[Qgis-developer] EXTERNAL: Re: QGIS SZIP.DLL Licensing?

Moriarty, Mark F mark.f.moriarty at lmco.com
Mon Feb 3 11:24:27 PST 2014

Then can GDAL be disabled, without QGIS breaking completely?  When I tried deleting (renaming actually) szip.dll, qgis errored-out right at startup.


On 02/03/2014 09:15 AM, Moriarty, Mark F wrote:
> Does QGIS have any license agreement related to SZIP use?
> I'd like to use QGIS on a project, but we're stuck on whether/how the szip.dll is licensed for use.
> 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.
> 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.
> 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?
> Thanks.
> Mark

Are you sure this is a QGIS question and not a GDAL question?
I believe that is part of the GDAL method for reading HDF files.


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