COPYRIGHT NOTICE

The Visibility Modeling Tool (VMT) is copyrighted software.

Copyright 2004 - 2009 California Institute of Technology.  Developed
with U. S. Government sponsorship under contract with the National 
Aeronautics and Space Administration.  All Rights Reserved.

Permission to use, copy and distribute this software and its documentation
for academic and/or research purposes, without fee and without a written 
agreement is hereby granted, provided that the above copyright notice, this 
paragraph and the following three paragraphs appear in all copies.  Reuse 
of all or part of the software contained here for commercial purposes is 
strictly prohibited.

The California Institute of Technology makes no proprietary claims to the 
results, prototypes, or systems supporting and/or necessary for the use of
the research, results and/or prototypes for academic and/or non-profit
research uses only.  However, to the extent that any software and system
built in collaboration with industry partners may incorporate proprietary
designs of the industry partners, it is possible that certain restrictions
may be imposed on the proprietary information

Results received from this tool are designed for non-profit, scientific or
experimental purposes only, and is an approximation based on information 
entered.  In no event shall California Institute of Technology be liable to
any party for direct, indirect, special, incidental or consequential damages,
including lost profits, arising out of the use of this software and its
documentation, even if the California Institute of Technology has been advised
of the possibility of such damage.

The California Institute of Technology specifically disclaims any warranties, 
including the implied warranties or merchantability and fitness for a
particular purpose. The software and documentation provided hereunder is on
an "as is" basis, and the California Institute of Technology has no
obligations to provide maintenance, support, updates, enhancements or 
modifications.