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TIFFSET(1)                        libtiff                        TIFFSET(1)
                             November 21, 2004



NAME
     tiffset - set a field in a TIFF header

SYNOPSIS
     tiffset [ options ] filename.tif

DESCRIPTION
     Tiffset sets the value of a TIFF header to a specified value.

OPTIONS
     -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.

EXAMPLES
     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

SEE ALSO
     tiffdump(1), tiffinfo(1), tiffcp(1), libtiff(3TIFF)

     Libtiff library home page: http://www.remotesensing.org/libtiff/









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