smush man page on DigitalUNIX

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SMUSH(1)							      SMUSH(1)

NAME
       smush - defocus an RLE image.

SYNOPSIS
       smush [ -m maskfile ] [ -n ] [ -o outfile ] [ levels ] [ infile ]

DESCRIPTION
       Smush  convolves an image with a 5x5 Gaussian mask, blurring the image.
       One may also provide a mask in a text file.  The file must  contain  an
       integer	to  specify the size of the square mask, followed by size*size
       floats.	The mask will be normalized (forced to sum to 1.0) unless  the
       -n flag is given.

       The  resulting  image  is the same size as the input image, no sub-sam‐
       pling takes place.  The levels option, which defaults to one, signifies
       the  number  of times which the image will be blurred.  Each successive
       blurring is done with a more spread out mask, so a smush of level 2  is
       blurrier	 than  piping  two level one smush calls.  If no input file is
       specified, smush reads from stdin.  If no output file is specified with
       -o it writes the result to stdout.

SEE ALSO
       avg4(1), urt(1), RLE(5).

AUTHOR
       Rod G. Bogart

BUGS
       Smush  should probably automatically generate different sized gaussians
       and other common filters.

4th Berkeley Distribution	March 15, 1987			      SMUSH(1)
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