WCSim Validation

7361166e7d8a25aca660c40fb35ae75eee79e805

Pull Request #563: set default reflectivity values for FDOD TYVEK

TEST_SK_5MeVem_centre_xdir

Tests
2.36 sec
wcsimrootevent plot pass
wcsimrootevent2 plot pass
wcsimrootevent_OD plot pass
Geom pass
bad pass
Geometry warnings pass