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jengbou |
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#ifndef NtupleSkim_h
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#define NtupleSkim_h
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#include <TROOT.h>
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#include <TChain.h>
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#include <TFile.h>
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#include <TH1.h>
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#include <TH2.h>
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#include <TH3.h>
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#include <vector>
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#include <iostream>
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#include "TObject.h"
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class NtupleSkim {
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public :
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TH1D *h_d0;
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TH1D *h_d0bs;
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TH1D *h_sigmad0;
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TH1D *h_z0;
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TH1D *h_pt;
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TH1D *h_normChi2;
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TH1D *h_nPixelHit;
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TH1D *h_nStripHit;
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TProfile *h_d0_phi;
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TProfile *h_d0bs_phi;
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TProfile *h_vx_dz;
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TProfile *h_vy_dz;
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TTree *fChain; //!pointer to the analyzed TTree or TChain
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Int_t fCurrent; //!current Tree number in a TChain
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// Declaration of leave types
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Float_t run;
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Float_t event;
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Double_t pt;
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Double_t d0;
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Double_t d0bs;
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Double_t phi0;
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Double_t sigmad0;
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Double_t z0;
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Double_t vx;
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Double_t vy;
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//Double_t sigmaz0;
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UInt_t nPixelHit;
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UInt_t nStripHit;
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Double_t normchi2;
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Double_t eta;
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// List of branches
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TBranch *b_run;
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TBranch *b_event;
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TBranch *b_vx;
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TBranch *b_vy;
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TBranch *b_pt;
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TBranch *b_d0;
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TBranch *b_d0bs;
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TBranch *b_phi0;
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TBranch *b_sigmad0;
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TBranch *b_z0;
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TBranch *b_sigmaz0;
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TBranch *b_nPixelHit;
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TBranch *b_nStripHit;
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TBranch *b_normchi2;
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TBranch *b_eta;
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NtupleSkim(const char* fname ,TTree *tree=0);
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virtual ~NtupleSkim();
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virtual Int_t Cut(Long64_t entry);
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virtual Int_t GetEntry(Long64_t entry);
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virtual Long64_t LoadTree(Long64_t entry);
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virtual void Init(TTree *tree);
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virtual void Loop(int maxEvents= 0);
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virtual Bool_t Notify();
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virtual void Show(Long64_t entry = -1);
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virtual void Book();
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ClassDef(NtupleSkim,1)
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};
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#endif
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#ifdef NtupleSkim_cc
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NtupleSkim::NtupleSkim(const char* fname,TTree *tree)
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{
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// if parameter tree is not specified (or zero), connect the file
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// used to generate this class and read the Tree.
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if (tree == 0) {
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TFile *f = (TFile*)gROOT->GetListOfFiles()->FindObject(fname);
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if (!f) {
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f = new TFile(fname);
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}
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tree = (TTree*)gDirectory->Get("mytree");
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std::cout << "[NtupleSkim] got tree " << std::endl;
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//tree = (TTree*)gDirectory->Get("mytree"); // for reco ntuple
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}
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Init(tree);
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}
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NtupleSkim::~NtupleSkim()
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{
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if (!fChain) return;
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delete fChain->GetCurrentFile();
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}
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Int_t NtupleSkim::GetEntry(Long64_t entry)
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{
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// Read contents of entry.
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if (!fChain) return 0;
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return fChain->GetEntry(entry);
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}
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Long64_t NtupleSkim::LoadTree(Long64_t entry)
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{
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// Set the environment to read one entry
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if (!fChain) return -5;
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Long64_t centry = fChain->LoadTree(entry);
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if (centry < 0) return centry;
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if (fChain->IsA() != TChain::Class()) return centry;
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TChain *chain = (TChain*)fChain;
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if (chain->GetTreeNumber() != fCurrent) {
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fCurrent = chain->GetTreeNumber();
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Notify();
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}
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return centry;
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}
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void NtupleSkim::Init(TTree *tree)
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{
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// The Init() function is called when the selector needs to initialize
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// a new tree or chain. Typically here the branch addresses of the tree
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// will be set. It is normaly not necessary to make changes to the
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// generated code, but the routine can be extended by the user if needed.
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// Init() will be called many times when running with PROOF.
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// Set branch addresses
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if (tree == 0) return;
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fChain = tree;
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fCurrent = -1;
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fChain->SetMakeClass(1);
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//fChain->SetBranchAddress("run",&run);
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//fChain->SetBranchAddress("event",&event);
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fChain->SetBranchAddress("pt",&pt);
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fChain->SetBranchAddress("d0",&d0);
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fChain->SetBranchAddress("d0_bs",&d0bs);
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fChain->SetBranchAddress("phi0",&phi0);
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fChain->SetBranchAddress("sigmad0",&sigmad0);
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fChain->SetBranchAddress("z0",&z0);
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//fChain->SetBranchAddress("sigmaz0",&sigmaz0);
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fChain->SetBranchAddress("vx",&vx);
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fChain->SetBranchAddress("vy",&vy);
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fChain->SetBranchAddress("normchi2",&normchi2);
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fChain->SetBranchAddress("eta",&eta);
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fChain->SetBranchAddress("nStripHit",&nStripHit);
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fChain->SetBranchAddress("nPixelHit",&nPixelHit);
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std::cout << "[NtupleSkim] tree initialized " << std::endl;
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Notify();
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}
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Bool_t NtupleSkim::Notify()
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{
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// The Notify() function is called when a new file is opened. This
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// can be either for a new TTree in a TChain or when when a new TTree
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// is started when using PROOF. Typically here the branch pointers
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// will be retrieved. It is normaly not necessary to make changes
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// to the generated code, but the routine can be extended by the
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// user if needed.
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// Get branch pointers
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//b_run = fChain->GetBranch("run");
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//b_event = fChain->GetBranch("event");
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b_pt = fChain->GetBranch("pt");
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b_d0 = fChain->GetBranch("d0");
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b_d0bs = fChain->GetBranch("d0bs");
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b_phi0 = fChain->GetBranch("phi0");
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b_sigmad0 = fChain->GetBranch("sigmad0");
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b_z0 = fChain->GetBranch("z0");
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//b_sigmaz0 = fChain->GetBranch("sigmaz0");
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b_vx = fChain->GetBranch("vx");
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b_vy = fChain->GetBranch("vy");
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b_normchi2 = fChain->GetBranch("normchi2");
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b_eta = fChain->GetBranch("eta");
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b_nPixelHit = fChain->GetBranch("nPixelHit");
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b_nStripHit = fChain->GetBranch("nStripHit");
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std::cout << "[NtupleSkim] branches notified" << std::endl;
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return kTRUE;
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}
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void NtupleSkim::Show(Long64_t entry)
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{
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// Print contents of entry.
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// If entry is not specified, print current entry
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if (!fChain) return;
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fChain->Show(entry);
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}
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Int_t NtupleSkim::Cut(Long64_t entry)
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{
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// This function may be called from Loop.
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// returns 1 if entry is accepted.
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// returns -1 otherwise.
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return 1;
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}
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#endif // #ifdef NtupleSkim_cc
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