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