NAME

       interference - decaying sinusoidal waves

SYNOPSIS

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

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.

       --window-id number
               Draw on the specified window.

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

       --gridsize number
               Magnification. 1 - 20.  Default: 2.

       --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: 192.

       --color-shift number
               Color Contrast.  0 - 100.  Default: 60.

       --hue number
               Hue of the base color (0-360, as in HSV space.)  Default 0, meaning random.

       --db | --no-db
               Whether to double buffer.

       --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)

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.