NAVIGATION SYSTEM AND DATA STRUCTURE FOR ELECTRONIC MAP DATA

摘要

PROBLEM TO BE SOLVED: To provide information visually in electronic map data allowing three-dimensional display without impairing realty.;SOLUTION: An electronic map data supply device distributes to a navigation device the electronic map data allowing three-dimensional display and includes a data structure including fixed object data for three-dimensionally displaying a fixed object, such as, building or road, movable object data for three-dimensionally displaying a movable object, such as, vehicle or signboard, and additional information data storing additional information to be visually provided to a browsing person of the electronic map data, in a state in which the additional information is integrated with at least a part of the movable object.;COPYRIGHT: (C)2009,JPO&INPIT