Provided by: xscreensaver-data-extra_5.08-0ubuntu3_i386 bug
 

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] [-fps]
 

DESCRIPTION

        This  hack  creates an eruption of pieces of hot volcanic rock.  Ported
        from the demo effects collection (http://demo-effects.sourceforge.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  sec-
                onds.).
 
        -cycles number
                Duration.  10 - 3000.  Default: 80.
 
        -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.
        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 software
        for any purpose.  It is provided "as is"  without  express  or  implied
        warranty.
 

AUTHOR

        W.P. van Paassen