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542ac102 | 1 | // |
2 | // Emcal jet finder task. | |
3 | // | |
8082a80b | 4 | // Authors: C.Loizides, S.Aiola, M. Verweij |
48d874ff | 5 | |
c64cb1f6 | 6 | #include <vector> |
04905231 | 7 | #include "AliEmcalJetTask.h" |
8 | ||
6ea168d0 | 9 | #include <TChain.h> |
48d874ff | 10 | #include <TClonesArray.h> |
6ea168d0 | 11 | #include <TList.h> |
12 | #include <TLorentzVector.h> | |
ca5c29fa | 13 | #include <TMath.h> |
6421eeb0 | 14 | #include <TRandom3.h> |
b65fac7a | 15 | |
48d874ff | 16 | #include "AliAnalysisManager.h" |
6ea168d0 | 17 | #include "AliCentrality.h" |
f5f3c8e9 | 18 | #include "AliEMCALGeometry.h" |
04905231 | 19 | #include "AliESDEvent.h" |
f5f3c8e9 | 20 | #include "AliEmcalJet.h" |
04905231 | 21 | #include "AliEmcalParticle.h" |
63206072 | 22 | #include "AliFJWrapper.h" |
04905231 | 23 | #include "AliMCEvent.h" |
35789a2d | 24 | #include "AliVCluster.h" |
b65fac7a | 25 | #include "AliVEvent.h" |
04905231 | 26 | #include "AliVParticle.h" |
8082a80b | 27 | #include "AliRhoParameter.h" |
c2aad3ae | 28 | using std::cout; |
29 | using std::endl; | |
30 | using std::cerr; | |
48d874ff | 31 | |
914d486c | 32 | ClassImp(AliEmcalJetTask) |
48d874ff | 33 | |
6ea168d0 | 34 | //________________________________________________________________________ |
914d486c | 35 | AliEmcalJetTask::AliEmcalJetTask() : |
36 | AliAnalysisTaskSE("AliEmcalJetTask"), | |
6ea168d0 | 37 | fTracksName("Tracks"), |
38 | fCaloName("CaloClusters"), | |
39 | fJetsName("Jets"), | |
8082a80b | 40 | fJetsSubName(""), |
6a20534a | 41 | fJetType(kNone), |
d1f2e0d9 | 42 | fConstSel(0), |
43 | fMCConstSel(0), | |
6a20534a | 44 | fMarkConst(kFALSE), |
6ea168d0 | 45 | fRadius(0.4), |
914d486c | 46 | fMinJetTrackPt(0.15), |
47 | fMinJetClusPt(0.15), | |
04905231 | 48 | fPhiMin(0), |
49 | fPhiMax(TMath::TwoPi()), | |
83086e6c | 50 | fEtaMin(-0.9), |
51 | fEtaMax(+0.9), | |
cba7b46e | 52 | fMinJetArea(0.005), |
f5f3c8e9 | 53 | fMinJetPt(1.0), |
c9ad772c | 54 | fJetPhiMin(-10), |
83086e6c | 55 | fJetPhiMax(+10), |
c9ad772c | 56 | fJetEtaMin(-1), |
83086e6c | 57 | fJetEtaMax(+1), |
cba7b46e | 58 | fGhostArea(0.005), |
a7477843 | 59 | fMinMCLabel(0), |
751cb2dc | 60 | fRecombScheme(fastjet::pt_scheme), |
6421eeb0 | 61 | fTrackEfficiency(1.), |
bf9072ca | 62 | fMCFlag(0), |
63 | fGeneratorIndex(-1), | |
04905231 | 64 | fIsInit(0), |
83c097da | 65 | fLocked(0), |
d14d6e2c | 66 | fIsPSelSet(0), |
04905231 | 67 | fIsMcPart(0), |
68 | fIsEmcPart(0), | |
5d0a5007 | 69 | fLegacyMode(kFALSE), |
ffdca6aa | 70 | fCodeDebug(kFALSE), |
726c9488 | 71 | fDoGenericSubtractionJetMass(kFALSE), |
72 | fDoGenericSubtractionGR(kFALSE), | |
8082a80b | 73 | fDoConstituentSubtraction(kFALSE), |
74 | fUseExternalBkg(kFALSE), | |
75 | fRhoName(""), | |
76 | fRhomName(""), | |
77 | fRho(0), | |
78 | fRhom(0), | |
726c9488 | 79 | fRMax(0.4), |
80 | fDRStep(0.04), | |
81 | fPtMinGR(40.), | |
b65fac7a | 82 | fJets(0), |
8082a80b | 83 | fJetsSub(0), |
04905231 | 84 | fEvent(0), |
85 | fTracks(0), | |
8082a80b | 86 | fClus(0), |
87 | fRhoParam(0), | |
88 | fRhomParam(0) | |
6ea168d0 | 89 | { |
90 | // Default constructor. | |
6ea168d0 | 91 | } |
92 | ||
48d874ff | 93 | //________________________________________________________________________ |
914d486c | 94 | AliEmcalJetTask::AliEmcalJetTask(const char *name) : |
63206072 | 95 | AliAnalysisTaskSE(name), |
7efbea04 | 96 | fTracksName("Tracks"), |
48d874ff | 97 | fCaloName("CaloClusters"), |
7efbea04 | 98 | fJetsName("Jets"), |
8082a80b | 99 | fJetsSubName(""), |
6a20534a | 100 | fJetType(kAKT|kFullJet|kRX1Jet), |
d1f2e0d9 | 101 | fConstSel(0), |
102 | fMCConstSel(0), | |
6a20534a | 103 | fMarkConst(kFALSE), |
48d874ff | 104 | fRadius(0.4), |
6ea168d0 | 105 | fMinJetTrackPt(0.15), |
914d486c | 106 | fMinJetClusPt(0.15), |
04905231 | 107 | fPhiMin(0), |
108 | fPhiMax(TMath::TwoPi()), | |
83086e6c | 109 | fEtaMin(-0.9), |
110 | fEtaMax(+0.9), | |
cba7b46e | 111 | fMinJetArea(0.001), |
f5f3c8e9 | 112 | fMinJetPt(1.0), |
c9ad772c | 113 | fJetPhiMin(-10), |
83086e6c | 114 | fJetPhiMax(+10), |
c9ad772c | 115 | fJetEtaMin(-1), |
83086e6c | 116 | fJetEtaMax(+1), |
cba7b46e | 117 | fGhostArea(0.005), |
a7477843 | 118 | fMinMCLabel(0), |
751cb2dc | 119 | fRecombScheme(fastjet::pt_scheme), |
6421eeb0 | 120 | fTrackEfficiency(1.), |
bf9072ca | 121 | fMCFlag(0), |
122 | fGeneratorIndex(-1), | |
04905231 | 123 | fIsInit(0), |
83c097da | 124 | fLocked(0), |
d14d6e2c | 125 | fIsPSelSet(0), |
04905231 | 126 | fIsMcPart(0), |
127 | fIsEmcPart(0), | |
31bab07e | 128 | fLegacyMode(kFALSE), |
ffdca6aa | 129 | fCodeDebug(kFALSE), |
726c9488 | 130 | fDoGenericSubtractionJetMass(kFALSE), |
131 | fDoGenericSubtractionGR(kFALSE), | |
8082a80b | 132 | fDoConstituentSubtraction(kFALSE), |
133 | fUseExternalBkg(kFALSE), | |
134 | fRhoName(""), | |
135 | fRhomName(""), | |
136 | fRho(0), | |
137 | fRhom(0), | |
726c9488 | 138 | fRMax(0.4), |
139 | fDRStep(0.04), | |
140 | fPtMinGR(40.), | |
b65fac7a | 141 | fJets(0), |
8082a80b | 142 | fJetsSub(0), |
04905231 | 143 | fEvent(0), |
144 | fTracks(0), | |
8082a80b | 145 | fClus(0), |
146 | fRhoParam(0), | |
147 | fRhomParam(0) | |
48d874ff | 148 | { |
149 | // Standard constructor. | |
7efbea04 | 150 | |
7efbea04 | 151 | fBranchNames="ESD:AliESDRun.,AliESDHeader.,PrimaryVertex."; |
48d874ff | 152 | } |
153 | ||
154 | //________________________________________________________________________ | |
914d486c | 155 | AliEmcalJetTask::~AliEmcalJetTask() |
48d874ff | 156 | { |
157 | // Destructor | |
158 | } | |
159 | ||
160 | //________________________________________________________________________ | |
914d486c | 161 | void AliEmcalJetTask::UserCreateOutputObjects() |
48d874ff | 162 | { |
163 | // Create user objects. | |
164 | ||
914d486c | 165 | fJets = new TClonesArray("AliEmcalJet"); |
48d874ff | 166 | fJets->SetName(fJetsName); |
8082a80b | 167 | |
168 | if(!fJetsSubName.IsNull()) { | |
169 | fJetsSub = new TClonesArray("AliEmcalJet"); | |
170 | fJetsSub->SetName(fJetsSubName); | |
171 | } | |
48d874ff | 172 | } |
173 | ||
174 | //________________________________________________________________________ | |
914d486c | 175 | void AliEmcalJetTask::UserExec(Option_t *) |
48d874ff | 176 | { |
177 | // Main loop, called for each event. | |
04905231 | 178 | if (!fIsInit) { |
179 | if (!DoInit()) | |
180 | return; | |
181 | fIsInit = kTRUE; | |
1772fe65 | 182 | } |
b65fac7a | 183 | |
918dd8c8 | 184 | // clear the jet array (normally a null operation) |
185 | fJets->Delete(); | |
8082a80b | 186 | if(fJetsSub) fJetsSub->Delete(); |
918dd8c8 | 187 | |
04905231 | 188 | FindJets(); |
48d874ff | 189 | } |
190 | ||
191 | //________________________________________________________________________ | |
914d486c | 192 | void AliEmcalJetTask::Terminate(Option_t *) |
48d874ff | 193 | { |
194 | // Called once at the end of the analysis. | |
48d874ff | 195 | } |
196 | ||
197 | //________________________________________________________________________ | |
04905231 | 198 | void AliEmcalJetTask::FindJets() |
48d874ff | 199 | { |
200 | // Find jets. | |
3c5aff5d | 201 | if (!fTracks && !fClus){ |
202 | cout << "WARNING NO TRACKS OR CLUSTERS:" <<endl; | |
d03084cd | 203 | return; |
3c5aff5d | 204 | } |
205 | ||
8082a80b | 206 | if (fRhoParam) |
207 | fRho = fRhoParam->GetVal(); | |
208 | if (fRhomParam) | |
209 | fRhom = fRhomParam->GetVal(); | |
210 | ||
48d874ff | 211 | TString name("kt"); |
212 | fastjet::JetAlgorithm jalgo(fastjet::kt_algorithm); | |
6a20534a | 213 | if ((fJetType & kAKT) != 0) { |
48d874ff | 214 | name = "antikt"; |
215 | jalgo = fastjet::antikt_algorithm; | |
ca5c29fa | 216 | AliDebug(1,"Using AKT algorithm"); |
217 | } | |
218 | else { | |
219 | AliDebug(1,"Using KT algorithm"); | |
48d874ff | 220 | } |
221 | ||
6a20534a | 222 | if ((fJetType & kR020Jet) != 0) |
223 | fRadius = 0.2; | |
224 | else if ((fJetType & kR030Jet) != 0) | |
225 | fRadius = 0.3; | |
226 | else if ((fJetType & kR040Jet) != 0) | |
227 | fRadius = 0.4; | |
228 | ||
04905231 | 229 | // setup fj wrapper |
48d874ff | 230 | AliFJWrapper fjw(name, name); |
f5f3c8e9 | 231 | fjw.SetAreaType(fastjet::active_area_explicit_ghosts); |
1f9c287f | 232 | fjw.SetGhostArea(fGhostArea); |
04905231 | 233 | fjw.SetR(fRadius); |
7071e730 | 234 | fjw.SetAlgorithm(jalgo); |
31bab07e | 235 | fjw.SetRecombScheme(static_cast<fastjet::RecombinationScheme>(fRecombScheme)); |
83086e6c | 236 | fjw.SetMaxRap(fEtaMax); |
48d874ff | 237 | fjw.Clear(); |
238 | ||
04905231 | 239 | // get primary vertex |
240 | Double_t vertex[3] = {0, 0, 0}; | |
816bb2c8 | 241 | if(fEvent->GetPrimaryVertex()) fEvent->GetPrimaryVertex()->GetXYZ(vertex); |
04905231 | 242 | |
ca5c29fa | 243 | AliDebug(2,Form("Jet type = %d", fJetType)); |
6a20534a | 244 | |
245 | if ((fIsMcPart || ((fJetType & kFullJet) != 0) || ((fJetType & kChargedJet) != 0)) && fTracks) { | |
04905231 | 246 | const Int_t Ntracks = fTracks->GetEntries(); |
48d874ff | 247 | for (Int_t iTracks = 0; iTracks < Ntracks; ++iTracks) { |
04905231 | 248 | AliVParticle *t = static_cast<AliVParticle*>(fTracks->At(iTracks)); |
48d874ff | 249 | if (!t) |
250 | continue; | |
6a20534a | 251 | if (fIsMcPart) { |
5be3857d | 252 | if (((fJetType & kChargedJet) != 0) && (t->Charge() == 0)) { |
253 | AliDebug(2,Form("Skipping track %d because it is neutral.", iTracks)); | |
6a20534a | 254 | continue; |
5be3857d | 255 | } |
256 | if (((fJetType & kNeutralJet) != 0) && (t->Charge() != 0)) { | |
257 | AliDebug(2,Form("Skipping track %d because it is charged.", iTracks)); | |
6a20534a | 258 | continue; |
5be3857d | 259 | } |
6a20534a | 260 | } |
a7477843 | 261 | if (fIsMcPart || TMath::Abs(t->GetLabel()) > fMinMCLabel) { |
d1f2e0d9 | 262 | if (t->TestBits(fMCConstSel) != (Int_t)fMCConstSel) { |
263 | AliDebug(2,Form("Skipping track %d because it does not match the bit mask (%d, %d)", iTracks, fMCConstSel, t->TestBits(TObject::kBitMask))); | |
6a20534a | 264 | continue; |
265 | } | |
d1f2e0d9 | 266 | else { |
267 | AliDebug(2,Form("Track %d matches the bit mask (%d, %d)", iTracks, fMCConstSel, t->TestBits(TObject::kBitMask))); | |
ca5c29fa | 268 | } |
6a20534a | 269 | } |
270 | else { | |
d1f2e0d9 | 271 | if (t->TestBits(fConstSel) != (Int_t)fConstSel) { |
272 | AliDebug(2,Form("Skipping track %d because it does not match the bit mask (%d, %d)", iTracks, fConstSel, t->TestBits(TObject::kBitMask))); | |
6a20534a | 273 | continue; |
274 | } | |
d1f2e0d9 | 275 | else { |
276 | AliDebug(2,Form("Track %d matches the bit mask (%d, %d)", iTracks, fConstSel, t->TestBits(TObject::kBitMask))); | |
ca5c29fa | 277 | } |
bf9072ca | 278 | } |
279 | if ((t->GetFlag() & fMCFlag) != fMCFlag) { | |
280 | AliDebug(2,Form("Skipping track %d because it does not match the MC flags", iTracks)); | |
281 | continue; | |
282 | } | |
283 | if (fGeneratorIndex >= 0 && t->GetGeneratorIndex() != fGeneratorIndex) { | |
284 | AliDebug(2,Form("Skipping track %d because it does not match the MC generator index", iTracks)); | |
285 | continue; | |
286 | } | |
1772fe65 | 287 | if (t->Pt() < fMinJetTrackPt) |
914d486c | 288 | continue; |
04905231 | 289 | Double_t eta = t->Eta(); |
290 | Double_t phi = t->Phi(); | |
ddf74a88 | 291 | if ((eta<fEtaMin) || (eta>fEtaMax) || |
292 | (phi<fPhiMin) || (phi>fPhiMax)) | |
04905231 | 293 | continue; |
da67b88a | 294 | |
6421eeb0 | 295 | // artificial inefficiency |
296 | if (fTrackEfficiency < 1.) { | |
297 | Double_t rnd = gRandom->Rndm(); | |
298 | if (fTrackEfficiency < rnd) { | |
299 | AliDebug(2,Form("Track %d rejected due to artificial tracking inefficiency", iTracks)); | |
300 | continue; | |
301 | } | |
302 | } | |
303 | ||
a3c8c8c8 | 304 | // offset of 100 for consistency with cluster ids |
ca5c29fa | 305 | AliDebug(2,Form("Track %d accepted (label = %d, pt = %f)", iTracks, t->GetLabel(), t->Pt())); |
751cb2dc | 306 | fjw.AddInputVector(t->Px(), t->Py(), t->Pz(), t->E(), iTracks + 100); |
48d874ff | 307 | } |
308 | } | |
6ea168d0 | 309 | |
6a20534a | 310 | if ((((fJetType & kFullJet) != 0) || ((fJetType & kNeutralJet) != 0)) && fClus) { |
da67b88a | 311 | const Int_t Nclus = fClus->GetEntries(); |
312 | for (Int_t iClus = 0; iClus < Nclus; ++iClus) { | |
313 | AliVCluster *c = 0; | |
314 | Double_t cEta=0,cPhi=0,cPt=0; | |
315 | Double_t cPx=0,cPy=0,cPz=0; | |
316 | if (fIsEmcPart) { | |
317 | AliEmcalParticle *ep = static_cast<AliEmcalParticle*>(fClus->At(iClus)); | |
318 | if (!ep) | |
319 | continue; | |
6a20534a | 320 | |
da67b88a | 321 | c = ep->GetCluster(); |
322 | if (!c) | |
6a20534a | 323 | continue; |
324 | ||
a7477843 | 325 | if (c->GetLabel() > fMinMCLabel) { |
d1f2e0d9 | 326 | if (ep->TestBits(fMCConstSel) != (Int_t)fMCConstSel) { |
327 | AliDebug(2,Form("Skipping cluster %d because it does not match the bit mask (%d, %d)", iClus, fMCConstSel, ep->TestBits(TObject::kBitMask))); | |
6a20534a | 328 | continue; |
ca5c29fa | 329 | } |
d1f2e0d9 | 330 | else { |
331 | AliDebug(2,Form("Cluster %d matches the bit mask (%d, %d)", iClus, fMCConstSel, ep->TestBits(TObject::kBitMask))); | |
ca5c29fa | 332 | } |
6a20534a | 333 | } |
334 | else { | |
d1f2e0d9 | 335 | if (ep->TestBits(fConstSel) != (Int_t)fConstSel) { |
336 | AliDebug(2,Form("Skipping cluster %d because it does not match the bit mask (%d, %d)", iClus, fConstSel, ep->TestBits(TObject::kBitMask))); | |
6a20534a | 337 | continue; |
ca5c29fa | 338 | } |
d1f2e0d9 | 339 | else { |
340 | AliDebug(2,Form("Cluster %d matches the bit mask (%d, %d)", iClus, fConstSel, ep->TestBits(TObject::kBitMask))); | |
ca5c29fa | 341 | } |
6a20534a | 342 | } |
343 | ||
da67b88a | 344 | cEta = ep->Eta(); |
345 | cPhi = ep->Phi(); | |
346 | cPt = ep->Pt(); | |
347 | cPx = ep->Px(); | |
348 | cPy = ep->Py(); | |
349 | cPz = ep->Pz(); | |
350 | } else { | |
351 | c = static_cast<AliVCluster*>(fClus->At(iClus)); | |
352 | if (!c) | |
353 | continue; | |
6a20534a | 354 | |
a7477843 | 355 | if (c->GetLabel() > fMinMCLabel) { |
d1f2e0d9 | 356 | if (c->TestBits(fMCConstSel) != (Int_t)fMCConstSel) { |
357 | AliDebug(2,Form("Skipping cluster %d because it does not match the bit mask (%d, %d)", iClus, fMCConstSel, c->TestBits(TObject::kBitMask))); | |
6a20534a | 358 | continue; |
ca5c29fa | 359 | } |
d1f2e0d9 | 360 | else { |
361 | AliDebug(2,Form("Cluster %d matches the bit mask (%d, %d)", iClus, fMCConstSel, c->TestBits(TObject::kBitMask))); | |
ca5c29fa | 362 | } |
6a20534a | 363 | } |
364 | else { | |
d1f2e0d9 | 365 | if (c->TestBits(fConstSel) != (Int_t)fConstSel) { |
366 | AliDebug(2,Form("Skipping cluster %d because it does not match the bit mask (%d, %d)", iClus, fConstSel, c->TestBits(TObject::kBitMask))); | |
6a20534a | 367 | continue; |
ca5c29fa | 368 | } |
d1f2e0d9 | 369 | else { |
370 | AliDebug(2,Form("Cluster %d matches the bit mask (%d, %d)", iClus, fConstSel, c->TestBits(TObject::kBitMask))); | |
ca5c29fa | 371 | } |
6a20534a | 372 | } |
373 | ||
da67b88a | 374 | TLorentzVector nP; |
375 | c->GetMomentum(nP, vertex); | |
376 | cEta = nP.Eta(); | |
377 | cPhi = nP.Phi(); | |
378 | cPt = nP.Pt(); | |
379 | cPx = nP.Px(); | |
380 | cPy = nP.Py(); | |
381 | cPz = nP.Pz(); | |
04905231 | 382 | } |
da67b88a | 383 | if (!c->IsEMCAL()) |
384 | continue; | |
385 | if (cPt < fMinJetClusPt) | |
386 | continue; | |
ddf74a88 | 387 | if ((cEta<fEtaMin) || (cEta>fEtaMax) || |
388 | (cPhi<fPhiMin) || (cPhi>fPhiMax)) | |
da67b88a | 389 | continue; |
390 | // offset of 100 to skip ghost particles uid = -1 | |
ca5c29fa | 391 | AliDebug(2,Form("Cluster %d accepted (label = %d)", iClus, c->GetLabel())); |
f660c2d6 | 392 | fjw.AddInputVector(cPx, cPy, cPz, TMath::Sqrt(cPx*cPx+cPy*cPy+cPz*cPz), -iClus - 100); |
48d874ff | 393 | } |
394 | } | |
5d0a5007 | 395 | |
396 | // setting legacy mode | |
397 | if (fLegacyMode) { | |
398 | fjw.SetLegacyMode(kTRUE); | |
399 | } | |
400 | ||
7efbea04 | 401 | // run jet finder |
48d874ff | 402 | fjw.Run(); |
f5f3c8e9 | 403 | |
8082a80b | 404 | //run generic subtractor |
726c9488 | 405 | if(fDoGenericSubtractionJetMass) { |
8082a80b | 406 | fjw.SetUseExternalBkg(fUseExternalBkg,fRho,fRhom); |
407 | fjw.DoGenericSubtractionJetMass(); | |
408 | } | |
409 | ||
410 | //run constituent subtractor | |
411 | if(fDoConstituentSubtraction) { | |
412 | fjw.SetUseExternalBkg(fUseExternalBkg,fRho,fRhom); | |
413 | fjw.DoConstituentSubtraction(); | |
414 | } | |
415 | ||
f5f3c8e9 | 416 | // get geometry |
417 | AliEMCALGeometry *geom = AliEMCALGeometry::GetInstance(); | |
418 | if (!geom) { | |
02c7e943 | 419 | AliFatal(Form("%s: Can not create geometry", GetName())); |
f5f3c8e9 | 420 | return; |
421 | } | |
04905231 | 422 | |
423 | // loop over fastjet jets | |
48d874ff | 424 | std::vector<fastjet::PseudoJet> jets_incl = fjw.GetInclusiveJets(); |
ca5c29fa | 425 | // sort jets according to jet pt |
426 | static Int_t indexes[9999] = {-1}; | |
427 | GetSortedArray(indexes, jets_incl); | |
428 | ||
429 | AliDebug(1,Form("%d jets found", (Int_t)jets_incl.size())); | |
430 | for (UInt_t ijet=0, jetCount=0; ijet<jets_incl.size(); ++ijet) { | |
431 | Int_t ij = indexes[ijet]; | |
432 | AliDebug(3,Form("Jet pt = %f, area = %f", jets_incl[ij].perp(), fjw.GetJetArea(ij))); | |
433 | ||
f5f3c8e9 | 434 | if (jets_incl[ij].perp()<fMinJetPt) |
435 | continue; | |
436 | if (fjw.GetJetArea(ij)<fMinJetArea) | |
48d874ff | 437 | continue; |
c9ad772c | 438 | if ((jets_incl[ij].eta()<fJetEtaMin) || (jets_incl[ij].eta()>fJetEtaMax) || |
439 | (jets_incl[ij].phi()<fJetPhiMin) || (jets_incl[ij].phi()>fJetPhiMax)) | |
440 | continue; | |
04905231 | 441 | |
914d486c | 442 | AliEmcalJet *jet = new ((*fJets)[jetCount]) |
443 | AliEmcalJet(jets_incl[ij].perp(), jets_incl[ij].eta(), jets_incl[ij].phi(), jets_incl[ij].m()); | |
8082a80b | 444 | jet->SetLabel(ij); |
445 | ||
446 | //do generic subtraction if requested | |
93daf3f7 | 447 | #ifdef FASTJET_VERSION |
726c9488 | 448 | if(fDoGenericSubtractionJetMass) { |
8082a80b | 449 | std::vector<fastjet::contrib::GenericSubtractorInfo> jetMassInfo = fjw.GetGenSubtractorInfoJetMass(); |
1fd2a48e | 450 | Int_t n = (Int_t)jetMassInfo.size(); |
8082a80b | 451 | if(n>ij && n>0) { |
726c9488 | 452 | jet->SetFirstDerivative(jetMassInfo[ij].first_derivative()); |
453 | jet->SetSecondDerivative(jetMassInfo[ij].second_derivative()); | |
454 | jet->SetFirstOrderSubtracted(jetMassInfo[ij].first_order_subtracted()); | |
455 | jet->SetSecondOrderSubtracted(jetMassInfo[ij].second_order_subtracted()); | |
8082a80b | 456 | } |
8082a80b | 457 | } |
726c9488 | 458 | //here do generic subtraction for angular structure function |
459 | Double_t ptcorr = jets_incl[ij].perp()-fjw.GetJetArea(ij)*fRho; | |
460 | fRMax = fRadius+0.2; | |
461 | if(fDoGenericSubtractionGR && ptcorr>fPtMinGR) { | |
462 | fjw.SetUseExternalBkg(fUseExternalBkg,fRho,fRhom); | |
463 | fjw.SetRMaxAndStep(fRMax,fDRStep); | |
464 | fjw.DoGenericSubtractionGR(ij); | |
465 | std::vector<double> num = fjw.GetGRNumerator(); | |
466 | std::vector<double> den = fjw.GetGRDenominator(); | |
467 | std::vector<double> nums = fjw.GetGRNumeratorSub(); | |
468 | std::vector<double> dens = fjw.GetGRDenominatorSub(); | |
469 | //pass this to AliEmcalJet | |
470 | jet->SetGRNumSize(num.size()); | |
471 | jet->SetGRDenSize(den.size()); | |
472 | jet->SetGRNumSubSize(nums.size()); | |
473 | jet->SetGRDenSubSize(dens.size()); | |
474 | Int_t nsize = (Int_t)num.size(); | |
475 | for(Int_t g = 0; g<nsize; ++g) { | |
476 | jet->AddGRNumAt(num[g],g); | |
477 | jet->AddGRNumSubAt(nums[g],g); | |
478 | } | |
479 | Int_t dsize = (Int_t)den.size(); | |
480 | for(Int_t g = 0; g<dsize; ++g) { | |
481 | jet->AddGRDenAt(den[g],g); | |
482 | jet->AddGRDenSubAt(dens[g],g); | |
483 | } | |
484 | } | |
485 | #endif | |
04905231 | 486 | |
487 | // loop over constituents | |
c64cb1f6 | 488 | std::vector<fastjet::PseudoJet> constituents(fjw.GetJetConstituents(ij)); |
04905231 | 489 | jet->SetNumberOfTracks(constituents.size()); |
490 | jet->SetNumberOfClusters(constituents.size()); | |
491 | ||
b65fac7a | 492 | Int_t nt = 0; |
493 | Int_t nc = 0; | |
f5f3c8e9 | 494 | Double_t neutralE = 0; |
111318e8 | 495 | Double_t maxCh = 0; |
496 | Double_t maxNe = 0; | |
f5f3c8e9 | 497 | Int_t gall = 0; |
498 | Int_t gemc = 0; | |
04905231 | 499 | Int_t cemc = 0; |
111318e8 | 500 | Int_t ncharged = 0; |
501 | Int_t nneutral = 0; | |
02c7e943 | 502 | Double_t mcpt = 0; |
04905231 | 503 | Double_t emcpt = 0; |
b65fac7a | 504 | |
b65fac7a | 505 | for(UInt_t ic = 0; ic < constituents.size(); ++ic) { |
48d874ff | 506 | Int_t uid = constituents[ic].user_index(); |
5be3857d | 507 | AliDebug(3,Form("Processing constituent %d", uid)); |
04905231 | 508 | if ((uid == -1) /*&& (constituents[ic].kt2() < 1e-25)*/) { //ghost particle |
f5f3c8e9 | 509 | ++gall; |
04905231 | 510 | Double_t gphi = constituents[ic].phi(); |
511 | if (gphi<0) | |
512 | gphi += TMath::TwoPi(); | |
513 | gphi *= TMath::RadToDeg(); | |
f5f3c8e9 | 514 | Double_t geta = constituents[ic].eta(); |
b65fac7a | 515 | if ((gphi > geom->GetArm1PhiMin()) && (gphi < geom->GetArm1PhiMax()) && |
516 | (geta > geom->GetArm1EtaMin()) && (geta < geom->GetArm1EtaMax())) | |
04905231 | 517 | ++gemc; |
518 | } else if ((uid > 0) && fTracks) { // track constituent | |
111318e8 | 519 | Int_t tid = uid - 100; |
04905231 | 520 | AliVParticle *t = static_cast<AliVParticle*>(fTracks->At(tid)); |
ca5c29fa | 521 | if (!t) { |
522 | AliError(Form("Could not find track %d",tid)); | |
04905231 | 523 | continue; |
ca5c29fa | 524 | } |
525 | if (jetCount < fMarkConst) { | |
526 | AliDebug(2,Form("Marking track %d with bit map %d", tid, fJetType)); | |
6a20534a | 527 | t->SetBit(fJetType); |
ca5c29fa | 528 | } |
04905231 | 529 | Double_t cEta = t->Eta(); |
530 | Double_t cPhi = t->Phi(); | |
531 | Double_t cPt = t->Pt(); | |
532 | Double_t cP = t->P(); | |
533 | if (t->Charge() == 0) { | |
534 | neutralE += cP; | |
535 | ++nneutral; | |
536 | if (cPt > maxNe) | |
537 | maxNe = cPt; | |
538 | } else { | |
539 | ++ncharged; | |
540 | if (cPt > maxCh) | |
541 | maxCh = cPt; | |
542 | } | |
a7477843 | 543 | if (fIsMcPart || TMath::Abs(t->GetLabel()) > fMinMCLabel) // check if MC particle |
04905231 | 544 | mcpt += cPt; |
545 | ||
546 | if (cPhi<0) | |
547 | cPhi += TMath::TwoPi(); | |
548 | cPhi *= TMath::RadToDeg(); | |
549 | if ((cPhi > geom->GetArm1PhiMin()) && (cPhi < geom->GetArm1PhiMax()) && | |
550 | (cEta > geom->GetArm1EtaMin()) && (cEta < geom->GetArm1EtaMax())) { | |
551 | emcpt += cPt; | |
552 | ++cemc; | |
d03084cd | 553 | } |
04905231 | 554 | |
555 | jet->AddTrackAt(tid, nt); | |
556 | ++nt; | |
557 | } else if (fClus) { // cluster constituent | |
111318e8 | 558 | Int_t cid = -uid - 100; |
04905231 | 559 | AliVCluster *c = 0; |
560 | Double_t cEta=0,cPhi=0,cPt=0,cP=0; | |
561 | if (fIsEmcPart) { | |
562 | AliEmcalParticle *ep = static_cast<AliEmcalParticle*>(fClus->At(cid)); | |
563 | if (!ep) | |
564 | continue; | |
565 | c = ep->GetCluster(); | |
566 | if (!c) | |
567 | continue; | |
7030f36f | 568 | if (jetCount < fMarkConst) |
6a20534a | 569 | ep->SetBit(fJetType); |
04905231 | 570 | cEta = ep->Eta(); |
571 | cPhi = ep->Phi(); | |
572 | cPt = ep->Pt(); | |
573 | cP = ep->P(); | |
574 | } else { | |
575 | c = static_cast<AliVCluster*>(fClus->At(cid)); | |
576 | if (!c) | |
577 | continue; | |
7030f36f | 578 | if (jetCount < fMarkConst) |
6a20534a | 579 | c->SetBit(fJetType); |
04905231 | 580 | TLorentzVector nP; |
581 | c->GetMomentum(nP, vertex); | |
582 | cEta = nP.Eta(); | |
583 | cPhi = nP.Phi(); | |
584 | cPt = nP.Pt(); | |
585 | cP = nP.P(); | |
586 | } | |
587 | ||
588 | neutralE += cP; | |
589 | if (cPt > maxNe) | |
590 | maxNe = cPt; | |
591 | ||
a7477843 | 592 | if (c->GetLabel() > fMinMCLabel) // MC particle |
43032ce2 | 593 | mcpt += c->GetMCEnergyFraction() > 1e-6 ? cPt * c->GetMCEnergyFraction() : cPt; |
04905231 | 594 | |
595 | if (cPhi<0) | |
596 | cPhi += TMath::TwoPi(); | |
597 | cPhi *= TMath::RadToDeg(); | |
598 | if ((cPhi > geom->GetArm1PhiMin()) && (cPhi < geom->GetArm1PhiMax()) && | |
599 | (cEta > geom->GetArm1EtaMin()) && (cEta < geom->GetArm1EtaMax())) { | |
600 | emcpt += cPt; | |
601 | ++cemc; | |
602 | } | |
603 | ||
604 | jet->AddClusterAt(cid, nc); | |
605 | ++nc; | |
606 | ++nneutral; | |
02c7e943 | 607 | } else { |
608 | AliError(Form("%s: No logical way to end up here.", GetName())); | |
609 | continue; | |
48d874ff | 610 | } |
04905231 | 611 | } /* end of constituent loop */ |
612 | ||
35789a2d | 613 | jet->SetNumberOfTracks(nt); |
614 | jet->SetNumberOfClusters(nc); | |
f5f3c8e9 | 615 | jet->SortConstituents(); |
111318e8 | 616 | jet->SetMaxNeutralPt(maxNe); |
617 | jet->SetMaxChargedPt(maxCh); | |
b65fac7a | 618 | jet->SetNEF(neutralE / jet->E()); |
a88b5c99 | 619 | fastjet::PseudoJet area(fjw.GetJetAreaVector(ij)); |
620 | jet->SetArea(area.perp()); | |
621 | jet->SetAreaEta(area.eta()); | |
622 | jet->SetAreaPhi(area.phi()); | |
111318e8 | 623 | jet->SetNumberOfCharged(ncharged); |
624 | jet->SetNumberOfNeutrals(nneutral); | |
02c7e943 | 625 | jet->SetMCPt(mcpt); |
04905231 | 626 | jet->SetNEmc(cemc); |
627 | jet->SetPtEmc(emcpt); | |
628 | ||
b65fac7a | 629 | if (gall > 0) |
630 | jet->SetAreaEmc(fjw.GetJetArea(ij) * gemc / gall); | |
f5f3c8e9 | 631 | else |
632 | jet->SetAreaEmc(-1); | |
b65fac7a | 633 | if ((jet->Phi() > geom->GetArm1PhiMin() * TMath::DegToRad()) && |
1772fe65 | 634 | (jet->Phi() < geom->GetArm1PhiMax() * TMath::DegToRad()) && |
635 | (jet->Eta() > geom->GetArm1EtaMin()) && | |
636 | (jet->Eta() < geom->GetArm1EtaMax())) | |
f5f3c8e9 | 637 | jet->SetAxisInEmcal(kTRUE); |
ca5c29fa | 638 | |
639 | AliDebug(2,Form("Added jet n. %d, pt = %f, area = %f, constituents = %d", jetCount, jet->Pt(), jet->Area(), (Int_t)constituents.size())); | |
48d874ff | 640 | jetCount++; |
641 | } | |
7030f36f | 642 | //fJets->Sort(); |
8082a80b | 643 | |
644 | //run constituent subtractor if requested | |
645 | if(fDoConstituentSubtraction) { | |
93daf3f7 | 646 | #ifdef FASTJET_VERSION |
8082a80b | 647 | if(!fJetsSub) AliWarning(Form("No jet branch to write to for subtracted jets. fJetsSubName: %s",fJetsSubName.Data())); |
648 | else { | |
649 | std::vector<fastjet::PseudoJet> jets_sub; | |
650 | jets_sub = fjw.GetConstituentSubtrJets(); | |
651 | AliDebug(1,Form("%d constituent subtracted jets found", (Int_t)jets_sub.size())); | |
652 | for (UInt_t ijet=0, jetCount=0; ijet<jets_sub.size(); ++ijet) { | |
653 | //Only storing 4-vector and jet area of unsubtracted jet | |
654 | AliEmcalJet *jet_sub = new ((*fJetsSub)[jetCount]) | |
655 | AliEmcalJet(jets_sub[ijet].perp(), jets_sub[ijet].eta(), jets_sub[ijet].phi(), jets_sub[ijet].m()); | |
656 | jet_sub->SetLabel(ijet); | |
657 | fastjet::PseudoJet area(fjw.GetJetAreaVector(ijet)); | |
658 | jet_sub->SetArea(area.perp()); | |
659 | jet_sub->SetAreaEta(area.eta()); | |
660 | jet_sub->SetAreaPhi(area.phi()); | |
661 | jet_sub->SetAreaEmc(area.perp()); | |
662 | jetCount++; | |
663 | } | |
664 | } | |
665 | #endif | |
666 | } //constituent subtraction | |
48d874ff | 667 | } |
04905231 | 668 | |
ca5c29fa | 669 | //________________________________________________________________________ |
670 | Bool_t AliEmcalJetTask::GetSortedArray(Int_t indexes[], std::vector<fastjet::PseudoJet> array) const | |
671 | { | |
672 | // Get the leading jets. | |
673 | ||
674 | static Float_t pt[9999] = {0}; | |
675 | ||
676 | const Int_t n = (Int_t)array.size(); | |
677 | ||
678 | if (n < 1) | |
679 | return kFALSE; | |
680 | ||
681 | for (Int_t i = 0; i < n; i++) | |
682 | pt[i] = array[i].perp(); | |
683 | ||
684 | TMath::Sort(n, pt, indexes); | |
685 | ||
686 | return kTRUE; | |
687 | } | |
688 | ||
04905231 | 689 | //________________________________________________________________________ |
690 | Bool_t AliEmcalJetTask::DoInit() | |
691 | { | |
692 | // Init. Return true if successful. | |
693 | ||
6421eeb0 | 694 | if (fTrackEfficiency < 1.) { |
695 | if (gRandom) delete gRandom; | |
696 | gRandom = new TRandom3(0); | |
697 | } | |
698 | ||
04905231 | 699 | // get input collections |
700 | AliAnalysisManager *am = AliAnalysisManager::GetAnalysisManager(); | |
701 | ||
702 | // get the event | |
703 | fEvent = InputEvent(); | |
704 | if (!fEvent) { | |
705 | AliError(Form("%s: Could not retrieve event! Returning", GetName())); | |
706 | return 0; | |
707 | } | |
708 | ||
709 | // add jets to event if not yet there | |
710 | if (!(fEvent->FindListObject(fJetsName))) | |
711 | fEvent->AddObject(fJets); | |
712 | else { | |
f4b49fa6 | 713 | AliError(Form("%s: Object with name %s already in event! Returning", GetName(), fJetsName.Data())); |
04905231 | 714 | return 0; |
715 | } | |
716 | ||
8082a80b | 717 | if (!(fEvent->FindListObject(fJetsSubName)) && fJetsSub) |
718 | fEvent->AddObject(fJetsSub); | |
719 | ||
da67b88a | 720 | if (fTracksName == "Tracks") |
721 | am->LoadBranch("Tracks"); | |
722 | if (!fTracks && !fTracksName.IsNull()) { | |
723 | fTracks = dynamic_cast<TClonesArray*>(fEvent->FindListObject(fTracksName)); | |
724 | if (!fTracks) { | |
725 | AliError(Form("%s: Pointer to tracks %s == 0", GetName(), fTracksName.Data())); | |
726 | return 0; | |
04905231 | 727 | } |
da67b88a | 728 | } |
729 | if (fTracks) { | |
730 | TClass cls(fTracks->GetClass()->GetName()); | |
5be3857d | 731 | if (cls.InheritsFrom("AliMCParticle") || cls.InheritsFrom("AliAODMCParticle")) |
04905231 | 732 | fIsMcPart = 1; |
733 | } | |
da67b88a | 734 | |
735 | if (fCaloName == "CaloClusters") | |
736 | am->LoadBranch("CaloClusters"); | |
737 | if (!fClus && !fCaloName.IsNull()) { | |
738 | fClus = dynamic_cast<TClonesArray*>(fEvent->FindListObject(fCaloName)); | |
739 | if (!fClus) { | |
740 | AliError(Form("%s: Pointer to clus %s == 0", GetName(), fCaloName.Data())); | |
741 | return 0; | |
04905231 | 742 | } |
da67b88a | 743 | } |
744 | if (fClus) { | |
745 | TClass cls(fClus->GetClass()->GetName()); | |
04905231 | 746 | if (cls.InheritsFrom("AliEmcalParticle")) |
747 | fIsEmcPart = 1; | |
748 | } | |
749 | ||
8082a80b | 750 | if (!fRhoName.IsNull() && !fRhoParam) { // get rho from the event |
751 | fRhoParam = dynamic_cast<AliRhoParameter*>(InputEvent()->FindListObject(fRhoName)); | |
752 | if (!fRhoParam) { | |
753 | AliError(Form("%s: Could not retrieve rho %s!", GetName(), fRhoName.Data())); | |
754 | return 0; | |
755 | } | |
756 | } | |
757 | if (!fRhomName.IsNull() && !fRhomParam) { // get rhom from the event | |
758 | fRhomParam = dynamic_cast<AliRhoParameter*>(InputEvent()->FindListObject(fRhomName)); | |
759 | if (!fRhomParam) { | |
760 | AliError(Form("%s: Could not retrieve rho %s!", GetName(), fRhomName.Data())); | |
761 | return 0; | |
762 | } | |
763 | } | |
764 | ||
04905231 | 765 | return 1; |
766 | } |