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Transforming map data for efficient vehicle range projection

  • US 9,644,980 B2
  • Filed: 06/01/2015
  • Issued: 05/09/2017
  • Est. Priority Date: 03/15/2013
  • Status: Active Grant
First Claim
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1. A system for determining a projected range of a vehicle, the system comprising:

  • a storage element that stores map information regarding a geographic area, the map information comprising a plurality of links;

    a processor that generates a set of range projection links based at least partly on the map information by evaluating the plurality of links to identify a plurality of paths extending radially outward in a plurality of directions from the vehicle; and

    a display element comprising a graphics processing unit for (i) generating a monochrome bitmap based at least partly on the set of range projection links, (ii) rendering the set of range projection links within the monochrome bitmap, and (iii) tracing the rendered links to generate a polygon outline of the range of the vehicle.

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