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/*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: itkImageReadComplexWriteMagnitudeAndPhaseTest.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
#ifdef __BORLANDC__
#define ITK_LEAN_AND_MEAN
#endif
/** Example illustrating use of functions to convert between complex valued
* voxels, magnitude and phase, and real and imaginary representations.
*
* \author Simon K. Warfield simon.warfield@childrens.harvard.edu
*
* \note Attribution Notice. This research work was made possible by Grant
* Number R01 RR021885 (PI Simon K. Warfield, Ph.D.) from
* the National Center for Research Resources (NCRR), a component of the
* National Institutes of Health (NIH). Its contents are solely the
* responsibility of the authors and do not necessarily represent the
* official view of NCRR or NIH.
*
*/
// Software Guide : BeginCodeSnippet
#include "itkImage.h"
#include "itkComplexToModulusImageFilter.h"
#include "itkComplexToPhaseImageFilter.h"
// Software Guide : EndCodeSnippet
#include "itkImageFileReader.h"
#include "itkImageFileWriter.h"
int itkImageReadComplexWriteMagnitudeAndPhaseTest( int argc, char * argv [] )
{
if( argc < 4 )
{
std::cerr << "Usage: " << argv[0]
<< " inputComplexImage outputMagnitudePartOfComplexImage "
<< "outputPhasePartOfComplexImage" << std::endl;
}
const unsigned int Dimension = 2;
typedef float InputPixelType;
typedef float OutputPixelType;
typedef itk::Image< std::complex<InputPixelType>, Dimension > InputImageType;
typedef itk::Image< OutputPixelType, Dimension > OutputImageType;
typedef itk::ImageFileReader< InputImageType > ReaderType;
typedef itk::ComplexToModulusImageFilter<
InputImageType, OutputImageType > ModulusFilterType;
typedef itk::ComplexToPhaseImageFilter<
InputImageType, OutputImageType > PhaseFilterType;
typedef itk::ImageFileWriter< OutputImageType > WriterType;
ReaderType::Pointer reader = ReaderType::New();
reader->SetFileName( argv[1] );
ModulusFilterType::Pointer modulusFilter = ModulusFilterType::New();
modulusFilter->SetInput( reader->GetOutput() );
WriterType::Pointer writerM = WriterType::New();
writerM->SetInput(modulusFilter->GetOutput());
writerM->SetFileName( argv[2] );
try
{
writerM->Update();
}
catch( itk::ExceptionObject & excp )
{
std::cerr << "Error writing the magnitude image: " << std::endl;
std::cerr << excp << std::endl;
return EXIT_FAILURE;
}
PhaseFilterType::Pointer phaseFilter = PhaseFilterType::New();
phaseFilter->SetInput( reader->GetOutput() );
WriterType::Pointer writerP = WriterType::New();
writerP->SetInput(phaseFilter->GetOutput());
writerP->SetFileName( argv[3] );
try
{
writerP->Update();
}
catch( itk::ExceptionObject & excp )
{
std::cerr << "Error writing the phase image: " << std::endl;
std::cerr << excp << std::endl;
return EXIT_FAILURE;
}
return EXIT_SUCCESS;
}
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