def calcCHI(chi): return y_rotation(chi)
def Y(th_deg): return y_rotation(th_deg * TORAD)
def _configure_ub(self): ZROT = z_rotation(self.zrot * TORAD) # -PHI YROT = y_rotation(self.yrot * TORAD) # +CHI U = ZROT * YROT UB = U * self.B self.mock_ubcalc.UB = UB