Computer graphics processing and selective visual display system – Computer graphics processing – Three-dimension
Reexamination Certificate
2005-08-10
2008-08-12
Nguyen, Phu K (Department: 2628)
Computer graphics processing and selective visual display system
Computer graphics processing
Three-dimension
C345S426000, C345S428000, C345S619000, C701S208000
Reexamination Certificate
active
07411587
ABSTRACT:
A method and apparatus for three-dimensionally transforming two-dimensional linear data in real time and a method and apparatus for three-dimensionally visualizing the two-dimensional linear data in real time. The method of three-dimensionally transforming two-dimensional linear data in real time includes: searching triangles in which vertexes constituting the two-dimensional linear data are contained among triangles constituting the three-dimensional topography data; calculating heights of the vertexes by using three-dimensional coordinates of the searched triangles; calculating intersection points between the triangles constituting the three-dimensional topography data and straight lines constituting the two-dimensional linear data; and calculating heights of the calculated intersection points. The two-dimensional linear data is three-dimensionally transformed in accordance with three-dimensional topography data in real time and three-dimensionally visualized together with three-dimensional topography data in real time, so that map information can be perceived intuitively and conveniently by a user.
REFERENCES:
patent: 6622085 (2003-09-01), Amita et al.
patent: 6917877 (2005-07-01), Yang
patent: 7023432 (2006-04-01), Fletcher et al.
patent: 10-2000-0043733 (2000-07-01), None
Ahn Jeong-hwan
Kim Do-kyoon
Lee Heesae
Lee Kee-chang
Lee Shin-jun
Nguyen Phu K
Samsung Electronics Co,. Ltd.
Staas & Halsey , LLP
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