Provided by: xscreensaver-gl-extra_4.23-4ubuntu8_i386 bug


       extrusion - various rotating extruded shapes.


       extrusion  [-display  host:display.screen]  [-visual  visual] [-window]
       [-root] [-delay number] [-name which] [-no-light] [-wireframe] [-fps]


       Draws various rotating extruded shapes that twist around, lengthen, and
       turn inside out.


       -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:  10000  (0.01

       -name which
               Which object to draw.  Choices  are:  helix2,  helix3,  helix4,
               joinoffset, screw, taper, and twistoid.

       -light | -no-light
               Whether to light the scene, or use flat coloring.

       -bitmap file
               The texture map to use.

               Render in wireframe instead of solid.

       -fps | -no-fps
               Whether  to  show  a frames-per-second display at the bottom of
               the screen.


       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  ©  2002 by Linas Vepstas and David Konerding.  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.


       This screensaver was created by David Konerding from the  samples  that
       come with the GL Extrusion library by Linas Vepstas.