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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() : | |
8ada0ffe | 34 | TObject(), |
5efdec54 | 35 | fTracksMatched(0x0), |
36 | fLabels(0x0), | |
e649177a | 37 | fNCells(0), |
38 | fCellsAbsId(0x0), | |
39 | fCellsAmpFraction(0x0), | |
40 | fDigitAmplitude(0x0),//not in use | |
41 | fDigitTime(0x0),//not in use | |
42 | fDigitIndex(0x0),//not in use | |
8ada0ffe | 43 | fEnergy(0), |
44 | fDispersion(0), | |
45 | fChi2(0), | |
46 | fM20(0), | |
47 | fM02(0), | |
8ada0ffe | 48 | fEmcCpvDistance(1024), |
49 | fDistToBadChannel(1024), | |
50 | fID(0), | |
51 | fNExMax(0), | |
78902954 | 52 | fClusterType(kUndef), fTOF(0.) |
85c60a8e | 53 | { |
54 | // | |
55 | // The default ESD constructor | |
56 | // | |
57 | fGlobalPos[0] = fGlobalPos[1] = fGlobalPos[2] = 0.; | |
58 | for(Int_t i=0; i<AliPID::kSPECIESN; i++) fPID[i] = 0.; | |
59 | } | |
60 | ||
61 | //_______________________________________________________________________ | |
62 | AliESDCaloCluster::AliESDCaloCluster(const AliESDCaloCluster& clus) : | |
63 | TObject(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(), | |
69 | fDigitAmplitude(clus.fDigitAmplitude?new TArrayS(*clus.fDigitAmplitude):0x0),//not in use | |
70 | fDigitTime(clus.fDigitTime?new TArrayS(*clus.fDigitTime):0x0),//not in use | |
71 | fDigitIndex(clus.fDigitIndex?new TArrayS(*clus.fDigitIndex):0x0),//not in use | |
85c60a8e | 72 | fEnergy(clus.fEnergy), |
73 | fDispersion(clus.fDispersion), | |
74 | fChi2(clus.fChi2), | |
e3e93796 | 75 | fM20(clus.fM20), |
76 | fM02(clus.fM02), | |
e3e93796 | 77 | fEmcCpvDistance(clus.fEmcCpvDistance), |
45636e1b | 78 | fDistToBadChannel(clus.fDistToBadChannel), |
8ada0ffe | 79 | fID(clus.fID), |
80 | fNExMax(clus.fNExMax), | |
78902954 | 81 | fClusterType(clus.fClusterType), |
82 | fTOF(clus.fTOF) | |
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 | ||
91 | for(Int_t i=0; i<AliPID::kSPECIESN; i++) fPID[i] = clus.fPID[i]; | |
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; | |
8ada0ffe | 117 | TObject::operator=(source); |
118 | ||
119 | fGlobalPos[0] = source.fGlobalPos[0]; | |
120 | fGlobalPos[1] = source.fGlobalPos[1]; | |
121 | fGlobalPos[2] = source.fGlobalPos[2]; | |
122 | ||
fe12e09c | 123 | |
fe12e09c | 124 | fEnergy = source.fEnergy; |
125 | fDispersion = source.fDispersion; | |
126 | fChi2 = source.fChi2; | |
fe12e09c | 127 | fM20 = source.fM20; |
128 | fM02 = source.fM02; | |
fe12e09c | 129 | fEmcCpvDistance = source.fEmcCpvDistance; |
45636e1b | 130 | fDistToBadChannel = source.fDistToBadChannel ; |
fe12e09c | 131 | for(Int_t i=0; i<AliPID::kSPECIESN; 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){ |
732a24fe | 138 | if(fNCells != source.fNCells){ |
139 | delete [] fCellsAbsId; | |
140 | fCellsAbsId = new UShort_t[source.fNCells]; | |
141 | } | |
e649177a | 142 | for (Int_t i=0; i<source.fNCells; i++) |
143 | fCellsAbsId[i]=source.fCellsAbsId[i]; | |
144 | } | |
145 | ||
146 | if(source.fCellsAmpFraction){ | |
732a24fe | 147 | if(fNCells != source.fNCells){ |
148 | delete [] fCellsAmpFraction; | |
149 | fCellsAmpFraction = new Double32_t[source.fNCells]; | |
150 | } | |
e649177a | 151 | for (Int_t i=0; i<source.fNCells; i++) |
152 | fCellsAmpFraction[i]=source.fCellsAmpFraction[i]; | |
732a24fe | 153 | } |
e649177a | 154 | } |
155 | ||
156 | fNExMax = source.fNExMax; | |
157 | fClusterType = source.fClusterType; | |
78902954 | 158 | fTOF = source.fTOF; |
e649177a | 159 | |
160 | //not in use | |
732a24fe | 161 | if(source.fTracksMatched){ |
162 | // assign or copy construct | |
163 | if(fTracksMatched) *fTracksMatched = *source.fTracksMatched; | |
164 | else fTracksMatched = new TArrayI(*source.fTracksMatched); | |
165 | } | |
166 | else{ | |
167 | delete fTracksMatched; | |
168 | fTracksMatched = 0; | |
169 | } | |
170 | ||
171 | if(source.fLabels){ | |
172 | // assign or copy construct | |
173 | if(fLabels) *fLabels = *source.fLabels; | |
174 | else fLabels = new TArrayI(*source.fLabels); | |
175 | } | |
176 | else{ | |
177 | delete fLabels; | |
178 | fLabels = 0; | |
179 | } | |
180 | ||
181 | ||
182 | if(source.fDigitAmplitude){ | |
183 | // assign or copy construct | |
184 | if(fDigitAmplitude) *fDigitAmplitude = *source.fDigitAmplitude; | |
185 | else fDigitAmplitude = new TArrayS(*source.fDigitAmplitude); | |
186 | } | |
187 | else{ | |
188 | delete fDigitAmplitude; | |
189 | fDigitAmplitude = 0; | |
190 | } | |
191 | ||
192 | ||
193 | ||
194 | if(source.fDigitTime){ | |
195 | // assign or copy construct | |
196 | if(fDigitTime) *fDigitTime = *source.fDigitTime; | |
197 | else fDigitTime = new TArrayS(*source.fDigitTime); | |
198 | } | |
199 | else{ | |
200 | delete fDigitTime; | |
201 | fDigitTime = 0; | |
202 | } | |
203 | ||
204 | ||
205 | ||
206 | if(source.fDigitIndex){ | |
207 | // assign or copy construct | |
208 | if(fDigitIndex) *fDigitIndex = *source.fDigitIndex; | |
209 | else fDigitIndex = new TArrayS(*source.fDigitIndex); | |
210 | } | |
211 | else{ | |
212 | delete fDigitIndex; | |
213 | fDigitIndex = 0; | |
214 | } | |
e649177a | 215 | |
fe12e09c | 216 | return *this; |
217 | ||
218 | } | |
219 | ||
732a24fe | 220 | void AliESDCaloCluster::Copy(TObject &obj) const { |
221 | ||
222 | // this overwrites the virtual TOBject::Copy() | |
223 | // to allow run time copying without casting | |
224 | // in AliESDEvent | |
225 | ||
226 | if(this==&obj)return; | |
227 | AliESDCaloCluster *robj = dynamic_cast<AliESDCaloCluster*>(&obj); | |
228 | if(!robj)return; // not an AliESDCluster | |
229 | *robj = *this; | |
230 | ||
231 | } | |
85c60a8e | 232 | |
233 | //_______________________________________________________________________ | |
234 | AliESDCaloCluster::~AliESDCaloCluster(){ | |
235 | // | |
5efdec54 | 236 | // This is destructor according Coding Conventions |
85c60a8e | 237 | // |
5efdec54 | 238 | delete fTracksMatched; |
239 | delete fLabels; | |
e649177a | 240 | delete fDigitAmplitude; //not in use |
241 | delete fDigitTime; //not in use | |
242 | delete fDigitIndex; //not in use | |
243 | if(fCellsAmpFraction) delete[] fCellsAmpFraction; fCellsAmpFraction=0; | |
244 | if(fCellsAbsId) delete[] fCellsAbsId; fCellsAbsId = 0; | |
85c60a8e | 245 | } |
246 | ||
247 | //_______________________________________________________________________ | |
248 | void AliESDCaloCluster::SetPid(const Float_t *p) { | |
249 | // Sets the probability of each particle type | |
250 | // Copied from AliESDtrack SetPIDValues | |
251 | // This function copies "n" PID weights from "scr" to "dest" | |
252 | // and normalizes their sum to 1 thus producing conditional | |
253 | // probabilities. | |
254 | // The negative weights are set to 0. | |
255 | // In case all the weights are non-positive they are replaced by | |
256 | // uniform probabilities | |
257 | ||
258 | Int_t n = AliPID::kSPECIESN; | |
259 | ||
260 | Float_t uniform = 1./(Float_t)n; | |
261 | ||
262 | Float_t sum = 0; | |
263 | for (Int_t i=0; i<n; i++) | |
264 | if (p[i]>=0) { | |
265 | sum+=p[i]; | |
266 | fPID[i] = p[i]; | |
267 | } | |
268 | else { | |
269 | fPID[i] = 0; | |
270 | } | |
271 | ||
272 | if(sum>0) | |
273 | for (Int_t i=0; i<n; i++) fPID[i] /= sum; | |
274 | else | |
275 | for (Int_t i=0; i<n; i++) fPID[i] = uniform; | |
276 | ||
277 | } | |
bab0b5f0 | 278 | |
279 | //_______________________________________________________________________ | |
5efdec54 | 280 | void AliESDCaloCluster::GetMomentum(TLorentzVector& p, Double_t *vertex ) { |
bab0b5f0 | 281 | // Returns TLorentzVector with momentum of the cluster. Only valid for clusters |
282 | // identified as photons or pi0 (overlapped gamma) produced on the vertex | |
5efdec54 | 283 | //Vertex can be recovered with esd pointer doing: |
284 | //" Double_t vertex[3] ; esd->GetVertex()->GetXYZ(vertex) ; " | |
285 | ||
286 | if(vertex){//calculate direction from vertex | |
287 | fGlobalPos[0]-=vertex[0]; | |
288 | fGlobalPos[1]-=vertex[1]; | |
289 | fGlobalPos[2]-=vertex[2]; | |
290 | } | |
bab0b5f0 | 291 | |
292 | Double_t r = TMath::Sqrt(fGlobalPos[0]*fGlobalPos[0]+ | |
293 | fGlobalPos[1]*fGlobalPos[1]+ | |
294 | fGlobalPos[2]*fGlobalPos[2] ) ; | |
295 | ||
296 | p.SetPxPyPzE( fEnergy*fGlobalPos[0]/r, fEnergy*fGlobalPos[1]/r, fEnergy*fGlobalPos[2]/r, fEnergy) ; | |
297 | ||
298 | } | |
ed712271 | 299 | |
300 | //_______________________________________________________________________ | |
301 | void AliESDCaloCluster::SetCellsAbsId(UShort_t *array) | |
302 | { | |
303 | // Set the array of cell absId numbers | |
304 | if (fNCells) { | |
305 | fCellsAbsId = new UShort_t[fNCells]; | |
306 | for (Int_t i = 0; i < fNCells; i++) fCellsAbsId[i] = array[i]; | |
307 | } | |
308 | } | |
309 | ||
310 | //_______________________________________________________________________ | |
311 | void AliESDCaloCluster::SetCellsAmplitudeFraction(Double32_t *array) | |
312 | { | |
313 | // Set the array of cell amplitude fraction | |
314 | if (fNCells) { | |
315 | fCellsAmpFraction = new Double32_t[fNCells]; | |
316 | for (Int_t i = 0; i < fNCells; i++) fCellsAmpFraction[i] = array[i]; | |
317 | } | |
318 | } |