$usespecgen

$usespecgen is the command to put generation profile with a specific function, which is mostly Gaussian shape generation profile.

$usespecgen
N_region
func_type A B sigx, sigy, xc, yc

For function type

1: $G(x,y) = A * exp(-\frac{(x-xc)^{2}}/{sigx^{2}}) * B * exp(-\frac{(y-yc)^{2}}/{sigy^{2}})$