vtkExtractPolyDataPiece.h

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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
 
#ifndef vtkExtractPolyDataPiece_h
#define vtkExtractPolyDataPiece_h
 
#include "vtkFiltersParallelModule.h" // For export macro
#include "vtkPolyDataAlgorithm.h"
 
VTK_ABI_NAMESPACE_BEGIN
class vtkIdList;
class vtkIntArray;
 
class VTKFILTERSPARALLEL_EXPORT vtkExtractPolyDataPiece : public vtkPolyDataAlgorithm
{
public:
  static vtkExtractPolyDataPiece* New();
  vtkTypeMacro(vtkExtractPolyDataPiece, vtkPolyDataAlgorithm);
  void PrintSelf(ostream& os, vtkIndent indent) override;


  vtkSetMacro(CreateGhostCells, vtkTypeBool);
  vtkGetMacro(CreateGhostCells, vtkTypeBool);
  vtkBooleanMacro(CreateGhostCells, vtkTypeBool);
 
protected:
  vtkExtractPolyDataPiece();
  ~vtkExtractPolyDataPiece() override = default;
 
  // Usual data generation method
  int RequestData(vtkInformation*, vtkInformationVector**, vtkInformationVector*) override;
  int RequestUpdateExtent(vtkInformation*, vtkInformationVector**, vtkInformationVector*) override;
 
  // A method for labeling which piece the cells belong to.
  void ComputeCellTags(
    vtkIntArray* cellTags, vtkIdList* pointOwnership, int piece, int numPieces, vtkPolyData* input);
 
  void AddGhostLevel(vtkPolyData* input, vtkIntArray* cellTags, int ghostLevel);
 
  vtkTypeBool CreateGhostCells;
 
private:
  vtkExtractPolyDataPiece(const vtkExtractPolyDataPiece&) = delete;
  void operator=(const vtkExtractPolyDataPiece&) = delete;
};
 
VTK_ABI_NAMESPACE_END
#endif