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gflux(6)		      XScreenSaver manual		      gflux(6)

NAME
       gflux - rippling	surface	graphics hack

SYNOPSIS
       gflux  [--display host:display.screen] [--window] [--root] [--window-id
       number][--install] [--visual visual] [--delay microseconds]  [--squares
       num] [--resolution num] [--mode mode] [--flat num] [--speed num]	[--ro-
       tationx	 num]	[--rotationy  num]  [--rotationz  num]	[--waves  num]
       [--waveChange num] [--waveHeight	num]  [--waveFreq  num]	 [--zoom  num]
       [--wireframe] [--fps]

DESCRIPTION
       The  gflux program draws	a colourfull animated rippling square rotating
       in 3D space.

OPTIONS
       gflux accepts the following options:

       --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.

       --install
	       Install a private colormap for the window.

       --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.

       --squares num
	       Specifies the size of the grid in squares. default 19

       --resolution num
	       Specifies the wireframe detail of the squares. default 4

       --mode mode
	       Specifies the draw method: wireframe; solid  (meaning  a	 solid
	       colored	surface);  light (same as solid, but with lighting ef-
	       fects); checker (a  texture-mapped  checkerboard	 pattern);  or
	       grab (meaning grab an image to manipulate.)

	       When  grabbing  images, the image will be grabbed from the por-
	       tion of the screen underlying the window, or from the  system's
	       video input, or from a random file on disk, as indicated	by the
	       grabDesktopImages,  grabVideoFrames, and	chooseRandomImages op-
	       tions in	the ~/.xscreensaver file; see xscreensaver-settings(1)
	       for more	details.

       --wireframe
	       Same as "-mode wire".

       --flat num
	       0 for smooth shading 1 for flat.	default	0

       --speed num
	       Specifies speed of ripples flowing over	the  surface.  default
	       0.05

       --rotationx num --rotationy num --rotationz num
	       Specifies the speed of rotation of the surface in these axis

       --waves num
	       Specifies the number of ripple centres at any one time.	Values
	       should be greater than 1.  default 3

       --waveChange num
	       Specifies  the  duration	 of  a ripple centre.  after this they
	       fade away to be reborn elsewhere	with  a	 different  frequency.
	       default 50

       --waveHeight num
	       Specifies the height of ripples on the surface. default 1.0

       --waveFreq num
	       Specifies the maximum frequency of ripples. default 3.0

       --zoom num
	       Specifies  the  size  of	 the viewport. Smaller values fill the
	       screen with rippling surface. default 1.0

       --delay microseconds
	       How long	to pause between frames.  Default is  20000,  or  0.02
	       second.

       --fps   Display the current frame rate, CPU load, and polygon count.

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)  xscreensaver-settings(1),   xscreensaver-getim-
       age(6)

COPYRIGHT
       Copyright  (C)  2000 by Josiah Pease.  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
       Josiah Pease <gflux@jpease.force9.co.uk>, 10-Jun-2000.

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

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