                    Qhull, Copyright (c) 1993-1997

       The National Science and Technology Research Center for
        Computation and Visualization of Geometric Structures
                        (The Geometry Center)
                       University of Minnesota
                       1300 South Second Street
                      Minneapolis, MN  55454  USA

                       email: qhull@geom.umn.edu

This software is copyrighted as noted above.  It is free software and
may be obtained via anonymous ftp from geom.umn.edu.  It may be freely
copied, modified, and redistributed under the following conditions:

1. All copyright notices must remain intact in all files.

2. A copy of this file (COPYING.txt) must be distributed along with any
   copies which you redistribute; this includes copies which you have
   modified, or copies of programs or other software products which
   include this software.

3. If you modify this software, you must include a notice giving the
   name of the person performing the modification, the date of
   modification, and the reason for such modification.

4. When distributing modified versions of this software, or other
   software products which include this software, you must provide
   notice that the original source code may be obtained as noted
   above.

5. There is no warranty or other guarantee of fitness for this
   software, it is provided solely "as is".  Bug reports or fixes may
   be sent to qhull_bug@geom.umn.edu; the authors may or may not act
   on them as they desire.

