Return a 3d frame at a parameter. This is slightly different than FrameAt in that the frame is computed in a way so there is minimal rotation from one frame to the next.

Namespace: Rhino.Geometry
Assembly: RhinoCommon (in RhinoCommon.dll) Version: Rhino 6.0

C#

public bool PerpendicularFrameAt(
	double t,
	out Plane plane
)

VB

Public Function PerpendicularFrameAt ( 
	t As Double,
	<OutAttribute> ByRef plane As Plane
) As Boolean

t

Type: System.Double
Evaluation parameter.

plane

Type: Rhino.Geometry.Plane
The frame is returned here.

Type: Boolean
true on success, false on failure.

Supported in: 6.0.16224.21491, 5D58w

Curve Class
Rhino.Geometry Namespace