[Qgis-psc] Proposal that QGIS.ORG will become a member of the OpenDesign Alliance

Vincent Picavet (ml) vincent.ml at oslandia.com
Wed Dec 16 02:38:53 PST 2015


Hi,


On 16/12/2015 11:03, Sandro Santilli wrote:
> On Wed, Dec 16, 2015 at 10:58:31AM +0100, Andreas Neumann wrote:
>> Hi Vincent,
>>
>> We are aware that you cannot mix/link QGIS/OGR/Teigha. For that
>> reason Jürgen proposed to write a separate application published
>> under a non-GPL based license (kind of a local server) that provides
>> the CAD data. QGIS would not link to Teigha directly, but this other
>> application would. QGIS would then connect to this service to get
>> access to the CAD data.
>>
>> This should work - otherwise you wouldn't be allowed to connect to
>> OWS services that are not provided by a GPL-based OWS server
>> software - which as far as I know is no problem.

Yes it works, no problem doing this as far as the licence is concerned.
You can have a network-based communication between processes, or
file-based communication, both do not trigger the share-alike clause of
the GPL.

> I think the main point in Vincet mail is about being perfectly
> legit to distribute binary QGIS versions linked against  LibreDWG
> as it'd make a GPL3 bundle.

Yes

The other point was to respond to Nathan about using Teigha in QGIS
through OGR, which is not an option licence-wise.

Vincent





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