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GetNormal Method

Returns a normal unit vector at the given index.

Namespace: Autodesk.Revit.DB
Assembly: RevitAPI (in RevitAPI.dll) Version: 21.0.0.0 (21.1.1.109)
Since: 2021

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. It must be consistent with the DistributionOfNormals.

Return Value

XYZ value representing a normal unit vector.

Exceptions

Exception Condition
Autodesk.Revit.Exceptions ArgumentException The given value is not a valid index of a normal of the mesh. A valid value is not negative and is smaller than the number of normals in the mesh.

See Also