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. ' G! G! ^* C7 N
E' {& i* ?$ t7 i5 r+ x' C' `3 }* o
The right figure should be like the bellowing figure: Y& O: w' x; R3 j0 {- e" N