It is best to use ruins:building= because a ruin is not a building in the usual sense or in how the tag “building” is used in Openstreetmap.
General, all values of “building=“ have an intact roof. If the roof of a structure has collapsed, it would be misleading to use the key “building=“ -Joseph Eisenberg On Fri, Feb 7, 2020 at 9:12 AM Andrew Harvey <andrew.harv...@gmail.com> wrote: > On Fri, 7 Feb 2020 at 10:47, Paul Allen <pla16...@gmail.com> wrote: > >> On Thu, 6 Feb 2020 at 23:29, Andrew Harvey <andrew.harv...@gmail.com> >> wrote: >> >>> >>> I disagree with the whole premise. To me both building=yes+ruins=yes and >>> ruins:building=yes means exactly the same thing and should be interpreted >>> the same way. >>> >> >> But they AREN'T. The way you suggested was the correct way to tag a >> ruined >> building DOES NOT RENDER. And you never even noticed, you just made a >> blind assumption and told me how to do things based upon your incorrect >> assumption. >> > > To be honest I don't really mind if it renders on the default renderer or > not, I care what the data says. People can and do make their own maps, if I > want a map to show ruined buildings to capture all the data at the moment > you need to check for both those tags. > > >> >> You can't say on one is when you want it rendered on the map and one to >>> hide it. That's essentially a render=yes/no tag, which I don't think has >>> any place in OSM. >>> >> >> Really? Explain to me the difference between building=yes + >> disused:amenity=place_of_worship and building=yes. Both >> render as buildings. Neither render as a place of worship. One has >> additional >> information that is of use to people. If you have your way, I can and >> WILL >> decide whether or not something should render as a place of worship by the >> presence or absence of amenity=place_of_worship and that tagging will be >> entirely correct and match reality on the ground. You just want me to >> tag in a way that loses information. I see no merit in that. >> > > Both mean there is an intact building there, in one case it's a place of > worship that's closed down/not operating but still has some evidence on the > ground that it's a place of worship. The other case, it says nothing about > place_of_worship. > > Okay so I'll ask you a question then, on the ground what's the difference > between building=yes+ruins=yes and ruins:building=yes. > > In what on the ground situation would you have one render but the other > one not render? > _______________________________________________ > Tagging mailing list > Tagging@openstreetmap.org > https://lists.openstreetmap.org/listinfo/tagging >
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