Grasshopper2.Geometry.Surfacenamespace

Fits a bicubic NURBS surface to an open mesh with a single boundary loop. The mesh is first flattened onto the unit square with a Tutte or mean value Laplacian, then the surface is found as the Riesz representative of the L2 pairing with the flattened mesh in the tensor-product B-spline basis, with the four corner control points pinned to the snapped corner vertices. Thin wrapper over RhBertFitSurface in cmdMathias.cpp (namespace Bert), reached through rhcommon_c; all linear algebra runs natively.