Copyright 1993-2004 University Corporation for Atmospheric Research/Unidata

Portions of this software were developed by the Unidata Program at the 
University Corporation for Atmospheric Research.

Access and use of this software shall impose the following obligations
and understandings on the user. The user is granted the right, without
any fee or cost, to use, copy, modify, alter, enhance and distribute
this software, and any derivative works thereof, and its supporting
documentation for any purpose whatsoever, provided that this entire
notice appears in all copies of the software, derivative works and
supporting documentation.  Further, UCAR requests that the user credit
UCAR/Unidata in any publications that result from the use of this
software or in any product that includes this software, although this
is not an obligation. The names UCAR and/or Unidata, however, may not
be used in any advertising or publicity to endorse or promote any
products or commercial entity unless specific written permission is
obtained from UCAR/Unidata. The user also understands that
UCAR/Unidata is not obligated to provide the user with any support,
consulting, training or assistance of any kind with regard to the use,
operation and performance of this software nor to provide the user
with any updates, revisions, new versions or "bug fixes."

THIS SOFTWARE IS PROVIDED BY UCAR/UNIDATA "AS IS" AND ANY EXPRESS OR
IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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WITH THE ACCESS, USE OR PERFORMANCE OF THIS SOFTWARE.