$Metaltri
$Metaltri is the command to provide additional shape for metal region setting. The command is
$Metaltri Metaltriregionnum Region_type Reflectivity f1 f2 f3 f4 f5 f6 f7 f8 Region_type Reflectivity f1 f2 f3 f4 f5 f6 f7 f8 .... Region_type Reflectivity f1 f2 f3 f4 f5 f6 f7 f8
The Region_type and f1 f2 f3 f4 f5 f6 f7 f8 is similar to the command of