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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.
*
*=========================================================================*/
/** 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.
*
*/
#include "itkImageFileReader.h"
#include "itkImageFileWriter.h"
#include "itkMagnitudeAndPhaseToComplexImageFilter.h"
#include "itkTestingMacros.h"
int itkMagnitudeAndPhaseToComplexImageFilterTest( int argc, char * argv[] )
{
if( argc != 4 )
{
std::cerr << "Usage: " << argv[0] << " inputMagnitude inputPhase outputComplex" << std::endl;
return EXIT_FAILURE;
}
const char * magnitudeImageFileName = argv[1];
const char * phaseImageFileName = argv[2];
const char * complexImageFileName = argv[3];
const unsigned int Dimension = 2;
typedef float InputPixelType;
typedef std::complex< InputPixelType > OutputPixelType;
typedef itk::Image< InputPixelType, Dimension > InputImageType;
typedef itk::Image< OutputPixelType, Dimension > OutputImageType;
typedef itk::ImageFileReader< InputImageType > ReaderType;
ReaderType::Pointer magnitudeReader = ReaderType::New();
ReaderType::Pointer phaseReader = ReaderType::New();
magnitudeReader->SetFileName( magnitudeImageFileName );
phaseReader->SetFileName( phaseImageFileName );
typedef itk::MagnitudeAndPhaseToComplexImageFilter <
InputImageType, InputImageType, OutputImageType > MagnitudeAndPhaseToComplexFilterType;
MagnitudeAndPhaseToComplexFilterType::Pointer magnitudeAndPhaseToComplexFilter =
MagnitudeAndPhaseToComplexFilterType::New();
EXERCISE_BASIC_OBJECT_METHODS( magnitudeAndPhaseToComplexFilter,
MagnitudeAndPhaseToComplexImageFilter, BinaryFunctorImageFilter );
magnitudeAndPhaseToComplexFilter->SetInput1( magnitudeReader->GetOutput() );
magnitudeAndPhaseToComplexFilter->SetInput2( phaseReader->GetOutput() );
typedef itk::ImageFileWriter< OutputImageType > WriterType;
WriterType::Pointer writer = WriterType::New();
writer->SetFileName( complexImageFileName );
writer->SetInput( magnitudeAndPhaseToComplexFilter->GetOutput() );
TRY_EXPECT_NO_EXCEPTION( writer->Update() );
// Check that the default template parameters work
typedef itk::MagnitudeAndPhaseToComplexImageFilter< InputImageType > DefaultParametersFilterType;
DefaultParametersFilterType::Pointer temp = DefaultParametersFilterType::New();
if( temp.IsNull() )
{
return EXIT_FAILURE;
}
return EXIT_SUCCESS;
}
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