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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() : | |
c8fe2783 | 34 | AliVCluster(), |
5efdec54 | 35 | fTracksMatched(0x0), |
36 | fLabels(0x0), | |
e649177a | 37 | fNCells(0), |
38 | fCellsAbsId(0x0), | |
39 | fCellsAmpFraction(0x0), | |
8ada0ffe | 40 | fEnergy(0), |
41 | fDispersion(0), | |
42 | fChi2(0), | |
43 | fM20(0), | |
44 | fM02(0), | |
8ada0ffe | 45 | fEmcCpvDistance(1024), |
f1cedef3 | 46 | fTrackDx(1024),fTrackDz(1024), |
8ada0ffe | 47 | fDistToBadChannel(1024), |
48 | fID(0), | |
49 | fNExMax(0), | |
7eff06f2 | 50 | fClusterType(kUndef), |
51 | fTOF(0.), | |
52 | fMCEnergyFraction(0.) | |
85c60a8e | 53 | { |
54 | // | |
55 | // The default ESD constructor | |
56 | // | |
57 | fGlobalPos[0] = fGlobalPos[1] = fGlobalPos[2] = 0.; | |
00a38d07 | 58 | for(Int_t i=0; i<AliPID::kSPECIESCN; i++) fPID[i] = 0.; |
85c60a8e | 59 | } |
60 | ||
61 | //_______________________________________________________________________ | |
62 | AliESDCaloCluster::AliESDCaloCluster(const AliESDCaloCluster& clus) : | |
c8fe2783 | 63 | AliVCluster(clus), |
4dd59c4a | 64 | fTracksMatched(clus.fTracksMatched?new TArrayI(*clus.fTracksMatched):0x0), |
65 | fLabels(clus.fLabels?new TArrayI(*clus.fLabels):0x0), | |
e649177a | 66 | fNCells(clus.fNCells), |
67 | fCellsAbsId(), | |
68 | fCellsAmpFraction(), | |
85c60a8e | 69 | fEnergy(clus.fEnergy), |
70 | fDispersion(clus.fDispersion), | |
71 | fChi2(clus.fChi2), | |
e3e93796 | 72 | fM20(clus.fM20), |
73 | fM02(clus.fM02), | |
e3e93796 | 74 | fEmcCpvDistance(clus.fEmcCpvDistance), |
f1cedef3 | 75 | fTrackDx(clus.fTrackDx), |
76 | fTrackDz(clus.fTrackDz), | |
45636e1b | 77 | fDistToBadChannel(clus.fDistToBadChannel), |
8ada0ffe | 78 | fID(clus.fID), |
79 | fNExMax(clus.fNExMax), | |
78902954 | 80 | fClusterType(clus.fClusterType), |
7eff06f2 | 81 | fTOF(clus.fTOF), |
82 | fMCEnergyFraction(0.) | |
85c60a8e | 83 | { |
84 | // | |
85 | // The copy constructor | |
86 | // | |
87 | fGlobalPos[0] = clus.fGlobalPos[0]; | |
88 | fGlobalPos[1] = clus.fGlobalPos[1]; | |
89 | fGlobalPos[2] = clus.fGlobalPos[2]; | |
90 | ||
00a38d07 | 91 | for(Int_t i=0; i<AliPID::kSPECIESCN; i++) fPID[i] = clus.fPID[i]; |
85c60a8e | 92 | |
e649177a | 93 | if (clus.fNCells > 0) { |
94 | ||
95 | if(clus.fCellsAbsId){ | |
96 | fCellsAbsId = new UShort_t[clus.fNCells]; | |
97 | for (Int_t i=0; i<clus.fNCells; i++) | |
98 | fCellsAbsId[i]=clus.fCellsAbsId[i]; | |
99 | } | |
100 | ||
101 | if(clus.fCellsAmpFraction){ | |
102 | fCellsAmpFraction = new Double32_t[clus.fNCells]; | |
103 | for (Int_t i=0; i<clus.fNCells; i++) | |
104 | fCellsAmpFraction[i]=clus.fCellsAmpFraction[i]; | |
105 | } | |
106 | ||
107 | } | |
108 | ||
85c60a8e | 109 | } |
110 | ||
fe12e09c | 111 | //_______________________________________________________________________ |
112 | AliESDCaloCluster &AliESDCaloCluster::operator=(const AliESDCaloCluster& source) | |
113 | { | |
114 | // assignment operator | |
115 | ||
116 | if(&source == this) return *this; | |
c8fe2783 | 117 | AliVCluster::operator=(source); |
8ada0ffe | 118 | fGlobalPos[0] = source.fGlobalPos[0]; |
119 | fGlobalPos[1] = source.fGlobalPos[1]; | |
120 | fGlobalPos[2] = source.fGlobalPos[2]; | |
121 | ||
fe12e09c | 122 | fEnergy = source.fEnergy; |
123 | fDispersion = source.fDispersion; | |
124 | fChi2 = source.fChi2; | |
fe12e09c | 125 | fM20 = source.fM20; |
126 | fM02 = source.fM02; | |
fe12e09c | 127 | fEmcCpvDistance = source.fEmcCpvDistance; |
f1cedef3 | 128 | fTrackDx= source.fTrackDx ; |
129 | fTrackDz= source.fTrackDz ; | |
45636e1b | 130 | fDistToBadChannel = source.fDistToBadChannel ; |
00a38d07 | 131 | for(Int_t i=0; i<AliPID::kSPECIESCN; i++) fPID[i] = source.fPID[i]; |
8ada0ffe | 132 | fID = source.fID; |
fe12e09c | 133 | |
732a24fe | 134 | fNCells= source.fNCells; |
135 | ||
e649177a | 136 | if (source.fNCells > 0) { |
e649177a | 137 | if(source.fCellsAbsId){ |
85005d58 | 138 | if(fNCells != source.fNCells||!fCellsAbsId){ |
139 | if(fCellsAbsId)delete [] fCellsAbsId; | |
732a24fe | 140 | fCellsAbsId = new UShort_t[source.fNCells]; |
141 | } | |
85005d58 | 142 | for (Int_t i=0; i<source.fNCells; i++){ |
e649177a | 143 | fCellsAbsId[i]=source.fCellsAbsId[i]; |
85005d58 | 144 | } |
e649177a | 145 | } |
146 | ||
147 | if(source.fCellsAmpFraction){ | |
85005d58 | 148 | if(fNCells != source.fNCells||!fCellsAmpFraction){ |
149 | if(fCellsAmpFraction) delete [] fCellsAmpFraction; | |
732a24fe | 150 | fCellsAmpFraction = new Double32_t[source.fNCells]; |
151 | } | |
e649177a | 152 | for (Int_t i=0; i<source.fNCells; i++) |
153 | fCellsAmpFraction[i]=source.fCellsAmpFraction[i]; | |
732a24fe | 154 | } |
e649177a | 155 | } |
156 | ||
157 | fNExMax = source.fNExMax; | |
158 | fClusterType = source.fClusterType; | |
78902954 | 159 | fTOF = source.fTOF; |
e649177a | 160 | |
161 | //not in use | |
732a24fe | 162 | if(source.fTracksMatched){ |
163 | // assign or copy construct | |
85005d58 | 164 | if(fTracksMatched){ |
165 | *fTracksMatched = *source.fTracksMatched; | |
166 | } | |
732a24fe | 167 | else fTracksMatched = new TArrayI(*source.fTracksMatched); |
168 | } | |
169 | else{ | |
85005d58 | 170 | if(fTracksMatched)delete fTracksMatched; |
732a24fe | 171 | fTracksMatched = 0; |
172 | } | |
173 | ||
174 | if(source.fLabels){ | |
175 | // assign or copy construct | |
85005d58 | 176 | if(fLabels){ |
177 | *fLabels = *source.fLabels; | |
178 | } | |
732a24fe | 179 | else fLabels = new TArrayI(*source.fLabels); |
180 | } | |
181 | else{ | |
85005d58 | 182 | if(fLabels)delete fLabels; |
732a24fe | 183 | fLabels = 0; |
184 | } | |
185 | ||
7eff06f2 | 186 | fMCEnergyFraction = source.fMCEnergyFraction; |
e649177a | 187 | |
fe12e09c | 188 | return *this; |
189 | ||
190 | } | |
191 | ||
7a54a755 | 192 | //_______________________________________________________________________ |
732a24fe | 193 | void AliESDCaloCluster::Copy(TObject &obj) const { |
194 | ||
195 | // this overwrites the virtual TOBject::Copy() | |
196 | // to allow run time copying without casting | |
197 | // in AliESDEvent | |
198 | ||
199 | if(this==&obj)return; | |
200 | AliESDCaloCluster *robj = dynamic_cast<AliESDCaloCluster*>(&obj); | |
201 | if(!robj)return; // not an AliESDCluster | |
202 | *robj = *this; | |
203 | ||
204 | } | |
85c60a8e | 205 | |
206 | //_______________________________________________________________________ | |
207 | AliESDCaloCluster::~AliESDCaloCluster(){ | |
208 | // | |
5efdec54 | 209 | // This is destructor according Coding Conventions |
85c60a8e | 210 | // |
85005d58 | 211 | if(fTracksMatched)delete fTracksMatched;fTracksMatched = 0; |
212 | if(fLabels) delete fLabels; fLabels = 0; | |
85005d58 | 213 | if(fCellsAmpFraction){ delete[] fCellsAmpFraction; fCellsAmpFraction=0;} |
214 | if(fCellsAbsId){ delete[] fCellsAbsId; fCellsAbsId = 0;} | |
85c60a8e | 215 | } |
216 | ||
8dd6eba0 | 217 | //_______________________________________________________________________ |
218 | void AliESDCaloCluster::Clear(const Option_t*){ | |
219 | // | |
220 | // This is destructor according Coding Conventions | |
221 | // | |
222 | if(fTracksMatched)delete fTracksMatched;fTracksMatched = 0; | |
223 | if(fLabels) delete fLabels; fLabels = 0; | |
224 | if(fCellsAmpFraction){ delete[] fCellsAmpFraction; fCellsAmpFraction=0;} | |
225 | if(fCellsAbsId){ delete[] fCellsAbsId; fCellsAbsId = 0;} | |
226 | } | |
227 | ||
228 | ||
85c60a8e | 229 | //_______________________________________________________________________ |
c8fe2783 | 230 | void AliESDCaloCluster::SetPID(const Float_t *p) { |
85c60a8e | 231 | // Sets the probability of each particle type |
232 | // Copied from AliESDtrack SetPIDValues | |
233 | // This function copies "n" PID weights from "scr" to "dest" | |
234 | // and normalizes their sum to 1 thus producing conditional | |
235 | // probabilities. | |
236 | // The negative weights are set to 0. | |
237 | // In case all the weights are non-positive they are replaced by | |
238 | // uniform probabilities | |
239 | ||
00a38d07 | 240 | Int_t n = AliPID::kSPECIESCN; |
85c60a8e | 241 | |
242 | Float_t uniform = 1./(Float_t)n; | |
243 | ||
244 | Float_t sum = 0; | |
245 | for (Int_t i=0; i<n; i++) | |
246 | if (p[i]>=0) { | |
247 | sum+=p[i]; | |
248 | fPID[i] = p[i]; | |
249 | } | |
250 | else { | |
251 | fPID[i] = 0; | |
252 | } | |
253 | ||
254 | if(sum>0) | |
255 | for (Int_t i=0; i<n; i++) fPID[i] /= sum; | |
256 | else | |
257 | for (Int_t i=0; i<n; i++) fPID[i] = uniform; | |
258 | ||
259 | } | |
bab0b5f0 | 260 | |
261 | //_______________________________________________________________________ | |
5efdec54 | 262 | void AliESDCaloCluster::GetMomentum(TLorentzVector& p, Double_t *vertex ) { |
bab0b5f0 | 263 | // Returns TLorentzVector with momentum of the cluster. Only valid for clusters |
264 | // identified as photons or pi0 (overlapped gamma) produced on the vertex | |
5efdec54 | 265 | //Vertex can be recovered with esd pointer doing: |
266 | //" Double_t vertex[3] ; esd->GetVertex()->GetXYZ(vertex) ; " | |
267 | ||
c8fe2783 | 268 | Double32_t pos[3]={ fGlobalPos[0], fGlobalPos[1], fGlobalPos[2]}; |
269 | if(vertex){//calculate direction from vertex | |
270 | pos[0]-=vertex[0]; | |
271 | pos[1]-=vertex[1]; | |
272 | pos[2]-=vertex[2]; | |
273 | } | |
274 | ||
275 | Double_t r = TMath::Sqrt(pos[0]*pos[0]+pos[1]*pos[1]+pos[2]*pos[2] ) ; | |
276 | ||
277 | p.SetPxPyPzE( fEnergy*pos[0]/r, fEnergy*pos[1]/r, fEnergy*pos[2]/r, fEnergy) ; | |
bab0b5f0 | 278 | } |
ed712271 | 279 | |
280 | //_______________________________________________________________________ | |
281 | void AliESDCaloCluster::SetCellsAbsId(UShort_t *array) | |
282 | { | |
283 | // Set the array of cell absId numbers | |
c8fe2783 | 284 | if (fNCells) { |
285 | fCellsAbsId = new UShort_t[fNCells]; | |
286 | for (Int_t i = 0; i < fNCells; i++) fCellsAbsId[i] = array[i]; | |
287 | } | |
ed712271 | 288 | } |
289 | ||
290 | //_______________________________________________________________________ | |
291 | void AliESDCaloCluster::SetCellsAmplitudeFraction(Double32_t *array) | |
292 | { | |
c8fe2783 | 293 | // Set the array of cell amplitude fraction |
294 | if (fNCells) { | |
295 | fCellsAmpFraction = new Double32_t[fNCells]; | |
296 | for (Int_t i = 0; i < fNCells; i++) fCellsAmpFraction[i] = array[i]; | |
297 | } | |
ed712271 | 298 | } |
c8fe2783 | 299 | |
300 | //______________________________________________________________________________ | |
301 | void AliESDCaloCluster::SetPosition(Float_t *x) | |
302 | { | |
303 | // set the position | |
304 | ||
305 | if (x) { | |
306 | fGlobalPos[0] = x[0]; | |
307 | fGlobalPos[1] = x[1]; | |
308 | fGlobalPos[2] = x[2]; | |
309 | } else { | |
310 | ||
311 | fGlobalPos[0] = -999.; | |
312 | fGlobalPos[1] = -999.; | |
313 | fGlobalPos[2] = -999.; | |
314 | } | |
315 | } | |
316 | ||
317 |