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Introducing Maya® 2011 by Dariush Derakhshani

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NURBS!

NURBS modeling depends on surfaces that are created using curves. Just as control vertices (CVs) are connected to form curved lines, NURBS surfaces are created by connecting (or spanning) curves. Therefore, typical NURBS modeling pipelines first involve the creation of curves that define the edges, outline, paths, and/or boundaries of surfaces.

When a surface is created, its shape is defined and governed by its isoparms. These surface curves, or curves that reside solely on a surface, show the outline of a surface’s shape much as the chicken wire in a wire mesh sculpture does. CVs on the isoparms define and govern the shape of these isoparms just as they would regular curves. Adjusting a NURBS surface involves manipulating the CVs of the ...

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