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/*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: itkImageIODirection3DTest.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 "itkImageFileReader.h"
#include "itkImageFileWriter.h"
#include "itkOrientedImage.h"
int itkImageIODirection3DTest( int ac, char * av[] )
{
if( ac < 11 )
{
std::cerr << "Usage: " << av[0]
<< " InputImage (9 direction cosines terms) "
<< "[outputImage]"
<< std::endl;
return EXIT_FAILURE;
}
const unsigned int Dimension = 3;
typedef unsigned char PixelType;
typedef itk::Image<PixelType, Dimension> ImageType;
typedef itk::ImageFileReader< ImageType > ReaderType;
ReaderType::Pointer reader = ReaderType::New();
reader->SetFileName( av[1] );
try
{
reader->Update();
}
catch (itk::ExceptionObject & e)
{
std::cerr << e << std::endl;
return EXIT_FAILURE;
}
ImageType::ConstPointer image = reader->GetOutput();
ImageType::DirectionType directionCosines = image->GetDirection();
std::cout << directionCosines << std::endl;
unsigned int element = 2;
const double tolerance = 1e-5;
for( unsigned int row=0; row < Dimension; ++row )
{
for( unsigned int col = 0; col < Dimension; ++col )
{
const double expectedValue = atof( av[ element++ ] );
const double currentValue = directionCosines[row][col];
const double difference = currentValue - expectedValue;
if( vnl_math_abs( difference ) > tolerance )
{
std::cerr << "Error: " << std::endl;
std::cerr << "Expected " << expectedValue << std::endl;
std::cerr << "Read " << currentValue << std::endl;
return EXIT_FAILURE;
}
}
}
if( ac > 11 )
{
typedef itk::ImageFileWriter< ImageType > WriterType;
WriterType::Pointer writer = WriterType::New();
writer->SetFileName( av[11] );
writer->SetInput( reader->GetOutput() );
try
{
writer->Update();
}
catch (itk::ExceptionObject & e)
{
std::cerr << e << std::endl;
return EXIT_FAILURE;
}
}
return EXIT_SUCCESS;
}
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