Curve.TangentAtStart

Public Property

Evaluates the unit tangent vector at the start of the curve.

Namespace: Rhino.Geometry

Assembly: RhinoCommon (in RhinoCommon.dll)

**Since:**5.0

Syntax

public Vector3d TangentAtStart { get; }

Return Value

Type: Vector3d
Unit tangent vector of the curve at the start point.

Remarks

No error handling.