[OSM-talk-ie] Query on tracing townlands and dealing with changed lake levels and new boundaries

Killian Driscoll killiandriscoll at gmail.com
Fri May 15 21:44:47 UTC 2015


I can't see the orig OS maps here http://maps.openstreetmap.ie/oocmaps.html
for the Beggerin Island area. Are they available?

Killian Driscoll
Banting Postdoctoral Fellow
Département d'anthropologie
Université de Montréal

umontreal.academia.edu/KillianDriscoll
www.lithicsireland.ie
ca.linkedin.com/in/killiandriscoll

On 15 May 2015 at 17:36, Killian Driscoll <killiandriscoll at gmail.com> wrote:

> I guess the point is 'Inishfale Island' was never an official townland (at
> least the name doesn't turn up on the online databases, I don't have access
> to the print copy): the sites and monuments record uses 'Inisfale Island'
> as the name. Is/was Beggerin Island a townland?
>
> Killian Driscoll
> Banting Postdoctoral Fellow
> Département d'anthropologie
> Université de Montréal
>
> umontreal.academia.edu/KillianDriscoll
> www.lithicsireland.ie
> ca.linkedin.com/in/killiandriscoll
>
> On 15 May 2015 at 17:25, Donal Diamond <donal.diamond at gmail.com> wrote:
>
>> On 15 May 2015 at 20:49, Killian Driscoll <killiandriscoll at gmail.com>
>> wrote:
>>
>> >
>> > At the SW side of Lough Allen the pre-drainage scheme lake level
>> contained
>> > an island called Inishfale Island with the townland of Derrynadooey to
>> the
>> > west. This contains a national monument RO002-028 (
>> > http://webgis.archaeology.ie/NationalMonuments/FlexViewer/) which is
>> > listed
>> > as townland: Inishfale Island; you can see that the map the national
>> > monuments is using respects the pre-drainage shoreline townland outline.
>> > The traced townland on the osm
>> >
>> >
>> http://www.openstreetmap.org/?mlat=54.0715&mlon=-8.0517#map=16/54.0715/-8.0517
>> > of Derrnadooey now subsumes Inishfale Island, so the official sites and
>> > monuments record (which was incorrect, as there is no such townland as
>> > Insihfale Island) now conflicts with the townland name provided by osm.
>> >
>>
>> This is resolvable  -  the island still exists as a townland.
>>
>> What you do is:
>>
>> 1) Create 'Inishfale Island' townland as normal (with way(s) as role
>> outer)
>> 2) add the way(s) of 'Inishfale Island' to Derrnadooey with role inner,
>> this creates a hole in Derrnadooey
>>
>> For example here's Beggerin Island which was an island before  drainage
>> created the Slobs in Wexford
>>
>> http://www.townlands.ie/wexford/shelmaliere-east/north-west-slob/
>> http://www.townlands.ie/wexford/shelmaliere-east/beggerin-island/
>>
>> Hope this helps
>>
>> D
>> _______________________________________________
>> Talk-ie mailing list
>> Talk-ie at openstreetmap.org
>> https://lists.openstreetmap.org/listinfo/talk-ie
>>
>
>


More information about the Talk-ie mailing list