System and method for rendering bezier splines

Details System and method for rendering bezier splines System and method for rendering bezier splines

G - Physics

06

T

G06T 11/20 (2006.01) G06F 3/14 (2006.01)

Patent

CA 2099720

A high speed and memory efficient method and system for determining with a computer when a curve defined by a set of Bézier control points is sufficiently approximated by a line segment so that the reduction of the Bézier curve into smaller curves can stop. The method is readily implemented on a computer using vectors formed using vector addition and subtraction and is applicable to Bézier curves of any order.

L'invention est constituée par une méthode et un système rapides qui utilisent efficacement l'espace en mémoire pour déterminer à l'aide d'un ordinateur quand une courbe définie par un ensemble de points de contrôle de Bézier est suffisamment approchée par un segment de ligne pour que la réduction de la courbe de Bézier en courbes plus petites puisse être interrompue. La méthode de l'invention peut être facilement installée sur un ordinateur au moyen de vecteurs obtenus par addition et par soustraction vectorielles et est applicable aux courbes de Bézier d'ordre quelconque.

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