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       twang - pluck pieces of the screen

       twang  [-display  host:display.screen]  [-foreground  color] [-background color] [-window]
       [-root] [-mono] [-install] [-visual visual] [-shm] [-no-shm] [-delay microseconds]  [-bor-
       der-color  color]  [-border-width  integer]  [-event-chance fraction] [-friction fraction]
       [-springiness fraction] [-tile-size integer] [-transference fraction]

       Twang divides the screen into equal-sized tiles, and then plucks  them  in  various  ways.
       Tiles are affected by their neighbors, so waves of motion flow through the grid. This man-
       page describes v1.3 of the program.

       twang accepts the following options:

       -window Draw on a newly-created window.	This is the default.

       -root   Draw on the root window.

       -mono   If on a color display, pretend we're on a monochrome display.

	       Install a private colormap for the window.

       -visual visual
	       Which visual to use.  Legal values are the name of a visual class, or the id  num-
	       ber (decimal or hex) of a specific visual.


       -no-shm Use  the  shared  memory extension (or not, respectively), if available.  This may
	       speed things up a bit, but probably won't make that much difference. If available,
	       defaults to true, resource useSHM.

       -delay microseconds
	       The interframe delay, in microseconds. Defaults to 10000, resource delay.

       -border-color color
	       Color of the border surrounding each tile. Defaults to blue, resource borderColor.

       -border-width integer
	       Width of the border surrounding each tile. Defaults to 3, resource borderWidth.

       -event-chance fraction
	       The chance, per iteration, for an event to occur (such as tweaking the orientation
	       of a tile), in the range 0..1. Defaults to 0.01, resource eventChance.

       -friction fraction
	       How much friction there is in the system, in the range 0..1.  This is  the  amount
	       by  which  velocities  are damped per iteration.  Defaults to 0.05, resource fric-

       -springiness fraction
	       How springy the tiles are, in the range 0..1.  This is the fraction of an orienta-
	       tion that gets turned into a velocity towards the center (resting point). Defaults
	       to 0.1, resource springiness.

       -tile-size integer
	       Size (width and height) of each tile, not including the outer edge of the  border.
	       Defaults to 120, resource tileSize.

       -transference fraction
	       How much a tile's neighbors affect it, in the range 0..1.  This is the fraction of
	       an orientation of a neighbor that gets turned into a velocity in the  same  direc-
	       tion Defaults to 0.025, resource transference.

       DISPLAY to get the default host and display number.

	       to  get	the name of a resource file that overrides the global resources stored in
	       the RESOURCE_MANAGER property.

       There are resource equivalents for each option, noted above.

       twang should have more interesting events.

       Ways of speeding it up need to be investigated. It's kinda sluggish,
	       especially on hugeass displays.


       Copyright (C) 2002 by Dan Bornstein. All rights reserved.

       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.

       Dan Bornstein <danfuzz@milk.com>.

X Version 11				   07-Feb-2002				  XScreenSaver(1)
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