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/*=========================================================================
Program: Visualization Toolkit
Module: TestTemporalXdmfReaderWriter.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.
=========================================================================*/
// Description:
// This tests reading of a simple ADIOS2 bp file.
#include "vtkADIOS2CoreImageReader.h"
#include "vtkActor.h"
#include "vtkAlgorithm.h"
#include "vtkCamera.h"
#include "vtkCellData.h"
#include "vtkCompositeRenderManager.h"
#include "vtkDataArray.h"
#include "vtkDataSetMapper.h"
#include "vtkImageData.h"
#include "vtkImageDataToPointSet.h"
#include "vtkMPIController.h"
#include "vtkMultiBlockDataSet.h"
#include "vtkMultiPieceDataSet.h"
#include "vtkPointData.h"
#include "vtkPolyDataMapper.h"
#include "vtkProperty.h"
#include "vtkRegressionTestImage.h"
#include "vtkRenderWindow.h"
#include "vtkRenderWindowInteractor.h"
#include "vtkRenderer.h"
#include "vtkUnsignedIntArray.h"
#include "vtkXMLPMultiBlockDataWriter.h"
#include "vtkNew.h"
#include "vtkTestUtilities.h"
#include <sstream> // istringstream
struct TestArgs
{
int* retval;
int argc;
char** argv;
};
void TestADIOS2BPReaderMPIMultiTimeSteps2D(vtkMultiProcessController* controller, void* _args)
{
TestArgs* args = reinterpret_cast<TestArgs*>(_args);
int argc = args->argc;
char** argv = args->argv;
*(args->retval) = 1;
int currentRank = controller->GetLocalProcessId();
vtkNew<vtkADIOS2CoreImageReader> reader;
// Read the input data file
char* filePath =
vtkTestUtilities::ExpandDataFileName(argc, argv, "Data/ADIOS2/2D_HeatTransfer_10-step/sim.bp");
if (!reader->CanReadFile(filePath))
{
std::cerr << "Cannot read file " << reader->GetFileName() << std::endl;
return;
}
reader->SetFileName(filePath);
delete[] filePath;
reader->SetController(controller);
reader->UpdateInformation();
auto& availVars = reader->GetAvilableVariables();
assert(availVars.size() == 1);
// Get the dimension
std::string varName = availVars.begin()->first;
reader->SetDimensionArray("T");
reader->SetTimeStepArray("T");
reader->Update();
vtkSmartPointer<vtkMultiBlockDataSet> output =
vtkMultiBlockDataSet::SafeDownCast(reader->GetOutput());
assert(output->GetNumberOfBlocks() == 1);
vtkSmartPointer<vtkMultiPieceDataSet> mpds =
vtkMultiPieceDataSet::SafeDownCast(output->GetBlock(0));
assert(mpds->GetNumberOfPieces() == 2);
vtkSmartPointer<vtkImageData> image0 = vtkImageData::SafeDownCast(mpds->GetPiece(0));
vtkSmartPointer<vtkImageData> image1 = vtkImageData::SafeDownCast(mpds->GetPiece(1));
vtkNew<vtkImageDataToPointSet> imageToPointset;
if (currentRank == 0)
{ // Rank0 should read one block as vtkImageData into index 0
assert(image0);
// assert(!image1);
assert(image0->GetCellData()->GetNumberOfArrays() == 1);
image0->GetCellData()->SetActiveScalars("T");
imageToPointset->SetInputData(image0);
}
else if (currentRank == 1)
{ // Rank1 should read one block as vtkImageData into index 1
assert(!image0);
assert(image1);
assert(image1->GetCellData()->GetNumberOfArrays() == 1);
image1->GetCellData()->SetActiveScalars("T");
imageToPointset->SetInputData(image1);
}
imageToPointset->Update();
// Since I fail to find a proper mapper to render two vtkImageDatas inside
// a vtkMultiPieceDataSet in a vtkMultiBlockDataSet, I render the image directly here
vtkNew<vtkDataSetMapper> mapper;
mapper->SetInputDataObject(imageToPointset->GetOutput());
mapper->ScalarVisibilityOn();
mapper->SetScalarRange(0, 2000);
mapper->SetScalarModeToUseCellData();
mapper->ColorByArrayComponent("T", 0);
vtkNew<vtkActor> actor;
actor->SetMapper(mapper);
actor->GetProperty()->EdgeVisibilityOn();
vtkNew<vtkCompositeRenderManager> prm;
vtkSmartPointer<vtkRenderer> renderer;
renderer.TakeReference(prm->MakeRenderer());
renderer->AddActor(actor);
renderer->SetBackground(0.5, 0.5, 0.5);
renderer->GetActiveCamera()->Elevation(300);
renderer->GetActiveCamera()->Yaw(60);
renderer->ResetCamera();
vtkSmartPointer<vtkRenderWindow> rendWin;
rendWin.TakeReference(prm->MakeRenderWindow());
rendWin->SetSize(600, 300);
rendWin->SetPosition(0, 200 * controller->GetLocalProcessId());
rendWin->AddRenderer(renderer);
prm->SetRenderWindow(rendWin);
prm->SetController(controller);
prm->InitializePieces();
prm->InitializeOffScreen(); // Mesa GL only
if (controller->GetLocalProcessId() == 0)
{
rendWin->Render();
// Do the test comparison
int retval = vtkRegressionTestImage(rendWin);
if (retval == vtkRegressionTester::DO_INTERACTOR)
{
vtkNew<vtkRenderWindowInteractor> iren;
iren->SetRenderWindow(rendWin);
iren->Initialize();
iren->Start();
retval = vtkRegressionTester::PASSED;
}
std::cout << "retval after render=" << retval << std::endl;
*(args->retval) = (retval == vtkRegressionTester::PASSED) ? 0 : 1;
prm->StopServices();
}
else // not root node
{
prm->StartServices();
}
controller->Broadcast(args->retval, 1, 0);
}
int TestADIOS2BPReaderMPIMultiTimeSteps2D(int argc, char* argv[])
{
int retval{ 1 };
// Note that this will create a vtkMPIController if MPI
// is configured, vtkThreadedController otherwise.
vtkNew<vtkMPIController> controller;
controller->Initialize(&argc, &argv);
vtkMultiProcessController::SetGlobalController(controller);
TestArgs args;
args.retval = &retval;
args.argc = argc;
args.argv = argv;
controller->SetSingleMethod(TestADIOS2BPReaderMPIMultiTimeSteps2D, &args);
controller->SingleMethodExecute();
controller->Finalize();
return retval;
}
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