Re: [OSM-talk-ie] One townland spread across two different areas

2014-10-27 Thread Mark Tully
I had a similar issue with Ballyboughlin in Offaly.  See
http://maps.openstreetmap.ie/oocmaps.html?zoom=15lat=53.35462lon=-7.63757layers=BT
and http://www.openstreetmap.org/relation/4122877.

I elected to put both parts into the same relation, ensuring that each part
formed a complete loop in JOSM and marking them all as outers.  The second
section of Ballyboughlin (the Part of... section) was entirely surrounded
by Raheen (http://www.openstreetmap.org/relation/4122899), so I marked that
section as an inner in Raheen's relation.

I did it like this as it seemed like the most sensible method to me, but
maybe there's a better way to do it.

Mark

On Tue, Oct 28, 2014 at 12:35 AM, Conor Jones co...@malinbeg.com wrote:

 Hi folks,

 First off, great to be back on the mailing list and to see a very active,
 committed community alive and kicking

 I've started mapping townlands in SW Donegal - and while I went at it with
 all guns blazing... it's damn hard work!


 I've encountered a few strange occurrence last-night on my maps where the
 one townland is spilt across 2 dis-joined areas

 Examples:

 Cappagh townland (OSM):
 http://www.openstreetmap.org/relation/4139615#map=16/54.6334/-8.6459

 Cappagh townland  (OSI 25):
 http://maps.osi.ie/publicviewer/#V1,558685,876576,7,9

 I shouldn't use the OSI link but I can't find a method for linking to an
 area on the TCD sheets


 You'll see that that small townlands of Cappagh and the bordering townland
 of Croaghlin are marked as part of ... the larger townlands of the same
 name just off to the West

 For now, I have simply created a seperate relation / townland for each
 section and named them the same, which OSM seems to be handling OK... but
 Nominatim will only see one instance it appears. However, I believe that to
 do this correctly, I should use a master relation or somehow merge the
 boundaries of each townland section into one relation

 Has anyone encountered similar to this? It seems to be common in the area
 I'm mapping in SW Donegal

 Any advice?


 Cheers,

 C
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Re: [OSM-talk-ie] One townland spread across two different areas

2014-10-27 Thread Dave Corley
Mark,

That's exactly how it should be done and I'll be using the one you did as
the example for the video.

Conor,

The video showing how this is done will be up some time tomorrow (slow
connection so can't be more specific)

Dave
On 28 Oct 2014 02:14, Mark Tully markjtu...@gmail.com wrote:

 I had a similar issue with Ballyboughlin in Offaly.  See

 http://maps.openstreetmap.ie/oocmaps.html?zoom=15lat=53.35462lon=-7.63757layers=BT
 and http://www.openstreetmap.org/relation/4122877.

 I elected to put both parts into the same relation, ensuring that each part
 formed a complete loop in JOSM and marking them all as outers.  The second
 section of Ballyboughlin (the Part of... section) was entirely surrounded
 by Raheen (http://www.openstreetmap.org/relation/4122899), so I marked
 that
 section as an inner in Raheen's relation.

 I did it like this as it seemed like the most sensible method to me, but
 maybe there's a better way to do it.

 Mark

 On Tue, Oct 28, 2014 at 12:35 AM, Conor Jones co...@malinbeg.com wrote:

  Hi folks,
 
  First off, great to be back on the mailing list and to see a very active,
  committed community alive and kicking
 
  I've started mapping townlands in SW Donegal - and while I went at it
 with
  all guns blazing... it's damn hard work!
 
 
  I've encountered a few strange occurrence last-night on my maps where the
  one townland is spilt across 2 dis-joined areas
 
  Examples:
 
  Cappagh townland (OSM):
  http://www.openstreetmap.org/relation/4139615#map=16/54.6334/-8.6459
 
  Cappagh townland  (OSI 25):
  http://maps.osi.ie/publicviewer/#V1,558685,876576,7,9
 
  I shouldn't use the OSI link but I can't find a method for linking to an
  area on the TCD sheets
 
 
  You'll see that that small townlands of Cappagh and the bordering
 townland
  of Croaghlin are marked as part of ... the larger townlands of the same
  name just off to the West
 
  For now, I have simply created a seperate relation / townland for each
  section and named them the same, which OSM seems to be handling OK... but
  Nominatim will only see one instance it appears. However, I believe that
 to
  do this correctly, I should use a master relation or somehow merge the
  boundaries of each townland section into one relation
 
  Has anyone encountered similar to this? It seems to be common in the area
  I'm mapping in SW Donegal
 
  Any advice?
 
 
  Cheers,
 
  C
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