I think OSM will be even better if it is possible to show indoor rooms. If what I remember is correct, google map app can show big shopping malls’ or departmentstores’ rooms maps, and their shoppers can check what shop is on what floor.
As we can edit indoor rooms on OSM, it must be better that OSM users can use the data.
Like this (similar to Google …)
Comment from SomeoneElse on 4 April 2021 at 14:56
Have you seen https://wiki.openstreetmap.org/wiki/OpenLevelUp ? For an example, see here.
Comment from bryceco on 5 April 2021 at 04:38
is probably the most popular tagging scheme for indoor mapping.
Comment from benoitdd on 6 April 2021 at 12:32
The main other tool to render the indoor mapping is indoor=
For example this university in Japan