vtkSurfaceVectors.h

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// SPDX-FileCopyrightText: Copyright (c) Kitware Inc.
// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
#ifndef vtkSurfaceVectors_h
#define vtkSurfaceVectors_h

#include "vtkDataSetAlgorithm.h"
#include "vtkPVVTKExtensionsFiltersGeneralModule.h" //needed for exports

class vtkFloatArray;
class vtkIdList;

class VTKPVVTKEXTENSIONSFILTERSGENERAL_EXPORT vtkSurfaceVectors : public vtkDataSetAlgorithm
{
public:
  vtkTypeMacro(vtkSurfaceVectors, vtkDataSetAlgorithm);
  void PrintSelf(ostream& os, vtkIndent indent) override;
  static vtkSurfaceVectors* New();

  enum ConstraintMode
  {
    Parallel = 0,
    Perpendicular,
    PerpendicularScale
  };


  vtkSetMacro(ConstraintMode, int);
  vtkGetMacro(ConstraintMode, int);
  void SetConstraintModeToParallel() { this->SetConstraintMode(vtkSurfaceVectors::Parallel); }
  void SetConstraintModeToPerpendicular()
  {
    this->SetConstraintMode(vtkSurfaceVectors::Perpendicular);
  }
  void SetConstraintModeToPerpendicularScale()
  {
    this->SetConstraintMode(vtkSurfaceVectors::PerpendicularScale);
  }

protected:
  vtkSurfaceVectors();
  ~vtkSurfaceVectors() override;

  // Usual data generation method
  int RequestData(vtkInformation*, vtkInformationVector**, vtkInformationVector*) override;
  int RequestUpdateExtent(vtkInformation*, vtkInformationVector**, vtkInformationVector*) override;

  int ConstraintMode;

private:
  vtkSurfaceVectors(const vtkSurfaceVectors&) = delete;
  void operator=(const vtkSurfaceVectors&) = delete;
};

#endif