[Wien] Orbital potentials are only considered in atomic spheres?

[yxl@email.jlu.edu.cn]

Dear usrs,
  In 7.7 LAPWDM of userguide i read 'It calculates the average value of the operator X which behaves in the same way as the spin-orbit coupling operator: it must be nonzero only within the atomic spheres'. Can't i explain it like this: Orbit potentials are only considered in atomic spheres like spin-orbit coupling, so the results depend to some extent on the choice of atomic spheres radii.
                                             yours sincerely,
                                                hongxia