# TIFFSET

NAME
SYNOPSIS
DESCRIPTION
OPTIONS
EXAMPLES
SEE ALSO

## NAME

tiffset − set or unset a field in a TIFF header

## SYNOPSIS

tiffset [ options ] filename.tif

## DESCRIPTION

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

## 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.

−u tagnumber

Unset the tag.

## 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.simplesystems.org/libtiff/