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 <[email protected]> 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 > > [email protected] https://lists.openstreetmap.org/listinfo/hot > > > -----BEGIN PGP SIGNATURE----- > Version: GnuPG v1.4.10 (GNU/Linux) > Comment: Using GnuPG with undefined - http://www.enigmail.net/ > > iQIcBAEBAgAGBQJWP7DwAAoJEB3niTly2pPQP+sP/2WFMgo990RaSG6ife1M10a/ > TyNPjyUBRTcx1S3dU6bmp30kpyqq2GwsQckKbvJ4yKPhVwWCtouERtpAQyuSfoOy > GUwyjVuCbwZLaAlszUi0xKomkFpHbBA7UDYLbIkzh7Ppi3wM6qQEWgOLw5hUHevS > QreoACoMPoShAH+K+I1g+tQpfy2T0vF7KdQTL14UnN1YrKNe4YWlwklj7K/Zr9jF > +Tpi3H8nKQE3Be7oHa+R5gYC7uKzae6dgsy2QrV0RZ257yYXCKbkPaDL8vRxvIVb > HsAZWiD+qMbwaXVQ1/uLucu8YuFZdIdn8N6Jtt/0NgMBYTiVvexc72lrS1fVtpkr > IvzuLohJueL4a0aNVNyxnRn31jJO32tAqESej2SWDRVJ7k8NQl+6l72Y8Y2foHpy > 6ZyI+dV1v0ktqHCKiAndbS7B9a56NezkOztoChYR5nJNmyCOZApD50NYJQCaapmp > Bh+sqPiu1RpWrTPwkRu5UCtPHfk3mCT+lu04+82xNZRcepDPJBuuUf5n4dVvAtjr > yilxbAZjkopOV/a6fIQ8jdJw4VhG2V79fUky37HvHvvEeWbmQCPwr7fwWo0h4oqj > X2SZgs4yjSfQjM/5Eztn7Fl7sewxwdRDHX8nW6H87TCGE+x2Vo9foQs3UQGTxVjz > TCA06fdas1+Ab7kSOYSa > =PcRn > -----END PGP SIGNATURE----- > > _______________________________________________ > HOT mailing list > [email protected] > https://lists.openstreetmap.org/listinfo/hot > -- sent from my mobile device Dale Kunce http://normalhabit.com
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