[OSM-dev] Height information in OSM

[Yogesh]

Hi,
>
> There seems to be lot of 3D mapping going on by using OSM data. Can 
> anyone help me in understanding how to model a city in 3D using OSM 
> data where height tag is not so common. Is there anyone working on 3D 
> mapping? if so how could you get the height information for the features?
>

There are few people working on 3D mapping. I guess you might find this 
diary post on 3D buildings interesting - 
http://www.openstreetmap.org/user/Chetan_Gowda/diary/35627


Happy mapping,
Yogesh