When I done SP simulation, there should be 'main plot' in the 'direct plot'. But now there is no 'main plot' in the 'direct plot', why. The sp simulation is compete. 0 I/ k7 H% @- P" u* R ( K' F0 e" U, x2 kThe right figure should be like the bellowing figure: 2 m, o4 A! W5 p0 ]