This plugin lets you visualize your JOSM indoor data:
- inside OpenIndoor 3D web app
- inside IndorEqual web app
See https://wiki.openstreetmap.org/wiki/JOSM/Plugins
Download: https://github.com/open-indoor/openindoor-josm-plugin/releases
Save plugin jar files in the JOSM plugins directory.
%APPDATA%\JOSM\plugins
/home/$USER/.local/share/JOSM/plugins
Users/<YourName>/Library/JOSM/plugins