vtkHyperTreeGridTotalVisibleVolumeStrategy.h

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

#include "vtkFiltersHyperTreeModule.h" // For export macro
#include "vtkHyperTreeGridGenerateFieldStrategy.h"
#include "vtkNew.h"

VTK_ABI_NAMESPACE_BEGIN

class vtkCellData;
class vtkDataArray;
class vtkDoubleArray;
class vtkHyperTreeGrid;
class vtkHyperTreeGridNonOrientedGeometryCursor;

class VTKFILTERSHYPERTREE_EXPORT vtkHyperTreeGridTotalVisibleVolumeStrategy
  : public vtkHyperTreeGridGenerateFieldStrategy
{
public:
  static vtkHyperTreeGridTotalVisibleVolumeStrategy* New();
  vtkTypeMacro(vtkHyperTreeGridTotalVisibleVolumeStrategy, vtkHyperTreeGridGenerateFieldStrategy);
  void PrintSelf(ostream& os, vtkIndent indent) override;

  using vtkHyperTreeGridGenerateFieldStrategy::Initialize;
  bool Initialize(std::unordered_map<std::string, Field> fieldMap) override;

  using vtkHyperTreeGridGenerateFieldStrategy::Compute;
  void Compute(vtkHyperTreeGridNonOrientedGeometryCursor* cursor, vtkCellData* cellData,
    std::unordered_map<std::string, Field> fieldMap) override;

  vtkDataArray* GetAndFinalizeArray() override;

private:
  vtkHyperTreeGridTotalVisibleVolumeStrategy();
  ~vtkHyperTreeGridTotalVisibleVolumeStrategy() override;

  // Aggregated volume
  double TotalVisibleVolume = 0;

  // Output array
  vtkNew<vtkDoubleArray> TotalVisibleVolumeArray;
};

VTK_ABI_NAMESPACE_END
#endif // vtkHyperTreeGridTotalVisibleVolumeStrategy_h