	Name	Description
	bottomEdge	Surface's left pole or tip.
	leftEdge	Surface's bottom pole or tip.
	rightEdge	Surface's top pole or tip.
	topEdge	Surface's right pole or tip.

	Name	Description
	ControlPoints	Gets the surface control points array.
	ConvexHull	The convex hull of the surface.
	DegreeU	Gets surface degree in the U direction.
	DegreeV	Gets surface degree in the V direction.
	Direction	Gets surface normal direction.
	DomainU	Gets surface domain in U parametric direction.
	DomainV	Gets surface domain in V parametric direction.
	IsClosedU	Returns true if the surface is closed in the U direction.
	IsClosedV	Returns true if the surface is closed in the V direction.
	IsRational	Returns true if the surface is rational.
	IsTrimmed	Returns true if the surface is trimmed.
	KnotVectorU	Gets or sets the surface knot vector in the U parametric direction.
	KnotVectorV	Gets or sets the surface knot vector in the V parametric direction.
	PolyRegion	Gets or sets surface tessellation polygonal region.
	RegenMode	Overridden.
	SeamU	Gets surface seam U, if exists.
	SeamV	Gets surface seam V, if exists.
	ShowCurvature	When true, curvature map is displayed.
	TextureOffsetU	Gets or set surface texture mapping offset in U direction.
	TextureOffsetV	Gets or set surface texture mapping offset in V direction.
	TextureScaleU	Gets or set surface texture mapping scale in U direction.
	TextureScaleV	Gets or set surface texture mapping scale in V direction.
	Triangles	Gets tessellation triangles array.
	Trimming	Gets or sets the surface's trimming region.

	Name	Description
	Blend	Creates a blend surface between two surfaces.
	Chamfer	Overloaded. Constant chamfer between two surfaces.
	Clone	Overridden. Creates a deep copy of this surface.
	ClosestPointTo	Overloaded. Finds the closest point on the surface.
	CollinearNormal	Computes the collinear normal between two surfaces.
	Compile	Overridden.
	ComputeCurvatureMap	Computes the desired curvature map.
	ControlBoundingBox	Overloaded. Overridden. Returns the 3D size of the surface control point net axis aligned bounding box.
	ConvertToMesh	Converts this Surface to a Mesh object.
	ConvertToSolid	Converts this Surface to a Mesh object.
	ConvertToSolid3D	Converts this Surface to a Solid3D object.
	ConvertToSurrogate	Overridden.
	CreateEllipsoid	Creates a NURBS ellipsoid centered in the origin.
	CreatePlanar	Creates a planar rectangular surface parallel to the specified plane.
	Curvature	Overloaded. Evaluates the surface Gaussian and Mean curvatures at the specified 2D point.
	Decompose	Decomposes the surface into Bézier patches.
	DecomposeU	Decomposes the surface into Bézier patches in the U parametric direction.
	DecomposeV	Decomposes the surface into Bézier patches in the U parametric direction.
	DegreeElevateU	Degree elevates the surface in the U parametric direction.
	DegreeElevateV	Degree elevates the surface in the V parametric direction.
	Dispose	Overridden.
	DropCurve	Creates the 2D parametric curve corresponding to a 3D geometric curve which lies on or near a surface.
	DropLoops	Creates the 2D parametric trim loops corresponding to a 3D geometric - closed - contours list which lie on a surface.
	Dump	Overridden.
	EstimateBoundingBox	Overridden.
	Evaluate	Overloaded. Computes the surface point.
	ExtractEdge	Returns the specified 3D edge curve.
	ExtractEdges	Returns all the surface 3D edge curves.
	ExtractLoops3D	Returns all the surface 3D edge curves.
	ExtrudeWithTwist	Overloaded. Extrudes and twists a planar curve.
	Fillet	Overloaded. Constant fillet between two surfaces.
	FindClosestTriangle	Overloaded. Returns a list of triangles hit by the provided segment.
	FlipNormal
	FreeCache	Frees point projection and convex hull cache memory.
	GetControlNetPoints2D
	GetGeneric	Returns the generic representation of this surface, it can be useful in data translation.
	GetObjectData	Overridden.
	GetPolygonMeshes
	GetXElement	Overridden.
	GlobalInterpolation	Global surface interpolation.
	Gordon	Overloaded. Creates a Gordon surface.
	InsertKnotU	Overloaded. Inserts a knot a number of times in the U parametric direction.
	InsertKnotV	Overloaded. Inserts a knot a number of times in the V parametric direction.
	Intersect	Determines if two groups of surfaces intersect.
	Intersection	Computes the intersection of two groups of surfaces as a collection of curves.
	Intersects	Overloaded. Determines if the surface intersects with another surface.
	IntersectWith	Overloaded. Computes the intersection with the specified surface as a collection of curves.
	IsocurveU	Generates an iso curve in the U parametric direction.
	IsocurveV	Generates an iso curve in the V parametric direction.
	IsOnSeamU	Checks if a curve is on the seam of a surface.
	IsOnSeamV	Checks if a curve is on the seam of a surface.
	IsPlanar	Checks if the surface is planar.
	IsValid	Overridden.
	LiftCurve	Creates the 3D curve corresponding to a 2D curve in the parametric space of the surface.
	Loft	Overloaded. Creates a surface from skinning.
	MergeKnotsAndPwU	Joins two surfaces. Surfaces must be properly oriented and of the same degree.
	MinimumDistance	Computes the minimum distance between two surfaces.
	Normal	Overloaded. Evaluates the surface normal at the specified parametric point.
	Offset	Computes the offset surface.
	PointAt	Overloaded. Computes the surface point.
	PointInversion	Overloaded. Projects a point on the surface. The point must already lay on the surface.
	Project	Overloaded. Projects a point on the surface.
	Promote	Converts this generic surface to PlanarSurface, TabulatedSurface or RevolvedSurface (when possible).
	RebuildEdge	Rebuild the 3D edge curve corresponding to a 2D trim curve in the parameter space of the surface.
	RebuildEdges	Rebuild all the surface 3D edges.
	RefineKnotVectorU	Refines the surface knot vector U.
	RefineKnotVectorV	Refines the surface knot vector V.
	Regen	Overloaded. Overridden. Computes the curve or surface tessellation.
	RemoveKnotsU	Removes as many knots as possible from the U knot vector of a surface.
	RemoveKnotsV	Removes as many knots as possible from the V knot vector of a surface.
	RemoveKnotU	Removes an internal knot from the surface U knot vector.
	RemoveKnotV	Removes an internal knot from the surface V knot vector.
	Resize	Resizes a surface.
	ResizeKeep	Resizes a surface, keeping original values.
	ReverseContour
	ReverseU	Reverses the surface U direction.
	ReverseV	Reverses the surface V direction.
	Ruled	Creates a surface connecting linearly two curves.
	Section	Overloaded. Computes the section of a group of surfaces and a plane as a collection of curves.
	Shrink	Shrinks the underlying untrimmed surface in order to make it as small as possible.
	SkinU	Overloaded. Creates a surface from skinning. The skinning is performed in the U direction.
	SkinV	Overloaded. Creates a surface from skinning. The skinning is performed in the V direction.
	Split	Overloaded. Splits a surface group by a surface.
	SplitAtU	Splits the surface along U.
	SplitAtV	Splits the surface along V.
	SplitBy	Overloaded. Splits the surface by a plane.
	SplitByU	Splits the surface along U.
	SplitByV	Splits the surface along V.
	SwapUV	Swaps the U and V directions of the surface.
	ToString
	TransformBy	Overridden.
	Trim	Overloaded. Trims a surface group using the limit plane provided. Always removes the splits on the positive side of the plane.
	TrimBy	Overloaded. Trim the surface using the limit surface provided.
	TryGetPlanar	Converts this generic surface to PlanarSurface (when possible).
	TryGetRevolved	Converts this generic surface to RevolvedSurface (when possible).
	TryGetTabulated	Converts this generic surface to TabulatedSurface (when possible).
	Untrim	Clears all trimming loops.
	VariableChamfer	Overloaded. Variable chamfer between two surfaces.
	VariableFillet	Overloaded. Variable fillet between two individual surfaces.

	Name	Description
	CheckWeight9	Check if the weight of odd control points is Sqrt(2)/2.
	ComputeBoundingBox	Overridden.
	Draw	Overridden.
	DrawEdges	Overridden.
	DrawForSelection	Overridden.
	DrawForSelectionWireframe	Overridden.
	DrawForShadow	Overridden.
	DrawHiddenLines	Overridden.
	DrawIsocurves	Overridden.
	DrawIsocurvesForFlat	Overridden.
	DrawNormals	Overridden.
	DrawSilhouettes	Overridden.
	DrawWireframe	Overridden.
	EvaluateIntersectEdges	Overridden.
	EvaluateIntersectTriangles	Overridden.
	FixCurvesStartingAndEndingOnSeam
	FixCurvesStartingAndEndingOnSeamU
	FixCurvesStartingAndEndingOnSeamV
	GetIndividualSurfaces	Subdivides a surface at knots of multiplicity equal to the order. Tabulated Surfaces are divided only along the U direction, Revolved Surfaces only in the V direction.
	GetTrimLoopsXElement
	InitGraphicsData	Overridden.
	InsideOrCrossingFrustum	Overridden.
	InsideOrCrossingScreenPolygon	Overridden.
	MakeCurveFromPoints	Builds a local approximation from the input points.
	Render	Overridden.
	RestoreOriginalDomainAndAddTrimLoops	Overloaded.
	SetShader	Overridden.
	ThroughTriangle	Overridden.
	ThroughTriangleScreenPolygon	Overridden.
	TrimInternal

Reference