Process for drafting a curve in a computer-aided design system

Details Process for drafting a curve in a computer-aided design system Process for drafting a curve in a computer-aided design system

2005-02-02

2009-06-02

Alavi, Amir (Department: 2624)

Image analysis

Image segmentation

C345S442000

Reexamination Certificate

active

07542603

ABSTRACT:
A curve is created in a computer-aided design system, based on a set of points inputted by the user. A polyline is computed and the curvature envelope along said polyline is computed to determine particular points (A0, A1, A2, A3, A4, A5) on thepolyline, which are extrema of curvature. Segmenting points (M0,1, M1,2, M2,3, M3,4, M4,5) are selected between pairs of particular points. A curve passing through the particular segmenting points is computed and is fitted to thepolyline.The process provides a curve that is well fitted to the set of points and does not require high skills from the user.

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