vtkmNDHistogram.h

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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-FileCopyrightText: Copyright (c) Kitware, Inc.
// SPDX-FileCopyrightText: Copyright 2012 Sandia Corporation.
// SPDX-License-Identifier: LicenseRef-BSD-3-Clause-Sandia-USGov
#ifndef vtkmNDHistogram_h
#define vtkmNDHistogram_h

#include "vtkAcceleratorsVTKmFiltersModule.h" // required for correct export
#include "vtkArrayDataAlgorithm.h"
#include "vtkmAlgorithm.h"           // For vtkmAlgorithm
#include "vtkmlib/vtkmInitializer.h" // Need for initializing viskores

#include <string>  // for std::string
#include <utility> // for std::pair
#include <vector>  // for std::vector

#ifndef __VTK_WRAP__
#define vtkArrayDataAlgorithm vtkmAlgorithm<vtkArrayDataAlgorithm>
#endif

VTK_ABI_NAMESPACE_BEGIN
class VTKACCELERATORSVTKMFILTERS_EXPORT vtkmNDHistogram : public vtkArrayDataAlgorithm
{
public:
  vtkTypeMacro(vtkmNDHistogram, vtkArrayDataAlgorithm);
#ifndef __VTK_WRAP__
#undef vtkArrayDataAlgorithm
#endif
  void PrintSelf(ostream& os, vtkIndent indent) override;

  void AddFieldAndBin(const std::string& fieldName, const vtkIdType& numberOfBins);

  double GetBinDelta(size_t fieldIndex);
  std::pair<double, double> GetDataRange(size_t fieldIndex);

  int GetFieldIndexFromFieldName(const std::string& fieldName);

  static vtkmNDHistogram* New();

protected:
  vtkmNDHistogram();
  ~vtkmNDHistogram() override;

  int RequestData(vtkInformation*, vtkInformationVector**, vtkInformationVector*) override;
  int FillInputPortInformation(int port, vtkInformation* info) override;

private:
  vtkmNDHistogram(const vtkmNDHistogram&) = delete;
  void operator=(const vtkmNDHistogram&) = delete;
  std::vector<std::string> FieldNames;
  std::vector<vtkIdType> NumberOfBins;
  std::vector<double> BinDeltas;
  std::vector<std::pair<double, double>> DataRanges;
  vtkmInitializer Initializer;
};

VTK_ABI_NAMESPACE_END
#endif // vtkmNDHistogram_h