vtkExtractPiece.h

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/*=========================================================================
 
  Program:   Visualization Toolkit
  Module:    vtkExtractPiece.h
 
  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
  All rights reserved.
  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
 
     This software is distributed WITHOUT ANY WARRANTY; without even
     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
     PURPOSE.  See the above copyright notice for more information.
 
=========================================================================*/
#ifndef vtkExtractPiece_h
#define vtkExtractPiece_h
 
#include "vtkCompositeDataSetAlgorithm.h"
#include "vtkFiltersParallelImagingModule.h" // For export macro
 
class vtkImageData;
class vtkPolyData;
class vtkRectilinearGrid;
class vtkStructuredGrid;
class vtkUnstructuredGrid;
class vtkCompositeDataIterator;
 
class VTKFILTERSPARALLELIMAGING_EXPORT vtkExtractPiece : public vtkCompositeDataSetAlgorithm
{
public:
  static vtkExtractPiece* New();
  vtkTypeMacro(vtkExtractPiece, vtkCompositeDataSetAlgorithm);
  void PrintSelf(ostream& os, vtkIndent indent) override;
 
protected:
  vtkExtractPiece() = default;
  ~vtkExtractPiece() override = default;
 
  int RequestDataObject(vtkInformation* request, vtkInformationVector** inputVector,
    vtkInformationVector* outputVector) override;
 
  int RequestUpdateExtent(vtkInformation*, vtkInformationVector**, vtkInformationVector*) override;
  int RequestData(vtkInformation*, vtkInformationVector**, vtkInformationVector*) override;
 
  void ExtractImageData(vtkImageData* imageData, vtkCompositeDataSet* output, int piece,
    int numberOfPieces, int ghostLevel, vtkCompositeDataIterator* iter);
  void ExtractPolyData(vtkPolyData* polyData, vtkCompositeDataSet* output, int piece,
    int numberOfPieces, int ghostLevel, vtkCompositeDataIterator* iter);
  void ExtractRectilinearGrid(vtkRectilinearGrid* rGrid, vtkCompositeDataSet* output, int piece,
    int numberOfPieces, int ghostLevel, vtkCompositeDataIterator* iter);
  void ExtractStructuredGrid(vtkStructuredGrid* sGrid, vtkCompositeDataSet* output, int piece,
    int numberOfPieces, int ghostLevel, vtkCompositeDataIterator* iter);
  void ExtractUnstructuredGrid(vtkUnstructuredGrid* uGrid, vtkCompositeDataSet* output, int piece,
    int numberOfPieces, int ghostLevel, vtkCompositeDataIterator* iter);
 
private:
  vtkExtractPiece(const vtkExtractPiece&) = delete;
  void operator=(const vtkExtractPiece&) = delete;
};
 
#endif