1 /**************************************************************************
2 * Copyright(c) 1998-1999, 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 // AliFlowTrackSimpleCuts:
19 // A simple track cut class to the the AliFlowTrackSimple
20 // for basic kinematic cuts
22 // author: N. van der Kolk (kolk@nikhef.nl)
23 // mods: Mikolaj Krzewicki (mikolaj.krzewicki@cern.ch)
28 #include "TParticle.h"
29 #include "TParticlePDG.h"
30 #include "AliFlowTrackSimpleCuts.h"
31 #include "AliFlowTrackSimple.h"
33 ClassImp(AliFlowTrackSimpleCuts)
35 //-----------------------------------------------------------------------
36 AliFlowTrackSimpleCuts::AliFlowTrackSimpleCuts(const char* name):
54 fNumberOfPOIclasses(1)
59 ////-----------------------------------------------------------------------
60 //AliFlowTrackSimpleCuts::AliFlowTrackSimpleCuts(const AliFlowTrackSimpleCuts& someCuts):
62 // fCutPt(someCuts.fCutPt),
63 // fPtMax(someCuts.fPtMax),
64 // fPtMin(someCuts.fPtMin),
65 // fCutEta(someCuts.fCutEta),
66 // fEtaMax(someCuts.fEtaMax),
67 // fEtaMin(someCuts.fEtaMin),
68 // fCutPhi(someCuts.fCutPhi),
69 // fPhiMax(someCuts.fPhiMax),
70 // fPhiMin(someCuts.fPhiMin),
71 // fCutPID(someCuts.fCutPID),
72 // fPID(someCuts.fPID),
73 // fCutCharge(someCuts.fCutCharge),
74 // fCharge(someCuts.fCharge)
79 ////-----------------------------------------------------------------------
80 //AliFlowTrackSimpleCuts& AliFlowTrackSimpleCuts::operator=(const AliFlowTrackSimpleCuts& someCuts)
82 // TNamed::operator=(someCuts);
83 // fCutPt = someCuts.fCutPt;
84 // fPtMax = someCuts.fPtMax;
85 // fPtMin = someCuts.fPtMin;
86 // fCutEta = someCuts.fCutEta;
87 // fEtaMax = someCuts.fEtaMax;
88 // fEtaMin = someCuts.fEtaMin;
89 // fCutPhi = someCuts.fCutPhi;
90 // fPhiMax = someCuts.fPhiMax;
91 // fPhiMin = someCuts.fPhiMin;
92 // fCutPID = someCuts.fCutPID;
93 // fPID = someCuts.fPID;
94 // fCutCharge = someCuts.fCutCharge;
95 // fCharge = someCuts.fCharge;
100 //-----------------------------------------------------------------------
101 Int_t AliFlowTrackSimpleCuts::IsSelected(TObject* obj, Int_t)
104 TParticle* p = dynamic_cast<TParticle*>(obj);
105 if (p) return PassesCuts(p);
106 AliFlowTrackSimple* ts = dynamic_cast<AliFlowTrackSimple*>(obj);
107 if (ts) return PassesCuts(ts);
108 return 0; //default when passed a wrong type of object
111 //-----------------------------------------------------------------------
112 Int_t AliFlowTrackSimpleCuts::PassesCuts(const AliFlowTrackSimple *track) const
114 //simple method to check if the simple track passes the simple cuts
115 if(fCutPt) {if (track->Pt() < fPtMin || track->Pt() >= fPtMax ) return 0;}
116 if(fCutEta) {if (track->Eta() < fEtaMin || track->Eta() >= fEtaMax ) return 0;}
117 if(fCutPhi) {if (track->Phi() < fPhiMin || track->Phi() >= fPhiMax ) return 0;}
118 if(fCutCharge) {if (track->Charge() != fCharge) return 0;}
119 if(fCutMass) {if (track->Mass() < fMassMin || track->Mass() >= fMassMax ) return 0;}
120 //if(fCutPID) {if (track->PID() != fPID) return kFALSE;}
124 //-----------------------------------------------------------------------
125 Int_t AliFlowTrackSimpleCuts::PassesCuts(TParticle* track) const
127 //simple method to check if the simple track passes the simple cuts
128 if(fCutPt) {if (track->Pt() < fPtMin || track->Pt() >= fPtMax ) return 0;}
129 if(fCutEta) {if (track->Eta() < fEtaMin || track->Eta() >= fEtaMax ) return 0;}
130 if(fCutPhi) {if (track->Phi() < fPhiMin || track->Phi() >= fPhiMax ) return 0;}
131 //if(fCutPID) {if (track->GetPdgCode() != fPID) return 0;}
133 //getting the charge from a tparticle is expensive
134 //only do it if neccesary
137 TParticlePDG* ppdg = track->GetPDG();
138 Int_t charge = TMath::Nint(ppdg->Charge()/3.0); //mc particles have charge in units of 1/3e
139 if (charge==fCharge) return 1;
143 TParticlePDG* ppdg = track->GetPDG();
144 if (ppdg->Mass() < fMassMin || ppdg->Mass() >= fMassMax )