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/*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: $RCSfile: itkCompose3DVectorImageFilterTest.cxx,v $
Language: C++
Date: $Date: 2003-12-12 15:57:10 $
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 "itkImage.h"
#include "itkCompose3DVectorImageFilter.h"
#include "itkImageRegionIterator.h"
int itkCompose3DVectorImageFilterTest(int , char * [])
{
typedef unsigned char PixelType;
typedef itk::Image< PixelType, 3 > InputImageType;
typedef itk::Compose3DVectorImageFilter< InputImageType > FilterType;
typedef InputImageType::RegionType RegionType;
typedef InputImageType::SizeType SizeType;
typedef InputImageType::IndexType IndexType;
FilterType::Pointer filter = FilterType::New();
InputImageType::Pointer zeroImage = InputImageType::New();
InputImageType::Pointer oneImage = InputImageType::New();
InputImageType::Pointer twoImage = InputImageType::New();
SizeType size;
size[0] = 2;
size[1] = 2;
size[2] = 2;
IndexType start;
start.Fill( 0 );
RegionType region;
region.SetIndex( start );
region.SetSize( size );
zeroImage->SetRegions( region );
oneImage->SetRegions( region );
twoImage->SetRegions( region );
zeroImage->Allocate();
oneImage->Allocate();
twoImage->Allocate();
zeroImage->FillBuffer( 29 );
oneImage->FillBuffer( 51 );
twoImage->FillBuffer( 83 );
filter->SetInput1( zeroImage );
filter->SetInput2( oneImage );
filter->SetInput3( twoImage );
try
{
filter->Update();
}
catch( itk::ExceptionObject & excp )
{
std::cerr << "Exception caught !" << std::endl;
std::cerr << excp << std::endl;
return EXIT_FAILURE;
}
typedef FilterType::OutputImageType OutputImageType;
OutputImageType::Pointer threeVectorImage = filter->GetOutput();
typedef itk::ImageRegionIterator<OutputImageType> OutputIterator;
typedef itk::ImageRegionIterator<InputImageType> InputIterator;
InputIterator i0( zeroImage, region );
InputIterator i1( oneImage, region );
InputIterator i2( twoImage, region );
OutputIterator ot( threeVectorImage, region );
i0.GoToBegin();
i1.GoToBegin();
i2.GoToBegin();
ot.GoToBegin();
typedef OutputImageType::PixelType OutputPixelType;
while( !ot.IsAtEnd() )
{
OutputPixelType outp = ot.Get();
if( i0.Get() != outp[0] )
{
std::cerr << "Error in zeroth component" << std::endl;
return EXIT_FAILURE;
}
if( i1.Get() != outp[1] )
{
std::cerr << "Error in first component" << std::endl;
return EXIT_FAILURE;
}
if( i2.Get() != outp[2] )
{
std::cerr << "Error in second component" << std::endl;
return EXIT_FAILURE;
}
++ot;
++i0;
++i1;
++i2;
}
std::cout << "Test Passed !" << std::endl;
return EXIT_SUCCESS;
}
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