Patent ID: 9194715
Filing Date: 2015-11-24
Classification: G01C

Abstract:
1. A server for adding navigation guidance information to tracks, the server comprising: a memory storing a map database comprising geographic data; a transceiver receiving a track file uploaded to the server, the track file containing at least three user-defined waypoints that form a track; track processing software modifying the track file to produce a modified track file, the modified track file comprising the at least three user-defined waypoints and a plurality of navigation points, the plurality of navigation points being generated according to the map database and containing navigation data providing bi-directional turn-by-turn navigation guidance to a user of a portable electronic device storing the modified track file when the user of the portable electronic device follows a path indicated by the modified track file, and the plurality of navigation points containing graphical data for creating a graphical depiction of intersections associated with the turn-by-turn navigation guidance, wherein each navigation point of the plurality of navigation points comprises data indicating a distance from the navigation point until an intersection to which the navigation point corresponds; and a processor executing the track processing software, controlling the transceiver to output the modified track file, and controlling operation of the server.