{ gROOT->ProcessLine(".L sample_bx_classes_nohits.C+"); TFile f("samplerootfile.root"); BxEvent *e; bxtree->SetBranchAddress("events", &e); bxtree->GetEntry(2); std::vector& l = e->GetLaben().GetL(); std::cout << " Size of L: " << l.size() << std::endl; BxLabenCluster& v = e->GetLaben().GetClusters()[0]; std::vector& c = v.GetC(); std::cout << " Size of C: " << c.size() << std::endl; }