[Talk-GB] Quarterly Project 2021Q1

[Jez Nicholson]

With amazing good timing, a MapRoulette task for this very task was created
last week https://maproulette.org/browse/challenges/16861

On Mon, Feb 8, 2021 at 11:52 AM Edward Catmur via Talk-GB <
talk-gb at openstreetmap.org> wrote:

> A common (and, to a lesser extent, a village green) isn't a single
> landuse, though; I'd expect there to be patches of woodland, heath, grass,
> meadow and so on, shifting over the decades. Similarly a village green may
> be mostly grass, but there could well also be a playground, sports pitches
> (even a cricket green), the odd copse and of course a pond.
>
> So if we want to keep a single object to which to attach the designation
> and name of the common / village green, it can't be a "grass" area.
>
>
> On Mon, Feb 8, 2021 at 11:21 AM nathan case <nathancase at outlook.com>
> wrote:
>
>> I believe landuse=village_green suffers from a similar problem (tagging,
>> particularly outside the UK, that does not match the definition).
>>
>>
>>
>> https://wiki.openstreetmap.org/wiki/Tag:landuse%3Dvillage_green
>>
>>
>>
>> I agree with DaveF. Perhaps, as with public footpaths, we should separate
>> the legal definition from the object.
>>
>>
>>
>> With public footpath, we have:
>>
>>
>>
>> highway=footway
>>
>> foot=designated
>>
>> designation=public_footpath
>>
>>
>>
>> Therefore we could have:
>>
>>
>>
>> landuse=grass (or other appropriate tag)
>>
>> access=designated
>>
>> designation=common
>>
>>
>>
>> landuse=grass
>>
>> access=designated
>>
>> designation=village_green
>>
>>
>>
>> and then depreciate the leisure=common and landuse=village_green tags.
>>
>>
>>
>> Cheers.
>>
>>
>>
>> *From:* Dave F via Talk-GB <talk-gb at openstreetmap.org>
>> *Sent:* Monday, February 8, 2021 11:05 AM
>> *To:* talk-gb at openstreetmap.org
>> *Subject:* Re: [Talk-GB] Quarterly Project 2021Q1
>>
>>
>>
>> One tag which requires sorting in the UK is leisure=common
>>
>> https://wiki.openstreetmap.org/wiki/Tag:leisure%3Dcommon
>>
>> As you probably know, OSM-Carto stopped rendering it. The reasons are
>> given under ''Problems with this tag' section. I believe they are valid.
>> Many appear to be misused just to get an area to render green without any
>> knowledge of legal status (I'm guilty of that)
>>
>> Unfortunately the actual landuse of them varies so an automated UK wide
>> correction can't be performed.
>>
>> Using additional tags, such as landuse=grass to get them to display is
>> 'tagging incorrectly for the renderer' as it's designed to be a stand alone
>> tag.
>>
>> https://wiki.openstreetmap.org/wiki/Tag:landuse%3Dgrass
>>
>> There are currently 3386 leisure=common
>> 732 with additional landuse tags (650 grass, plus meadow & village_green
>> etc)
>>
>> https://overpass-turbo.eu/s/13lr
>>
>> After a quick look, it appears many of the urban cases could be mapped
>> solely as landuse=grass
>>
>> If legal provenance is known then designation=common would seem
>> appropriate.
>>
>> DaveF
>>
>>
>>
>> On 14/01/2021 22:29, Gareth L wrote:
>>
>> The UK Quarterly project for Q1 2021 has been selected as Green spaces.
>> https://wiki.openstreetmap.org/wiki/UK_Quarterly_Project/2021/2021_Q1_Project:_Green_Spaces
>>
>>
>>
>>
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