M_Rhino_Geometry_Polyline_TangentAt - mcneel/rhinocommon-api-docs GitHub Wiki
Gets the unit tangent vector along the polyline at the given parameter. The integer part of the parameter indicates the index of the segment.
Namespace: Rhino.Geometry
Assembly: RhinoCommon (in RhinoCommon.dll) Version: Rhino 6.0
C#
public Vector3d TangentAt(
double t
)VB
Public Function TangentAt (
t As Double
) As Vector3d
- t
- Type: System.Double
Polyline parameter.
Type: Vector3d
The tangent along the polyline at t.
Supported in: 6.0.16224.21491, 5D58w