.TH ppmspread 1 "16 November 1993" .IX ppmspread .SH NAME ppmspread - displace a portable pixmap's pixels by a random amount .SH SYNOPSIS ppmspread .I amount .RI [ ppmfile ] .SH 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. .PP Pictures processed with this filter will seem to be somewhat dissolved or unfocussed (although they appear more coarse than images processed by something like .I pnmconvol ). .SH SEE ALSO ppm(5), pnmconvol(1) .SH AUTHOR Copyright (C) 1993 by Frank Neumann .\" Permission to use, copy, modify, and distribute this software and its .\" documentation for any purpose and without fee is hereby granted, provided .\" that the above copyright notice appear in all copies and that both that .\" copyright notice and this permission notice appear in supporting .\" documentation. This software is provided "as is" without express or .\" implied warranty