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Does anyone know of a library or set of classes for splines - specifically b-splines and NURBS (optional).
A fast, efficient b-spline library would be so useful for me at the moment.
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Non-Uniform Rational B-Splines (NURBS) is simply the name for the mathematics that is used to create the geometry in Alias, and in many other CAD systems.
What are NURBS? NURBS, Non-Uniform Rational B-Splines, are mathematical representations of 3D geometry that can accurately describe any shape from a simple 2D line, circle, arc, or curve to the most complex 3D organic free-form surface or solid.
NURBS (nonuniform rational B-splines) are mathematical representations of 2- or 3-dimensional objects, which can be standard shapes (such as a cone) or free-form shapes (such as a car).
CAD surface models are usually created using NURBS surfaces, while 3D scans are typically exported as a polygon mesh. The conversion from a polygon mesh to a NURBS model is called “reverse engineering”.
I know I'm answering months after this question was asked, but for others who might be searching for a similar answer, I'll point out openNURBS.
OpenNURBS also happens to be the library used in the modeling package Rhinoceros. It's a very complete library and it's worth consideration.
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