Provided by: xscreensaver-gl-extra_5.08-0ubuntu3_i386 bug


        cage - Escher's impossible cage, for xscreensaver.


        cage  [-display host:display.screen] [-visual visual] [-window] [-root]
        [-delay number] [-mono] [-wireframe] [-fps]


        This draws Escher's "Impossible Cage", a 3d analog of a moebius  strip,
        and rotates it in three dimensions.


        -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
        -window Draw on a newly-created window.  This is the default.
        -root   Draw on the root window.
        -delay number
                Per-frame  delay,  in  microseconds.  Default: 25000 (0.03 sec-
        -mono   Render solid instead of textured.
                Render in wireframe instead of textured.
        -fps    Display the current frame rate, CPU load, and polygon count.


        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.
        X(1), xscreensaver(1)


        Copyright (C) 2002 by Marcelo Vianna.  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.


        Marcelo Vianna.