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/*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: $RCSfile: itkResampleImageTest2.cxx,v $
Language: C++
Date: $Date: 2007-03-29 16:42:31 $
Version: $Revision: 1.1 $
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 <iostream>
#include "itkAffineTransform.h"
#include "itkImage.h"
#include "itkImageFileReader.h"
#include "itkImageFileWriter.h"
#include "itkImageRegionIterator.h"
#include "itkResampleImageFilter.h"
#include "itkImageRegionIteratorWithIndex.h"
#include "itkLinearInterpolateImageFunction.h"
int itkResampleImageTest2(int argc, char * argv [] )
{
if( argc < 4 )
{
std::cerr << "Missing arguments ! " << std::endl;
std::cerr << "Usage : " << std::endl;
std::cerr << argv[0] << "inputImage referenceImage resampledImage";
std::cerr << std::endl;
return EXIT_FAILURE;
}
const unsigned int NDimensions = 2;
typedef unsigned char PixelType;
typedef itk::Image<PixelType, NDimensions> ImageType;
typedef ImageType::IndexType ImageIndexType;
typedef ImageType::Pointer ImagePointerType;
typedef ImageType::RegionType ImageRegionType;
typedef ImageType::SizeType ImageSizeType;
typedef double CoordRepType;
typedef itk::AffineTransform<CoordRepType,NDimensions> AffineTransformType;
typedef itk::LinearInterpolateImageFunction<ImageType,CoordRepType> InterpolatorType;
typedef itk::ImageFileReader< ImageType > ReaderType;
typedef itk::ImageFileWriter< ImageType > WriterType;
ReaderType::Pointer reader1 = ReaderType::New();
ReaderType::Pointer reader2 = ReaderType::New();
WriterType::Pointer writer = WriterType::New();
reader1->SetFileName( argv[1] );
reader2->SetFileName( argv[2] );
writer->SetFileName( argv[3] );
// Create an affine transformation
AffineTransformType::Pointer affineTransform = AffineTransformType::New();
affineTransform->Scale(2.0);
// Create a linear interpolation image function
InterpolatorType::Pointer interpolator = InterpolatorType::New();
// Create and configure a resampling filter
typedef itk::ResampleImageFilter< ImageType, ImageType > ResampleFilterType;
ResampleFilterType::Pointer resample = ResampleFilterType::New();
resample->SetInput( reader1->GetOutput() );
resample->SetReferenceImage( reader2->GetOutput() );
resample->UseReferenceImageOn();
resample->SetTransform( affineTransform );
resample->SetInterpolator( interpolator );
writer->SetInput( resample->GetOutput() );
// Check GetReferenceImage
if( resample->GetReferenceImage() != reader2->GetOutput() )
{
std::cerr << "GetReferenceImage() failed ! " << std::endl;
return EXIT_FAILURE;
}
// Run the resampling filter
try
{
writer->Update();
}
catch( itk::ExceptionObject & excp )
{
std::cerr << excp << std::endl;
return EXIT_FAILURE;
}
// Check UseReferenceImage methods
resample->UseReferenceImageOff();
if( resample->GetUseReferenceImage() )
{
std::cerr << "GetUseReferenceImage() or UseReferenceImageOff() failed ! ";
std::cerr << std::endl;
return EXIT_FAILURE;
}
// Check UseReferenceImage methods
resample->UseReferenceImageOn();
if( !resample->GetUseReferenceImage() )
{
std::cerr << "GetUseReferenceImage() or UseReferenceImageOn() failed ! ";
std::cerr << std::endl;
return EXIT_FAILURE;
}
// Check UseReferenceImage methods
resample->SetUseReferenceImage( false );
if( resample->GetUseReferenceImage() )
{
std::cerr << "GetUseReferenceImage() or SetUseReferenceImage() failed ! ";
std::cerr << std::endl;
return EXIT_FAILURE;
}
std::cout << "Test passed." << std::endl;
return EXIT_SUCCESS;
}
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