https://www.openstreetmap.org/way/256012566#map=17/54.36535/20.56298 
<https://www.openstreetmap.org/way/256012566#map=17/54.36535/20.56298>
is also with the same geometry

Note that while it was published in official sources it was mapped with 
different geometry


Mar 19, 2019, 7:48 PM by [email protected]:

> 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 
> <https://www.openstreetmap.org/way/555214494/history>
>  DJI > https://screenshots.firefox.com/md51uwmdBUjSEtlI/www.dji.com 
> <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
>  
> <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 
> <https://screenshots.firefox.com/CBdSziw1bg9Z58Fc/www.dji.com>
>  
>  OTAN terminal > https://www.openstreetmap.org/way/177395459/history 
> <https://www.openstreetmap.org/way/177395459/history>
>  DJI exact same polygon > 
> https://screenshots.firefox.com/LZKssfpGkmjULviX/www.dji.com 
> <https://screenshots.firefox.com/LZKssfpGkmjULviX/www.dji.com>
>  
>  Spain
>  > https://www.openstreetmap.org/way/32635137#map=18/43.45274/-3.84917 
> <https://www.openstreetmap.org/way/32635137#map=18/43.45274/-3.84917>
>  DJI > https://screenshots.firefox.com/589CWyXHvrolF7Fy/www.dji.com 
> <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 
> <https://screenshots.firefox.com/K42sB4B5DalFx2Sr/www.dji.com>
>  
>  Germany
>  > https://www.openstreetmap.org/way/50156264 
> <https://www.openstreetmap.org/way/50156264>
>  DJI > https://screenshots.firefox.com/LzMBa9Jx0mvidAGP/www.dji.com 
> <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 
> <https://www.openstreetmap.org/way/116800250/history>
>  DJI > https://screenshots.firefox.com/vO7anIZe5EEJADcQ/www.dji.com
>   <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 
>>>> <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 
>>>> <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 
>>>> <https://lists.openstreetmap.org/listinfo/talk>
>>>>

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