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Ah my bad, I'm not familiar with the details of OSM. I figured there'd be some vague support for elevation data so that at least you'd have a nice-ish starting point for modelling a city. Thanks for the clarification though


One approach people have used is to import something derived from SRTM into their rendering system and use that along with OSM data.

http://wiki.openstreetmap.org/wiki/Relief_maps

http://wiki.openstreetmap.org/wiki/Contours

http://www.openstreetmap.org/#map=13/33.9147/-112.4034&layer...




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