vtkmHistogramSampling.h

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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
#ifndef vtkmHistogramSampling_h
#define vtkmHistogramSampling_h
 
#include "vtkAcceleratorsVTKmFiltersModule.h" //required for correct implementation
#include "vtkDataSetAlgorithm.h"
#include "vtkmAlgorithm.h"           // For vtkmAlgorithm
#include "vtkmlib/vtkmInitializer.h" // Need for initializing viskores
 
#ifndef __VTK_WRAP__
#define vtkDataSetAlgorithm vtkmAlgorithm<vtkDataSetAlgorithm>
#endif
 
VTK_ABI_NAMESPACE_BEGIN
class VTKACCELERATORSVTKMFILTERS_EXPORT vtkmHistogramSampling : public vtkDataSetAlgorithm
{
public:
  vtkTypeMacro(vtkmHistogramSampling, vtkDataSetAlgorithm);
#ifndef __VTK_WRAP__
#undef vtkDataSetAlgorithm
#endif
  void PrintSelf(ostream& os, vtkIndent indent) override;
  static vtkmHistogramSampling* New();
 
 
  vtkSetMacro(SampleFraction, double);
  vtkGetMacro(SampleFraction, double);
 
 
  vtkSetMacro(NumberOfBins, vtkIdType);
  vtkGetMacro(NumberOfBins, vtkIdType);
 
protected:
  vtkmHistogramSampling();
  ~vtkmHistogramSampling() override = default;
  int RequestDataObject(vtkInformation* request, vtkInformationVector** inputVector,
    vtkInformationVector* outputVector) override;
  int RequestData(vtkInformation*, vtkInformationVector**, vtkInformationVector*) override;
 
private:
  vtkmHistogramSampling(const vtkmHistogramSampling&) = delete;
  void operator=(const vtkmHistogramSampling&) = delete;
  vtkmInitializer Initializer;
 
  double SampleFraction = 0.1;
  vtkIdType NumberOfBins = 10;
};
 
VTK_ABI_NAMESPACE_END
#endif // vtkmHistogramSampling_h