check_overlaps

-check_overlaps=<value> ....: check overlaps


   Check for overlaps at physical volume construction.
   Possible values are:
   - 0 (default): no check.
   - 1: check for overlaps at physical volume construction.
   - 2: use the geant4 overlap validator with the default number of points on the surface
   - Any N greater than 100: use the geant4 overlap validator with N points on the surface