$calcavQWLoc

$calcavQWLoc is the function to let the program to know which layer is the active region.

$calcavQWLoc
QW_number
QW1_layernumber
QW2_layernumber
QW3_layernumber
...
...
... to QW_number

For example:

$calcavQWLoc
5
3
5
7
9
11