#define T_cxx
#include "T.h"
#include <TH2.h>
#include <TStyle.h>
#include <TCanvas.h>


void T::Loop(Int_t CutValue)
{
//   In a ROOT session, you can do:
//      Root > .L T.C
//      Root > T 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 where:
//    jentry is the global entry number in the chain
//    ientry is the entry number in the current Tree
//  Note that the argument to GetEntry must be:
//    jentry for TChain::GetEntry
//    ientry for TTree::GetEntry and TBranch::GetEntry
//
//       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(jentry);       //read all branches
//by  b_branchname->GetEntry(ientry); //read only this branch
   if (fChain == 0) return;

   TH1F *NaIOutput=new TH1F("NaIOutput","NaIOutput",2000,0,2000);
 
   Long64_t nentries = fChain->GetEntriesFast();

   Long64_t nbytes = 0, nb = 0;

   Int_t GoodEvent=0;

   //for (Long64_t jentry=4; jentry<nentries;jentry++) 
   for (Long64_t jentry=0; jentry<nentries;jentry++) 
     {
       Long64_t ientry = LoadTree(jentry);
       if (ientry < 0) break;
       nb = fChain->GetEntry(jentry);   nbytes += nb;
       // if (Cut(ientry) < 0) continue;
       
       //       T->Draw("CH14:Iteration$","","L",1,jentry);

       GoodEvent=Cut(jentry);
       if( GoodEvent > 10 && GoodEvent < 20)
	 cout << "Event:" << jentry << "   Cut  " <<  GoodEvent << endl;

       if(GoodEvent > CutValue)
	 {
	   //	   cout << "Event:" << jentry << "   Integral" <<  IntegrateEvent(jentry) << endl;
	   NaIOutput->Fill(IntegrateEvent(jentry));

	 }

     }
   NaIOutput->Draw();
}