Axel Schwank wrote: > > Dear Rooters, > I have a problem again and I do absolutely not see what's going wrong. > In the following macro: > > { > ////////////////////////////////////////////////////////// > // This file has been automatically generated > // (Fri Feb 6 10:17:16 1998 by ROOT version 1.03/09) > // from TTree T/Required banks for cosmic analysis > // found on file: /afs/desy.de/user/s/schwank/store/root/Test.root > ////////////////////////////////////////////////////////// > > //Reset ROOT and connect tree file > gROOT->Reset(); > TFile *f = new TFile("/afs/desy.de/user/s/schwank/store/root/Dice3.root"); > TTree *T = (TTree*)f->Get("T"); > > //Declaration of leaves types > Int_t DTRA_; > Float_t DTRA_fPtinv_tr[160]; > Float_t DTRA_fPhi_tr[160]; > Float_t DTRA_fThet_tr[160]; > // .... > Float_t DTRA_fQ_tr[160]; > UInt_t DMIS_fUniqueID[20]; > UInt_t DMIS_fBits[20]; > > //Set branch addresses > T->SetBranchAddress("DTRA_",&DTRA_); > T->SetBranchAddress("DTRA.fPtinv_tr",DTRA_fPtinv_tr); > T->SetBranchAddress("DTRA.fPhi_tr",DTRA_fPhi_tr); > T->SetBranchAddress("DTRA.fThet_tr",DTRA_fThet_tr); > T->SetBranchAddress("DTRA.fQ_tr",DTRA_fQ_tr); > // .... > T->SetBranchAddress("DMIS.fUniqueID",DMIS_fUniqueID); > T->SetBranchAddress("DMIS.fBits",DMIS_fBits); > > // This is the loop skeleton > // To read only selected branches, Insert statements like: > // T->SetBranchStatus("*",0); // disable all branches > // T->SetBranchStatus("branchname",1); // activate branchname > > Int_t nentries = T->GetEntries(); > histo1=TH1S("DKappa","Delta Kappa",80,0,2); > histo2=TH1S("SKappa","Sigma Kappa",80,-2,2); > > Float_t dkappa = 0; > Float_t skappa = 0; > Float_t kappa = 0; > Int_t nbytes = 0; > for (Int_t i=0; i<nentries;i++) { > nbytes += T->GetEvent(i); > cout << 0.5*(DTNV_fDcurv_tn[DCOS_fDtnv[0]]+DTNV_fDcurv_tn[DCOS_fDtnv2[0]]); > // skappa = DTNV_fCurv_tn[DCOS_fDtnv[0]]-DTNV_fCurv_tn[DCOS_fDtnv2[0]]; > // kappa = 0.5*(DTNV_fCurv_tn[DCOS_fDtnv[0]]+DTNV_fCurv_tn[DCOS_fDtnv2[0]]); > // pt = fabsf(2.99795e-4*DMIS_fB_field[0]/kappa); > // if (pt>1 && pt<10){ > // histo1.Fill(dkappa/kappa); > // histo2.Fill(skappa/kappa); > // } > } > } > > ROOT complains "No symbol i in current scope" in the line containing the > for-loop !!! If i remove the comments in the following lines, the > interpreter complains "Undeclared data member skappa", even if declared. > I'm helpless, who sees the problem ? > Thanks in advance. > > Axel Schwank Axel, When I run your macro, I correctly get the following errors: Error: No symbol DCOS_fDtnv[0] in current scope FILE:/disk2/user/brun/root/./axel.C LINE:5 If I remove the cout statement, your program runs as expected. Rene Brun
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