xscreensaver(1)

NAME

interference - decaying sinusoidal waves

SYNOPSIS

interference   [-display   host:display.screen]   [-visual
visual] [-window] [-root] [-count number] [-gridsize  num_
ber]  [-delay  number]  [-speed  number]  [-radius number]
[-ncolors number] [-color-shift number] [-no-db]

DESCRIPTION

Another color-field hack, this one works by computing
decaying sinusoidal waves, and allowing them to interfere
with each other as their origins move.

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.

-count number

Number of Waves. 0 - 20. Default: 3.

-gridsize number

Magnification. 1 - 20. Default: 4.

-delay number

Per-frame delay, in microseconds. Default: 30000
(0.03 seconds.).

-speed number

Wave Speed. 1 - 100. Default: 30.

-radius number

Wave Size. 50 - 1500. Default: 800.

-ncolors number

Number of Colors. Default: 128.

-color-shift number

Color Contrast. 0 - 100. Default: 60.

-db | -no-db

Whether to double buffer.

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_MAN
AGER property.

SEE ALSO

X(1), xscreensaver(1)

COPYRIGHT

Copyright © 2002 by Hannu Mallat. 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

Hannu Mallat.

X Version 11 XScreenSaver(1)