[OSM-legal-talk] [OSM-talk] ODbL vs CC-by-SA pros and cons

Eugene Alvin Villar seav80 at gmail.com
Mon Aug 30 15:12:02 BST 2010


On Mon, Aug 30, 2010 at 3:29 PM, John Smith <deltafoxtrot256 at gmail.com>wrote:

> On 30 August 2010 17:24, Albertas Agejevas <alga at pov.lt> wrote:
> > Want an example of a use case DB integration?  Consider flight
> > simulators.  It would be good to have scenery generated by combining
> > data from OSM with data with satellite photos, models of buildings,
> > altitude data.  Brushing away integration with other databases makes
> > the possibility of having a single download of free scenery for
> > free flight sims combining all that data a lot less feasible.
>
> Which makes the assumption that those other sources of data can freely be
> mixed.
>

Which is not the point.

While OSM cannot control the license of those other imagery, DEM, and
building models, OSM can make it possible for its own data to be freely
mixed, which ODbL enables (due to the distinction between produced works and
derivative databases) and which CC-BY-SA cannot.
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