Map display device, a memory medium and a map display method

Details Map display device, a memory medium and a map display method Map display device, a memory medium and a map display method

2005-09-27

2005-09-27

Nguyen, Kimbinh T. (Department: 2671)

Computer graphics processing and selective visual display system

Computer graphics processing

Adjusting level of detail

C345S441000, C345S581000, C345S584000, C345S589000, C701S209000, C701S212000

Reexamination Certificate

active

06950100

ABSTRACT:
A map display device using an input unit for inputting a display scale, a memory for storing polygon map data, a drawing processing control unit for drawing a polygon map by loading polygon map data from the memory and a display unit for displaying an output from the drawing processing control unit, wherein the drawing processing control unit is provided with a function for determining a unit of a polygon map that should be drawn and drawing a polygon map of the determined unit.

REFERENCES:
patent: 5204817 (1993-04-01), Yoshida
patent: 5925091 (1999-07-01), Ando
patent: 6587787 (2003-07-01), Yokota

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