my_star/StRoot/StHbtMaker/Reader/flow_pDST.cxx

/* needed by StHbtFlowPicoReader */

#define flow_pDST_cxx
#include "flow_pDST.h"
#include "TH2.h"
#include "TStyle.h"
#include "TCanvas.h"

void flow_pDST::Loop()
{
//   In a ROOT session, you can do:
//      Root > .L flow_pDST.C
//      Root > flow_pDST t
//      Root > t.GetEntry(12); // Fill t data members with entry number 12
//      Root > t.Show();       // Show values of entry 12
//      Root > t.Show(16);     // Read and show values of entry 16
//      Root > t.Loop();       // Loop on all entries
//

//     This is the loop skeleton
//       To read only selected branches, Insert statements like:
// METHOD1:
//    fChain->SetBranchStatus("*",0);  // disable all branches
//    fChain->SetBranchStatus("branchname",1);  // activate branchname
// METHOD2: replace line
//    fChain->GetEntry(i);  // read all branches
//by  b_branchname->GetEntry(i); //read only this branch
   if (fChain == 0) return;

   Int_t nentries = Int_t(fChain->GetEntries());

   Int_t nbytes = 0, nb = 0;
   for (Int_t jentry=0; jentry<nentries;jentry++) {
      Int_t ientry = LoadTree(jentry); //in case of a TChain, ientry is the entry number in the current file
      nb = fChain->GetEntry(jentry);   nbytes += nb;
      // if (Cut(ientry) < 0) continue;
   }
}