GDCM: HelloWorld.cxx

GDCM 3.0.25

HelloWorld.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 is ... guess what this is for :)
*/
#include "gdcmReader.h"
#include "gdcmWriter.h"
#include "gdcmAttribute.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];
// Instantiate the reader:
gdcm::Reader 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 only 1 thing:
// It is a valid DICOM file (potentially an old ACR-NEMA 1.0/2.0 file)
// (Maybe, it's NOT a Dicom image -could be a DICOMDIR, a RTSTRUCT, etc-)
// The output of gdcm::Reader is a gdcm::File
gdcm::File &file = reader. GetFile();
// the dataset is the the set of element we are interested in:
gdcm::DataSet &ds = file. GetDataSet();
// Construct a static(*) type for Image Comments :
gdcm::Attribute<0x0020,0x4000> imagecomments;
imagecomments. SetValue( "Hello, World !" );
// Now replace the Image Comments from the dataset with our:
ds. Replace( imagecomments. GetAsDataElement() );
// Write the modified DataSet back to disk
gdcm::Writer writer;
writer. CheckFileMetaInformationOff(); // Do not attempt to reconstruct the file meta to preserve the file
// as close to the original as possible.
writer. SetFileName( outfilename );
writer. SetFile( file );
if( !writer. Write() )
{
std::cerr << "Could not write: " << outfilename << std::endl;
return 1;
}
return 0;
}
/*
* (*) static type, means that extra DICOM information VR & VM are computed at compilation time.
* The compiler is deducing those values from the template arguments of the class.
*/
gdcm::Attribute
Attribute class This class use template metaprograming tricks to let the user know when the template ...
Definition gdcmAttribute.h:86
gdcm::Attribute::SetValue
void SetValue(ArrayType v, unsigned int idx=0)
Definition gdcmAttribute.h:169
gdcm::Attribute::GetAsDataElement
DataElement GetAsDataElement() const
Definition gdcmAttribute.h:183
gdcm::DataSet
Class to represent a Data Set (which contains Data Elements)
Definition gdcmDataSet.h:56
gdcm::DataSet::Replace
void Replace(const DataElement &de)
Replace a dataelement with another one.
Definition gdcmDataSet.h:150
gdcm::File
a DICOM File
Definition gdcmFile.h:34
gdcm::File::GetDataSet
const DataSet & GetDataSet() const
Get Data Set.
Definition gdcmFile.h:57
gdcm::Reader
Reader ala DOM (Document Object Model)
Definition gdcmReader.h:54
gdcm::Reader::GetFile
const File & GetFile() const
Set/Get File.
Definition gdcmReader.h:72
gdcm::Reader::Read
virtual bool Read()
Main function to read a file.
gdcm::Reader::SetFileName
void SetFileName(const char *filename_native)
gdcm::Writer
Writer ala DOM (Document Object Model)
Definition gdcmWriter.h:49
gdcm::Writer::CheckFileMetaInformationOff
void CheckFileMetaInformationOff()
Definition gdcmWriter.h:71
gdcm::Writer::Write
virtual bool Write()
Main function to tell the writer to write.
gdcm::Writer::SetFile
void SetFile(const File &f)
Set/Get the DICOM file (DataSet + Header)
Definition gdcmWriter.h:66
gdcm::Writer::SetFileName
void SetFileName(const char *filename_native)
Set the filename of DICOM file to write:
gdcmAttribute.h
gdcmReader.h
gdcmWriter.h