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/*=========================================================================
Program: Visualization Toolkit
Module: vtkPieceRequestFilter.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.
=========================================================================*/
/**
* @class vtkPieceRequestFilter
* @brief Sets the piece request for upstream filters.
*
* Sends the piece and number of pieces to upstream filters; passes the input
* to the output unmodified.
*/
#ifndef vtkPieceRequestFilter_h
#define vtkPieceRequestFilter_h
#include "vtkFiltersParallelModule.h" // For export macro
#include "vtkAlgorithm.h"
class vtkDataObject;
class VTKFILTERSPARALLEL_EXPORT vtkPieceRequestFilter : public vtkAlgorithm
{
public:
static vtkPieceRequestFilter *New();
vtkTypeMacro(vtkPieceRequestFilter,vtkAlgorithm);
void PrintSelf(ostream& os, vtkIndent indent);
//@{
/**
* The total number of pieces.
*/
vtkSetClampMacro(NumberOfPieces, int, 0, VTK_INT_MAX);
vtkGetMacro(NumberOfPieces, int);
//@}
//@{
/**
* The piece to extract.
*/
vtkSetClampMacro(Piece, int, 0, VTK_INT_MAX);
vtkGetMacro(Piece, int);
//@}
//@{
/**
* Get the output data object for a port on this algorithm.
*/
vtkDataObject* GetOutput();
vtkDataObject* GetOutput(int);
//@}
//@{
/**
* Set an input of this algorithm.
*/
void SetInputData(vtkDataObject*);
void SetInputData(int, vtkDataObject*);
//@}
/**
* see vtkAlgorithm for details
*/
virtual int ProcessRequest(vtkInformation* request,
vtkInformationVector** inputVector,
vtkInformationVector* outputVector);
protected:
vtkPieceRequestFilter();
~vtkPieceRequestFilter() {}
virtual int RequestDataObject(vtkInformation* request,
vtkInformationVector** inputVector,
vtkInformationVector* outputVector);
virtual int RequestData(vtkInformation*,
vtkInformationVector**,
vtkInformationVector*);
virtual int RequestUpdateExtent(vtkInformation*,
vtkInformationVector**,
vtkInformationVector*);
virtual int FillOutputPortInformation(int port, vtkInformation* info);
virtual int FillInputPortInformation(int port, vtkInformation* info);
int NumberOfPieces;
int Piece;
private:
vtkPieceRequestFilter(const vtkPieceRequestFilter&) VTK_DELETE_FUNCTION;
void operator=(const vtkPieceRequestFilter&) VTK_DELETE_FUNCTION;
};
#endif
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