A NurbsSurfaceMesh is a kind of Geometry. You can navigate the NurbsSurfaceMesh using the generic objects such as Facet, Point and Sample or you can navigate using objects that are specific to the NurbsSurfaceMesh such as NurbsSurface, ControlPoint and NurbsSample.

AddCluster	AddEmptyCluster	AddICEAttribute	AddSurface
AddSurfaceWithTrim	ConstructPointLocators	CreateSubComponent	EvaluateClusterProperty
EvaluateNormals	EvaluatePositions	Get	Get2
GetBoundingBox	GetBoundingCapsule	GetBoundingSphere	GetClosestLocations
GetClosestLocationsWithinRadius	GetClosestSurfacePosition	GetClosestSurfacePosition2	GetICEAttributeFromName
GetNormalizedUVArray	GetRaycastIntersections	GetSubSurfaceIndexArray	GetSurfacePointLocatorsFromPoints
IsClassOf	IsEqualTo	RemoveICEAttribute	SaveShapeKey
Set	SetupPointLocatorQueries

Application	Cache	Categories	Clusters
Facets	FullName	Help	ICEAttributes
Name	NestedObjects	Origin	OriginPath
Parent	Points	Samples	Segments
Surfaces	Triangles	Type

VBScript Example

set oObject = Application.ActiveProject.ActiveScene.Root.AddGeometry("Sphere","NurbsSurface")
set oNurbsSurfaceMesh = oObject.ActivePrimitive.Geometry

Primitive.Geometry X3DObject.AddNurbsSurfaceMesh X3DObject.AddNurbsSurface