After more investigation noticed that the military facilities on OSM
that don't have name, also don't have a name on DJI also. If you search
on OSM the name of the facility based on DJI info they match... wonder why
Few users reporting that the geometry don't match in some countries (i
presume they simplified the geometry in polygon with X ammount of
vertices) or they have used other data. Compared the data from 10 EU
countries and they all match OSM.
More evidence ( compare the geometries and the coordinates of the vertices):
Wrong military base name (in English)
OSM https://www.openstreetmap.org/way/555214494/history
DJI https://screenshots.firefox.com/md51uwmdBUjSEtlI/www.dji.com
Portugal
This Maritime Police station is wrongly tagged on OSM... is also on DJI
https://www.openstreetmap.org/way/444420317/history#map=19/39.42995/-9.22504&layers=N
DJI has it https://screenshots.firefox.com/CBdSziw1bg9Z58Fc/www.dji.com
OTAN terminal https://www.openstreetmap.org/way/177395459/history
DJI exact same polygon
https://screenshots.firefox.com/LZKssfpGkmjULviX/www.dji.com
Spain
https://www.openstreetmap.org/way/32635137#map=18/43.45274/-3.84917
DJI https://screenshots.firefox.com/589CWyXHvrolF7Fy/www.dji.com
France
https://www.openstreetmap.org/way/365823093
<https://www.openstreetmap.org/way/365823093>
DJI https://screenshots.firefox.com/K42sB4B5DalFx2Sr/www.dji.com
Germany
https://www.openstreetmap.org/way/50156264
DJI https://screenshots.firefox.com/LzMBa9Jx0mvidAGP/www.dji.com
Hungary - Notice the divisions betweent the different military facilties
that are split...same on DJI
https://www.openstreetmap.org/way/116800250/history
DJI https://screenshots.firefox.com/vO7anIZe5EEJADcQ/www.dji.com
Às 11:42 de 19/03/2019, Nuno Caldeira escreveu:
I don't see other data than airports in Taiwan. As I mentioned on the
initial, I'm talking about the military facilities and prisons, not
airports. China also don't have military facilities on their map,
being a Chinese company they probably filtered it.
A terça, 19/03/2019, 11:28, Dennis Raylin Chen <[email protected]
<mailto:[email protected]>> escreveu:
Not in Taiwan.
They just use the data release by the authorities. No data from
OpenStreetMap.
Dennis
On Tue, Mar 19, 2019 at 6:55 AM Nuno Caldeira
<[email protected]
<mailto:[email protected]>> 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...
Check yourself, head to https://www.dji.com/pt/flysafe/geo-map
select your country, zoom in and check the data. Airports
restriction areas seems not to be OSM data, but from other
source.
Share your examples if you will.
Again, sadly no attribution... tried to request via Twitter
https://twitter.com/iamnunocaldeira/status/1105897635796447235
.... silent as in moon why would they reply to a contributor
blah. The Pandora box has been opened with exceptions about
the attribution, if other don't attribute, why would they?
_______________________________________________
talk mailing list
[email protected] <mailto:[email protected]>
https://lists.openstreetmap.org/listinfo/talk
_______________________________________________
talk mailing list
[email protected]
https://lists.openstreetmap.org/listinfo/talk
