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ReadLHE.h
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//////////////////////////////////////////////////////////
// This class has been automatically generated on
// Mon Feb 16 21:07:29 2015 by ROOT version 5.34/09
// from TTree LHEF/Analysis tree
// found on file: unweighted_events.root
//////////////////////////////////////////////////////////
#ifndef ReadLHE_h
#define ReadLHE_h
#include <TROOT.h>
#include <TChain.h>
#include <TFile.h>
// Header file for the classes stored in the TTree if any.
#include <TClonesArray.h>
#include <TObject.h>
// Fixed size dimensions of array or collections stored in the TTree if any.
const Int_t kMaxEvent = 1;
const Int_t kMaxRwgt = 1;
const Int_t kMaxParticle = 6;
class ReadLHE {
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 Event_;
UInt_t Event_fUniqueID[kMaxEvent]; //[Event_]
UInt_t Event_fBits[kMaxEvent]; //[Event_]
Long64_t Event_Number[kMaxEvent]; //[Event_]
Int_t Event_Nparticles[kMaxEvent]; //[Event_]
Int_t Event_ProcessID[kMaxEvent]; //[Event_]
Double_t Event_Weight[kMaxEvent]; //[Event_]
Double_t Event_ScalePDF[kMaxEvent]; //[Event_]
Double_t Event_CouplingQED[kMaxEvent]; //[Event_]
Double_t Event_CouplingQCD[kMaxEvent]; //[Event_]
Int_t Event_size;
Int_t Rwgt_;
UInt_t Rwgt_fUniqueID[kMaxRwgt]; //[Rwgt_]
UInt_t Rwgt_fBits[kMaxRwgt]; //[Rwgt_]
Double_t Rwgt_Weight[kMaxRwgt]; //[Rwgt_]
Int_t Rwgt_size;
Int_t Particle_;
UInt_t Particle_fUniqueID[kMaxParticle]; //[Particle_]
UInt_t Particle_fBits[kMaxParticle]; //[Particle_]
Int_t Particle_PID[kMaxParticle]; //[Particle_]
Int_t Particle_Status[kMaxParticle]; //[Particle_]
Int_t Particle_Mother1[kMaxParticle]; //[Particle_]
Int_t Particle_Mother2[kMaxParticle]; //[Particle_]
Int_t Particle_ColorLine1[kMaxParticle]; //[Particle_]
Int_t Particle_ColorLine2[kMaxParticle]; //[Particle_]
Double_t Particle_Px[kMaxParticle]; //[Particle_]
Double_t Particle_Py[kMaxParticle]; //[Particle_]
Double_t Particle_Pz[kMaxParticle]; //[Particle_]
Double_t Particle_E[kMaxParticle]; //[Particle_]
Double_t Particle_M[kMaxParticle]; //[Particle_]
Double_t Particle_PT[kMaxParticle]; //[Particle_]
Double_t Particle_Eta[kMaxParticle]; //[Particle_]
Double_t Particle_Phi[kMaxParticle]; //[Particle_]
Double_t Particle_Rapidity[kMaxParticle]; //[Particle_]
Double_t Particle_LifeTime[kMaxParticle]; //[Particle_]
Double_t Particle_Spin[kMaxParticle]; //[Particle_]
Int_t Particle_size;
// List of branches
TBranch *b_Event_; //!
TBranch *b_Event_fUniqueID; //!
TBranch *b_Event_fBits; //!
TBranch *b_Event_Number; //!
TBranch *b_Event_Nparticles; //!
TBranch *b_Event_ProcessID; //!
TBranch *b_Event_Weight; //!
TBranch *b_Event_ScalePDF; //!
TBranch *b_Event_CouplingQED; //!
TBranch *b_Event_CouplingQCD; //!
TBranch *b_Event_size; //!
TBranch *b_Rwgt_; //!
TBranch *b_Rwgt_fUniqueID; //!
TBranch *b_Rwgt_fBits; //!
TBranch *b_Rwgt_Weight; //!
TBranch *b_Rwgt_size; //!
TBranch *b_Particle_; //!
TBranch *b_Particle_fUniqueID; //!
TBranch *b_Particle_fBits; //!
TBranch *b_Particle_PID; //!
TBranch *b_Particle_Status; //!
TBranch *b_Particle_Mother1; //!
TBranch *b_Particle_Mother2; //!
TBranch *b_Particle_ColorLine1; //!
TBranch *b_Particle_ColorLine2; //!
TBranch *b_Particle_Px; //!
TBranch *b_Particle_Py; //!
TBranch *b_Particle_Pz; //!
TBranch *b_Particle_E; //!
TBranch *b_Particle_M; //!
TBranch *b_Particle_PT; //!
TBranch *b_Particle_Eta; //!
TBranch *b_Particle_Phi; //!
TBranch *b_Particle_Rapidity; //!
TBranch *b_Particle_LifeTime; //!
TBranch *b_Particle_Spin; //!
TBranch *b_Particle_size; //!
ReadLHE(TTree *tree=0);
virtual ~ReadLHE();
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 ReadLHE_cxx
ReadLHE::ReadLHE(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("unweighted_events.root");
if (!f || !f->IsOpen()) {
f = new TFile("unweighted_events.root");
}
f->GetObject("LHEF",tree);
}
Init(tree);
}
ReadLHE::~ReadLHE()
{
if (!fChain) return;
delete fChain->GetCurrentFile();
}
Int_t ReadLHE::GetEntry(Long64_t entry)
{
// Read contents of entry.
if (!fChain) return 0;
return fChain->GetEntry(entry);
}
Long64_t ReadLHE::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 ReadLHE::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("Event", &Event_, &b_Event_);
fChain->SetBranchAddress("Event.fUniqueID", Event_fUniqueID, &b_Event_fUniqueID);
fChain->SetBranchAddress("Event.fBits", Event_fBits, &b_Event_fBits);
fChain->SetBranchAddress("Event.Number", Event_Number, &b_Event_Number);
fChain->SetBranchAddress("Event.Nparticles", Event_Nparticles, &b_Event_Nparticles);
fChain->SetBranchAddress("Event.ProcessID", Event_ProcessID, &b_Event_ProcessID);
fChain->SetBranchAddress("Event.Weight", Event_Weight, &b_Event_Weight);
fChain->SetBranchAddress("Event.ScalePDF", Event_ScalePDF, &b_Event_ScalePDF);
fChain->SetBranchAddress("Event.CouplingQED", Event_CouplingQED, &b_Event_CouplingQED);
fChain->SetBranchAddress("Event.CouplingQCD", Event_CouplingQCD, &b_Event_CouplingQCD);
fChain->SetBranchAddress("Event_size", &Event_size, &b_Event_size);
fChain->SetBranchAddress("Rwgt", &Rwgt_, &b_Rwgt_);
fChain->SetBranchAddress("Rwgt.fUniqueID", &Rwgt_fUniqueID, &b_Rwgt_fUniqueID);
fChain->SetBranchAddress("Rwgt.fBits", &Rwgt_fBits, &b_Rwgt_fBits);
fChain->SetBranchAddress("Rwgt.Weight", &Rwgt_Weight, &b_Rwgt_Weight);
fChain->SetBranchAddress("Rwgt_size", &Rwgt_size, &b_Rwgt_size);
fChain->SetBranchAddress("Particle", &Particle_, &b_Particle_);
fChain->SetBranchAddress("Particle.fUniqueID", Particle_fUniqueID, &b_Particle_fUniqueID);
fChain->SetBranchAddress("Particle.fBits", Particle_fBits, &b_Particle_fBits);
fChain->SetBranchAddress("Particle.PID", Particle_PID, &b_Particle_PID);
fChain->SetBranchAddress("Particle.Status", Particle_Status, &b_Particle_Status);
fChain->SetBranchAddress("Particle.Mother1", Particle_Mother1, &b_Particle_Mother1);
fChain->SetBranchAddress("Particle.Mother2", Particle_Mother2, &b_Particle_Mother2);
fChain->SetBranchAddress("Particle.ColorLine1", Particle_ColorLine1, &b_Particle_ColorLine1);
fChain->SetBranchAddress("Particle.ColorLine2", Particle_ColorLine2, &b_Particle_ColorLine2);
fChain->SetBranchAddress("Particle.Px", Particle_Px, &b_Particle_Px);
fChain->SetBranchAddress("Particle.Py", Particle_Py, &b_Particle_Py);
fChain->SetBranchAddress("Particle.Pz", Particle_Pz, &b_Particle_Pz);
fChain->SetBranchAddress("Particle.E", Particle_E, &b_Particle_E);
fChain->SetBranchAddress("Particle.M", Particle_M, &b_Particle_M);
fChain->SetBranchAddress("Particle.PT", Particle_PT, &b_Particle_PT);
fChain->SetBranchAddress("Particle.Eta", Particle_Eta, &b_Particle_Eta);
fChain->SetBranchAddress("Particle.Phi", Particle_Phi, &b_Particle_Phi);
fChain->SetBranchAddress("Particle.Rapidity", Particle_Rapidity, &b_Particle_Rapidity);
fChain->SetBranchAddress("Particle.LifeTime", Particle_LifeTime, &b_Particle_LifeTime);
fChain->SetBranchAddress("Particle.Spin", Particle_Spin, &b_Particle_Spin);
fChain->SetBranchAddress("Particle_size", &Particle_size, &b_Particle_size);
Notify();
}
Bool_t ReadLHE::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 ReadLHE::Show(Long64_t entry)
{
// Print contents of entry.
// If entry is not specified, print current entry
if (!fChain) return;
fChain->Show(entry);
}
Int_t ReadLHE::Cut(Long64_t entry)
{
// This function may be called from Loop.
// returns 1 if entry is accepted.
// returns -1 otherwise.
return 1;
}
#endif // #ifdef ReadLHE_cxx