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/*=========================================================================
Program: Visualization Toolkit
Module: vtkPStreaklineFilter.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 "vtkPStreaklineFilter.h"
#include "vtkObjectFactory.h"
#include "vtkSetGet.h"
#include "vtkInformation.h"
#include "vtkInformationVector.h"
#include "vtkCell.h"
#include "vtkCellArray.h"
#include "vtkCellData.h"
#include "vtkPointData.h"
#include "vtkIntArray.h"
#include "vtkSmartPointer.h"
#include "vtkFloatArray.h"
#include "vtkMultiProcessController.h"
#include "vtkAppendPolyData.h"
#include "vtkNew.h"
#include <vector>
#include <cassert>
vtkStandardNewMacro(vtkPStreaklineFilter)
vtkPStreaklineFilter::vtkPStreaklineFilter()
{
this->It.Initialize(this);
}
int vtkPStreaklineFilter::OutputParticles(vtkPolyData* particles)
{
return this->It.OutputParticles(particles);
}
void vtkPStreaklineFilter::Finalize()
{
int leader = 0;
int tag = 129;
if(this->Controller->GetLocalProcessId()==leader) //process 0 do the actual work
{
vtkNew<vtkAppendPolyData> append;
int totalNumPts(0);
for(int i=0; i<this->Controller->GetNumberOfProcesses(); i++)
{
if(i!=this->Controller->GetLocalProcessId())
{
vtkSmartPointer<vtkPolyData> output_i = vtkSmartPointer<vtkPolyData>::New();
this->Controller->Receive(output_i, i, tag);
append->AddInputData(output_i);
totalNumPts+= output_i->GetNumberOfPoints();
}
else
{
append->AddInputData(this->Output);
totalNumPts+= this->Output->GetNumberOfPoints();
}
}
append->Update();
vtkPolyData* appoutput = append->GetOutput();
this->Output->Initialize();
this->Output->ShallowCopy(appoutput);
assert(this->Output->GetNumberOfPoints()==totalNumPts);
this->It.Finalize();
}
else
{
//send everything to rank 0
this->Controller->Send(this->Output,leader, tag);
this->Output->Initialize();
}
return;
}
void vtkPStreaklineFilter::PrintSelf(ostream& os, vtkIndent indent)
{
Superclass::PrintSelf(os,indent);
}
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