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ee7de0dd | 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 | ||
18 | //--------------------------------------------------------------------- | |
8838ab7a | 19 | // UA1 Cone Algorithm Jet finder for charged + neutral jet studies |
20 | // manages the search for jets using charged particle momentum and | |
21 | // neutral cell energy information | |
22 | // Based on UA1 V1 (from R. Diaz) | |
23 | // Author: magali.estienne@subatech.in2p3.fr | |
ee7de0dd | 24 | //--------------------------------------------------------------------- |
25 | ||
ee7de0dd | 26 | #include <TClonesArray.h> |
ee7de0dd | 27 | #include <TH1F.h> |
28 | #include <TH2F.h> | |
29 | #include <TLorentzVector.h> | |
30 | #include <TMath.h> | |
31 | #include <TRefArray.h> | |
be6e5811 | 32 | #include "TFile.h" |
ee7de0dd | 33 | |
34 | #include "AliUA1JetFinderV2.h" | |
35 | #include "AliUA1JetHeaderV1.h" | |
36 | #include "AliJetUnitArray.h" | |
952b368c | 37 | #include "AliJetReaderHeader.h" |
38 | #include "AliJetReader.h" | |
39 | #include "AliJetHeader.h" | |
ee7de0dd | 40 | |
be6e5811 | 41 | class TArrayF; |
42 | class TFile; | |
43 | class AliJetReader; | |
44 | class AliAODJet; | |
ee7de0dd | 45 | |
46 | ClassImp(AliUA1JetFinderV2) | |
47 | ||
ee7de0dd | 48 | |
8838ab7a | 49 | //////////////////////////////////////////////////////////////////////// |
9e4cc50d | 50 | AliUA1JetFinderV2::AliUA1JetFinderV2() : |
8838ab7a | 51 | AliJetFinder(), |
52 | fLego(0), | |
8838ab7a | 53 | fOpt(0) |
ee7de0dd | 54 | { |
8838ab7a | 55 | // |
ee7de0dd | 56 | // Constructor |
8838ab7a | 57 | // |
ee7de0dd | 58 | } |
59 | ||
60 | //////////////////////////////////////////////////////////////////////// | |
ee7de0dd | 61 | AliUA1JetFinderV2::~AliUA1JetFinderV2() |
ee7de0dd | 62 | { |
8838ab7a | 63 | // |
64 | // Destructor | |
65 | // | |
ee7de0dd | 66 | } |
67 | ||
68 | //////////////////////////////////////////////////////////////////////// | |
8838ab7a | 69 | void AliUA1JetFinderV2::FindJetsC() |
70 | { | |
71 | // | |
72 | // Used to find jets using charged particle momentum information | |
73 | // | |
74 | // 1) Fill cell map array | |
75 | // 2) calculate total energy and fluctuation level | |
76 | // 3) Run algorithm | |
77 | // 3.1) look centroides in cell map | |
78 | // 3.2) calculate total energy in cones | |
79 | // 3.3) flag as a possible jet | |
80 | // 3.4) reorder cones by energy | |
81 | // 4) subtract backg in accepted jets | |
82 | // 5) fill AliJet list | |
83 | ||
84 | // Transform input to pt,eta,phi plus lego | |
85 | ||
86 | AliUA1JetHeaderV1* header = (AliUA1JetHeaderV1*) fHeader; | |
87 | TClonesArray* lvArray = fReader->GetMomentumArray(); | |
88 | Int_t nIn = lvArray->GetEntries(); | |
cc6a2227 | 89 | fDebug = fHeader->GetDebug(); |
8838ab7a | 90 | |
91 | if (nIn == 0) return; | |
92 | ||
93 | // local arrays for input | |
94 | Float_t* ptT = new Float_t[nIn]; | |
95 | Float_t* etaT = new Float_t[nIn]; | |
96 | Float_t* phiT = new Float_t[nIn]; | |
446dbc09 | 97 | Int_t* cFlagT = new Int_t[nIn]; // Temporarily added |
98 | Int_t* sFlagT = new Int_t[nIn]; // Temporarily added | |
8838ab7a | 99 | Int_t* injet = new Int_t[nIn]; |
100 | ||
101 | //total energy in array | |
102 | Float_t etbgTotal = 0.0; | |
103 | TH1F* hPtTotal = new TH1F("hPt","Pt distribution of all particles ",100,0.0,15.0); | |
104 | ||
105 | // load input vectors and calculate total energy in array | |
106 | for (Int_t i = 0; i < nIn; i++){ | |
107 | TLorentzVector *lv = (TLorentzVector*) lvArray->At(i); | |
108 | ptT[i] = lv->Pt(); | |
109 | etaT[i] = lv->Eta(); | |
110 | phiT[i] = ((lv->Phi() < 0) ? (lv->Phi()) + 2 * TMath::Pi() : lv->Phi()); | |
be6e5811 | 111 | cFlagT[i] = fReader->GetCutFlag(i); |
112 | sFlagT[i] = fReader->GetSignalFlag(i); | |
8838ab7a | 113 | |
114 | if (fReader->GetCutFlag(i) != 1) continue; | |
115 | fLego->Fill(etaT[i], phiT[i], ptT[i]); | |
116 | hPtTotal->Fill(ptT[i]); | |
117 | etbgTotal+= ptT[i]; | |
118 | } | |
119 | ||
8838ab7a | 120 | |
121 | // calculate total energy and fluctuation in map | |
122 | Double_t meanpt = hPtTotal->GetMean(); | |
123 | Double_t ptRMS = hPtTotal->GetRMS(); | |
124 | Double_t npart = hPtTotal->GetEntries(); | |
125 | Double_t dEtTotal = (TMath::Sqrt(npart))*TMath::Sqrt(meanpt * meanpt + ptRMS*ptRMS); | |
126 | ||
127 | // arrays to hold jets | |
6fefa5ce | 128 | Float_t etaJet[30]; // eta jet |
129 | Float_t phiJet[30]; // phi jet | |
130 | Float_t etJet[30]; // et jet | |
131 | Float_t etsigJet[30]; // signal et in jet | |
132 | Float_t etallJet[30]; // total et in jet (tmp variable) | |
133 | Int_t ncellsJet[30]; | |
134 | Int_t multJet[30]; | |
8838ab7a | 135 | //--- Added for jet reordering at the end of the jet finding procedure |
6fefa5ce | 136 | Float_t etaJetOk[30]; |
137 | Float_t phiJetOk[30]; | |
138 | Float_t etJetOk[30]; | |
139 | Float_t etsigJetOk[30]; // signal et in jet | |
140 | Float_t etallJetOk[30]; // total et in jet (tmp variable) | |
141 | Int_t ncellsJetOk[30]; | |
142 | Int_t multJetOk[30]; | |
8838ab7a | 143 | //-------------------------- |
144 | Int_t nJets; // to hold number of jets found by algorithm | |
145 | Int_t nj; // number of jets accepted | |
146 | Float_t prec = header->GetPrecBg(); | |
147 | Float_t bgprec = 1; | |
148 | while(bgprec > prec){ | |
149 | //reset jet arrays in memory | |
150 | memset(etaJet,0,sizeof(Float_t)*30); | |
151 | memset(phiJet,0,sizeof(Float_t)*30); | |
152 | memset(etJet,0,sizeof(Float_t)*30); | |
153 | memset(etallJet,0,sizeof(Float_t)*30); | |
154 | memset(etsigJet,0,sizeof(Float_t)*30); | |
155 | memset(ncellsJet,0,sizeof(Int_t)*30); | |
156 | memset(multJet,0,sizeof(Int_t)*30); | |
157 | //--- Added for jet reordering at the end of the jet finding procedure | |
158 | memset(etaJetOk,0,sizeof(Float_t)*30); | |
159 | memset(phiJetOk,0,sizeof(Float_t)*30); | |
160 | memset(etJetOk,0,sizeof(Float_t)*30); | |
161 | memset(etallJetOk,0,sizeof(Float_t)*30); | |
162 | memset(etsigJetOk,0,sizeof(Float_t)*30); | |
163 | memset(ncellsJetOk,0,sizeof(Int_t)*30); | |
164 | memset(multJetOk,0,sizeof(Int_t)*30); | |
165 | //-------------------------- | |
166 | nJets = 0; | |
167 | nj = 0; | |
168 | ||
169 | // reset particles-jet array in memory | |
170 | memset(injet,-1,sizeof(Int_t)*nIn); | |
171 | //run cone algorithm finder | |
172 | RunAlgoritmC(etbgTotal,dEtTotal,nJets,etJet,etaJet,phiJet,etallJet,ncellsJet); | |
173 | ||
174 | //run background subtraction | |
175 | if(nJets > header->GetNAcceptJets()) // limited number of accepted jets per event | |
176 | nj = header->GetNAcceptJets(); | |
177 | else | |
178 | nj = nJets; | |
179 | //subtract background | |
180 | Float_t etbgTotalN = 0.0; //new background | |
181 | if(header->GetBackgMode() == 1) // standard | |
8838ab7a | 182 | SubtractBackgC(nIn,nj,etbgTotalN,ptT,etaT,phiT,etJet,etaJet,phiJet,etsigJet,multJet,injet); |
183 | if(header->GetBackgMode() == 2) //cone | |
184 | SubtractBackgCone(nIn,nj,etbgTotalN,ptT,etaT,phiT,cFlagT,sFlagT,etJet,etaJet,phiJet,etsigJet,multJet,injet); | |
185 | if(header->GetBackgMode() == 3) //ratio | |
186 | SubtractBackgRatio(nIn,nj,etbgTotalN,ptT,etaT,phiT,cFlagT,sFlagT,etJet,etaJet,phiJet,etsigJet,multJet,injet); | |
187 | if(header->GetBackgMode() == 4) //statistic | |
188 | SubtractBackgStat(nIn,nj,etbgTotalN,ptT,etaT,phiT,cFlagT,sFlagT,etJet,etaJet,phiJet,etsigJet,multJet,injet); | |
189 | //calc precision | |
446dbc09 | 190 | if(TMath::Abs(etbgTotalN) > 0.001) |
8838ab7a | 191 | bgprec = (etbgTotal - etbgTotalN)/etbgTotalN; |
192 | else | |
193 | bgprec = 0; | |
194 | etbgTotal = etbgTotalN; // update with new background estimation | |
195 | } //end while | |
196 | ||
197 | // add jets to list | |
198 | Int_t* idxjets = new Int_t[nj]; | |
199 | Int_t nselectj = 0; | |
200 | printf("Found %d jets \n", nj); | |
ee7de0dd | 201 | |
8838ab7a | 202 | // Reorder jets by et in cone |
203 | Int_t * idx = new Int_t[nJets]; | |
204 | TMath::Sort(nJets, etJet, idx); | |
205 | for(Int_t p = 0; p < nJets; p++){ | |
206 | etaJetOk[p] = etaJet[idx[p]]; | |
207 | phiJetOk[p] = phiJet[idx[p]]; | |
208 | etJetOk[p] = etJet[idx[p]]; | |
209 | etallJetOk[p] = etJet[idx[p]]; | |
be6e5811 | 210 | etsigJetOk[p] = etsigJet[idx[p]]; |
8838ab7a | 211 | ncellsJetOk[p] = ncellsJet[idx[p]]; |
212 | multJetOk[p] = multJet[idx[p]]; | |
213 | } | |
214 | ||
215 | for(Int_t kj=0; kj<nj; kj++) | |
216 | { | |
217 | if ((etaJetOk[kj] > (header->GetJetEtaMax())) || | |
218 | (etaJetOk[kj] < (header->GetJetEtaMin())) || | |
219 | (etJetOk[kj] < header->GetMinJetEt())) continue; // acceptance eta range and etmin | |
220 | Float_t px, py,pz,en; // convert to 4-vector | |
221 | px = etJetOk[kj] * TMath::Cos(phiJetOk[kj]); | |
222 | py = etJetOk[kj] * TMath::Sin(phiJetOk[kj]); | |
223 | pz = etJetOk[kj] / TMath::Tan(2.0 * TMath::ATan(TMath::Exp(-etaJetOk[kj]))); | |
224 | en = TMath::Sqrt(px * px + py * py + pz * pz); | |
8838ab7a | 225 | |
226 | AliAODJet jet(px, py, pz, en); | |
227 | jet.Print(""); | |
228 | ||
229 | AddJet(jet); | |
230 | ||
231 | idxjets[nselectj] = kj; | |
232 | nselectj++; | |
233 | } | |
ee7de0dd | 234 | |
8838ab7a | 235 | //add signal percentage and total signal in AliJets for analysis tool |
236 | Float_t* percentage = new Float_t[nselectj]; | |
237 | Int_t* ncells = new Int_t[nselectj]; | |
238 | Int_t* mult = new Int_t[nselectj]; | |
239 | for(Int_t i = 0; i< nselectj; i++) | |
240 | { | |
241 | percentage[i] = etsigJetOk[idxjets[i]]/etJetOk[idxjets[i]]; | |
242 | ncells[i] = ncellsJetOk[idxjets[i]]; | |
243 | mult[i] = multJetOk[idxjets[i]]; | |
244 | } | |
245 | ||
246 | //add particle-injet relationship /// | |
247 | for(Int_t bj = 0; bj < nIn; bj++) | |
248 | { | |
249 | if(injet[bj] == -1) continue; //background particle | |
250 | Int_t bflag = 0; | |
251 | for(Int_t ci = 0; ci< nselectj; ci++){ | |
252 | if(injet[bj] == idxjets[ci]){ | |
253 | injet[bj]= ci; | |
254 | bflag++; | |
255 | break; | |
256 | } | |
257 | } | |
258 | if(bflag == 0) injet[bj] = -1; // set as background particle | |
259 | } | |
260 | ||
8838ab7a | 261 | |
262 | //delete | |
263 | delete[] ptT; | |
264 | delete[] etaT; | |
265 | delete[] phiT; | |
266 | delete[] cFlagT; | |
267 | delete[] sFlagT; | |
268 | delete[] injet; | |
6fefa5ce | 269 | delete hPtTotal; |
8838ab7a | 270 | delete[] idxjets; |
6fefa5ce | 271 | delete[] idx; |
272 | ||
8838ab7a | 273 | delete[] percentage; |
274 | delete[] ncells; | |
275 | delete[] mult; | |
8838ab7a | 276 | //-------------------------- |
277 | ||
278 | } | |
ee7de0dd | 279 | |
8838ab7a | 280 | //////////////////////////////////////////////////////////////////////// |
281 | void AliUA1JetFinderV2::FindJets() | |
ee7de0dd | 282 | { |
8838ab7a | 283 | // |
284 | // Used to find jets using charged particle momentum information | |
285 | // & neutral energy from calo cells | |
286 | // | |
287 | // 1) Fill cell map array | |
288 | // 2) calculate total energy and fluctuation level | |
289 | // 3) Run algorithm | |
290 | // 3.1) look centroides in cell map | |
291 | // 3.2) calculate total energy in cones | |
292 | // 3.3) flag as a possible jet | |
293 | // 3.4) reorder cones by energy | |
294 | // 4) subtract backg in accepted jets | |
295 | // 5) fill AliJet list | |
ee7de0dd | 296 | |
297 | // transform input to pt,eta,phi plus lego | |
298 | ||
8838ab7a | 299 | AliUA1JetHeaderV1* header = (AliUA1JetHeaderV1*) fHeader; |
300 | TClonesArray* fUnit = fReader->GetUnitArray(); | |
301 | Int_t nCand = fReader->GetNumCandidate(); | |
302 | Int_t nCandCut = fReader->GetNumCandidateCut(); | |
303 | Int_t nIn = fUnit->GetEntries(); | |
be6e5811 | 304 | Float_t ptMin = fReader->GetReaderHeader()->GetPtCut(); |
ee7de0dd | 305 | |
306 | if (nIn == 0) return; | |
307 | ||
8838ab7a | 308 | Int_t nCandidateCut = 0; |
309 | Int_t nCandidate = 0; | |
310 | ||
311 | nCandidate = nCand; | |
312 | nCandidateCut = nCandCut; | |
313 | ||
ee7de0dd | 314 | // local arrays for input No Cuts |
315 | // Both pt < ptMin and pt > ptMin | |
be6e5811 | 316 | Float_t* ptT = new Float_t[nCandidate]; |
317 | Float_t* en2T = new Float_t[nCandidate]; | |
318 | Float_t* pt2T = new Float_t[nCandidate]; | |
319 | Int_t* detT = new Int_t[nCandidate]; | |
320 | Float_t* etaT = new Float_t[nCandidate]; | |
321 | Float_t* phiT = new Float_t[nCandidate]; | |
446dbc09 | 322 | Int_t* cFlagT = new Int_t[nCandidate]; |
323 | Int_t* cFlag2T = new Int_t[nCandidate]; | |
324 | Int_t* sFlagT = new Int_t[nCandidate]; | |
be6e5811 | 325 | Float_t* cClusterT = new Float_t[nCandidate]; |
326 | Int_t* vectT = new Int_t[nCandidate]; | |
327 | Int_t loop1 = 0; | |
328 | Int_t* injet = new Int_t[nCandidate]; | |
329 | Int_t* sflag = new Int_t[nCandidate]; | |
330 | TRefArray* trackRef = new TRefArray(); | |
ee7de0dd | 331 | |
332 | //total energy in array | |
333 | Float_t etbgTotal = 0.0; | |
be6e5811 | 334 | TH1F* hPtTotal = new TH1F("hPt","Pt distribution of all particles ",100,0.0,15.0); |
ee7de0dd | 335 | |
336 | // Input cell info | |
be6e5811 | 337 | Float_t *etCell = new Float_t[nIn]; //! Cell Energy - Extracted from UnitArray |
338 | Float_t *etaCell = new Float_t[nIn]; //! Cell eta - Extracted from UnitArray | |
339 | Float_t *phiCell = new Float_t[nIn]; //! Cell phi - Extracted from UnitArray | |
340 | Int_t *flagCell = new Int_t[nIn]; //! Cell phi - Extracted from UnitArray | |
341 | Float_t *etCell2 = new Float_t[nIn]; //! Cell Energy - Extracted from UnitArray | |
342 | Float_t *etaCell2 = new Float_t[nIn]; //! Cell eta - Extracted from UnitArray | |
343 | Float_t *phiCell2 = new Float_t[nIn]; //! Cell phi - Extracted from UnitArray | |
8838ab7a | 344 | Int_t *flagCell2 = new Int_t[nIn]; //! Cell phi - Extracted from UnitArray |
345 | ||
ee7de0dd | 346 | // Information extracted from fUnitArray |
8838ab7a | 347 | // Load input vectors and calculate total energy in array |
ee7de0dd | 348 | for(Int_t i=0; i<nIn; i++) |
349 | { | |
8838ab7a | 350 | // Recover particle information from UnitArray |
351 | ||
ee7de0dd | 352 | AliJetUnitArray *uArray = (AliJetUnitArray*)fUnit->At(i); |
be6e5811 | 353 | TRefArray* ref = uArray->GetUnitTrackRef(); |
354 | Int_t nRef = ref->GetEntries(); | |
355 | ||
ee7de0dd | 356 | if(uArray->GetUnitEnergy()>0.){ |
be6e5811 | 357 | |
358 | for(Int_t jpart=0; jpart<nRef;jpart++) | |
359 | trackRef->Add((AliVTrack*)ref->At(jpart)); | |
ee7de0dd | 360 | ptT[loop1] = uArray->GetUnitEnergy(); |
8838ab7a | 361 | detT[loop1] = uArray->GetUnitDetectorFlag(); |
ee7de0dd | 362 | etaT[loop1] = uArray->GetUnitEta(); |
363 | phiT[loop1] = uArray->GetUnitPhi(); | |
8838ab7a | 364 | cFlagT[loop1]= uArray->GetUnitCutFlag(); // pt cut tpc |
365 | cFlag2T[loop1]= uArray->GetUnitCutFlag2(); // pt cut emcal | |
366 | sFlagT[loop1]= uArray->GetUnitSignalFlag(); | |
be6e5811 | 367 | vectT[loop1] = nRef; |
8838ab7a | 368 | if(cFlagT[loop1] == 1 || cFlag2T[loop1] == 1) { |
369 | pt2T[loop1] = 0.; | |
370 | en2T[loop1] = 0.; | |
371 | if(detT[loop1]==1){ | |
372 | en2T[loop1] = ptT[loop1] - header->GetMinCellEt(); | |
373 | if(en2T[loop1] < 0) en2T[loop1]=0; | |
374 | hPtTotal->Fill(en2T[loop1]); | |
375 | etbgTotal += en2T[loop1]; | |
376 | } | |
377 | if(detT[loop1]==0){ // TPC+ITS | |
378 | Float_t pt = 0.; | |
be6e5811 | 379 | for(Int_t j=0; j<nRef;j++){ |
8838ab7a | 380 | Float_t x=0.; Float_t y=0.; Float_t z=0.; |
be6e5811 | 381 | x = ((AliVTrack*)ref->At(j))->Px(); |
382 | y = ((AliVTrack*)ref->At(j))->Py(); | |
383 | z = ((AliVTrack*)ref->At(j))->Pz(); | |
8838ab7a | 384 | pt = TMath::Sqrt(x*x+y*y); |
be6e5811 | 385 | if(pt>ptMin) { |
8838ab7a | 386 | pt2T[loop1] += pt; |
387 | en2T[loop1] += pt; | |
388 | hPtTotal->Fill(pt); | |
389 | etbgTotal+= pt; | |
390 | } | |
391 | } | |
392 | } | |
393 | if(detT[loop1]==2) { // EMCal | |
394 | Float_t ptCTot = 0.; | |
395 | Float_t pt = 0.; | |
396 | Float_t enC = 0.; | |
be6e5811 | 397 | for(Int_t j=0; j<nRef;j++){ |
8838ab7a | 398 | Float_t x=0.; Float_t y=0.; Float_t z=0.; |
be6e5811 | 399 | x = ((AliVTrack*)ref->At(j))->Px(); |
400 | y = ((AliVTrack*)ref->At(j))->Py(); | |
401 | z = ((AliVTrack*)ref->At(j))->Pz(); | |
8838ab7a | 402 | pt = TMath::Sqrt(x*x+y*y); |
be6e5811 | 403 | if(pt>ptMin) { |
8838ab7a | 404 | pt2T[loop1]+=pt; |
405 | en2T[loop1]+=pt; | |
406 | hPtTotal->Fill(pt); | |
407 | etbgTotal+= pt; | |
408 | } | |
409 | ptCTot += pt; | |
410 | } | |
411 | enC = ptT[loop1] - ptCTot - header->GetMinCellEt(); | |
412 | if(enC < 0.) enC=0.; | |
413 | en2T[loop1] += enC; | |
414 | hPtTotal->Fill(enC); | |
415 | etbgTotal+= enC; | |
416 | } | |
ee7de0dd | 417 | } |
418 | loop1++; | |
419 | } | |
ee7de0dd | 420 | |
8838ab7a | 421 | if(uArray->GetUnitCutFlag()==1) { |
422 | if(uArray->GetUnitDetectorFlag()==1){ // EMCal case | |
423 | etCell[i] = uArray->GetUnitEnergy() - header->GetMinCellEt(); | |
424 | if ((uArray->GetUnitEnergy() - header->GetMinCellEt()) < 0.0) etCell[i]=0.; | |
425 | etaCell[i] = uArray->GetUnitEta(); | |
426 | phiCell[i] = uArray->GetUnitPhi(); | |
427 | flagCell[i] = 0; // default | |
428 | etCell2[i] = etCell[i]; | |
429 | etaCell2[i] = uArray->GetUnitEta(); | |
430 | phiCell2[i] = uArray->GetUnitPhi(); | |
431 | flagCell2[i] = 0; // default | |
432 | } | |
433 | if(uArray->GetUnitDetectorFlag()==0){ // TPC case | |
434 | Float_t pt = 0.; Float_t et1 = 0.; Float_t et2 = 0.; | |
be6e5811 | 435 | for(Int_t j=0; j<nRef;j++) |
8838ab7a | 436 | { |
437 | Float_t x=0.; Float_t y=0.; Float_t z=0.; | |
be6e5811 | 438 | x = ((AliVTrack*)ref->At(j))->Px(); |
439 | y = ((AliVTrack*)ref->At(j))->Py(); | |
440 | z = ((AliVTrack*)ref->At(j))->Pz(); | |
8838ab7a | 441 | pt = TMath::Sqrt(x*x+y*y); |
be6e5811 | 442 | if(pt>ptMin) { |
8838ab7a | 443 | et1 += pt; |
444 | et2 += pt; | |
445 | } | |
446 | } | |
447 | etCell[i] = et1; | |
448 | etCell2[i] = et2; | |
449 | if(et1 < 0.) etCell[i] = etCell2[i] = 0.; | |
450 | etaCell[i] = uArray->GetUnitEta(); | |
451 | phiCell[i] = uArray->GetUnitPhi(); | |
452 | flagCell[i] = 0; // default | |
453 | etaCell2[i] = uArray->GetUnitEta(); | |
454 | phiCell2[i] = uArray->GetUnitPhi(); | |
455 | flagCell2[i] = 0; // default | |
456 | } | |
457 | if(uArray->GetUnitDetectorFlag()==2){ // TPC + EMCal case | |
458 | Float_t ptCTot = 0.; | |
459 | Float_t pt = 0.; Float_t et1 = 0.; Float_t et2 = 0.; | |
460 | Float_t enC = 0.; | |
be6e5811 | 461 | for(Int_t j=0; j<nRef;j++) |
8838ab7a | 462 | { |
463 | Float_t x=0.; Float_t y=0.; Float_t z=0.; | |
be6e5811 | 464 | x = ((AliVTrack*)ref->At(j))->Px(); |
465 | y = ((AliVTrack*)ref->At(j))->Py(); | |
466 | z = ((AliVTrack*)ref->At(j))->Pz(); | |
8838ab7a | 467 | pt = TMath::Sqrt(x*x+y*y); |
be6e5811 | 468 | if(pt>ptMin) { |
8838ab7a | 469 | et1 += pt; |
470 | et2 += pt; | |
471 | } | |
472 | ptCTot += pt; | |
473 | } | |
474 | enC = uArray->GetUnitEnergy() - ptCTot; | |
475 | etCell[i] = et1 + enC - header->GetMinCellEt(); | |
476 | etCell2[i] = et2 + enC - header->GetMinCellEt(); | |
477 | if((enC + et1 - header->GetMinCellEt()) < 0.) etCell[i] = etCell2[i] = 0.; | |
478 | etaCell[i] = uArray->GetUnitEta(); | |
479 | phiCell[i] = uArray->GetUnitPhi(); | |
480 | flagCell[i] = 0; // default | |
481 | etaCell2[i] = uArray->GetUnitEta(); | |
482 | phiCell2[i] = uArray->GetUnitPhi(); | |
483 | flagCell2[i] = 0; // default | |
484 | } | |
485 | } | |
486 | else { | |
487 | etCell[i] = 0.; | |
488 | etaCell[i] = uArray->GetUnitEta(); | |
489 | phiCell[i] = uArray->GetUnitPhi(); | |
490 | flagCell[i] = 0; | |
491 | etCell2[i] = 0.; | |
492 | etaCell2[i] = uArray->GetUnitEta(); | |
493 | phiCell2[i] = uArray->GetUnitPhi(); | |
494 | flagCell2[i] = 0; | |
495 | } | |
496 | } // end loop on nCandidate | |
497 | ||
ee7de0dd | 498 | |
499 | // calculate total energy and fluctuation in map | |
500 | Double_t meanpt = hPtTotal->GetMean(); | |
501 | Double_t ptRMS = hPtTotal->GetRMS(); | |
502 | Double_t npart = hPtTotal->GetEntries(); | |
503 | Double_t dEtTotal = (TMath::Sqrt(npart))*TMath::Sqrt(meanpt * meanpt + ptRMS*ptRMS); | |
504 | ||
505 | // arrays to hold jets | |
6fefa5ce | 506 | Float_t etaJet[30]; |
507 | Float_t phiJet[30]; | |
508 | Float_t etJet[30]; | |
509 | Float_t etsigJet[30]; //signal et in jet | |
510 | Float_t etallJet[30]; // total et in jet (tmp variable) | |
511 | Int_t ncellsJet[30]; | |
512 | Int_t multJet[30]; | |
8838ab7a | 513 | //--- Added by me for jet reordering at the end of the jet finding procedure |
6fefa5ce | 514 | Float_t etaJetOk[30]; |
515 | Float_t phiJetOk[30]; | |
516 | Float_t etJetOk[30]; | |
517 | Float_t etsigJetOk[30]; //signal et in jet | |
518 | Float_t etallJetOk[30]; // total et in jet (tmp variable) | |
519 | Int_t ncellsJetOk[30]; | |
520 | Int_t multJetOk[30]; | |
8838ab7a | 521 | //-------------------------- |
522 | Int_t nJets; // to hold number of jets found by algorithm | |
523 | Int_t nj; // number of jets accepted | |
524 | Float_t prec = header->GetPrecBg(); | |
525 | Float_t bgprec = 1; | |
526 | ||
ee7de0dd | 527 | while(bgprec > prec){ |
ee7de0dd | 528 | |
8838ab7a | 529 | //reset jet arrays in memory |
530 | memset(etaJet,0,sizeof(Float_t)*30); | |
531 | memset(phiJet,0,sizeof(Float_t)*30); | |
532 | memset(etJet,0,sizeof(Float_t)*30); | |
533 | memset(etallJet,0,sizeof(Float_t)*30); | |
534 | memset(etsigJet,0,sizeof(Float_t)*30); | |
535 | memset(ncellsJet,0,sizeof(Int_t)*30); | |
536 | memset(multJet,0,sizeof(Int_t)*30); | |
537 | //--- Added by me for jet reordering at the end of the jet finding procedure | |
538 | memset(etaJetOk,0,sizeof(Float_t)*30); | |
539 | memset(phiJetOk,0,sizeof(Float_t)*30); | |
540 | memset(etJetOk,0,sizeof(Float_t)*30); | |
541 | memset(etallJetOk,0,sizeof(Float_t)*30); | |
542 | memset(etsigJetOk,0,sizeof(Float_t)*30); | |
543 | memset(ncellsJetOk,0,sizeof(Int_t)*30); | |
544 | memset(multJetOk,0,sizeof(Int_t)*30); | |
545 | ||
546 | nJets = 0; | |
547 | nj = 0; | |
548 | ||
549 | // reset particles-jet array in memory | |
550 | memset(injet,-1,sizeof(Int_t)*nCandidate); | |
551 | //run cone algorithm finder | |
552 | RunAlgoritm(nIn,etCell,etaCell,phiCell,flagCell,etCell2,etaCell2,phiCell2, | |
553 | flagCell2,etbgTotal,dEtTotal,nJets,etJet,etaJet,phiJet, | |
554 | etallJet,ncellsJet); | |
555 | ||
556 | //run background subtraction | |
557 | if(nJets > header->GetNAcceptJets()) // limited number of accepted jets per event | |
558 | nj = header->GetNAcceptJets(); | |
559 | else | |
560 | nj = nJets; | |
561 | ||
562 | //subtract background | |
563 | Float_t etbgTotalN = 0.0; //new background | |
564 | if(header->GetBackgMode() == 1) // standard | |
565 | SubtractBackg(nCandidate,nj,etbgTotalN,en2T,vectT,etaT,phiT,cFlagT,cFlag2T,sFlagT,etJet,etaJet,phiJet,etsigJet,multJet,injet); | |
566 | // To be modified ------------------------ | |
567 | if(header->GetBackgMode() == 2) //cone | |
568 | SubtractBackgCone(nCandidate,nj,etbgTotalN,ptT,etaT,phiT,cFlagT,sFlagT,etJet,etaJet,phiJet,etsigJet,multJet,injet); | |
569 | if(header->GetBackgMode() == 3) //ratio | |
570 | SubtractBackgRatio(nCandidate,nj,etbgTotalN,ptT,etaT,phiT,cFlagT,sFlagT,etJet,etaJet,phiJet,etsigJet,multJet,injet); | |
571 | if(header->GetBackgMode() == 4) //statistic | |
572 | SubtractBackgStat(nCandidate,nj,etbgTotalN,ptT,etaT,phiT,cFlagT,sFlagT,etJet,etaJet,phiJet,etsigJet,multJet,injet); | |
573 | //---------------------------------------- | |
574 | //calc precision | |
575 | if(etbgTotalN != 0.0) | |
576 | bgprec = (etbgTotal - etbgTotalN)/etbgTotalN; | |
577 | else | |
578 | bgprec = 0; | |
579 | etbgTotal = etbgTotalN; // update with new background estimation | |
580 | } //end while | |
581 | ||
ee7de0dd | 582 | // add jets to list |
583 | Int_t* idxjets = new Int_t[nj]; | |
584 | Int_t nselectj = 0; | |
585 | printf("Found %d jets \n", nj); | |
586 | ||
8838ab7a | 587 | // Reorder jets by et in cone |
588 | // Sort jets by energy | |
589 | Int_t * idx = new Int_t[nJets]; | |
590 | TMath::Sort(nJets, etJet, idx); | |
591 | for(Int_t p = 0; p < nJets; p++) | |
592 | { | |
593 | etaJetOk[p] = etaJet[idx[p]]; | |
594 | phiJetOk[p] = phiJet[idx[p]]; | |
595 | etJetOk[p] = etJet[idx[p]]; | |
596 | etallJetOk[p] = etJet[idx[p]]; | |
be6e5811 | 597 | etsigJetOk[p] = etsigJet[idx[p]]; |
8838ab7a | 598 | ncellsJetOk[p] = ncellsJet[idx[p]]; |
599 | multJetOk[p] = multJet[idx[p]]; | |
600 | } | |
601 | ||
e36a3f22 | 602 | TRefArray *refs = 0; |
603 | Bool_t fromAod = !strcmp(fReader->ClassName(),"AliJetAODReader"); | |
604 | if (fromAod) refs = fReader->GetReferences(); | |
605 | Int_t nTracks = 0; | |
606 | if (fromAod) nTracks = ((TRefArray*)refs)->GetEntries(); | |
607 | Int_t* trackinjet = new Int_t[nTracks]; | |
608 | for(Int_t it=0; it<nTracks; it++) trackinjet[it]=-1; | |
609 | ||
8838ab7a | 610 | for(Int_t kj=0; kj<nj; kj++) |
611 | { | |
612 | if ((etaJetOk[kj] > (header->GetJetEtaMax())) || | |
613 | (etaJetOk[kj] < (header->GetJetEtaMin())) || | |
614 | (etJetOk[kj] < header->GetMinJetEt())) continue; // acceptance eta range and etmin | |
ee7de0dd | 615 | Float_t px, py,pz,en; // convert to 4-vector |
8838ab7a | 616 | px = etJetOk[kj] * TMath::Cos(phiJetOk[kj]); |
617 | py = etJetOk[kj] * TMath::Sin(phiJetOk[kj]); | |
618 | pz = etJetOk[kj] / TMath::Tan(2.0 * TMath::ATan(TMath::Exp(-etaJetOk[kj]))); | |
ee7de0dd | 619 | en = TMath::Sqrt(px * px + py * py + pz * pz); |
42b0ac89 | 620 | |
ee7de0dd | 621 | AliAODJet jet(px, py, pz, en); |
622 | jet.Print(""); | |
623 | ||
e36a3f22 | 624 | if (fromAod){ |
625 | for(Int_t jpart = 0; jpart < nTracks; jpart++) { // loop for all particles in array | |
626 | Float_t deta = ((AliAODTrack*)refs->At(jpart))->Eta() - etaJetOk[kj]; | |
627 | Float_t dphi = ((AliAODTrack*)refs->At(jpart))->Phi() - phiJetOk[kj]; | |
628 | if (dphi < -TMath::Pi()) dphi= -dphi - 2.0 * TMath::Pi(); | |
629 | if (dphi > TMath::Pi()) dphi = 2.0 * TMath::Pi() - dphi; | |
e59b9a1c | 630 | |
e36a3f22 | 631 | Float_t dr = TMath::Sqrt(deta * deta + dphi * dphi); |
e59b9a1c | 632 | if(dr <= header->GetRadius() && fReader->GetCutFlag(jpart) == 1) { |
633 | // particles inside this cone | |
634 | if(trackinjet[jpart]==-1) { | |
635 | trackinjet[jpart] = kj; | |
636 | } else if(fDebug>10) { | |
637 | printf("The track already belongs to jet %d \n",trackinjet[jpart]); | |
638 | } | |
639 | } | |
e36a3f22 | 640 | if(trackinjet[jpart]==kj) |
e59b9a1c | 641 | jet.AddTrack(refs->At(jpart)); // check if the particle belongs to the jet and add the ref |
e36a3f22 | 642 | } |
643 | } | |
644 | ||
ee7de0dd | 645 | AddJet(jet); |
646 | ||
647 | idxjets[nselectj] = kj; | |
648 | nselectj++; | |
8838ab7a | 649 | } |
650 | ||
ee7de0dd | 651 | //add signal percentage and total signal in AliJets for analysis tool |
652 | Float_t* percentage = new Float_t[nselectj]; | |
653 | Int_t* ncells = new Int_t[nselectj]; | |
654 | Int_t* mult = new Int_t[nselectj]; | |
8838ab7a | 655 | for(Int_t i = 0; i< nselectj; i++) |
656 | { | |
657 | percentage[i] = etsigJetOk[idxjets[i]]/etJetOk[idxjets[i]]; | |
658 | ncells[i] = ncellsJetOk[idxjets[i]]; | |
659 | mult[i] = multJetOk[idxjets[i]]; | |
660 | } | |
661 | ||
662 | //add particle-injet relationship /// | |
663 | for(Int_t bj = 0; bj < nCandidate; bj++) | |
664 | { | |
665 | if(injet[bj] == -1) continue; //background particle | |
666 | Int_t bflag = 0; | |
667 | for(Int_t ci = 0; ci< nselectj; ci++){ | |
668 | if(injet[bj] == idxjets[ci]){ | |
669 | injet[bj]= ci; | |
670 | bflag++; | |
671 | break; | |
672 | } | |
673 | } | |
674 | if(bflag == 0) injet[bj] = -1; // set as background particle | |
ee7de0dd | 675 | } |
8838ab7a | 676 | |
ee7de0dd | 677 | |
678 | //delete | |
6fefa5ce | 679 | delete [] ptT; |
680 | delete [] en2T; | |
681 | delete [] pt2T; | |
682 | delete [] etaT; | |
683 | delete [] phiT; | |
684 | delete [] detT; | |
685 | delete [] cFlagT; | |
686 | delete [] cFlag2T; | |
687 | delete [] sFlagT; | |
688 | delete [] cClusterT; | |
689 | delete [] vectT; | |
690 | delete [] injet; | |
691 | delete [] sflag; | |
be6e5811 | 692 | trackRef->Delete(); |
693 | delete trackRef; | |
6fefa5ce | 694 | |
ee7de0dd | 695 | delete hPtTotal; |
6fefa5ce | 696 | delete [] etCell; |
697 | delete [] etaCell; | |
698 | delete [] phiCell; | |
699 | delete [] flagCell; | |
700 | delete [] etCell2; | |
701 | delete [] etaCell2; | |
702 | delete [] phiCell2; | |
703 | delete [] flagCell2; | |
8838ab7a | 704 | //-------------------------- |
6fefa5ce | 705 | delete [] idxjets; |
706 | delete [] idx; | |
707 | delete [] trackinjet; | |
708 | ||
709 | delete [] percentage; | |
710 | delete [] ncells; | |
711 | delete [] mult; | |
ee7de0dd | 712 | |
ee7de0dd | 713 | } |
714 | ||
715 | //////////////////////////////////////////////////////////////////////// | |
c345674e | 716 | void AliUA1JetFinderV2::RunAlgoritm(Int_t nIn, Float_t* etCell, Float_t* const etaCell, Float_t* phiCell, |
717 | Int_t* const flagCell, const Float_t* etCell2, const Float_t* etaCell2, const Float_t* phiCell2, | |
718 | const Int_t* flagCell2, Float_t etbgTotal, Double_t dEtTotal, | |
719 | Int_t& nJets, Float_t* const etJet, Float_t* const etaJet, Float_t* const phiJet, | |
720 | Float_t* const etallJet, Int_t* const ncellsJet) | |
ee7de0dd | 721 | { |
be6e5811 | 722 | // |
723 | // Main method for jet finding | |
724 | // UA1 base cone finder | |
725 | // | |
726 | ||
cc6a2227 | 727 | Int_t nCell = nIn; |
ee7de0dd | 728 | |
8838ab7a | 729 | // Dump lego |
730 | // Check enough space! *to be done* | |
ee7de0dd | 731 | AliUA1JetHeaderV1* header = (AliUA1JetHeaderV1*) fHeader; |
8838ab7a | 732 | for(Int_t i=0; i<nCell; i++){ |
733 | etCell[i] = etCell2[i]; | |
734 | etaCell[i] = etaCell2[i]; | |
735 | phiCell[i] = phiCell2[i]; | |
736 | flagCell[i] = flagCell2[i]; | |
737 | } | |
ee7de0dd | 738 | |
739 | // Parameters from header | |
740 | Float_t minmove = header->GetMinMove(); | |
741 | Float_t maxmove = header->GetMaxMove(); | |
742 | Float_t rc = header->GetRadius(); | |
743 | Float_t etseed = header->GetEtSeed(); | |
744 | ||
8838ab7a | 745 | // Tmp array of jets form algoritm |
ee7de0dd | 746 | Float_t etaAlgoJet[30]; |
747 | Float_t phiAlgoJet[30]; | |
748 | Float_t etAlgoJet[30]; | |
749 | Int_t ncellsAlgoJet[30]; | |
750 | ||
8838ab7a | 751 | // Run algorithm// |
ee7de0dd | 752 | |
8838ab7a | 753 | // Sort cells by et |
ee7de0dd | 754 | Int_t * index = new Int_t[nCell]; |
755 | TMath::Sort(nCell, etCell, index); | |
756 | ||
8838ab7a | 757 | // Variable used in centroide loop |
9dda5307 | 758 | Float_t eta = 0.0; |
759 | Float_t phi = 0.0; | |
760 | Float_t eta0 = 0.0; | |
761 | Float_t phi0 = 0.0; | |
762 | Float_t etab = 0.0; | |
763 | Float_t phib = 0.0; | |
764 | Float_t etas = 0.0; | |
765 | Float_t phis = 0.0; | |
766 | Float_t ets = 0.0; | |
767 | Float_t deta = 0.0; | |
768 | Float_t dphi = 0.0; | |
769 | Float_t dr = 0.0; | |
770 | Float_t etsb = 0.0; | |
ee7de0dd | 771 | Float_t etasb = 0.0; |
772 | Float_t phisb = 0.0; | |
9dda5307 | 773 | Float_t dphib = 0.0; |
ee7de0dd | 774 | |
8838ab7a | 775 | for(Int_t icell = 0; icell < nCell; icell++) |
776 | { | |
9dda5307 | 777 | Int_t jcell = index[icell]; |
778 | if(etCell[jcell] <= etseed) continue; // if cell energy is low et seed | |
779 | if(flagCell[jcell] != 0) continue; // if cell was used before | |
8838ab7a | 780 | |
9dda5307 | 781 | eta = etaCell[jcell]; |
782 | phi = phiCell[jcell]; | |
783 | eta0 = eta; | |
784 | phi0 = phi; | |
785 | etab = eta; | |
786 | phib = phi; | |
787 | ets = etCell[jcell]; | |
788 | etas = 0.0; | |
789 | phis = 0.0; | |
790 | etsb = ets; | |
791 | etasb = 0.0; | |
792 | phisb = 0.0; | |
8838ab7a | 793 | for(Int_t kcell =0; kcell < nCell; kcell++) |
794 | { | |
9dda5307 | 795 | Int_t lcell = index[kcell]; |
796 | if(lcell == jcell) continue; // cell itself | |
797 | if(flagCell[lcell] != 0) continue; // cell used before | |
8838ab7a | 798 | if(etCell[lcell] > etCell[jcell]) continue; // can this happen |
9dda5307 | 799 | //calculate dr |
800 | deta = etaCell[lcell] - eta; | |
8838ab7a | 801 | dphi = TMath::Abs(phiCell[lcell] - phi); |
9dda5307 | 802 | if (dphi > TMath::Pi()) dphi = 2.0 * TMath::Pi() - dphi; |
803 | dr = TMath::Sqrt(deta * deta + dphi * dphi); | |
804 | if(dr <= rc){ | |
8838ab7a | 805 | // calculate offset from initiate cell |
806 | deta = etaCell[lcell] - eta0; | |
807 | dphi = phiCell[lcell] - phi0; | |
808 | if (dphi < -TMath::Pi()) dphi= dphi + 2.0 * TMath::Pi(); | |
809 | if (dphi > TMath::Pi()) dphi = dphi - 2.0 * TMath::Pi(); | |
810 | etas = etas + etCell[lcell]*deta; | |
811 | phis = phis + etCell[lcell]*dphi; | |
812 | ets = ets + etCell[lcell]; | |
813 | //new weighted eta and phi including this cell | |
814 | eta = eta0 + etas/ets; | |
815 | phi = phi0 + phis/ets; | |
816 | // if cone does not move much, just go to next step | |
817 | dphib = TMath::Abs(phi - phib); | |
818 | if (dphib > TMath::Pi()) dphib = 2. * TMath::Pi() - dphib; | |
819 | dr = TMath::Sqrt((eta-etab)*(eta-etab) + dphib * dphib); | |
820 | if(dr <= minmove) break; | |
821 | // cone should not move more than max_mov | |
822 | dr = TMath::Sqrt((etas/ets)*(etas/ets) + (phis/ets)*(phis/ets)); | |
823 | if(dr > maxmove){ | |
824 | eta = etab; | |
825 | phi = phib; | |
826 | ets = etsb; | |
827 | etas = etasb; | |
828 | phis = phisb; | |
829 | } else { // store this loop information | |
830 | etab = eta; | |
831 | phib = phi; | |
832 | etsb = ets; | |
833 | etasb = etas; | |
834 | phisb = phis; | |
835 | } | |
836 | } // inside cone | |
ee7de0dd | 837 | }//end of cells loop looking centroide |
838 | ||
839 | //avoid cones overloap (to be implemented in the future) | |
840 | ||
841 | //flag cells in Rc, estimate total energy in cone | |
8838ab7a | 842 | Float_t etCone = 0.0; |
843 | Int_t nCellIn = 0; | |
844 | Int_t nCellOut = 0; | |
845 | rc = header->GetRadius(); | |
846 | ||
847 | for(Int_t ncell =0; ncell < nCell; ncell++) | |
848 | { | |
849 | if(flagCell[ncell] != 0) continue; // cell used before | |
850 | //calculate dr | |
851 | deta = etaCell[ncell] - eta; | |
852 | // if(deta <= rc){ // Added to improve velocity -> to be tested | |
853 | dphi = phiCell[ncell] - phi; | |
854 | if (dphi < -TMath::Pi()) dphi= -dphi - 2.0 * TMath::Pi(); | |
855 | if (dphi > TMath::Pi()) dphi = 2.0 * TMath::Pi() - dphi; | |
856 | // if(dphi <= rc){ // Added to improve velocity -> to be tested | |
857 | dr = TMath::Sqrt(deta * deta + dphi * dphi); | |
858 | if(dr <= rc){ // cell in cone | |
859 | flagCell[ncell] = -1; | |
860 | etCone+=etCell[ncell]; | |
861 | nCellIn++; | |
862 | } | |
863 | else nCellOut++; | |
864 | // } // end deta <= rc | |
865 | // } // end dphi <= rc | |
ee7de0dd | 866 | } |
867 | ||
8838ab7a | 868 | // select jets with et > background |
869 | // estimate max fluctuation of background in cone | |
870 | Double_t ncellin = (Double_t)nCellIn; | |
871 | Double_t ntcell = (Double_t)nCell; | |
872 | Double_t etbmax = (etbgTotal + dEtTotal )*(ncellin/(ntcell)); | |
873 | // min cone et | |
874 | Double_t etcmin = etCone ; // could be used etCone - etmin !! | |
875 | //decisions !! etbmax < etcmin | |
876 | ||
877 | for(Int_t mcell =0; mcell < nCell; mcell++) | |
878 | { | |
879 | if(flagCell[mcell] == -1){ | |
880 | if(etbmax < etcmin) | |
881 | flagCell[mcell] = 1; //flag cell as used | |
882 | else | |
883 | flagCell[mcell] = 0; // leave it free | |
884 | } | |
ee7de0dd | 885 | } |
8838ab7a | 886 | //store tmp jet info !!! |
887 | if(etbmax < etcmin) | |
888 | { | |
889 | etaAlgoJet[nJets] = eta; | |
890 | phiAlgoJet[nJets] = phi; | |
891 | etAlgoJet[nJets] = etCone; | |
892 | ncellsAlgoJet[nJets] = nCellIn; | |
893 | nJets++; | |
894 | } | |
895 | ||
896 | } // end of cells loop | |
897 | ||
898 | for(Int_t p = 0; p < nJets; p++) | |
899 | { | |
900 | etaJet[p] = etaAlgoJet[p]; | |
901 | phiJet[p] = phiAlgoJet[p]; | |
902 | etJet[p] = etAlgoJet[p]; | |
903 | etallJet[p] = etAlgoJet[p]; | |
904 | ncellsJet[p] = ncellsAlgoJet[p]; | |
905 | } | |
906 | ||
907 | //delete | |
4ce766eb | 908 | delete[] index; |
8838ab7a | 909 | |
910 | } | |
911 | ||
912 | //////////////////////////////////////////////////////////////////////// | |
913 | void AliUA1JetFinderV2::RunAlgoritmC(Float_t etbgTotal, Double_t dEtTotal, Int_t& nJets, | |
c345674e | 914 | Float_t* const etJet,Float_t* const etaJet, Float_t* const phiJet, |
915 | Float_t* const etallJet, Int_t* const ncellsJet) | |
8838ab7a | 916 | { |
917 | // Dump lego | |
918 | // Check enough space! *to be done* | |
919 | AliUA1JetHeaderV1* header = (AliUA1JetHeaderV1*) fHeader; | |
920 | Float_t etCell[60000]; //! Cell Energy | |
921 | Float_t etaCell[60000]; //! Cell eta | |
922 | Float_t phiCell[60000]; //! Cell phi | |
923 | Int_t flagCell[60000]; //! Cell flag | |
924 | ||
925 | Int_t nCell = 0; | |
926 | TAxis* xaxis = fLego->GetXaxis(); | |
927 | TAxis* yaxis = fLego->GetYaxis(); | |
928 | Float_t e = 0.0; | |
929 | for (Int_t i = 1; i <= header->GetLegoNbinEta(); i++) | |
930 | { | |
931 | for (Int_t j = 1; j <= header->GetLegoNbinPhi(); j++) | |
932 | { | |
933 | e = fLego->GetBinContent(i,j); | |
934 | if (e < 0.0) continue; // don't include this cells | |
935 | Float_t eta = xaxis->GetBinCenter(i); | |
936 | Float_t phi = yaxis->GetBinCenter(j); | |
937 | etCell[nCell] = e; | |
938 | etaCell[nCell] = eta; | |
939 | phiCell[nCell] = phi; | |
940 | flagCell[nCell] = 0; //default | |
941 | nCell++; | |
942 | } | |
943 | } | |
944 | ||
945 | // Parameters from header | |
946 | Float_t minmove = header->GetMinMove(); | |
947 | Float_t maxmove = header->GetMaxMove(); | |
948 | Float_t rc = header->GetRadius(); | |
949 | Float_t etseed = header->GetEtSeed(); | |
950 | ||
951 | // Tmp array of jets form algoritm | |
952 | Float_t etaAlgoJet[30]; | |
953 | Float_t phiAlgoJet[30]; | |
954 | Float_t etAlgoJet[30]; | |
955 | Int_t ncellsAlgoJet[30]; | |
956 | ||
957 | // Run algorithm// | |
958 | ||
959 | // Sort cells by et | |
960 | Int_t * index = new Int_t[nCell]; | |
961 | TMath::Sort(nCell, etCell, index); | |
962 | // variable used in centroide loop | |
963 | Float_t eta = 0.0; | |
964 | Float_t phi = 0.0; | |
965 | Float_t eta0 = 0.0; | |
966 | Float_t phi0 = 0.0; | |
967 | Float_t etab = 0.0; | |
968 | Float_t phib = 0.0; | |
969 | Float_t etas = 0.0; | |
970 | Float_t phis = 0.0; | |
971 | Float_t ets = 0.0; | |
972 | Float_t deta = 0.0; | |
973 | Float_t dphi = 0.0; | |
974 | Float_t dr = 0.0; | |
975 | Float_t etsb = 0.0; | |
976 | Float_t etasb = 0.0; | |
977 | Float_t phisb = 0.0; | |
978 | Float_t dphib = 0.0; | |
ee7de0dd | 979 | |
8838ab7a | 980 | for(Int_t icell = 0; icell < nCell; icell++) |
981 | { | |
982 | Int_t jcell = index[icell]; | |
983 | if(etCell[jcell] <= etseed) continue; // if cell energy is low et seed | |
984 | if(flagCell[jcell] != 0) continue; // if cell was used before | |
985 | ||
986 | eta = etaCell[jcell]; | |
987 | phi = phiCell[jcell]; | |
988 | eta0 = eta; | |
989 | phi0 = phi; | |
990 | etab = eta; | |
991 | phib = phi; | |
992 | ets = etCell[jcell]; | |
993 | etas = 0.0; | |
994 | phis = 0.0; | |
995 | etsb = ets; | |
996 | etasb = 0.0; | |
997 | phisb = 0.0; | |
998 | for(Int_t kcell =0; kcell < nCell; kcell++) | |
999 | { | |
1000 | Int_t lcell = index[kcell]; | |
1001 | if(lcell == jcell) continue; // cell itself | |
1002 | if(flagCell[lcell] != 0) continue; // cell used before | |
1003 | if(etCell[lcell] > etCell[jcell]) continue; // can this happen | |
1004 | //calculate dr | |
1005 | deta = etaCell[lcell] - eta; | |
1006 | dphi = TMath::Abs(phiCell[lcell] - phi); | |
1007 | if (dphi > TMath::Pi()) dphi = 2.0 * TMath::Pi() - dphi; | |
1008 | dr = TMath::Sqrt(deta * deta + dphi * dphi); | |
1009 | if(dr <= rc) | |
1010 | { | |
1011 | // calculate offset from initiate cell | |
1012 | deta = etaCell[lcell] - eta0; | |
1013 | dphi = phiCell[lcell] - phi0; | |
1014 | if (dphi < -TMath::Pi()) dphi= dphi + 2.0 * TMath::Pi(); | |
1015 | if (dphi > TMath::Pi()) dphi = dphi - 2.0 * TMath::Pi(); | |
1016 | etas = etas + etCell[lcell]*deta; | |
1017 | phis = phis + etCell[lcell]*dphi; | |
1018 | ets = ets + etCell[lcell]; | |
1019 | //new weighted eta and phi including this cell | |
1020 | eta = eta0 + etas/ets; | |
1021 | phi = phi0 + phis/ets; | |
1022 | // if cone does not move much, just go to next step | |
1023 | dphib = TMath::Abs(phi - phib); | |
1024 | if (dphib > TMath::Pi()) dphib = 2. * TMath::Pi() - dphib; | |
1025 | dr = TMath::Sqrt((eta-etab)*(eta-etab) + dphib * dphib); | |
1026 | if(dr <= minmove) break; | |
1027 | // cone should not move more than max_mov | |
1028 | dr = TMath::Sqrt((etas/ets)*(etas/ets) + (phis/ets)*(phis/ets)); | |
1029 | if(dr > maxmove){ | |
1030 | eta = etab; | |
1031 | phi = phib; | |
1032 | ets = etsb; | |
1033 | etas = etasb; | |
1034 | phis = phisb; | |
1035 | } else { // store this loop information | |
1036 | etab=eta; | |
1037 | phib=phi; | |
1038 | etsb = ets; | |
1039 | etasb = etas; | |
1040 | phisb = phis; | |
1041 | } | |
1042 | } // inside cone | |
1043 | }//end of cells loop looking centroide | |
1044 | ||
1045 | // Avoid cones overloap (to be implemented in the future) | |
1046 | ||
1047 | // Flag cells in Rc, estimate total energy in cone | |
1048 | Float_t etCone = 0.0; | |
1049 | Int_t nCellIn = 0; | |
1050 | Int_t nCellOut = 0; | |
1051 | rc = header->GetRadius(); | |
1052 | for(Int_t ncell =0; ncell < nCell; ncell++) | |
1053 | { | |
1054 | if(flagCell[ncell] != 0) continue; // cell used before | |
1055 | //calculate dr | |
1056 | deta = etaCell[ncell] - eta; | |
1057 | dphi = phiCell[ncell] - phi; | |
1058 | if (dphi < -TMath::Pi()) dphi= -dphi - 2.0 * TMath::Pi(); | |
1059 | if (dphi > TMath::Pi()) dphi = 2.0 * TMath::Pi() - dphi; | |
1060 | dr = TMath::Sqrt(deta * deta + dphi * dphi); | |
1061 | if(dr <= rc){ // cell in cone | |
1062 | flagCell[ncell] = -1; | |
1063 | etCone+=etCell[ncell]; | |
1064 | nCellIn++; | |
1065 | } | |
1066 | else nCellOut++; | |
1067 | } | |
1068 | ||
1069 | // Select jets with et > background | |
1070 | // estimate max fluctuation of background in cone | |
1071 | Double_t ncellin = (Double_t)nCellIn; | |
1072 | Double_t ntcell = (Double_t)nCell; | |
1073 | Double_t etbmax = (etbgTotal + dEtTotal )*(ncellin/ntcell); | |
1074 | // min cone et | |
1075 | Double_t etcmin = etCone ; // could be used etCone - etmin !! | |
1076 | //decisions !! etbmax < etcmin | |
1077 | ||
1078 | for(Int_t mcell =0; mcell < nCell; mcell++){ | |
1079 | if(flagCell[mcell] == -1){ | |
1080 | if(etbmax < etcmin) | |
1081 | flagCell[mcell] = 1; //flag cell as used | |
1082 | else | |
1083 | flagCell[mcell] = 0; // leave it free | |
1084 | } | |
1085 | } | |
1086 | //store tmp jet info !!! | |
1087 | ||
1088 | if(etbmax < etcmin) { | |
1089 | etaAlgoJet[nJets] = eta; | |
1090 | phiAlgoJet[nJets] = phi; | |
1091 | etAlgoJet[nJets] = etCone; | |
1092 | ncellsAlgoJet[nJets] = nCellIn; | |
1093 | nJets++; | |
1094 | } | |
1095 | ||
1096 | } // end of cells loop | |
ee7de0dd | 1097 | |
1098 | //reorder jets by et in cone | |
1099 | //sort jets by energy | |
1100 | Int_t * idx = new Int_t[nJets]; | |
1101 | TMath::Sort(nJets, etAlgoJet, idx); | |
8838ab7a | 1102 | for(Int_t p = 0; p < nJets; p++) |
1103 | { | |
1104 | etaJet[p] = etaAlgoJet[idx[p]]; | |
1105 | phiJet[p] = phiAlgoJet[idx[p]]; | |
1106 | etJet[p] = etAlgoJet[idx[p]]; | |
1107 | etallJet[p] = etAlgoJet[idx[p]]; | |
1108 | ncellsJet[p] = ncellsAlgoJet[idx[p]]; | |
1109 | } | |
1110 | ||
ee7de0dd | 1111 | //delete |
4ce766eb | 1112 | delete [] index; |
1113 | delete [] idx; | |
ee7de0dd | 1114 | |
1115 | } | |
ee7de0dd | 1116 | |
8838ab7a | 1117 | //////////////////////////////////////////////////////////////////////// |
c345674e | 1118 | void AliUA1JetFinderV2::SubtractBackg(const Int_t& nIn, const Int_t&nJ, Float_t& etbgTotalN, const Float_t* ptT, const Int_t* vectT, |
1119 | const Float_t* etaT, const Float_t* phiT, const Int_t* cFlagT, const Int_t* cFlag2T, | |
1120 | const Int_t* sFlagT, Float_t* const etJet, const Float_t* etaJet, const Float_t* phiJet, | |
1121 | Float_t* const etsigJet, Int_t* const multJet, Int_t* const injet) | |
ee7de0dd | 1122 | { |
8838ab7a | 1123 | // |
1124 | // Background subtraction using cone method but without correction in dE/deta distribution | |
1125 | // Cases to take into account the EMCal geometry are included | |
1126 | // | |
1127 | ||
ee7de0dd | 1128 | //calculate energy inside and outside cones |
1129 | AliUA1JetHeaderV1* header = (AliUA1JetHeaderV1*) fHeader; | |
08c28025 | 1130 | fOpt = fReader->GetReaderHeader()->GetDetector(); |
ee7de0dd | 1131 | Float_t rc= header->GetRadius(); |
1132 | Float_t etIn[30]; | |
1133 | Float_t etOut = 0; | |
8838ab7a | 1134 | |
1135 | for(Int_t j=0;j<30;j++){etIn[j]=0.;} | |
1136 | ||
ee7de0dd | 1137 | for(Int_t jpart = 0; jpart < nIn; jpart++){ // loop for all particles in array |
8838ab7a | 1138 | |
1139 | for(Int_t ijet=0; ijet<nJ; ijet++){ | |
1140 | ||
1141 | Float_t deta = etaT[jpart] - etaJet[ijet]; | |
1142 | Float_t dphi = phiT[jpart] - phiJet[ijet]; | |
1143 | if (dphi < -TMath::Pi()) dphi= -dphi - 2.0 * TMath::Pi(); | |
1144 | if (dphi > TMath::Pi()) dphi = 2.0 * TMath::Pi() - dphi; | |
1145 | ||
1146 | Float_t dr = TMath::Sqrt(deta * deta + dphi * dphi); | |
1147 | if(dr <= rc){ // particles inside this cone | |
1148 | multJet[ijet]+=vectT[jpart]; | |
1149 | injet[jpart] = ijet; | |
1150 | ||
1151 | if(cFlagT[jpart] == 1 || cFlag2T[jpart] == 1){ // pt cut | |
1152 | etIn[ijet] += ptT[jpart]; | |
1153 | if(sFlagT[jpart] == 1) etsigJet[ijet]+= ptT[jpart]; | |
1154 | } | |
1155 | break; | |
1156 | } | |
1157 | }// end jets loop | |
1158 | ||
1159 | if(injet[jpart] == -1 && (cFlagT[jpart] == 1 || cFlag2T[jpart] == 1)){ | |
1160 | etOut += ptT[jpart]; // particle outside cones and pt cut | |
1161 | } | |
ee7de0dd | 1162 | } //end particle loop |
1163 | ||
1164 | //estimate jets and background areas | |
8838ab7a | 1165 | // TPC case |
1166 | if(fOpt == 0 || fOpt == 1){ | |
1167 | Float_t areaJet[30]; | |
1168 | Float_t areaOut = 4*(header->GetLegoEtaMax())*TMath::Pi(); | |
1169 | ||
1170 | for(Int_t k=0; k<nJ; k++){ | |
ee7de0dd | 1171 | Float_t detamax = etaJet[k] + rc; |
1172 | Float_t detamin = etaJet[k] - rc; | |
1173 | Float_t accmax = 0.0; Float_t accmin = 0.0; | |
1174 | if(detamax > header->GetLegoEtaMax()){ // sector outside etamax | |
8838ab7a | 1175 | Float_t h = header->GetLegoEtaMax() - etaJet[k]; |
1176 | accmax = rc*rc*TMath::ACos(h/rc) - h*TMath::Sqrt(rc*rc - h*h); | |
ee7de0dd | 1177 | } |
1178 | if(detamin < header->GetLegoEtaMin()){ // sector outside etamin | |
8838ab7a | 1179 | Float_t h = header->GetLegoEtaMax() + etaJet[k]; |
1180 | accmin = rc*rc*TMath::ACos(h/rc) - h*TMath::Sqrt(rc*rc - h*h); | |
ee7de0dd | 1181 | } |
1182 | areaJet[k] = rc*rc*TMath::Pi() - accmax - accmin; | |
1183 | areaOut = areaOut - areaJet[k]; | |
8838ab7a | 1184 | } |
1185 | //subtract background using area method | |
1186 | for(Int_t ljet=0; ljet<nJ; ljet++){ | |
1187 | Float_t areaRatio = areaJet[ljet]/areaOut; | |
1188 | etJet[ljet] = etIn[ljet]-etOut*areaRatio; // subtraction | |
1189 | } | |
1190 | ||
1191 | // estimate new total background | |
1192 | Float_t areaT = 4*(header->GetLegoEtaMax())*TMath::Pi(); | |
1193 | etbgTotalN = etOut*areaT/areaOut; | |
1194 | } | |
1195 | else { // If EMCal included | |
1196 | Float_t areaJet[30]; | |
1197 | Float_t areaOut = 2*(header->GetLegoEtaMax())*(header->GetLegoPhiMax() - header->GetLegoPhiMin()); | |
1198 | for(Int_t k=0; k<nJ; k++){ | |
1199 | Float_t detamax = etaJet[k] + rc; | |
1200 | Float_t detamin = etaJet[k] - rc; | |
1201 | Float_t dphimax = phiJet[k] + rc; | |
1202 | Float_t dphimin = phiJet[k] - rc; | |
1203 | Float_t eMax = header->GetLegoEtaMax(); | |
1204 | Float_t eMin = header->GetLegoEtaMin(); | |
1205 | Float_t pMax = header->GetLegoPhiMax(); | |
1206 | Float_t pMin = header->GetLegoPhiMin(); | |
1207 | Float_t accetamax = 0.0; Float_t accetamin = 0.0; | |
1208 | Float_t accphimax = 0.0; Float_t accphimin = 0.0; | |
1209 | if((detamax > eMax && dphimax >= (pMin+2*rc) && dphimax <= pMax )|| | |
1210 | (detamax > eMax && dphimin <= (pMax-2*rc) && dphimin >= pMin )){ | |
1211 | Float_t h = eMax - etaJet[k]; | |
1212 | accetamax = rc*rc*TMath::ACos(h/rc) - h*TMath::Sqrt(rc*rc - h*h); | |
1213 | } | |
1214 | if((detamin < eMin && dphimax >= (pMin+2*rc) && dphimax <= pMax )|| | |
1215 | (detamin < eMin && dphimin <= (pMax-2*rc) && dphimin >= pMin )){ | |
1216 | Float_t h = eMax + etaJet[k]; | |
1217 | accetamin = rc*rc*TMath::ACos(h/rc) - h*TMath::Sqrt(rc*rc - h*h); | |
1218 | } | |
1219 | if((dphimax > pMax && detamax >= (eMin+2*rc) && detamax <= eMax )|| | |
1220 | (dphimax > pMax && detamin <= (eMax-2*rc) && detamin >= eMin )){ | |
1221 | Float_t h = pMax - phiJet[k]; | |
1222 | accphimax = rc*rc*TMath::ACos(h/rc) - h*TMath::Sqrt(rc*rc - h*h); | |
1223 | } | |
1224 | if((dphimin < eMin && detamax >= (eMin+2*rc) && detamax <= eMax )|| | |
1225 | (dphimin < eMin && detamin <= (eMax-2*rc) && detamin >= eMin )){ | |
1226 | Float_t h = phiJet[k] - pMin; | |
1227 | accphimin = rc*rc*TMath::ACos(h/rc) - h*TMath::Sqrt(rc*rc - h*h); | |
1228 | } | |
1229 | ||
1230 | if(detamax > eMax && dphimax > pMax ){ | |
1231 | Float_t he = eMax - etaJet[k]; | |
1232 | Float_t hp = pMax - phiJet[k]; | |
1233 | Float_t rlim = TMath::Sqrt(pow(he,2)+pow(hp,2)); | |
1234 | Float_t alphae = TMath::ACos(he/rc); | |
1235 | Float_t alphap = TMath::ACos(hp/rc); | |
1236 | Float_t alphad = (alphae+alphap)/2-TMath::Pi()/4; | |
1237 | if(rlim <= rc){ | |
1238 | accetamax = rc*rc*alphae - he*TMath::Sqrt(rc*rc - he*he); | |
1239 | accphimax = rc*rc*alphap - hp*TMath::Sqrt(rc*rc - hp*hp); | |
1240 | } | |
1241 | if(rlim > rc){ | |
1242 | accetamax = rc*rc*alphae - he*TMath::Sqrt(rc*rc - he*he); | |
1243 | accphimax = rc*rc*alphap - hp*TMath::Sqrt(rc*rc - hp*hp)- | |
1244 | ((TMath::Sqrt(pow(rc,2)-pow(he,2))-hp)*(TMath::Sqrt(pow(rc,2)-pow(hp,2))-he))/2+ | |
1245 | rc*rc*alphad - rc*rc*TMath::Sin(alphad)*TMath::Cos(alphad); | |
1246 | } | |
1247 | } | |
1248 | ||
1249 | if(detamax > eMax && dphimin < pMin ){ | |
1250 | Float_t he = eMax - etaJet[k]; | |
1251 | Float_t hp = phiJet[k] - pMin; | |
1252 | Float_t rlim = TMath::Sqrt(pow(he,2)+pow(hp,2)); | |
1253 | Float_t alphae = TMath::ACos(he/rc); | |
1254 | Float_t alphap = TMath::ACos(hp/rc); | |
1255 | Float_t alphad = (alphae+alphap)/2-TMath::Pi()/4; | |
1256 | if(rlim <= rc){ | |
1257 | accetamax = rc*rc*alphae - he*TMath::Sqrt(rc*rc - he*he); | |
1258 | accphimin = rc*rc*alphap - hp*TMath::Sqrt(rc*rc - hp*hp); | |
1259 | } | |
1260 | if(rlim > rc){ | |
1261 | accetamax = rc*rc*alphae - he*TMath::Sqrt(rc*rc - he*he); | |
1262 | accphimin = rc*rc*alphap - hp*TMath::Sqrt(rc*rc - hp*hp)- | |
1263 | ((TMath::Sqrt(pow(rc,2)-pow(he,2))-hp)*(TMath::Sqrt(pow(rc,2)-pow(hp,2))-he))/2+ | |
1264 | rc*rc*alphad - rc*rc*TMath::Sin(alphad)*TMath::Cos(alphad); | |
1265 | } | |
1266 | } | |
1267 | ||
1268 | if(detamin < eMin && dphimax > pMax ){ | |
1269 | Float_t he = eMax + etaJet[k]; | |
1270 | Float_t hp = pMax - phiJet[k]; | |
1271 | Float_t rlim = TMath::Sqrt(pow(he,2)+pow(hp,2)); | |
1272 | Float_t alphae = TMath::ACos(he/rc); | |
1273 | Float_t alphap = TMath::ACos(hp/rc); | |
1274 | Float_t alphad = (alphae+alphap)/2-TMath::Pi()/4; | |
1275 | if(rlim <= rc){ | |
1276 | accetamin = rc*rc*alphae - he*TMath::Sqrt(rc*rc - he*he); | |
1277 | accphimax = rc*rc*alphap - hp*TMath::Sqrt(rc*rc - hp*hp); | |
1278 | } | |
1279 | if(rlim > rc){ | |
1280 | accetamin = rc*rc*alphae - he*TMath::Sqrt(rc*rc - he*he); | |
1281 | accphimax = rc*rc*alphap - hp*TMath::Sqrt(rc*rc - hp*hp)- | |
1282 | ((TMath::Sqrt(pow(rc,2)-pow(he,2))-hp)*(TMath::Sqrt(pow(rc,2)-pow(hp,2))-he))/2+ | |
1283 | rc*rc*alphad - rc*rc*TMath::Sin(alphad)*TMath::Cos(alphad); | |
1284 | } | |
1285 | } | |
1286 | ||
1287 | if(detamin < eMin && dphimin < pMin ){ | |
1288 | Float_t he = eMax + etaJet[k]; | |
1289 | Float_t hp = phiJet[k] - pMin; | |
1290 | Float_t rlim = TMath::Sqrt(pow(he,2)+pow(hp,2)); | |
1291 | Float_t alphae = TMath::ACos(he/rc); | |
1292 | Float_t alphap = TMath::ACos(hp/rc); | |
1293 | Float_t alphad = (alphae+alphap)/2-TMath::Pi()/4; | |
1294 | if(rlim <= rc){ | |
1295 | accetamin = rc*rc*alphae - he*TMath::Sqrt(rc*rc - he*he); | |
1296 | accphimin = rc*rc*alphap - hp*TMath::Sqrt(rc*rc - hp*hp); | |
1297 | } | |
1298 | if(rlim > rc){ | |
1299 | accetamin = rc*rc*alphae - he*TMath::Sqrt(rc*rc - he*he); | |
1300 | accphimin = rc*rc*alphap - hp*TMath::Sqrt(rc*rc - hp*hp)- | |
1301 | ((TMath::Sqrt(pow(rc,2)-pow(he,2))-hp)*(TMath::Sqrt(pow(rc,2)-pow(hp,2))-he))/2+ | |
1302 | rc*rc*alphad - rc*rc*TMath::Sin(alphad)*TMath::Cos(alphad); | |
1303 | } | |
1304 | } | |
1305 | areaJet[k] = rc*rc*TMath::Pi() - accetamax - accetamin - accphimax - accphimin; | |
1306 | areaOut = areaOut - areaJet[k]; | |
1307 | } // end loop on jets | |
1308 | ||
1309 | //subtract background using area method | |
1310 | for(Int_t ljet=0; ljet<nJ; ljet++){ | |
1311 | Float_t areaRatio = areaJet[ljet]/areaOut; | |
1312 | etJet[ljet] = etIn[ljet]-etOut*areaRatio; // subtraction | |
1313 | } | |
1314 | ||
1315 | // estimate new total background | |
1316 | Float_t areaT = 2*(header->GetLegoEtaMax()*header->GetLegoPhiMax()); | |
1317 | etbgTotalN = etOut*areaT/areaOut; | |
1318 | } | |
1319 | ||
1320 | } | |
1321 | ||
1322 | //////////////////////////////////////////////////////////////////////// | |
be6e5811 | 1323 | void AliUA1JetFinderV2::SubtractBackgC(const Int_t& nIn, const Int_t&nJ, Float_t&etbgTotalN, |
c345674e | 1324 | const Float_t* ptT, const Float_t* etaT, const Float_t* phiT, |
1325 | Float_t* const etJet, const Float_t* etaJet, const Float_t* phiJet, | |
1326 | Float_t* const etsigJet,Int_t* const multJet, Int_t* const injet) | |
8838ab7a | 1327 | { |
1328 | //background subtraction using cone method but without correction in dE/deta distribution | |
1329 | ||
1330 | //calculate energy inside and outside cones | |
1331 | AliUA1JetHeaderV1* header = (AliUA1JetHeaderV1*) fHeader; | |
1332 | Float_t rc= header->GetRadius(); | |
1333 | Float_t etIn[30]; | |
1334 | Float_t etOut = 0; | |
1335 | for(Int_t jpart = 0; jpart < nIn; jpart++){ // loop for all particles in array | |
1336 | // if((fReader->GetCutFlag(jpart)) != 1) continue; // pt cut | |
1337 | for(Int_t ijet=0; ijet<nJ; ijet++){ | |
1338 | Float_t deta = etaT[jpart] - etaJet[ijet]; | |
1339 | Float_t dphi = phiT[jpart] - phiJet[ijet]; | |
1340 | if (dphi < -TMath::Pi()) dphi= -dphi - 2.0 * TMath::Pi(); | |
1341 | if (dphi > TMath::Pi()) dphi = 2.0 * TMath::Pi() - dphi; | |
1342 | Float_t dr = TMath::Sqrt(deta * deta + dphi * dphi); | |
1343 | if(dr <= rc){ // particles inside this cone | |
1344 | multJet[ijet]++; | |
1345 | injet[jpart] = ijet; | |
1346 | if((fReader->GetCutFlag(jpart)) == 1){ // pt cut | |
1347 | etIn[ijet] += ptT[jpart]; | |
1348 | if(fReader->GetSignalFlag(jpart) == 1) etsigJet[ijet]+= ptT[jpart]; | |
1349 | } | |
1350 | break; | |
1351 | } | |
1352 | }// end jets loop | |
1353 | if(injet[jpart] == -1 && fReader->GetCutFlag(jpart) == 1) | |
1354 | etOut += ptT[jpart]; // particle outside cones and pt cut | |
1355 | } //end particle loop | |
1356 | ||
1357 | //estimate jets and background areas | |
1358 | Float_t areaJet[30]; | |
1359 | Float_t areaOut = 4*(header->GetLegoEtaMax())*TMath::Pi(); | |
1360 | for(Int_t k=0; k<nJ; k++){ | |
1361 | Float_t detamax = etaJet[k] + rc; | |
1362 | Float_t detamin = etaJet[k] - rc; | |
1363 | Float_t accmax = 0.0; Float_t accmin = 0.0; | |
1364 | if(detamax > header->GetLegoEtaMax()){ // sector outside etamax | |
1365 | Float_t h = header->GetLegoEtaMax() - etaJet[k]; | |
1366 | accmax = rc*rc*TMath::ACos(h/rc) - h*TMath::Sqrt(rc*rc - h*h); | |
1367 | } | |
1368 | if(detamin < header->GetLegoEtaMin()){ // sector outside etamin | |
1369 | Float_t h = header->GetLegoEtaMax() + etaJet[k]; | |
1370 | accmin = rc*rc*TMath::ACos(h/rc) - h*TMath::Sqrt(rc*rc - h*h); | |
1371 | } | |
1372 | areaJet[k] = rc*rc*TMath::Pi() - accmax - accmin; | |
1373 | areaOut = areaOut - areaJet[k]; | |
ee7de0dd | 1374 | } |
1375 | //subtract background using area method | |
1376 | for(Int_t ljet=0; ljet<nJ; ljet++){ | |
8838ab7a | 1377 | Float_t areaRatio = areaJet[ljet]/areaOut; |
1378 | etJet[ljet] = etIn[ljet]-etOut*areaRatio; // subtraction | |
ee7de0dd | 1379 | } |
8838ab7a | 1380 | |
ee7de0dd | 1381 | // estimate new total background |
1382 | Float_t areaT = 4*(header->GetLegoEtaMax())*TMath::Pi(); | |
1383 | etbgTotalN = etOut*areaT/areaOut; | |
8838ab7a | 1384 | |
ee7de0dd | 1385 | } |
1386 | ||
ee7de0dd | 1387 | |
8838ab7a | 1388 | //////////////////////////////////////////////////////////////////////// |
be6e5811 | 1389 | void AliUA1JetFinderV2::SubtractBackgStat(const Int_t& nIn, const Int_t&nJ,Float_t&etbgTotalN, |
c345674e | 1390 | const Float_t* ptT, const Float_t* etaT, const Float_t* phiT, const Int_t* cFlagT, |
1391 | const Int_t* sFlagT, Float_t* const etJet, const Float_t* etaJet, const Float_t* phiJet, | |
1392 | Float_t* const etsigJet, Int_t* const multJet, Int_t* const injet) | |
ee7de0dd | 1393 | { |
1394 | ||
1395 | //background subtraction using statistical method | |
1396 | AliUA1JetHeaderV1* header = (AliUA1JetHeaderV1*) fHeader; | |
1397 | Float_t etbgStat = header->GetBackgStat(); // pre-calculated background | |
8838ab7a | 1398 | |
ee7de0dd | 1399 | //calculate energy inside |
1400 | Float_t rc= header->GetRadius(); | |
1401 | Float_t etIn[30]; | |
8838ab7a | 1402 | |
1403 | for(Int_t jpart = 0; jpart < nIn; jpart++) | |
1404 | { // loop for all particles in array | |
1405 | ||
1406 | for(Int_t ijet=0; ijet<nJ; ijet++) | |
1407 | { | |
1408 | Float_t deta = etaT[jpart] - etaJet[ijet]; | |
1409 | Float_t dphi = phiT[jpart] - phiJet[ijet]; | |
1410 | if (dphi < -TMath::Pi()) dphi= -dphi - 2.0 * TMath::Pi(); | |
1411 | if (dphi > TMath::Pi()) dphi = 2.0 * TMath::Pi() - dphi; | |
1412 | Float_t dr = TMath::Sqrt(deta * deta + dphi * dphi); | |
1413 | if(dr <= rc){ // particles inside this cone | |
1414 | multJet[ijet]++; | |
1415 | injet[jpart] = ijet; | |
1416 | if(cFlagT[jpart] == 1){ // pt cut | |
1417 | etIn[ijet]+= ptT[jpart]; | |
1418 | if(sFlagT[jpart] == 1) etsigJet[ijet] += ptT[jpart]; | |
1419 | } | |
1420 | break; | |
1421 | } | |
1422 | }// end jets loop | |
1423 | } //end particle loop | |
1424 | ||
ee7de0dd | 1425 | //calc jets areas |
1426 | Float_t areaJet[30]; | |
1427 | Float_t areaOut = 4*(header->GetLegoEtaMax())*TMath::Pi(); | |
8838ab7a | 1428 | for(Int_t k=0; k<nJ; k++) |
1429 | { | |
ee7de0dd | 1430 | Float_t detamax = etaJet[k] + rc; |
1431 | Float_t detamin = etaJet[k] - rc; | |
1432 | Float_t accmax = 0.0; Float_t accmin = 0.0; | |
1433 | if(detamax > header->GetLegoEtaMax()){ // sector outside etamax | |
8838ab7a | 1434 | Float_t h = header->GetLegoEtaMax() - etaJet[k]; |
1435 | accmax = rc*rc*TMath::ACos(h/rc) - h*TMath::Sqrt(rc*rc - h*h); | |
ee7de0dd | 1436 | } |
1437 | if(detamin < header->GetLegoEtaMin()){ // sector outside etamin | |
8838ab7a | 1438 | Float_t h = header->GetLegoEtaMax() + etaJet[k]; |
1439 | accmin = rc*rc*TMath::ACos(h/rc) - h*TMath::Sqrt(rc*rc - h*h); | |
ee7de0dd | 1440 | } |
1441 | areaJet[k] = rc*rc*TMath::Pi() - accmax - accmin; | |
8838ab7a | 1442 | } |
ee7de0dd | 1443 | |
1444 | //subtract background using area method | |
1445 | for(Int_t ljet=0; ljet<nJ; ljet++){ | |
8838ab7a | 1446 | Float_t areaRatio = areaJet[ljet]/areaOut; |
1447 | etJet[ljet] = etIn[ljet]-etbgStat*areaRatio; // subtraction | |
ee7de0dd | 1448 | } |
8838ab7a | 1449 | |
ee7de0dd | 1450 | etbgTotalN = etbgStat; |
ee7de0dd | 1451 | } |
1452 | ||
1453 | //////////////////////////////////////////////////////////////////////// | |
c345674e | 1454 | void AliUA1JetFinderV2::SubtractBackgCone(const Int_t& nIn, const Int_t&nJ,Float_t& etbgTotalN, |
1455 | Float_t* ptT, Float_t* etaT, const Float_t* phiT, const Int_t* cFlagT, const Int_t* sFlagT, | |
1456 | Float_t* const etJet, const Float_t* etaJet, const Float_t* phiJet, | |
1457 | Float_t* const etsigJet, Int_t* const multJet, Int_t* const injet) | |
ee7de0dd | 1458 | { |
8838ab7a | 1459 | // Cone background subtraction method taking into acount dEt/deta distribution |
1460 | AliUA1JetHeaderV1* header = (AliUA1JetHeaderV1*) fHeader; | |
1461 | //general | |
1462 | Float_t rc= header->GetRadius(); | |
1463 | Float_t etamax = header->GetLegoEtaMax(); | |
1464 | Float_t etamin = header->GetLegoEtaMin(); | |
1465 | Int_t ndiv = 100; | |
1466 | ||
1467 | // jet energy and area arrays | |
1468 | TH1F* hEtJet[30]; | |
1469 | TH1F* hAreaJet[30]; | |
1470 | for(Int_t mjet=0; mjet<nJ; mjet++){ | |
1471 | char hEtname[256]; char hAreaname[256]; | |
1472 | sprintf(hEtname, "hEtJet%d", mjet); sprintf(hAreaname, "hAreaJet%d", mjet); | |
1473 | hEtJet[mjet] = new TH1F(hEtname,"et dist in eta ",ndiv,etamin,etamax); | |
1474 | hAreaJet[mjet] = new TH1F(hAreaname,"area dist in eta ",ndiv,etamin,etamax); | |
ee7de0dd | 1475 | } |
8838ab7a | 1476 | // background energy and area |
1477 | TH1F* hEtBackg = new TH1F("hEtBackg"," backg et dist in eta ",ndiv,etamin,etamax); | |
1478 | TH1F* hAreaBackg = new TH1F("hAreaBackg","backg area dist in eta ",ndiv,etamin,etamax); | |
1479 | ||
1480 | //fill energies | |
1481 | for(Int_t jpart = 0; jpart < nIn; jpart++){ // loop for all particles in array | |
1482 | for(Int_t ijet=0; ijet<nJ; ijet++){ // loop for all jets | |
1483 | Float_t deta = etaT[jpart] - etaJet[ijet]; | |
1484 | Float_t dphi = phiT[jpart] - phiJet[ijet]; | |
1485 | if (dphi < -TMath::Pi()) dphi= -dphi - 2.0 * TMath::Pi(); | |
1486 | if (dphi > TMath::Pi()) dphi = 2.0 * TMath::Pi() - dphi; | |
1487 | Float_t dr = TMath::Sqrt(deta * deta + dphi * dphi); | |
1488 | if(dr <= rc){ // particles inside this cone | |
1489 | injet[jpart] = ijet; | |
1490 | multJet[ijet]++; | |
1491 | if(cFlagT[jpart] == 1){// pt cut | |
1492 | hEtJet[ijet]->Fill(etaT[jpart],ptT[jpart]); //particle inside cone | |
1493 | if(sFlagT[jpart] == 1) etsigJet[ijet] += ptT[jpart]; | |
1494 | } | |
1495 | break; | |
1496 | } | |
1497 | }// end jets loop | |
1498 | ||
1499 | if(injet[jpart] == -1 && cFlagT[jpart] == 1) | |
1500 | hEtBackg->Fill(etaT[jpart],ptT[jpart]); // particle outside cones | |
ee7de0dd | 1501 | } //end particle loop |
1502 | ||
8838ab7a | 1503 | //calc areas |
1504 | Float_t eta0 = etamin; | |
1505 | Float_t etaw = (etamax - etamin)/((Float_t)ndiv); | |
1506 | Float_t eta1 = eta0 + etaw; | |
1507 | for(Int_t etabin = 0; etabin< ndiv; etabin++){ // loop for all eta bins | |
1508 | Float_t etac = eta0 + etaw/2.0; | |
1509 | Float_t areabg = etaw*2.0*TMath::Pi(); | |
1510 | for(Int_t ijet=0; ijet<nJ; ijet++){ // loop for all jets | |
1511 | Float_t deta0 = TMath::Abs(eta0 - etaJet[ijet]); | |
1512 | Float_t deta1 = TMath::Abs(eta1 - etaJet[ijet]); | |
1513 | Float_t acc0 = 0.0; Float_t acc1 = 0.0; | |
1514 | Float_t areaj = 0.0; | |
1515 | if(deta0 > rc && deta1 < rc){ | |
1516 | acc1 = rc*rc*TMath::ACos(deta1/rc) - deta1*TMath::Sqrt(rc*rc - deta1*deta1); | |
1517 | areaj = acc1; | |
1518 | } | |
1519 | if(deta0 < rc && deta1 > rc){ | |
1520 | acc0 = rc*rc*TMath::ACos(deta0/rc) - deta0*TMath::Sqrt(rc*rc - deta0*deta0); | |
1521 | areaj = acc0; | |
1522 | } | |
1523 | if(deta0 < rc && deta1 < rc){ | |
1524 | acc0 = rc*rc*TMath::ACos(deta0/rc) - deta0*TMath::Sqrt(rc*rc - deta0*deta0); | |
1525 | acc1 = rc*rc*TMath::ACos(deta1/rc) - deta1*TMath::Sqrt(rc*rc - deta1*deta1); | |
1526 | if(eta1<etaJet[ijet]) areaj = acc1-acc0; // case 1 | |
1527 | if((eta0 < etaJet[ijet]) && (etaJet[ijet]<eta1)) areaj = rc*rc*TMath::Pi() - acc1 -acc0; // case 2 | |
1528 | if(etaJet[ijet] < eta0) areaj = acc0 -acc1; // case 3 | |
1529 | } | |
1530 | hAreaJet[ijet]->Fill(etac,areaj); | |
1531 | areabg = areabg - areaj; | |
1532 | } // end jets loop | |
1533 | hAreaBackg->Fill(etac,areabg); | |
1534 | eta0 = eta1; | |
1535 | eta1 = eta1 + etaw; | |
1536 | } // end loop for all eta bins | |
1537 | ||
1538 | //subtract background | |
1539 | for(Int_t kjet=0; kjet<nJ; kjet++){ | |
1540 | etJet[kjet] = 0.0; // first clear etJet for this jet | |
1541 | for(Int_t bin = 0; bin< ndiv; bin++){ | |
1542 | if(hAreaJet[kjet]->GetBinContent(bin)){ | |
1543 | Float_t areab = hAreaBackg->GetBinContent(bin); | |
1544 | Float_t etb = hEtBackg->GetBinContent(bin); | |
1545 | Float_t areaR = (hAreaJet[kjet]->GetBinContent(bin))/areab; | |
1546 | etJet[kjet] = etJet[kjet] + ((hEtJet[kjet]->GetBinContent(bin)) - etb*areaR); //subtraction | |
1547 | } | |
1548 | } | |
1549 | } | |
ee7de0dd | 1550 | |
8838ab7a | 1551 | // calc background total |
1552 | Double_t etOut = hEtBackg->Integral(); | |
1553 | Double_t areaOut = hAreaBackg->Integral(); | |
1554 | Float_t areaT = 4*(header->GetLegoEtaMax())*TMath::Pi(); | |
1555 | etbgTotalN = etOut*areaT/areaOut; | |
1556 | ||
1557 | //delete | |
1558 | for(Int_t ljet=0; ljet<nJ; ljet++){ // loop for all jets | |
1559 | delete hEtJet[ljet]; | |
1560 | delete hAreaJet[ljet]; | |
1561 | } | |
ee7de0dd | 1562 | |
8838ab7a | 1563 | delete hEtBackg; |
1564 | delete hAreaBackg; | |
1565 | } | |
ee7de0dd | 1566 | |
8838ab7a | 1567 | //////////////////////////////////////////////////////////////////////// |
be6e5811 | 1568 | void AliUA1JetFinderV2::SubtractBackgRatio(const Int_t& nIn, const Int_t&nJ,Float_t& etbgTotalN, |
c345674e | 1569 | Float_t* ptT, Float_t* etaT, const Float_t* phiT, const Int_t* cFlagT, const Int_t* sFlagT, |
1570 | Float_t* const etJet, const Float_t* etaJet, const Float_t* phiJet, | |
1571 | Float_t* const etsigJet, Int_t* const multJet, Int_t* const injet) | |
ee7de0dd | 1572 | { |
8838ab7a | 1573 | // Ratio background subtraction method taking into acount dEt/deta distribution |
1574 | AliUA1JetHeaderV1* header = (AliUA1JetHeaderV1*) fHeader; | |
1575 | //factor F calc before | |
1576 | Float_t bgRatioCut = header->GetBackgCutRatio(); | |
1577 | ||
1578 | //general | |
1579 | Float_t rc= header->GetRadius(); | |
1580 | Float_t etamax = header->GetLegoEtaMax(); | |
1581 | Float_t etamin = header->GetLegoEtaMin(); | |
1582 | Int_t ndiv = 100; | |
1583 | ||
1584 | // jet energy and area arrays | |
1585 | TH1F* hEtJet[30]; | |
1586 | TH1F* hAreaJet[30]; | |
1587 | for(Int_t mjet=0; mjet<nJ; mjet++){ | |
1588 | char hEtname[256]; char hAreaname[256]; | |
1589 | sprintf(hEtname, "hEtJet%d", mjet); sprintf(hAreaname, "hAreaJet%d", mjet); | |
1590 | hEtJet[mjet] = new TH1F(hEtname,"et dist in eta ",ndiv,etamin,etamax); // change range | |
1591 | hAreaJet[mjet] = new TH1F(hAreaname,"area dist in eta ",ndiv,etamin,etamax); // change range | |
ee7de0dd | 1592 | } |
8838ab7a | 1593 | // background energy and area |
1594 | TH1F* hEtBackg = new TH1F("hEtBackg"," backg et dist in eta ",ndiv,etamin,etamax); // change range | |
1595 | TH1F* hAreaBackg = new TH1F("hAreaBackg","backg area dist in eta ",ndiv,etamin,etamax); // change range | |
1596 | ||
1597 | //fill energies | |
1598 | for(Int_t jpart = 0; jpart < nIn; jpart++){ // loop for all particles in array | |
1599 | for(Int_t ijet=0; ijet<nJ; ijet++){ // loop for all jets | |
1600 | Float_t deta = etaT[jpart] - etaJet[ijet]; | |
1601 | Float_t dphi = phiT[jpart] - phiJet[ijet]; | |
1602 | if (dphi < -TMath::Pi()) dphi= -dphi - 2.0 * TMath::Pi(); | |
1603 | if (dphi > TMath::Pi()) dphi = 2.0 * TMath::Pi() - dphi; | |
1604 | Float_t dr = TMath::Sqrt(deta * deta + dphi * dphi); | |
1605 | if(dr <= rc){ // particles inside this cone | |
1606 | multJet[ijet]++; | |
1607 | injet[jpart] = ijet; | |
1608 | if(cFlagT[jpart] == 1){ //pt cut | |
1609 | hEtJet[ijet]->Fill(etaT[jpart],ptT[jpart]); //particle inside cone and pt cut | |
1610 | if(sFlagT[jpart] == 1) etsigJet[ijet] += ptT[jpart]; | |
1611 | } | |
1612 | break; | |
1613 | } | |
1614 | }// end jets loop | |
1615 | if(injet[jpart] == -1) hEtBackg->Fill(etaT[jpart],ptT[jpart]); // particle outside cones | |
ee7de0dd | 1616 | } //end particle loop |
1617 | ||
8838ab7a | 1618 | //calc areas |
1619 | Float_t eta0 = etamin; | |
1620 | Float_t etaw = (etamax - etamin)/((Float_t)ndiv); | |
1621 | Float_t eta1 = eta0 + etaw; | |
1622 | for(Int_t etabin = 0; etabin< ndiv; etabin++){ // loop for all eta bins | |
1623 | Float_t etac = eta0 + etaw/2.0; | |
1624 | Float_t areabg = etaw*2.0*TMath::Pi(); | |
1625 | for(Int_t ijet=0; ijet<nJ; ijet++){ // loop for all jets | |
1626 | Float_t deta0 = TMath::Abs(eta0 - etaJet[ijet]); | |
1627 | Float_t deta1 = TMath::Abs(eta1 - etaJet[ijet]); | |
1628 | Float_t acc0 = 0.0; Float_t acc1 = 0.0; | |
1629 | Float_t areaj = 0.0; | |
1630 | if(deta0 > rc && deta1 < rc){ | |
1631 | acc1 = rc*rc*TMath::ACos(deta1/rc) - deta1*TMath::Sqrt(rc*rc - deta1*deta1); | |
1632 | areaj = acc1; | |
1633 | } | |
1634 | if(deta0 < rc && deta1 > rc){ | |
1635 | acc0 = rc*rc*TMath::ACos(deta0/rc) - deta0*TMath::Sqrt(rc*rc - deta0*deta0); | |
1636 | areaj = acc0; | |
1637 | } | |
1638 | if(deta0 < rc && deta1 < rc){ | |
1639 | acc0 = rc*rc*TMath::ACos(deta0/rc) - deta0*TMath::Sqrt(rc*rc - deta0*deta0); | |
1640 | acc1 = rc*rc*TMath::ACos(deta1/rc) - deta1*TMath::Sqrt(rc*rc - deta1*deta1); | |
1641 | if(eta1<etaJet[ijet]) areaj = acc1-acc0; // case 1 | |
1642 | if((eta0 < etaJet[ijet]) && (etaJet[ijet]<eta1)) areaj = rc*rc*TMath::Pi() - acc1 -acc0; // case 2 | |
1643 | if(etaJet[ijet] < eta0) areaj = acc0 -acc1; // case 3 | |
1644 | } | |
1645 | hAreaJet[ijet]->Fill(etac,areaj); | |
1646 | areabg = areabg - areaj; | |
1647 | } // end jets loop | |
1648 | hAreaBackg->Fill(etac,areabg); | |
1649 | eta0 = eta1; | |
1650 | eta1 = eta1 + etaw; | |
1651 | } // end loop for all eta bins | |
1652 | ||
1653 | //subtract background | |
1654 | for(Int_t kjet=0; kjet<nJ; kjet++){ | |
1655 | etJet[kjet] = 0.0; // first clear etJet for this jet | |
1656 | for(Int_t bin = 0; bin< ndiv; bin++){ | |
1657 | if(hAreaJet[kjet]->GetBinContent(bin)){ | |
1658 | Float_t areab = hAreaBackg->GetBinContent(bin); | |
1659 | Float_t etb = hEtBackg->GetBinContent(bin); | |
1660 | Float_t areaR = (hAreaJet[kjet]->GetBinContent(bin))/areab; | |
1661 | etJet[kjet] = etJet[kjet] + ((hEtJet[kjet]->GetBinContent(bin)) - etb*areaR*bgRatioCut); //subtraction | |
1662 | } | |
1663 | } | |
1664 | } | |
1665 | ||
1666 | // calc background total | |
1667 | Double_t etOut = hEtBackg->Integral(); | |
1668 | Double_t areaOut = hAreaBackg->Integral(); | |
1669 | Float_t areaT = 4*(header->GetLegoEtaMax())*TMath::Pi(); | |
1670 | etbgTotalN = etOut*areaT/areaOut; | |
1671 | ||
1672 | //delete | |
1673 | for(Int_t ljet=0; ljet<nJ; ljet++){ // loop for all jets | |
1674 | delete hEtJet[ljet]; | |
1675 | delete hAreaJet[ljet]; | |
1676 | } | |
1677 | ||
1678 | delete hEtBackg; | |
1679 | delete hAreaBackg; | |
ee7de0dd | 1680 | } |
1681 | ||
1682 | //////////////////////////////////////////////////////////////////////// | |
ee7de0dd | 1683 | void AliUA1JetFinderV2::Reset() |
1684 | { | |
1685 | fLego->Reset(); | |
ee7de0dd | 1686 | AliJetFinder::Reset(); |
1687 | } | |
1688 | ||
1689 | //////////////////////////////////////////////////////////////////////// | |
446dbc09 | 1690 | void AliUA1JetFinderV2::WriteJHeaderToFile() const |
ee7de0dd | 1691 | { |
1692 | AliUA1JetHeaderV1* header = (AliUA1JetHeaderV1*) fHeader; | |
1693 | header->Write(); | |
1694 | } | |
1695 | ||
1696 | //////////////////////////////////////////////////////////////////////// | |
8838ab7a | 1697 | void AliUA1JetFinderV2::InitTask(TChain* tree) |
ee7de0dd | 1698 | { |
8838ab7a | 1699 | |
ee7de0dd | 1700 | // initializes some variables |
1701 | AliUA1JetHeaderV1* header = (AliUA1JetHeaderV1*) fHeader; | |
8838ab7a | 1702 | // book lego |
1703 | fLego = new TH2F("legoH","eta-phi", | |
1704 | header->GetLegoNbinEta(), header->GetLegoEtaMin(), | |
1705 | header->GetLegoEtaMax(), header->GetLegoNbinPhi(), | |
1706 | header->GetLegoPhiMin(), header->GetLegoPhiMax()); | |
1707 | ||
cc6a2227 | 1708 | fDebug = fHeader->GetDebug(); |
ee7de0dd | 1709 | fOpt = fReader->GetReaderHeader()->GetDetector(); |
8838ab7a | 1710 | |
1711 | // Tasks initialization | |
ee7de0dd | 1712 | if(fOpt>0) |
8838ab7a | 1713 | fReader->CreateTasks(tree); |
ee7de0dd | 1714 | |
1715 | } |