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):
58 ////-----------------------------------------------------------------------
59 //AliFlowTrackSimpleCuts::AliFlowTrackSimpleCuts(const AliFlowTrackSimpleCuts& someCuts):
61 // fCutPt(someCuts.fCutPt),
62 // fPtMax(someCuts.fPtMax),
63 // fPtMin(someCuts.fPtMin),
64 // fCutEta(someCuts.fCutEta),
65 // fEtaMax(someCuts.fEtaMax),
66 // fEtaMin(someCuts.fEtaMin),
67 // fCutPhi(someCuts.fCutPhi),
68 // fPhiMax(someCuts.fPhiMax),
69 // fPhiMin(someCuts.fPhiMin),
70 // fCutPID(someCuts.fCutPID),
71 // fPID(someCuts.fPID),
72 // fCutCharge(someCuts.fCutCharge),
73 // fCharge(someCuts.fCharge)
78 ////-----------------------------------------------------------------------
79 //AliFlowTrackSimpleCuts& AliFlowTrackSimpleCuts::operator=(const AliFlowTrackSimpleCuts& someCuts)
81 // TNamed::operator=(someCuts);
82 // fCutPt = someCuts.fCutPt;
83 // fPtMax = someCuts.fPtMax;
84 // fPtMin = someCuts.fPtMin;
85 // fCutEta = someCuts.fCutEta;
86 // fEtaMax = someCuts.fEtaMax;
87 // fEtaMin = someCuts.fEtaMin;
88 // fCutPhi = someCuts.fCutPhi;
89 // fPhiMax = someCuts.fPhiMax;
90 // fPhiMin = someCuts.fPhiMin;
91 // fCutPID = someCuts.fCutPID;
92 // fPID = someCuts.fPID;
93 // fCutCharge = someCuts.fCutCharge;
94 // fCharge = someCuts.fCharge;
99 //-----------------------------------------------------------------------
100 Bool_t AliFlowTrackSimpleCuts::IsSelected(TObject* obj, Int_t)
103 TParticle* p = dynamic_cast<TParticle*>(obj);
104 if (p) return PassesCuts(p);
105 AliFlowTrackSimple* ts = dynamic_cast<AliFlowTrackSimple*>(obj);
106 if (ts) return PassesCuts(ts);
107 return kFALSE; //default when passed a wrong type of object
110 //-----------------------------------------------------------------------
111 Bool_t AliFlowTrackSimpleCuts::PassesCuts(const AliFlowTrackSimple *track) const
113 //simple method to check if the simple track passes the simple cuts
114 if(fCutPt) {if (track->Pt() < fPtMin || track->Pt() >= fPtMax ) return kFALSE;}
115 if(fCutEta) {if (track->Eta() < fEtaMin || track->Eta() >= fEtaMax ) return kFALSE;}
116 if(fCutPhi) {if (track->Phi() < fPhiMin || track->Phi() >= fPhiMax ) return kFALSE;}
117 if(fCutCharge) {if (track->Charge() != fCharge) return kFALSE;}
118 if(fCutMass) {if (track->Mass() < fMassMin || track->Mass() >= fMassMax ) return kFALSE;}
119 //if(fCutPID) {if (track->PID() != fPID) return kFALSE;}
123 //-----------------------------------------------------------------------
124 Bool_t AliFlowTrackSimpleCuts::PassesCuts(TParticle* track) const
126 //simple method to check if the simple track passes the simple cuts
127 if(fCutPt) {if (track->Pt() < fPtMin || track->Pt() >= fPtMax ) return kFALSE;}
128 if(fCutEta) {if (track->Eta() < fEtaMin || track->Eta() >= fEtaMax ) return kFALSE;}
129 if(fCutPhi) {if (track->Phi() < fPhiMin || track->Phi() >= fPhiMax ) return kFALSE;}
130 //if(fCutPID) {if (track->GetPdgCode() != fPID) return kFALSE;}
132 //getting the charge from a tparticle is expensive
133 //only do it if neccesary
136 TParticlePDG* ppdg = track->GetPDG();
137 Int_t charge = TMath::Nint(ppdg->Charge()/3.0); //mc particles have charge in units of 1/3e
138 return (charge==fCharge);
142 TParticlePDG* ppdg = track->GetPDG();
143 if (ppdg->Mass() < fMassMin || ppdg->Mass() >= fMassMax )