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/*=========================================================================
*
* Copyright Insight Software Consortium
*
* 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
*
* http://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 <iostream>
#include "itkImageFileReader.h"
#include "itkImageFileWriter.h"
#include "itkDCMTKImageIO.h"
#include "itkSubtractImageFilter.h"
#include "itkStatisticsImageFilter.h"
int
itkDCMTKMultiFrame4DTest(int argc, char *argv[])
{
if(argc != 3)
{
std::cerr << "Missing filenames" << std::endl
<< "itkDCMTKMultiFram4DTest"
<< " <inputDicomFile> <outputFile>"
<< std::endl;
return EXIT_FAILURE;
}
typedef itk::Image<unsigned short, 4> ImageType;
typedef itk::ImageFileReader<ImageType> ReaderType;
typedef itk::ImageFileWriter<ImageType> WriterType;
ReaderType::Pointer reader = ReaderType::New();
WriterType::Pointer writer = WriterType::New();
reader->SetImageIO(itk::DCMTKImageIO::New());
reader->SetFileName(argv[1]);
writer->SetFileName(argv[2]);
try
{
reader->Update();
}
catch (itk::ExceptionObject & e)
{
std::cerr << "exception in file reader" << std::endl;
std::cerr << e << std::endl;
return EXIT_FAILURE;
}
ImageType::Pointer im = reader->GetOutput();
std::cout << im;
writer->SetInput(im);
try
{
writer->Update();
}
catch (itk::ExceptionObject & e)
{
std::cerr << "exception in file writer" << std::endl;
std::cerr << e << std::endl;
return EXIT_FAILURE;
}
catch(...)
{
return EXIT_FAILURE;
}
// don't want to set imageIO so re-instantiate reader
reader = ReaderType::New();
reader->SetFileName(argv[2]);
typedef itk::SubtractImageFilter<ImageType,ImageType,ImageType>
SubtractFilterType;
SubtractFilterType::Pointer subtractFilter =
SubtractFilterType::New();
subtractFilter->SetInput1(im);
subtractFilter->SetInput2(reader->GetOutput());
typedef itk::StatisticsImageFilter<ImageType> StatisticsFilterType;
StatisticsFilterType::Pointer statisticsFilter =
StatisticsFilterType::New();
statisticsFilter->SetInput(subtractFilter->GetOutput());
try
{
statisticsFilter->Update();
}
catch (itk::ExceptionObject & e)
{
std::cerr << "exception checking files " << std::endl;
std::cerr << e << std::endl;
return EXIT_FAILURE;
}
if(statisticsFilter->GetMinimum() != 0.0 || statisticsFilter->GetMaximum() != 0.0)
{
std::cerr << "file written doesn't match file read." << std::endl
<< "min(" << statisticsFilter->GetMinimum()
<< ") max(" << statisticsFilter->GetMaximum()
<< std::endl;
return EXIT_FAILURE;
}
return EXIT_SUCCESS;
}
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