diff --git a/examples/gtrk_e/comp_gtrk_e.C b/examples/gtrk_e/comp_gtrk_e.C
deleted file mode 100644
index a3e1a0675f9e5f2f9a135a3c6f56c2f3684b3447..0000000000000000000000000000000000000000
--- a/examples/gtrk_e/comp_gtrk_e.C
+++ /dev/null
@@ -1,200 +0,0 @@
-#define hcana_class_cxx
-#define engine_class_cxx
-
-#include <TTree.h>
-#include <TFile.h>
-#include <TROOT.h>
-#include <iostream>
-#include <TMath.h>
-#include <TLegend.h>
-#include "hcana_class.h"
-#include "engine_class.h"
-
-using namespace std;
-
-void comp_gtrk_e() {
-
-  // Compare Ecalo of the golden track from Engine and hcana.
-
-  // hcana tree
-
-  hcana_class* hcana_tree = new hcana_class(0);
-
-  Long64_t hcana_nentries = hcana_tree->fChain->GetEntriesFast();
-  cout << "hcana_nentries = " << hcana_nentries << endl;
-
-  //  hcana_tree->fChain->SetBranchStatus("*",0);      // disable all branches
-  //  hcana_tree->fChain->SetBranchStatus("*H.gold.e",1); // activate branchname
-  //  hcana_tree->fChain->SetBranchStatus("*H.gold.p",1);
-  //  hcana_tree->fChain->SetBranchStatus("*H.gold.index",1);
-  //  hcana_tree->fChain->SetBranchStatus("*H.tr.n",1);
-  //  hcana_tree->fChain->SetBranchStatus("*g.evtyp",1);
-  //  hcana_tree->fChain->SetBranchStatus("*fEvtHdr.fEvtType",1);
-  //  hcana_tree->fChain->SetBranchStatus("*fEvtHdr.fEvtNum",1);
-
-  // Engine tree
-
-  engine_class* engine_tree = new engine_class(0);
-
-  Long64_t engine_nentries = engine_tree->fChain->GetEntriesFast();
-  cout << "engine_nentries = " << engine_nentries << endl;
-
-  //  engine_tree->fChain->SetBranchStatus("*",0);
-  //  engine_tree->fChain->SetBranchStatus("*hstrk_et",1);
-  //  engine_tree->fChain->SetBranchStatus("*hsp",1);
-  //  engine_tree->fChain->SetBranchStatus("*ev_type",1);
-  //  engine_tree->fChain->SetBranchStatus("*eventid",1);
-  //  engine_tree->fChain->SetBranchStatus("*hstrk_in",1);
-  //  engine_tree->fChain->SetBranchStatus("*hntracks",1);
-
-  // Histograms.
-
-  TH1F* he_hcana = new TH1F("e_hcana", "Golden track  Ecalo",
-				100, 0.011, 1.8);
-  he_hcana->SetLineColor(kRed);
-
-  TH1F* he_engine = (TH1F*) he_hcana->Clone("e_engine");
-  he_engine->SetLineColor(kBlue);
-
-  TH1F* ee_diff = new TH1F("ee_diff",
-		  "Event by event hcana - Engine Ecalo difference", 200,-1.,1.);
-  TH1F* pp_diff = new TH1F("pp_diff","Event by event P difference",
-			   200,-1.,1.);
-  TH2F* pvse_diff = new TH2F("pvse_diff","Event by event P vs Ecalo difference",
-			     200,-1.,1., 200,-100.,100.);
-  pvse_diff->SetMarkerStyle(3);
-  TH2F* evse = new TH2F("evse","Event by event hcana vs Engine Ecalo",
-			210,-0.1,2., 210,-0.1,2.);
-  evse->SetMarkerStyle(3);
-
-  // Loop over entries.
-
-  Long64_t nentries = TMath::Min(hcana_nentries, engine_nentries);
-  cout << "nentries = " << nentries << endl;
-
-  Long64_t jentry_hcana = 0;
-  Long64_t jentry_engine = 0;
-  for (Long64_t jentry=0; jentry<nentries; jentry++) {
-
-    hcana_tree->fChain->GetEntry(jentry_hcana++);
-    engine_tree->fChain->GetEntry(jentry_engine++);
-
-    while (hcana_tree->fEvtHdr_fEvtNum > engine_tree->eventid &&
-	   jentry_engine < engine_nentries) {
-      engine_tree->fChain->GetEntry(jentry_engine++);
-      //cout<< hcana_tree->fEvtHdr_fEvtNum << " " << engine_tree->eventid << endl;
-    }
-
-    while (hcana_tree->fEvtHdr_fEvtNum < engine_tree->eventid &&
-	   jentry_hcana < hcana_nentries) {
-      hcana_tree->fChain->GetEntry(jentry_hcana++);
-      //cout<< hcana_tree->fEvtHdr_fEvtNum << " " << engine_tree->eventid << endl;
-    }
-
-    if (hcana_tree->fEvtHdr_fEvtType==1 && engine_tree->ev_type==1
-	&& hcana_tree->H_gold_index>-1 && engine_tree->hstrk_in>0
-	&& hcana_tree->H_gold_index == engine_tree->hstrk_in - 1) {
-
-      he_hcana->Fill(hcana_tree->H_gold_e, 1.);
-      //cout << hcana_tree->H_gold_e << " " << hcana_tree->g_evtyp << " " 
-      //	 << hcana_tree->fEvtHdr_fEvtType << endl; 
-
-      he_engine->Fill(engine_tree->hstrk_et, 1.);
-      //     cout << engine_tree->hsshtrk << " " << engine_tree->ev_type << " " 
-      //	   << engine_tree->eventid << endl; 
-
-      ee_diff->Fill(hcana_tree->H_gold_e - engine_tree->hstrk_et, 1.);
-      pp_diff->Fill(hcana_tree->H_gold_p - engine_tree->hsp, 1.);
-      pvse_diff->Fill(hcana_tree->H_gold_e - engine_tree->hstrk_et,
-		      hcana_tree->H_gold_p - engine_tree->hsp, 1.);
-      evse->Fill(engine_tree->hstrk_et, hcana_tree->H_gold_e, 1.);
-
-      //Debug print out.
-
-      //      if (hcana_tree->H_gold_e>0.6 && hcana_tree->H_gold_e<0.95 &&
-      //      	  engine_tree->hstrk_et<0.1) {
-	//	if (hcana_tree->H_gold_e>0.6 && hcana_tree->H_gold_e<0.95 &&
-      //  TMath::Abs(engine_tree->hstrk_et - hcana_tree->H_gold_e) < 0.0001 ) {
-      //      if (engine_tree->hstrk_et>0.6 && engine_tree->hstrk_et<0.95 &&
-      //      	  hcana_tree->H_gold_e<0.1) {
-      if (TMath::Abs(engine_tree->hstrk_et - hcana_tree->H_gold_e) < 0.65 &&
-	  TMath::Abs(engine_tree->hstrk_et - hcana_tree->H_gold_e) > 0.05 ) {
-
-	cout << "===========================================================\n";
-	cout << "Engine event " << engine_tree->eventid
-	     << ": hstrk_et = " << engine_tree->hstrk_et
-	     << ", hstrk_index = " << engine_tree->hstrk_in
-	     << ", hntracks = " << engine_tree->hntracks << endl;
-	cout << "  hsxfp = " << engine_tree->hsxfp
-	     << ", hsyfp = " << engine_tree->hsyfp << endl;
-	cout << "  hsxpfp= " << engine_tree->hsxpfp
-	     << ", hsypfp= " << engine_tree->hsypfp << endl;
-	cout << "  hsp   = " << engine_tree->hsp << endl;
-	cout << "  At calorimeter:"
-	     << "  x = " << engine_tree->hsxfp+338.69*engine_tree->hsxpfp
-	     << "  y = " << engine_tree->hsyfp+338.69*engine_tree->hsypfp
-	     << endl;
-	cout << "-----------------------------------------------------------\n";
-	cout << "hcana  event " << hcana_tree->fEvtHdr_fEvtNum
-	     << ": H_gold_e = " << hcana_tree->H_gold_e
-	     << "  H_gold_index = " << hcana_tree->H_gold_index
-	     << "  H_tr_n = " << hcana_tree->H_tr_n << endl;
-	cout << "  H_gold_fp_x = " << hcana_tree->H_gold_fp_x
-	     << "  H_gold_fp_y = " << hcana_tree->H_gold_fp_y << endl;
-	cout << "  H_gold_fp_th= " << hcana_tree->H_gold_fp_th
-	     << "  H_gold_fp_ph= " << hcana_tree->H_gold_fp_ph << endl;
-	cout << "  H_gold_p = " << hcana_tree->H_gold_p << endl;
-	cout << "  At calorimeter:"
-	  << "  x = " << hcana_tree->H_gold_fp_x+338.69*hcana_tree->H_gold_fp_th
-	  << "  y = " << hcana_tree->H_gold_fp_y+338.69*hcana_tree->H_gold_fp_ph
-	  << endl;
-
-      }
-
-    }
-
-  }   //over entries
-
-  // Plot.
-
-  TCanvas* c1 = new TCanvas("c1","Golden Track E from hcana",600,750);
-
-  c1->Divide(1,2);
-  c1->cd(1);
-  he_hcana->Draw();
-  he_engine->Draw("same");
-
-  TLegend* leg = new TLegend(0.25, 0.70, 0.40, 0.82);
-  leg->AddEntry(he_hcana,"hcana","l");
-  leg->AddEntry(he_engine,"Engine","l");
-  leg->Draw();
-
-  // Difference between the histograms.
-
-  c1->cd(2);
-
-  TH1F* dif = he_hcana->Clone("difference");
-  dif->Reset();
-  dif->Add(he_hcana,he_engine,1.,-1.);
-
-  dif->SetTitle("hcana -- Engine difference");
-  dif->SetFillColor(kRed);
-  dif->SetLineColor(kRed);
-  dif->SetLineWidth(1);
-  dif->SetFillStyle(1111);
-  dif->Draw();
-
-  TCanvas* c2 = new TCanvas("c2","Event by event hcana - Engine Ecalo diff.",
-			    600,750);
-
-  c2->Divide(1,2);
-  c2->cd(1);
-  gPad->SetLogy();
-  ee_diff->Draw();
-  c2->cd(2);
-  //  gPad->SetLogy();
-  //  pp_diff->Draw();
-  //  pvse_diff->Draw();
-  evse->Draw();
-
-}
diff --git a/examples/gtrk_e/engine_class.C b/examples/gtrk_e/engine_class.C
deleted file mode 100644
index b437035942eff550c1172237ffbe2728edd6c0b8..0000000000000000000000000000000000000000
--- a/examples/gtrk_e/engine_class.C
+++ /dev/null
@@ -1,43 +0,0 @@
-#define engine_class_cxx
-#include "engine_class.h"
-#include <TH2.h>
-#include <TStyle.h>
-#include <TCanvas.h>
-
-void engine_class::Loop()
-{
-//   In a ROOT session, you can do:
-//      Root > .L engine_class.C
-//      Root > engine_class 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;
-
-   Long64_t nentries = fChain->GetEntriesFast();
-
-   Long64_t nbytes = 0, nb = 0;
-   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;
-   }
-}
diff --git a/examples/gtrk_e/engine_class.h b/examples/gtrk_e/engine_class.h
deleted file mode 100644
index 3a6d2e5f8321532e4682d742e46fc6aa54524a53..0000000000000000000000000000000000000000
--- a/examples/gtrk_e/engine_class.h
+++ /dev/null
@@ -1,255 +0,0 @@
-//////////////////////////////////////////////////////////
-// This class has been automatically generated on
-// Mon Sep 29 17:54:32 2014 by ROOT version 5.34/06
-// from TTree h9010/
-// found on file: hms52949_rz.root
-//////////////////////////////////////////////////////////
-
-#ifndef engine_class_h
-#define engine_class_h
-
-#include <TROOT.h>
-#include <TChain.h>
-#include <TFile.h>
-
-// Header file for the classes stored in the TTree if any.
-
-// Fixed size dimensions of array or collections stored in the TTree if any.
-
-class engine_class {
-public :
-   TTree          *fChain;   //!pointer to the analyzed TTree or TChain
-   Int_t           fCurrent; //!current Tree number in a TChain
-
-   // Declaration of leaf types
-   Float_t         hcer_npe;
-   Float_t         hsp;
-   Float_t         hse;
-   Float_t         charge;
-   Float_t         hsdelta;
-   Float_t         hstheta;
-   Float_t         hsphi;
-   Float_t         w;
-   Float_t         hszbeam;
-   Float_t         hsdedx1;
-   Float_t         hsbeta;
-   Float_t         hsshtrk;
-   Float_t         hsprtrk;
-   Float_t         hsxfp;
-   Float_t         hsyfp;
-   Float_t         hsxpfp;
-   Float_t         hsypfp;
-   Float_t         hsytar;
-   Float_t         hsxptar;
-   Float_t         hsyptar;
-   Float_t         hstart;
-   Float_t         eventid;
-   Float_t         ev_type;
-   Float_t         gfrx_raw;
-   Float_t         gfry_raw;
-   Float_t         gbeam_x;
-   Float_t         gbeam_y;
-   Float_t         bpma_x;
-   Float_t         bpma_y;
-   Float_t         bpmb_x;
-   Float_t         bpmb_y;
-   Float_t         bpmc_x;
-   Float_t         bpmc_y;
-   Float_t         hseloss;
-   Float_t         hntracks;
-   Float_t         hcal_et;
-   Float_t         hgoodsc;
-   Float_t         hcal_e1;
-   Float_t         hcal_e2;
-   Float_t         hcal_e3;
-   Float_t         hcal_e4;
-   Float_t         hstrk_et;
-   Float_t         hstrk_in;
-
-   // List of branches
-   TBranch        *b_hcer_npe;   //!
-   TBranch        *b_hsp;   //!
-   TBranch        *b_hse;   //!
-   TBranch        *b_charge;   //!
-   TBranch        *b_hsdelta;   //!
-   TBranch        *b_hstheta;   //!
-   TBranch        *b_hsphi;   //!
-   TBranch        *b_w;   //!
-   TBranch        *b_hszbeam;   //!
-   TBranch        *b_hsdedx1;   //!
-   TBranch        *b_hsbeta;   //!
-   TBranch        *b_hsshtrk;   //!
-   TBranch        *b_hsprtrk;   //!
-   TBranch        *b_hsxfp;   //!
-   TBranch        *b_hsyfp;   //!
-   TBranch        *b_hsxpfp;   //!
-   TBranch        *b_hsypfp;   //!
-   TBranch        *b_hsytar;   //!
-   TBranch        *b_hsxptar;   //!
-   TBranch        *b_hsyptar;   //!
-   TBranch        *b_hstart;   //!
-   TBranch        *b_eventid;   //!
-   TBranch        *b_ev_type;   //!
-   TBranch        *b_gfrx_raw;   //!
-   TBranch        *b_gfry_raw;   //!
-   TBranch        *b_gbeam_x;   //!
-   TBranch        *b_gbeam_y;   //!
-   TBranch        *b_bpma_x;   //!
-   TBranch        *b_bpma_y;   //!
-   TBranch        *b_bpmb_x;   //!
-   TBranch        *b_bpmb_y;   //!
-   TBranch        *b_bpmc_x;   //!
-   TBranch        *b_bpmc_y;   //!
-   TBranch        *b_hseloss;   //!
-   TBranch        *b_hntracks;   //!
-   TBranch        *b_hcal_et;   //!
-   TBranch        *b_hgoodsc;   //!
-   TBranch        *b_hcal_e1;   //!
-   TBranch        *b_hcal_e2;   //!
-   TBranch        *b_hcal_e3;   //!
-   TBranch        *b_hcal_e4;   //!
-   TBranch        *b_hstrk_et;   //!
-   TBranch        *b_hstrk_in;   //!
-
-   engine_class(TTree *tree=0);
-   virtual ~engine_class();
-   virtual Int_t    Cut(Long64_t entry);
-   virtual Int_t    GetEntry(Long64_t entry);
-   virtual Long64_t LoadTree(Long64_t entry);
-   virtual void     Init(TTree *tree);
-   virtual void     Loop();
-   virtual Bool_t   Notify();
-   virtual void     Show(Long64_t entry = -1);
-};
-
-#endif
-
-#ifdef engine_class_cxx
-engine_class::engine_class(TTree *tree) : fChain(0) 
-{
-// if parameter tree is not specified (or zero), connect the file
-// used to generate this class and read the Tree.
-   if (tree == 0) {
-      TFile *f = (TFile*)gROOT->GetListOfFiles()->FindObject("hms52949_rz.root");
-      if (!f || !f->IsOpen()) {
-         f = new TFile("hms52949_rz.root");
-      }
-      f->GetObject("h9010",tree);
-
-   }
-   Init(tree);
-}
-
-engine_class::~engine_class()
-{
-   if (!fChain) return;
-   delete fChain->GetCurrentFile();
-}
-
-Int_t engine_class::GetEntry(Long64_t entry)
-{
-// Read contents of entry.
-   if (!fChain) return 0;
-   return fChain->GetEntry(entry);
-}
-Long64_t engine_class::LoadTree(Long64_t entry)
-{
-// Set the environment to read one entry
-   if (!fChain) return -5;
-   Long64_t centry = fChain->LoadTree(entry);
-   if (centry < 0) return centry;
-   if (fChain->GetTreeNumber() != fCurrent) {
-      fCurrent = fChain->GetTreeNumber();
-      Notify();
-   }
-   return centry;
-}
-
-void engine_class::Init(TTree *tree)
-{
-   // The Init() function is called when the selector needs to initialize
-   // a new tree or chain. Typically here the branch addresses and branch
-   // pointers of the tree will be set.
-   // It is normally not necessary to make changes to the generated
-   // code, but the routine can be extended by the user if needed.
-   // Init() will be called many times when running on PROOF
-   // (once per file to be processed).
-
-   // Set branch addresses and branch pointers
-   if (!tree) return;
-   fChain = tree;
-   fCurrent = -1;
-   fChain->SetMakeClass(1);
-
-   fChain->SetBranchAddress("hcer_npe", &hcer_npe, &b_hcer_npe);
-   fChain->SetBranchAddress("hsp", &hsp, &b_hsp);
-   fChain->SetBranchAddress("hse", &hse, &b_hse);
-   fChain->SetBranchAddress("charge", &charge, &b_charge);
-   fChain->SetBranchAddress("hsdelta", &hsdelta, &b_hsdelta);
-   fChain->SetBranchAddress("hstheta", &hstheta, &b_hstheta);
-   fChain->SetBranchAddress("hsphi", &hsphi, &b_hsphi);
-   fChain->SetBranchAddress("w", &w, &b_w);
-   fChain->SetBranchAddress("hszbeam", &hszbeam, &b_hszbeam);
-   fChain->SetBranchAddress("hsdedx1", &hsdedx1, &b_hsdedx1);
-   fChain->SetBranchAddress("hsbeta", &hsbeta, &b_hsbeta);
-   fChain->SetBranchAddress("hsshtrk", &hsshtrk, &b_hsshtrk);
-   fChain->SetBranchAddress("hsprtrk", &hsprtrk, &b_hsprtrk);
-   fChain->SetBranchAddress("hsxfp", &hsxfp, &b_hsxfp);
-   fChain->SetBranchAddress("hsyfp", &hsyfp, &b_hsyfp);
-   fChain->SetBranchAddress("hsxpfp", &hsxpfp, &b_hsxpfp);
-   fChain->SetBranchAddress("hsypfp", &hsypfp, &b_hsypfp);
-   fChain->SetBranchAddress("hsytar", &hsytar, &b_hsytar);
-   fChain->SetBranchAddress("hsxptar", &hsxptar, &b_hsxptar);
-   fChain->SetBranchAddress("hsyptar", &hsyptar, &b_hsyptar);
-   fChain->SetBranchAddress("hstart", &hstart, &b_hstart);
-   fChain->SetBranchAddress("eventid", &eventid, &b_eventid);
-   fChain->SetBranchAddress("ev_type", &ev_type, &b_ev_type);
-   fChain->SetBranchAddress("gfrx_raw", &gfrx_raw, &b_gfrx_raw);
-   fChain->SetBranchAddress("gfry_raw", &gfry_raw, &b_gfry_raw);
-   fChain->SetBranchAddress("gbeam_x", &gbeam_x, &b_gbeam_x);
-   fChain->SetBranchAddress("gbeam_y", &gbeam_y, &b_gbeam_y);
-   fChain->SetBranchAddress("bpma_x", &bpma_x, &b_bpma_x);
-   fChain->SetBranchAddress("bpma_y", &bpma_y, &b_bpma_y);
-   fChain->SetBranchAddress("bpmb_x", &bpmb_x, &b_bpmb_x);
-   fChain->SetBranchAddress("bpmb_y", &bpmb_y, &b_bpmb_y);
-   fChain->SetBranchAddress("bpmc_x", &bpmc_x, &b_bpmc_x);
-   fChain->SetBranchAddress("bpmc_y", &bpmc_y, &b_bpmc_y);
-   fChain->SetBranchAddress("hseloss", &hseloss, &b_hseloss);
-   fChain->SetBranchAddress("hntracks", &hntracks, &b_hntracks);
-   fChain->SetBranchAddress("hcal_et", &hcal_et, &b_hcal_et);
-   fChain->SetBranchAddress("hgoodsc", &hgoodsc, &b_hgoodsc);
-   fChain->SetBranchAddress("hcal_e1", &hcal_e1, &b_hcal_e1);
-   fChain->SetBranchAddress("hcal_e2", &hcal_e2, &b_hcal_e2);
-   fChain->SetBranchAddress("hcal_e3", &hcal_e3, &b_hcal_e3);
-   fChain->SetBranchAddress("hcal_e4", &hcal_e4, &b_hcal_e4);
-   fChain->SetBranchAddress("hstrk_et", &hstrk_et, &b_hstrk_et);
-   fChain->SetBranchAddress("hstrk_in", &hstrk_in, &b_hstrk_in);
-   Notify();
-}
-
-Bool_t engine_class::Notify()
-{
-   // The Notify() function is called when a new file is opened. This
-   // can be either for a new TTree in a TChain or when when a new TTree
-   // is started when using PROOF. It is normally not necessary to make changes
-   // to the generated code, but the routine can be extended by the
-   // user if needed. The return value is currently not used.
-
-   return kTRUE;
-}
-
-void engine_class::Show(Long64_t entry)
-{
-// Print contents of entry.
-// If entry is not specified, print current entry
-   if (!fChain) return;
-   fChain->Show(entry);
-}
-Int_t engine_class::Cut(Long64_t entry)
-{
-// This function may be called from Loop.
-// returns  1 if entry is accepted.
-// returns -1 otherwise.
-   return 1;
-}
-#endif // #ifdef engine_class_cxx
diff --git a/examples/gtrk_e/hcana_class.C b/examples/gtrk_e/hcana_class.C
deleted file mode 100644
index 61a1bfb8a575837022217429ec3287ed1b6241a9..0000000000000000000000000000000000000000
--- a/examples/gtrk_e/hcana_class.C
+++ /dev/null
@@ -1,43 +0,0 @@
-#define hcana_class_cxx
-#include "hcana_class.h"
-#include <TH2.h>
-#include <TStyle.h>
-#include <TCanvas.h>
-
-void hcana_class::Loop()
-{
-//   In a ROOT session, you can do:
-//      Root > .L hcana_class.C
-//      Root > hcana_class 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;
-
-   Long64_t nentries = fChain->GetEntriesFast();
-
-   Long64_t nbytes = 0, nb = 0;
-   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;
-   }
-}
diff --git a/examples/gtrk_e/hcana_class.h b/examples/gtrk_e/hcana_class.h
deleted file mode 100644
index bd15df66bbf3678993020df98850959c9f742841..0000000000000000000000000000000000000000
--- a/examples/gtrk_e/hcana_class.h
+++ /dev/null
@@ -1,649 +0,0 @@
-//////////////////////////////////////////////////////////
-// This class has been automatically generated on
-// Wed Oct 22 09:01:11 2014 by ROOT version 5.34/06
-// from TTree T/Hall A Analyzer Output DST
-// found on file: hodtest_52949.root
-//////////////////////////////////////////////////////////
-
-#ifndef hcana_class_h
-#define hcana_class_h
-
-#include <TROOT.h>
-#include <TChain.h>
-#include <TFile.h>
-
-// Header file for the classes stored in the TTree if any.
-
-// Fixed size dimensions of array or collections stored in the TTree if any.
-
-class hcana_class {
-public :
-   TTree          *fChain;   //!pointer to the analyzed TTree or TChain
-   Int_t           fCurrent; //!current Tree number in a TChain
-
-   // Declaration of leaf types
-   Int_t           Ndata_H_cal_1pr_aneg;
-   Double_t        H_cal_1pr_aneg[13];   //[Ndata.H.cal.1pr.aneg]
-   Int_t           Ndata_H_cal_1pr_aneg_p;
-   Double_t        H_cal_1pr_aneg_p[13];   //[Ndata.H.cal.1pr.aneg_p]
-   Int_t           Ndata_H_cal_1pr_apos;
-   Double_t        H_cal_1pr_apos[13];   //[Ndata.H.cal.1pr.apos]
-   Int_t           Ndata_H_cal_1pr_apos_p;
-   Double_t        H_cal_1pr_apos_p[13];   //[Ndata.H.cal.1pr.apos_p]
-   Int_t           Ndata_H_cal_1pr_emean;
-   Double_t        H_cal_1pr_emean[13];   //[Ndata.H.cal.1pr.emean]
-   Int_t           Ndata_H_cal_1pr_eneg;
-   Double_t        H_cal_1pr_eneg[13];   //[Ndata.H.cal.1pr.eneg]
-   Int_t           Ndata_H_cal_1pr_epos;
-   Double_t        H_cal_1pr_epos[13];   //[Ndata.H.cal.1pr.epos]
-   Int_t           Ndata_H_cal_1pr_negadchits;
-   Double_t        H_cal_1pr_negadchits[10];   //[Ndata.H.cal.1pr.negadchits]
-   Int_t           Ndata_H_cal_1pr_posadchits;
-   Double_t        H_cal_1pr_posadchits[8];   //[Ndata.H.cal.1pr.posadchits]
-   Int_t           Ndata_H_cal_2ta_aneg;
-   Double_t        H_cal_2ta_aneg[13];   //[Ndata.H.cal.2ta.aneg]
-   Int_t           Ndata_H_cal_2ta_aneg_p;
-   Double_t        H_cal_2ta_aneg_p[13];   //[Ndata.H.cal.2ta.aneg_p]
-   Int_t           Ndata_H_cal_2ta_apos;
-   Double_t        H_cal_2ta_apos[13];   //[Ndata.H.cal.2ta.apos]
-   Int_t           Ndata_H_cal_2ta_apos_p;
-   Double_t        H_cal_2ta_apos_p[13];   //[Ndata.H.cal.2ta.apos_p]
-   Int_t           Ndata_H_cal_2ta_emean;
-   Double_t        H_cal_2ta_emean[13];   //[Ndata.H.cal.2ta.emean]
-   Int_t           Ndata_H_cal_2ta_eneg;
-   Double_t        H_cal_2ta_eneg[13];   //[Ndata.H.cal.2ta.eneg]
-   Int_t           Ndata_H_cal_2ta_epos;
-   Double_t        H_cal_2ta_epos[13];   //[Ndata.H.cal.2ta.epos]
-   Int_t           Ndata_H_cal_2ta_negadchits;
-   Double_t        H_cal_2ta_negadchits[9];   //[Ndata.H.cal.2ta.negadchits]
-   Int_t           Ndata_H_cal_2ta_posadchits;
-   Double_t        H_cal_2ta_posadchits[10];   //[Ndata.H.cal.2ta.posadchits]
-   Int_t           Ndata_H_cal_3ta_aneg;
-   Double_t        H_cal_3ta_aneg[13];   //[Ndata.H.cal.3ta.aneg]
-   Int_t           Ndata_H_cal_3ta_aneg_p;
-   Double_t        H_cal_3ta_aneg_p[13];   //[Ndata.H.cal.3ta.aneg_p]
-   Int_t           Ndata_H_cal_3ta_apos;
-   Double_t        H_cal_3ta_apos[13];   //[Ndata.H.cal.3ta.apos]
-   Int_t           Ndata_H_cal_3ta_apos_p;
-   Double_t        H_cal_3ta_apos_p[13];   //[Ndata.H.cal.3ta.apos_p]
-   Int_t           Ndata_H_cal_3ta_emean;
-   Double_t        H_cal_3ta_emean[13];   //[Ndata.H.cal.3ta.emean]
-   Int_t           Ndata_H_cal_3ta_eneg;
-   Double_t        H_cal_3ta_eneg[13];   //[Ndata.H.cal.3ta.eneg]
-   Int_t           Ndata_H_cal_3ta_epos;
-   Double_t        H_cal_3ta_epos[13];   //[Ndata.H.cal.3ta.epos]
-   Int_t           Ndata_H_cal_3ta_negadchits;
-   Double_t        H_cal_3ta_negadchits[1];   //[Ndata.H.cal.3ta.negadchits]
-   Int_t           Ndata_H_cal_3ta_posadchits;
-   Double_t        H_cal_3ta_posadchits[9];   //[Ndata.H.cal.3ta.posadchits]
-   Int_t           Ndata_H_cal_4ta_aneg;
-   Double_t        H_cal_4ta_aneg[13];   //[Ndata.H.cal.4ta.aneg]
-   Int_t           Ndata_H_cal_4ta_aneg_p;
-   Double_t        H_cal_4ta_aneg_p[13];   //[Ndata.H.cal.4ta.aneg_p]
-   Int_t           Ndata_H_cal_4ta_apos;
-   Double_t        H_cal_4ta_apos[13];   //[Ndata.H.cal.4ta.apos]
-   Int_t           Ndata_H_cal_4ta_apos_p;
-   Double_t        H_cal_4ta_apos_p[13];   //[Ndata.H.cal.4ta.apos_p]
-   Int_t           Ndata_H_cal_4ta_emean;
-   Double_t        H_cal_4ta_emean[13];   //[Ndata.H.cal.4ta.emean]
-   Int_t           Ndata_H_cal_4ta_eneg;
-   Double_t        H_cal_4ta_eneg[13];   //[Ndata.H.cal.4ta.eneg]
-   Int_t           Ndata_H_cal_4ta_epos;
-   Double_t        H_cal_4ta_epos[13];   //[Ndata.H.cal.4ta.epos]
-   Int_t           Ndata_H_cal_4ta_negadchits;
-   Double_t        H_cal_4ta_negadchits[1];   //[Ndata.H.cal.4ta.negadchits]
-   Int_t           Ndata_H_cal_4ta_posadchits;
-   Double_t        H_cal_4ta_posadchits[9];   //[Ndata.H.cal.4ta.posadchits]
-   Int_t           Ndata_H_tr_beta;
-   Double_t        H_tr_beta[10];   //[Ndata.H.tr.beta]
-   Int_t           Ndata_H_tr_chi2;
-   Double_t        H_tr_chi2[10];   //[Ndata.H.tr.chi2]
-   Int_t           Ndata_H_tr_d_ph;
-   Double_t        H_tr_d_ph[10];   //[Ndata.H.tr.d_ph]
-   Int_t           Ndata_H_tr_d_th;
-   Double_t        H_tr_d_th[10];   //[Ndata.H.tr.d_th]
-   Int_t           Ndata_H_tr_d_x;
-   Double_t        H_tr_d_x[10];   //[Ndata.H.tr.d_x]
-   Int_t           Ndata_H_tr_d_y;
-   Double_t        H_tr_d_y[10];   //[Ndata.H.tr.d_y]
-   Int_t           Ndata_H_tr_dbeta;
-   Double_t        H_tr_dbeta[10];   //[Ndata.H.tr.dbeta]
-   Int_t           Ndata_H_tr_dtime;
-   Double_t        H_tr_dtime[10];   //[Ndata.H.tr.dtime]
-   Int_t           Ndata_H_tr_flag;
-   Double_t        H_tr_flag[10];   //[Ndata.H.tr.flag]
-   Int_t           Ndata_H_tr_ndof;
-   Double_t        H_tr_ndof[10];   //[Ndata.H.tr.ndof]
-   Int_t           Ndata_H_tr_p;
-   Double_t        H_tr_p[10];   //[Ndata.H.tr.p]
-   Int_t           Ndata_H_tr_pathl;
-   Double_t        H_tr_pathl[10];   //[Ndata.H.tr.pathl]
-   Int_t           Ndata_H_tr_ph;
-   Double_t        H_tr_ph[10];   //[Ndata.H.tr.ph]
-   Int_t           Ndata_H_tr_px;
-   Double_t        H_tr_px[10];   //[Ndata.H.tr.px]
-   Int_t           Ndata_H_tr_py;
-   Double_t        H_tr_py[10];   //[Ndata.H.tr.py]
-   Int_t           Ndata_H_tr_pz;
-   Double_t        H_tr_pz[10];   //[Ndata.H.tr.pz]
-   Int_t           Ndata_H_tr_r_ph;
-   Double_t        H_tr_r_ph[10];   //[Ndata.H.tr.r_ph]
-   Int_t           Ndata_H_tr_r_th;
-   Double_t        H_tr_r_th[10];   //[Ndata.H.tr.r_th]
-   Int_t           Ndata_H_tr_r_x;
-   Double_t        H_tr_r_x[10];   //[Ndata.H.tr.r_x]
-   Int_t           Ndata_H_tr_r_y;
-   Double_t        H_tr_r_y[10];   //[Ndata.H.tr.r_y]
-   Int_t           Ndata_H_tr_tg_dp;
-   Double_t        H_tr_tg_dp[10];   //[Ndata.H.tr.tg_dp]
-   Int_t           Ndata_H_tr_tg_ph;
-   Double_t        H_tr_tg_ph[10];   //[Ndata.H.tr.tg_ph]
-   Int_t           Ndata_H_tr_tg_th;
-   Double_t        H_tr_tg_th[10];   //[Ndata.H.tr.tg_th]
-   Int_t           Ndata_H_tr_tg_y;
-   Double_t        H_tr_tg_y[10];   //[Ndata.H.tr.tg_y]
-   Int_t           Ndata_H_tr_th;
-   Double_t        H_tr_th[10];   //[Ndata.H.tr.th]
-   Int_t           Ndata_H_tr_time;
-   Double_t        H_tr_time[10];   //[Ndata.H.tr.time]
-   Int_t           Ndata_H_tr_vx;
-   Double_t        H_tr_vx[10];   //[Ndata.H.tr.vx]
-   Int_t           Ndata_H_tr_vy;
-   Double_t        H_tr_vy[10];   //[Ndata.H.tr.vy]
-   Int_t           Ndata_H_tr_vz;
-   Double_t        H_tr_vz[10];   //[Ndata.H.tr.vz]
-   Int_t           Ndata_H_tr_x;
-   Double_t        H_tr_x[10];   //[Ndata.H.tr.x]
-   Int_t           Ndata_H_tr_y;
-   Double_t        H_tr_y[10];   //[Ndata.H.tr.y]
-   Double_t        H_cal_1pr_eplane;
-   Double_t        H_cal_1pr_eplane_neg;
-   Double_t        H_cal_1pr_eplane_pos;
-   Double_t        H_cal_2ta_eplane;
-   Double_t        H_cal_2ta_eplane_neg;
-   Double_t        H_cal_2ta_eplane_pos;
-   Double_t        H_cal_3ta_eplane;
-   Double_t        H_cal_3ta_eplane_neg;
-   Double_t        H_cal_3ta_eplane_pos;
-   Double_t        H_cal_4ta_eplane;
-   Double_t        H_cal_4ta_eplane_neg;
-   Double_t        H_cal_4ta_eplane_pos;
-   Double_t        H_cal_nclust;
-   Double_t        H_cal_nhits;
-   Double_t        H_cal_ntracks;
-   Double_t        H_gold_dp;
-   Double_t        H_gold_e;
-   Double_t        H_gold_fp_ph;
-   Double_t        H_gold_fp_th;
-   Double_t        H_gold_fp_x;
-   Double_t        H_gold_fp_y;
-   Double_t        H_gold_index;
-   Double_t        H_gold_ok;
-   Double_t        H_gold_p;
-   Double_t        H_gold_ph;
-   Double_t        H_gold_px;
-   Double_t        H_gold_py;
-   Double_t        H_gold_pz;
-   Double_t        H_gold_th;
-   Double_t        H_gold_x;
-   Double_t        H_gold_y;
-   Double_t        H_tr_n;
-   Double_t        g_evtyp;
- //THaEvent        *Event_Branch;
-   ULong64_t       fEvtHdr_fEvtTime;
-   UInt_t          fEvtHdr_fEvtNum;
-   Int_t           fEvtHdr_fEvtType;
-   Int_t           fEvtHdr_fEvtLen;
-   Int_t           fEvtHdr_fHelicity;
-   Int_t           fEvtHdr_fTargetPol;
-   Int_t           fEvtHdr_fRun;
-
-   // List of branches
-   TBranch        *b_Ndata_H_cal_1pr_aneg;   //!
-   TBranch        *b_H_cal_1pr_aneg;   //!
-   TBranch        *b_Ndata_H_cal_1pr_aneg_p;   //!
-   TBranch        *b_H_cal_1pr_aneg_p;   //!
-   TBranch        *b_Ndata_H_cal_1pr_apos;   //!
-   TBranch        *b_H_cal_1pr_apos;   //!
-   TBranch        *b_Ndata_H_cal_1pr_apos_p;   //!
-   TBranch        *b_H_cal_1pr_apos_p;   //!
-   TBranch        *b_Ndata_H_cal_1pr_emean;   //!
-   TBranch        *b_H_cal_1pr_emean;   //!
-   TBranch        *b_Ndata_H_cal_1pr_eneg;   //!
-   TBranch        *b_H_cal_1pr_eneg;   //!
-   TBranch        *b_Ndata_H_cal_1pr_epos;   //!
-   TBranch        *b_H_cal_1pr_epos;   //!
-   TBranch        *b_Ndata_H_cal_1pr_negadchits;   //!
-   TBranch        *b_H_cal_1pr_negadchits;   //!
-   TBranch        *b_Ndata_H_cal_1pr_posadchits;   //!
-   TBranch        *b_H_cal_1pr_posadchits;   //!
-   TBranch        *b_Ndata_H_cal_2ta_aneg;   //!
-   TBranch        *b_H_cal_2ta_aneg;   //!
-   TBranch        *b_Ndata_H_cal_2ta_aneg_p;   //!
-   TBranch        *b_H_cal_2ta_aneg_p;   //!
-   TBranch        *b_Ndata_H_cal_2ta_apos;   //!
-   TBranch        *b_H_cal_2ta_apos;   //!
-   TBranch        *b_Ndata_H_cal_2ta_apos_p;   //!
-   TBranch        *b_H_cal_2ta_apos_p;   //!
-   TBranch        *b_Ndata_H_cal_2ta_emean;   //!
-   TBranch        *b_H_cal_2ta_emean;   //!
-   TBranch        *b_Ndata_H_cal_2ta_eneg;   //!
-   TBranch        *b_H_cal_2ta_eneg;   //!
-   TBranch        *b_Ndata_H_cal_2ta_epos;   //!
-   TBranch        *b_H_cal_2ta_epos;   //!
-   TBranch        *b_Ndata_H_cal_2ta_negadchits;   //!
-   TBranch        *b_H_cal_2ta_negadchits;   //!
-   TBranch        *b_Ndata_H_cal_2ta_posadchits;   //!
-   TBranch        *b_H_cal_2ta_posadchits;   //!
-   TBranch        *b_Ndata_H_cal_3ta_aneg;   //!
-   TBranch        *b_H_cal_3ta_aneg;   //!
-   TBranch        *b_Ndata_H_cal_3ta_aneg_p;   //!
-   TBranch        *b_H_cal_3ta_aneg_p;   //!
-   TBranch        *b_Ndata_H_cal_3ta_apos;   //!
-   TBranch        *b_H_cal_3ta_apos;   //!
-   TBranch        *b_Ndata_H_cal_3ta_apos_p;   //!
-   TBranch        *b_H_cal_3ta_apos_p;   //!
-   TBranch        *b_Ndata_H_cal_3ta_emean;   //!
-   TBranch        *b_H_cal_3ta_emean;   //!
-   TBranch        *b_Ndata_H_cal_3ta_eneg;   //!
-   TBranch        *b_H_cal_3ta_eneg;   //!
-   TBranch        *b_Ndata_H_cal_3ta_epos;   //!
-   TBranch        *b_H_cal_3ta_epos;   //!
-   TBranch        *b_Ndata_H_cal_3ta_negadchits;   //!
-   TBranch        *b_H_cal_3ta_negadchits;   //!
-   TBranch        *b_Ndata_H_cal_3ta_posadchits;   //!
-   TBranch        *b_H_cal_3ta_posadchits;   //!
-   TBranch        *b_Ndata_H_cal_4ta_aneg;   //!
-   TBranch        *b_H_cal_4ta_aneg;   //!
-   TBranch        *b_Ndata_H_cal_4ta_aneg_p;   //!
-   TBranch        *b_H_cal_4ta_aneg_p;   //!
-   TBranch        *b_Ndata_H_cal_4ta_apos;   //!
-   TBranch        *b_H_cal_4ta_apos;   //!
-   TBranch        *b_Ndata_H_cal_4ta_apos_p;   //!
-   TBranch        *b_H_cal_4ta_apos_p;   //!
-   TBranch        *b_Ndata_H_cal_4ta_emean;   //!
-   TBranch        *b_H_cal_4ta_emean;   //!
-   TBranch        *b_Ndata_H_cal_4ta_eneg;   //!
-   TBranch        *b_H_cal_4ta_eneg;   //!
-   TBranch        *b_Ndata_H_cal_4ta_epos;   //!
-   TBranch        *b_H_cal_4ta_epos;   //!
-   TBranch        *b_Ndata_H_cal_4ta_negadchits;   //!
-   TBranch        *b_H_cal_4ta_negadchits;   //!
-   TBranch        *b_Ndata_H_cal_4ta_posadchits;   //!
-   TBranch        *b_H_cal_4ta_posadchits;   //!
-   TBranch        *b_Ndata_H_tr_beta;   //!
-   TBranch        *b_H_tr_beta;   //!
-   TBranch        *b_Ndata_H_tr_chi2;   //!
-   TBranch        *b_H_tr_chi2;   //!
-   TBranch        *b_Ndata_H_tr_d_ph;   //!
-   TBranch        *b_H_tr_d_ph;   //!
-   TBranch        *b_Ndata_H_tr_d_th;   //!
-   TBranch        *b_H_tr_d_th;   //!
-   TBranch        *b_Ndata_H_tr_d_x;   //!
-   TBranch        *b_H_tr_d_x;   //!
-   TBranch        *b_Ndata_H_tr_d_y;   //!
-   TBranch        *b_H_tr_d_y;   //!
-   TBranch        *b_Ndata_H_tr_dbeta;   //!
-   TBranch        *b_H_tr_dbeta;   //!
-   TBranch        *b_Ndata_H_tr_dtime;   //!
-   TBranch        *b_H_tr_dtime;   //!
-   TBranch        *b_Ndata_H_tr_flag;   //!
-   TBranch        *b_H_tr_flag;   //!
-   TBranch        *b_Ndata_H_tr_ndof;   //!
-   TBranch        *b_H_tr_ndof;   //!
-   TBranch        *b_Ndata_H_tr_p;   //!
-   TBranch        *b_H_tr_p;   //!
-   TBranch        *b_Ndata_H_tr_pathl;   //!
-   TBranch        *b_H_tr_pathl;   //!
-   TBranch        *b_Ndata_H_tr_ph;   //!
-   TBranch        *b_H_tr_ph;   //!
-   TBranch        *b_Ndata_H_tr_px;   //!
-   TBranch        *b_H_tr_px;   //!
-   TBranch        *b_Ndata_H_tr_py;   //!
-   TBranch        *b_H_tr_py;   //!
-   TBranch        *b_Ndata_H_tr_pz;   //!
-   TBranch        *b_H_tr_pz;   //!
-   TBranch        *b_Ndata_H_tr_r_ph;   //!
-   TBranch        *b_H_tr_r_ph;   //!
-   TBranch        *b_Ndata_H_tr_r_th;   //!
-   TBranch        *b_H_tr_r_th;   //!
-   TBranch        *b_Ndata_H_tr_r_x;   //!
-   TBranch        *b_H_tr_r_x;   //!
-   TBranch        *b_Ndata_H_tr_r_y;   //!
-   TBranch        *b_H_tr_r_y;   //!
-   TBranch        *b_Ndata_H_tr_tg_dp;   //!
-   TBranch        *b_H_tr_tg_dp;   //!
-   TBranch        *b_Ndata_H_tr_tg_ph;   //!
-   TBranch        *b_H_tr_tg_ph;   //!
-   TBranch        *b_Ndata_H_tr_tg_th;   //!
-   TBranch        *b_H_tr_tg_th;   //!
-   TBranch        *b_Ndata_H_tr_tg_y;   //!
-   TBranch        *b_H_tr_tg_y;   //!
-   TBranch        *b_Ndata_H_tr_th;   //!
-   TBranch        *b_H_tr_th;   //!
-   TBranch        *b_Ndata_H_tr_time;   //!
-   TBranch        *b_H_tr_time;   //!
-   TBranch        *b_Ndata_H_tr_vx;   //!
-   TBranch        *b_H_tr_vx;   //!
-   TBranch        *b_Ndata_H_tr_vy;   //!
-   TBranch        *b_H_tr_vy;   //!
-   TBranch        *b_Ndata_H_tr_vz;   //!
-   TBranch        *b_H_tr_vz;   //!
-   TBranch        *b_Ndata_H_tr_x;   //!
-   TBranch        *b_H_tr_x;   //!
-   TBranch        *b_Ndata_H_tr_y;   //!
-   TBranch        *b_H_tr_y;   //!
-   TBranch        *b_H_cal_1pr_eplane;   //!
-   TBranch        *b_H_cal_1pr_eplane_neg;   //!
-   TBranch        *b_H_cal_1pr_eplane_pos;   //!
-   TBranch        *b_H_cal_2ta_eplane;   //!
-   TBranch        *b_H_cal_2ta_eplane_neg;   //!
-   TBranch        *b_H_cal_2ta_eplane_pos;   //!
-   TBranch        *b_H_cal_3ta_eplane;   //!
-   TBranch        *b_H_cal_3ta_eplane_neg;   //!
-   TBranch        *b_H_cal_3ta_eplane_pos;   //!
-   TBranch        *b_H_cal_4ta_eplane;   //!
-   TBranch        *b_H_cal_4ta_eplane_neg;   //!
-   TBranch        *b_H_cal_4ta_eplane_pos;   //!
-   TBranch        *b_H_cal_nclust;   //!
-   TBranch        *b_H_cal_nhits;   //!
-   TBranch        *b_H_cal_ntracks;   //!
-   TBranch        *b_H_gold_dp;   //!
-   TBranch        *b_H_gold_e;   //!
-   TBranch        *b_H_gold_fp_ph;   //!
-   TBranch        *b_H_gold_fp_th;   //!
-   TBranch        *b_H_gold_fp_x;   //!
-   TBranch        *b_H_gold_fp_y;   //!
-   TBranch        *b_H_gold_index;   //!
-   TBranch        *b_H_gold_ok;   //!
-   TBranch        *b_H_gold_p;   //!
-   TBranch        *b_H_gold_ph;   //!
-   TBranch        *b_H_gold_px;   //!
-   TBranch        *b_H_gold_py;   //!
-   TBranch        *b_H_gold_pz;   //!
-   TBranch        *b_H_gold_th;   //!
-   TBranch        *b_H_gold_x;   //!
-   TBranch        *b_H_gold_y;   //!
-   TBranch        *b_H_tr_n;   //!
-   TBranch        *b_g_evtyp;   //!
-   TBranch        *b_Event_Branch_fEvtHdr_fEvtTime;   //!
-   TBranch        *b_Event_Branch_fEvtHdr_fEvtNum;   //!
-   TBranch        *b_Event_Branch_fEvtHdr_fEvtType;   //!
-   TBranch        *b_Event_Branch_fEvtHdr_fEvtLen;   //!
-   TBranch        *b_Event_Branch_fEvtHdr_fHelicity;   //!
-   TBranch        *b_Event_Branch_fEvtHdr_fTargetPol;   //!
-   TBranch        *b_Event_Branch_fEvtHdr_fRun;   //!
-
-   hcana_class(TTree *tree=0);
-   virtual ~hcana_class();
-   virtual Int_t    Cut(Long64_t entry);
-   virtual Int_t    GetEntry(Long64_t entry);
-   virtual Long64_t LoadTree(Long64_t entry);
-   virtual void     Init(TTree *tree);
-   virtual void     Loop();
-   virtual Bool_t   Notify();
-   virtual void     Show(Long64_t entry = -1);
-};
-
-#endif
-
-#ifdef hcana_class_cxx
-hcana_class::hcana_class(TTree *tree) : fChain(0) 
-{
-// if parameter tree is not specified (or zero), connect the file
-// used to generate this class and read the Tree.
-   if (tree == 0) {
-      TFile *f = (TFile*)gROOT->GetListOfFiles()->FindObject("hodtest_52949.root");
-      if (!f || !f->IsOpen()) {
-         f = new TFile("hodtest_52949.root");
-      }
-      f->GetObject("T",tree);
-
-   }
-   Init(tree);
-}
-
-hcana_class::~hcana_class()
-{
-   if (!fChain) return;
-   delete fChain->GetCurrentFile();
-}
-
-Int_t hcana_class::GetEntry(Long64_t entry)
-{
-// Read contents of entry.
-   if (!fChain) return 0;
-   return fChain->GetEntry(entry);
-}
-Long64_t hcana_class::LoadTree(Long64_t entry)
-{
-// Set the environment to read one entry
-   if (!fChain) return -5;
-   Long64_t centry = fChain->LoadTree(entry);
-   if (centry < 0) return centry;
-   if (fChain->GetTreeNumber() != fCurrent) {
-      fCurrent = fChain->GetTreeNumber();
-      Notify();
-   }
-   return centry;
-}
-
-void hcana_class::Init(TTree *tree)
-{
-   // The Init() function is called when the selector needs to initialize
-   // a new tree or chain. Typically here the branch addresses and branch
-   // pointers of the tree will be set.
-   // It is normally not necessary to make changes to the generated
-   // code, but the routine can be extended by the user if needed.
-   // Init() will be called many times when running on PROOF
-   // (once per file to be processed).
-
-   // Set branch addresses and branch pointers
-   if (!tree) return;
-   fChain = tree;
-   fCurrent = -1;
-   fChain->SetMakeClass(1);
-
-   fChain->SetBranchAddress("Ndata.H.cal.1pr.aneg", &Ndata_H_cal_1pr_aneg, &b_Ndata_H_cal_1pr_aneg);
-   fChain->SetBranchAddress("H.cal.1pr.aneg", H_cal_1pr_aneg, &b_H_cal_1pr_aneg);
-   fChain->SetBranchAddress("Ndata.H.cal.1pr.aneg_p", &Ndata_H_cal_1pr_aneg_p, &b_Ndata_H_cal_1pr_aneg_p);
-   fChain->SetBranchAddress("H.cal.1pr.aneg_p", H_cal_1pr_aneg_p, &b_H_cal_1pr_aneg_p);
-   fChain->SetBranchAddress("Ndata.H.cal.1pr.apos", &Ndata_H_cal_1pr_apos, &b_Ndata_H_cal_1pr_apos);
-   fChain->SetBranchAddress("H.cal.1pr.apos", H_cal_1pr_apos, &b_H_cal_1pr_apos);
-   fChain->SetBranchAddress("Ndata.H.cal.1pr.apos_p", &Ndata_H_cal_1pr_apos_p, &b_Ndata_H_cal_1pr_apos_p);
-   fChain->SetBranchAddress("H.cal.1pr.apos_p", H_cal_1pr_apos_p, &b_H_cal_1pr_apos_p);
-   fChain->SetBranchAddress("Ndata.H.cal.1pr.emean", &Ndata_H_cal_1pr_emean, &b_Ndata_H_cal_1pr_emean);
-   fChain->SetBranchAddress("H.cal.1pr.emean", H_cal_1pr_emean, &b_H_cal_1pr_emean);
-   fChain->SetBranchAddress("Ndata.H.cal.1pr.eneg", &Ndata_H_cal_1pr_eneg, &b_Ndata_H_cal_1pr_eneg);
-   fChain->SetBranchAddress("H.cal.1pr.eneg", H_cal_1pr_eneg, &b_H_cal_1pr_eneg);
-   fChain->SetBranchAddress("Ndata.H.cal.1pr.epos", &Ndata_H_cal_1pr_epos, &b_Ndata_H_cal_1pr_epos);
-   fChain->SetBranchAddress("H.cal.1pr.epos", H_cal_1pr_epos, &b_H_cal_1pr_epos);
-   fChain->SetBranchAddress("Ndata.H.cal.1pr.negadchits", &Ndata_H_cal_1pr_negadchits, &b_Ndata_H_cal_1pr_negadchits);
-   fChain->SetBranchAddress("H.cal.1pr.negadchits", H_cal_1pr_negadchits, &b_H_cal_1pr_negadchits);
-   fChain->SetBranchAddress("Ndata.H.cal.1pr.posadchits", &Ndata_H_cal_1pr_posadchits, &b_Ndata_H_cal_1pr_posadchits);
-   fChain->SetBranchAddress("H.cal.1pr.posadchits", H_cal_1pr_posadchits, &b_H_cal_1pr_posadchits);
-   fChain->SetBranchAddress("Ndata.H.cal.2ta.aneg", &Ndata_H_cal_2ta_aneg, &b_Ndata_H_cal_2ta_aneg);
-   fChain->SetBranchAddress("H.cal.2ta.aneg", H_cal_2ta_aneg, &b_H_cal_2ta_aneg);
-   fChain->SetBranchAddress("Ndata.H.cal.2ta.aneg_p", &Ndata_H_cal_2ta_aneg_p, &b_Ndata_H_cal_2ta_aneg_p);
-   fChain->SetBranchAddress("H.cal.2ta.aneg_p", H_cal_2ta_aneg_p, &b_H_cal_2ta_aneg_p);
-   fChain->SetBranchAddress("Ndata.H.cal.2ta.apos", &Ndata_H_cal_2ta_apos, &b_Ndata_H_cal_2ta_apos);
-   fChain->SetBranchAddress("H.cal.2ta.apos", H_cal_2ta_apos, &b_H_cal_2ta_apos);
-   fChain->SetBranchAddress("Ndata.H.cal.2ta.apos_p", &Ndata_H_cal_2ta_apos_p, &b_Ndata_H_cal_2ta_apos_p);
-   fChain->SetBranchAddress("H.cal.2ta.apos_p", H_cal_2ta_apos_p, &b_H_cal_2ta_apos_p);
-   fChain->SetBranchAddress("Ndata.H.cal.2ta.emean", &Ndata_H_cal_2ta_emean, &b_Ndata_H_cal_2ta_emean);
-   fChain->SetBranchAddress("H.cal.2ta.emean", H_cal_2ta_emean, &b_H_cal_2ta_emean);
-   fChain->SetBranchAddress("Ndata.H.cal.2ta.eneg", &Ndata_H_cal_2ta_eneg, &b_Ndata_H_cal_2ta_eneg);
-   fChain->SetBranchAddress("H.cal.2ta.eneg", H_cal_2ta_eneg, &b_H_cal_2ta_eneg);
-   fChain->SetBranchAddress("Ndata.H.cal.2ta.epos", &Ndata_H_cal_2ta_epos, &b_Ndata_H_cal_2ta_epos);
-   fChain->SetBranchAddress("H.cal.2ta.epos", H_cal_2ta_epos, &b_H_cal_2ta_epos);
-   fChain->SetBranchAddress("Ndata.H.cal.2ta.negadchits", &Ndata_H_cal_2ta_negadchits, &b_Ndata_H_cal_2ta_negadchits);
-   fChain->SetBranchAddress("H.cal.2ta.negadchits", H_cal_2ta_negadchits, &b_H_cal_2ta_negadchits);
-   fChain->SetBranchAddress("Ndata.H.cal.2ta.posadchits", &Ndata_H_cal_2ta_posadchits, &b_Ndata_H_cal_2ta_posadchits);
-   fChain->SetBranchAddress("H.cal.2ta.posadchits", H_cal_2ta_posadchits, &b_H_cal_2ta_posadchits);
-   fChain->SetBranchAddress("Ndata.H.cal.3ta.aneg", &Ndata_H_cal_3ta_aneg, &b_Ndata_H_cal_3ta_aneg);
-   fChain->SetBranchAddress("H.cal.3ta.aneg", H_cal_3ta_aneg, &b_H_cal_3ta_aneg);
-   fChain->SetBranchAddress("Ndata.H.cal.3ta.aneg_p", &Ndata_H_cal_3ta_aneg_p, &b_Ndata_H_cal_3ta_aneg_p);
-   fChain->SetBranchAddress("H.cal.3ta.aneg_p", H_cal_3ta_aneg_p, &b_H_cal_3ta_aneg_p);
-   fChain->SetBranchAddress("Ndata.H.cal.3ta.apos", &Ndata_H_cal_3ta_apos, &b_Ndata_H_cal_3ta_apos);
-   fChain->SetBranchAddress("H.cal.3ta.apos", H_cal_3ta_apos, &b_H_cal_3ta_apos);
-   fChain->SetBranchAddress("Ndata.H.cal.3ta.apos_p", &Ndata_H_cal_3ta_apos_p, &b_Ndata_H_cal_3ta_apos_p);
-   fChain->SetBranchAddress("H.cal.3ta.apos_p", H_cal_3ta_apos_p, &b_H_cal_3ta_apos_p);
-   fChain->SetBranchAddress("Ndata.H.cal.3ta.emean", &Ndata_H_cal_3ta_emean, &b_Ndata_H_cal_3ta_emean);
-   fChain->SetBranchAddress("H.cal.3ta.emean", H_cal_3ta_emean, &b_H_cal_3ta_emean);
-   fChain->SetBranchAddress("Ndata.H.cal.3ta.eneg", &Ndata_H_cal_3ta_eneg, &b_Ndata_H_cal_3ta_eneg);
-   fChain->SetBranchAddress("H.cal.3ta.eneg", H_cal_3ta_eneg, &b_H_cal_3ta_eneg);
-   fChain->SetBranchAddress("Ndata.H.cal.3ta.epos", &Ndata_H_cal_3ta_epos, &b_Ndata_H_cal_3ta_epos);
-   fChain->SetBranchAddress("H.cal.3ta.epos", H_cal_3ta_epos, &b_H_cal_3ta_epos);
-   fChain->SetBranchAddress("Ndata.H.cal.3ta.negadchits", &Ndata_H_cal_3ta_negadchits, &b_Ndata_H_cal_3ta_negadchits);
-   fChain->SetBranchAddress("H.cal.3ta.negadchits", &H_cal_3ta_negadchits, &b_H_cal_3ta_negadchits);
-   fChain->SetBranchAddress("Ndata.H.cal.3ta.posadchits", &Ndata_H_cal_3ta_posadchits, &b_Ndata_H_cal_3ta_posadchits);
-   fChain->SetBranchAddress("H.cal.3ta.posadchits", H_cal_3ta_posadchits, &b_H_cal_3ta_posadchits);
-   fChain->SetBranchAddress("Ndata.H.cal.4ta.aneg", &Ndata_H_cal_4ta_aneg, &b_Ndata_H_cal_4ta_aneg);
-   fChain->SetBranchAddress("H.cal.4ta.aneg", H_cal_4ta_aneg, &b_H_cal_4ta_aneg);
-   fChain->SetBranchAddress("Ndata.H.cal.4ta.aneg_p", &Ndata_H_cal_4ta_aneg_p, &b_Ndata_H_cal_4ta_aneg_p);
-   fChain->SetBranchAddress("H.cal.4ta.aneg_p", H_cal_4ta_aneg_p, &b_H_cal_4ta_aneg_p);
-   fChain->SetBranchAddress("Ndata.H.cal.4ta.apos", &Ndata_H_cal_4ta_apos, &b_Ndata_H_cal_4ta_apos);
-   fChain->SetBranchAddress("H.cal.4ta.apos", H_cal_4ta_apos, &b_H_cal_4ta_apos);
-   fChain->SetBranchAddress("Ndata.H.cal.4ta.apos_p", &Ndata_H_cal_4ta_apos_p, &b_Ndata_H_cal_4ta_apos_p);
-   fChain->SetBranchAddress("H.cal.4ta.apos_p", H_cal_4ta_apos_p, &b_H_cal_4ta_apos_p);
-   fChain->SetBranchAddress("Ndata.H.cal.4ta.emean", &Ndata_H_cal_4ta_emean, &b_Ndata_H_cal_4ta_emean);
-   fChain->SetBranchAddress("H.cal.4ta.emean", H_cal_4ta_emean, &b_H_cal_4ta_emean);
-   fChain->SetBranchAddress("Ndata.H.cal.4ta.eneg", &Ndata_H_cal_4ta_eneg, &b_Ndata_H_cal_4ta_eneg);
-   fChain->SetBranchAddress("H.cal.4ta.eneg", H_cal_4ta_eneg, &b_H_cal_4ta_eneg);
-   fChain->SetBranchAddress("Ndata.H.cal.4ta.epos", &Ndata_H_cal_4ta_epos, &b_Ndata_H_cal_4ta_epos);
-   fChain->SetBranchAddress("H.cal.4ta.epos", H_cal_4ta_epos, &b_H_cal_4ta_epos);
-   fChain->SetBranchAddress("Ndata.H.cal.4ta.negadchits", &Ndata_H_cal_4ta_negadchits, &b_Ndata_H_cal_4ta_negadchits);
-   fChain->SetBranchAddress("H.cal.4ta.negadchits", &H_cal_4ta_negadchits, &b_H_cal_4ta_negadchits);
-   fChain->SetBranchAddress("Ndata.H.cal.4ta.posadchits", &Ndata_H_cal_4ta_posadchits, &b_Ndata_H_cal_4ta_posadchits);
-   fChain->SetBranchAddress("H.cal.4ta.posadchits", H_cal_4ta_posadchits, &b_H_cal_4ta_posadchits);
-   fChain->SetBranchAddress("Ndata.H.tr.beta", &Ndata_H_tr_beta, &b_Ndata_H_tr_beta);
-   fChain->SetBranchAddress("H.tr.beta", H_tr_beta, &b_H_tr_beta);
-   fChain->SetBranchAddress("Ndata.H.tr.chi2", &Ndata_H_tr_chi2, &b_Ndata_H_tr_chi2);
-   fChain->SetBranchAddress("H.tr.chi2", H_tr_chi2, &b_H_tr_chi2);
-   fChain->SetBranchAddress("Ndata.H.tr.d_ph", &Ndata_H_tr_d_ph, &b_Ndata_H_tr_d_ph);
-   fChain->SetBranchAddress("H.tr.d_ph", H_tr_d_ph, &b_H_tr_d_ph);
-   fChain->SetBranchAddress("Ndata.H.tr.d_th", &Ndata_H_tr_d_th, &b_Ndata_H_tr_d_th);
-   fChain->SetBranchAddress("H.tr.d_th", H_tr_d_th, &b_H_tr_d_th);
-   fChain->SetBranchAddress("Ndata.H.tr.d_x", &Ndata_H_tr_d_x, &b_Ndata_H_tr_d_x);
-   fChain->SetBranchAddress("H.tr.d_x", H_tr_d_x, &b_H_tr_d_x);
-   fChain->SetBranchAddress("Ndata.H.tr.d_y", &Ndata_H_tr_d_y, &b_Ndata_H_tr_d_y);
-   fChain->SetBranchAddress("H.tr.d_y", H_tr_d_y, &b_H_tr_d_y);
-   fChain->SetBranchAddress("Ndata.H.tr.dbeta", &Ndata_H_tr_dbeta, &b_Ndata_H_tr_dbeta);
-   fChain->SetBranchAddress("H.tr.dbeta", H_tr_dbeta, &b_H_tr_dbeta);
-   fChain->SetBranchAddress("Ndata.H.tr.dtime", &Ndata_H_tr_dtime, &b_Ndata_H_tr_dtime);
-   fChain->SetBranchAddress("H.tr.dtime", H_tr_dtime, &b_H_tr_dtime);
-   fChain->SetBranchAddress("Ndata.H.tr.flag", &Ndata_H_tr_flag, &b_Ndata_H_tr_flag);
-   fChain->SetBranchAddress("H.tr.flag", H_tr_flag, &b_H_tr_flag);
-   fChain->SetBranchAddress("Ndata.H.tr.ndof", &Ndata_H_tr_ndof, &b_Ndata_H_tr_ndof);
-   fChain->SetBranchAddress("H.tr.ndof", H_tr_ndof, &b_H_tr_ndof);
-   fChain->SetBranchAddress("Ndata.H.tr.p", &Ndata_H_tr_p, &b_Ndata_H_tr_p);
-   fChain->SetBranchAddress("H.tr.p", H_tr_p, &b_H_tr_p);
-   fChain->SetBranchAddress("Ndata.H.tr.pathl", &Ndata_H_tr_pathl, &b_Ndata_H_tr_pathl);
-   fChain->SetBranchAddress("H.tr.pathl", H_tr_pathl, &b_H_tr_pathl);
-   fChain->SetBranchAddress("Ndata.H.tr.ph", &Ndata_H_tr_ph, &b_Ndata_H_tr_ph);
-   fChain->SetBranchAddress("H.tr.ph", H_tr_ph, &b_H_tr_ph);
-   fChain->SetBranchAddress("Ndata.H.tr.px", &Ndata_H_tr_px, &b_Ndata_H_tr_px);
-   fChain->SetBranchAddress("H.tr.px", H_tr_px, &b_H_tr_px);
-   fChain->SetBranchAddress("Ndata.H.tr.py", &Ndata_H_tr_py, &b_Ndata_H_tr_py);
-   fChain->SetBranchAddress("H.tr.py", H_tr_py, &b_H_tr_py);
-   fChain->SetBranchAddress("Ndata.H.tr.pz", &Ndata_H_tr_pz, &b_Ndata_H_tr_pz);
-   fChain->SetBranchAddress("H.tr.pz", H_tr_pz, &b_H_tr_pz);
-   fChain->SetBranchAddress("Ndata.H.tr.r_ph", &Ndata_H_tr_r_ph, &b_Ndata_H_tr_r_ph);
-   fChain->SetBranchAddress("H.tr.r_ph", H_tr_r_ph, &b_H_tr_r_ph);
-   fChain->SetBranchAddress("Ndata.H.tr.r_th", &Ndata_H_tr_r_th, &b_Ndata_H_tr_r_th);
-   fChain->SetBranchAddress("H.tr.r_th", H_tr_r_th, &b_H_tr_r_th);
-   fChain->SetBranchAddress("Ndata.H.tr.r_x", &Ndata_H_tr_r_x, &b_Ndata_H_tr_r_x);
-   fChain->SetBranchAddress("H.tr.r_x", H_tr_r_x, &b_H_tr_r_x);
-   fChain->SetBranchAddress("Ndata.H.tr.r_y", &Ndata_H_tr_r_y, &b_Ndata_H_tr_r_y);
-   fChain->SetBranchAddress("H.tr.r_y", H_tr_r_y, &b_H_tr_r_y);
-   fChain->SetBranchAddress("Ndata.H.tr.tg_dp", &Ndata_H_tr_tg_dp, &b_Ndata_H_tr_tg_dp);
-   fChain->SetBranchAddress("H.tr.tg_dp", H_tr_tg_dp, &b_H_tr_tg_dp);
-   fChain->SetBranchAddress("Ndata.H.tr.tg_ph", &Ndata_H_tr_tg_ph, &b_Ndata_H_tr_tg_ph);
-   fChain->SetBranchAddress("H.tr.tg_ph", H_tr_tg_ph, &b_H_tr_tg_ph);
-   fChain->SetBranchAddress("Ndata.H.tr.tg_th", &Ndata_H_tr_tg_th, &b_Ndata_H_tr_tg_th);
-   fChain->SetBranchAddress("H.tr.tg_th", H_tr_tg_th, &b_H_tr_tg_th);
-   fChain->SetBranchAddress("Ndata.H.tr.tg_y", &Ndata_H_tr_tg_y, &b_Ndata_H_tr_tg_y);
-   fChain->SetBranchAddress("H.tr.tg_y", H_tr_tg_y, &b_H_tr_tg_y);
-   fChain->SetBranchAddress("Ndata.H.tr.th", &Ndata_H_tr_th, &b_Ndata_H_tr_th);
-   fChain->SetBranchAddress("H.tr.th", H_tr_th, &b_H_tr_th);
-   fChain->SetBranchAddress("Ndata.H.tr.time", &Ndata_H_tr_time, &b_Ndata_H_tr_time);
-   fChain->SetBranchAddress("H.tr.time", H_tr_time, &b_H_tr_time);
-   fChain->SetBranchAddress("Ndata.H.tr.vx", &Ndata_H_tr_vx, &b_Ndata_H_tr_vx);
-   fChain->SetBranchAddress("H.tr.vx", H_tr_vx, &b_H_tr_vx);
-   fChain->SetBranchAddress("Ndata.H.tr.vy", &Ndata_H_tr_vy, &b_Ndata_H_tr_vy);
-   fChain->SetBranchAddress("H.tr.vy", H_tr_vy, &b_H_tr_vy);
-   fChain->SetBranchAddress("Ndata.H.tr.vz", &Ndata_H_tr_vz, &b_Ndata_H_tr_vz);
-   fChain->SetBranchAddress("H.tr.vz", H_tr_vz, &b_H_tr_vz);
-   fChain->SetBranchAddress("Ndata.H.tr.x", &Ndata_H_tr_x, &b_Ndata_H_tr_x);
-   fChain->SetBranchAddress("H.tr.x", H_tr_x, &b_H_tr_x);
-   fChain->SetBranchAddress("Ndata.H.tr.y", &Ndata_H_tr_y, &b_Ndata_H_tr_y);
-   fChain->SetBranchAddress("H.tr.y", H_tr_y, &b_H_tr_y);
-   fChain->SetBranchAddress("H.cal.1pr.eplane", &H_cal_1pr_eplane, &b_H_cal_1pr_eplane);
-   fChain->SetBranchAddress("H.cal.1pr.eplane_neg", &H_cal_1pr_eplane_neg, &b_H_cal_1pr_eplane_neg);
-   fChain->SetBranchAddress("H.cal.1pr.eplane_pos", &H_cal_1pr_eplane_pos, &b_H_cal_1pr_eplane_pos);
-   fChain->SetBranchAddress("H.cal.2ta.eplane", &H_cal_2ta_eplane, &b_H_cal_2ta_eplane);
-   fChain->SetBranchAddress("H.cal.2ta.eplane_neg", &H_cal_2ta_eplane_neg, &b_H_cal_2ta_eplane_neg);
-   fChain->SetBranchAddress("H.cal.2ta.eplane_pos", &H_cal_2ta_eplane_pos, &b_H_cal_2ta_eplane_pos);
-   fChain->SetBranchAddress("H.cal.3ta.eplane", &H_cal_3ta_eplane, &b_H_cal_3ta_eplane);
-   fChain->SetBranchAddress("H.cal.3ta.eplane_neg", &H_cal_3ta_eplane_neg, &b_H_cal_3ta_eplane_neg);
-   fChain->SetBranchAddress("H.cal.3ta.eplane_pos", &H_cal_3ta_eplane_pos, &b_H_cal_3ta_eplane_pos);
-   fChain->SetBranchAddress("H.cal.4ta.eplane", &H_cal_4ta_eplane, &b_H_cal_4ta_eplane);
-   fChain->SetBranchAddress("H.cal.4ta.eplane_neg", &H_cal_4ta_eplane_neg, &b_H_cal_4ta_eplane_neg);
-   fChain->SetBranchAddress("H.cal.4ta.eplane_pos", &H_cal_4ta_eplane_pos, &b_H_cal_4ta_eplane_pos);
-   fChain->SetBranchAddress("H.cal.nclust", &H_cal_nclust, &b_H_cal_nclust);
-   fChain->SetBranchAddress("H.cal.nhits", &H_cal_nhits, &b_H_cal_nhits);
-   fChain->SetBranchAddress("H.cal.ntracks", &H_cal_ntracks, &b_H_cal_ntracks);
-   fChain->SetBranchAddress("H.gold.dp", &H_gold_dp, &b_H_gold_dp);
-   fChain->SetBranchAddress("H.gold.e", &H_gold_e, &b_H_gold_e);
-   fChain->SetBranchAddress("H.gold.fp_ph", &H_gold_fp_ph, &b_H_gold_fp_ph);
-   fChain->SetBranchAddress("H.gold.fp_th", &H_gold_fp_th, &b_H_gold_fp_th);
-   fChain->SetBranchAddress("H.gold.fp_x", &H_gold_fp_x, &b_H_gold_fp_x);
-   fChain->SetBranchAddress("H.gold.fp_y", &H_gold_fp_y, &b_H_gold_fp_y);
-   fChain->SetBranchAddress("H.gold.index", &H_gold_index, &b_H_gold_index);
-   fChain->SetBranchAddress("H.gold.ok", &H_gold_ok, &b_H_gold_ok);
-   fChain->SetBranchAddress("H.gold.p", &H_gold_p, &b_H_gold_p);
-   fChain->SetBranchAddress("H.gold.ph", &H_gold_ph, &b_H_gold_ph);
-   fChain->SetBranchAddress("H.gold.px", &H_gold_px, &b_H_gold_px);
-   fChain->SetBranchAddress("H.gold.py", &H_gold_py, &b_H_gold_py);
-   fChain->SetBranchAddress("H.gold.pz", &H_gold_pz, &b_H_gold_pz);
-   fChain->SetBranchAddress("H.gold.th", &H_gold_th, &b_H_gold_th);
-   fChain->SetBranchAddress("H.gold.x", &H_gold_x, &b_H_gold_x);
-   fChain->SetBranchAddress("H.gold.y", &H_gold_y, &b_H_gold_y);
-   fChain->SetBranchAddress("H.tr.n", &H_tr_n, &b_H_tr_n);
-   fChain->SetBranchAddress("g.evtyp", &g_evtyp, &b_g_evtyp);
-   fChain->SetBranchAddress("fEvtHdr.fEvtTime", &fEvtHdr_fEvtTime, &b_Event_Branch_fEvtHdr_fEvtTime);
-   fChain->SetBranchAddress("fEvtHdr.fEvtNum", &fEvtHdr_fEvtNum, &b_Event_Branch_fEvtHdr_fEvtNum);
-   fChain->SetBranchAddress("fEvtHdr.fEvtType", &fEvtHdr_fEvtType, &b_Event_Branch_fEvtHdr_fEvtType);
-   fChain->SetBranchAddress("fEvtHdr.fEvtLen", &fEvtHdr_fEvtLen, &b_Event_Branch_fEvtHdr_fEvtLen);
-   fChain->SetBranchAddress("fEvtHdr.fHelicity", &fEvtHdr_fHelicity, &b_Event_Branch_fEvtHdr_fHelicity);
-   fChain->SetBranchAddress("fEvtHdr.fTargetPol", &fEvtHdr_fTargetPol, &b_Event_Branch_fEvtHdr_fTargetPol);
-   fChain->SetBranchAddress("fEvtHdr.fRun", &fEvtHdr_fRun, &b_Event_Branch_fEvtHdr_fRun);
-   Notify();
-}
-
-Bool_t hcana_class::Notify()
-{
-   // The Notify() function is called when a new file is opened. This
-   // can be either for a new TTree in a TChain or when when a new TTree
-   // is started when using PROOF. It is normally not necessary to make changes
-   // to the generated code, but the routine can be extended by the
-   // user if needed. The return value is currently not used.
-
-   return kTRUE;
-}
-
-void hcana_class::Show(Long64_t entry)
-{
-// Print contents of entry.
-// If entry is not specified, print current entry
-   if (!fChain) return;
-   fChain->Show(entry);
-}
-Int_t hcana_class::Cut(Long64_t entry)
-{
-// This function may be called from Loop.
-// returns  1 if entry is accepted.
-// returns -1 otherwise.
-   return 1;
-}
-#endif // #ifdef hcana_class_cxx
diff --git a/examples/gtrk_e/make_class.C b/examples/gtrk_e/make_class.C
deleted file mode 100644
index a22c5e9cad888e3f01b38a3f18f70ae384ee195f..0000000000000000000000000000000000000000
--- a/examples/gtrk_e/make_class.C
+++ /dev/null
@@ -1,17 +0,0 @@
-#include <TTree.h>
-#include <TFile.h>
-#include <TROOT.h>
-#include <iostream>
-
-using namespace std;
-
-void make_class(string root_file="hodtest_52949.root",
-		string tree_name="T;1",
-		string class_name="hcana_class") {
-
-  TFile* r_file = new TFile(root_file.c_str());
-  //  TTree *T = (TTree*)gROOT->FindObject("T;1");
-  TTree *T = (TTree*)gROOT->FindObject(tree_name.c_str());
-  T->MakeClass(class_name.c_str());
-
-}