Method for displaying three-dimensional polygon on screen

Details Method for displaying three-dimensional polygon on screen Method for displaying three-dimensional polygon on screen

2004-10-29

2008-11-11

Nguyen, Kimbinh T (Department: 2628)

Computer graphics processing and selective visual display system

Computer graphics processing

Three-dimension

C345S422000, C345S423000, C345S426000, C345S427000, C345S589000, C701S208000, C701S212000, C348S118000

Reexamination Certificate

active

07450118

ABSTRACT:
Three-dimensional models with three-dimensional coordinates for a certain area to be displayed on the screen based on coordinates of a reference position are received. The received three-dimensional models are classified according to the positions of nodes of polygons for the three-dimensional models. As for the three-dimensional models of which the nodes of the polygons exist on the same plane, they are displayed on the screen through automatic triangulation using a general three-dimensional graphic library. As for the three-dimensional models of which the nodes of the polygons do not exist on the same plane, they are displayed on the screen by converting the three-dimensional coordinates of the nodes of the polygons into three-dimensional coordinates based on a view point, converting the converted three-dimensional coordinates into two-dimensional coordinates through projection conversion onto a projection plane, and converting the two-dimensional coordinates into screen coordinates.

REFERENCES:
patent: 6175802 (2001-01-01), Okude et al.
patent: 2003/0128203 (2003-07-01), Marshall et al.
patent: 2005/0052462 (2005-03-01), Sakamoto et al.

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