P_Rhino_Geometry_Line_UnitTangent - mcneel/rhinocommon-api-docs GitHub Wiki
Gets the tangent of the line segment. Note that tangent vectors are always unit vectors.
Namespace: Rhino.Geometry
Assembly: RhinoCommon (in RhinoCommon.dll) Version: Rhino 6.0
C#
public Vector3d UnitTangent { get; }VB
Public ReadOnly Property UnitTangent As Vector3d
GetType: Vector3d
Sets only the direction of the line, the length is maintained.
Supported in: 6.0.16224.21491, 5D58w