檢視 $iffarfield 的原始碼

$iffarfield is a command to calculate the far-field after solving the cavity mode. The format is
 $iffarfield
 ifadjustsize xlen_ff ylen_ff xnum_ff ynum_ff
ifadjustsize=1 is to decide whether set the size of output window by yourself, else it will use the default size :
 xlen_ff = 500.0e-4 (cm)
 ylen_ff = 500.0e-4 (cm)
 xnum_ff = 201
 ynum_ff = 201
Example:
 $iffarfield
 1 400.0e-4 400.0e-4 101 101
or
 $iffarfield
 0