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() :
33 fPtLeadingConstituent(-1.),
36 fVectorAreaCharged(0),
37 fRefTracks(new TRefArray())
42 fEffectiveArea[0] = 0.;
43 fEffectiveArea[1] = 0.;
44 fEffectiveAreaError[0] = fEffectiveAreaError[1] = 0;
45 fPtSubtracted[0] = fPtSubtracted[1] = 0;
48 AliAODJet::AliAODJet(Double_t px, Double_t py, Double_t pz, Double_t e):
51 fPtLeadingConstituent(-1.),
54 fVectorAreaCharged(0),
55 fRefTracks(new TRefArray())
62 fEffectiveArea[0] = 0.;
63 fEffectiveArea[1] = 0.;
64 fEffectiveAreaError[0] = fEffectiveAreaError[1] = 0;
65 fPtSubtracted[0] = fPtSubtracted[1] = 0;
66 fMomentum = new TLorentzVector(px, py, pz, e);
69 AliAODJet::AliAODJet(TLorentzVector & p):
72 fPtLeadingConstituent(-1.),
75 fVectorAreaCharged(0),
76 fRefTracks(new TRefArray())
82 fEffectiveArea[0] = 0.;
83 fEffectiveArea[1] = 0.;
84 fEffectiveAreaError[0] = fEffectiveAreaError[1] = 0;
85 fPtSubtracted[0] = fPtSubtracted[1] = 0;
86 fMomentum = new TLorentzVector(p);
90 //______________________________________________________________________________
91 AliAODJet::~AliAODJet()
95 delete fVectorAreaCharged;
99 //______________________________________________________________________________
100 AliAODJet::AliAODJet(const AliAODJet& jet) :
102 fNeutralFraction(jet.fNeutralFraction),
103 fPtLeadingConstituent(jet.fPtLeadingConstituent),
104 fTrigger(jet.fTrigger),
106 fVectorAreaCharged(0),
111 fBackgEnergy[0] = jet.fBackgEnergy[0];
112 fBackgEnergy[1] = jet.fBackgEnergy[1];
113 fEffectiveArea[0] = jet.fEffectiveArea[0];
114 fEffectiveArea[1] = jet.fEffectiveArea[1];
115 fEffectiveAreaError[0] = jet.fEffectiveAreaError[0];
116 fEffectiveAreaError[1] = jet.fEffectiveAreaError[1];
117 fPtSubtracted[0] = jet.fPtSubtracted[0];
118 fPtSubtracted[1] = jet.fPtSubtracted[1];
119 if(jet.fMomentum)fMomentum = new TLorentzVector(*jet.fMomentum);
120 if(jet.fVectorAreaCharged)fVectorAreaCharged = new TLorentzVector(*jet.fVectorAreaCharged);
121 fRefTracks = new TRefArray(*jet.fRefTracks);
124 //______________________________________________________________________________
125 AliAODJet& AliAODJet::operator=(const AliAODJet& jet)
127 // Assignment operator
130 fBackgEnergy[0] = jet.fBackgEnergy[0];
131 fBackgEnergy[1] = jet.fBackgEnergy[1];
132 fEffectiveArea[0] = jet.fEffectiveArea[0];
133 fEffectiveArea[1] = jet.fEffectiveArea[1];
134 fEffectiveAreaError[0] = jet.fEffectiveAreaError[0];
135 fEffectiveAreaError[1] = jet.fEffectiveAreaError[1];
136 fPtSubtracted[0] = jet.fPtSubtracted[0];
137 fPtSubtracted[1] = jet.fPtSubtracted[1];
138 fNeutralFraction = jet.fNeutralFraction;
139 fPtLeadingConstituent = jet.fPtLeadingConstituent;
140 fTrigger = jet.fTrigger;
144 if(fMomentum)*fMomentum = *jet.fMomentum;
145 else fMomentum = new TLorentzVector(*jet.fMomentum);
148 if(jet.fVectorAreaCharged){
149 if(fVectorAreaCharged)*fVectorAreaCharged = *jet.fVectorAreaCharged;
150 else fVectorAreaCharged = new TLorentzVector(*jet.fVectorAreaCharged);
153 fRefTracks = new TRefArray(*jet.fRefTracks);
161 void AliAODJet::Print(Option_t* option) const
165 // Print information of all data members
166 printf("Jet 4-vector:\n");
167 printf(" E = %13.3f\n", E() );
168 printf(" Px = %13.3f\n", Px());
169 printf(" Py = %13.3f\n", Py());
170 printf(" Pz = %13.3f\n", Pz());
171 printf("Background Energy:\n");
172 printf("Charged: %13.3f\n", ChargedBgEnergy());
173 printf("Neutral: %13.3f\n", NeutralBgEnergy());
174 printf("Total: %13.3f\n", TotalBgEnergy());
175 printf("Effective Area: \n");
176 printf("Charged: %13.3f\n", EffectiveAreaCharged());
177 printf("Neutral: %13.3f\n", EffectiveAreaNeutral());
178 printf("Leading constituent: %f\n",GetPtLeading());
181 printf("Jet %s, Eta: %13.3f, Phi: %13.3f, Pt: %13.3f\n",option,Eta(),Phi(),Pt());
186 void AliAODJet::SetPxPyPzE(Double_t px, Double_t py, Double_t pz, Double_t e){
188 // Set the four Momentum from outside
189 // MomentumVector()->SetPxPyPzE() cannot be used since pointer can be 0x0
193 fMomentum = new TLorentzVector(px,py,pz,e);
196 fMomentum->SetPxPyPzE(px,py,pz,e);
200 void AliAODJet::SetPtEtaPhiM(Double_t pt, Double_t eta, Double_t phi, Double_t m){
202 // Set the four Momentum from outside with pt eta phi and M
203 // MomentumVector()->SetPtPhiEtaM() cannot be used since pointer can be 0x0
207 fMomentum = new TLorentzVector();
209 fMomentum->SetPtEtaPhiM(pt,eta,phi,m);
214 Double_t AliAODJet::DeltaR(const AliVParticle* part) const {
216 // Helper function to calculate the distance between two jets
217 // or a jet and particle
219 Double_t dPhi = Phi() - part->Phi();
220 if(dPhi>TMath::Pi())dPhi = dPhi - 2.*TMath::Pi();
221 if(dPhi<(-1.*TMath::Pi()))dPhi = dPhi + 2.*TMath::Pi();
222 Double_t dEta = Eta() - part->Eta();
223 Double_t dR = TMath::Sqrt(dPhi*dPhi+dEta*dEta);
228 void AliAODJet::AddTrack(TObject *tr) {
229 // Add a track to the list of referenced tracks
230 if (fRefTracks->GetEntries() == 0) {
231 fRefTracks->Delete();
232 new(fRefTracks) TRefArray(TProcessID::GetProcessWithUID(tr));