in the non-Eurasian world) aware of OpenStreetMap and some of them contribute back. It remains to be seen whether this inflames the “get data for free” mentality or makes more people (esp. PlaceMaker turns this huge amount of data into a (nice) business model (two years ago I had made a prototype of a building outline importer and know the significant necessary cleanup and estimation of missing data I finally couldn’t figure out how to upload new building footprints back to OSM). However it is often forgotten that also this data is not free as beer, but costs “give back”. Various attempts to incorporate 3D models have not yet advanced either on technical issues (hosting, wiki-editing), building a community and low coverage of the world (like Google’s first attempt). This is parametric data, not geometric data what people know from 3D Warehouse, but it should suffice for architectural purposes and city planning.
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