vtkPVGradientFilter.h

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// SPDX-FileCopyrightText: Copyright (c) Kitware Inc.
// SPDX-License-Identifier: BSD-3-Clause
#ifndef vtkPVGradientFilter_h
#define vtkPVGradientFilter_h
 
#include "vtkGradientFilter.h"
#include "vtkHyperTreeGridGradient.h"               // for the HTG::ComputeMode enum
#include "vtkPVVTKExtensionsFiltersGeneralModule.h" //needed for exports
 
class VTKPVVTKEXTENSIONSFILTERSGENERAL_EXPORT vtkPVGradientFilter : public vtkGradientFilter
{
public:
  static vtkPVGradientFilter* New();
  vtkTypeMacro(vtkPVGradientFilter, vtkGradientFilter);
  void PrintSelf(ostream& os, vtkIndent indent) override;
 
  enum BoundaryMethod
  {
    SMOOTHED = 0,
    NON_SMOOTHED,
  };
 
 
  vtkSetClampMacro(Dimensionality, int, 2, 3);
  vtkGetMacro(Dimensionality, int);
 
 
  vtkSetClampMacro(BoundaryMethod, int, SMOOTHED, NON_SMOOTHED);
  vtkGetMacro(BoundaryMethod, int);
 
 
  vtkSetClampMacro(
    HTGMode, int, vtkHyperTreeGridGradient::UNLIMITED, vtkHyperTreeGridGradient::UNSTRUCTURED);
  vtkGetMacro(HTGMode, int);
 
 
  vtkSetMacro(HTGExtensiveComputation, bool);
  vtkGetMacro(HTGExtensiveComputation, bool);
  vtkBooleanMacro(HTGExtensiveComputation, bool);
 
protected:
  vtkPVGradientFilter() = default;
  ~vtkPVGradientFilter() override = default;
 
  int Dimensionality = 3;
  int BoundaryMethod = NON_SMOOTHED;
 
  int HTGMode = vtkHyperTreeGridGradient::UNLIMITED;
 
  bool HTGExtensiveComputation = false;
 
  int FillInputPortInformation(int port, vtkInformation* info) override;
  int FillOutputPortInformation(int port, vtkInformation* info) override;
  int RequestDataObject(vtkInformation* request, vtkInformationVector** inputVector,
    vtkInformationVector* outputVector) override;
  int RequestData(vtkInformation*, vtkInformationVector**, vtkInformationVector*) override;
 
private:
  vtkPVGradientFilter(const vtkPVGradientFilter&) = delete;
  void operator=(const vtkPVGradientFilter&) = delete;
};
 
#endif