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Ppmspread User Manual(0) Ppmspread User Manual(0)
NAME
ppmspread - displace a PPM image's pixels by a random amount
SYNOPSIS
ppmspread amount [ppmfile]
DESCRIPTION
This program is part of Netpbm(1).
ppmspread reads a PPM image as input and moves every pixel around a
random bit relative to its original position. amount determines by how
many pixels a pixel is to be moved around at most.
Pictures processed with this filter will seem to be somewhat dissolved
or unfocussed (although they appear more coarse than images processed
by something like pnmconvol).
The randomness in the image is limited before Netpbm 10.37 (December
2006) -- if you run the program twice in the same second, you may get
identical output.
SEE ALSO
ppm(5), pnmconvol(1)
AUTHOR
Copyright (C) 1993 by Frank Neumann
DOCUMENT SOURCE
This manual page was generated by the Netpbm tool 'makeman' from HTML
source. The master documentation is at
http://netpbm.sourceforge.net/doc/ppmspread.html
netpbm documentation 20 November 2008 Ppmspread User Manual(0)
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