To generate interpolating surfaces for other subdivision schemes we need a method of determining the position and the normal at a set of points on the limit surface. Because the surface is the result of repeated application of a subdivision step, we can analyze the behavior of a small neighborhood of points as they converge to the limit surface in order to determine the surface properties at the point of convergence.



Senior FX Technical Director @ Industrial Light & Magic | Feature film credits include The Lord of the Rings: The Rings of Power, Marvel's Eternals, Star Wars: The Rise of Skywalker, X-Men: Dark Phoenix, X-Men: Apocalypse, Aquaman, Alien: Covenant, Pirates of the Caribbean, Justice League and many more.

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