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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 "itkImageSeriesReader.h"
#include "itkTestingMacros.h"
int
itkImageSeriesReaderSamplingTest(int argc, char * argv[])
{
if (argc < 3)
{
std::cerr << "Usage: " << itkNameOfTestExecutableMacro(argv) << " inputFileName(s) " << std::endl;
return EXIT_FAILURE;
}
using Image3DType = itk::Image<short, 3>;
using Reader3DType = itk::ImageSeriesReader<Image3DType>;
Reader3DType::FileNamesContainer fnames;
for (int i = 1; i < argc; ++i)
{
std::cout << argv[i] << std::endl;
fnames.push_back(argv[i]);
}
std::cout << "testing reading a series of 2D images to 3D with extra slices" << std::endl;
try
{
auto reader = Reader3DType::New();
reader->SetFileNames(fnames);
reader->Update();
double maxSamplingDeviation = 0.0;
if (itk::ExposeMetaData<double>(
reader->GetOutput()->GetMetaDataDictionary(), "ITK_non_uniform_sampling_deviation", maxSamplingDeviation))
{
std::cout << "global ITK_non_uniform_sampling_deviation detected : " << maxSamplingDeviation << std::endl;
}
else
{
std::cout << "global ITK_non_uniform_sampling_deviation not found" << std::endl;
return EXIT_FAILURE;
}
// iterate over all slices to detect offending slice
for (auto d : *reader->GetMetaDataDictionaryArray())
{
itk::MetaDataDictionary theMetadata = *d;
double samplingDeviation = 0.0;
if (itk::ExposeMetaData<double>(theMetadata, "ITK_non_uniform_sampling_deviation", samplingDeviation))
{
std::cout << "slice ITK_non_uniform_sampling_deviation detected: " << samplingDeviation << std::endl;
}
else
{
std::cout << "slice ITK_non_uniform_sampling_deviation not detected" << std::endl;
}
}
}
catch (const itk::ExceptionObject & ex)
{
std::cout << ex;
return EXIT_FAILURE;
}
return EXIT_SUCCESS;
}
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