[HOT] Admin Boundary Extraction Service

Sun Nov 8 23:16:12 UTC 2015

Hello,

What about Mapzen's boundary extract?
Format is GeoJSON.

https://mapzen.com/data/borders/

Regards,

2015-11-09 6:13 GMT+09:00 Dale Kunce <dale.kunce at gmail.com>:

> Samuel,
> There is this service I discovered a few days ago.
>
> https://osm.wno-edv-service.de/boundaries/
>
> Can't speak to its quality yet though.
>
> Dale
>
> On Sun, Nov 8, 2015 at 3:30 PM, Rafael Avila Coya <ravilacoya at gmail.com>
> wrote:
>
>> -----BEGIN PGP SIGNED MESSAGE-----
>> Hash: SHA1
>>
>> Hi, Samuel:
>>
>> Here you have an overpass query to get all boundary relations for all
>> states, LGA's and wards of Nigeria, with the admin_centre's and label
>> of each relation when available: http://overpass-turbo.eu/s/cxp
>>
>> If you want Nigeria country boundary relation too, just change "4|6|8"
>> by "2|4|6|8". In case you want for example only states and LGA's, just
>> do "4|6", and so on.
>>
>> In case you want only the boundaries for a certain state, you can use
>> this query (this example is for Kano state):
>> http://overpass-turbo.eu/s/cxt
>>
>> In case you don't want the admin_centre's nor labels nodes of any
>> relation, you have to run a different query. This one is for Kano:
>> http://overpass-turbo.eu/s/cxs
>>
>> Whenever possible, I advise to use area codes instead names. For
>> example, Niger is the name of a state in Central Nigeria, but it's
>> also the name of Nigerias north neighbour country: Niger.
>>
>> Getting the area code is simple: go to osm.org, search for the area
>> you are interested in (example Niger), get the relation id we want (in
>> our case, let's say we want Nigeria's Niger state relation id, so we
>> click in "State Boundary Niger, Nigeria" link, not in "country,
>> Niger"), and then we copy it's id (in our example 3718384), and we add
>> 3600000000 + 3718384 = 3603718384 to get the Niger state area code for
>> overpass queries: (area:3603718384)
>>
>> To avoid a query to overload your web browser, instead of hitting
>> "run" button, click in "Export" button instead. There, go to "Query"
>> and then click on "compact" in the "convert to (compact) OverpassQL"
>> link. That will open a new window with a compact OverpassQL link.
>> Click on it and it will make the query and download directly in your
>> file system the result of the query. For example, for the last example
>> query (Kano state boundaries without admin_centre's nor labels), the
>> link is like this one:
>>
>> http://overpass-api.de/api/interpreter?data=%5Btimeout%3A250%5D%3B%28relation%5B%22boundary%22%3D%22administrative%22%5D%5B%22admin%5Flevel%22%7E%224%7C6%7C8%22%5D%28area%3A3603710302%29%3B%29%2D%3E%2ErelBoundary%3B%28way%28r%2ErelBoundary%29%3B%29%2D%3E%2EwaysBoundary%3B%28node%28w%2EwaysBoundary%29%3B%29%2D%3E%2EnodesBoundary%3B%28%2ErelBoundary%3B%2EwaysBoundary%3B%2EnodesBoundary%3B%29%3Bout%20meta%3B%0A
>>
>> If you need any more sofisticated query, just let us know:
>>
>> Cheers,
>>
>> Rafael.
>>
>> On 08/11/15 12:00, Samuel Aiyeoribe wrote:
>> > Hello HOTties,
>> >
>> > Please does anyone know of a service for extracting/downloading
>> > OSM Admin Boundary that one can fork and host myself and also
>> > available on github.
>> >
>> > Looking forward to your reply.
>> >
>> > Cheers
>> >
>> > Samuel
>> >
>> >
>> > _______________________________________________ HOT mailing list
>> > HOT at openstreetmap.org https://lists.openstreetmap.org/listinfo/hot
>> >
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>>
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>>
>
>
>
> --
> sent from my mobile device
>
> Dale Kunce
> http://normalhabit.com
>
>
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>
>

-- 
Satoshi IIDA
mail: nyampire at gmail.com
twitter: @nyampire
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