Polymesh Topology Get Normal Method

Returns a normal vector at the given index

Namespace: Autodesk.Revit.DB
Assembly: RevitAPI (in RevitAPI.dll) Version: 25.0.0.0 (25.0.0.0)

Syntax

public XYZ GetNormal(
	int idx
)

Public Function GetNormal ( 
	idx As Integer
) As XYZ

public:
XYZ^ GetNormal(
	int idx
)

member GetNormal : 
        idx : int -> XYZ

XYZ
XYZ value representing a normal vector

Exceptions

Exception	Condition
ArgumentException	The given value is not a valid index of a normal of the polymesh. A valid valure is not negative and is smaller than the number of normals in the polymesh.