Bézier surface

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A surface swept out by a moving Bézier curve of constant degree. Each control point of the original Bézier curve also moves through space on a Bézier curve and the curves on which the control points move all have the same degree.

Suppose the initial curve is a Bézier curve of degree m,and let each ri traverse a Bézier curve of degree n,then the point rm,n(u,v) on the surface is given by

Subjects: Computing.

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