Polyline.TangentAt Method

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)
Since: 5.0
Syntax
Copy
public Vector3d TangentAt(
	double t
)
Public Function TangentAt ( 
	t As Double
) As Vector3d

Parameters

t
Type: SystemDouble
Polyline parameter.

Return Value

Type: Vector3d
The tangent along the polyline at t.
See Also

M:Rhino.Geometry.Polyline.TangentAt(System.Double)