NAME

       thornbird - Bird in a Thornbush fractal.

SYNOPSIS

       thornbird  [-display  host:display.screen]  [-visual  visual]  [-window]  [-root]  [-count
       number] [-cycles number] [-delay number] [-ncolors number] [-fps]

DESCRIPTION

       Displays a view of the "Bird in a Thornbush" fractal.

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
               Points.  10 - 1000.  Default: 800.

       -cycles number
               Thickness.  2 - 500.  Default: 16.

       -delay number
               Per-frame delay, in microseconds.  Default: 10000 (0.01 seconds.).

       -ncolors number
               Number of Colors.  Default: 64.

       -fps    Display the current frame rate and CPU load.

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 Tim Auckland.  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.

AUTHOR

       Tim Auckland.