[Tagging] `amenity=shelter` implies `building=yes`?

osm.tagging at thorsten.engler.id.au osm.tagging at thorsten.engler.id.au
Mon Jun 18 15:07:48 UTC 2018

Personally, I would tag most bus shelters as building=roof. 


But for e.g. sun_shelter (which are usually just fabric spanned between poles) building=roof would be wrong.


From: Bryan Housel <bhousel at gmail.com> 
Sent: Tuesday, 19 June 2018 00:47
To: Jo Willems <WinFixIT at gmail.com>; osm-tagging <tagging at openstreetmap.org>
Subject: Re: [Tagging] `amenity=shelter` implies `building=yes`?


Thanks for clarifying Jo - I think this is all ok as long as we give users the option to say whether they think their `amenity=shelter` is a building or not.   For the bus shelters I could see it as either way but would not override a local mapper’s choice.


Maybe we should start a separate thread for “what is a `building=*` really” because this is something I see frequent confusion over.


Thanks, Bryan



On Jun 18, 2018, at 10:29 AM, Jo <winfixit at gmail.com <mailto:winfixit at gmail.com> > wrote:


shelter=yes on a highway=bus_stop NODE indicates there is a shelter nearby, but says nothing about where it is exactly nor its size.







indicates where the shelter is. height is not super important. I guess most are about 2.3m high. If it is considered important I'll go out and measure one and start tagging that on them. But that still doesn't make them buildings. They are more like containers with glass wall panels and a metal roof on a slab of concrete. Relatively easy to move and relatively small in size.




Op ma 18 jun. 2018 om 15:28 schreef Bryan Housel <bhousel at gmail.com <mailto:bhousel at gmail.com> >:

There are also picnic shelters .. here they can have no walls just a roof to shelter from the heat of the sun or the occasional bit of rain. 
e.g. https://www.riversideca.gov/park_rec/sites/riversideca.gov.park_rec/files/pictures/Picnic%20Shelter%20Hunter%20hobby.JPG


I would tag that as:



building=roof        ( <— this tag is really the point of the thread)



The following three are no buildings from my point of view because they
have one wall only. Either the two other walls do not fully stretch from
the ground to the roof or the shelter itself can be removed easily.
https://www.mapillary.com/app/?lat=49.08680549357706 <https://www.mapillary.com/app/?lat=49.08680549357706&lng=9.078079866007897&z=17&pKey=90pd5WuYg8zOk_L8dxLFFQ&focus=photo> &lng=9.078079866007897&z=17&pKey=90pd5WuYg8zOk_L8dxLFFQ&focus=photo
https://www.mapillary.com/app/?lat=49.08985722389377 <https://www.mapillary.com/app/?lat=49.08985722389377&lng=9.07931005221235&z=17&pKey=oXQHKqb3Lc3Ae9IXj-5PHw&focus=photo> &lng=9.07931005221235&z=17&pKey=oXQHKqb3Lc3Ae9IXj-5PHw&focus=photo
https://www.mapillary.com/app/?lat=49.10616167487336 <https://www.mapillary.com/app/?lat=49.10616167487336&lng=9.121348618135698&z=17&pKey=8xUGL_VKp45sOfd9VW7dUw&focus=photo> &lng=9.121348618135698&z=17&pKey=8xUGL_VKp45sOfd9VW7dUw&focus=photo

I would not use `amenity=shelter` at all and instead tag those as 










There is building=roof but I would not use it for such shelters. They
are not treated as buildings by the cadastre, why should I do? (If they
are larger and have no walls, they

Anything that should show up on a 3D map needs a `building` tag and maybe a `height`.

I think that nobody of us knows the whole world and that's why I ask you
not to decide on the default values of the whole world. If local mappers
think that a shelter is a building, they will tag it as such. If they
think that it does not qualify to be a building, they will not add the tag.

In iD, the things we provide as presets, and how we render those things on the screen influence how people map.


It sounds like from the discussion that we should not assume that shelters are buildings, and instead provide a field so that mappers can decide.  Once we provide this field, we can expect a lot of people to use it.  (I’m trying to engage the tagging list a lot more so that people feel consulted when I change things in iD.)


Thanks, Bryan




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