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NAME

       cloudlife - a cellular automaton based on Conway's Life

SYNOPSIS

       cloudlife    [-display    host:display.screen]    [-foreground   color]
       [-background  color]  [-window]  [-root]  [-mono]  [-install]  [-visual
       visual]  [-ncolors  integer] [-cycle-delay microseconds] [-cycle-colors
       integer][-cell-size  integer]  [-initial-density   integer]   [-max-age
       integer]

       [-fps]

DESCRIPTION

       The  cloudlife  program  draws  a  cellular automaton based on Conway's
       Life, except that cells have a maximum age, and only one pixel per cell
       is drawn every tick.

OPTIONS

       cloudlife accepts the following options:

       -window Draw on a newly-created window.  This is the default.

       -root   Draw on the root window.

       -mono   If on a color display, pretend we're on a monochrome display.

       -install
               Install a private colormap for the window.

       -visual visual
               Specify  which  visual  to use.  Legal values are the name of a
               visual class, or the id number (decimal or hex) of  a  specific
               visual.

       -cycle-delay integer
               Time in microseconds to sleep between ticks.  Default 25000.

       -cycle-colors integer
               How  many  ticks  should  elapse  between cycling colors.  0 to
               disable color cycling.  Default 2.

       -ncolors integer
               How many colors should be used (if possible).  Default 64.  The
               colors are chosen randomly.

       -cell-size integer
               Size of each cell, in powers of 2.  Default 3 (8-pixel cells).

       -initial-density integer
               Percentage  of cells that are alive at start and when the field
               is repopulated.  Default 30.

       -max-age integer
               Maximum age for a cell.  Default 64.

       -fps    Display the current frame rate and CPU load.

ENVIRONMENT

       DISPLAY to get the default host and display number.

       XENVIRONMENT
               to get the name of a resource file that  overrides  the  global
               resources stored in the RESOURCE_MANAGER property.

SEE ALSO

       X(1), xscreensaver(1), xlock(1)

COPYRIGHT

       Copyright  (C)  2003  by  Don  Marti.  Based on examples from the hacks
       directory  of  xscreensaver,  Copyright  (c)  1997,  1998,  2002  Jamie
       Zawinski <jwz@jwz.org>

       This  man  page based on the man page of sierpinski, Copyright (C) 1996
       by Desmond Daignault.

       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.

AUTHOR

       Don Marti <dmarti@zgp.org> 20 May 2003.