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/*=========================================================================
Program: Visualization Toolkit
Module: vtkTransmitPolyDataPiece.cxx
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.
=========================================================================*/
#include "vtkTransmitPolyDataPiece.h"
#include "vtkCellData.h"
#include "vtkExtractPolyDataPiece.h"
#include "vtkInformation.h"
#include "vtkInformationVector.h"
#include "vtkMultiProcessController.h"
#include "vtkObjectFactory.h"
#include "vtkPointData.h"
#include "vtkPolyData.h"
#include "vtkStreamingDemandDrivenPipeline.h"
vtkStandardNewMacro(vtkTransmitPolyDataPiece);
vtkCxxSetObjectMacro(vtkTransmitPolyDataPiece,Controller,
vtkMultiProcessController);
//----------------------------------------------------------------------------
vtkTransmitPolyDataPiece::vtkTransmitPolyDataPiece()
{
this->CreateGhostCells = 1;
// Controller keeps a reference to this object as well.
this->Controller = NULL;
this->SetController(vtkMultiProcessController::GetGlobalController());
}
//----------------------------------------------------------------------------
vtkTransmitPolyDataPiece::~vtkTransmitPolyDataPiece()
{
this->SetController(NULL);
}
//----------------------------------------------------------------------------
int vtkTransmitPolyDataPiece::RequestData(
vtkInformation *vtkNotUsed(request),
vtkInformationVector **inputVector,
vtkInformationVector *outputVector)
{
// get the info objects
vtkInformation *inInfo = inputVector[0]->GetInformationObject(0);
vtkInformation *outInfo = outputVector->GetInformationObject(0);
// get the input and output
vtkPolyData *input = vtkPolyData::SafeDownCast(
inInfo->Get(vtkDataObject::DATA_OBJECT()));
vtkPolyData *output = vtkPolyData::SafeDownCast(
outInfo->Get(vtkDataObject::DATA_OBJECT()));
int procId;
if (this->Controller == NULL)
{
vtkErrorMacro("Could not find Controller.");
return 0;
}
procId = this->Controller->GetLocalProcessId();
if (procId == 0)
{
// It is important to synchronize these calls (all processes execute)
// cerr << "Root Execute\n";
this->RootExecute(input, output, outInfo);
}
else
{
// cerr << "Satellite Execute " << procId << endl;
this->SatelliteExecute(procId, output, outInfo);
}
return 1;
}
//----------------------------------------------------------------------------
void vtkTransmitPolyDataPiece::RootExecute(vtkPolyData *input,
vtkPolyData *output,
vtkInformation *outInfo)
{
vtkPolyData *tmp = vtkPolyData::New();
vtkExtractPolyDataPiece *extract = vtkExtractPolyDataPiece::New();
int ext[3];
int numProcs, i;
// First, set up the pipeline and handle local request.
tmp->ShallowCopy(input);
extract->SetCreateGhostCells(this->CreateGhostCells);
extract->SetInputData(tmp);
int nPieces =
outInfo->Get(vtkStreamingDemandDrivenPipeline::UPDATE_NUMBER_OF_PIECES());
int piece =
outInfo->Get(vtkStreamingDemandDrivenPipeline::UPDATE_PIECE_NUMBER());
int ghosts =
outInfo->Get(vtkStreamingDemandDrivenPipeline::UPDATE_NUMBER_OF_GHOST_LEVELS());
extract->UpdatePiece(piece, nPieces, ghosts);
// Copy geometry without copying information.
output->CopyStructure(extract->GetOutput());
output->GetPointData()->PassData(extract->GetOutput()->GetPointData());
output->GetCellData()->PassData(extract->GetOutput()->GetCellData());
output->GetFieldData()->PassData(extract->GetOutput()->GetFieldData());
// Now do each of the satellite requests.
numProcs = this->Controller->GetNumberOfProcesses();
for (i = 1; i < numProcs; ++i)
{
this->Controller->Receive(ext, 3, i, 22341);
extract->UpdatePiece(ext[0], ext[1], ext[2]);
this->Controller->Send(extract->GetOutput(), i, 22342);
}
tmp->Delete();
extract->Delete();
}
//----------------------------------------------------------------------------
void vtkTransmitPolyDataPiece::SatelliteExecute(int, vtkPolyData *output,
vtkInformation *outInfo)
{
vtkPolyData *tmp = vtkPolyData::New();
int ext[3];
ext[0] =
outInfo->Get(vtkStreamingDemandDrivenPipeline::UPDATE_PIECE_NUMBER());
ext[1] =
outInfo->Get(vtkStreamingDemandDrivenPipeline::UPDATE_NUMBER_OF_PIECES());
ext[2] =
outInfo->Get(vtkStreamingDemandDrivenPipeline::UPDATE_NUMBER_OF_GHOST_LEVELS());
this->Controller->Send(ext, 3, 0, 22341);
this->Controller->Receive(tmp, 0, 22342);
// Copy geometry without copying information.
output->CopyStructure(tmp);
output->GetPointData()->PassData(tmp->GetPointData());
output->GetCellData()->PassData(tmp->GetCellData());
output->GetFieldData()->PassData(tmp->GetFieldData());
tmp->Delete();
}
//----------------------------------------------------------------------------
void vtkTransmitPolyDataPiece::PrintSelf(ostream& os, vtkIndent indent)
{
this->Superclass::PrintSelf(os,indent);
os << indent << "Create Ghost Cells: " << (this->CreateGhostCells ? "On\n" : "Off\n");
os << indent << "Controller: (" << this->Controller << ")\n";
}
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