Bezier Curves and Surfaces (Redbook ch12)
Bezier Curves and Surfaces (Redbook ch12)
Bezier Curves and Surfaces (Redbook ch12)
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Interpolating Cubic Polynomials Simplest case, but rarely used in practice Four control points p 0, ..., p 3 Fit a cubic polynomial through them● Space u evenly: p 0= p(0), p 1=[= p(1/3), ...1p 0c 2 2 p 1]3c3 3 p 21 2 pp 3= p1=c 0c 1c 2c 33 2 23 3p 0 = p0=c 0p 1= p 1 3 =c 0 1 3 c 1 1 3 2c 2 1 3 3c 3p 2 = p 2 3 =c 0 2 3 c 1 2 3 2[0 0 01 1 3 1 3 2 1 3 3 2 3 31 1 1 1][c0c 1]c 2c 3CMPT370: <strong>Bezier</strong> curves 27 Mar 20076