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99e5fe42 | 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 | **************************************************************************/ | |
52ff852a | 15 | |
16 | /* $Id$ */ | |
99e5fe42 | 17 | |
18 | //--------------------------------------------------------------------- | |
19 | // Jet class | |
20 | // Stores the output of a jet algorithm | |
21 | // Author: jgcn@mda.cinvestav.mx | |
22 | //--------------------------------------------------------------------- | |
8838ab7a | 23 | |
99e5fe42 | 24 | |
25 | #include <Riostream.h> | |
26 | #include <TClonesArray.h> | |
27 | #include <TLorentzVector.h> | |
28 | ||
29 | #include "AliJet.h" | |
30 | ClassImp(AliJet) | |
1b7d5d7e | 31 | |
32 | AliJet::AliJet(): | |
33 | fNInput(0), | |
34 | fNJets(0), | |
35 | fEtAvg(0), | |
36 | fInJet(0), | |
37 | fMultiplicities(0), | |
38 | fNCells(0), | |
39 | fPtFromSignal(0), | |
40 | fJets(0), | |
41 | fEtaIn(0), | |
42 | fPhiIn(0), | |
8838ab7a | 43 | fPtIn(0), |
44 | fPtChPtCutIn(0), | |
45 | fEnTotChPtCutIn(0), | |
8838ab7a | 46 | fDetIn(0), |
be6e5811 | 47 | fTrackRef(new TRefArray()) |
99e5fe42 | 48 | { |
1b7d5d7e | 49 | // Default constructor |
99e5fe42 | 50 | fJets = new TClonesArray("TLorentzVector",1000); |
1b7d5d7e | 51 | fInJet = TArrayI(); |
52 | fPtIn = TArrayF(); | |
53 | fEtaIn = TArrayF(); | |
54 | fPhiIn = TArrayF(); | |
55 | fPtFromSignal = TArrayF(); | |
56 | fMultiplicities = TArrayI(); | |
57 | fNCells = TArrayI(); | |
8838ab7a | 58 | fPtChPtCutIn = TArrayF(); |
59 | fEnTotChPtCutIn = TArrayF(); | |
8838ab7a | 60 | fDetIn = TArrayI(); |
99e5fe42 | 61 | } |
62 | ||
63 | //////////////////////////////////////////////////////////////////////// | |
64 | ||
65 | AliJet::~AliJet() | |
66 | { | |
67 | // destructor | |
68 | if (fJets) { | |
69 | fJets->Delete(); | |
70 | delete fJets; | |
71 | } | |
72 | } | |
73 | ||
74 | //////////////////////////////////////////////////////////////////////// | |
75 | ||
76 | Bool_t AliJet::OutOfRange(Int_t i, const char *s) const | |
77 | { | |
83a444b1 | 78 | // checks if i is a valid index. s = name of calling method |
99e5fe42 | 79 | if (i >= fNJets || i < 0) { |
80 | cout << s << " Index " << i << " out of range" << endl; | |
81 | return kTRUE; | |
82 | } | |
83 | return kFALSE; | |
84 | } | |
85 | ||
86 | //////////////////////////////////////////////////////////////////////// | |
87 | ||
88 | TLorentzVector* AliJet::GetJet(Int_t i) | |
89 | { | |
90 | // returns i-jet | |
91 | if (OutOfRange(i, "AliJet::GetJet:")) return 0; | |
99e5fe42 | 92 | TLorentzVector *lv = (TLorentzVector*) fJets->At(i); |
93 | return lv; | |
94 | } | |
95 | ||
96 | //////////////////////////////////////////////////////////////////////// | |
97 | ||
83a444b1 | 98 | Int_t AliJet::GetMultiplicity(Int_t i) const |
99e5fe42 | 99 | { |
100 | // gets multiplicity of i-jet | |
101 | if (OutOfRange(i, "AliJet::GetMultiplicity:")) return 0; | |
102 | return fMultiplicities[i]; | |
103 | } | |
104 | ||
105 | //////////////////////////////////////////////////////////////////////// | |
106 | ||
83a444b1 | 107 | Int_t AliJet::GetNCell(Int_t i) const |
108 | { | |
109 | // gets number of cell of i-jet | |
110 | if (OutOfRange(i, "AliJet::GetNCell:")) return 0; | |
111 | return fNCells[i]; | |
112 | } | |
113 | ||
114 | //////////////////////////////////////////////////////////////////////// | |
115 | ||
99e5fe42 | 116 | Double_t AliJet::GetPx(Int_t i) |
117 | { | |
118 | // Get Px component of jet i | |
119 | if (OutOfRange(i, "AliJet::GetPx:")) return -1e30; | |
99e5fe42 | 120 | TLorentzVector *lv = (TLorentzVector*) fJets->At(i); |
121 | return lv->Px(); | |
122 | } | |
123 | ||
124 | //////////////////////////////////////////////////////////////////////// | |
125 | ||
126 | Double_t AliJet::GetPy(Int_t i) | |
127 | { | |
128 | // Get Py component of jet i | |
129 | if (OutOfRange(i, "AliJet::GetPy:")) return -1e30; | |
99e5fe42 | 130 | TLorentzVector *lv = (TLorentzVector*) fJets->At(i); |
131 | return lv->Py(); | |
132 | } | |
133 | ||
134 | //////////////////////////////////////////////////////////////////////// | |
135 | ||
136 | Double_t AliJet::GetPz(Int_t i) | |
137 | { | |
138 | // Get Pz component of jet i | |
139 | if (OutOfRange(i, "AliJet::GetPz:")) return -1e30; | |
99e5fe42 | 140 | TLorentzVector *lv = (TLorentzVector*) fJets->At(i); |
141 | return lv->Pz(); | |
142 | } | |
143 | ||
144 | //////////////////////////////////////////////////////////////////////// | |
145 | ||
146 | Double_t AliJet::GetP(Int_t i) | |
147 | { | |
148 | // Get momentum of jet i | |
149 | if (OutOfRange(i, "AliJet::GetP:")) return -1e30; | |
99e5fe42 | 150 | TLorentzVector *lv = (TLorentzVector*) fJets->At(i); |
151 | return lv->P(); | |
152 | } | |
153 | ||
154 | //////////////////////////////////////////////////////////////////////// | |
155 | ||
156 | Double_t AliJet::GetE(Int_t i) | |
157 | { | |
158 | // Get energy of jet i | |
159 | if (OutOfRange(i, "AliJet::GetE:")) return -1e30; | |
99e5fe42 | 160 | TLorentzVector *lv = (TLorentzVector*) fJets->At(i); |
161 | return lv->E(); | |
162 | } | |
163 | ||
164 | //////////////////////////////////////////////////////////////////////// | |
165 | ||
166 | Double_t AliJet::GetPt(Int_t i) | |
167 | { | |
168 | // Get transverse momentum of jet i | |
169 | if (OutOfRange(i, "AliJet::GetPt:")) return -1e30; | |
99e5fe42 | 170 | TLorentzVector *lv = (TLorentzVector*) fJets->At(i); |
171 | return lv->Pt(); | |
172 | } | |
173 | ||
174 | //////////////////////////////////////////////////////////////////////// | |
175 | ||
176 | Double_t AliJet::GetEta(Int_t i) | |
177 | { | |
178 | // Get eta of jet i | |
179 | if (OutOfRange(i, "AliJet::GetEta:")) return -1e30; | |
99e5fe42 | 180 | TLorentzVector *lv = (TLorentzVector*) fJets->At(i); |
181 | return lv->Eta(); | |
182 | } | |
183 | ||
184 | //////////////////////////////////////////////////////////////////////// | |
185 | ||
186 | Double_t AliJet::GetPhi(Int_t i) | |
187 | { | |
188 | // Get phi of jet i | |
189 | if (OutOfRange(i, "AliJet::GetPhi:")) return -1e30; | |
99e5fe42 | 190 | TLorentzVector *lv = (TLorentzVector*) fJets->At(i); |
191 | return ( (lv->Phi() < 0) ? (lv->Phi()) + 2. * TMath::Pi() : lv->Phi()); | |
192 | } | |
193 | ||
194 | //////////////////////////////////////////////////////////////////////// | |
195 | ||
196 | Double_t AliJet::GetTheta(Int_t i) | |
197 | { | |
198 | // Get theta of jet i | |
199 | if (OutOfRange(i, "AliJet::GetTheta:")) return -1e30; | |
99e5fe42 | 200 | TLorentzVector *lv = (TLorentzVector*) fJets->At(i); |
201 | return lv->Theta(); | |
202 | } | |
203 | ||
204 | //////////////////////////////////////////////////////////////////////// | |
205 | ||
206 | Double_t AliJet::GetMass(Int_t i) | |
207 | { | |
208 | // Get invariant mass of jet i | |
209 | if (OutOfRange(i, "AliJet::GetMass:")) return -1e30; | |
99e5fe42 | 210 | TLorentzVector *lv = (TLorentzVector*) fJets->At(i); |
211 | return lv->M(); | |
212 | } | |
213 | ||
214 | //////////////////////////////////////////////////////////////////////// | |
215 | ||
216 | ||
217 | void AliJet::AddJet(Double_t px, Double_t py, Double_t pz, Double_t e) | |
218 | { | |
219 | // Add new jet to the list | |
220 | new ((*fJets)[fNJets++]) TLorentzVector(px,py,pz,e); | |
221 | } | |
222 | ||
223 | //////////////////////////////////////////////////////////////////////// | |
224 | ||
225 | void AliJet::SetInJet(Int_t* j) | |
226 | { | |
227 | // set information of which input object belongs | |
83a444b1 | 228 | // to each jet. If zero, object was not assigned to |
229 | // a jet, if n,positive, it was assiged to jet n | |
230 | // if n, negative, it is within cone of jet n, but | |
231 | // it did not passed the user cuts. filled in by AliJetFinder | |
99e5fe42 | 232 | if (fNInput>0) fInJet.Set(fNInput, j); |
233 | } | |
234 | ||
235 | //////////////////////////////////////////////////////////////////////// | |
236 | ||
83a444b1 | 237 | void AliJet::SetEtaIn(Float_t* r) |
238 | { | |
239 | if (fNInput>0) fEtaIn.Set(fNInput, r); | |
240 | } | |
241 | ||
242 | //////////////////////////////////////////////////////////////////////// | |
243 | ||
244 | void AliJet::SetPtIn(Float_t* pt) | |
245 | { | |
246 | if (fNInput>0) fPtIn.Set(fNInput, pt); | |
247 | } | |
248 | ||
249 | //////////////////////////////////////////////////////////////////////// | |
250 | ||
251 | void AliJet::SetPhiIn(Float_t* x) | |
252 | { | |
253 | if (fNInput>0) fPhiIn.Set(fNInput, x); | |
254 | } | |
8838ab7a | 255 | //////////////////////////////////////////////////////////////////////// |
256 | ||
257 | void AliJet::SetPtChargedPtCutIn(Float_t* x) | |
258 | { | |
259 | if (fNInput>0) fPtChPtCutIn.Set(fNInput, x); | |
260 | } | |
261 | //////////////////////////////////////////////////////////////////////// | |
262 | ||
263 | void AliJet::SetEnTotChargedPtCutIn(Float_t* x) | |
264 | { | |
265 | if (fNInput>0) fEnTotChPtCutIn.Set(fNInput, x); | |
266 | } | |
267 | ||
268 | //////////////////////////////////////////////////////////////////////// | |
269 | ||
270 | void AliJet::SetDetectorFlagIn(Int_t* x) | |
271 | { | |
272 | if (fNInput>0) fDetIn.Set(fNInput, x); | |
273 | } | |
274 | ||
275 | //////////////////////////////////////////////////////////////////////// | |
276 | ||
365b766d | 277 | void AliJet::SetPtFromSignal(Float_t* p) |
278 | { | |
279 | // set information of percentage of pt of jets | |
280 | // coming from signal (ie Pythia) | |
281 | if (fNJets>0) fPtFromSignal.Set(fNJets, p); | |
282 | } | |
283 | ||
284 | //////////////////////////////////////////////////////////////////////// | |
285 | ||
99e5fe42 | 286 | void AliJet::SetMultiplicities(Int_t* m) |
287 | { | |
288 | // set information of jet multiplicities | |
289 | // filled in by AliJetFinder | |
290 | if (fNJets>0) fMultiplicities.Set(fNJets, m); | |
291 | } | |
292 | ||
293 | //////////////////////////////////////////////////////////////////////// | |
294 | ||
83a444b1 | 295 | void AliJet::SetNCells(Int_t* n) |
296 | { | |
297 | if (fNJets>0) fNCells.Set(fNJets, n); | |
298 | } | |
299 | ||
300 | //////////////////////////////////////////////////////////////////////// | |
301 | ||
99e5fe42 | 302 | void AliJet::ClearJets(Option_t *option) |
303 | { | |
304 | // reset all values | |
305 | fJets->Clear(option); | |
306 | fNInput=0; | |
307 | fNJets=0; | |
308 | fMultiplicities.Set(0); | |
309 | fInJet.Set(0); | |
83a444b1 | 310 | fPtFromSignal.Set(0); |
311 | fPhiIn.Set(0); | |
312 | fEtaIn.Set(0); | |
313 | fPtIn.Set(0); | |
314 | fNCells.Set(0); | |
8838ab7a | 315 | fPtChPtCutIn.Set(0); |
316 | fEnTotChPtCutIn.Set(0); | |
8838ab7a | 317 | fDetIn.Set(0); |
99e5fe42 | 318 | } |
319 | ||
320 | //////////////////////////////////////////////////////////////////////// | |
321 | ||
322 | void AliJet::PrintJets() | |
323 | { | |
324 | // Print jet information | |
325 | if (fNJets == 0) { | |
326 | cout << " AliJet::PrintJets: There are no jets in this event " << endl; | |
327 | return; | |
328 | } | |
329 | cout << " AliJet::PrintJets: There are " << fNJets | |
330 | << " jets in this event" << endl; | |
331 | for(Int_t i=0;i<fNJets;i++) { | |
332 | cout << " Jet " << i << " (px,py,pz,en)=(" << GetPx(i) | |
333 | << "," << GetPy(i) | |
334 | << "," << GetPz(i) | |
335 | << "," << GetE(i) | |
336 | << ")" << endl; | |
337 | cout << " (pt,eta,phi)=(" << GetPt(i) | |
338 | << "," << GetEta(i) | |
339 | << "," << GetPhi(i) << ")" << endl; | |
340 | cout << " # of tracks =" << GetMultiplicity(i) << endl; | |
341 | } | |
342 | } |