Re: [Qgis-developer] QGIS SZIP.DLL Licensing?
What is the problem with distributing the szip.dll ? There is no agreement between qgis (or gdal) with szip/hdf group. My understanding of the info in this page http://www.hdfgroup.org/doc_resource/SZIP/ is: - In no circumstances a user can create hdf5 files with szip encoding within qgis. So far, only gtiff files are created within qgis. - 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. - 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. - 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 There is no GPL szip library, AFAIK. On Mon, Feb 3, 2014 at 3:15 PM, 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 > > > > ___ > Qgis-developer mailing list > Qgis-developer@lists.osgeo.org > http://lists.osgeo.org/mailman/listinfo/qgis-developer > ___ Qgis-developer mailing list Qgis-developer@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-developer
Re: [Qgis-developer] QGIS SZIP.DLL Licensing?
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. Thanks, Alex ___ Qgis-developer mailing list Qgis-developer@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-developer
[Qgis-developer] QGIS SZIP.DLL Licensing?
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 ___ Qgis-developer mailing list Qgis-developer@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-developer
