M_Rhino_Geometry_Circle_TangentAt - mcneel/rhinocommon-api-docs GitHub Wiki
Circles use trigonometric parameterization: t -> center + cos(t)radiusxaxis + sin(t)radiusyaxis.
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
Parameter of tangent to evaluate.
Type: Vector3d
The tangent at the circle at the given parameter.
Supported in: 6.0.16224.21491, 5D58w