LICENSE

Copyright (c) 1993-2018 Robert McNeel & Associates. All Rights Reserved.
Rhinoceros is a registered trademark of Robert McNeel & Associates.

THIS SOFTWARE IS PROVIDED "AS IS" WITHOUT EXPRESS OR IMPLIED
WARRANTY.  ALL IMPLIED WARRANTIES OF FITNESS FOR ANY PARTICULAR
PURPOSE AND OF MERCHANTABILITY ARE HEREBY DISCLAIMED.

The openNURBS toolkit uses zlib for mesh and bitmap compression.
The zlib source code distributed with openNURBS is a subset of what
is available from zlib.  The zlib code itself has not been modified.
See ftp://ftp.freesoftware.com/pub/infozip/zlib/zlib.html for more 
details.

Zlib has a generous license that is similar to the one for openNURBS.
The zlib license shown below was copied from the zlib web page
ftp://ftp.freesoftware.com/pub/infozip/zlib/zlib_license.html
on 20 March 2000.

    zlib.h -- interface of the 'zlib' general purpose compression library
    version 1.1.3, July 9th, 1998

    Copyright (C) 1995-1998 Jean-loup Gailly and Mark Adler

    This software is provided 'as-is', without any express or implied
    warranty.  In no event will the authors be held liable for any damages
    arising from the use of this software.

    Permission is granted to anyone to use this software for any purpose,
    including commercial applications, and to alter it and redistribute it
    freely, subject to the following restrictions:

    1. The origin of this software must not be misrepresented; you must not
       claim that you wrote the original software. If you use this software
       in a product, an acknowledgment in the product documentation would be
       appreciated but is not required.
    2. Altered source versions must be plainly marked as such, and must not be
       misrepresented as being the original software.
    3. This notice may not be removed or altered from any source distribution.

    Jean-loup Gailly        Mark Adler
    jloup@gzip.org          madler@alumni.caltech.edu


    The data format used by the zlib library is described by RFCs (Request for
    Comments) 1950 to 1952 in the files ftp://ds.internic.net/rfc/rfc1950.txt
    (zlib format), rfc1951.txt (deflate format) and rfc1952.txt (gzip format).