File indexing completed on 2025-08-05 08:13:34
0001 int
0002 mergefiles()
0003 {
0004 TChain chain("pid_rich_small");
0005
0006 TString base("eval_RICH_PID_p");
0007 for ( float p = 2; p < 71; p+=2 )
0008 {
0009 TString file = base;
0010 file += p;
0011 file.Append(".root");
0012
0013 cout << "Adding file: " << file << endl;
0014 chain.Add( file );
0015 }
0016
0017 TFile *output = new TFile("output.root","RECREATE");
0018 chain.CloneTree(-1,"fast");
0019 output->Write();
0020 delete output;
0021
0022 chain.Draw("theta_mean:ptot","ptot>1","profs");
0023
0024 return 1;
0025 }