Map data transmitting method, map data transmitting...

Details Map data transmitting method, map data transmitting... Map data transmitting method, map data transmitting...

2007-01-02

2007-01-02

Tung, Kee M. (Department: 2628)

Computer graphics processing and selective visual display system

Computer graphics processing

Graphic manipulation

C345S420000, C701S201000, C340S995100

Reexamination Certificate

active

10682569

ABSTRACT:
A map data transmitting method for transmitting a map through communication comprises steps of setting a specific route, specifying map data contained in a slicing range within a predetermined distance from the route having been set based upon map data that include road data and background data, newly creating new polygon data if an original polygon data contained in the background data included in the specified map data is partially contained in the slicing range and another portion of the polygon is outside the slicing range, by removing polygon data corresponding to the portion outside the slicing range from the original polygon data and transmitting a road map specified in conformance to the map data and background data containing the new polygon data.

REFERENCES:
patent: 5341463 (1994-08-01), Wescott et al.
patent: 5966136 (1999-10-01), Kurtz et al.
patent: 2001/0024203 (2001-09-01), Yamada et al.
patent: 2002/0032520 (2002-03-01), Katayama et al.
patent: 2002/0062360 (2002-05-01), Ishiguro
patent: 2004/0169653 (2004-09-01), Endo et al.
patent: 2002-107169 (2002-04-01), None

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