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Commit | Line | Data |
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7984e5f7 | 1 | // |
2 | // Calculate the multiplicity in the forward regions event-by-event | |
3 | // | |
4 | // Inputs: | |
5 | // - AliESDEvent | |
6 | // - Kinematics | |
7 | // - Track references | |
8 | // | |
9 | // Outputs: | |
10 | // - AliAODForwardMult | |
11 | // | |
12 | // Histograms | |
13 | // | |
14 | // Corrections used | |
15 | // | |
285e7b27 | 16 | #include "AliForwardMCMultiplicityTask.h" |
17 | #include "AliTriggerAnalysis.h" | |
18 | #include "AliPhysicsSelection.h" | |
19 | #include "AliLog.h" | |
285e7b27 | 20 | #include "AliESDEvent.h" |
21 | #include "AliAODHandler.h" | |
22 | #include "AliMultiplicity.h" | |
23 | #include "AliInputEventHandler.h" | |
24 | #include "AliForwardCorrectionManager.h" | |
25 | #include "AliAnalysisManager.h" | |
26 | #include <TH1.h> | |
27 | #include <TDirectory.h> | |
28 | #include <TTree.h> | |
29 | #include <TROOT.h> | |
285e7b27 | 30 | |
31 | //==================================================================== | |
32 | AliForwardMCMultiplicityTask::AliForwardMCMultiplicityTask() | |
33 | : AliForwardMultiplicityBase(), | |
285e7b27 | 34 | fESDFMD(), |
285e7b27 | 35 | fMCESDFMD(), |
36 | fMCHistos(), | |
37 | fMCAODFMD(), | |
5bb5d1f6 | 38 | fMCRingSums(), |
4cbdf467 | 39 | fPrimary(0), |
285e7b27 | 40 | fEventInspector(), |
285e7b27 | 41 | fSharingFilter(), |
42 | fDensityCalculator(), | |
43 | fCorrections(), | |
44 | fHistCollector(), | |
8449e3e0 | 45 | fEventPlaneFinder() |
285e7b27 | 46 | { |
7984e5f7 | 47 | // |
48 | // Constructor | |
49 | // | |
285e7b27 | 50 | } |
51 | ||
52 | //____________________________________________________________________ | |
53 | AliForwardMCMultiplicityTask::AliForwardMCMultiplicityTask(const char* name) | |
54 | : AliForwardMultiplicityBase(name), | |
285e7b27 | 55 | fESDFMD(), |
285e7b27 | 56 | fMCESDFMD(), |
57 | fMCHistos(), | |
58 | fMCAODFMD(kTRUE), | |
5bb5d1f6 | 59 | fMCRingSums(), |
4cbdf467 | 60 | fPrimary(0), |
285e7b27 | 61 | fEventInspector("event"), |
285e7b27 | 62 | fSharingFilter("sharing"), |
63 | fDensityCalculator("density"), | |
64 | fCorrections("corrections"), | |
65 | fHistCollector("collector"), | |
8449e3e0 | 66 | fEventPlaneFinder("eventplane") |
285e7b27 | 67 | { |
7984e5f7 | 68 | // |
69 | // Constructor | |
70 | // | |
71 | // Parameters: | |
72 | // name Name of task | |
73 | // | |
285e7b27 | 74 | } |
75 | ||
76 | //____________________________________________________________________ | |
77 | AliForwardMCMultiplicityTask::AliForwardMCMultiplicityTask(const AliForwardMCMultiplicityTask& o) | |
78 | : AliForwardMultiplicityBase(o), | |
285e7b27 | 79 | fESDFMD(o.fESDFMD), |
285e7b27 | 80 | fMCESDFMD(o.fMCESDFMD), |
81 | fMCHistos(o.fMCHistos), | |
82 | fMCAODFMD(o.fMCAODFMD), | |
5bb5d1f6 | 83 | fMCRingSums(o.fMCRingSums), |
4cbdf467 | 84 | fPrimary(o.fPrimary), |
285e7b27 | 85 | fEventInspector(o.fEventInspector), |
4cbdf467 | 86 | fSharingFilter(o.fSharingFilter), |
285e7b27 | 87 | fDensityCalculator(o.fDensityCalculator), |
88 | fCorrections(o.fCorrections), | |
89 | fHistCollector(o.fHistCollector), | |
8449e3e0 | 90 | fEventPlaneFinder(o.fEventPlaneFinder) |
285e7b27 | 91 | { |
7984e5f7 | 92 | // |
93 | // Copy constructor | |
94 | // | |
95 | // Parameters: | |
96 | // o Object to copy from | |
97 | // | |
285e7b27 | 98 | } |
99 | ||
100 | //____________________________________________________________________ | |
101 | AliForwardMCMultiplicityTask& | |
102 | AliForwardMCMultiplicityTask::operator=(const AliForwardMCMultiplicityTask& o) | |
103 | { | |
7984e5f7 | 104 | // |
105 | // Assignment operator | |
106 | // | |
107 | // Parameters: | |
108 | // o Object to assign from | |
109 | // | |
110 | // Return: | |
111 | // Reference to this object | |
112 | // | |
d015ecfe | 113 | if (&o == this) return *this; |
285e7b27 | 114 | AliForwardMultiplicityBase::operator=(o); |
115 | ||
285e7b27 | 116 | fEventInspector = o.fEventInspector; |
285e7b27 | 117 | fSharingFilter = o.fSharingFilter; |
118 | fDensityCalculator = o.fDensityCalculator; | |
119 | fCorrections = o.fCorrections; | |
120 | fHistCollector = o.fHistCollector; | |
2b556440 | 121 | fEventPlaneFinder = o.fEventPlaneFinder; |
285e7b27 | 122 | fMCHistos = o.fMCHistos; |
123 | fMCAODFMD = o.fMCAODFMD; | |
5bb5d1f6 | 124 | fMCRingSums = o.fMCRingSums; |
4cbdf467 | 125 | fPrimary = o.fPrimary; |
285e7b27 | 126 | return *this; |
127 | } | |
128 | ||
129 | //____________________________________________________________________ | |
130 | void | |
8449e3e0 | 131 | AliForwardMCMultiplicityTask::SetOnlyPrimary(Bool_t use) |
285e7b27 | 132 | { |
8449e3e0 | 133 | fSharingFilter.GetTrackDensity().SetUseOnlyPrimary(use); |
134 | fCorrections.SetSecondaryForMC(!use); | |
285e7b27 | 135 | } |
8449e3e0 | 136 | |
5bb5d1f6 | 137 | //____________________________________________________________________ |
138 | void | |
8449e3e0 | 139 | AliForwardMCMultiplicityTask::CreateBranches(AliAODHandler* ah) |
5bb5d1f6 | 140 | { |
8449e3e0 | 141 | // |
142 | // Create output objects | |
143 | // | |
144 | // | |
145 | AliForwardMultiplicityBase::CreateBranches(ah); | |
146 | ||
147 | TObject* mcobj = &fMCAODFMD; | |
148 | ah->AddBranch("AliAODForwardMult", &mcobj); | |
149 | ||
150 | fPrimary = new TH2D("primary", "MC Primaries", 1,0,1,20,0,TMath::TwoPi()); | |
151 | fPrimary->SetXTitle("#eta"); | |
152 | fPrimary->SetYTitle("#varphi [radians]"); | |
153 | fPrimary->SetZTitle("d^{2}N_{ch}/d#etad#phi"); | |
154 | fPrimary->Sumw2(); | |
155 | fPrimary->SetStats(0); | |
156 | fPrimary->SetDirectory(0); | |
157 | ||
158 | ah->AddBranch("TH2D", &fPrimary); | |
5bb5d1f6 | 159 | } |
160 | ||
8449e3e0 | 161 | |
285e7b27 | 162 | //____________________________________________________________________ |
8449e3e0 | 163 | void |
164 | AliForwardMCMultiplicityTask::InitMembers(const TAxis* pe, const TAxis* pv) | |
285e7b27 | 165 | { |
7984e5f7 | 166 | // |
167 | // Initialise the sub objects and stuff. Called on first event | |
168 | // | |
169 | // | |
8449e3e0 | 170 | AliForwardMultiplicityBase::InitMembers(pe, pv); |
1174780f | 171 | |
285e7b27 | 172 | fMCHistos.Init(*pe); |
173 | fMCAODFMD.Init(*pe); | |
5bb5d1f6 | 174 | fMCRingSums.Init(*pe); |
285e7b27 | 175 | |
8449e3e0 | 176 | AliForwardUtil::Histos::RebinEta(fPrimary, *pe); |
5bb5d1f6 | 177 | |
178 | TList* mcRings = new TList; | |
179 | mcRings->SetName("mcRingSums"); | |
180 | mcRings->SetOwner(); | |
181 | fList->Add(mcRings); | |
182 | ||
183 | mcRings->Add(fMCRingSums.Get(1, 'I')); | |
184 | mcRings->Add(fMCRingSums.Get(2, 'I')); | |
185 | mcRings->Add(fMCRingSums.Get(2, 'O')); | |
186 | mcRings->Add(fMCRingSums.Get(3, 'I')); | |
187 | mcRings->Add(fMCRingSums.Get(3, 'O')); | |
188 | fMCRingSums.Get(1, 'I')->SetMarkerColor(AliForwardUtil::RingColor(1, 'I')); | |
189 | fMCRingSums.Get(2, 'I')->SetMarkerColor(AliForwardUtil::RingColor(2, 'I')); | |
190 | fMCRingSums.Get(2, 'O')->SetMarkerColor(AliForwardUtil::RingColor(2, 'O')); | |
191 | fMCRingSums.Get(3, 'I')->SetMarkerColor(AliForwardUtil::RingColor(3, 'I')); | |
192 | fMCRingSums.Get(3, 'O')->SetMarkerColor(AliForwardUtil::RingColor(3, 'O')); | |
285e7b27 | 193 | } |
194 | ||
285e7b27 | 195 | //____________________________________________________________________ |
196 | void | |
197 | AliForwardMCMultiplicityTask::UserExec(Option_t*) | |
198 | { | |
7984e5f7 | 199 | // |
200 | // Process each event | |
201 | // | |
202 | // Parameters: | |
203 | // option Not used | |
204 | // | |
205 | ||
f7cfc454 | 206 | // Read production details |
207 | if (fFirstEvent) | |
208 | fEventInspector.ReadProductionDetails(MCEvent()); | |
209 | ||
285e7b27 | 210 | // Get the input data |
e1f47419 | 211 | AliESDEvent* esd = GetESDEvent(); |
212 | AliMCEvent* mcEvent = MCEvent(); | |
6ff251d8 | 213 | if (!esd || !mcEvent) return; |
285e7b27 | 214 | |
285e7b27 | 215 | // Clear stuff |
216 | fHistos.Clear(); | |
217 | fESDFMD.Clear(); | |
218 | fAODFMD.Clear(); | |
2b556440 | 219 | fAODEP.Clear(); |
285e7b27 | 220 | fMCHistos.Clear(); |
221 | fMCESDFMD.Clear(); | |
222 | fMCAODFMD.Clear(); | |
4cbdf467 | 223 | fPrimary->Reset(); |
285e7b27 | 224 | |
5bb5d1f6 | 225 | Bool_t lowFlux = kFALSE; |
226 | UInt_t triggers = 0; | |
227 | UShort_t ivz = 0; | |
5ca83fee | 228 | TVector3 ip(1024, 1024, 0); |
21d778b1 | 229 | Double_t cent = -1; |
5bb5d1f6 | 230 | UShort_t nClusters = 0; |
231 | UInt_t found = fEventInspector.Process(esd, triggers, lowFlux, | |
5ca83fee | 232 | ivz, ip, cent, nClusters); |
e1f47419 | 233 | UShort_t ivzMC = 0; |
234 | Double_t vzMC = 0; | |
235 | Double_t phiR = 0; | |
236 | Double_t b = 0; | |
241cca4d | 237 | Double_t cMC = 0; |
e308a636 | 238 | Int_t npart = 0; |
239 | Int_t nbin = 0; | |
e1f47419 | 240 | // UInt_t foundMC = |
241cca4d | 241 | fEventInspector.ProcessMC(mcEvent, triggers, ivzMC, vzMC, b, cMC, |
e308a636 | 242 | npart, nbin, phiR); |
73b32206 | 243 | fEventInspector.CompareResults(ip.Z(), vzMC, cent, cMC, b, npart, nbin); |
1dbfc345 | 244 | |
e333578d | 245 | //Store all events |
148c39de | 246 | MarkEventForStore(); |
e333578d | 247 | |
248 | Bool_t isAccepted = true; | |
249 | if (found & AliFMDEventInspector::kNoEvent) isAccepted = false; // return; | |
250 | if (found & AliFMDEventInspector::kNoTriggers) isAccepted = false; // return; | |
148c39de | 251 | //MarkEventForStore(); |
b30dee70 | 252 | // Always set the B trigger - each MC event _is_ a collision |
253 | triggers |= AliAODForwardMult::kB; | |
285e7b27 | 254 | // Set trigger bits, and mark this event for storage |
255 | fAODFMD.SetTriggerBits(triggers); | |
e308a636 | 256 | fAODFMD.SetSNN(fEventInspector.GetEnergy()); |
257 | fAODFMD.SetSystem(fEventInspector.GetCollisionSystem()); | |
e58000b7 | 258 | fAODFMD.SetCentrality(cent); |
5bb5d1f6 | 259 | fAODFMD.SetNClusters(nClusters); |
e308a636 | 260 | |
261 | fMCAODFMD.SetTriggerBits(triggers); | |
262 | fMCAODFMD.SetSNN(fEventInspector.GetEnergy()); | |
263 | fMCAODFMD.SetSystem(fEventInspector.GetCollisionSystem()); | |
264 | fMCAODFMD.SetCentrality(cent); | |
5bb5d1f6 | 265 | fMCAODFMD.SetNClusters(nClusters); |
e58000b7 | 266 | |
e333578d | 267 | //All events should be stored - HHD |
148c39de | 268 | //if (isAccepted) MarkEventForStore(); |
285e7b27 | 269 | |
e1f47419 | 270 | // Disable this check on SPD - will bias data |
271 | // if (found & AliFMDEventInspector::kNoSPD) isAccepted = false; // return; | |
e333578d | 272 | if (found & AliFMDEventInspector::kNoFMD) isAccepted = false; // return; |
273 | if (found & AliFMDEventInspector::kNoVertex) isAccepted = false; // return; | |
274 | ||
275 | if (isAccepted) { | |
5ca83fee | 276 | fAODFMD.SetIpZ(ip.Z()); |
277 | fMCAODFMD.SetIpZ(ip.Z()); | |
e333578d | 278 | } |
279 | if (found & AliFMDEventInspector::kBadVertex) isAccepted = false; // return; | |
285e7b27 | 280 | |
281 | // We we do not want to use low flux specific code, we disable it here. | |
282 | if (!fEnableLowFlux) lowFlux = false; | |
148c39de | 283 | |
284 | ||
285e7b27 | 285 | |
286 | // Get FMD data | |
287 | AliESDFMD* esdFMD = esd->GetFMDData(); | |
e1f47419 | 288 | |
285e7b27 | 289 | // Apply the sharing filter (or hit merging or clustering if you like) |
5ca83fee | 290 | if (isAccepted && !fSharingFilter.Filter(*esdFMD, lowFlux, fESDFMD,ip.Z())) { |
285e7b27 | 291 | AliWarning("Sharing filter failed!"); |
292 | return; | |
293 | } | |
5ca83fee | 294 | if (!fSharingFilter.FilterMC(*esdFMD, *mcEvent, ip.Z(),fMCESDFMD,fPrimary)) { |
285e7b27 | 295 | AliWarning("MC Sharing filter failed!"); |
296 | return; | |
297 | } | |
e333578d | 298 | if (!isAccepted) return; // Exit on MC event w/o trigger, vertex, data |
148c39de | 299 | // HHD if (!isAccepted) return; // Exit on MC event w/o trigger, vertex, data |
1dbfc345 | 300 | |
148c39de | 301 | //MarkEventForStore(); |
285e7b27 | 302 | fSharingFilter.CompareResults(fESDFMD, fMCESDFMD); |
303 | ||
285e7b27 | 304 | // Calculate the inclusive charged particle density |
5934a3e3 | 305 | if (!fDensityCalculator.Calculate(fESDFMD, fHistos, lowFlux, cent, ip)) { |
285e7b27 | 306 | AliWarning("Density calculator failed!"); |
307 | return; | |
308 | } | |
309 | if (!fDensityCalculator.CalculateMC(fMCESDFMD, fMCHistos)) { | |
310 | AliWarning("MC Density calculator failed!"); | |
311 | return; | |
312 | } | |
313 | fDensityCalculator.CompareResults(fHistos, fMCHistos); | |
314 | ||
2b556440 | 315 | if (fEventInspector.GetCollisionSystem() == AliFMDEventInspector::kPbPb) { |
8449e3e0 | 316 | if (!fEventPlaneFinder.FindEventplane(esd, fAODEP, |
317 | &(fAODFMD.GetHistogram()) , &fHistos)) | |
2b556440 | 318 | AliWarning("Eventplane finder failed!"); |
319 | } | |
320 | ||
285e7b27 | 321 | // Do the secondary and other corrections. |
322 | if (!fCorrections.Correct(fHistos, ivz)) { | |
323 | AliWarning("Corrections failed"); | |
324 | return; | |
325 | } | |
326 | if (!fCorrections.CorrectMC(fMCHistos, ivz)) { | |
327 | AliWarning("MC Corrections failed"); | |
328 | return; | |
329 | } | |
330 | fCorrections.CompareResults(fHistos, fMCHistos); | |
331 | ||
5bb5d1f6 | 332 | if (!fHistCollector.Collect(fHistos, fRingSums, |
8449e3e0 | 333 | ivz, fAODFMD.GetHistogram(), |
334 | fAODFMD.GetCentrality())) { | |
285e7b27 | 335 | AliWarning("Histogram collector failed"); |
336 | return; | |
337 | } | |
5bb5d1f6 | 338 | if (!fHistCollector.Collect(fMCHistos, fMCRingSums, |
339 | ivz, fMCAODFMD.GetHistogram())) { | |
285e7b27 | 340 | AliWarning("MC Histogram collector failed"); |
341 | return; | |
342 | } | |
343 | ||
344 | if (fAODFMD.IsTriggerBits(AliAODForwardMult::kInel)) | |
345 | fHData->Add(&(fAODFMD.GetHistogram())); | |
346 | ||
347 | PostData(1, fList); | |
348 | } | |
349 | ||
350 | //____________________________________________________________________ | |
351 | void | |
8449e3e0 | 352 | AliForwardMCMultiplicityTask::EstimatedNdeta(const TList* input, |
353 | TList* output) const | |
285e7b27 | 354 | { |
8449e3e0 | 355 | AliForwardMultiplicityBase::EstimatedNdeta(input, output); |
356 | MakeRingdNdeta(input, "mcRingSums", output, "mcRingResults", 24); | |
285e7b27 | 357 | } |
358 | ||
285e7b27 | 359 | |
8449e3e0 | 360 | |
285e7b27 | 361 | // |
362 | // EOF | |
363 | // |