On Wed, 2012-09-05 at 10:35 +0000, Martin Spott wrote:
> Scott wrote:
> 
> >  So my question then is, what path is there to incorporate CC content
> > in scenery that must be GPL???
> 
> Under the "this is no legal advice"-clause I'd say it should allow
> derived works to be published under the GPL.

 All free advice worth every cent :)
 But more seriously, I'm no license guru, and you picked one of the main
points I'm not clear on, the original CC in this example is
"Share-alike" and "Derived works allowed with attribution".


> 
> BTW, I'm uncertain if we're having the same SRTM-1 in mind. The last
> time I looked at the a public source of SRTM-1, it's been very noisy. 

 This is actually the nice thing about the national SRTM data, it has
been "cleaned" by folks who have lots of other data to clean it up
properly. They also provide SRTM-3 with the same license and has also
gone through the same "cleaning" process.


> Aside from that you're probably not gaining much by using SRTM-1,
> because upon Terrain generation most of the elevation points remain
> unused anyway - even with SRTM-3.

Yeah, ok, but it equally applies to other data files one can find around
the place, many do seem to have CC license attached, things like texture
files (used on objects), and shapefiles. But if the "derived works"
allows it, what other points in a CC license would exclude it from GPL
inclusion.


many thanks
  S.



> 
> Cheers,
>       Martin.



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