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interference(6)		      XScreenSaver manual	       interference(6)

NAME
       interference - decaying sinusoidal waves

SYNOPSIS
       interference  [--display	host:display.screen] [--visual visual] [--win-
       dow] [--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 sinu-
       soidal 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 sec-
	       onds.).

       --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 (C) 2002 by Hannu Mallat.  Permission to use,	copy,  modify,
       distribute,  and	 sell this software and	its documentation for any pur-
       pose 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	repre-
       sentations are made about the suitability of this software for any pur-
       pose.  It is provided "as is" without express or	implied	warranty.

AUTHOR
       Hannu Mallat.

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

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