[Tagging] building=yes on nodes?

Dan S danstowell+osm at gmail.com
Mon Feb 16 18:30:43 UTC 2015

All building=* on nodes is fine. As others have pointed out, it is
often necessary in HOT aerial mapping when we have low-resolution
imagery to work from.

Also, for humanitarian purposes there are serious uses for node-only
buildings, for estimating the population or the population
distribution in a place.

I've edited the wiki to set onNode=yes. I hope that doesn't lead to a storm


2015-02-16 18:10 GMT+00:00 Lukas Sommer <sommerluk at gmail.com>:
> I would like to return to the original question:
> 1.) I think it is confusing to have building=cowshed allowed on nodes,
> but building=cabin not allowed. We should unify this. Either _all_
> building=* keys can be used on nodes, or _none_.
> 2.) If we agree on 1.), would we opt to allow nodes or to disallow
> nodes? After reading the previous comments, I would tend to allow it.
> Best regards
> Lukas
> 2015-02-16 12:12 GMT, fly <lowflight66 at googlemail.com>:
>> Am 14.02.2015 um 23:06 schrieb Tobias Knerr:
>>> On 14.02.2015 22:11, SomeoneElse wrote:
>>>> ... it also says that it shouldn't be used on relations, which would
>>>> exclude perfectly valid multipolygons, such as this one:
>>> Multipolygons are a means to map areas. So they are covered by the area
>>> icon.
>>> The relation icon stands for relations that are not areas,
>>> just as the way icon stands for ways that are not areas.
>> How about type=building ?
>>>> It appears that again people are trying to use the wiki to "tell other
>>>> people how to map" rather than "describe how things tend to be mapped".
>>> Nobody is telling anyone not to use multipolygons.
>> This is totally misleading as the type of the object is still a
>> relation. Once we introduce an area object we might cover closed ways
>> and multipolygones as one category. For now we depend on the object type
>> or e.g. editor software already need to implement the area type to offer
>> proper presets.
>> cu fly
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> --
> Lukas Sommer
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