Curve.TangentAt

Public Class

Evaluates the unit tangent vector at a curve parameter.

Namespace: Rhino.Geometry

Assembly: RhinoCommon (in RhinoCommon.dll)

**Since:**5.0

Syntax

public Vector3d TangentAt(
  double t
)

Parameters

t

Type:System.Double
Evaluation parameter.

Return Value

Type: Vector3d
Unit tangent vector of the curve at the parameter t.

Remarks

No error handling.