B-Spline, Bézier Curve, Cubic Spline, NURBS Curve, Thin Plate Spline Explore with Wolfram|Alpha References Bartels, R. H.; Beatty, J. C.; and Barsky, B. A. An Introduction to Splines for Use in Computer Graphics and Geometric Modelling. San Francisco, CA: Morgan Kaufmann, 1998. de Boor, C. A Practical Guide to Splines. New York: Springer ...