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a83bd548 | 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 | **************************************************************************/ | |
15 | /* $Id$ */ | |
16 | //_________________________________________________________________________ | |
17 | // A Reconstructed Particle in EMCAL | |
18 | // To become a general class of AliRoot ? | |
19 | // Why should I put meaningless comments | |
20 | // just to satisfy | |
21 | // the code checker | |
22 | // | |
23 | //*-- Author: Yves Schutz (SUBATECH) | |
24 | ||
25 | ||
26 | // --- ROOT system --- | |
27 | ||
28 | // --- Standard library --- | |
29 | ||
30 | ||
31 | // --- AliRoot header files --- | |
a83bd548 | 32 | #include "AliEMCALRecParticle.h" |
33 | #include "AliEMCALGetter.h" | |
34 | #include "TParticle.h" | |
35 | ||
36 | ClassImp(AliEMCALRecParticle) | |
37 | ||
38 | ||
6d2f044f | 39 | //____________________________________________________________________________ |
40 | AliEMCALRecParticle::AliEMCALRecParticle(): fEMCALRecPoint(0), fDebug(kFALSE) | |
41 | { | |
42 | // ctor | |
304864ab | 43 | const Int_t nSPECIES = AliPID::kSPECIESN; |
6d2f044f | 44 | for(Int_t i = 0; i<nSPECIES ; i++) |
45 | fPID[i]=0.; | |
46 | } | |
a83bd548 | 47 | //____________________________________________________________________________ |
9e5d2067 | 48 | AliEMCALRecParticle::AliEMCALRecParticle(const AliEMCALRecParticle & rp) |
49 | : AliEMCALFastRecParticle(rp) | |
a83bd548 | 50 | { |
51 | // copy ctor | |
52 | ||
ab091cd5 | 53 | fEMCALRecPoint = rp.fEMCALRecPoint ; |
a83bd548 | 54 | fDebug = kFALSE ; |
55 | fType = rp.fType ; | |
56 | fIndexInList = rp.fIndexInList ; | |
57 | ||
58 | fPdgCode = rp.fPdgCode; | |
59 | fStatusCode = rp.fStatusCode; | |
60 | fMother[0] = rp.fMother[0]; | |
61 | fMother[1] = rp.fMother[1]; | |
62 | fDaughter[0] = rp.fDaughter[0]; | |
63 | fDaughter[1] = rp.fDaughter[1]; | |
64 | fWeight = rp.fWeight; | |
65 | fCalcMass = rp.fCalcMass; | |
66 | fPx = rp.fPx; | |
67 | fPy = rp.fPy; | |
68 | fPz = rp.fPz; | |
69 | fE = rp.fE; | |
70 | fVx = rp.fVx; | |
71 | fVy = rp.fVy; | |
72 | fVz = rp.fVz; | |
73 | fVt = rp.fVt; | |
74 | fPolarTheta = rp.fPolarTheta; | |
75 | fPolarPhi = rp.fPolarPhi; | |
76 | fParticlePDG = rp.fParticlePDG; | |
304864ab | 77 | const Int_t nSPECIES = AliPID::kSPECIESN; |
6d2f044f | 78 | for(Int_t i = 0; i<nSPECIES ; i++) |
79 | fPID[i]=rp.fPID[i]; | |
a83bd548 | 80 | } |
81 | ||
82 | //____________________________________________________________________________ | |
17323043 | 83 | Int_t AliEMCALRecParticle::GetNPrimaries() const |
a83bd548 | 84 | { |
88cb7938 | 85 | return -1; |
a83bd548 | 86 | } |
87 | ||
88 | //____________________________________________________________________________ | |
17323043 | 89 | Int_t AliEMCALRecParticle::GetNPrimariesToRecParticles() const |
a83bd548 | 90 | { |
d64c959b | 91 | // Returns the number of primaries at the origine of a RecParticle |
a83bd548 | 92 | Int_t rv = 0 ; |
88cb7938 | 93 | AliEMCALGetter * gime = AliEMCALGetter::Instance() ; |
70a93198 | 94 | dynamic_cast<AliEMCALRecPoint*>(gime->ECARecPoints()->At(GetEMCALRPIndex()))->GetPrimaries(rv) ; |
95 | ||
88cb7938 | 96 | return rv ; |
a83bd548 | 97 | } |
98 | ||
99 | //____________________________________________________________________________ | |
100 | const TParticle * AliEMCALRecParticle::GetPrimary(Int_t index) const | |
101 | { | |
d64c959b | 102 | // Getts the list of primary particles at the origine of the RecParticle |
a83bd548 | 103 | if ( index > GetNPrimariesToRecParticles() ) { |
104 | if (fDebug) | |
88cb7938 | 105 | Warning("GetPrimary", "AliEMCALRecParticle::GetPrimary -> %d is larger that the number of primaries %d", |
106 | index, GetNPrimaries()) ; | |
107 | return 0 ; | |
a83bd548 | 108 | } |
0798b21e | 109 | Int_t dummy ; |
110 | AliEMCALGetter * gime = AliEMCALGetter::Instance() ; | |
88cb7938 | 111 | |
70a93198 | 112 | Int_t primaryindex = dynamic_cast<AliEMCALRecPoint*>(gime->ECARecPoints()->At(GetEMCALRPIndex()))->GetPrimaries(dummy)[index] ; |
113 | ||
0798b21e | 114 | return gime->Primary(primaryindex) ; |
a83bd548 | 115 | } |
116 | ||
6d2f044f | 117 | //____________________________________________________________________________ |
118 | const Double_t * AliEMCALRecParticle::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 | |
133 | ||
134 | ||
135 | if (IsElectron() ) fPID[0] = 1.0; | |
136 | if (IsChargedHadron()) { | |
137 | fPID[1] = 0.25; | |
138 | fPID[2] = 0.25; | |
139 | fPID[3] = 0.25; | |
140 | fPID[4] = 0.25; | |
141 | } | |
142 | if (IsFastChargedHadron()) { | |
143 | fPID[1] = 0.33; | |
144 | fPID[2] = 0.33; | |
145 | fPID[3] = 0.33; | |
146 | fPID[4] = 0.00; | |
147 | } | |
148 | if (IsSlowChargedHadron()) { | |
149 | fPID[1] = 0.00; | |
150 | fPID[2] = 0.00; | |
151 | fPID[3] = 0.00; | |
152 | fPID[4] = 1.00; | |
153 | } | |
154 | ||
155 | if (IsPhoton() || IsHardPhoton()) fPID[5] = 1.0; | |
156 | if (IsHardPi0()) fPID[6] = 1.0; | |
157 | if (IsFastNeutralHadron()) fPID[7] = 1.0; | |
158 | if (IsSlowNeutralHadron()) fPID[8] = 1.0; | |
159 | ||
160 | if (IsEleCon()) fPID[9] = 1.0; | |
161 | return fPID; | |
162 | } |