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/*=========================================================================
Program: Visualization Toolkit
Module: DistributedData.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.
=========================================================================*/
// Test simple sorting on a distributed wavelet
// This test requires 4 MPI processes.
#include "vtkTestUtilities.h"
#include "vtkUnstructuredGrid.h"
#include "vtkImageData.h"
#include "vtkRTAnalyticSource.h"
#include "vtkDistributedDataFilter.h"
#include "vtkPieceScalars.h"
#include "vtkSortedTableStreamer.h"
#include "vtkMPIController.h"
#include "vtkAttributeDataToTableFilter.h"
#include "vtkTable.h"
#include "vtkFloatArray.h"
#include "vtkStreamingDemandDrivenPipeline.h"
#include "vtkObjectFactory.h"
/*
** This test only builds if MPI is in use
*/
#include "vtkMPICommunicator.h"
#include "vtkProcess.h"
class MyProcess : public vtkProcess
{
public:
static MyProcess *New();
vtkTypeMacro(MyProcess, vtkProcess);
virtual void Execute();
void SetArgs(int anArgc,
char *anArgv[]);
protected:
MyProcess();
int Argc;
char **Argv;
};
vtkStandardNewMacro(MyProcess);
MyProcess::MyProcess()
{
this->Argc=0;
this->Argv=0;
}
void MyProcess::SetArgs(int anArgc,
char *anArgv[])
{
this->Argc=anArgc;
this->Argv=anArgv;
}
void MyProcess::Execute()
{
this->ReturnValue=1;
int me = this->Controller->GetLocalProcessId();
int nbProc = this->Controller->GetNumberOfProcesses();
// Dataset
vtkRTAnalyticSource *wavelet = vtkRTAnalyticSource::New();
//wavelet->SetWholeExtent(-50,50,-50,50,-50,50);
// COLOR BY PROCESS NUMBER
vtkPieceScalars *ps = vtkPieceScalars::New();
ps->SetInputConnection(wavelet->GetOutputPort());
ps->SetScalarModeToCellData();
// MORE FILTERING - DS -> vtkTable
vtkAttributeDataToTableFilter* dsToTableFilter = vtkAttributeDataToTableFilter::New();
dsToTableFilter->SetInputConnection(ps->GetOutputPort());
vtkSortedTableStreamer* sortFilter = vtkSortedTableStreamer::New();
sortFilter->SetInputConnection(dsToTableFilter->GetOutputPort());
sortFilter->SetColumnNameToSort("RTData");
sortFilter->SetSelectedComponent(0);
sortFilter->SetBlock(0);
sortFilter->SetBlockSize(1024);
sortFilter->UpdatePiece(me, nbProc, 0);
// cout << "Full range ["
// << wavelet->GetOutput()->GetScalarRange()[0]
// << ", "
// << wavelet->GetOutput()->GetScalarRange()[1]
// << "]"
// << endl;
if(me == 0)
{
vtkFloatArray* data =
vtkFloatArray::SafeDownCast(
sortFilter->GetOutput()->GetColumnByName("RTData"));
// cout << ">>> Print block " << i << " range: [" << data->GetRange()[0]
// << ", " << data->GetRange()[1] << "] - size: "
// << data->GetNumberOfTuples() << endl;
double goal = data->GetRange()[0];
vtkIdType index = -1;
while(goal == data->GetValue(++index)) ;
cout << "the first "<<index<< " values are the same. The nb proc is " << nbProc << endl;
this->ReturnValue = ((index % nbProc) == 0);
if(this->ReturnValue == 1)
{
cout << "First block values are the same. OK" << endl;
}
}
// CLEAN UP
wavelet->Delete();
ps->Delete();
sortFilter->Delete();
dsToTableFilter->Delete();
}
int main(int argc, char **argv)
{
int retVal = 1;
vtkMPIController *contr = vtkMPIController::New();
contr->Initialize(&argc, &argv);
vtkMultiProcessController::SetGlobalController(contr);
int numProcs = contr->GetNumberOfProcesses();
int me = contr->GetLocalProcessId();
if(me == 0 && !vtkSortedTableStreamer::TestInternalClasses())
{
contr->Delete();
return retVal;
}
if (numProcs < 2)
{
if (me == 0)
{
cout << "DistributedData test requires more than 1 processe" << endl;
}
contr->Delete();
return retVal;
}
if (!contr->IsA("vtkMPIController"))
{
if (me == 0)
{
cout << "DistributedData test requires MPI" << endl;
}
contr->Delete();
return retVal; // is this the right error val? TODO
}
MyProcess *p=MyProcess::New();
p->SetArgs(argc,argv);
contr->SetSingleProcessObject(p);
contr->SingleMethodExecute();
retVal=p->GetReturnValue();
p->Delete();
contr->Finalize();
contr->Delete();
return !retVal;
}
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