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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 "itkImageFileReader.h"
#include "itkImageFileWriter.h"
#include "itkSimpleFilterWatcher.h"
#include "itkLabelImageToLabelMapFilter.h"
#include "itkAttributeRelabelLabelMapFilter.h"
#include "itkLabelMapToLabelImageFilter.h"
#include "itkTestingMacros.h"
int
itkAttributeRelabelLabelMapFilterTest1(int argc, char * argv[])
{
if (argc != 4)
{
std::cerr << "Missing parameters." << std::endl;
std::cerr << "Usage: " << itkNameOfTestExecutableMacro(argv);
std::cerr << " input output";
std::cerr << " reverseOrdering(0/1)";
std::cerr << std::endl;
return EXIT_FAILURE;
}
constexpr unsigned int dim = 3;
using PixelType = unsigned char;
using ImageType = itk::Image<PixelType, dim>;
using LabelObjectType = itk::AttributeLabelObject<PixelType, dim, int>;
using LabelMapType = itk::LabelMap<LabelObjectType>;
using ReaderType = itk::ImageFileReader<ImageType>;
auto reader = ReaderType::New();
reader->SetFileName(argv[1]);
using I2LType = itk::LabelImageToLabelMapFilter<ImageType, LabelMapType>;
auto i2l = I2LType::New();
i2l->SetInput(reader->GetOutput());
// The next step is made outside the pipeline model, so we call Update() now.
i2l->Update();
// Now we will valuate the attributes. The attribute will be the object position
// in the label map
LabelMapType::Pointer labelMap = i2l->GetOutput();
int pos = 0;
for (LabelMapType::Iterator it(labelMap); !it.IsAtEnd(); ++it)
{
LabelObjectType * labelObject = it.GetLabelObject();
labelObject->SetAttribute(pos++);
}
using LabelRelabelType = itk::AttributeRelabelLabelMapFilter<LabelMapType>;
auto relabel = LabelRelabelType::New();
// testing get and set macros for ReverseOrdering
// testing boolean macro for ReverseOrdering
relabel->ReverseOrderingOn();
ITK_TEST_SET_GET_VALUE(true, relabel->GetReverseOrdering());
relabel->ReverseOrderingOff();
ITK_TEST_SET_GET_VALUE(false, relabel->GetReverseOrdering());
bool reverseOrdering = std::stoi(argv[3]);
relabel->SetReverseOrdering(reverseOrdering);
ITK_TEST_SET_GET_VALUE(reverseOrdering, relabel->GetReverseOrdering());
relabel->SetInput(labelMap);
itk::SimpleFilterWatcher watcher(relabel, "filter");
using L2IType = itk::LabelMapToLabelImageFilter<LabelMapType, ImageType>;
auto l2i = L2IType::New();
l2i->SetInput(relabel->GetOutput());
using WriterType = itk::ImageFileWriter<ImageType>;
auto writer = WriterType::New();
writer->SetInput(l2i->GetOutput());
writer->SetFileName(argv[2]);
writer->UseCompressionOn();
ITK_TRY_EXPECT_NO_EXCEPTION(writer->Update());
return EXIT_SUCCESS;
}
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