$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 $pattern_tri_period. But we don't support periodicity 

Region_type .1~4 are triangle, circle, ellipse and rectangle.

If the parameters are not show in the figure, you should set those parameters as 0.

The $Metaltri setting in GUI interface is here
1. Press Ray Tracing and set up the general structure.
2. Press Set up Metal Bounries.
3. Press Add new regions for ray tracing and set the fields as needed!
4. Remember to press Save and run ray tracing!