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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
#include "vtkOpenFOAMReader.h"
#include "vtkCellData.h"
#include "vtkCompositePolyDataMapper.h"
#include "vtkDataObjectTree.h"
#include "vtkDataObjectTreeRange.h"
#include "vtkGeometryFilter.h"
#include "vtkNew.h"
#include "vtkPointData.h"
#include "vtkProperty.h"
#include "vtkRenderWindow.h"
#include "vtkRenderWindowInteractor.h"
#include "vtkRenderer.h"
#include "vtkUnstructuredGrid.h"
#include "vtkRegressionTestImage.h"
#include "vtkTestUtilities.h"
int TestOpenFOAMReaderWeighByCellSize(int argc, char* argv[])
{
// Read file name.
char* filename =
vtkTestUtilities::ExpandDataFileName(argc, argv, "Data/OpenFOAM/squareBend/squareBend.foam");
// Read the file
vtkNew<vtkOpenFOAMReader> reader;
reader->SetFileName(filename);
delete[] filename;
reader->SetTimeValue(100);
// These method names will be revised in the future
reader->SetCreateCellToPoint(true);
reader->SetSizeAverageCellToPoint(true);
// Dont currently need anything selected (controlled above)
reader->Update();
vtkNew<vtkGeometryFilter> geometry;
geometry->SetInputConnection(reader->GetOutputPort());
geometry->Update();
auto tree = vtkDataObjectTree::SafeDownCast(geometry->GetOutputDataObject(0));
if (!tree)
{
std::cout << "Geometry filter did not output a composite tree data set" << std::endl;
return EXIT_FAILURE;
}
for (auto dO : vtk::Range(tree,
vtk::DataObjectTreeOptions::SkipEmptyNodes | vtk::DataObjectTreeOptions::VisitOnlyLeaves |
vtk::DataObjectTreeOptions::TraverseSubTree))
{
auto ds = vtkDataSet::SafeDownCast(dO);
ds->GetPointData()->SetScalars(ds->GetPointData()->GetArray("p"));
}
// Visualize
vtkNew<vtkCompositePolyDataMapper> mapper;
mapper->SetInputConnection(geometry->GetOutputPort());
mapper->ScalarVisibilityOn();
mapper->SetColorModeToMapScalars();
mapper->SetScalarRange(1e5, 2e5);
vtkNew<vtkActor> actor;
actor->SetMapper(mapper);
vtkNew<vtkRenderer> renderer;
vtkNew<vtkRenderWindow> renderWindow;
renderWindow->AddRenderer(renderer);
vtkNew<vtkRenderWindowInteractor> renderWindowInteractor;
renderWindowInteractor->SetRenderWindow(renderWindow);
renderer->AddActor(actor);
renderer->SetBackground(0, 0, 0);
renderWindow->Render();
int retVal = vtkRegressionTestImage(renderWindow);
if (retVal == vtkRegressionTester::DO_INTERACTOR)
{
renderWindowInteractor->Start();
}
return EXIT_SUCCESS;
}
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