redhat man page for eruption

XScreenSaver(1) 					      General Commands Manual						   XScreenSaver(1)

NAME
       Eruption.

SYNOPSIS
       Eruption  [-display host:display.screen] [-visual visual] [-window] [-root] [-ncolors number] [-nParticles number] [-Heat number] [-Cooling
       number] [-Gravity number] [-delay number] [-cycles number]

DESCRIPTION
       This hack creates an eruption of pieces of hot volcanic	rock.	Ported	from  the  demo  effects  collection  (http://demo-effects.source-
       forge.net)

OPTIONS
       -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.

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

       -root   Draw on the root window.

       -ncolors number
	       Number of Colors.  Default: 256.

       -particles number
	       Number of Particles. Default: 300.

       -cooloff number
	       Eruption Cooloff. Default: 2.

       -heat number
	       Heat of Eruption. Default: 256.

       -gravity number
	       Gravity. Default: 1.

       -delay number
	       Per-frame delay, in microseconds.  Default: 5000 (0.01 seconds.).

       -cycles number
	       Duration.  10 - 3000.  Default: 80.

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)

COPYRIGHT
       Copyright (C) 2002-2003 by W.P. van Paassen.  Permission to use, copy, modify, distribute, and sell this software and its documentation for
       any purpose is hereby granted without fee, provided that the above copyright notice appear in all  copies  and  that  both  that  copyright
       notice and this permission notice appear in supporting documentation.  No representations are made about the	 suitability of this soft-
       ware for any purpose.  It is provided "as is" without express or implied warranty.

AUTHOR
       W.P. van Paassen

X Version 11															   XScreenSaver(1)