Spline, B-Spline and NURBS C++ library

Question

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

Answer 1

SISL seems to be a good NURBS library (under the AGPL licence). It is part of GoTools which can be cloned here.

Answer 2

This library may also be promising: http://libnurbs.sourceforge.net

Answer 3

Eigen Spline is based on the famous (fast) C++ template library for linear algebra.

Answer 4

Also ITK has a class for bspline itkBSplineScatteredDataPointSetToImageFilter see example at http://www.itk.org/Wiki/ITK/Examples/WishList/PointSet/BSplineScatteredDataPointSetToImageFilter ( documentation at http://www.itk.org/Doxygen/html/classitk_1_1BSplineScatteredDataPointSetToImageFilter.html http://www.itk.org/Doxygen/html/classitk_1_1BSplineScatteredDataPointSetToImageFilter.html )

Answer 5

1.) For B Splines - You should check Numerical Recipes in C (there is book for that and it is also available online for reference)

2.) Also check: sourceforge.net/projects/einspline/ & this

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Answer 6

An excellent library that is also supplemented by an online book is from MIT. Here is the (hyper)book http://web.mit.edu/hyperbook/Patrikalakis-Maekawa-Cho/mathe.html

and in the bottom of the link you will find the related software, here: http://web.mit.edu/hyperbook/Patrikalakis-Maekawa-Cho/software.html

GSL has a nice very basic b-spline implementation, but it does not include NURBS curves neither algorithms for inserting/removing knots, or several more advanced things. You can also find many useful algorithms that you can compile in your own language in the book, "The NURBS book", Piegl & Tiller, this one: http://www.amazon.com/NURBS-Book-Monographs-Visual-Communication/dp/3540615458

Numerical Recipes do not include support for b-splines.