Computer graphics processing and selective visual display system – Computer graphics processing – Three-dimension
Reexamination Certificate
2006-11-10
2010-11-09
Tung, Kee M (Department: 2628)
Computer graphics processing and selective visual display system
Computer graphics processing
Three-dimension
C703S001000, C700S098000
Reexamination Certificate
active
07830376
ABSTRACT:
A method for detecting two dimensional sketch data from source model data for three dimensional reverse modeling. The method includes the steps of detecting optional model data, establishing X-axis, Y-axis and Z-axis of the model data depending upon a reference coordinate system information inputted from a user, and setting a work plane for detecting two dimensional section data of the model data; projecting, on the work plane, two dimensional section data to be detected from the model data or polylines detected by designating a detection position; detecting two dimensional projected section data of the model data projected on the work plane, and dividing the two dimensional projected section data into feature segments depending upon a curvature distribution; and establishing a constraint and numerical information in accordance with connection of the divided feature segments of the two dimensional projected section data, and creating two dimensional sketch data.
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Bae Seock Hoon
Chung Kang Hoon
Lee Dong Hoon
Craddock Robert
Harness & Dickey & Pierce P.L.C.
INUS Technology, Inc.
Tung Kee M
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