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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
#include <vtkActor.h>
#include <vtkCellData.h>
#include <vtkDataSetMapper.h>
#include <vtkExecutive.h>
#include <vtkMFIXReader.h>
#include <vtkRenderWindow.h>
#include <vtkRenderWindowInteractor.h>
#include <vtkRenderer.h>
#include <vtkSmartPointer.h>
#include <vtkUnstructuredGrid.h>
#include <vtkRegressionTestImage.h>
#include <vtkTestErrorObserver.h>
#include <vtkTestUtilities.h>
int TestMFIXReader(int argc, char* argv[])
{
// Read file name.
char* filename = vtkTestUtilities::ExpandDataFileName(argc, argv, "Data/MFIXReader/BUB01.RES");
vtkSmartPointer<vtkTest::ErrorObserver> errorObserver1 =
vtkSmartPointer<vtkTest::ErrorObserver>::New();
vtkSmartPointer<vtkTest::ErrorObserver> errorObserver2 =
vtkSmartPointer<vtkTest::ErrorObserver>::New();
vtkSmartPointer<vtkMFIXReader> reader = vtkSmartPointer<vtkMFIXReader>::New();
reader->AddObserver(vtkCommand::ErrorEvent, errorObserver1);
reader->GetExecutive()->AddObserver(vtkCommand::ErrorEvent, errorObserver2);
// Update without a filename should cause an error
reader->Update();
errorObserver1->CheckErrorMessage("No filename specified");
reader->SetFileName(filename);
delete[] filename;
reader->Update();
std::cout << "Testing reader with file: " << reader->GetFileName() << std::endl;
std::cout << "There are " << reader->GetNumberOfPoints() << " number of points" << std::endl;
std::cout << "There are " << reader->GetNumberOfCells() << " number of cells" << std::endl;
std::cout << "There are " << reader->GetNumberOfCellFields() << " number of cell fields"
<< std::endl;
reader->SetTimeStep(reader->GetNumberOfTimeSteps() / 2);
std::cout << "The timestep is " << reader->GetTimeStep() << std::endl;
reader->SetTimeStepRange(0, reader->GetNumberOfTimeSteps() - 1);
std::cout << "The time step range is: " << reader->GetTimeStepRange()[0] << " to "
<< reader->GetTimeStepRange()[1] << std::endl;
// Exercise Cell Arrays
// 1) Default array settings
int numberOfCellArrays = reader->GetNumberOfCellArrays();
std::cout << "----- Default array settings" << std::endl;
for (int i = 0; i < numberOfCellArrays; ++i)
{
const char* name = reader->GetCellArrayName(i);
std::cout << " Cell Array: " << i << " is named " << name << " and is "
<< (reader->GetCellArrayStatus(name) ? "Enabled" : "Disabled") << std::endl;
}
// 2) Disable one array
std::cout << "----- Disable one array" << std::endl;
const char* arrayName = reader->GetCellArrayName(0);
reader->SetCellArrayStatus(arrayName, 0);
if (reader->GetCellArrayStatus(arrayName) != 0)
{
std::cout << "ERROR: Cell Array: "
<< "0"
<< " is named " << arrayName << " and should be disabled" << std::endl;
return EXIT_FAILURE;
}
// 3) Disable all arrays
std::cout << "----- Disable all arrays" << std::endl;
reader->DisableAllCellArrays();
for (int i = 0; i < numberOfCellArrays; ++i)
{
const char* name = reader->GetCellArrayName(i);
if (reader->GetCellArrayStatus(name) != 0)
{
std::cout << "ERROR: "
<< " Cell Array: " << i << " is named " << name << " and should be disabled"
<< std::endl;
return EXIT_FAILURE;
}
}
// 4) Enable one array
std::cout << "----- Enable one array" << std::endl;
arrayName = reader->GetCellArrayName(0);
reader->SetCellArrayStatus(arrayName, 1);
if (reader->GetCellArrayStatus(arrayName) != 1)
{
std::cout << "ERROR: Cell Array: "
<< "0"
<< " is named " << arrayName << " and should be disabled" << std::endl;
return EXIT_FAILURE;
}
// 5) Enable all arrays
std::cout << "----- Enable all arrays" << std::endl;
reader->EnableAllCellArrays();
for (int i = 0; i < numberOfCellArrays; ++i)
{
const char* name = reader->GetCellArrayName(i);
if (reader->GetCellArrayStatus(name) != 1)
{
std::cout << "ERROR: "
<< " Cell Array: " << i << " is named " << name << " and should be enabled"
<< std::endl;
return EXIT_FAILURE;
}
}
reader->Print(std::cout);
// Visualize
vtkSmartPointer<vtkDataSetMapper> mapper = vtkSmartPointer<vtkDataSetMapper>::New();
mapper->SetInputConnection(reader->GetOutputPort());
mapper->SetScalarRange(reader->GetOutput()->GetScalarRange());
vtkSmartPointer<vtkActor> actor = vtkSmartPointer<vtkActor>::New();
actor->SetMapper(mapper);
vtkSmartPointer<vtkRenderer> renderer = vtkSmartPointer<vtkRenderer>::New();
vtkSmartPointer<vtkRenderWindow> renderWindow = vtkSmartPointer<vtkRenderWindow>::New();
renderWindow->AddRenderer(renderer);
vtkSmartPointer<vtkRenderWindowInteractor> renderWindowInteractor =
vtkSmartPointer<vtkRenderWindowInteractor>::New();
renderWindowInteractor->SetRenderWindow(renderWindow);
renderer->AddActor(actor);
renderer->SetBackground(.2, .4, .6);
renderWindow->Render();
int retVal = vtkRegressionTestImage(renderWindow);
if (retVal == vtkRegressionTester::DO_INTERACTOR)
{
renderWindowInteractor->Start();
}
return !retVal;
}
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