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I saw this Diary entry. I would map a polygon of the car park and give it the supermarket's name, and connect the access road and the building entrance, do you have any other ideas. https://www.openstreetmap.org/user/GuenniLD/diary/398041 |
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Or have a look at a modern milieu friendly building at '0' level, partly covered with earth, covered=yes ? |
That is not entirely true. It is good practice to add the location=x tag to any underground feature (location=underground), and it is actually pretty bad practice not to do so, as it will make it impossible to properly distinguish aboveground from underground features. layer=x and level=x are NOT a replacement for using this tag, as there is nothing in their definition directly referring to the relative position of the object related to the soil surface, that is why you need to add location=underground where appropriate. I explicitly wrote our standard mapping does not differ. Of course there are additional tags like But tell us. Which location tag would you add in this case? The store is above or under ground depending on from which side you are looking. So in my opinion a
(20 Nov '21, 20:40)
TZorn
The word "standard" to me at least, as a non-native English speaker, suggests that it is the only good way to tag it. I agree though for the most part with you, that there are no differences between above or below ground buildings in most tagging, but I think it is good to always make new users aware of additional tagging options that may help clarify a situation. I have seen to many subway stations and underground parkings popping up in maps, because nobody bothered to tag them as location=underground. This particular situation, as with so many modern buildings in dense city centers that need to support multiple usages of space, is I agree ambiguous as to the location tag. However, to me personally, if there are other significant building structures on the top surface / roof of the building, I think I would add the location=underground tag. If none such building structures on top, leave as-is.
(20 Nov '21, 20:55)
mboeringa
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I wouldn't do anything special in this case. Our basic standard mapping does not differ between underground or overground mapping. I would map the building and car park and roads the same way as if everything was completely above ground. If there is something mapable on top of the supermarket (a road? a tree?) we can use Do you have a link to an example please.
(19 Nov '21, 14:28)
andy mackey
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