tiffset − set a field in a TIFF header
tiffset [ options ] filename.tif
Tiffset sets the value of a TIFF header to a specified value.
−s tagnumber [count] value ...
Set the value of the named tag to the value or values specified.
−sf tagnumber filename
Set the value of the tag to the contents of filename. This option is supported for ASCII tags only.
The following example sets the image description tag (270) of a.tif to the contents of the file descrip:
tiffset -sf 270 descrip a.tif
The following example sets the artist tag (315) of a.tif to the string "Anonymous":
tiffset -s 305 Anonymous a.tif
This example sets the resolution of the file a.tif to 300 dpi:
tiffset -s 296 2 a.tif
tiffset -s 282 300.0 a.tif
tiffset -s 283 300.0 a.tif
tiffdump(1), tiffinfo(1), tiffcp(1), libtiff(3TIFF)
Libtiff library home page: http://www.remotesensing.org/libtiff/