[OSM-talk] DJI Fly SafeGEO ZONE MAP uses OSM data... without attribution

[Mike N]

On 3/18/2019 6:51 PM, Nuno Caldeira wrote:
> Was curious where DJI managed to get a worldwide DB of polygons of 
> military facilities and points of prisons, triple checked with a couple 
> of other users of OSM at Telegram and with polygons i added seven years 
> ago. Without a doubt its from OSM, the coordinates of the vertices 
> matches OSM perfectly. The names are also the same...

   Interesting in that the sites near me have used the boundary of the 
wall / fence instead of the surrounding and larger area identified with 
"amenity=prison".