GDCM 2.2.1

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HelloVizWorld.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.
=========================================================================*/
/*
* Basic example for dealing with a DICOM file that contains an Image
* (read: Pixel Data element)
*/
#include "gdcmImageReader.h"
#include "gdcmImageWriter.h"
#include "gdcmImage.h"
#include "gdcmPhotometricInterpretation.h"
#include <iostream>
int main(int argc, char *argv[])
{
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];
// Instanciate the image reader:
gdcm::ImageReader reader;
reader.SetFileName( filename );
if( !reader.Read() )
{
std::cerr << "Could not read: " << filename << std::endl;
return 1;
}
// If we reach here, we know for sure 2 things:
// 1. It is a valid DICOM
// 2. And it contains an Image !
// The output of superclass gdcm::Reader is a gdcm::File
//gdcm::File &file = reader.GetFile();
// The other output of gdcm::ImageReader is a gdcm::Image
const gdcm::Image &image = reader.GetImage();
// Let's get some property from the image:
unsigned int ndim = image.GetNumberOfDimensions();
// Dimensions of the image:
const unsigned int *dims = image.GetDimensions();
// Origin
const double *origin = image.GetOrigin();
const gdcm::PhotometricInterpretation &pi = image.GetPhotometricInterpretation();
for(unsigned int i = 0; i < ndim; ++i)
{
std::cout << "Dim(" << i << "): " << dims[i] << std::endl;
}
for(unsigned int i = 0; i < ndim; ++i)
{
std::cout << "Origin(" << i << "): " << origin[i] << std::endl;
}
std::cout << "PhotometricInterpretation: " << pi << std::endl;
// Write the modified DataSet back to disk
gdcm::ImageWriter writer;
writer.SetImage( image );
writer.SetFileName( outfilename );
//writer.SetFile( file ); // We purposely NOT copy the meta information from the input
// file, and instead only pass the image
if( !writer.Write() )
{
std::cerr << "Could not write: " << outfilename << std::endl;
return 1;
}
return 0;
}