Re: [OSM-talk-ie] Query on tracing townlands and dealing with changed lake levels and new boundaries
I guess the situation is different as the waterway changes in Ireland have not caused disputes. The townland boundaries that are set by the commision have not changed, but in osm we are changing them, and amending the boundaries to suit the map rather than the official boundary, Killian Driscoll Banting Postdoctoral Fellow Département d'anthropologie Université de Montréal umontreal.academia.edu/KillianDriscoll www.lithicsireland.ie ca.linkedin.com/in/killiandriscoll On 19 May 2015 at 08:42, Rory McCann r...@technomancy.org wrote: -BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Hi all, Just as an aside, this sort of waterways changing happens in many places. Ellis Island in New York (yes that one), is partially in the US state of New York, and partially in New Jersey, due to land reclaimation works and a dispute over the original treaty/contract between them. You can see the border of the original island in the administrative border on OSM: http://www.openstreetmap.org/#map=17/40.69880/-74.04098 Read more: http://en.wikipedia.org/wiki/Ellis_Island#State_sovereignty_dispute Rory On 14/05/15 23:10, Killian Driscoll wrote: I've been working on tracing townlands by Lough Conn, Mayo and don't know how to deal with some boundaries due to the drop in lake levels from drainage works. Here http://osm.org/go/etJ86lqw-?m= you can see that I've left out four townlands: Scotchfort, Cappanaglogh, Cloonygunnaun, and 'Cappanaglogh (Part Of): you can see that the latter is between Cappanaglogh, Cloonygunnaun, and with the lake level change and the inclusion of a previous island into the townland it's not clear how a new boundary should be drawn. A related issue is whether the boundaries should be redrawn at all here, or if the original pre-drainage works lake level boundary should be respected (I looked at Lough Gara and see that the tracing has followed the new lake level). The GIS townland layer I have used before has kept the original townland size and not changed the outline to match the 'new' lake level. I'd appreciate advice on this, Killian Driscoll Banting Postdoctoral Fellow Département d'anthropologie Université de Montréal umontreal.academia.edu/KillianDriscoll www.lithicsireland.ie ca.linkedin.com/in/killiandriscoll ___ Talk-ie mailing list Talk-ie@openstreetmap.org https://lists.openstreetmap.org/listinfo/talk-ie -BEGIN PGP SIGNATURE- Version: GnuPG v1 iQEcBAEBAgAGBQJVWy/KAAoJEOrWdmeZivv2ha4IAKNJCIhdX6/nYYg4QW08uj6M Kbi6fuwBqveSjuIbYr7XJmrJ/kmJg1aTTOne0EchySiFfCNvhwFnEhzC7sehw4aV sEmVwmmgwVWGxo/NCbfJfy8DqXHCnJTj774Ittwdg+svaGjxyrY4qXzPZwvZlqhU qwl8mYXqdN3YUNXGTEFFT761jtelwi2aYBA8rn9u7m/qt/BGz9zgHXb0heji+Lo2 dRa4EhDbs5ADaQeTYVFNRfeUxJvYYC0IGzM0gktZOvSb3sM1ctHi05yCGptm7+u7 25H0MAA7XiGhU4BlCJvnlYhw7zsDaof090cHQKvrYcXdkt9KQ+HcCOx4fRufJHU= =+S7B -END PGP SIGNATURE- ___ Talk-ie mailing list Talk-ie@openstreetmap.org https://lists.openstreetmap.org/listinfo/talk-ie ___ Talk-ie mailing list Talk-ie@openstreetmap.org https://lists.openstreetmap.org/listinfo/talk-ie
Re: [OSM-talk-ie] Query on tracing townlands and dealing with changed lake levels and new boundaries
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 killiandrisc...@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.diam...@gmail.com wrote: On 15 May 2015 at 20:49, Killian Driscoll killiandrisc...@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=54.0715mlon=-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@openstreetmap.org https://lists.openstreetmap.org/listinfo/talk-ie ___ Talk-ie mailing list Talk-ie@openstreetmap.org https://lists.openstreetmap.org/listinfo/talk-ie
Re: [OSM-talk-ie] Query on tracing townlands and dealing with changed lake levels and new boundaries
Thanks - Inishfale isn't a townland on the GIS layer I have (maybe an error with that layer?). I wasn't doubting Beggerin was a townland! Just looking for it: I found it on my GIS layer. 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 18:25, Donal Diamond donal.diam...@gmail.com wrote: You can check the online 1901 townland index (there is also a 1911 supplement at same site) and see Beggerin Island is listed: http://www.histpop.org/ohpr/servlet/PageBrowser?path=Browse/Census%20%28by%20date%29/1901/Irelandactive=yesmno=453tocstate=expandnewdisplay=sectionsdisplay=tablesdisplay=pagetitlespageseq=158 Inishfale/Inisfale is probably a townland as ARP and boundary is listed on the map sheets - it must be an omission from the townland indexes? D D On 15 May 2015 at 22:44, Killian Driscoll killiandrisc...@gmail.com wrote: 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 killiandrisc...@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.diam...@gmail.com wrote: On 15 May 2015 at 20:49, Killian Driscoll killiandrisc...@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=54.0715mlon=-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@openstreetmap.org https://lists.openstreetmap.org/listinfo/talk-ie ___ Talk-ie mailing list Talk-ie@openstreetmap.org https://lists.openstreetmap.org/listinfo/talk-ie ___ Talk-ie mailing list Talk-ie@openstreetmap.org https://lists.openstreetmap.org/listinfo/talk-ie ___ Talk-ie mailing list Talk-ie@openstreetmap.org https://lists.openstreetmap.org/listinfo/talk-ie
Re: [OSM-talk-ie] Query on tracing townlands and dealing with changed lake levels and new boundaries
You can check the online 1901 townland index (there is also a 1911 supplement at same site) and see Beggerin Island is listed: http://www.histpop.org/ohpr/servlet/PageBrowser?path=Browse/Census%20%28by%20date%29/1901/Irelandactive=yesmno=453tocstate=expandnewdisplay=sectionsdisplay=tablesdisplay=pagetitlespageseq=158 Inishfale/Inisfale is probably a townland as ARP and boundary is listed on the map sheets - it must be an omission from the townland indexes? D D On 15 May 2015 at 22:44, Killian Driscoll killiandrisc...@gmail.com wrote: 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 killiandrisc...@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.diam...@gmail.com wrote: On 15 May 2015 at 20:49, Killian Driscoll killiandrisc...@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=54.0715mlon=-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@openstreetmap.org https://lists.openstreetmap.org/listinfo/talk-ie ___ Talk-ie mailing list Talk-ie@openstreetmap.org https://lists.openstreetmap.org/listinfo/talk-ie ___ Talk-ie mailing list Talk-ie@openstreetmap.org https://lists.openstreetmap.org/listinfo/talk-ie
Re: [OSM-talk-ie] Query on tracing townlands and dealing with changed lake levels and new boundaries
Hi Killian, I'm trying to recall what was done in the past for this as I'm sure it's come up. To the best of my recollection, stick with the boundary markings as they exist on the map sheets. Dave On 14 May 2015 22:12, Killian Driscoll killiandrisc...@gmail.com wrote: I've been working on tracing townlands by Lough Conn, Mayo and don't know how to deal with some boundaries due to the drop in lake levels from drainage works. Here http://osm.org/go/etJ86lqw-?m= you can see that I've left out four townlands: Scotchfort, Cappanaglogh, Cloonygunnaun, and 'Cappanaglogh (Part Of): you can see that the latter is between Cappanaglogh, Cloonygunnaun, and with the lake level change and the inclusion of a previous island into the townland it's not clear how a new boundary should be drawn. A related issue is whether the boundaries should be redrawn at all here, or if the original pre-drainage works lake level boundary should be respected (I looked at Lough Gara and see that the tracing has followed the new lake level). The GIS townland layer I have used before has kept the original townland size and not changed the outline to match the 'new' lake level. I'd appreciate advice on this, Killian Driscoll Banting Postdoctoral Fellow Département d'anthropologie Université de Montréal umontreal.academia.edu/KillianDriscoll www.lithicsireland.ie ca.linkedin.com/in/killiandriscoll ___ Talk-ie mailing list Talk-ie@openstreetmap.org https://lists.openstreetmap.org/listinfo/talk-ie ___ Talk-ie mailing list Talk-ie@openstreetmap.org https://lists.openstreetmap.org/listinfo/talk-ie
Re: [OSM-talk-ie] Query on tracing townlands and dealing with changed lake levels and new boundaries
Sorry - that should be: Irish monuments are now appearing in townlands where they are not there officially according to the sites and monuments record. 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 16:54, Killian Driscoll killiandrisc...@gmail.com wrote: I guess it comes down to what we are doing here. By changing the boundary to match the new shoreline we are in effect changing the townland size, and also creating anomalies whereby e.g. Irish monuments are now appearing in townlands where there are not there officially according to the sites and monuments record. 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 16:45, moltonel 3x Combo molto...@gmail.com wrote: On 15/05/2015, Donal Diamond donal.diam...@gmail.com wrote: There's an earlier thread on topic here where conflicting advice was given ;-) https://lists.openstreetmap.org/pipermail/talk-ie/2014-October/000741.html So looks like it is worthwhile opening up the discussion where we can all agree on a common approach. I don't see many conflicts of opinion in that thread : * Brian was following the GSGS boundary but started the thread for enquiry * Conor suggested following the new shoreline instead * Dacor agreed to follow the new shoreline, based on IRC discussion * No reply from brian, I assume he followed Conor and Dacor's answers As for myself, before reviewing that old thread, the same follow the new shoreline principle was the one that appealed me most (don't like the idea of land that doesn't belong to a townland).. ___ Talk-ie mailing list Talk-ie@openstreetmap.org https://lists.openstreetmap.org/listinfo/talk-ie ___ Talk-ie mailing list Talk-ie@openstreetmap.org https://lists.openstreetmap.org/listinfo/talk-ie
Re: [OSM-talk-ie] Query on tracing townlands and dealing with changed lake levels and new boundaries
Some of the townlands did have their boundary updated, such as Rock Big in Wicklow (http://www.openstreetmap.org/#map=15/52.7749/-6.1459) , see http://www.irishstatutebook.ie/1994/en/si/0333.html . But that seems to be more of an exception than a rule. Personally I would put the boundary on the existing level of the lake but keep Inishfale with as much of the original boundary as possible. Maybe it's something that can be looked at again when all the townlands are mapped? Dafo From: killiandrisc...@gmail.com Date: Fri, 15 May 2015 15:49:33 -0400 To: talk-ie@openstreetmap.org Subject: Re: [OSM-talk-ie] Query on tracing townlands and dealing with changed lake levels and new boundaries Thanks, I've just read the earlier messages. For the most part it's not probematical to use the new lake level, but it does raise some anomalies. For example: 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=54.0715mlon=-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. ___ Talk-ie mailing list Talk-ie@openstreetmap.org https://lists.openstreetmap.org/listinfo/talk-ie
Re: [OSM-talk-ie] Query on tracing townlands and dealing with changed lake levels and new boundaries
On 15/05/2015, Donal Diamond donal.diam...@gmail.com wrote: There's an earlier thread on topic here where conflicting advice was given ;-) https://lists.openstreetmap.org/pipermail/talk-ie/2014-October/000741.html So looks like it is worthwhile opening up the discussion where we can all agree on a common approach. I don't see many conflicts of opinion in that thread : * Brian was following the GSGS boundary but started the thread for enquiry * Conor suggested following the new shoreline instead * Dacor agreed to follow the new shoreline, based on IRC discussion * No reply from brian, I assume he followed Conor and Dacor's answers As for myself, before reviewing that old thread, the same follow the new shoreline principle was the one that appealed me most (don't like the idea of land that doesn't belong to a townland).. ___ Talk-ie mailing list Talk-ie@openstreetmap.org https://lists.openstreetmap.org/listinfo/talk-ie
Re: [OSM-talk-ie] Query on tracing townlands and dealing with changed lake levels and new boundaries
I guess it comes down to what we are doing here. By changing the boundary to match the new shoreline we are in effect changing the townland size, and also creating anomalies whereby e.g. Irish monuments are now appearing in townlands where there are not there officially according to the sites and monuments record. 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 16:45, moltonel 3x Combo molto...@gmail.com wrote: On 15/05/2015, Donal Diamond donal.diam...@gmail.com wrote: There's an earlier thread on topic here where conflicting advice was given ;-) https://lists.openstreetmap.org/pipermail/talk-ie/2014-October/000741.html So looks like it is worthwhile opening up the discussion where we can all agree on a common approach. I don't see many conflicts of opinion in that thread : * Brian was following the GSGS boundary but started the thread for enquiry * Conor suggested following the new shoreline instead * Dacor agreed to follow the new shoreline, based on IRC discussion * No reply from brian, I assume he followed Conor and Dacor's answers As for myself, before reviewing that old thread, the same follow the new shoreline principle was the one that appealed me most (don't like the idea of land that doesn't belong to a townland).. ___ Talk-ie mailing list Talk-ie@openstreetmap.org https://lists.openstreetmap.org/listinfo/talk-ie ___ Talk-ie mailing list Talk-ie@openstreetmap.org https://lists.openstreetmap.org/listinfo/talk-ie
Re: [OSM-talk-ie] Query on tracing townlands and dealing with changed lake levels and new boundaries
Thanks. stick with the boundary markings as they exist on the map sheets: if you scan the lake edges of e.g. Lough Neagh, Gara, Derravaragh, Allen etc. that have lowered lake levels the traced townland boundaries all now match the new lake level, so I think the map sheets have been ignored and new boundaries have been drawn. Maybe others who have been tracing lakes with dropped lake levels can comment? 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 13:28, Dave Corley davecor...@gmail.com wrote: Hi Killian, I'm trying to recall what was done in the past for this as I'm sure it's come up. To the best of my recollection, stick with the boundary markings as they exist on the map sheets. Dave On 14 May 2015 22:12, Killian Driscoll killiandrisc...@gmail.com wrote: I've been working on tracing townlands by Lough Conn, Mayo and don't know how to deal with some boundaries due to the drop in lake levels from drainage works. Here http://osm.org/go/etJ86lqw-?m= you can see that I've left out four townlands: Scotchfort, Cappanaglogh, Cloonygunnaun, and 'Cappanaglogh (Part Of): you can see that the latter is between Cappanaglogh, Cloonygunnaun, and with the lake level change and the inclusion of a previous island into the townland it's not clear how a new boundary should be drawn. A related issue is whether the boundaries should be redrawn at all here, or if the original pre-drainage works lake level boundary should be respected (I looked at Lough Gara and see that the tracing has followed the new lake level). The GIS townland layer I have used before has kept the original townland size and not changed the outline to match the 'new' lake level. I'd appreciate advice on this, Killian Driscoll Banting Postdoctoral Fellow Département d'anthropologie Université de Montréal umontreal.academia.edu/KillianDriscoll www.lithicsireland.ie ca.linkedin.com/in/killiandriscoll ___ Talk-ie mailing list Talk-ie@openstreetmap.org https://lists.openstreetmap.org/listinfo/talk-ie ___ Talk-ie mailing list Talk-ie@openstreetmap.org https://lists.openstreetmap.org/listinfo/talk-ie ___ Talk-ie mailing list Talk-ie@openstreetmap.org https://lists.openstreetmap.org/listinfo/talk-ie
Re: [OSM-talk-ie] Query on tracing townlands and dealing with changed lake levels and new boundaries
I read that thread, I figured there was something about it before, just couldn't recall. If I'm honest, I think my opinion has changed from the one I originally stated in that thread on the basis that townland boundaries are changed through statutory instruments only (as far as I am aware). I'd welcome being corrected though especially in the context of what was mentioned in that previous thread with regards to how boundaries are treated where there is coastal erosion etc. It could well be that there's a set way of handling all these variations and we're meeting all of them presently or might need to modify some things a little. Would the smoothened boundary data from the CSO site give any indication? Dave On Fri, May 15, 2015 at 9:45 PM, moltonel 3x Combo molto...@gmail.com wrote: On 15/05/2015, Donal Diamond donal.diam...@gmail.com wrote: There's an earlier thread on topic here where conflicting advice was given ;-) https://lists.openstreetmap.org/pipermail/talk-ie/2014-October/000741.html So looks like it is worthwhile opening up the discussion where we can all agree on a common approach. I don't see many conflicts of opinion in that thread : * Brian was following the GSGS boundary but started the thread for enquiry * Conor suggested following the new shoreline instead * Dacor agreed to follow the new shoreline, based on IRC discussion * No reply from brian, I assume he followed Conor and Dacor's answers As for myself, before reviewing that old thread, the same follow the new shoreline principle was the one that appealed me most (don't like the idea of land that doesn't belong to a townland).. ___ Talk-ie mailing list Talk-ie@openstreetmap.org https://lists.openstreetmap.org/listinfo/talk-ie ___ Talk-ie mailing list Talk-ie@openstreetmap.org https://lists.openstreetmap.org/listinfo/talk-ie
Re: [OSM-talk-ie] Query on tracing townlands and dealing with changed lake levels and new boundaries
On 15 May 2015 at 20:49, Killian Driscoll killiandrisc...@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=54.0715mlon=-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@openstreetmap.org https://lists.openstreetmap.org/listinfo/talk-ie
Re: [OSM-talk-ie] Query on tracing townlands and dealing with changed lake levels and new boundaries
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.diam...@gmail.com wrote: On 15 May 2015 at 20:49, Killian Driscoll killiandrisc...@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=54.0715mlon=-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@openstreetmap.org https://lists.openstreetmap.org/listinfo/talk-ie ___ Talk-ie mailing list Talk-ie@openstreetmap.org https://lists.openstreetmap.org/listinfo/talk-ie
Re: [OSM-talk-ie] Query
Hey all, just to introduce myself here, I'm Condi on OSM (Conor), from Donegal and only started mapping about 6 months ago. I noticed that mapping activity around Letterkenny sky-rocketed a month ago from virtually a blank canvas to every detail imaginable - and it looks damn spectacular even if the source is questionable. On a side point, I spent an evening with keepright (http://keepright.ipax.at/) correcting errors around the county of Donegal, but it would take hours to sort errors in Letterkenny alone and the situation has since deteriorated big-time. Has anyone contacted the user yet? Hopefully the source is legitimate and not infringing any copyrights as the work done is a great boost. Regards, Conor ___ Talk-ie mailing list Talk-ie@openstreetmap.org http://lists.openstreetmap.org/listinfo/talk-ie
