fractaldna.utils.rotations.quaternion_about_axis

fractaldna.utils.rotations.quaternion_about_axis(angle, axis)

Return quaternion for rotation about axis.

>>> q = quaternion_about_axis(0.123, [1, 0, 0])
>>> np.allclose(q, [0.99810947, 0.06146124, 0, 0])
True