Barriers as building parts

[Sinuhe20]

It looks like that min_height of barriers is not used, so you can't use them correctly as building parts. See the fence on the Victory Column in Berlin: https://www.openstreetmap.org/relation/4639168

F4Map, on the other hand, renders the fence at the right place: https://demo.f4map.com/#lat=52.5148244&lon=13.3501419&zoom=20

Or any other idea how to tag the fence correctly?

[tordanik]

While both min_height and barrier are supported, the combination of the two is not (yet?) supported. The reason is that there's no agreed-on standard for min_height on anything except building parts. I do see that it's something that might be useful, though, so while I'm currently unsure how to best handle this, I'm leaving this issue open as a reminder.

What OSM2World does already support is location=roof and/or level=* tags on various features – including barriers. This can often fill the same need. Theoretically, that would work for the Victory Column as well. (Just tested it, though, and it didn't work. Not sure why, might be another bug.)

[Sinuhe20]

I looked into the code a bit and saw that way and node features like barriers or flagpoles are not really supported for building parts. It would be cool if you could just place them on a building part or roof outline (maybe with level=*) and the program would figure out the correct minimum height (like for windows).