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/*
//
// Copyright 2009-2010, 2013 SRI International
//
// This file is part of the Computational Morphometry Toolkit.
//
// http://www.nitrc.org/projects/cmtk/
//
// The Computational Morphometry Toolkit is free software: you can
// redistribute it and/or modify it under the terms of the GNU General Public
// License as published by the Free Software Foundation, either version 3 of
// the License, or (at your option) any later version.
//
// The Computational Morphometry Toolkit is distributed in the hope that it
// will be useful, but WITHOUT ANY WARRANTY; without even the implied
// warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License along
// with the Computational Morphometry Toolkit. If not, see
// <http://www.gnu.org/licenses/>.
//
// $Revision: 5436 $
//
// $LastChangedDate: 2018-12-10 19:01:20 -0800 (Mon, 10 Dec 2018) $
//
// $LastChangedBy: torstenrohlfing $
//
*/
#include "cmtkAffineXformITKIO.h"
#include <fstream>
#include <string>
#include <typeinfo>
void
cmtk::AffineXformITKIO
::Write( const std::string& filename, const AffineXform& affineXform )
{
std::ofstream stream( filename.c_str() );
if ( stream.good() )
{
// write header
stream << "#Insight Transform File V1.0\n";
Self::Write( stream, affineXform, 0 );
stream.close();
}
}
void
cmtk::AffineXformITKIO
::Write( std::ofstream& stream, const AffineXform& affineXform, const size_t idx )
{
stream << "# Transform " << idx << "\n";
// write ID depending on whether CMTK is using single or double precision floats for coordinates
if ( typeid( Types::Coordinate ) == typeid( double ) )
{
stream << "Transform: AffineTransform_double_3_3\n";
}
else
{
stream << "Transform: AffineTransform_float_3_3\n";
}
// write parameters, 3x3 transformation matrix first
stream << "Parameters: ";
for ( int i = 0; i < 3; ++i )
{
for ( int j = 0; j < 3; ++j )
{
stream << affineXform.Matrix[j][i] << " ";
}
}
// write translations
for ( int i = 0; i < 3; ++i )
{
stream << affineXform.Matrix[3][i] << " ";
}
// finish up with (all-zero) fixed parameters
stream << "\n"
<< "FixedParameters: 0 0 0\n";
}
cmtk::AffineXform::SmartPtr
cmtk::AffineXformITKIO
::Read( const std::string& filename )
{
std::ifstream stream( filename.c_str() );
if ( stream.good() )
{
std::string line;
std::getline( stream, line );
if ( line != "#Insight Transform File V1.0" )
return AffineXform::SmartPtr( NULL );
std::getline( stream, line );
if ( line != "# Transform 0" )
return AffineXform::SmartPtr( NULL );
std::getline( stream, line );
if ( line == "Transform: AffineTransform_double_3_3" || line == "Transform: AffineTransform_float_3_3" )
{
std::getline( stream, line, ' ' );
Types::Coordinate matrix[4][4] = { {0,0,0,0}, {0,0,0,0}, {0,0,0,0}, {0,0,0,1} };
for ( int i = 0; i < 3; ++i )
{
for ( int j = 0; j < 3; ++j )
{
stream >> matrix[j][i];
}
}
for ( int i = 0; i < 3; ++i )
{
stream >> matrix[3][i];
}
try
{
AffineXform::SmartPtr xform( new AffineXform( matrix ) );
xform->SetMetaInfo( META_SPACE, AnatomicalOrientationBase::SPACE_ITK );
return xform;
}
catch ( const AffineXform::MatrixType::SingularMatrixException& )
{
StdErr << "ERROR: singular matrix in cmtk::AffineXformITKIO::Read()\n";
}
}
}
return AffineXform::SmartPtr( NULL );
}
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