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/*=========================================================================
Program: Visualization Toolkit
Module: $RCSfile: vtkTransmitPolyDataPiece.h,v $
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.
=========================================================================*/
// .NAME vtkTransmitPolyDataPiece - Return specified piece, including specified
// number of ghost levels.
// .SECTION Description
// This filter updates the appropriate piece by requesting the piece from
// process 0. Process 0 always updates all of the data. It is important that
// Execute get called on all processes, otherwise the filter will deadlock.
#ifndef __vtkTransmitPolyDataPiece_h
#define __vtkTransmitPolyDataPiece_h
#include "vtkPolyDataAlgorithm.h"
class vtkMultiProcessController;
class VTK_PARALLEL_EXPORT vtkTransmitPolyDataPiece : public vtkPolyDataAlgorithm
{
public:
static vtkTransmitPolyDataPiece *New();
vtkTypeRevisionMacro(vtkTransmitPolyDataPiece, vtkPolyDataAlgorithm);
void PrintSelf(ostream& os, vtkIndent indent);
// Description:
// By defualt this filter uses the global controller,
// but this method can be used to set another instead.
virtual void SetController(vtkMultiProcessController*);
vtkGetObjectMacro(Controller, vtkMultiProcessController);
// Description:
// Turn on/off creating ghost cells (on by default).
vtkSetMacro(CreateGhostCells, int);
vtkGetMacro(CreateGhostCells, int);
vtkBooleanMacro(CreateGhostCells, int);
protected:
vtkTransmitPolyDataPiece();
~vtkTransmitPolyDataPiece();
// Data generation method
int RequestData(vtkInformation *, vtkInformationVector **, vtkInformationVector *);
void RootExecute(vtkPolyData *input, vtkPolyData *output, vtkInformation *outInfo);
void SatelliteExecute(int procId, vtkPolyData *output, vtkInformation *outInfo);
int RequestInformation(vtkInformation *, vtkInformationVector **, vtkInformationVector *);
int RequestUpdateExtent(vtkInformation *, vtkInformationVector **, vtkInformationVector *);
vtkPolyData *Buffer;
int BufferPiece;
int BufferNumberOfPieces;
int BufferGhostLevel;
int CreateGhostCells;
vtkMultiProcessController *Controller;
private:
vtkTransmitPolyDataPiece(const vtkTransmitPolyDataPiece&); // Not implemented
void operator=(const vtkTransmitPolyDataPiece&); // Not implemented
};
#endif
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