M

Face.ComputeNormal

Description:
Returns the normal vector for the face at the given point.

Remarks:
Differs from the normal returned from ComputeDerivatives(UV) in that this vector is the "face normal" vector. It will always be oriented to point out of a solid that contains the face.

public XYZ ComputeNormal(
	UV point
)

Public Function ComputeNormal ( _
	point As UV _
) As XYZ

public:
XYZ^ ComputeNormal(
	UV^ point
)

Autodesk.Revit.DB.UV

point

The parameters to be evaluated, in natural parameterization of the face.

Return Value XYZ The normal vector. This vector will be normalized.