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/*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: itkGDCMImageIOTest.cxx
Language: C++
Date: $Date$
Version: $Revision$
Copyright (c) Insight Software Consortium. All rights reserved.
See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notices for more information.
=========================================================================*/
#if defined(_MSC_VER)
#pragma warning ( disable : 4786 )
#endif
#include "itkImageFileReader.h"
#include "itkImageFileWriter.h"
#include "itkImage.h"
#include "itkRescaleIntensityImageFilter.h"
#include "itkMetaDataDictionary.h"
#include "itkMetaDataObject.h"
#include "itkGDCMImageIO.h"
#include <list>
#include <fstream>
int main(int ac, char* av[])
{
if(ac < 5)
{
std::cerr << "Usage: " << av[0] << " DicomImage OutputDicomImage OutputImage RescalDicomImage\n";
return EXIT_FAILURE;
}
typedef short InputPixelType;
typedef itk::Image< InputPixelType, 2 > InputImageType;
typedef itk::ImageFileReader< InputImageType > ReaderType;
typedef itk::GDCMImageIO ImageIOType;
ImageIOType::Pointer gdcmImageIO = ImageIOType::New();
ReaderType::Pointer reader = ReaderType::New();
reader->SetFileName( av[1] );
reader->SetImageIO( gdcmImageIO );
try
{
reader->Update();
}
catch (itk::ExceptionObject & e)
{
std::cerr << "exception in file reader " << std::endl;
std::cerr << e << std::endl;
return EXIT_FAILURE;
}
// Exercise the get methods
std::cout << "InternalComponentType: "
<< gdcmImageIO->GetInternalComponentType() << std::endl;
std::cout << "RescaleSlope: "
<< gdcmImageIO->GetRescaleSlope() << std::endl;
std::cout << "RescaleIntercept: "
<< gdcmImageIO->GetRescaleIntercept() << std::endl;
std::cout << "UIDPrefix: "
<< gdcmImageIO->GetUIDPrefix() << std::endl;
std::cout << "StudyInstanceUID: "
<< gdcmImageIO->GetStudyInstanceUID() << std::endl;
std::cout << "SeriesInstanceUID: "
<< gdcmImageIO->GetSeriesInstanceUID() << std::endl;
std::cout << "FrameOfReferenceInstanceUID: "
<< gdcmImageIO->GetFrameOfReferenceInstanceUID() << std::endl;
std::cout << "KeepOriginalUID: "
<< gdcmImageIO->GetKeepOriginalUID() << std::endl;
std::cout << "LoadSequences: "
<< gdcmImageIO->GetLoadSequences() << std::endl;
std::cout << "LoadPrivateTags: "
<< gdcmImageIO->GetLoadPrivateTags() << std::endl;
std::cout << "CompressionType: "
<< gdcmImageIO->GetCompressionType() << std::endl;
// Rewrite the image in DICOM format
//
typedef itk::ImageFileWriter< InputImageType > Writer1Type;
Writer1Type::Pointer writer1 = Writer1Type::New();
writer1->SetFileName( av[2] );
writer1->SetInput( reader->GetOutput() );
writer1->SetImageIO( gdcmImageIO );
try
{
writer1->Update();
}
catch (itk::ExceptionObject & e)
{
std::cerr << "exception in file writer " << std::endl;
std::cerr << e << std::endl;
return EXIT_FAILURE;
}
// Rescale intensities and rewrite the image in another format
//
typedef unsigned char WritePixelType;
typedef itk::Image< WritePixelType, 2 > WriteImageType;
typedef itk::RescaleIntensityImageFilter<
InputImageType, WriteImageType > RescaleFilterType;
RescaleFilterType::Pointer rescaler = RescaleFilterType::New();
rescaler->SetOutputMinimum( 0 );
rescaler->SetOutputMaximum( 255 );
rescaler->SetInput( reader->GetOutput() );
typedef itk::ImageFileWriter< WriteImageType > Writer2Type;
Writer2Type::Pointer writer2 = Writer2Type::New();
writer2->SetFileName( av[3] );
writer2->SetInput( rescaler->GetOutput() );
try
{
writer2->Update();
}
catch (itk::ExceptionObject & e)
{
std::cerr << "exception in file writer " << std::endl;
std::cerr << e << std::endl;
return EXIT_FAILURE;
}
// Rewrite the image in DICOM format but using less bits per pixel
//
typedef itk::ImageFileWriter< WriteImageType > Writer3Type;
Writer3Type::Pointer writer3 = Writer3Type::New();
writer3->SetFileName( av[4] );
writer3->SetInput( rescaler->GetOutput() );
writer3->UseInputMetaDataDictionaryOff ();
writer3->SetImageIO( gdcmImageIO );
try
{
writer3->Update();
}
catch (itk::ExceptionObject & e)
{
std::cerr << "exception in file writer " << std::endl;
std::cerr << e << std::endl;
return EXIT_FAILURE;
}
gdcmImageIO->Print( std::cout );
return EXIT_SUCCESS;
}
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