1 /**************************************************************************
2 * Copyright(c) 1998-2007, ALICE Experiment at CERN, All rights reserved. *
4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
7 * Permission to use, copy, modify and distribute this software and its *
8 * documentation strictly for non-commercial purposes is hereby granted *
9 * without fee, provided that the above copyright notice appears in all *
10 * copies and that both the copyright notice and this permission notice *
11 * appear in the supporting documentation. The authors make no claims *
12 * about the suitability of this software for any purpose. It is *
13 * provided "as is" without express or implied warranty. *
14 **************************************************************************/
18 //-------------------------------------------------------------------------
20 // Author: Andreas Morsch, CERN
21 //-------------------------------------------------------------------------
23 #include <TLorentzVector.h>
24 #include "AliAODJet.h"
29 //______________________________________________________________________________
30 AliAODJet::AliAODJet() :
35 fVectorAreaCharged(0),
36 fRefTracks(new TRefArray())
41 fEffectiveArea[0] = 0.;
42 fEffectiveArea[1] = 0.;
43 fEffectiveAreaError[0] = fEffectiveAreaError[1] = 0;
44 fPtSubtracted[0] = fPtSubtracted[1] = 0;
47 AliAODJet::AliAODJet(Double_t px, Double_t py, Double_t pz, Double_t e):
52 fVectorAreaCharged(0),
53 fRefTracks(new TRefArray())
58 fEffectiveArea[0] = 0.;
59 fEffectiveArea[1] = 0.;
60 fEffectiveAreaError[0] = fEffectiveAreaError[1] = 0;
61 fPtSubtracted[0] = fPtSubtracted[1] = 0;
62 fMomentum = new TLorentzVector(px, py, pz, e);
65 AliAODJet::AliAODJet(TLorentzVector & p):
70 fVectorAreaCharged(0),
71 fRefTracks(new TRefArray())
76 fEffectiveArea[0] = 0.;
77 fEffectiveArea[1] = 0.;
78 fEffectiveAreaError[0] = fEffectiveAreaError[1] = 0;
79 fPtSubtracted[0] = fPtSubtracted[1] = 0;
80 fMomentum = new TLorentzVector(p);
84 //______________________________________________________________________________
85 AliAODJet::~AliAODJet()
89 delete fVectorAreaCharged;
93 //______________________________________________________________________________
94 AliAODJet::AliAODJet(const AliAODJet& jet) :
96 fNeutralFraction(jet.fNeutralFraction),
97 fTrigger(jet.fTrigger),
99 fVectorAreaCharged(0),
103 fBackgEnergy[0] = jet.fBackgEnergy[0];
104 fBackgEnergy[1] = jet.fBackgEnergy[1];
105 fEffectiveArea[0] = jet.fEffectiveArea[0];
106 fEffectiveArea[1] = jet.fEffectiveArea[1];
107 fEffectiveAreaError[0] = jet.fEffectiveAreaError[0];
108 fEffectiveAreaError[1] = jet.fEffectiveAreaError[1];
109 fPtSubtracted[0] = jet.fPtSubtracted[0];
110 fPtSubtracted[1] = jet.fPtSubtracted[1];
111 if(jet.fMomentum)fMomentum = new TLorentzVector(*jet.fMomentum);
112 if(jet.fVectorAreaCharged)fVectorAreaCharged = new TLorentzVector(*jet.fVectorAreaCharged);
113 fRefTracks = new TRefArray(*jet.fRefTracks);
116 //______________________________________________________________________________
117 AliAODJet& AliAODJet::operator=(const AliAODJet& jet)
119 // Assignment operator
122 fBackgEnergy[0] = jet.fBackgEnergy[0];
123 fBackgEnergy[1] = jet.fBackgEnergy[1];
124 fEffectiveArea[0] = jet.fEffectiveArea[0];
125 fEffectiveArea[1] = jet.fEffectiveArea[1];
126 fEffectiveAreaError[0] = jet.fEffectiveAreaError[0];
127 fEffectiveAreaError[1] = jet.fEffectiveAreaError[1];
128 fPtSubtracted[0] = jet.fPtSubtracted[0];
129 fPtSubtracted[1] = jet.fPtSubtracted[1];
130 fNeutralFraction = jet.fNeutralFraction;
131 fTrigger = jet.fTrigger;
135 if(fMomentum)*fMomentum = *jet.fMomentum;
136 else fMomentum = new TLorentzVector(*jet.fMomentum);
139 if(jet.fVectorAreaCharged){
140 if(fVectorAreaCharged)*fVectorAreaCharged = *jet.fVectorAreaCharged;
141 else fVectorAreaCharged = new TLorentzVector(*jet.fVectorAreaCharged);
144 fRefTracks = new TRefArray(*jet.fRefTracks);
150 void AliAODJet::Print(Option_t* option) const
154 // Print information of all data members
155 printf("Jet 4-vector:\n");
156 printf(" E = %13.3f\n", E() );
157 printf(" Px = %13.3f\n", Px());
158 printf(" Py = %13.3f\n", Py());
159 printf(" Pz = %13.3f\n", Pz());
160 printf("Background Energy:\n");
161 printf("Charged: %13.3f\n", ChargedBgEnergy());
162 printf("Neutral: %13.3f\n", NeutralBgEnergy());
163 printf("Total: %13.3f\n", TotalBgEnergy());
164 printf("Effective Area: \n");
165 printf("Charged: %13.3f\n", EffectiveAreaCharged());
166 printf("Neutral: %13.3f\n", EffectiveAreaNeutral());
169 printf("Jet %s, Eta: %13.3f, Phi: %13.3f, Pt: %13.3f\n",option,Eta(),Phi(),Pt());
174 void AliAODJet::SetPxPyPzE(Double_t px, Double_t py, Double_t pz, Double_t e){
176 // Set the four Momentum from outside
177 // MomentumVector()->SetPxPyPzE() cannot be used since pointer can be 0x0
181 fMomentum = new TLorentzVector(px,py,pz,e);
184 fMomentum->SetPxPyPzE(px,py,pz,e);
188 void AliAODJet::SetPtEtaPhiM(Double_t pt, Double_t eta, Double_t phi, Double_t m){
190 // Set the four Momentum from outside with pt eta phi and M
191 // MomentumVector()->SetPtPhiEtaM() cannot be used since pointer can be 0x0
195 fMomentum = new TLorentzVector();
197 fMomentum->SetPtEtaPhiM(pt,eta,phi,m);
202 Double_t AliAODJet::DeltaR(const AliVParticle* part) const {
204 // Helper function to calculate the distance between two jets
205 // or a jet and particle
207 Double_t dPhi = Phi() - part->Phi();
208 if(dPhi>TMath::Pi())dPhi = dPhi - 2.*TMath::Pi();
209 if(dPhi<(-1.*TMath::Pi()))dPhi = dPhi + 2.*TMath::Pi();
210 Double_t dEta = Eta() - part->Eta();
211 Double_t dR = TMath::Sqrt(dPhi*dPhi+dEta*dEta);
216 void AliAODJet::AddTrack(TObject *tr) {
217 // Add a track to the list of referenced tracks
218 if (fRefTracks->GetEntries() == 0) {
219 fRefTracks->Delete();
220 new(fRefTracks) TRefArray(TProcessID::GetProcessWithUID(tr));