Corrected protection.
[u/mrichter/AliRoot.git] / STEER / AliAODPhoton.h
CommitLineData
aea5a18f 1#ifndef AliAODPhoton_H
2#define AliAODPhoton_H
3/* Copyright(c) 1998-2007, ALICE Experiment at CERN, All rights reserved. *
4 * See cxx source for full Copyright notice */
5
6/* $Id$ */
7
8//-------------------------------------------------------------------------
9// AOD photon class
10// Author: Yves Schutz, CERN
11//-------------------------------------------------------------------------
12
13#include <TLorentzVector.h>
ff7c57dd 14#include "AliVParticle.h"
aea5a18f 15#include "AliAODVertex.h"
16
17
ff7c57dd 18class AliAODPhoton : public AliVParticle {
aea5a18f 19
20 public:
21 AliAODPhoton();
22 AliAODPhoton(Double_t px, Double_t py, Double_t pz, Double_t e);
23 AliAODPhoton(TLorentzVector & p);
24 virtual ~AliAODPhoton();
25 AliAODPhoton(const AliAODPhoton& photon);
26 AliAODPhoton& operator=(const AliAODPhoton& photon);
ff7c57dd 27// AliVParticle methods
aea5a18f 28 virtual Double_t Px() const { return fMomentum->Px(); }
29 virtual Double_t Py() const { return fMomentum->Py(); }
30 virtual Double_t Pz() const { return fMomentum->Pz(); }
31 virtual Double_t Pt() const { return fMomentum->Pt(); }
32 virtual Double_t P() const { return fMomentum->P(); }
fca68485 33 virtual Bool_t PxPyPz(Double_t p[3]) const { p[0] = Px(); p[1] = Py(); p[2] = Pz(); return kTRUE; }
aea5a18f 34 virtual Double_t OneOverPt() const { return 1. / fMomentum->Pt(); }
4124c6c5 35 virtual Double_t Phi() const;
aea5a18f 36 virtual Double_t Theta() const { return fMomentum->Theta(); }
37 virtual Double_t E() const { return fMomentum->E(); }
38 virtual Double_t M() const { return fMomentum->M(); }
39 virtual Double_t Eta() const { return fMomentum->Eta(); }
40 virtual Double_t Y() const { return fMomentum->Rapidity();}
fca68485 41 virtual Double_t Xv() const {return -999.;} // put reasonable values here
42 virtual Double_t Yv() const {return -999.;} //
43 virtual Double_t Zv() const {return -999.;} //
44 virtual Bool_t XvYvZv(Double_t x[3]) const { x[0] = Xv(); x[1] = Yv(); x[2] = Zv(); return kTRUE; }
45 //
46
aea5a18f 47 virtual void Print(Option_t* /*option*/) const;
48
49// Dummy
6a8e543a 50 virtual Short_t Charge() const { return 0;}
51 virtual const Double_t* PID() const { return NULL;}
52 virtual Int_t GetLabel() const { return -1;}
53 // Dummy
54 virtual Int_t PdgCode() const {return 0;}
55
aea5a18f 56//
57
58
59 private:
60 TLorentzVector* fMomentum; // Photon 4-momentum vector
61 ClassDef(AliAODPhoton,1);
62};
63
4124c6c5 64inline Double_t AliAODPhoton::Phi() const
65{
66 // Return phi
67 Double_t phi = fMomentum->Phi();
68 if (phi < 0.) phi += 2. * TMath::Pi();
69 return phi;
70}
71
aea5a18f 72#endif