1 #ifndef ALIUNICOREVENTALICEESD_H
2 #define ALIUNICOREVENTALICEESD_H
4 /* Copyright(c) 1998-2048, ALICE Experiment at CERN, All rights reserved. *
5 * See cxx source for full Copyright notice */
8 // Author: Dariusz Miskowiec <mailto:d.miskowiec@gsi.de> 2008
12 #include "AliESDEvent.h"
13 #include "AliUnicorEvent.h"
15 //=============================================================================
16 class AliUnicorEventAliceESD : public AliUnicorEvent {
19 AliUnicorEventAliceESD(AliESDEvent *esd=0);
20 AliUnicorEventAliceESD(const AliUnicorEventAliceESD &ev): AliUnicorEvent(ev), fESD(ev.fESD) {}
21 virtual ~AliUnicorEventAliceESD();
22 AliUnicorEventAliceESD &operator=(const AliUnicorEventAliceESD &source) {fESD = source.fESD; return *this;}
23 Double_t Etamin() const {return -0.75;}
24 Double_t Etamax() const {return 0.75;}
25 void AttachTree(TTree *tr) {fESD->ReadFromTree(tr);}
27 Double_t Centrality() const {return 0.9999*exp(-NParticles()/20.0);} // OK for pp
28 void RP(Double_t &qx, Double_t &qy) const {AliUnicorEvent::RP(qx,qy,2);}
29 Double_t RPphi() const {Double_t qx,qy; RP(qx,qy); return atan2(qy,qx);}
30 Double_t Zver() const {return fESD->GetPrimaryVertexTPC()->GetZv()/10.0;}
31 Int_t NParticles() const {return fESD->GetNumberOfTracks();}
33 Bool_t ParticleGood(Int_t i, Int_t pidi=0) const;
34 Double_t ParticleP(Int_t i) const {return fESD->GetTrack(i)->GetTPCInnerParam()->P();}
35 Double_t ParticleTheta(Int_t i) const {return fESD->GetTrack(i)->GetTPCInnerParam()->Theta();}
36 Double_t ParticlePhi(Int_t i) const {return TVector2::Phi_mpi_pi(fESD->GetTrack(i)->GetTPCInnerParam()->Phi());}
37 Double_t ParticleDedx(Int_t i) const {return fESD->GetTrack(i)->GetTPCsignal()/50.0;}
38 Bool_t PairGood(Double_t p0, Double_t the0, Double_t phi0,
39 Double_t p1, Double_t the1, Double_t phi1) const;
40 // alternative: GetConstrainedParam, GetInnerParam, GetTPCInnerParam
41 void SetESD(AliESDEvent * const esd) {fESD = esd;}
42 AliESDEvent *GetESD() const {return fESD;}
45 AliESDEvent *fESD; //! pointer to the actual source of data
47 ClassDef(AliUnicorEventAliceESD,0)
50 //=============================================================================