I do a bit of work on OSM in New Zealand but haven't yet done anything for
indoors. I'm not sure OSM is really the right tool for the job although
there have been several attempts -
http://wiki.openstreetmap.org/wiki/Indoor_Mapping#Projects
Since I last checked the IndoorGML spec has been
Hmm.. in generic terms, it is arguable that versions of an original photograph
are derivative works. I guess it depends if you system can record the unique ID
of works from which the object in question has been derived.
This can be done in notes, but that is unstructured so not that useful for
