Class Hierarchy
AcRxObject AcGiDrawable AcDbObject AcDbEntity AcDbSurface AcDbNurbSurface
C++
class AcDbNurbSurface : public AcDbSurface;
File
dbnurbsurf.h
Description
This class implements the AutoCAD NURBS surface entity. Objects of the AcDbNurbSurface class use ASM (Autodesk shape manager) which is a solid modeler. The following books are a good place to start to get a basic understanding of spline curves: Curves and Surfaces for CAGD by Gerald Farin The essentials of CAGD by Gerald Farin