On 05/09/2018, Colm Moore <colmmoor...@hotmail.com> wrote:
> Hi,
>
>
> https://wiki.openstreetmap.org/wiki/Tag:fortification%20type=ringfort?uselang=en-GB
>
>
> Was someone running a project on mapping / tidying-up raths / ringforts? I
> notice many are mapped in Cork and Kilkenny, but few elsewhere.

User b-unicycling has added most of the Kilkenny ringforts (from some
external source, I can't recall exactly but I had checked with her
that it was ODBL-compatible) and I then fixed the tagging and reviewed
a few using Bing and GSGS.

See https://www.openstreetmap.org/changeset/52885942
https://www.openstreetmap.org/changeset/55717926
https://www.openstreetmap.org/changeset/55718276

> I haven't come across many of these until the last few weeks. In that time,
> I seem to have been tagging them incorrectly.
>
> Can I check the correct tagging is:
> historic=archaeological_site
> site_type=fortification
> fortification_type=ringfort ?

Yes, that's what I've been going for after looking at taginfo and the
wiki, but see discussion below.

> I checked http://stat.latlon.org/ie/latest/ for the word "fort", (I didn't
> check for name~fort or description~fort) and there are many tagging
> variations (not all of these will be ringforts).
>
> archaeological_site=earthworks
> archaeological_site=fort
> archaeological_site=ring_fort
> archaeological_site=ringfort
> castle_type=fortification
> castle_type=fortress
> earthworks=rath
> earthworks=ringfort
> earthworks=ringfort (rath)
> fortification=ring_ditch
> fortification_type=hill_fort
> fortification_type=hillfort
> fortification_type=ringfort
> historic=fort
> historic=fortification
> historic=hillfort
> historic=ring fort
> historic=ring_fort
> inscription=Ring fort
> military=fort
> note=Ancient fort
> note=Ancient ring fort
> note=Fawney (fainne) means ring, maybe the site of a ringfort? Was also
> slang to kiss the King/Lords ring. Very interesting as the road is called
> the Royal Oak
> note=Fort
> note=Not sure if these are Barrows or rath, or what the difference is! Ring
> fort
> note=Not sure if these are Barrows or raths, or what the difference is! Ring
> fort
> note=Ring Fort?
> note=Round Fort?
> note=ring fort
> note=ringfort
> ruins=fort
> ruins=ringfort
> site_type=earthwork
> site_type=earthworks
> site_type=enclosure
> site_type=fortification
> site_type=ring fort
> site_type=ringfort
> site_type=ringfort;megalith
> type=ringfort
> wikipedia=en:Ringfort
> wikipedia_1=https://en.wikipedia.org/wiki/Ringfort

I last looked at the taginfo numbers about a year ago, let's look again :

There seem to be a split between
historic=archaeological_site,site_type=fortification,fortification_type=ringfort
(~850 uses, Cork and Kilkenny) and historic=earthworks,earthworks=rath
(~1750 uses, Kerry). While the later is more popular, I prefer the
former for these reasons:

* The former seems to fit the OSM worldwide consensus better, and is
documented in the wiki.
* Everybody knows what a fortification is, but earthwork isn't as
clear (sounds like clay pottery to me).
* Most Irish people know what a ringfort is, but a rath... I've only
encountered the word in OSM.
* Maybe earthworks/rath is a better word from an archaeologist's POV.
Maybe a ringfort is subtly different from a rath. But I don't know and
I expect the average OSM contributor doesn't either, so it seems safer
to stick with layman-level "ringfort".

> How should I proceed?

Rorym seems to be behind most of the earthwork=rath objects, so let's
get his opinion first (I'll ping him).

From then on, if we agree on the "ringfort" scheme, I'd say use
https://overpass-turbo.eu/s/BFD to locate the "earthworks" objects,
then load them into josm to check and retag.

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