Fractional parametric polystar methods and apparatus

Details Fractional parametric polystar methods and apparatus Fractional parametric polystar methods and apparatus

2011-01-04

2011-01-04

Harrison, Chante (Department: 2628)

Computer graphics processing and selective visual display system

Computer graphics processing

Shape generating

C345S442000, C345S443000, C345S619000

Reexamination Certificate

active

07864179

ABSTRACT:
Methods and apparatus disclosed herein receive a non-integer star points input parameter value, create a star shape with a number of star points equal to an integer portion of the star points input parameter plus one, and store or render the star shape to an output device. A fractional star point is differentiated from integer star points by a differential radial length between the two. Some embodiments also receive a non-integer polygon sides input parameter value and render a modified polygon shape with a total number of sides equal to an integer portion of the polygon sides input parameter plus one. A number of sides equal to the integer portion of the polygon sides parameter minus one are rendered as regular polygon sides. Two sides are rendered as adjacent symmetrical bezier curves, and the modified polygon shape is stored or rendered to an output device.

REFERENCES:
patent: 5471568 (1995-11-01), Webb et al.
patent: 5818458 (1998-10-01), Saito
patent: 2007/0188489 (2007-08-01), Lalvani

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