Navigation system, method for stereoscopically displaying topogr

Details Navigation system, method for stereoscopically displaying topogr Navigation system, method for stereoscopically displaying topogr

1998-08-06

2000-09-19

Nguyen, Phu K.

Computer graphics processing and selective visual display system

Computer graphics processing

Three-dimension

G06F 1500

Patent

active

06121972&

ABSTRACT:
In a method for stereoscopically displaying the topographic map, a navigation system, and the recording medium recording the method, a multiple number of quadrilaterals with mutually adjoining four points of terrain locations as four vertices of each quadrilateral from the three-dimensional road map information are generated, each quadrilateral is divided into four triangles with one or two diagonal lines of each quadrilateral, a perspective projection transformation of three vertices of each triangle is performed onto a predetermined perspectively projected plane, a display color is allocated to each of the perspectively projected triangles, and the allocated display color is displayed on an image screen of a display device together with each of the perspectively projected triangles.

REFERENCES:
patent: 6011581 (2000-01-01), Swift et al.
patent: 6023276 (2000-01-01), Kawai et al.
patent: 6031564 (2000-02-01), Ma et al.

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