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XScreenSaver(6x)                                              XScreenSaver(6x)



NAME
       cloudlife - a cellular automaton based on Conway's Life

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


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 dis-
               able color cycling.  Default 2.

       -cycle-colors integer
               How  many ticks should elapse between cycling colors.  0 to use
               just one color. Default 1.

       -ncolors integer
               How many colors should be used (if possible).  Default 32.  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.



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  Zawin-
       ski <jwzATjwz.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, pro-
       vided that the above copyright notice appear in  all  copies  and  that
       both  that  copyright  notice and this permission notice appear in sup-
       porting documentation.

AUTHOR
       Don Marti <dmartiATzgp.org> 20 May 2003.




X Version 11                  4.21 (01-Mar-2005)              XScreenSaver(6x)