[Tagging] objects mixing linear and area (for ex fence and landuse)

Andrew Harvey andrew.harvey4 at gmail.com
Thu Dec 31 05:05:09 UTC 2020


Separate way, but glued ways via shared nodes. Depends on the type of gate,
but for this I'd just do a node on the point where the gate is. eg
https://www.openstreetmap.org/way/890497284 and
https://www.openstreetmap.org/node/8276491312

On Thu, 31 Dec 2020 at 15:59, Joseph Eisenberg <joseph.eisenberg at gmail.com>
wrote:

> I agree that the best option is to map the fence (or wall, or
> hedge) with a separate way, since usually there will be at least one gap
> for a gate or entrance way.
>
> However, if you are going to add the information to the area rather than
> mapping it precisely, it makes perfect sense to use "fenced=yes".
>
> You could also use "walled=yes" or "hedged=yes" for areas surrounded by a
> wall or hedge.
>
> This is better than tagging barrier=hedge + landuse=meadow on the same
> closed way, or amenity=school + barrier=wall, because adding both tags to
> the same object makes it ambiguous to data users if the area is supposed to
> represent the area of a wall or hedge.
>
> While it's obvious to a human when looking at the rendered object, it's
> rather difficult to write software to interpret this clearly: an object is
> supposed to be an area or a line, not both
>
> But when you add barrier=wall or barrier=hedge to another tag which
> usually represents an area (like landuse= or amenity=), it suggests this
> might be a wall or hedge micro-mapped as an area.
>
> -- Joseph Eisenberg
>
> On Wed, Dec 30, 2020 at 4:24 PM Andrew Harvey <andrew.harvey4 at gmail.com>
> wrote:
>
>> You could add a way on top of another closed way which shares the same
>> nodes for part of it. I'd commonly do this for a leisure=park which might
>> be fenced off on one side.
>>
>> On Thu, 31 Dec 2020 at 11:06, Marc_marc <marc_marc at mailo.com> wrote:
>>
>>> Hello,
>>>
>>> what's the best to tag a fenced area ?
>>>
>>> previously I used fenced=yes to describe a *characteristic*
>>> of the area (the area has a fence at the outer, the object
>>> isn't a fence it-self)
>>> but the wiki said it's depreciated in favor of barrier=fence.
>>> but that's not the same : barrier=fence is a linear feature at the
>>> outer, mixing 2 features in one object is a bad pratice.
>>> and nothing said if the fence is mapped as an area or not (area=no
>>> is not usable in this case, due the mix with an area on the same object)
>>>
>>> so, what's the best ?
>>> - restore fenced=yes as a valid tag for a characteristic of one objet
>>> (and keep of course barrier=fence for the fence it-self) ?
>>> or
>>> - move the area feature to a relation ? (we don't tag for a tools, but
>>> are the tools able of having a linear geometry for the barrier and a
>>> relation describing an area using the previous linear geometry?)
>>> or
>>> - move the linear feature to a relation ?
>>> or
>>> - if the number of node is small, create 2 ways, one for the linear,
>>> another for the area ?
>>> or
>>> - take an aperitif, it's New Year's Eve ? :)
>>>
>>> Regards,
>>> Marc
>>>
>>>
>>>
>>> _______________________________________________
>>> Tagging mailing list
>>> Tagging at openstreetmap.org
>>> https://lists.openstreetmap.org/listinfo/tagging
>>>
>> _______________________________________________
>> Tagging mailing list
>> Tagging at openstreetmap.org
>> https://lists.openstreetmap.org/listinfo/tagging
>>
> _______________________________________________
> Tagging mailing list
> Tagging at openstreetmap.org
> https://lists.openstreetmap.org/listinfo/tagging
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.openstreetmap.org/pipermail/tagging/attachments/20201231/7820ab26/attachment-0001.htm>


More information about the Tagging mailing list