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/*=========================================================================
*
* Copyright NumFOCUS
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0.txt
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*=========================================================================*/
#include "itkMesh.h"
#include "itkMeshFileWriter.h"
#include "itkVTKPolyDataMeshIO.h"
#include "itkSymmetricSecondRankTensor.h"
#include "itkTestingMacros.h"
int
itkMeshFileWriteReadTensorTest(int argc, char * argv[])
{
if (argc < 3)
{
std::cerr << "Usage: " << itkNameOfTestExecutableMacro(argv) << "<OutputMesh2D.vtk> "
<< "<OutputMesh3D.vtk> " << std::endl;
return EXIT_FAILURE;
}
const auto outputMesh2D = std::string(argv[1]);
const auto outputMesh3D = std::string(argv[2]);
using TensorElementType = float;
using Tensor2dType = itk::SymmetricSecondRankTensor<TensorElementType, 2>;
using Tensor3dType = itk::SymmetricSecondRankTensor<TensorElementType, 3>;
using Mesh2dType = itk::Mesh<Tensor2dType, 2>;
using Mesh3dType = itk::Mesh<Tensor3dType, 3>;
using MeshWriter2dType = itk::MeshFileWriter<Mesh2dType>;
using MeshWriter3dType = itk::MeshFileWriter<Mesh3dType>;
// Test the 2D case
std::cout << "Testing VTKPolyDataMeshIO for a mesh with 2D tensor pixels..." << std::endl;
Mesh2dType::PointType point2d;
point2d.Fill(1);
Mesh2dType::PixelType pixel2d;
pixel2d.Fill(0);
auto mesh2d = Mesh2dType::New();
mesh2d->SetPoint(0, point2d);
mesh2d->SetPointData(0, pixel2d);
auto mesh2dWriter = MeshWriter2dType::New();
ITK_EXERCISE_BASIC_OBJECT_METHODS(mesh2dWriter, MeshFileWriter, ProcessObject);
itk::VTKPolyDataMeshIO::Pointer vtkPolyDataMeshIO = itk::VTKPolyDataMeshIO::New();
// Supported read extensions are empty by default
ITK_TEST_EXPECT_TRUE(vtkPolyDataMeshIO->GetSupportedReadExtensions().size() == 0);
const itk::MeshIOBase::ArrayOfExtensionsType supportedExtensions{ ".vtk" };
ITK_TEST_EXPECT_TRUE(vtkPolyDataMeshIO->GetSupportedWriteExtensions() == supportedExtensions);
mesh2dWriter->SetMeshIO(vtkPolyDataMeshIO);
ITK_TEST_SET_GET_VALUE(vtkPolyDataMeshIO, mesh2dWriter->GetMeshIO());
mesh2dWriter->SetFileName(outputMesh2D);
ITK_TEST_SET_GET_VALUE(outputMesh2D, std::string(mesh2dWriter->GetFileName()));
bool useCompression = false;
ITK_TEST_SET_GET_BOOLEAN(mesh2dWriter, UseCompression, useCompression);
mesh2dWriter->SetInput(mesh2d);
ITK_TRY_EXPECT_NO_EXCEPTION(mesh2dWriter->Update());
std::cout << "End of VTKPolyDataMeshIO 2D test. Completed successfully!" << std::endl << std::endl;
// Test the 3D case
std::cout << "Testing VTKPolyDataMeshIO for a mesh with 3D tensor pixels..." << std::endl;
Mesh3dType::PointType point3d;
point3d.Fill(1);
Mesh3dType::PixelType pixel3d;
pixel3d.Fill(0);
auto mesh3d = Mesh3dType::New();
mesh3d->SetPoint(0, point3d);
mesh3d->SetPointData(0, pixel3d);
auto mesh3dWriter = MeshWriter3dType::New();
ITK_EXERCISE_BASIC_OBJECT_METHODS(mesh3dWriter, MeshFileWriter, ProcessObject);
itk::VTKPolyDataMeshIO::Pointer vtkPolyDataMeshIO2 = itk::VTKPolyDataMeshIO::New();
mesh3dWriter->SetMeshIO(vtkPolyDataMeshIO2);
ITK_TEST_SET_GET_VALUE(vtkPolyDataMeshIO2, mesh3dWriter->GetMeshIO());
mesh3dWriter->SetFileName(outputMesh3D);
ITK_TEST_SET_GET_VALUE(outputMesh3D, std::string(mesh3dWriter->GetFileName()));
mesh3dWriter->SetInput(mesh3d);
ITK_TRY_EXPECT_NO_EXCEPTION(mesh3dWriter->Update());
std::cout << "End of VTKPolyDataMeshIO 3D test. Completed successfully!" << std::endl << std::endl;
return EXIT_SUCCESS;
}
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