Google to crowdsource 3D cities

Google announced this morning yet another add-on to Google Earth called Building maker, a web tool which allows ordinary people to create in a few minutes 3D buildings for Google Earth. As explained by Google: “Basically, you pick a building and construct a model of it using aerial photos and simple 3D shapes – both of which we provide. When you're done, we take a look at your model. If it looks right, and if a better model doesn't already exist, we add it to the 3D Buildings layer in Google Earth.” Until now making a 3D building required the use of SketchUp, a free 3D software from Google, which, while less complex that other professional 3D software, was pretty difficult to use for non specialists. With this new tool Google can expect the number of cities mapped in 3D to grow exponentially.
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