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RedHat 9 (Linux i386) - man page for ppmspread (redhat section 1)

ppmspread(1)						      General Commands Manual						      ppmspread(1)

NAME
ppmspread - displace a portable pixmap's pixels by a random amount
SYNOPSIS
ppmspread amount [ppmfile]
DESCRIPTION
Reads a portable pixmap as input. Moves every pixel around a 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 pro- cessed by something like pnmconvol ).
SEE ALSO
ppm(5), pnmconvol(1)
AUTHOR
Copyright (C) 1993 by Frank Neumann 16 November 1993 ppmspread(1)