vtkFiniteDifferenceGradientEstimator.h

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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
 
#ifndef vtkFiniteDifferenceGradientEstimator_h
#define vtkFiniteDifferenceGradientEstimator_h
 
#include "vtkEncodedGradientEstimator.h"
#include "vtkRenderingVolumeModule.h" // For export macro
 
VTK_ABI_NAMESPACE_BEGIN
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() override;
 
private:
  vtkFiniteDifferenceGradientEstimator(const vtkFiniteDifferenceGradientEstimator&) = delete;
  void operator=(const vtkFiniteDifferenceGradientEstimator&) = delete;
};
 
VTK_ABI_NAMESPACE_END
#endif