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RedHat 9 (Linux i386) - man page for grav (redhat section 1)

XScreenSaver(1) 		     General Commands Manual			  XScreenSaver(1)

NAME
       grav - draws a simple orbital simulation

SYNOPSIS
       grav  [-display	host:display.screen]  [-foreground  color]  [-background color] [-window]
       [-root] [-mono] [-install]  [-visual  visual]  [-ncolors  integer]  [-delay  microseconds]
       [-count integer] [-decay] [-no-decay] [-trail] [-no-trail]

DESCRIPTION
       The grav program draws a simple orbital simulation

OPTIONS
       grav 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.

       -ncolors integer
	       How many colors should be used (if possible).  Default 200.  The colors are chosen
	       randomly.

       -count integer
	       Default 12.

       -decay

       -no-ecay
	       Whether orbits should decay.

       -trail

       -no-trail
	       Whether	the objects should leave trails behind them (makes it look vaguely like a
	       cloud-chamber.

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) 1993 by Greg Bowering.

       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
       Greg Bowering <gb@pobox.com>, 1993.

       Ability to run standalone or with xscreensaver  added  by  Jamie  Zawinski  <jwz@jwz.org>,
       10-May-97.

X Version 11				    10-May-97				  XScreenSaver(1)


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