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+.\" This man page was generated by the Netpbm tool 'makeman' from HTML source.
+.\" Do not hand-hack it!  If you have bug fixes or improvements, please find
+.\" the corresponding HTML page on the Netpbm website, generate a patch
+.\" against that, and send it to the Netpbm maintainer.
+.TH "Ppmspread User Manual" 0 "06 March 2021" "netpbm documentation"
+
+.SH NAME
+
+ppmspread - displace a PPM image's pixels by a random amount
+
+.UN synopsis
+.SH SYNOPSIS
+
+\fBppmspread\fP \fIamount\fP [\fIppmfile\fP]
+[\fB-randomseed=\fP\fIinteger\fP]
+
+
+.UN description
+.SH DESCRIPTION
+.PP
+This program is part of
+.BR "Netpbm" (1)\c
+\&.
+.PP
+\fBppmspread\fP reads a PPM image as input and moves every pixel
+around a random bit relative to its original position. \fIamount\fP
+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 \fIpnmconvol\fP).
+.PP
+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.
+
+
+.UN options
+.SH OPTIONS
+.PP
+In addition to the options common to all programs based on libnetpbm
+(most notably \fB-quiet\fP, see 
+.UR index.html#commonoptions
+ Common Options
+.UE
+\&), \fBppmspread\fP recognizes the following
+command line options:
+
+
+  
+.TP
+\fB-randomseed=\fP\fIinteger\fP
+This is the seed for the random number generator that generates the
+pixels.
+.sp
+Use this to ensure you get the same image on separate invocations.
+.sp
+This option was new in Netpbm 10.94 (March 2021).
+
+
+
+  
+.UN seealso
+.SH SEE ALSO
+.BR "ppm" (1)\c
+\&, 
+.BR "pnmconvol" (1)\c
+\&
+
+.UN author
+.SH AUTHOR
+
+Copyright (C) 1993 by Frank Neumann
+.SH DOCUMENT SOURCE
+This manual page was generated by the Netpbm tool 'makeman' from HTML
+source.  The master documentation is at
+.IP
+.B http://netpbm.sourceforge.net/doc/ppmspread.html
+.PP
+\ No newline at end of file