.TH pnmspread 1 "27 November 1999" .IX pnmspread .SH NAME pnmspread - displace a portable anymap's xels by a random amount .SH SYNOPSIS pnmspread .I amount .RI [ pnmfile ] .SH DESCRIPTION Reads a portable anymap as input. Moves every xel around a bit relative to its original position. amount determines by how many xels a xel 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 pnmconvol(1), pbmplus(1) .SH AUTHOR Copyright (C) 1993, 1999 by Frank Neumann and Jef Poskanzer .\" 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