eruption(6) XScreenSaver manual eruption(6)

NAME

Eruption - eruption of pieces of hot volcanic rock

SYNOPSIS

Eruption [--display host:display.screen] [--visual visual] [--window]
[--root] [--window-id number] [--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.

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.

--window-id number
Draw on the specified 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.

--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.

XSCREENSAVER_WINDOW
The window ID to use with --root.

SEE ALSO

X(1), xscreensaver(1),
https://demo-effects.sourceforge.net/

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

X Version 11 6.09 (07-Jun-2024) eruption(6)