NURBS (Non-Uniform Rational B-Spline) is a mathematical model that is used to create curves and surfaces based on B-spline geometry. These surfaces are defined by a set of 3D vertices of the B-splines that form an M*N array, where M is the count of rows and N is the count of columns.
Specific Properties of NURBS Surfaces
Working with Control Points of NURBS Surfaces
Computed Properties of NURBS Surfaces
OdDbNurbSurface Class in API Reference
A sample command for working with NURBS surfaces is located in the Drawing\Examples\DevGuideCommands
subdirectory of the ODA installation folder.
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