[OSM-legal-talk] OSM roads in FLightGear Scenery
rob at robmyers.org
Fri Sep 12 20:02:16 BST 2008
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I am not a lawyer, this is not legal advice.
Martin Spott wrote:
> The FlightGear project has strong roots in the OpenSource tradition for
> more than ten years now, therefore most questioners have "limited
> appreciation" for license barriers within the OpenSource world.
Flightgear is GPL licensed. BY-SA is broadly comparable to the GPL.
> I'd to give you a rough idea about the process that builds the
> FlightGear Scenery. We have different sorts of vector data, mostly
> polygon landuse data either from the venerable VMap0 database, which
> covers the entire globe, automatically classified from Landsat7 images
> or simply hand-drawn. And we have some sources of line data, like the
The GPL doesn't cover non-executable data shipped with a piece of
software, and BY-SA data doesn't affect executables that operate on it.
So as long as you regard the BY-SA data as data separate from the
executable code of FlightGear, the licenses won't clash.
> Several people would be happy to see this sort of use getting
> considered within future license discussions and maybe also in the
> forming of a possibly revised OSM license. So, how are we supposed to
> proceed wrt. use of OSM roads in a GPL-licensed project ?
Just use them. But make sure any datasets that incorporate them are
- - Rob.
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