Patent ID: 9171464
Filing Date: 2015-10-27
Classification: G01C,G06Q,G06T,G08G,H05K

Abstract:
1. For a route server that generates route data, a method of encoding the route data, the method comprising: receiving, from a route client, a request for route data for a route comprising a plurality of junctures, the route data comprising maneuvering instruction data associated with each juncture in the plurality of junctures; determining, for each juncture of the route, whether the associated maneuvering instruction data is producible by the route client without receiving the maneuvering instruction data from the route server, said determination made by comparing the maneuvering instruction for the juncture to a default maneuvering instruction for the same juncture generated based on a set of default direction rules; encoding the route data by excluding, from the route data, any maneuvering instruction data that is determined to be producible at the route client, when generating the route data; and sending the encoded route data to the route client.