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/*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: itkVectorIndexSelectionCastImageFilterTest.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 <iostream>
#include "itkImage.h"
#include "itkVectorImage.h"
#include "itkImageFileReader.h"
#include "itkImageFileWriter.h"
#include "itkVectorIndexSelectionCastImageFilter.h"
int itkVectorIndexSelectionCastImageFilterTest(int argc, char * argv [] )
{
if( argc < 4 )
{
std::cerr << "itkVectorIndexSelectionCastImageFilterTest "
<< " InputVectorImage OutputScalarImage indexToExtract"
<< std::endl;
return EXIT_FAILURE;
}
typedef unsigned short InputPixelType;
typedef unsigned short OutputPixelType;
const unsigned int ImageDimension = 2;
typedef itk::VectorImage< InputPixelType, ImageDimension > InputImageType;
typedef itk::Image< OutputPixelType, ImageDimension > OutputImageType;
typedef itk::ImageFileReader< InputImageType > ReaderType;
typedef itk::ImageFileWriter< OutputImageType > WriterType;
ReaderType::Pointer reader = ReaderType::New();
WriterType::Pointer writer = WriterType::New();
reader->SetFileName( argv[1] );
writer->SetFileName( argv[2] );
typedef itk::VectorIndexSelectionCastImageFilter<
InputImageType,
OutputImageType> FilterType;
FilterType::Pointer filter = FilterType::New();
filter->SetInput( reader->GetOutput() );
writer->SetInput( filter->GetOutput() );
const unsigned int index = atoi( argv[3] );
filter->SetIndex( index );
try
{
writer->Update();
}
catch (itk::ExceptionObject& e)
{
std::cerr << "Exception detected: " << e;
return -1;
}
std::cout << "Test the exception if the index is too large" << std::endl;
InputImageType::ConstPointer inputImage = reader->GetOutput();
const unsigned int maximumIndex =
inputImage->GetNumberOfComponentsPerPixel();
filter->SetIndex( maximumIndex ); // this index is an invalid value;
bool exceptionCaught = false;
try
{
filter->Update();
}
catch ( itk::ExceptionObject& e )
{
std::cerr << "Exception caught as expected: " << e;
exceptionCaught = true;
}
if( !exceptionCaught )
{
std::cerr << "Failed to catch exception "
<< "when index is too large !!" << std::endl;
return EXIT_FAILURE;
}
std::cout << "Test PASSED ! " << std::endl;
return EXIT_SUCCESS;
}
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