NAME

tiffset - set or unset a field in a TIFF header

SYNOPSIS

tiffset [ options ] filename.tif

Tiffset sets the value of a TIFF header to a specified value or removes an existing setting.

-d dirnumber: change the current directory (starting at 0).
-s tagnumber [ count ] value ...: Set the value of the named tag to the value or values specified.
-sd diroffset: change the current directory by offset.
-sf tagnumber filename: Set the value of the tag to the contents of filename. This option is supported for ASCII tags only.
-u tagnumber: Unset the tag.

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 315 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

Set the photometric interpretation of the third page of a.tif to min-is-black (ie. inverts it):

tiffset -d 2 -s 262 1 a.tif