Computer graphics processing and selective visual display system – Computer graphics processing – Three-dimension
Reexamination Certificate
2006-10-24
2006-10-24
Nguyen, Phu K. (Department: 2673)
Computer graphics processing and selective visual display system
Computer graphics processing
Three-dimension
C345S427000, C345S619000
Reexamination Certificate
active
07126599
ABSTRACT:
A graphics processing apparatus for computing the distance between two three-dimensional graphic elements without reducing the user's operating efficiency is provided. The graphics processing apparatus selects, from among three-dimensional objects displayed on a display, graphic elements between which the distance is to be computed, determines a projection reference in accordance with a viewing direction and geometric information on the graphic elements, and determines a projection plane in accordance with the projection reference. The graphic elements are projected onto the determined projection plane, and the minimum distance between the selected graphic elements is computed from the projected graphic elements.
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Nakanishi Naoki
Nishitani Hitoshi
Canon Kabushiki Kaisha
Fitzpatrick ,Cella, Harper & Scinto
Nguyen Phu K.
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