It was I who raised the issue.
Interest to see others thoughts, and some ideas on some sort of
consistence, if that can be obtained?
From an Australian perspective of 'our' showgrounds' in the countryside.
Most of the year they are vacant. They do get some use from equestrian
activities.. some have sports activities. A fair few provide camping
facilities.
The 'shows' typically have 'sports' such as wood chopping and equestrian
activities. They also have the 'side show ally' things of rides.
I think the above fit into recreational use, and so most of the use is
as a recreation ground, access and fees can be indicated using those
tags I see no reason to stipulate that a recreation ground must be
'public'.
I was trying to find any other way for tagging showgrounds using
taginfo, and came across the amenity=showground with some ~6 uses. I
then selected on of these in the UK where they are most prevalent. This
one is tagged as 'amenity=showground' with 'landuse=grass', that mix to
me is wrong. If it is 'amenity=showground' then the grass should,
strictly speaking, be tagged with surface=grass, however this will not
render. Using 'landuse=grass' obtains rendering.
A difficulty with OSM is mapping permanent things is the norm, cyclic
things get less attention.
On 24/2/20 8:57 pm, Mark Goodge wrote:
Morning all,
Someone has commented on a change I made to the Three Counties
showground last year when I changed the tagging to landuse=grass
rather than landuse=commercial. Their suggestion is that it really
ought to be landuse=recreation_ground, with a secondary tag of
surface=grass.
https://www.openstreetmap.org/changeset/74103491#map=16/52.0834/-2.3235
I've responded to that comment on the changeset, but I thought it
would be worth throwing out here as well.
I do think that tagging showgrounds as landuse=commercial is generally
incorrect; it doesn't match the description of 'commercial' in the
wiki and doesn't reflect the typical uses of showgrounds both when a
show is on and when one isn't.
The reason I tagged the Three Counties showground as grass is because,
most of the year, that's precisely what it is - an open area of
grassland. Unless there is an event on (which only happens for a
minority of days in a year) it is just an open space.
Looking at a few other showgrounds across the country, we don't seem
to have any consistency.
The East of England Showground is tagged as landuse=recreation_ground:
https://www.openstreetmap.org/#map=16/52.5456/-0.3170
The Suffolk Showground is tagged as a park:
https://www.openstreetmap.org/#map=16/52.0330/1.2277
So is the Staffordshire County Showgound:
https://www.openstreetmap.org/#map=16/52.8255/-2.0643
The former Royal Showground at Stoneleigh is tagged as commercial, but
in that case that's probably now correct as it's no longer used as a
showground and is gradually being redeveloped as a business park:
https://www.openstreetmap.org/#map=15/52.3435/-1.5220
The Great Yorkshire Showground isn't tagged as an area at all, just a
network of roads and individual features:
https://www.openstreetmap.org/#map=16/53.9830/-1.5065
Similarly with the Norfolk Showground
https://www.openstreetmap.org/#map=16/52.6490/1.1793
And the Bath and West Showground:
https://www.openstreetmap.org/#map=16/51.1552/-2.5265
So, what do people think? Personally, I think that showgrounds ought
to be tagged as an area, because they do, typically, have clear
boundaries and are distinct from their surrounding context. But I'm
less sure what the area should be tagged as. I think commercial is
usually wrong, for the reasons I've already given, but I can see an
argument for either grass, recreation_ground or even park.
Thoughts, anyone?
Mark
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