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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
// 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 "vtkCompositePolyDataMapper.h"
#include "vtkDataArray.h"
#include "vtkDataSetMapper.h"
#include "vtkImageData.h"
#include "vtkImageDataToPointSet.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 "vtkNew.h"
#include "vtkTestUtilities.h"
#include <sstream> // istringstream
int TestADIOS2BPReaderSingleTimeStep(int argc, char* argv[])
{
vtkNew<vtkADIOS2CoreImageReader> reader;
// Read the input data file
char* filePath =
vtkTestUtilities::ExpandDataFileName(argc, argv, "Data/ADIOS2/HeatMap3D/HeatMap3D.bp");
if (!reader->CanReadFile(filePath))
{
std::cerr << "Cannot read file " << reader->GetFileName() << std::endl;
return 0;
}
reader->SetFileName(filePath);
delete[] filePath;
reader->UpdateInformation();
auto& availVars = reader->GetAvilableVariables();
assert(availVars.size() == 2);
// Get the dimension
std::string varName = availVars.begin()->first;
reader->SetOrigin(0.0, 0.0, 0.0);
reader->SetSpacing(1.0, 1.0, 1.0);
reader->SetDimensionArray("temperature");
reader->SetActiveScalar({ "temperature", vtkADIOS2CoreImageReader::VarType::CellData });
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));
// Use vtkXMLPMultiBlockDataWriter if you want to dump the data
// Render the first image for testing
vtkNew<vtkDataSetMapper> mapper;
mapper->SetInputDataObject(image0);
mapper->ScalarVisibilityOn();
mapper->SetScalarRange(0, 2000);
mapper->SetScalarModeToUseCellData();
mapper->ColorByArrayComponent("temperature", 0);
vtkNew<vtkActor> actor;
actor->SetMapper(mapper);
actor->GetProperty()->EdgeVisibilityOn();
vtkNew<vtkRenderer> renderer;
renderer->AddActor(actor);
renderer->SetBackground(0.5, 0.5, 0.5);
renderer->ResetCamera();
renderer->GetActiveCamera()->Elevation(2000);
vtkNew<vtkRenderWindow> rendWin;
rendWin->SetSize(600, 300);
rendWin->AddRenderer(renderer);
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;
}
return !retval;
}
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