MOBILE DEVICE AND GEOGRAPHIC INFORMATION SYSTEM

摘要

PROBLEM TO BE SOLVED: To provide a system and mobile device for providing geographic information to a user.SOLUTION: The system includes a mobile device that is wirelessly connected to a geographic database. The mobile device includes a plurality of sensors for determining a first location and a first direction. A controller is adapted to provide information requested based on local queries and distal queries. In addition, the controller can respond to thematic queries of each variety, where the database search is limited to objects, entities or features that fit with a selected theme. Finally, the controller is adapted to select and order query results based on two- and three-dimensional query windows.