{
//////////////////////////////////////////////////////////
//   This file has been automatically generated 
//     (Tue Jul 14 10:50:34 2009 by ROOT version5.18/00d)
//   from TChain TruthTree/
//////////////////////////////////////////////////////////


//Reset ROOT and connect tree file
   gROOT->Reset();

#ifdef SINGLE_TREE
   // The following code should be used if you want this code to access
   // a single tree instead of a chain
   TFile *f = (TFile*)gROOT->GetListOfFiles()->FindObject("/scratch/dervan/H130GeV_Output.root");
   if (!f) {
      f = new TFile("/scratch/dervan/H130GeV_Output.root");
   }
   TTree *TruthTree = (TTree*)gDirectory->Get("TruthTree");

#else // SINGLE_TREE

   // The following code should be used if you want this code to access a chain
   // of trees.
   TChain *TruthTree = new TChain("TruthTree","");
   TruthTree->Add("/scratch/dervan/H130GeV_Output.root/TruthTree");
#endif // SINGLE_TREE

//Declaration of leaves types
   Int_t           RunNumber;
   Int_t           EventNumber;
   Char_t          Token[153];
   Int_t           truth_Z_num;
   Double_t        truth_Z1_pt;
   Double_t        truth_Z1_eta;
   Double_t        truth_Z1_phi;
   Double_t        truth_Z1_m;
   Int_t           truth_Z1_pdgid;
   Double_t        truth_Z2_pt;
   Double_t        truth_Z2_eta;
   Double_t        truth_Z2_phi;
   Double_t        truth_Z2_m;
   Int_t           truth_Z2_pdgid;
   Int_t           truth_H_num;
   Double_t        truth_H_pt;
   Double_t        truth_H_eta;
   Double_t        truth_H_phi;
   Double_t        truth_H_m;
   Int_t           truth_H_pdgid;
   vector<double>  truth_daughter1_pt;
   vector<double>  truth_daughter1_eta;
   vector<double>  truth_daughter1_phi;
   vector<double>  truth_daughter1_m;
   vector<int,allocator<int> > truth_daughter1_pdgid;
   vector<double>  truth_daughter2_pt;
   vector<double>  truth_daughter2_eta;
   vector<double>  truth_daughter2_phi;
   vector<double>  truth_daughter2_m;
   vector<int,allocator<int> > truth_daughter2_pdgid;

   // Set branch addresses.
   TruthTree->SetBranchAddress("RunNumber",&RunNumber);
   TruthTree->SetBranchAddress("EventNumber",&EventNumber);
   TruthTree->SetBranchAddress("Token",Token);
   TruthTree->SetBranchAddress("truth_Z_num",&truth_Z_num);
   TruthTree->SetBranchAddress("truth_Z1_pt",&truth_Z1_pt);
   TruthTree->SetBranchAddress("truth_Z1_eta",&truth_Z1_eta);
   TruthTree->SetBranchAddress("truth_Z1_phi",&truth_Z1_phi);
   TruthTree->SetBranchAddress("truth_Z1_m",&truth_Z1_m);
   TruthTree->SetBranchAddress("truth_Z1_pdgid",&truth_Z1_pdgid);
   TruthTree->SetBranchAddress("truth_Z2_pt",&truth_Z2_pt);
   TruthTree->SetBranchAddress("truth_Z2_eta",&truth_Z2_eta);
   TruthTree->SetBranchAddress("truth_Z2_phi",&truth_Z2_phi);
   TruthTree->SetBranchAddress("truth_Z2_m",&truth_Z2_m);
   TruthTree->SetBranchAddress("truth_Z2_pdgid",&truth_Z2_pdgid);
   TruthTree->SetBranchAddress("truth_H_num",&truth_H_num);
   TruthTree->SetBranchAddress("truth_H_pt",&truth_H_pt);
   TruthTree->SetBranchAddress("truth_H_eta",&truth_H_eta);
   TruthTree->SetBranchAddress("truth_H_phi",&truth_H_phi);
   TruthTree->SetBranchAddress("truth_H_m",&truth_H_m);
   TruthTree->SetBranchAddress("truth_H_pdgid",&truth_H_pdgid);
   TruthTree->SetBranchAddress("truth_daughter1_pt",&truth_daughter1_pt);
   TruthTree->SetBranchAddress("truth_daughter1_eta",&truth_daughter1_eta);
   TruthTree->SetBranchAddress("truth_daughter1_phi",&truth_daughter1_phi);
   TruthTree->SetBranchAddress("truth_daughter1_m",&truth_daughter1_m);
   TruthTree->SetBranchAddress("truth_daughter1_pdgid",&truth_daughter1_pdgid);
   TruthTree->SetBranchAddress("truth_daughter2_pt",&truth_daughter2_pt);
   TruthTree->SetBranchAddress("truth_daughter2_eta",&truth_daughter2_eta);
   TruthTree->SetBranchAddress("truth_daughter2_phi",&truth_daughter2_phi);
   TruthTree->SetBranchAddress("truth_daughter2_m",&truth_daughter2_m);
   TruthTree->SetBranchAddress("truth_daughter2_pdgid",&truth_daughter2_pdgid);

//     This is the loop skeleton
//       To read only selected branches, Insert statements like:
// TruthTree->SetBranchStatus("*",0);  // disable all branches
// TTreePlayer->SetBranchStatus("branchname",1);  // activate branchname

   Long64_t nentries = TruthTree->GetEntries();

   Long64_t nbytes = 0;
//   for (Long64_t i=0; i<nentries;i++) {
//      nbytes += TruthTree->GetEntry(i);
//   }
}