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Can someone more knowledgable on the subject elaborate on how exactly this 3d works?
by thornofmight 14y ago
Can someone more knowledgable on the subject elaborate on how exactly this 3d works?
- bgarbiak 14y agoHere's how Nokia did it: http://youtu.be/emKttWFcJ_g http://youtu.be/emKttWFcJ_g (simplistically)
- aw3c2 14y agoYou take aerial imagery and laser-scan/photogrametric data. You can create rough 3D models from the aerial images already if they overlap enough. The laserscanning data and terrestrial photos can be used for more detail and accuracy. You could also use government data if your government provides geodata like coordinates, houses etc. It is impressive but not really hard (theoretically). Check out eg http://maps3d.svc.nokia.com/webgl/index.html http://maps3d.svc.nokia.com/webgl/index.html
- xanadohnt 14y agoWhat's this laser scanning? Vector topographic data and aerial imagery is all that's necessary.
- aw3c2 14y agoTheoretically just the aerial images would be enough if you have some control points. But I remember the Nokia people say they used mobile laserscan data. Can't find the source anymore though, I thought it was on HN actually.