[OSM-talk-ie] Coastal Rocks and Boundaries

[Dave Corley]

Once you go off the coast a lot of the rules go out the window, so to
speak.

I know Cormac had a lot of trouble off the coast of Galway but got it
worked out in the end. He tried explaining it to me as I wanted to do a
video on coastline stuff but to be honest I was lost.

If he's on this list he might offer advice.

Dave
 On 10 Dec 2014 16:02, "Rory McCann" <rory at technomancy.org> wrote:

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> Hi Conor,
>
> On 07/12/14 10:40, Conor Jones wrote:
> > + County Donegal: http://www.openstreetmap.org/relation/283732 +
> > County Donegal: http://www.openstreetmap.org/relation/4085165
> > (seems to be 2 for each county?)
>
> Those 2 relations have different admin_levels. admin_level=6 is the
> "traditional"/"common" understanding of "county". i.e. there are 32 in
> the island of Ireland. admin_level=7 is for the things like "Dublin
> City Council"/"Fingal County Council", where as the admin_level=6
> would be "Co. Dublin".
>
> *But* in some places, there's no difference. So initially there was
> only the admin_level=6. But I think Boggedy started duplicating them
> to admin_level=7's. Which makes sense, if you think of the
> admin_level=7's as the county council areas.
>
> NB: county councils are changing soon, so this might change, I dunno.
> You can see admin_level's on this map: http://layers.openstreetmap.fr/
>
> > Should a sea-rock tagged as coastline be included in all the
> > above?
>
> If it's part of the "coastline" of Ireland, I'd say yes.
>
> > Then there's the newer boundaries currently being worked on...
> > townlands and parishes (and eventually baronies and ED's) What is
> > the consensus here? Should a sea-rock be included in the townland
> > and then the parish it would appear to be sitting of from? Some
> > larger rocks are actually marked with ARP data on the TCD sheets...
> > not necessarily as a townland but certainly recognised all the
> > same
>
> Small islands off the coast are not usually included in townlands,
> they are "townland-less". They often are in civil parishes and
> counties. Hence I'd presume rocks would be similar to townlands in
> this sense...
>
> Rory
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