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G - Physics – 01 – C

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G01C 21/34 (2006.01)

Patent

CA 2725557

A navigation device (200) comprising: a route calculation module (298) operable to calculate a route (288) from a start location to a destination location; a rendering module (302) configured to use digital map data to generate images of said route (288) for display to a user; and a route preview module (304) operable to provide the user with a preview of the calculated route (288), characterised in that: the route preview module (304) is operable to divide said calculated route into junction segments and road segments, and is configured to control said rendering module (302) to display images representative of locations within said road segments (314) at a higher display speed than images representative of locations within said junction segments (312).

L'invention concerne un dispositif (200) de navigation comprenant : un module (298) de calcul ditinéraire utilisable pour calculer un itinéraire (288) dun lieu de départ à un lieu de destination ; un module (302) de rendu configuré pour utiliser des données numériques de carte pour générer des images dudit itinéraire (288) en vue de leur présentation à un utilisateur ; et un module (304) de prévisualisation ditinéraire utilisable pour présenter à lutilisateur un aperçu de litinéraire calculé (288), caractérisé en ce que : le module (304) de prévisualisation ditinéraire est utilisable pour diviser ledit itinéraire calculé en segments dintersections et en segments de routes, et est configuré pour commander ledit module (302) de rendu de façon à afficher des images représentatives de lieux appartenant auxdits segments (314) de routes à une vitesse daffichage supérieure à celle des images représentatives de lieux appartenant auxdits segments (312) dintersections.

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