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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
/**
* @class vtkHyperTreeGridValidCellStrategy
* @brief Define the ValidCell field used in vtkHyperTreeGridGenerateFields
*
* This is a class used by vtkHyperTreeGridGenerateFields to add and compute the ValidCell
* field.
*
* This field has a value of 1 for leaf (non-refined) cells
* that are neither masked nor ghost, and 0 otherwise.
*/
#ifndef vtkHyperTreeGridValidCellStrategy_h
#define vtkHyperTreeGridValidCellStrategy_h
#include "vtkFiltersHyperTreeModule.h" // For export macro
#include "vtkHyperTreeGridGenerateFieldStrategy.h"
#include "vtkNew.h"
VTK_ABI_NAMESPACE_BEGIN
class vtkBitArray;
class vtkUnsignedCharArray;
class VTKFILTERSHYPERTREE_EXPORT vtkHyperTreeGridValidCellStrategy
: public vtkHyperTreeGridGenerateFieldStrategy
{
public:
static vtkHyperTreeGridValidCellStrategy* New();
vtkTypeMacro(vtkHyperTreeGridValidCellStrategy, 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 validity of the current cell.
* A cell is valid if it is a leaf (non-refined) cell that is neither masked nor ghost.
*/
void Compute(vtkHyperTreeGridNonOrientedGeometryCursor* cursor) override;
/**
* Return a vtkBitArray containing the validity of each cell.
*/
vtkDataArray* GetAndFinalizeArray() override;
private:
vtkHyperTreeGridValidCellStrategy();
~vtkHyperTreeGridValidCellStrategy() override;
// Input data
vtkUnsignedCharArray* InputGhost = nullptr;
// Output array
vtkNew<vtkBitArray> ValidCellsArray;
};
VTK_ABI_NAMESPACE_END
#endif // vtkHyperTreeGridValidCellStrategy_h
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