Parametric function curve editing

Details Parametric function curve editing Parametric function curve editing

1997-04-04

2000-11-28

Zimmerman, Mark K.

Computer graphics processing and selective visual display system

Computer graphics processing

Shape generating

345474, G06T 1120

Patent

active

061542210

ABSTRACT:
A method of and system for editing a parametric function curve initializes tangent handles at selected keys, up-dates the parametric function curve responsive to the dragging of one of the tangent handles, verifies whether the up-dated parametric function curve is monotonic, and if not monotonic, repeatedly modifies the tangent handles until the parametric function curve is monotonic.

REFERENCES:
patent: 5317682 (1994-05-01), Luken, Jr.
patent: 5422990 (1995-06-01), Silverbrook et al.
patent: 5717848 (1998-02-01), Watanabe et al.
patent: 5717905 (1998-02-01), Iwanmoto et al.

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