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6ad0bfa0 | 1 | /************************************************************************** |
2 | * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * | |
3 | * * | |
4 | * Author: The ALICE Off-line Project. * | |
5 | * Contributors are mentioned in the code where appropriate. * | |
6 | * * | |
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 | **************************************************************************/ | |
b2a60966 | 15 | /* $Id$ */ |
6ad0bfa0 | 16 | //_________________________________________________________________________ |
b2a60966 | 17 | // A Reconstructed Particle in PHOS |
2f04ed65 | 18 | // To become a general class of AliRoot ? |
19 | // Why should I put meaningless comments | |
20 | // just to satisfy | |
21 | // the code checker | |
b2a60966 | 22 | // |
23 | //*-- Author: Yves Schutz (SUBATECH) | |
24 | ||
6ad0bfa0 | 25 | |
26 | // --- ROOT system --- | |
27 | ||
28 | // --- Standard library --- | |
29 | ||
ed4205d8 | 30 | |
6ad0bfa0 | 31 | // --- AliRoot header files --- |
6ad0bfa0 | 32 | #include "AliPHOSRecParticle.h" |
8f3968d8 | 33 | #include "AliPHOSGetter.h" |
6ad0bfa0 | 34 | |
0272607d | 35 | //____________________________________________________________________________ |
36 | AliPHOSRecParticle::AliPHOSRecParticle(): fPHOSTrackSegment(0) , fDebug( kFALSE ) | |
37 | { | |
38 | // ctor | |
39 | const Int_t nSPECIES = AliESDtrack::kSPECIES; | |
40 | for(Int_t i = 0; i<nSPECIES ; i++) | |
41 | fPID[i]=0.; | |
42 | } | |
6ad0bfa0 | 43 | |
44 | ||
a73f33f0 | 45 | //____________________________________________________________________________ |
46 | AliPHOSRecParticle::AliPHOSRecParticle(const AliPHOSRecParticle & rp) | |
a8c47ab6 | 47 | : AliPHOSFastRecParticle(rp) |
a73f33f0 | 48 | { |
b2a60966 | 49 | // copy ctor |
50 | ||
83974468 | 51 | fPHOSTrackSegment = rp.fPHOSTrackSegment ; |
51d189f4 | 52 | fDebug = kFALSE ; |
a73f33f0 | 53 | fType = rp.fType ; |
83974468 | 54 | fIndexInList = rp.fIndexInList ; |
b2a60966 | 55 | |
cafda784 | 56 | fPdgCode = rp.fPdgCode; |
57 | fStatusCode = rp.fStatusCode; | |
58 | fMother[0] = rp.fMother[0]; | |
59 | fMother[1] = rp.fMother[1]; | |
60 | fDaughter[0] = rp.fDaughter[0]; | |
61 | fDaughter[1] = rp.fDaughter[1]; | |
62 | fWeight = rp.fWeight; | |
63 | fCalcMass = rp.fCalcMass; | |
64 | fPx = rp.fPx; | |
65 | fPy = rp.fPy; | |
66 | fPz = rp.fPz; | |
67 | fE = rp.fE; | |
68 | fVx = rp.fVx; | |
69 | fVy = rp.fVy; | |
70 | fVz = rp.fVz; | |
71 | fVt = rp.fVt; | |
72 | fPolarTheta = rp.fPolarTheta; | |
73 | fPolarPhi = rp.fPolarPhi; | |
74 | fParticlePDG = rp.fParticlePDG; | |
0272607d | 75 | const Int_t nSPECIES = AliESDtrack::kSPECIES; |
76 | for(Int_t i = 0; i<nSPECIES ; i++) | |
77 | fPID[i]=rp.fPID[i]; | |
b2a60966 | 78 | } |
83974468 | 79 | |
8f3968d8 | 80 | //____________________________________________________________________________ |
81 | const Int_t AliPHOSRecParticle::GetNPrimaries() const | |
88cb7938 | 82 | { |
83 | return -1; | |
a278df55 | 84 | } |
85 | ||
86 | //____________________________________________________________________________ | |
87 | const Int_t AliPHOSRecParticle::GetNPrimariesToRecParticles() const | |
8f3968d8 | 88 | { |
e957fea8 | 89 | // Get the number of primaries at the origine of the RecParticle |
8f3968d8 | 90 | Int_t rv = 0 ; |
88cb7938 | 91 | AliPHOSGetter * gime = AliPHOSGetter::Instance() ; |
92 | Int_t emcRPindex = dynamic_cast<AliPHOSTrackSegment*>(gime->TrackSegments()->At(GetPHOSTSIndex()))->GetEmcIndex(); | |
93 | dynamic_cast<AliPHOSEmcRecPoint*>(gime->EmcRecPoints()->At(emcRPindex))->GetPrimaries(rv) ; | |
8f3968d8 | 94 | return rv ; |
95 | } | |
83974468 | 96 | |
8f3968d8 | 97 | //____________________________________________________________________________ |
98 | const TParticle * AliPHOSRecParticle::GetPrimary(Int_t index) const | |
99 | { | |
e957fea8 | 100 | // Get the list of primary particles at the origine of the RecParticle |
a278df55 | 101 | if ( index > GetNPrimariesToRecParticles() ) { |
51d189f4 | 102 | if (fDebug) |
88cb7938 | 103 | Warning("GetPrimary", "AliPHOSRecParticle::GetPrimary -> %d is larger that the number of primaries %d", |
104 | index, GetNPrimaries()) ; | |
105 | return 0 ; | |
51d189f4 | 106 | } |
88cb7938 | 107 | else { |
108 | Int_t dummy ; | |
109 | AliPHOSGetter * gime = AliPHOSGetter::Instance() ; | |
110 | ||
111 | Int_t emcRPindex = dynamic_cast<AliPHOSTrackSegment*>(gime->TrackSegments()->At(GetPHOSTSIndex()))->GetEmcIndex(); | |
112 | Int_t primaryindex = dynamic_cast<AliPHOSEmcRecPoint*>(gime->EmcRecPoints()->At(emcRPindex))->GetPrimaries(dummy)[index] ; | |
113 | return gime->Primary(primaryindex) ; | |
114 | } | |
fc7e2f43 | 115 | // return 0 ; |
8f3968d8 | 116 | } |
06e774ed | 117 | //____________________________________________________________________________ |
118 | const Double_t * AliPHOSRecParticle::GetPID() | |
119 | { | |
120 | // Get the probability densities that this reconstructed particle | |
121 | // has a type of i: | |
122 | // i particle types | |
123 | // ---------------------- | |
124 | // 0 electron | |
125 | // 1 muon | |
126 | // 2 pi+- | |
127 | // 3 K+- | |
128 | // 4 p/pbar | |
129 | // 5 photon | |
130 | // 6 pi0 at high pt | |
131 | // 7 neutron | |
132 | // 8 K0L | |
0272607d | 133 | |
134 | ||
06e774ed | 135 | const Int_t nSPECIES = AliESDtrack::kSPECIES; |
136 | if (IsElectron() ) fPID[0] = 1.0; | |
137 | if (IsChargedHadron()) { | |
138 | fPID[1] = 0.25; | |
139 | fPID[2] = 0.25; | |
140 | fPID[3] = 0.25; | |
141 | fPID[4] = 0.25; | |
142 | } | |
143 | if (IsFastChargedHadron()) { | |
144 | fPID[1] = 0.33; | |
145 | fPID[2] = 0.33; | |
146 | fPID[3] = 0.33; | |
147 | fPID[4] = 0.00; | |
148 | } | |
149 | if (IsSlowChargedHadron()) { | |
150 | fPID[1] = 0.00; | |
151 | fPID[2] = 0.00; | |
152 | fPID[3] = 0.00; | |
153 | fPID[4] = 1.00; | |
154 | } | |
155 | ||
156 | if (IsPhoton() || IsHardPhoton()) fPID[nSPECIES] =1.0; | |
157 | if (IsHardPi0()) fPID[nSPECIES+1]=1.0; | |
158 | if (IsFastNeutralHadron()) fPID[nSPECIES+2]=1.0; | |
159 | if (IsSlowNeutralHadron()) fPID[nSPECIES+3]=1.0; | |
160 | ||
161 | return fPID; | |
162 | } |