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Man Pages


Manual Reference Pages  -  CLOUDLIFE (6)

NAME

cloudlife - a cellular automaton based on Conway’s Life

CONTENTS

Synopsis
Description
Options
Environment
See Also
Copyright
Author

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 © 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 © 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.

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