Date: Fri, 24 May 2019 20:34:52 +0200 From: bkil <bkil.hu...@gmail.com> To: "Tag discussion, strategy and related tools" <tagging@openstreetmap.org> Subject: Re: [Tagging] Tagging buildings that people work inI can see what maintenance burden this notation could bring, but I would need more information to see what we could gain from it. landuse=* seemed appropriate for most use cases I have encountered. Why do we need to tag this on a building resolution?
Because landuse is for the entire property a building sits on, not the building itself.
What data consumers did you have in mind?
Mapmakers.
What common interest does this annotation serve?
It allows you to symbolize "occupied" buildings differently from "unoccupied" ones.
What is the verification criteria? Do I need to station next to the building in working hours for a given amount of time and declare it occupied if I see any person entering or leaving, and mark it unoccupied otherwise? Or is it enough if I see indirect indications, such as open windows (what is they are motorized and remote controlled), lighting (some leave it always on for security)? Is it enough if I see a resident through the window? How do I know if the person is not merely a guard or an intermittent maintenance personal?
My personal criteria is not meant to be that exact. For example, I can see from an aerial photo a large building surrounded by a large parking lot. I can surmise that several or many people work in the building, but I have no idea what they do there.
If a storage building complex is only occupied by a guard (supervised=* / surveillance:type=guard), do you consider it occupied?
No.
Do you consider weekend houses occupied if they are only occupied intermittently or even seasonally? How do I verify this?
Note that my question was in reference to buildings people work in, not live in.
Note that we usually do not add fixme kind of tagging for the sole purpose of marking the absence of regular information, as by definition, a blank map is missing an infinite amount of information and we would definitely not like to store so many fixme's.
I was not advocating the use of fixme's. Knowing that a building is "occupied" is having more knowledge than simply knowing that a building exists. It is not necessary to know everything about a feature in order to map it. OpenStreetMap will never be "complete," because there will always be more information that can be added to features.
Although I acknowledge it is sometimes easy to distinguish abandoned buildings, especially if it is missing furniture, doors or windows, but we have life cycles for that.
True. But abandoned buildings are not the only buildings that people do not work in. An example is storage buildings.
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