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10ebe68d | 1 | /* $Id$ */ |
2 | ||
3 | #include "AlidNdEtaSystematicsSelector.h" | |
4 | ||
5 | #include <TStyle.h> | |
6 | #include <TSystem.h> | |
7 | #include <TCanvas.h> | |
8 | #include <TVector3.h> | |
9 | #include <TChain.h> | |
10 | #include <TFile.h> | |
7af955da | 11 | #include <TH2F.h> |
10ebe68d | 12 | #include <TH1F.h> |
13 | #include <TParticle.h> | |
38faa1b9 | 14 | #include <TParticlePDG.h> |
10ebe68d | 15 | |
16 | #include <AliLog.h> | |
17 | #include <AliESD.h> | |
10ebe68d | 18 | #include <AliStack.h> |
19 | #include <AliHeader.h> | |
6de7db91 | 20 | #include <AliGenEventHeader.h> |
4c351225 | 21 | #include <../PYTHIA6/AliGenPythiaEventHeader.h> |
22 | #include <../EVGEN/AliGenCocktailEventHeader.h> | |
10ebe68d | 23 | |
24 | #include "esdTrackCuts/AliESDtrackCuts.h" | |
25 | #include "AliPWG0Helper.h" | |
4c351225 | 26 | #include "AliPWG0depHelper.h" |
0bd1f8a0 | 27 | #include "dNdEta/AlidNdEtaCorrection.h" |
10ebe68d | 28 | |
29 | ClassImp(AlidNdEtaSystematicsSelector) | |
30 | ||
31 | AlidNdEtaSystematicsSelector::AlidNdEtaSystematicsSelector() : | |
32 | AliSelectorRL(), | |
33 | fSecondaries(0), | |
9f469bf5 | 34 | fSigmaVertex(0), |
f31d5d49 | 35 | fEsdTrackCuts(0), |
61385583 | 36 | fPIDParticles(0), |
38faa1b9 | 37 | fPIDTracks(0), |
38 | fSignMode(0), | |
39 | fMultiplicityMode(0) | |
10ebe68d | 40 | { |
41 | // | |
42 | // Constructor. Initialization of pointers | |
43 | // | |
44 | ||
45 | for (Int_t i=0; i<4; ++i) | |
6de7db91 | 46 | fdNdEtaCorrectionSpecies[i] = 0; |
47 | ||
7b0956f3 | 48 | for (Int_t i=0; i<3; ++i) { |
6de7db91 | 49 | fdNdEtaCorrectionVertexReco[i] = 0; |
7b0956f3 | 50 | fdNdEtaCorrectionTriggerBias[i] = 0; |
51 | } | |
10ebe68d | 52 | } |
53 | ||
54 | AlidNdEtaSystematicsSelector::~AlidNdEtaSystematicsSelector() | |
55 | { | |
56 | // | |
57 | // Destructor | |
58 | // | |
59 | } | |
60 | ||
61 | void AlidNdEtaSystematicsSelector::Begin(TTree* tree) | |
62 | { | |
63 | // Begin function | |
64 | ||
65 | AliSelectorRL::Begin(tree); | |
66 | ||
67 | ReadUserObjects(tree); | |
68 | } | |
69 | ||
70 | void AlidNdEtaSystematicsSelector::ReadUserObjects(TTree* tree) | |
71 | { | |
72 | // read the user objects, called from slavebegin and begin | |
73 | ||
74 | if (!fEsdTrackCuts && fInput) | |
75 | fEsdTrackCuts = dynamic_cast<AliESDtrackCuts*> (fInput->FindObject("AliESDtrackCuts")); | |
76 | ||
77 | if (!fEsdTrackCuts && tree) | |
78 | fEsdTrackCuts = dynamic_cast<AliESDtrackCuts*> (tree->GetUserInfo()->FindObject("AliESDtrackCuts")); | |
79 | ||
80 | if (!fEsdTrackCuts) | |
81 | AliDebug(AliLog::kError, "ERROR: Could not read EsdTrackCuts from input list."); | |
82 | } | |
83 | ||
84 | void AlidNdEtaSystematicsSelector::SlaveBegin(TTree* tree) | |
85 | { | |
86 | // The SlaveBegin() function is called after the Begin() function. | |
87 | // When running with PROOF SlaveBegin() is called on each slave server. | |
88 | // The tree argument is deprecated (on PROOF 0 is passed). | |
89 | ||
90 | AliSelector::SlaveBegin(tree); | |
91 | ||
92 | ReadUserObjects(tree); | |
93 | ||
94 | TString option(GetOption()); | |
95 | ||
96 | printf("Running AlidNdEtaSystematicsSelector with options %s\n", option.Data()); | |
97 | ||
9e952c39 | 98 | // Options: secondaries particle-composition sigma-vertex vertexreco triggerbias |
99 | ||
10ebe68d | 100 | if (option.Contains("secondaries")) |
101 | { | |
7af955da | 102 | fSecondaries = new TH2F("fSecondaries", "fSecondaries;Case;N", 8, 0.5, 8.5, 2001, -0.5, 2000.5); |
103 | fSecondaries->GetXaxis()->SetBinLabel(1, "All Primaries"); | |
104 | fSecondaries->GetXaxis()->SetBinLabel(2, "All Secondaries"); | |
105 | fSecondaries->GetXaxis()->SetBinLabel(3, "Primaries pT > 0.3 GeV/c"); | |
106 | fSecondaries->GetXaxis()->SetBinLabel(4, "Secondaries pT > 0.3 GeV/c"); | |
107 | fSecondaries->GetXaxis()->SetBinLabel(5, "Tracks from Primaries"); | |
108 | fSecondaries->GetXaxis()->SetBinLabel(6, "Tracks from Secondaries"); | |
109 | fSecondaries->GetXaxis()->SetBinLabel(7, "Accepted Tracks from Primaries"); | |
110 | fSecondaries->GetXaxis()->SetBinLabel(8, "Accepted Tracks from Secondaries"); | |
10ebe68d | 111 | } |
112 | ||
113 | if (option.Contains("particle-composition")) | |
114 | { | |
115 | for (Int_t i=0; i<4; ++i) | |
116 | { | |
117 | TString name; | |
118 | name.Form("correction_%d", i); | |
6de7db91 | 119 | fdNdEtaCorrectionSpecies[i] = new AlidNdEtaCorrection(name, name); |
10ebe68d | 120 | } |
121 | } | |
9f469bf5 | 122 | |
123 | if (option.Contains("sigma-vertex")) | |
124 | { | |
72e597d7 | 125 | fSigmaVertex = new TH1F("fSigmaVertex", "fSigmaVertex;Nsigma2vertex;NacceptedTracks", 50, 0.05, 5.05); |
9f469bf5 | 126 | printf("WARNING: sigma-vertex analysis enabled. This will produce weird results in the AliESDtrackCuts histograms\n"); |
127 | } | |
61385583 | 128 | |
6de7db91 | 129 | if (option.Contains("vertexreco")) { |
130 | fdNdEtaCorrectionVertexReco[0] = new AlidNdEtaCorrection("vertexRecoND", "vertexRecoND"); | |
131 | fdNdEtaCorrectionVertexReco[1] = new AlidNdEtaCorrection("vertexRecoSD", "vertexRecoSD"); | |
132 | fdNdEtaCorrectionVertexReco[2] = new AlidNdEtaCorrection("vertexRecoDD", "vertexRecoDD"); | |
133 | } | |
134 | ||
7b0956f3 | 135 | if (option.Contains("triggerbias")) { |
136 | fdNdEtaCorrectionTriggerBias[0] = new AlidNdEtaCorrection("triggerBiasND", "triggerBiasND"); | |
137 | fdNdEtaCorrectionTriggerBias[1] = new AlidNdEtaCorrection("triggerBiasSD", "triggerBiasSD"); | |
138 | fdNdEtaCorrectionTriggerBias[2] = new AlidNdEtaCorrection("triggerBiasDD", "triggerBiasDD"); | |
139 | } | |
140 | ||
61385583 | 141 | fPIDParticles = new TH1F("pid_particles", "PID of generated primary particles", 10001, -5000.5, 5000.5); |
142 | fPIDTracks = new TH1F("pid_tracks", "MC PID of reconstructed tracks", 10001, -5000.5, 5000.5); | |
38faa1b9 | 143 | |
144 | if (option.Contains("only-positive")) | |
145 | { | |
146 | AliInfo("Processing only positive particles."); | |
147 | fSignMode = 1; | |
148 | } | |
149 | else if (option.Contains("only-negative")) | |
150 | { | |
151 | AliInfo("Processing only negative particles."); | |
152 | fSignMode = -1; | |
153 | } | |
154 | ||
155 | if (option.Contains("low-multiplicity")) | |
156 | { | |
157 | AliInfo("Processing only events with low multiplicity."); | |
158 | fMultiplicityMode = 1; | |
159 | } | |
160 | else if (option.Contains("high-multiplicity")) | |
161 | { | |
162 | AliInfo("Processing only events with high multiplicity."); | |
163 | fMultiplicityMode = 2; | |
164 | } | |
10ebe68d | 165 | } |
166 | ||
167 | Bool_t AlidNdEtaSystematicsSelector::Process(Long64_t entry) | |
168 | { | |
169 | // The Process() function is called for each entry in the tree (or possibly | |
170 | // keyed object in the case of PROOF) to be processed. The entry argument | |
171 | // specifies which entry in the currently loaded tree is to be processed. | |
172 | // It can be passed to either TTree::GetEntry() or TBranch::GetEntry() | |
173 | // to read either all or the required parts of the data. When processing | |
174 | // keyed objects with PROOF, the object is already loaded and is available | |
175 | // via the fObject pointer. | |
176 | // | |
177 | // This function should contain the "body" of the analysis. It can contain | |
178 | // simple or elaborate selection criteria, run algorithms on the data | |
179 | // of the event and typically fill histograms. | |
180 | ||
181 | // WARNING when a selector is used with a TChain, you must use | |
182 | // the pointer to the current TTree to call GetEntry(entry). | |
183 | // The entry is always the local entry number in the current tree. | |
184 | // Assuming that fTree is the pointer to the TChain being processed, | |
185 | // use fTree->GetTree()->GetEntry(entry). | |
186 | ||
187 | if (AliSelectorRL::Process(entry) == kFALSE) | |
188 | return kFALSE; | |
189 | ||
190 | // Check prerequisites | |
191 | if (!fESD) | |
192 | { | |
193 | AliDebug(AliLog::kError, "ESD branch not available"); | |
194 | return kFALSE; | |
195 | } | |
196 | ||
197 | if (!fEsdTrackCuts) | |
198 | { | |
199 | AliDebug(AliLog::kError, "fESDTrackCuts not available"); | |
200 | return kFALSE; | |
201 | } | |
202 | ||
203 | AliStack* stack = GetStack(); | |
204 | if (!stack) | |
205 | { | |
206 | AliDebug(AliLog::kError, "Stack not available"); | |
207 | return kFALSE; | |
208 | } | |
209 | ||
85ae901e | 210 | // -------------------------------------------------------------- |
211 | // related to events: | |
212 | // | |
6de7db91 | 213 | // stuff for vertex reconstruction correction systematics |
7b0956f3 | 214 | Bool_t vertexRecoStudy = kFALSE; |
215 | Bool_t triggerBiasStudy = kFALSE; | |
85ae901e | 216 | if (fdNdEtaCorrectionVertexReco[0]) vertexRecoStudy = kTRUE; |
7b0956f3 | 217 | if (fdNdEtaCorrectionTriggerBias[0]) triggerBiasStudy = kTRUE; |
218 | ||
85ae901e | 219 | AliHeader* header = GetHeader(); |
220 | if (!header) { | |
221 | AliDebug(AliLog::kError, "Header not available"); | |
222 | return kFALSE; | |
223 | } | |
224 | ||
225 | // getting process information NB: this only works for Pythia !!! | |
226 | Int_t processtype = AliPWG0depHelper::GetPythiaEventProcessType(header); | |
447c325d | 227 | |
85ae901e | 228 | // can only read pythia headers, either directly or from cocktalil header |
229 | AliGenEventHeader* genHeader = (AliGenEventHeader*)(header->GenEventHeader()); | |
230 | ||
231 | if (!genHeader) { | |
232 | AliDebug(AliLog::kError, "Gen header not available"); | |
233 | return kFALSE; | |
6de7db91 | 234 | } |
85ae901e | 235 | |
10ebe68d | 236 | // get the MC vertex |
10ebe68d | 237 | TArrayF vtxMC(3); |
238 | genHeader->PrimaryVertex(vtxMC); | |
85ae901e | 239 | |
240 | TObjArray* listOfTracks = fEsdTrackCuts->GetAcceptedTracks(fESD); | |
241 | Int_t nGoodTracks = listOfTracks->GetEntries(); | |
242 | ||
243 | Bool_t eventTriggered = AliPWG0Helper::IsEventTriggered(fESD); | |
244 | Bool_t vertexReconstructed = AliPWG0Helper::IsVertexReconstructed(fESD); | |
245 | ||
246 | // non diffractive | |
447c325d | 247 | if (processtype!=92 && processtype!=93 && processtype!=94) { |
85ae901e | 248 | // NB: passing the wrong process type here (1), since the process type is defined by the index in the array (here non-diffractive) |
249 | if (triggerBiasStudy) fdNdEtaCorrectionTriggerBias[0]->FillEvent(vtxMC[2], nGoodTracks, eventTriggered, vertexReconstructed, 1); | |
250 | if (vertexRecoStudy) fdNdEtaCorrectionVertexReco[0] ->FillEvent(vtxMC[2], nGoodTracks, eventTriggered, vertexReconstructed, 1); | |
251 | } | |
252 | ||
253 | // single diffractive | |
254 | if (processtype==92 || processtype==93) { | |
255 | if (triggerBiasStudy) fdNdEtaCorrectionTriggerBias[1]->FillEvent(vtxMC[2], nGoodTracks, eventTriggered, vertexReconstructed, 1); | |
256 | if (vertexRecoStudy) fdNdEtaCorrectionVertexReco[1] ->FillEvent(vtxMC[2], nGoodTracks, eventTriggered, vertexReconstructed, 1); | |
257 | } | |
258 | ||
259 | // double diffractive | |
260 | if (processtype==94) { | |
261 | if (triggerBiasStudy) fdNdEtaCorrectionTriggerBias[2]->FillEvent(vtxMC[2], nGoodTracks, eventTriggered, vertexReconstructed, 1); | |
262 | if (vertexRecoStudy) fdNdEtaCorrectionVertexReco[2] ->FillEvent(vtxMC[2], nGoodTracks, eventTriggered, vertexReconstructed, 1); | |
263 | } | |
264 | ||
e263ff38 | 265 | for (Int_t i=0; i<4; ++i) { |
266 | if (fdNdEtaCorrectionSpecies[i]) | |
267 | fdNdEtaCorrectionSpecies[i]->FillEvent(vtxMC[2], nGoodTracks, eventTriggered, vertexReconstructed, 1); | |
85ae901e | 268 | } |
269 | ||
270 | // -------------------------------------------------------------- | |
271 | // MC particle loop | |
272 | // | |
10ebe68d | 273 | |
10ebe68d | 274 | Int_t nPrim = stack->GetNprimary(); |
275 | ||
276 | for (Int_t iMc = 0; iMc < nPrim; ++iMc) | |
277 | { | |
278 | TParticle* particle = stack->Particle(iMc); | |
85ae901e | 279 | |
10ebe68d | 280 | if (!particle) |
281 | { | |
282 | AliDebug(AliLog::kError, Form("UNEXPECTED: particle with label %d not found in stack (mc loop).", iMc)); | |
283 | continue; | |
284 | } | |
285 | ||
286 | if (AliPWG0Helper::IsPrimaryCharged(particle, nPrim) == kFALSE) | |
287 | continue; | |
85ae901e | 288 | |
38faa1b9 | 289 | if (SignOK(particle->GetPDG()) == kFALSE) |
290 | continue; | |
85ae901e | 291 | |
10ebe68d | 292 | Float_t eta = particle->Eta(); |
293 | Float_t pt = particle->Pt(); | |
85ae901e | 294 | |
10ebe68d | 295 | Int_t id = -1; |
296 | switch (TMath::Abs(particle->GetPdgCode())) | |
85ae901e | 297 | { |
10ebe68d | 298 | case 211: id = 0; break; |
299 | case 321: id = 1; break; | |
300 | case 2212: id = 2; break; | |
7af955da | 301 | case 11: |
61385583 | 302 | { |
7af955da | 303 | /*if (pt < 0.1 && particle->GetMother(0) > -1) |
61385583 | 304 | { |
305 | TParticle* mother = stack->Particle(particle->GetMother(0)); | |
306 | printf("Mother pdg code is %d\n", mother->GetPdgCode()); | |
7af955da | 307 | } */ |
61385583 | 308 | //particle->Dump(); |
309 | //if (particle->GetUniqueID() == 1) | |
310 | ||
7af955da | 311 | //printf("Found illegal particle mc id = %d file = %s event = %d\n", iMc, fTree->GetCurrentFile()->GetName(), fTree->GetTree()->GetReadEntry()); |
61385583 | 312 | } |
10ebe68d | 313 | default: id = 3; break; |
314 | } | |
315 | ||
85ae901e | 316 | if (eventTriggered & vertexReconstructed) { |
317 | if (fdNdEtaCorrectionSpecies[id]) | |
318 | fdNdEtaCorrectionSpecies[id]->FillMCParticle(vtxMC[2], eta, pt, eventTriggered, vertexReconstructed, 1); | |
7af955da | 319 | //if (pt < 0.1) |
85ae901e | 320 | if (fPIDParticles) |
321 | fPIDParticles->Fill(particle->GetPdgCode()); | |
322 | } | |
323 | ||
324 | // non diffractive | |
325 | if (processtype!=92 && processtype!=93 && processtype!=94) { | |
326 | if (triggerBiasStudy) fdNdEtaCorrectionTriggerBias[0]->FillMCParticle(vtxMC[2], eta, pt, eventTriggered, vertexReconstructed, 1); | |
327 | if (vertexRecoStudy) fdNdEtaCorrectionVertexReco[0] ->FillMCParticle(vtxMC[2], eta, pt, eventTriggered, vertexReconstructed, 1); | |
328 | } | |
329 | // single diffractive | |
330 | if (processtype==92 || processtype==93) { | |
331 | if (triggerBiasStudy) fdNdEtaCorrectionTriggerBias[1]->FillMCParticle(vtxMC[2], eta, pt, eventTriggered, vertexReconstructed, 1); | |
332 | if (vertexRecoStudy) fdNdEtaCorrectionVertexReco[1] ->FillMCParticle(vtxMC[2], eta, pt, eventTriggered, vertexReconstructed, 1); | |
333 | } | |
334 | // double diffractive | |
335 | if (processtype==94) { | |
336 | if (triggerBiasStudy) fdNdEtaCorrectionTriggerBias[2]->FillMCParticle(vtxMC[2], eta, pt, eventTriggered, vertexReconstructed, 1); | |
337 | if (vertexRecoStudy) fdNdEtaCorrectionVertexReco[2] ->FillMCParticle(vtxMC[2], eta, pt, eventTriggered, vertexReconstructed, 1); | |
61385583 | 338 | } |
10ebe68d | 339 | |
10ebe68d | 340 | }// end of mc particle |
341 | ||
85ae901e | 342 | |
343 | // -------------------------------------------------------------- | |
344 | // ESD track loop | |
345 | // | |
346 | ||
347 | if (fMultiplicityMode == 1 && listOfTracks->GetEntries() > 20 || | |
348 | fMultiplicityMode == 2 && listOfTracks->GetEntries() < 40) | |
349 | { | |
350 | delete listOfTracks; | |
351 | listOfTracks = 0; | |
352 | return kTRUE; | |
353 | } | |
354 | ||
10ebe68d | 355 | // loop over esd tracks |
356 | TIterator* iter = listOfTracks->MakeIterator(); | |
357 | TObject* obj = 0; | |
358 | while ((obj = iter->Next()) != 0) | |
359 | { | |
360 | AliESDtrack* esdTrack = dynamic_cast<AliESDtrack*> (obj); | |
361 | if (!esdTrack) | |
e263ff38 | 362 | continue; |
363 | ||
364 | // using the properties of the mc particle | |
365 | Int_t label = TMath::Abs(esdTrack->GetLabel()); | |
366 | TParticle* particle = stack->Particle(label); | |
367 | if (!particle) | |
368 | { | |
369 | AliDebug(AliLog::kError, Form("UNEXPECTED: particle with label %d not found in stack (track loop).", label)); | |
10ebe68d | 370 | continue; |
e263ff38 | 371 | } |
10ebe68d | 372 | |
2e88424e | 373 | Float_t eta = particle->Eta(); |
374 | Float_t pt = particle->Pt(); | |
375 | ||
376 | // non diffractive | |
377 | if (processtype!=92 && processtype!=93 && processtype!=94) { | |
378 | if (triggerBiasStudy) fdNdEtaCorrectionTriggerBias[0]->FillTrackedParticle(vtxMC[2], eta, pt); | |
379 | if (vertexRecoStudy) fdNdEtaCorrectionVertexReco[0] ->FillTrackedParticle(vtxMC[2], eta, pt); | |
380 | } | |
381 | ||
382 | // single diffractive | |
383 | if (processtype==92 || processtype==93) { | |
384 | if (triggerBiasStudy) fdNdEtaCorrectionTriggerBias[1]->FillTrackedParticle(vtxMC[2], eta, pt); | |
385 | if (vertexRecoStudy) fdNdEtaCorrectionVertexReco[1] ->FillTrackedParticle(vtxMC[2], eta, pt); | |
386 | } | |
387 | ||
388 | // double diffractive | |
389 | if (processtype==94) { | |
390 | if (triggerBiasStudy) fdNdEtaCorrectionTriggerBias[2]->FillTrackedParticle(vtxMC[2], eta, pt); | |
391 | if (vertexRecoStudy) fdNdEtaCorrectionVertexReco[2] ->FillTrackedParticle(vtxMC[2], eta, pt); | |
392 | } | |
2e88424e | 393 | |
7af955da | 394 | // find primary particle that created this particle |
447c325d | 395 | TParticle* mother = AliPWG0depHelper::FindPrimaryMother(stack, label); |
7af955da | 396 | if (!mother) |
397 | continue; | |
398 | ||
38faa1b9 | 399 | if (SignOK(mother->GetPDG()) == kFALSE) |
400 | continue; | |
401 | ||
7af955da | 402 | //printf("We continue with particle %d (pdg %d)\n", label, mother->GetPdgCode()); |
403 | ||
10ebe68d | 404 | Int_t id = -1; |
7af955da | 405 | switch (TMath::Abs(mother->GetPdgCode())) |
10ebe68d | 406 | { |
9f469bf5 | 407 | case 211: id = 0; break; |
408 | case 321: id = 1; break; | |
10ebe68d | 409 | case 2212: id = 2; break; |
9f469bf5 | 410 | default: id = 3; break; |
10ebe68d | 411 | } |
412 | ||
85ae901e | 413 | if (vertexReconstructed && eventTriggered) { |
414 | if (fdNdEtaCorrectionSpecies[id]) | |
415 | fdNdEtaCorrectionSpecies[id]->FillTrackedParticle(vtxMC[2], eta, pt); | |
416 | //if (pt < 0.1) | |
417 | if (fPIDTracks) | |
418 | fPIDTracks->Fill(particle->GetPdgCode()); | |
61385583 | 419 | } |
85ae901e | 420 | } // end of track loop |
421 | ||
422 | ||
10ebe68d | 423 | delete iter; |
424 | iter = 0; | |
85ae901e | 425 | |
426 | if (fSecondaries) | |
427 | FillSecondaries(); | |
428 | ||
429 | if (fSigmaVertex) | |
430 | FillSigmaVertex(); | |
431 | ||
432 | ||
433 | delete listOfTracks; | |
434 | listOfTracks = 0; | |
435 | ||
436 | return kTRUE; | |
10ebe68d | 437 | } |
438 | ||
7af955da | 439 | void AlidNdEtaSystematicsSelector::FillSecondaries() |
10ebe68d | 440 | { |
441 | // fills the secondary histograms | |
85ae901e | 442 | |
10ebe68d | 443 | AliStack* stack = GetStack(); |
444 | ||
7af955da | 445 | Int_t particlesPrimaries = 0; |
446 | Int_t particlesSecondaries = 0; | |
447 | Int_t particlesPrimariesPtCut = 0; | |
448 | Int_t particlesSecondariesPtCut = 0; | |
10ebe68d | 449 | |
7af955da | 450 | for (Int_t iParticle = 0; iParticle < stack->GetNtrack(); iParticle++) |
10ebe68d | 451 | { |
7af955da | 452 | TParticle* particle = stack->Particle(iParticle); |
453 | if (!particle) | |
454 | { | |
455 | AliDebug(AliLog::kError, Form("UNEXPECTED: particle with label %d not found in stack (particle loop).", iParticle)); | |
456 | continue; | |
457 | } | |
458 | ||
459 | if (TMath::Abs(particle->Eta()) > 0.9) | |
460 | continue; | |
461 | ||
462 | Bool_t isPrimary = kFALSE; | |
463 | if (iParticle < stack->GetNprimary()) | |
464 | { | |
465 | if (AliPWG0Helper::IsPrimaryCharged(particle, stack->GetNprimary()) == kFALSE) | |
466 | continue; | |
467 | ||
468 | isPrimary = kTRUE; | |
469 | } | |
470 | ||
471 | if (isPrimary) | |
472 | particlesPrimaries++; | |
473 | else | |
474 | particlesSecondaries++; | |
475 | ||
476 | if (particle->Pt() < 0.3) | |
477 | continue; | |
478 | ||
479 | if (isPrimary) | |
480 | particlesPrimariesPtCut++; | |
481 | else | |
482 | particlesSecondariesPtCut++; | |
483 | } | |
484 | ||
485 | fSecondaries->Fill(1, particlesPrimaries); | |
486 | fSecondaries->Fill(2, particlesSecondaries); | |
487 | fSecondaries->Fill(3, particlesPrimariesPtCut); | |
488 | fSecondaries->Fill(4, particlesSecondariesPtCut); | |
489 | ||
490 | Int_t allTracksPrimaries = 0; | |
491 | Int_t allTracksSecondaries = 0; | |
492 | Int_t acceptedTracksPrimaries = 0; | |
493 | Int_t acceptedTracksSecondaries = 0; | |
494 | ||
495 | for (Int_t iTrack = 0; iTrack < fESD->GetNumberOfTracks(); iTrack++) | |
496 | { | |
497 | AliESDtrack* esdTrack = fESD->GetTrack(iTrack); | |
10ebe68d | 498 | if (!esdTrack) |
7af955da | 499 | { |
500 | AliDebug(AliLog::kError, Form("UNEXPECTED: Could not get track %d.", iTrack)); | |
10ebe68d | 501 | continue; |
7af955da | 502 | } |
10ebe68d | 503 | |
504 | Int_t label = TMath::Abs(esdTrack->GetLabel()); | |
10ebe68d | 505 | TParticle* particle = stack->Particle(label); |
506 | if (!particle) | |
507 | { | |
508 | AliDebug(AliLog::kError, Form("UNEXPECTED: particle with label %d not found in stack (track loop).", label)); | |
509 | continue; | |
510 | } | |
511 | ||
7af955da | 512 | if (label < stack->GetNprimary()) |
513 | allTracksPrimaries++; | |
10ebe68d | 514 | else |
7af955da | 515 | allTracksSecondaries++; |
10ebe68d | 516 | |
7af955da | 517 | if (!fEsdTrackCuts->AcceptTrack(esdTrack)) |
518 | continue; | |
10ebe68d | 519 | |
7af955da | 520 | if (label < stack->GetNprimary()) |
521 | acceptedTracksPrimaries++; | |
522 | else | |
523 | acceptedTracksSecondaries++; | |
10ebe68d | 524 | } |
525 | ||
7af955da | 526 | fSecondaries->Fill(5, allTracksPrimaries); |
527 | fSecondaries->Fill(6, allTracksSecondaries); | |
528 | fSecondaries->Fill(7, acceptedTracksPrimaries); | |
529 | fSecondaries->Fill(8, acceptedTracksSecondaries); | |
10ebe68d | 530 | |
7af955da | 531 | //printf("P = %d, S = %d, P_pt = %d, S_pt = %d, T_P = %d, T_S = %d, T_P_acc = %d, T_S_acc = %d\n", particlesPrimaries, particlesSecondaries, particlesPrimariesPtCut, particlesSecondariesPtCut, allTracksPrimaries, allTracksSecondaries, acceptedTracksPrimaries, acceptedTracksSecondaries); |
10ebe68d | 532 | } |
533 | ||
9f469bf5 | 534 | void AlidNdEtaSystematicsSelector::FillSigmaVertex() |
535 | { | |
536 | // fills the fSigmaVertex histogram | |
537 | ||
538 | // save the old value | |
539 | Float_t oldSigmaVertex = fEsdTrackCuts->GetMinNsigmaToVertex(); | |
540 | ||
541 | // set to maximum | |
542 | fEsdTrackCuts->SetMinNsigmaToVertex(5); | |
543 | ||
544 | TObjArray* list = fEsdTrackCuts->GetAcceptedTracks(fESD); | |
545 | ||
546 | TIterator* iter = list->MakeIterator(); | |
547 | TObject* obj = 0; | |
548 | while ((obj = iter->Next()) != 0) | |
549 | { | |
550 | AliESDtrack* esdTrack = dynamic_cast<AliESDtrack*> (obj); | |
551 | if (!esdTrack) | |
552 | continue; | |
553 | ||
554 | Float_t sigma2Vertex = fEsdTrackCuts->GetSigmaToVertex(esdTrack); | |
555 | ||
72e597d7 | 556 | for (Double_t nSigma = 0.1; nSigma < 5.05; nSigma += 0.1) |
9f469bf5 | 557 | { |
558 | if (sigma2Vertex < nSigma) | |
559 | fSigmaVertex->Fill(nSigma); | |
560 | } | |
561 | } | |
562 | ||
563 | delete iter; | |
564 | iter = 0; | |
565 | ||
566 | delete list; | |
567 | list = 0; | |
568 | ||
569 | // set back the old value | |
570 | fEsdTrackCuts->SetMinNsigmaToVertex(oldSigmaVertex); | |
571 | } | |
572 | ||
10ebe68d | 573 | void AlidNdEtaSystematicsSelector::SlaveTerminate() |
574 | { | |
575 | // The SlaveTerminate() function is called after all entries or objects | |
576 | // have been processed. When running with PROOF SlaveTerminate() is called | |
577 | // on each slave server. | |
578 | ||
579 | AliSelector::SlaveTerminate(); | |
580 | ||
581 | // Add the histograms to the output on each slave server | |
582 | if (!fOutput) | |
583 | { | |
584 | AliDebug(AliLog::kError, Form("ERROR: Output list not initialized.")); | |
585 | return; | |
586 | } | |
587 | ||
588 | if (fSecondaries) | |
589 | fOutput->Add(fSecondaries); | |
590 | ||
591 | for (Int_t i=0; i<4; ++i) | |
6de7db91 | 592 | if (fdNdEtaCorrectionSpecies[i]) |
593 | fOutput->Add(fdNdEtaCorrectionSpecies[i]); | |
9f469bf5 | 594 | |
595 | if (fSigmaVertex) | |
596 | fOutput->Add(fSigmaVertex); | |
6de7db91 | 597 | |
7b0956f3 | 598 | for (Int_t i=0; i<3; ++i) { |
6de7db91 | 599 | if (fdNdEtaCorrectionVertexReco[i]) |
600 | fOutput->Add(fdNdEtaCorrectionVertexReco[i]); | |
7b0956f3 | 601 | |
602 | if (fdNdEtaCorrectionTriggerBias[i]) | |
603 | fOutput->Add(fdNdEtaCorrectionTriggerBias[i]); | |
604 | } | |
605 | ||
10ebe68d | 606 | } |
607 | ||
608 | void AlidNdEtaSystematicsSelector::Terminate() | |
609 | { | |
610 | // The Terminate() function is the last function to be called during | |
611 | // a query. It always runs on the client, it can be used to present | |
612 | // the results graphically or save the results to file. | |
613 | ||
614 | AliSelector::Terminate(); | |
615 | ||
7af955da | 616 | fSecondaries = dynamic_cast<TH2F*> (fOutput->FindObject("fSecondaries")); |
10ebe68d | 617 | for (Int_t i=0; i<4; ++i) |
6de7db91 | 618 | fdNdEtaCorrectionSpecies[i] = dynamic_cast<AlidNdEtaCorrection*> (fOutput->FindObject(Form("correction_%d", i))); |
9f469bf5 | 619 | fSigmaVertex = dynamic_cast<TH1F*> (fOutput->FindObject("fSigmaVertex")); |
10ebe68d | 620 | |
4c351225 | 621 | fdNdEtaCorrectionVertexReco[0] = dynamic_cast<AlidNdEtaCorrection*> (fOutput->FindObject("vertexRecoND")); |
622 | fdNdEtaCorrectionVertexReco[1] = dynamic_cast<AlidNdEtaCorrection*> (fOutput->FindObject("vertexRecoSD")); | |
623 | fdNdEtaCorrectionVertexReco[2] = dynamic_cast<AlidNdEtaCorrection*> (fOutput->FindObject("vertexRecoDD")); | |
624 | ||
625 | fdNdEtaCorrectionTriggerBias[0] = dynamic_cast<AlidNdEtaCorrection*> (fOutput->FindObject("triggerBiasND")); | |
626 | fdNdEtaCorrectionTriggerBias[1] = dynamic_cast<AlidNdEtaCorrection*> (fOutput->FindObject("triggerBiasSD")); | |
627 | fdNdEtaCorrectionTriggerBias[2] = dynamic_cast<AlidNdEtaCorrection*> (fOutput->FindObject("triggerBiasDD")); | |
628 | ||
0bd1f8a0 | 629 | if (fPIDParticles) |
630 | { | |
631 | TDatabasePDG* pdgDB = new TDatabasePDG; | |
61385583 | 632 | |
0bd1f8a0 | 633 | for (Int_t i=0; i <= fPIDParticles->GetNbinsX()+1; ++i) |
634 | if (fPIDParticles->GetBinContent(i) > 0) | |
6de7db91 | 635 | printf("PDG = %d (%s): generated: %d, reconstructed: %d, ratio: %f\n", |
636 | (Int_t) fPIDParticles->GetBinCenter(i), | |
637 | pdgDB->GetParticle((Int_t) fPIDParticles->GetBinCenter(i))->GetName(), | |
638 | (Int_t) fPIDParticles->GetBinContent(i), | |
639 | (Int_t) fPIDTracks->GetBinContent(i), | |
640 | ((fPIDTracks->GetBinContent(i) > 0) ? fPIDParticles->GetBinContent(i) / fPIDTracks->GetBinContent(i) : -1)); | |
61385583 | 641 | |
0bd1f8a0 | 642 | delete pdgDB; |
643 | pdgDB = 0; | |
644 | } | |
61385583 | 645 | |
7b0956f3 | 646 | for (Int_t i=0; i<3; ++i) { |
6de7db91 | 647 | if (fdNdEtaCorrectionVertexReco[i]) |
648 | fdNdEtaCorrectionVertexReco[i]->Finish(); | |
7b0956f3 | 649 | |
650 | if (fdNdEtaCorrectionTriggerBias[i]) | |
651 | fdNdEtaCorrectionTriggerBias[i]->Finish(); | |
652 | } | |
6de7db91 | 653 | |
10ebe68d | 654 | TFile* fout = TFile::Open("systematics.root", "RECREATE"); |
655 | ||
656 | if (fEsdTrackCuts) | |
657 | fEsdTrackCuts->SaveHistograms("esd_track_cuts"); | |
658 | ||
659 | if (fSecondaries) | |
660 | fSecondaries->Write(); | |
661 | ||
9f469bf5 | 662 | if (fSigmaVertex) |
663 | fSigmaVertex->Write(); | |
7b0956f3 | 664 | |
10ebe68d | 665 | for (Int_t i=0; i<4; ++i) |
6de7db91 | 666 | if (fdNdEtaCorrectionSpecies[i]) |
667 | fdNdEtaCorrectionSpecies[i]->SaveHistograms(); | |
668 | ||
7b0956f3 | 669 | for (Int_t i=0; i<3; ++i) { |
6de7db91 | 670 | if (fdNdEtaCorrectionVertexReco[i]) |
671 | fdNdEtaCorrectionVertexReco[i]->SaveHistograms(); | |
10ebe68d | 672 | |
7b0956f3 | 673 | if (fdNdEtaCorrectionTriggerBias[i]) |
674 | fdNdEtaCorrectionTriggerBias[i]->SaveHistograms(); | |
675 | } | |
676 | ||
10ebe68d | 677 | fout->Write(); |
678 | fout->Close(); | |
679 | ||
680 | if (fSecondaries) | |
681 | { | |
682 | new TCanvas; | |
7af955da | 683 | fSecondaries->Draw("COLZ"); |
10ebe68d | 684 | } |
9f469bf5 | 685 | |
686 | if (fSigmaVertex) | |
687 | { | |
688 | new TCanvas; | |
689 | fSigmaVertex->Draw(); | |
690 | } | |
10ebe68d | 691 | } |
38faa1b9 | 692 | |
693 | Bool_t AlidNdEtaSystematicsSelector::SignOK(TParticlePDG* particle) | |
694 | { | |
695 | // returns if a particle with this sign should be counted | |
696 | // this is determined by the value of fSignMode, which should have the same sign | |
697 | // as the charge | |
698 | // if fSignMode is 0 all particles are counted | |
699 | ||
700 | if (fSignMode == 0) | |
701 | return kTRUE; | |
702 | ||
703 | if (!particle) | |
704 | { | |
705 | printf("WARNING: not counting a particle that does not have a pdg particle\n"); | |
706 | return kFALSE; | |
707 | } | |
708 | ||
709 | Double_t charge = particle->Charge(); | |
710 | ||
711 | if (fSignMode > 0) | |
712 | if (charge < 0) | |
713 | return kFALSE; | |
714 | ||
715 | if (fSignMode < 0) | |
716 | if (charge > 0) | |
717 | return kFALSE; | |
718 | ||
719 | return kTRUE; | |
720 | } |