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eruption

Section: XScreenSaver manual (6)
Updated: 5.04 (13-Nov-2007)
Index Return to Main Contents
 

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.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 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 © 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


 

Index

NAME
SYNOPSIS
DESCRIPTION
OPTIONS
ENVIRONMENT
SEE ALSO
COPYRIGHT
AUTHOR




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