Returns the unit quaternion cos(angle/2), sin(angle/2)*x, sin(angle/2)*y, sin(angle/2)*z where (x,y,z) is the unit vector parallel to axis. This is the unit quaternion that represents the rotation of angle about axis.

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

C#

public static Quaternion Rotation(
	double angle,
	Vector3d axisOfRotation
)

VB

Public Shared Function Rotation ( 
	angle As Double,
	axisOfRotation As Vector3d
) As Quaternion

angle

Type: System.Double
An angle in radians.

axisOfRotation

Type: Rhino.Geometry.Vector3d
The axis of rotation.

Type: Quaternion
A new quaternion.

Supported in: 6.0.16224.21491, 5D58w

Quaternion Structure
Rotation Overload
Rhino.Geometry Namespace