Returns a normal unit vector at the given index.
Namespace: Autodesk.Revit.DB
Assembly: RevitAPI (in RevitAPI.dll) Version: 26.1.0.0 (26.1.0.34)
Syntax
C#
public XYZ GetNormal( int idx )
Parameters
- idx Int32
- A zero-based index. It must be consistent with the DistributionOfNormals.
Return Value
XYZXYZ value representing a normal unit vector.
Exceptions
| Exception | Condition |
|---|---|
| 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. |