WCSim Validation

fbae23f6ef761bbb2e6a1f327adfc6cdb1e929a1

Pull Request #558: separate tyvek reflectivities

HKFDOD_500MeVem_ODbarrelIn_startY

Tests
1439.28 sec
Failed wcsimrootevent plot comparisons
Failed wcsimrootevent2 plot comparisons
Failed wcsimrootevent_OD plot comparisons
Geom pass
bad pass
Geometry warnings pass