
 
 
  vtkSetMacro(SampleSpacingInVoxels, int);
  vtkGetMacro(SampleSpacingInVoxels, int);
 
  // The sample spacing between samples taken for the normal estimation
  int SampleSpacingInVoxels;
 
protected:
  vtkFiniteDifferenceGradientEstimator();
  ~vtkFiniteDifferenceGradientEstimator() override;
 
  void UpdateNormals(void) override;
 
private:
  vtkFiniteDifferenceGradientEstimator(const vtkFiniteDifferenceGradientEstimator&) = delete;
  void operator=(const vtkFiniteDifferenceGradientEstimator&) = delete;
};
 
#endif