I want to know how to tag buildings which are also amenities or shops. I have consulted the wiki and I cannot find a clear explanation of this. Say you have a building which is a hospital. One way to tag the polygon would be "building = hospital." Another way would be "amenity = hospital." Another way would be to simply tag the building as "building = yes" and then place a node inside the building polygon and tag the node as "amenity = hospital." I'm thinking in terms of how the hospital will show up in the various renderers. Do most renderers require the "amenity" tag in order to display a hospital symbol at that location? (In other words, what happens if I just use the "building = hospital" tag on the polygon and no amenity tag?) And what about the hospital name? Do I include it with the building polygon or the node? Or both? This is very confusing. It seems there is a certain amount of overlap when it comes to the application of building, amenity, and shop tags.
Mark Bradley
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