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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
/**
* @class vtkHyperTreeGridCellCenterStrategy
* @brief Define the CellCenter field used in vtkHyperTreeGridGenerateFields
*
* This is a class used by vtkHyperTreeGridGenerateFields to add and compute the CellCenter
* field.
*/
#ifndef vtkHyperTreeGridCellCenterStrategy_h
#define vtkHyperTreeGridCellCenterStrategy_h
#include "vtkFiltersHyperTreeModule.h" // For export macro
#include "vtkHyperTreeGridGenerateFieldStrategy.h"
#include "vtkNew.h"
VTK_ABI_NAMESPACE_BEGIN
class vtkBitArray;
class vtkDoubleArray;
class vtkUnsignedCharArray;
class VTKFILTERSHYPERTREE_EXPORT vtkHyperTreeGridCellCenterStrategy
: public vtkHyperTreeGridGenerateFieldStrategy
{
public:
static vtkHyperTreeGridCellCenterStrategy* New();
vtkTypeMacro(vtkHyperTreeGridCellCenterStrategy, vtkHyperTreeGridGenerateFieldStrategy);
void PrintSelf(ostream& os, vtkIndent indent) override;
using vtkHyperTreeGridGenerateFieldStrategy::Initialize;
/**
* Init internal variables from `inputHTG`.
*/
void Initialize(vtkHyperTreeGrid* inputHTG) override;
using vtkHyperTreeGridGenerateFieldStrategy::Compute;
/**
* Compute the center of the cell
*/
void Compute(vtkHyperTreeGridNonOrientedGeometryCursor* cursor) override;
/**
* Return a vtkDoubleArray containing the center of each cell.
*/
vtkDataArray* GetAndFinalizeArray() override;
private:
vtkHyperTreeGridCellCenterStrategy();
~vtkHyperTreeGridCellCenterStrategy() override;
// Input data
vtkUnsignedCharArray* InputGhost = nullptr;
// Output array
vtkNew<vtkDoubleArray> CellCentersArray;
};
VTK_ABI_NAMESPACE_END
#endif // vtkHyperTreeGridCellCenterStrategy_h
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