[OSM-talk] administrative boundaries and is_in

[Gregory]

On 10/01/2008, Abigail Brady <morwen at evilmagic.org> wrote:
>
> On Jan 10, 2008 11:06 AM, Lester Caine <lester at lsces.co.uk> wrote:
>
> > Stephen Gower wrote:
> > > On Thu, Jan 10, 2008 at 10:11:35PM +1300, Robin Paulson wrote:
> > >> the boundary data should be relatively easy to come by
> > >
> > >   Not where it isn't marked on the ground, and is only defined by
> > >   reference to the Copyrighted national mapping.  The is the case in
> > >   many places in the UK.
> >
> > AND it is changed each year or so by the Boundary Commission :)
> >
>
> Administrative boundary changes (as opposed to electoral ones) are in fact
> relatively rare and usually make boundaries follow more easily identified
> features (for example, the external border of Greater London in many places
> now follows the M25, as opposed to the line of nearby ancient hedges which
> may or not be there any more).
>
> --
> Abi
>
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>
Is Greater London debatable or for a mapping/administritive meaning are you
counting the outside boundaries of the London Boroughs?

I personally do it by the London Transport zone, as your generally need a
10-12minute bus service so it feels like London. By friends in the next
suburb define Greater London by the M25, which would include them and lots
of fields.


-- 
Gregory
nomoregrapes at gmail.com
http://www.livingwithdragons.com
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