RhinoCommon API
PolylineTangentAt Method |
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)

Parameters
- t
- Type: SystemDouble
Polyline parameter.
Return Value
Type: Vector3dThe tangent along the polyline at t.

Rhino for Mac
Supported in: 5.4Rhino for Windows
Supported in: 6.8