[OSM-talk-ie] An attempt to geocode the list of schools from Dept. Ed. leads nowhere

[Rory McCann]

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Hi,

No, I didn't try that yet. It's a good idea. You'd be doing a "match
up" as opposed to a "geocode" I suppose.

Rory

On 04/02/16 00:09, Dave Corley wrote:
> Hey Rory,
> 
> Did you try plugging in the location data from polling stations on 
> data.gov.ie
> 
> It won't give a complete picture as not all are used as polling
> stations and there's likely a lot of mismatch between the names but
> it might work for some for counties that have released polling
> station info On 3 Feb 2016 20:44, "Rory McCann"
> <rory at technomancy.org> wrote:
> 
> Hi all,
> 
> As as been mentioned on this list, in the UK they are doing a
> quarterly project to map more schools[1] and there is a list of
> schools from the Department of Education[2][3], but that only has
> addresses, not location s.
> 
> I thought I'd download that file and throw it at Nominatim and see
> if we can't geocode those addresses, and have something to work
> with. I thought with all the mapped townlands, that Nominatim might
> be OK at some of the rural addresses.
> 
> The results are not good.
> 
> Nominatim returns a bounding box for a result. Here's what happens
> when you try to geocode all the primary schools:
> http://i.imgur.com/CFEW7Oa.p ng
> 
> The big boxes are where nominatim was only able to get the county.
> You can see that many other boxes are just around towns and
> villages. Nothing more detailed than that. The map might as well be
> a map of "Counties and Towns of Ireland", which is useless for
> locating schools.
> 
> An example address is "SCOIL NAOMH MICHEAL,SNEEM,CO KERRY". It's
> no surprise that Nominatim cannot get any more accurate than the
> village of Sneem in that case. The other school in Sneem, SCOIL 
> EOIN,TAHILLA,SNEEM,CO. KERRY, is hardly more accurate.
> 
> The code is in the "ie-schools-geocode" repository on our github[4]
> Run "make install primary-schools-areas.shp" to generate the data.
> The geocoding is done in "geocode-single.sh"[5].
> 
> That image is based on the shapefile in
> primary-schools-areas.zip[6]. If you don't want to generate the
> data, you can just download it directly from github. By using the
> Open Data plug-in you can open it in JOSM.
> 
> Unfortunately, it looks like the schools list database isn't very
> useful for mapping all the schools.
> 
> Irish addresses, eh?
> 
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