How Satnav Maps Are Made
Barence writes "PC Pro has a feature revealing how the world's biggest satnav firms create their maps. Nokia's Navteq, for example, has a huge database of almost 24 million miles of road across the globe. For each mile of road there are multiple data points, and for each of those positions, more than 280 road attributes. The maps are generated from public data and driver feedback, not to mention its own fleet of cars with 360-degree cameras on the top.There's an IMU (inertial measurement unit) for monitoring the pitch...
Published By: Slashdot - Saturday, 23 June, 2012
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