GDCM 2.2.1

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MergeTwoFiles.cxx
/*=========================================================================
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.
=========================================================================*/
/*
* This example will show how one can read in two DICOM files, use the dataset
* from file1 and use image from file2 to save it in a 3rd file.
*
* Eg:
* MergeTwoFiles gdcmData/012345.002.050.dcm gdcmData/test.acr merge.dcm
*/
#include "gdcmReader.h"
#include "gdcmImageReader.h"
#include "gdcmImageWriter.h"
#include "gdcmWriter.h"
#include "gdcmDataSet.h"
#include "gdcmAttribute.h"
int main(int argc, char *argv[])
{
if( argc < 3 )
{
return 1;
}
const char *file1 = argv[1];
const char *file2 = argv[2];
const char *file3 = argv[3];
// Read file1
gdcm::ImageReader reader1;
reader1.SetFileName( file1 );
if( !reader1.Read() )
{
return 1;
}
// Read file2
gdcm::ImageReader reader2;
reader2.SetFileName( file2 );
if( !reader2.Read() )
{
return 1;
}
// Ok now let's take the DataSet from file1 and the Image from file2
// Warning: if file2 is -for example- a Secondary Capture Storage, then it has no
// Image Orientation (Patient) thus any Image Orientation (Patient) from file1
// will be discarded...
// let's be fancy. In case reader2 contains explicit, but reader1 is implicit
// we would rather see an implicit output
if( reader1.GetFile().GetHeader().GetDataSetTransferSyntax() == gdcm::TransferSyntax::ImplicitVRLittleEndian )
{
reader2.GetImage().SetTransferSyntax( gdcm::TransferSyntax::ImplicitVRLittleEndian );
}
gdcm::ImageWriter writer;
writer.SetFileName( file3 );
writer.SetFile( reader1.GetFile() );
// ImageWriter will always use all of gdcm::Image information an override anything wrong from
// reader1.GetFile(), including the Transfer Syntax
writer.SetImage( reader2.GetImage() );
gdcm::DataSet &ds = reader1.GetFile().GetDataSet();
// Make sure that SOPInstanceUID are different
// Simply removing it is sufficient as gdcm::ImageWriter will generate one by default
// if not found.
ds.Remove( gdcm::Tag(0x0008,0x0018) );
if( !writer.Write() )
{
return 1;
}
return 0;
}