code: def set_rotation(self, rotation):
          
          self._rotation = np.radians(rotation)
          self._polar.set_theta_offset(self._rotation + np.pi / 2.0)
          self.transData.invalidate()
          self.transAxes.invalidate()
          self._set_lim_and_transforms()
docs: Set the rotation of the stereonet in degrees clockwise from North.