Glen, "Why can't I use building=yes AND shop=shopping_centre/shop=mall/shop=convenience/shop=* ..."
Tags related to the combination of features should be tagged at the relation level, and not the individual features. There might be exceptions. "On the relation side, I also think site=mall is too specific..." >From the OSM wiki: "Tag:shop=mall refers generally to a shopping mall or >"shopping center" in the North American sense or a "shopping centre" in the >European sense. Broadly speaking, given a single building with multiple >commercial retail stores where the entrances to the stores let onto a common >enclosed area, this may be referred to as a shopping mall. In this case, the >entrances typically face in-ward or toward one another. This tag may also be >applied to the arrangement where there are multiple buildings, each with >multiple commercial retail stores whose entrances are on the outer margins of >the buildings." The colloquial use of "shopping centre" and "mall" and "shops" is very ambiguous, and will differ from person to person. There are malls with multiple buildings; shopping centres that are covered. I don't have a solution, other than being consistent. If anyone has another idea... please pitch in. "surface=* is usually used for the type of surface covering a feature (e.g. surface=grass ...)" Point taken. There seems to be two main uses of GLA (when talking about retail floor space): Gross Lettable Area and Gross Leasable Area. A mall's surface_area may include non-lettable area, whereas the values we are capturing (with a specific use in mind) is the lettable are. So, what are we going to do? Hhmm... let's go with lettable_surface_area Regards Johan
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