interference



XScreenSaver(1)                                                XScreenSaver(1)




NAME

       interference - decaying sinusoidal waves


SYNOPSIS

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


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.

       -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  sec-
               onds.).

       -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.

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

       -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_MANAGER 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  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                                                   XScreenSaver(1)

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