// serious trouble : values differ in source and destination file
std::cout << "for gdcm DicomDir element (" << std::hex
<< e2->GetGroup() << "," <<e2->GetElement()
// serious trouble : values differ in source and destination file
std::cout << "for gdcm DicomDir element (" << std::hex
<< e2->GetGroup() << "," <<e2->GetElement()