Namespace: Autodesk.Revit.DB Class: PolymeshTopology

PolymeshTopology.GetNormal

Method

Description:
Returns a normal vector at the given index

Syntax

public XYZ GetNormal(
	int idx
)

Public Function GetNormal ( 
	idx As Integer
) As XYZ

public:
XYZ^ GetNormal(
	int idx
)

member GetNormal : 
        idx : int -> XYZ

Parameters

Parameter	Type	Description
idx	Int32	A zero-based index

Return Value

Type	Description
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.