vtkThresholdScalars.h

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

#include "vtkDataSetAlgorithm.h"
#include "vtkFiltersCoreModule.h" // For export macro

VTK_ABI_NAMESPACE_BEGIN
class vtkIntervalSet; // Support PIMPLd set of intervals

class VTKFILTERSCORE_EXPORT vtkThresholdScalars : public vtkDataSetAlgorithm
{
public:

  vtkTypeMacro(vtkThresholdScalars, vtkDataSetAlgorithm);
  void PrintSelf(ostream& os, vtkIndent indent) override;
  static vtkThresholdScalars* New();


  vtkIdType AddInterval(double s0, double s1, int labelId);
  void RemoveInterval(vtkIdType intervalId);
  void RemoveAllIntervals();


  vtkSetMacro(BackgroundLabel, int);
  vtkGetMacro(BackgroundLabel, int);

protected:
  vtkThresholdScalars();
  ~vtkThresholdScalars() override;

  // PIMPLd set of intervals
  vtkIntervalSet* Intervals;

  // Scalars that don't fall in any interval are assigned
  // the background label.
  int BackgroundLabel;

  int RequestData(vtkInformation*, vtkInformationVector**, vtkInformationVector*) override;

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

VTK_ABI_NAMESPACE_END
#endif