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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 <fstream>
#include "itkImageFileReader.h"
#include "itkImageFileWriter.h"
#include "itkNrrdImageIO.h"
#include "itkTestingMacros.h"
// Specific ImageIO test
int
itkNrrdDiffusionTensor3DImageReadTensorDoubleWriteTensorDoubleTest(int argc, char * argv[])
{
if (argc < 2)
{
std::cerr << "Usage: " << itkNameOfTestExecutableMacro(argv) << " Input Output\n";
return EXIT_FAILURE;
}
using InPixelType = itk::DiffusionTensor3D<double>;
using InImage = itk::Image<InPixelType, 3>;
using ReaderType = itk::ImageFileReader<InImage>;
auto reader = ReaderType::New();
reader->SetImageIO(itk::NrrdImageIO::New());
reader->SetFileName(argv[1]);
try
{
reader->Update();
}
catch (const itk::ExceptionObject & e)
{
std::cerr << "exception in file reader " << std::endl;
std::cerr << e << std::endl;
return EXIT_FAILURE;
}
InImage::Pointer image = reader->GetOutput();
image->Print(std::cout);
// Generate test image
itk::ImageFileWriter<InImage>::Pointer writer;
writer = itk::ImageFileWriter<InImage>::New();
writer->SetImageIO(itk::NrrdImageIO::New());
writer->SetInput(reader->GetOutput());
writer->SetFileName(argv[2]);
try
{
writer->Update();
}
catch (const itk::ExceptionObject & e)
{
std::cerr << "exception in file writer " << std::endl;
std::cerr << e << std::endl;
return EXIT_FAILURE;
}
return EXIT_SUCCESS;
}
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