// gdcm::File::IsReadable() is no usable here, because we deal with
// any kind of gdcm-Parsable *document*
// not only gdcm::File (as opposed to gdcm::DicomDir)
// gdcm::File::IsReadable() is no usable here, because we deal with
// any kind of gdcm-Parsable *document*
// not only gdcm::File (as opposed to gdcm::DicomDir)