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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">That might work, I’ll check with our licensing people.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">The summary is:<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">-Szip in qgis is there for HDF5<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">-HDF5 does have a license for distribution of szip.dll with HDF products<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">-The HDF szip license permits all to use szip.dll for unpacking/decoding of HDF products.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">-QGIS only unpacks/decodes HDF5 with szip, it doesn’t have any functions implemented to pack/code.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Thanks!<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif""> Etienne Tourigny [mailto:etourigny.dev@gmail.com]
<br>
<b>Sent:</b> Monday, February 03, 2014 3:00 PM<br>
<b>To:</b> Moriarty, Mark F<br>
<b>Cc:</b> qgis-developer@lists.osgeo.org<br>
<b>Subject:</b> Re: [Qgis-developer] EXTERNAL: Re: QGIS SZIP.DLL Licensing?<o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Perhaps you do not understand why szip is included - it is there to be able to unpack hdf5 files with encoding - this cannot be replaced by 7zip.<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Also, from the page at <a href="http://www.hdfgroup.org/doc_resource/SZIP/">http://www.hdfgroup.org/doc_resource/SZIP/</a><o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">---<o:p></o:p></p>
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<p class="MsoNormal"><span style="font-family:"Arial","sans-serif";color:#009933">Licensing terms</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#383D44">The version of Szip distributed with HDF products is free for non-commercial use, which may occur in two sets of circumstances:</span><o:p></o:p></p>
<p class="MsoNormal" style="margin-left:0in;text-indent:-.25in;mso-list:l0 level1 lfo1">
<![if !supportLists]><span style="font-size:10.0pt;font-family:Symbol;color:#383D44"><span style="mso-list:Ignore">·<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#383D44">Non-commercial users may use the Szip software integrated with HDF products to both encode (compress) and decode (uncompress) data. This applies to
educational and research applications.<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:0in;text-indent:-.25in;mso-list:l0 level1 lfo1">
<![if !supportLists]><span style="font-size:10.0pt;font-family:Symbol;color:#383D44"><span style="mso-list:Ignore">·<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#383D44">Commercial users may use the software to decode any data. Further, they may use the software in internal activities that do not involve or result in
the development of an Szip-based software product.<o:p></o:p></span></p>
<p style="margin:0in;margin-bottom:.0001pt;line-height:13.5pt"><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#383D44">Commercial licenses are available for commercial users who wish to distribute an Szip-based software product or engage
in commercial uses that are not allowed above. For further licensing information or to view a copy of the Szip copyright statement, see <a href="http://www.hdfgroup.org/doc_resource/SZIP/Commercial_szip.html"><span style="color:#004466">Commercial use terms
and the copyright and license notice</span></a> pertaining to Szip in HDF products.<o:p></o:p></span></p>
<p style="mso-margin-top-alt:12.0pt;margin-right:0in;margin-bottom:12.0pt;margin-left:0in;line-height:13.5pt">
<span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#383D44">---<o:p></o:p></span></p>
<p style="mso-margin-top-alt:12.0pt;margin-right:0in;margin-bottom:12.0pt;margin-left:0in;line-height:13.5pt">
<span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#383D44">Also from this page <a href="http://www.hdfgroup.org/doc_resource/SZIP/Commercial_szip.html">http://www.hdfgroup.org/doc_resource/SZIP/Commercial_szip.html</a><o:p></o:p></span></p>
<p style="mso-margin-top-alt:12.0pt;margin-right:0in;margin-bottom:12.0pt;margin-left:0in;line-height:13.5pt">
<span style="font-size:13.5pt;color:black">Commercial users may use the Szip software integrated with HDF to decode data and for internal activities that do not involve or result in the development of an Szip-based software product.</span><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#383D44"><o:p></o:p></span></p>
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<span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#383D44"><o:p> </o:p></span></p>
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<p class="MsoNormal">It seems to me that it is OK (without permission) to use szip for 1) any non-commercial use and 2) commercial use with decoding only.<o:p></o:p></p>
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<p class="MsoNormal">As I have stated, qgis does no allow to encode any hf5 files with szip encoding, so any commercial use would also be ok<o:p></o:p></p>
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<p class="MsoNormal">Now perhaps I do not understand the wording there, as I am not a lawyer.<o:p></o:p></p>
</div>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt"><o:p> </o:p></p>
<div>
<p class="MsoNormal">On Mon, Feb 3, 2014 at 5:22 PM, Moriarty, Mark F <<a href="mailto:mark.f.moriarty@lmco.com" target="_blank">mark.f.moriarty@lmco.com</a>> wrote:<o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Szip is not released under GPL, has patents, is restricted licensing. It isn’t a classic FOSS package.
Here’s the license related to Szip use with HDF:</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:.5in">
<span style="font-size:10.0pt;font-family:"Courier New"">The SZIP Science Data Lossless Compression Program is Copyright (C) 2001 Science</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:.5in">
<span style="font-size:10.0pt;font-family:"Courier New"">& Technology Corporation @ UNM. All rights released. Copyright (C) 2003 Lowell</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:.5in">
<span style="font-size:10.0pt;font-family:"Courier New"">H. Miles and Jack A. Venbrux. Licensed to ICs, LLC, for distribution by the</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:.5in">
<span style="font-size:10.0pt;font-family:"Courier New"">University of Illinois' National Center for Supercomputing Applications as a</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:.5in">
<span style="font-size:10.0pt;font-family:"Courier New"">part of the HDF data storage and retrieval file format and software library</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:.5in">
<span style="font-size:10.0pt;font-family:"Courier New"">products package. All rights reserved. Do not modify or use for other</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:.5in">
<span style="font-size:10.0pt;font-family:"Courier New"">purposes.</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:.5in">
<span style="font-size:10.0pt;font-family:"Courier New""> </span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:.5in">
<span style="font-size:10.0pt;font-family:"Courier New"">SZIP implements an extended Rice adaptive lossless compression algorithm</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:.5in">
<span style="font-size:10.0pt;font-family:"Courier New"">for sample data. The primary algorithm was developed by R. F. Rice at</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:.5in">
<span style="font-size:10.0pt;font-family:"Courier New"">Jet Propulsion Laboratory.
</span><o:p></o:p></p>
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<span style="font-size:10.0pt;font-family:"Courier New""> </span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:.5in">
<span style="font-size:10.0pt;font-family:"Courier New"">SZIP embodies certain inventions patented by the National Aeronautics &</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:.5in">
<span style="font-size:10.0pt;font-family:"Courier New"">Space Administration. United States Patent Nos. 5,448,642, 5,687,255,</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:.5in">
<span style="font-size:10.0pt;font-family:"Courier New"">and 5,822,457 have been licensed to ICs, LLC, for distribution with the</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:.5in">
<span style="font-size:10.0pt;font-family:"Courier New"">HDF data storage and retrieval file format and software library products.</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:.5in">
<span style="font-size:10.0pt;font-family:"Courier New"">All rights reserved.</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:.5in">
<span style="font-size:10.0pt;font-family:"Courier New""> </span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:.5in">
<span style="font-size:10.0pt;font-family:"Courier New"">Revocable, royalty-free, nonexclusive sublicense to use SZIP decompression</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:.5in">
<span style="font-size:10.0pt;font-family:"Courier New"">software routines and underlying patents is hereby granted by ICs, LLC, to
</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:.5in">
<span style="font-size:10.0pt;font-family:"Courier New"">all users of and in conjunction with HDF data storage and retrieval file
</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:.5in">
<span style="font-size:10.0pt;font-family:"Courier New"">format and software library products.</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:.5in">
<span style="font-size:10.0pt;font-family:"Courier New""> </span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:.5in">
<span style="font-size:10.0pt;font-family:"Courier New"">Revocable, royalty-free, nonexclusive sublicense to use SZIP compression</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:.5in">
<span style="font-size:10.0pt;font-family:"Courier New"">software routines and underlying patents for non-commercial, scientific use</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:.5in">
<span style="font-size:10.0pt;font-family:"Courier New"">only is hereby granted by ICs, LLC, to users of and in conjunction with HDF
</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:.5in">
<span style="font-size:10.0pt;font-family:"Courier New"">data storage and retrieval file format and software library products.</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:.5in">
<span style="font-size:10.0pt;font-family:"Courier New""> </span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:.5in">
<span style="font-size:10.0pt;font-family:"Courier New"">For commercial use license to SZIP compression software routines and underlying
</span><o:p></o:p></p>
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<span style="font-size:10.0pt;font-family:"Courier New"">patents please contact ICs, LLC, at:
</span><o:p></o:p></p>
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<span style="font-size:10.0pt;font-family:"Courier New""> </span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:.5in">
<span style="font-size:10.0pt;font-family:"Courier New""> Joseph J. Feeley, Ph.D., P.E.</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:.5in">
<span style="font-size:10.0pt;font-family:"Courier New""> Chief Executive Officer</span><o:p></o:p></p>
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<span style="font-size:10.0pt;font-family:"Courier New""> ICs, LLC</span><o:p></o:p></p>
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<span style="font-size:10.0pt;font-family:"Courier New""> PO Box 2236</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:.5in">
<span style="font-size:10.0pt;font-family:"Courier New""> McCall, ID 83638</span><o:p></o:p></p>
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<span style="font-size:10.0pt;font-family:"Courier New""> </span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:.5in">
<span style="font-size:10.0pt;font-family:"Courier New""> Phone: (208) 315-0029</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:.5in">
<span style="font-size:10.0pt;font-family:"Courier New""> Email: <a href="mailto:Joe.Feeley@frontiernet.net" target="_blank">
Joe.Feeley@frontiernet.net</a></span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">I can’t legally use QGIS with SZip, unless there’s some kind of license to permit szip.dll distribution
with QGIS. For instance, HDF has permission for anyone, including commercial users (like me, as I work for a company, though we don’t directly use QGIS to generate $), to use szip decode functionality.</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Possible ways out:</span><o:p></o:p></p>
<p><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">1)</span><span style="font-size:7.0pt;color:#1F497D">
</span><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> Obtain permission from Joe.Feeley to distribute szip with qgis, same terms as HDF – okay for everyone to use to decode, but commercial users (like me) aren’t permitted to
use its encode functionality. That’s fine, I can’t make new SZip zipfiles, but can get the unpack of them.</span><o:p></o:p></p>
<p><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">2)</span><span style="font-size:7.0pt;color:#1F497D">
</span><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Modify QGIS to not require szip. Make it an add-on applet, a plug-in, rather than something absolutely mandatory. Right now, qgis closes at startup if it doesn’t see a
working szip.dll.</span><o:p></o:p></p>
<p><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">3)</span><span style="font-size:7.0pt;color:#1F497D">
</span><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">A variant of (2), provide a dummy szip.dll, a “fake”, so qgis is happy.</span><o:p></o:p></p>
<p><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">4)</span><span style="font-size:7.0pt;color:#1F497D">
</span><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Another variant of (2), preferable to me, switch to permit use of some other, open distribution, zip, like 7zip. You would lose the SZip Rice lossless functionality, but
for a lot of basic bulk unpacking 7zip is fine.</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif""> Etienne Tourigny [mailto:<a href="mailto:etourigny.dev@gmail.com" target="_blank">etourigny.dev@gmail.com</a>]
<br>
<b>Sent:</b> Monday, February 03, 2014 2:00 PM<br>
<b>To:</b> Moriarty, Mark F<br>
<b>Cc:</b> <br>
<b>Subject:</b> EXTERNAL: Re: [Qgis-developer] QGIS SZIP.DLL Licensing?</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">What is the problem with distributing the szip.dll ? There is no agreement between qgis (or gdal) with szip/hdf group.<o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">My understanding of the info in this page <a href="http://www.hdfgroup.org/doc_resource/SZIP/" target="_blank">http://www.hdfgroup.org/doc_resource/SZIP/</a> is:<o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">- In no circumstances a user can create hdf5 files with szip encoding within qgis. So far, only gtiff files are created within qgis.<o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">- you are correct in stating that commercial products can use szip for decoding only, so it is OK for qgis to distribute the szip library.<o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">- as qgis is not a commercial product and does not allow to create szip-encoded hdf5 files, there is no need for any commercial licence. <o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">- if someone were to write software, based on qgis (and gdal), which sould create an szip-encoded hdf5 file, that entity would require a commercial licence<o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">There is no GPL szip library, AFAIK. <o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;margin-bottom:12.0pt"> <o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">On Mon, Feb 3, 2014 at 3:15 PM, Moriarty, Mark F <<a href="mailto:mark.f.moriarty@lmco.com" target="_blank">mark.f.moriarty@lmco.com</a>> wrote:<o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">Does QGIS have any license agreement related to SZIP use?<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">I’d like to use QGIS on a project, but we’re stuck on whether/how the szip.dll is licensed for use.<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">For example HDF specifically has a license page asserting permission to use szip in their distribution, so long as it is used within the context of their overall app. For a commercial
firm, the permission is just to decode, not to encode, but that is fine.<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">I tried just deleting/renaming the szip.dll, since we do not actually need the functionality for our use, but it appears to be tightly bound to the build – qgis errors-out if it
does not detect a proper, functioning, szip.dll on startup.<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">If there isn’t a license statement from the intellectual property owner allowing its use/distribution to decode with qgis, is it possible to include a user-controllable switch to
allow not including it, or to perhaps include a true GPL zip package, albeit losing the lossless functionality?<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">Thanks.<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="color:#888888"> </span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="color:#888888">Mark</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="color:#888888"> </span><o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
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