Computer graphics processing and selective visual display system – Computer graphics processing – Graph generating
Patent
1997-08-07
2000-04-04
Zimmerman, Mark K.
Computer graphics processing and selective visual display system
Computer graphics processing
Graph generating
345437, 345438, G06F 1500
Patent
active
060467495
ABSTRACT:
Method for the modification of three-dimensional objects via an input device allowing only two-dimensional input. The method comprises creating a three-dimensional object and displaying a three-dimensional representation of the object. The method further comprises activating the three-dimensional object and displaying a representation of a three-dimensional coordinate system. One of the axes of the three-dimensional coordinate system assigned to the object is selected, and the origin of the assigned coordinate system is shifted within a global three-dimensional coordinate system along a line defined by the orientation of the selected axis of the assigned coordinate system. The three-dimensional object is then computed relative to the global coordinate system after shifting according to the displacement of the origin of the assigned coordinate system. A representation of the shifted three-dimensional object is then displayed on the computer screen.
REFERENCES:
patent: 4835528 (1989-05-01), Flinchbaugh
patent: 5581665 (1996-12-01), Sugiura et al.
patent: 5588098 (1996-12-01), Chen et al.
patent: 5825365 (1998-10-01), Hirota et al.
Autodesk, Inc.
Harrison Chante E.
Zimmerman Mark K.
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