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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 "itkTestingMacros.h"
#include "itkQuadEdgeMesh.h"
#include "itkMeshFileReader.h"
#include "itkMeshFileWriter.h"
#include "itkQuadEdgeMeshDecimationCriteria.h"
#include "itkQuadricDecimationQuadEdgeMeshFilter.h"
int
itkQuadricDecimationQuadEdgeMeshFilterTest(int argc, char * argv[])
{
// ** ERROR MESSAGE AND HELP ** //
if (argc != 4)
{
std::cerr << "Missing parameters." << std::endl;
std::cerr << "Usage: " << itkNameOfTestExecutableMacro(argv);
std::cerr << " inputFilename numberOfFaces outputFilename" << std::endl;
return EXIT_FAILURE;
}
// ** TYPEDEF **
using CoordType = double;
constexpr unsigned int Dimension = 3;
using MeshType = itk::QuadEdgeMesh<CoordType, Dimension>;
using ReaderType = itk::MeshFileReader<MeshType>;
using WriterType = itk::MeshFileWriter<MeshType>;
// ** READ THE FILE IN **
const auto reader = ReaderType::New();
reader->SetFileName(argv[1]);
ITK_TRY_EXPECT_NO_EXCEPTION(reader->Update());
const auto mesh = reader->GetOutput();
for (auto it = mesh->GetCells()->Begin(); it != mesh->GetCells()->End(); ++it)
{
mesh->SetCellData(it.Index(), 25);
}
ITK_TEST_EXPECT_EQUAL(mesh->GetNumberOfCells(), mesh->GetCellData()->Size());
using CriterionType = itk::NumberOfFacesCriterion<MeshType>;
using DecimationType = itk::QuadricDecimationQuadEdgeMeshFilter<MeshType, MeshType, CriterionType>;
long N;
std::stringstream ssout(argv[2]);
ssout >> N;
std::array<bool, 2> topological_change;
topological_change[0] = true;
topological_change[1] = false;
for (const auto & tc : topological_change)
{
const auto criterion = CriterionType::New();
ITK_TEST_SET_GET_BOOLEAN(criterion, TopologicalChange, tc);
criterion->SetNumberOfElements(N);
ITK_EXERCISE_BASIC_OBJECT_METHODS(criterion, NumberOfFacesCriterion, QuadEdgeMeshDecimationCriterion);
const auto decimate = DecimationType::New();
decimate->SetInput(mesh);
decimate->SetCriterion(criterion);
ITK_TRY_EXPECT_NO_EXCEPTION(decimate->Update());
ITK_EXERCISE_BASIC_OBJECT_METHODS(decimate, QuadricDecimationQuadEdgeMeshFilter, EdgeDecimationQuadEdgeMeshFilter);
ITK_TEST_EXPECT_EQUAL(decimate->GetOutput()->GetNumberOfCells(), decimate->GetOutput()->GetCellData()->Size());
// ** WRITE OUTPUT **
const auto writer = WriterType::New();
writer->SetInput(decimate->GetOutput());
writer->SetFileName(argv[3]);
ITK_TRY_EXPECT_NO_EXCEPTION(writer->Update());
}
return EXIT_SUCCESS;
}
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