Please delete. problem solved

[couet]

May be this can help:

Failure to read Delphes root file

Hi I am trying to read a Delphes .root file which has the sub-structure as in the attached pic [image] with the rather usual way [code]TTree* t1 = (TTree*) f1->Get(“Analysis”); //TTree* t2 = (TTree*) f2->Get(“Analysis”); TBranch *b_met = t1->GetBranch(“ETmis.ET”); b_met->SetAddress(&met); //t1->SetBranchAddress(“ETmis_size”, &met); Long64_t nentries = t1->GetEntries(); for (Long64_t ev=0;ev<nentries;ev++) { b_met->GetEntry(ev); cout<<met<<endl; } [/code] but this does not work g…