Fuhua (Frank) Cheng                           _/        _/  _/     _/
 Graphics & Geometric Modeling Lab             _/        _/  _/    _/
 Dept of Computer Science                      _/        _/  _/   _/
 University of Kentucky                        _/        _/  _/  _/
 Lexington, KY 40506-0046                      _/        _/  _/_/_/
 Email: cheng@cs.engr.uky.edu                  _/        _/  _/   _/
 WWW: http://www.cs.engr.uky.edu/~cheng/       _/        _/  _/    _/
      http://www.csr.uky.edu/GeoWebCad/ (Lab)  _/        _/  _/     _/
 Phone: (859) 257-6760  Fax: (859) 323-1971    _/_/_/_/_/_/  _/      _/