getFullTag | R Documentation |
Retrieves full tag value from IFDs (Image Field Directory) extracted by getIFD
.
getFullTag(IFD, which = 1, tag = "256", raw = FALSE)
IFD |
an object of class 'IFC_ifd_list' extracted by |
which |
scalar, integer (index) or the name of 'IFD' sub-element to extract 'tag' from. Default is 1 to extract 'tag' from the first member of 'IFD'. |
tag |
scalar, integer (index) or the name of the IFD[[which]] of the desired 'tag'. |
raw |
whether to return tag as a raw vector. Default is FALSE. |
It may be usefull to extract all information contained in a specific 'tag' since getIFD
is designed to be run with argument trunc_bytes so as to only extract essential bytes to run faster and save memory.
Nonetheless, thanks to getFullTag
users will still be able to get full extraction of specific tag.
the full value of the corresponding IFD tag.
TIFF 6.0 specifications archived from web https://web.archive.org/web/20211209104854/https://www.adobe.io/open/standards/TIFF.html
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