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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
/**
* @class vtkHyperTreeGridToDualGrid
* @brief Convert hyper tree grid to the dual unstructured grid.
*
* This filter is the new home for what was the dataset API within the
* vtkHyperTreeGrid class.
*/
#ifndef vtkHyperTreeGridToDualGrid_h
#define vtkHyperTreeGridToDualGrid_h
#include "vtkFiltersHyperTreeModule.h" // For export macro
#include "vtkHyperTreeGridAlgorithm.h"
#include <map> // std::map
VTK_ABI_NAMESPACE_BEGIN
class vtkHyperTreeGrid;
class vtkHyperTreeGridNonOrientedMooreSuperCursor;
class vtkIdTypeArray;
class vtkUnstructuredGrid;
class vtkPoints;
class VTKFILTERSHYPERTREE_EXPORT vtkHyperTreeGridToDualGrid : public vtkHyperTreeGridAlgorithm
{
public:
static vtkHyperTreeGridToDualGrid* New();
vtkTypeMacro(vtkHyperTreeGridToDualGrid, vtkHyperTreeGridAlgorithm);
void PrintSelf(ostream& os, vtkIndent indent) override;
protected:
vtkHyperTreeGridToDualGrid();
~vtkHyperTreeGridToDualGrid() override;
/**
* For this algorithm the output is a vtkUnstructuredGrid instance
*/
int FillOutputPortInformation(int, vtkInformation*) override;
/**
* Main routine to convert the grid of tree into an unstructured grid
*/
int ProcessTrees(vtkHyperTreeGrid*, vtkDataObject*) override;
private:
vtkHyperTreeGridToDualGrid(const vtkHyperTreeGridToDualGrid&) = delete;
void operator=(const vtkHyperTreeGridToDualGrid&) = delete;
void TraverseDualRecursively(
vtkHyperTreeGridNonOrientedMooreSuperCursor* cursor, vtkHyperTreeGrid* in);
void GenerateDualCornerFromLeaf1D(
vtkHyperTreeGridNonOrientedMooreSuperCursor* cursor, vtkHyperTreeGrid* in);
void GenerateDualCornerFromLeaf2D(
vtkHyperTreeGridNonOrientedMooreSuperCursor* cursor, vtkHyperTreeGrid* in);
void GenerateDualCornerFromLeaf3D(
vtkHyperTreeGridNonOrientedMooreSuperCursor* cursor, vtkHyperTreeGrid* in);
void TraverseDualRecursively(
vtkHyperTreeGridNonOrientedMooreSuperCursor* cursor, vtkBitArray* mask, vtkHyperTreeGrid* in);
void ShiftDualCornerFromMaskedLeaf2D(
vtkHyperTreeGridNonOrientedMooreSuperCursor* cursor, vtkBitArray* mask, vtkHyperTreeGrid* in);
void ShiftDualCornerFromMaskedLeaf3D(
vtkHyperTreeGridNonOrientedMooreSuperCursor* cursor, vtkBitArray* mask, vtkHyperTreeGrid* in);
void GenerateDualCornerFromLeaf2D(
vtkHyperTreeGridNonOrientedMooreSuperCursor* cursor, vtkBitArray* mask, vtkHyperTreeGrid* in);
void GenerateDualCornerFromLeaf3D(
vtkHyperTreeGridNonOrientedMooreSuperCursor* cursor, vtkBitArray* mask, vtkHyperTreeGrid* in);
vtkPoints* Points;
vtkIdTypeArray* Connectivity;
std::map<vtkIdType, bool> PointShifted;
std::map<vtkIdType, double> PointShifts[3];
std::map<vtkIdType, double> ReductionFactors;
};
VTK_ABI_NAMESPACE_END
#endif /* vtkHyperTreeGridToDualGrid_h */
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