er->AddElement(em);
em->SetTransMatrix(*(detector->FindTransform(ring->GetId(), 2*m)));
em->SetShape(ring->GetId() == 'I' ? inner : outer);
- em->SetMainColor(Color_t(kRed));
+ em->SetMainColor(kRed);
em->SetMainTransparency(32);
em->IncDenyDestroy();