Returns a normal vector at the given index

Namespace: Autodesk.Revit.DB
Assembly: RevitAPI (in RevitAPI.dll) Version: 21.0.0.0 (21.1.1.109)
Since:  2014

Syntax

C#
public XYZ GetNormal(
	int idx
)
Visual Basic
Public Function GetNormal ( _
	idx As Integer _
) As XYZ
Visual C++
public:
XYZ^ GetNormal(
	int idx
)

Parameters

idx
Type: System..::..Int32
A zero-based index

Return Value

XYZ value representing a normal vector

Exceptions

ExceptionCondition
Autodesk.Revit.Exceptions..::..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.

See Also