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/*=========================================================================
Program: GDCM (Grassroots DICOM). A DICOM library
Copyright (c) 2006-2011 Mathieu Malaterre
All rights reserved.
See Copyright.txt or http://gdcm.sourceforge.net/Copyright.html 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 notice for more information.
=========================================================================*/
#include "gdcmReader.h"
#include "gdcmWriter.h"
#include "gdcmFile.h"
#include "gdcmOrientation.h"
#include "gdcmAttribute.h"
// Very simple orientation changer, fix invalid dataset
int main(int argc, char* argv[] )
{
// assume AXIAL input for now
if( argc < 3 )
{
std::cerr << argv[0] << " input.dcm output.dcm" << std::endl;
return 1;
}
const char *filename = argv[1];
const char *outfilename = argv[2];
gdcm::Reader reader;
reader.SetFileName( filename );
if (! reader.Read() )
{
return 1;
}
const double axial[] = { 1,0,0, 0,1,0 };
(void)axial;
const double coronal[] = { 0,0,1, 1,0,0 };
(void)coronal;
const double sagittal[] = { 0,1,0, 0,0,1 };
(void)sagittal;
gdcm::Attribute<0x0020,0x0032> at1; // IPP
(void)at1;
gdcm::Attribute<0x0020,0x0037> at2; // IOP
(void)at2;
gdcm::File & f = reader.GetFile();
gdcm::DataSet & ds = f.GetDataSet();
at1.SetFromDataSet( ds );
#if 0
at2.SetFromDataSet( ds );
const double * iop = at2.GetValues();
if( !std::equal(iop, iop + 6, axial ) )
{
gdcm::Orientation::OrientationType type = gdcm::Orientation::GetType ( iop );
std::cerr << "Wrong orientation: " << gdcm::Orientation::GetLabel( type ) << std::endl;
return 1;
}
at2.SetValues( sagittal );
ds.Replace( at2.GetAsDataElement() );
#endif
// for sagittal: swap element 0 & 2
const double tmp0 = at1.GetValue(0);
const double tmp2 = at1.GetValue(2);
(void)tmp2;
//at1.SetValue(tmp2, 0);
//at1.SetValue(tmp0, 2);
at1.SetValue( - tmp0 );
ds.Replace( at1.GetAsDataElement() );
gdcm::Writer writer;
writer.SetFile( f );
writer.SetFileName( outfilename );
if ( !writer.Write() )
{
return 1;
}
return 0;
}
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