]>
Commit | Line | Data |
---|---|---|
85c60a8e | 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 | ||
16 | /* $Id$ */ | |
17 | /* $Log $ */ | |
18 | ||
19 | //----------------------------------------------------------------- | |
20 | // Implementation of the ESD Calorimeter cluster class | |
21 | // ESD = Event Summary Data | |
22 | // This is the class to deal with during the phisics analysis of data | |
23 | // | |
24 | // J.L. Klay (LLNL) | |
25 | //----------------------------------------------------------------- | |
26 | ||
bab0b5f0 | 27 | #include <TLorentzVector.h> |
85c60a8e | 28 | #include "AliESDCaloCluster.h" |
29 | ||
30 | ClassImp(AliESDCaloCluster) | |
31 | ||
32 | //_______________________________________________________________________ | |
33 | AliESDCaloCluster::AliESDCaloCluster() : | |
34 | fID(0), | |
35 | fClusterType(-1), | |
36 | fEMCALCluster(kFALSE), | |
fe12e09c | 37 | fPHOSCluster(kFALSE), |
45636e1b | 38 | fTrackMatched(kFALSE), |
85c60a8e | 39 | fEnergy(-1), |
40 | fDispersion(-1), | |
41 | fChi2(-1), | |
e3e93796 | 42 | fPrimaryIndex(-1), |
43 | fM20(0), | |
44 | fM02(0), | |
45 | fM11(0), | |
46 | fNExMax(0), | |
47 | fEmcCpvDistance(9999), | |
45636e1b | 48 | fDistToBadChannel(9999), |
64df000d | 49 | fNumberOfPrimaries(-1), |
50 | fListOfPrimaries(0x0), | |
85c60a8e | 51 | fNumberOfDigits(0), |
fe12e09c | 52 | fDigitAmplitude(0x0), |
53 | fDigitTime(0x0), | |
54 | fDigitIndex(0x0) | |
85c60a8e | 55 | { |
56 | // | |
57 | // The default ESD constructor | |
58 | // | |
59 | fGlobalPos[0] = fGlobalPos[1] = fGlobalPos[2] = 0.; | |
60 | for(Int_t i=0; i<AliPID::kSPECIESN; i++) fPID[i] = 0.; | |
61 | } | |
62 | ||
63 | //_______________________________________________________________________ | |
64 | AliESDCaloCluster::AliESDCaloCluster(const AliESDCaloCluster& clus) : | |
65 | TObject(clus), | |
66 | fID(clus.fID), | |
67 | fClusterType(clus.fClusterType), | |
68 | fEMCALCluster(clus.fEMCALCluster), | |
fe12e09c | 69 | fPHOSCluster(clus.fPHOSCluster), |
45636e1b | 70 | fTrackMatched(clus.fTrackMatched), |
85c60a8e | 71 | fEnergy(clus.fEnergy), |
72 | fDispersion(clus.fDispersion), | |
73 | fChi2(clus.fChi2), | |
e3e93796 | 74 | fPrimaryIndex(clus.fPrimaryIndex), |
75 | fM20(clus.fM20), | |
76 | fM02(clus.fM02), | |
e0af7ed2 | 77 | fM11(clus.fM11), |
e3e93796 | 78 | fNExMax(clus.fNExMax), |
79 | fEmcCpvDistance(clus.fEmcCpvDistance), | |
45636e1b | 80 | fDistToBadChannel(clus.fDistToBadChannel), |
64df000d | 81 | fNumberOfPrimaries(clus.fNumberOfPrimaries), |
82 | fListOfPrimaries(0x0), | |
fe12e09c | 83 | fNumberOfDigits(clus.fNumberOfDigits), |
84 | fDigitAmplitude(0x0), | |
85 | fDigitTime(0x0), | |
86 | fDigitIndex(0x0) | |
85c60a8e | 87 | { |
88 | // | |
89 | // The copy constructor | |
90 | // | |
91 | fGlobalPos[0] = clus.fGlobalPos[0]; | |
92 | fGlobalPos[1] = clus.fGlobalPos[1]; | |
93 | fGlobalPos[2] = clus.fGlobalPos[2]; | |
94 | ||
95 | for(Int_t i=0; i<AliPID::kSPECIESN; i++) fPID[i] = clus.fPID[i]; | |
96 | ||
e0af7ed2 | 97 | if (clus.fNumberOfDigits > 0) { |
98 | if (clus.fDigitAmplitude) { | |
99 | fDigitAmplitude = new UShort_t[clus.fNumberOfDigits]; | |
100 | for (Int_t i=0; i<clus.fNumberOfDigits; i++) | |
101 | fDigitAmplitude[i]=clus.fDigitAmplitude[i]; | |
102 | } | |
103 | if (clus.fDigitTime) { | |
104 | fDigitTime = new UShort_t[clus.fNumberOfDigits]; | |
105 | for (Int_t i=0; i<clus.fNumberOfDigits; i++) | |
106 | fDigitTime[i]=clus.fDigitTime[i]; | |
107 | } | |
108 | if (clus.fDigitIndex) { | |
109 | fDigitIndex = new UShort_t[clus.fNumberOfDigits]; | |
110 | for (Int_t i=0; i<clus.fNumberOfDigits; i++) | |
111 | fDigitIndex[i]=clus.fDigitIndex[i]; | |
112 | } | |
64df000d | 113 | if (clus.fListOfPrimaries) { |
114 | fListOfPrimaries = new UShort_t[clus.fNumberOfPrimaries]; | |
115 | for (Int_t i=0; i<clus.fNumberOfPrimaries; i++) | |
116 | fListOfPrimaries[i]=clus.fListOfPrimaries[i]; | |
117 | } | |
e0af7ed2 | 118 | } |
85c60a8e | 119 | } |
120 | ||
fe12e09c | 121 | //_______________________________________________________________________ |
122 | AliESDCaloCluster &AliESDCaloCluster::operator=(const AliESDCaloCluster& source) | |
123 | { | |
124 | // assignment operator | |
125 | ||
126 | if(&source == this) return *this; | |
127 | ||
128 | fID = source.fID; | |
129 | fClusterType = source.fClusterType; | |
130 | fEMCALCluster = source.fEMCALCluster; | |
131 | fPHOSCluster = source.fPHOSCluster; | |
45636e1b | 132 | fTrackMatched = source.fTrackMatched; |
fe12e09c | 133 | fEnergy = source.fEnergy; |
134 | fDispersion = source.fDispersion; | |
135 | fChi2 = source.fChi2; | |
136 | fPrimaryIndex = source.fPrimaryIndex; | |
137 | fM20 = source.fM20; | |
138 | fM02 = source.fM02; | |
139 | fM11 = source.fM11; | |
140 | fNExMax = source.fNExMax; | |
141 | fEmcCpvDistance = source.fEmcCpvDistance; | |
45636e1b | 142 | fDistToBadChannel = source.fDistToBadChannel ; |
64df000d | 143 | fNumberOfPrimaries = source.fNumberOfPrimaries; |
144 | delete fListOfPrimaries; fListOfPrimaries=0x0; | |
145 | ||
fe12e09c | 146 | fNumberOfDigits = source.fNumberOfDigits; |
147 | delete fDigitAmplitude; fDigitAmplitude=0x0; | |
148 | delete fDigitTime; fDigitTime = 0x0; | |
149 | delete fDigitIndex; fDigitIndex = 0x0; | |
150 | ||
151 | fGlobalPos[0] = source.fGlobalPos[0]; | |
152 | fGlobalPos[1] = source.fGlobalPos[1]; | |
153 | fGlobalPos[2] = source.fGlobalPos[2]; | |
154 | ||
155 | for(Int_t i=0; i<AliPID::kSPECIESN; i++) fPID[i] = source.fPID[i]; | |
156 | ||
157 | if (source.fNumberOfDigits > 0) { | |
158 | if (source.fDigitAmplitude) { | |
159 | fDigitAmplitude = new UShort_t[source.fNumberOfDigits]; | |
160 | for (Int_t i=0; i<source.fNumberOfDigits; i++) | |
161 | fDigitAmplitude[i]=source.fDigitAmplitude[i]; | |
162 | } | |
163 | if (source.fDigitTime) { | |
164 | fDigitTime = new UShort_t[source.fNumberOfDigits]; | |
165 | for (Int_t i=0; i<source.fNumberOfDigits; i++) | |
166 | fDigitTime[i]=source.fDigitTime[i]; | |
167 | } | |
168 | if (source.fDigitIndex) { | |
169 | fDigitIndex = new UShort_t[source.fNumberOfDigits]; | |
170 | for (Int_t i=0; i<source.fNumberOfDigits; i++) | |
171 | fDigitIndex[i]=source.fDigitIndex[i]; | |
172 | } | |
64df000d | 173 | if (source.fListOfPrimaries) { |
174 | fListOfPrimaries = new UShort_t[source.fNumberOfPrimaries]; | |
175 | for (Int_t i=0; i<source.fNumberOfPrimaries; i++) | |
176 | fListOfPrimaries[i]=source.fListOfPrimaries[i]; | |
177 | } | |
fe12e09c | 178 | } |
179 | ||
180 | return *this; | |
181 | ||
182 | } | |
183 | ||
85c60a8e | 184 | |
185 | //_______________________________________________________________________ | |
186 | AliESDCaloCluster::~AliESDCaloCluster(){ | |
187 | // | |
188 | // This is destructor according Coding Conventrions | |
189 | // | |
e0af7ed2 | 190 | // AliESDCaloCluster is the owner of the arrays |
191 | // even if they are created outside | |
64df000d | 192 | delete[] fListOfPrimaries; |
e0af7ed2 | 193 | delete[] fDigitAmplitude; |
194 | delete[] fDigitTime; | |
195 | delete[] fDigitIndex; | |
196 | ||
85c60a8e | 197 | } |
198 | ||
199 | //_______________________________________________________________________ | |
200 | void AliESDCaloCluster::SetPid(const Float_t *p) { | |
201 | // Sets the probability of each particle type | |
202 | // Copied from AliESDtrack SetPIDValues | |
203 | // This function copies "n" PID weights from "scr" to "dest" | |
204 | // and normalizes their sum to 1 thus producing conditional | |
205 | // probabilities. | |
206 | // The negative weights are set to 0. | |
207 | // In case all the weights are non-positive they are replaced by | |
208 | // uniform probabilities | |
209 | ||
210 | Int_t n = AliPID::kSPECIESN; | |
211 | ||
212 | Float_t uniform = 1./(Float_t)n; | |
213 | ||
214 | Float_t sum = 0; | |
215 | for (Int_t i=0; i<n; i++) | |
216 | if (p[i]>=0) { | |
217 | sum+=p[i]; | |
218 | fPID[i] = p[i]; | |
219 | } | |
220 | else { | |
221 | fPID[i] = 0; | |
222 | } | |
223 | ||
224 | if(sum>0) | |
225 | for (Int_t i=0; i<n; i++) fPID[i] /= sum; | |
226 | else | |
227 | for (Int_t i=0; i<n; i++) fPID[i] = uniform; | |
228 | ||
229 | } | |
bab0b5f0 | 230 | |
231 | //_______________________________________________________________________ | |
232 | void AliESDCaloCluster::GetMomentum(TLorentzVector& p) { | |
233 | // Returns TLorentzVector with momentum of the cluster. Only valid for clusters | |
234 | // identified as photons or pi0 (overlapped gamma) produced on the vertex | |
235 | ||
236 | Double_t r = TMath::Sqrt(fGlobalPos[0]*fGlobalPos[0]+ | |
237 | fGlobalPos[1]*fGlobalPos[1]+ | |
238 | fGlobalPos[2]*fGlobalPos[2] ) ; | |
239 | ||
240 | p.SetPxPyPzE( fEnergy*fGlobalPos[0]/r, fEnergy*fGlobalPos[1]/r, fEnergy*fGlobalPos[2]/r, fEnergy) ; | |
241 | ||
242 | } |