Works with VSimEM, VSimPD, and VSimMD licenses.
Creates a CSG object that is the set difference of two CSG objects.
regions (string vector)List of regions to be combined. If this is not set then two STRgn blocks must be defined.
STRgnx (block)A region to be combined.
<STRgn PBGSlab>
kind = setDifference
<STRgn box>
kind = box
lowerBounds = [0.0 0.0 -0.5]
upperBounds = [5.0 5.0 0.5]
</STRgn>
<STRgn holeArray>
kind = array
region = holeRow
origin = [0.0 0.5 0.0]
period = [0.0 1.0 0.0]
numTranslations = 5
</STRgn>
</STRgn>