quaternion_to_axis_angle#
- static GeometryOperators.quaternion_to_axis_angle(q)[source]#
Convert a quaternion to the axis angle rotation formulation.
- Parameters:
- q
List List of
[q1, q2, q3, q4]coordinates for the quaternion.
- q
- Returns:
tuple([ux, uy, uz], theta) containing the rotation axes expressed as X, Y, Z components of the unit vector
uand the rotation angle theta expressed in radians.