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eec7bbb0 | 1 | // Track QA task (efficiency and pt resolution) |
2 | // | |
3 | // Author: S.Aiola | |
4 | ||
5 | #include <TH3F.h> | |
6 | #include <THnSparse.h> | |
7 | #include <TMath.h> | |
8 | #include <TString.h> | |
9 | #include <Riostream.h> | |
10 | ||
11 | #include "AliPicoTrack.h" | |
12 | #include "AliAODMCParticle.h" | |
13 | #include "AliParticleContainer.h" | |
14 | #include "AliLog.h" | |
15 | ||
16 | #include "AliEmcalTrackingQATask.h" | |
17 | ||
18 | ClassImp(AliEmcalTrackingQATask) | |
19 | ||
20 | //________________________________________________________________________ | |
21 | AliEmcalTrackingQATask::AliEmcalTrackingQATask() : | |
22 | AliAnalysisTaskEmcal("AliEmcalTrackingQA", kTRUE), | |
d7ab1a93 | 23 | fSelectHIJING(kTRUE), |
eec7bbb0 | 24 | fGeneratorLevel(0), |
25 | fDetectorLevel(0), | |
26 | fTracksAll(0), | |
27 | fTracksSelected(0), | |
28 | fParticlesAllPhysPrim(0), | |
29 | fParticlesSelected(0), | |
30 | fParticlesFindable(0), | |
31 | fParticlesMatched(0) | |
32 | { | |
33 | // Default constructor. | |
34 | ||
35 | SetMakeGeneralHistograms(kTRUE); | |
36 | } | |
37 | ||
38 | //________________________________________________________________________ | |
39 | AliEmcalTrackingQATask::AliEmcalTrackingQATask(const char *name) : | |
40 | AliAnalysisTaskEmcal(name, kTRUE), | |
d7ab1a93 | 41 | fSelectHIJING(kTRUE), |
eec7bbb0 | 42 | fGeneratorLevel(0), |
43 | fDetectorLevel(0), | |
44 | fTracksAll(0), | |
45 | fTracksSelected(0), | |
46 | fParticlesAllPhysPrim(0), | |
47 | fParticlesSelected(0), | |
48 | fParticlesFindable(0), | |
49 | fParticlesMatched(0) | |
50 | { | |
51 | // Standard constructor. | |
52 | ||
53 | SetMakeGeneralHistograms(kTRUE); | |
54 | } | |
55 | ||
56 | //________________________________________________________________________ | |
57 | AliEmcalTrackingQATask::~AliEmcalTrackingQATask() | |
58 | { | |
59 | // Destructor. | |
60 | } | |
61 | ||
62 | //________________________________________________________________________ | |
63 | void AliEmcalTrackingQATask::UserCreateOutputObjects() | |
64 | { | |
65 | // Create my user objects. | |
66 | ||
67 | AliAnalysisTaskEmcal::UserCreateOutputObjects(); | |
68 | ||
69 | if (!fCreateHisto) return; | |
70 | ||
71 | fTracksAll = new TH3**[fNcentBins]; | |
72 | fTracksSelected = new TH3**[fNcentBins]; | |
73 | fParticlesAllPhysPrim = new TH3*[fNcentBins]; | |
74 | fParticlesSelected = new TH3*[fNcentBins]; | |
75 | ||
76 | TString histname; | |
77 | ||
78 | for (Int_t i = 0; i < fNcentBins; i++) { | |
79 | ||
80 | fTracksAll[i] = new TH3*[3]; | |
81 | fTracksSelected[i] = new TH3*[3]; | |
82 | for (Int_t j = 0; j < 3; j++) { | |
83 | histname = Form("fTracksAll_%d_%d",i,j); | |
84 | fTracksAll[i][j] = new TH3F(histname,histname, 100, -1, 1, 101, 0, TMath::Pi() * 2.02, fNbins, fMinBinPt, fMaxBinPt); | |
85 | fTracksAll[i][j]->GetXaxis()->SetTitle("#eta"); | |
86 | fTracksAll[i][j]->GetYaxis()->SetTitle("#phi"); | |
87 | fTracksAll[i][j]->GetZaxis()->SetTitle("#it{p}_{T} (GeV/#it{c})"); | |
88 | fOutput->Add(fTracksAll[i][j]); | |
89 | ||
d7ab1a93 | 90 | if (fSelectHIJING) { |
91 | histname = Form("fTracksSelected_%d_%d",i,j); | |
92 | fTracksSelected[i][j] = new TH3F(histname,histname, 100, -1, 1, 101, 0, TMath::Pi() * 2.02, fNbins, fMinBinPt, fMaxBinPt); | |
93 | fTracksSelected[i][j]->GetXaxis()->SetTitle("#eta"); | |
94 | fTracksSelected[i][j]->GetYaxis()->SetTitle("#phi"); | |
95 | fTracksSelected[i][j]->GetZaxis()->SetTitle("#it{p}_{T} (GeV/#it{c})"); | |
96 | fOutput->Add(fTracksSelected[i][j]); | |
97 | } | |
eec7bbb0 | 98 | } |
99 | ||
100 | histname = Form("fParticlesAllPhysPrim_%d",i); | |
101 | fParticlesAllPhysPrim[i] = new TH3F(histname,histname, 100, -1, 1, 101, 0, TMath::Pi() * 2.02, fNbins, fMinBinPt, fMaxBinPt); | |
102 | fParticlesAllPhysPrim[i]->GetXaxis()->SetTitle("#eta"); | |
103 | fParticlesAllPhysPrim[i]->GetYaxis()->SetTitle("#phi"); | |
104 | fParticlesAllPhysPrim[i]->GetZaxis()->SetTitle("#it{p}_{T} (GeV/#it{c})"); | |
105 | fOutput->Add(fParticlesAllPhysPrim[i]); | |
106 | ||
d7ab1a93 | 107 | if (fSelectHIJING) { |
108 | histname = Form("fParticlesSelected_%d",i); | |
109 | fParticlesSelected[i] = new TH3F(histname,histname, 100, -1, 1, 101, 0, TMath::Pi() * 2.02, fNbins, fMinBinPt, fMaxBinPt); | |
110 | fParticlesSelected[i]->GetXaxis()->SetTitle("#eta"); | |
111 | fParticlesSelected[i]->GetYaxis()->SetTitle("#phi"); | |
112 | fParticlesSelected[i]->GetZaxis()->SetTitle("#it{p}_{T} (GeV/#it{c})"); | |
113 | fOutput->Add(fParticlesSelected[i]); | |
114 | } | |
eec7bbb0 | 115 | } |
116 | ||
117 | AllocateFindableParticlesTHnSparse(); | |
118 | AllocateMatchedParticlesTHnSparse(); | |
119 | ||
120 | PostData(1, fOutput); | |
121 | } | |
122 | ||
123 | //________________________________________________________________________ | |
124 | void AliEmcalTrackingQATask::AllocateFindableParticlesTHnSparse() | |
125 | { | |
126 | Int_t dim = 0; | |
127 | TString title[20]; | |
128 | Int_t nbins[20] = {0}; | |
129 | Double_t min[20] = {0}; | |
130 | Double_t max[20] = {0}; | |
131 | ||
132 | if (fForceBeamType != AliAnalysisTaskEmcal::kpp) { | |
133 | title[dim] = "Centrality %"; | |
134 | nbins[dim] = 101; | |
135 | min[dim] = 0; | |
136 | max[dim] = 101; | |
137 | dim++; | |
138 | } | |
139 | ||
140 | title[dim] = "#it{p}_{T} (GeV/#it{c})"; | |
141 | nbins[dim] = fNbins; | |
142 | min[dim] = fMinBinPt; | |
143 | max[dim] = fMaxBinPt; | |
144 | dim++; | |
145 | ||
146 | title[dim] = "#eta"; | |
147 | nbins[dim] = 100; | |
148 | min[dim] = -1; | |
149 | max[dim] = 1; | |
150 | dim++; | |
151 | ||
152 | title[dim] = "#phi"; | |
153 | nbins[dim] = 101; | |
154 | min[dim] = 0; | |
155 | max[dim] = TMath::Pi() * 2.02; | |
156 | dim++; | |
157 | ||
158 | fParticlesFindable = new THnSparseF("fParticlesFindable","fParticlesFindable",dim,nbins,min,max); | |
159 | for (Int_t i = 0; i < dim; i++) | |
160 | fParticlesFindable->GetAxis(i)->SetTitle(title[i]); | |
161 | fOutput->Add(fParticlesFindable); | |
162 | } | |
163 | ||
164 | //________________________________________________________________________ | |
165 | void AliEmcalTrackingQATask::AllocateMatchedParticlesTHnSparse() | |
166 | { | |
167 | Int_t dim = 0; | |
168 | TString title[20]; | |
169 | Int_t nbins[20] = {0}; | |
170 | Double_t min[20] = {0}; | |
171 | Double_t max[20] = {0}; | |
172 | ||
173 | if (fForceBeamType != AliAnalysisTaskEmcal::kpp) { | |
174 | title[dim] = "Centrality %"; | |
175 | nbins[dim] = 101; | |
176 | min[dim] = 0; | |
177 | max[dim] = 101; | |
178 | dim++; | |
179 | } | |
180 | ||
181 | title[dim] = "#it{p}_{T}^{gen} (GeV/#it{c})"; | |
182 | nbins[dim] = fNbins; | |
183 | min[dim] = fMinBinPt; | |
184 | max[dim] = fMaxBinPt; | |
185 | dim++; | |
186 | ||
187 | title[dim] = "#eta^{gen}"; | |
188 | nbins[dim] = 100; | |
189 | min[dim] = -1; | |
190 | max[dim] = 1; | |
191 | dim++; | |
192 | ||
193 | title[dim] = "#phi^{gen}"; | |
194 | nbins[dim] = 101; | |
195 | min[dim] = 0; | |
196 | max[dim] = TMath::Pi() * 2.02; | |
197 | dim++; | |
198 | ||
199 | title[dim] = "#it{p}_{T}^{det} (GeV/#it{c})"; | |
200 | nbins[dim] = fNbins; | |
201 | min[dim] = fMinBinPt; | |
202 | max[dim] = fMaxBinPt; | |
203 | dim++; | |
204 | ||
205 | title[dim] = "#eta^{det}"; | |
206 | nbins[dim] = 100; | |
207 | min[dim] = -1; | |
208 | max[dim] = 1; | |
209 | dim++; | |
210 | ||
211 | title[dim] = "#phi^{det}"; | |
212 | nbins[dim] = 101; | |
213 | min[dim] = 0; | |
214 | max[dim] = TMath::Pi() * 2.02; | |
215 | dim++; | |
216 | ||
217 | title[dim] = "(#it{p}_{T}^{gen} - #it{p}_{T}^{det}) / #it{p}_{T}^{gen}"; | |
218 | nbins[dim] = fNbins; | |
219 | min[dim] = -1; | |
220 | max[dim] = 1; | |
221 | dim++; | |
222 | ||
223 | title[dim] = "track type"; | |
224 | nbins[dim] = 3; | |
225 | min[dim] = -0.5; | |
226 | max[dim] = 2.5; | |
227 | dim++; | |
228 | ||
229 | fParticlesMatched = new THnSparseF("fParticlesMatched","fParticlesMatched",dim,nbins,min,max); | |
230 | for (Int_t i = 0; i < dim; i++) | |
231 | fParticlesMatched->GetAxis(i)->SetTitle(title[i]); | |
232 | fOutput->Add(fParticlesMatched); | |
233 | } | |
234 | ||
235 | //________________________________________________________________________ | |
236 | void AliEmcalTrackingQATask::SetGeneratorLevelName(const char* name) | |
237 | { | |
238 | if (!fGeneratorLevel) { // first check if the generator level array is set | |
239 | fGeneratorLevel = static_cast<AliParticleContainer*>(fParticleCollArray.At(0)); | |
240 | if (fGeneratorLevel) { // now check if the first collection array has been added already | |
241 | fGeneratorLevel->SetArrayName(name); | |
242 | } | |
243 | else { | |
244 | fGeneratorLevel = AddParticleContainer(name); | |
245 | } | |
246 | fGeneratorLevel->SetClassName("AliAODMCParticle"); | |
247 | fGeneratorLevel->SelectPhysicalPrimaries(kTRUE); | |
248 | } | |
249 | fGeneratorLevel->SetArrayName(name); | |
250 | } | |
251 | ||
252 | //________________________________________________________________________ | |
253 | void AliEmcalTrackingQATask::SetDetectorLevelName(const char* name) | |
254 | { | |
255 | if (!fGeneratorLevel) { | |
256 | AliError("Please, first set the generatol level array!"); | |
257 | return; | |
258 | } | |
259 | if (!fDetectorLevel) { // first check if the detector level array is set | |
260 | fDetectorLevel = static_cast<AliParticleContainer*>(fParticleCollArray.At(1)); | |
261 | if (fDetectorLevel) { // now check if the second collection array has been added already | |
262 | fDetectorLevel->SetArrayName(name); | |
263 | } | |
264 | else { | |
265 | fDetectorLevel = AddParticleContainer(name); | |
266 | } | |
267 | fDetectorLevel->SetClassName("AliPicoTrack"); | |
eec7bbb0 | 268 | } |
269 | fDetectorLevel->SetArrayName(name); | |
270 | } | |
271 | ||
272 | //________________________________________________________________________ | |
273 | void AliEmcalTrackingQATask::ExecOnce() | |
274 | { | |
275 | // Init the analysis. | |
276 | ||
277 | if (fParticleCollArray.GetEntriesFast() < 2) { | |
278 | AliFatal("This task needs at least two particle containers!"); | |
279 | } | |
280 | ||
281 | if (!fGeneratorLevel) { | |
282 | fGeneratorLevel = static_cast<AliParticleContainer*>(fParticleCollArray.At(0)); | |
283 | fGeneratorLevel->SetClassName("AliAODMCParticle"); | |
284 | } | |
285 | ||
286 | if (!fDetectorLevel) { | |
287 | fDetectorLevel = static_cast<AliParticleContainer*>(fParticleCollArray.At(1)); | |
288 | fDetectorLevel->SetClassName("AliPicoTrack"); | |
289 | } | |
290 | ||
291 | AliAnalysisTaskEmcal::ExecOnce(); | |
292 | } | |
293 | ||
294 | //________________________________________________________________________ | |
295 | void AliEmcalTrackingQATask::FillFindableParticlesTHnSparse(Double_t cent, Double_t partEta, Double_t partPhi, Double_t partPt) | |
296 | { | |
297 | Double_t contents[20]={0}; | |
298 | ||
299 | for (Int_t i = 0; i < fParticlesFindable->GetNdimensions(); i++) { | |
300 | TString title(fParticlesFindable->GetAxis(i)->GetTitle()); | |
301 | if (title=="Centrality %") | |
302 | contents[i] = cent; | |
303 | else if (title=="#it{p}_{T} (GeV/#it{c})") | |
304 | contents[i] = partPt; | |
305 | else if (title=="#eta") | |
306 | contents[i] = partEta; | |
307 | else if (title=="#phi") | |
308 | contents[i] = partPhi; | |
309 | else | |
310 | AliWarning(Form("Unable to fill dimension %s of histogram %s!", title.Data(), fParticlesFindable->GetName())); | |
311 | } | |
312 | ||
313 | fParticlesFindable->Fill(contents); | |
314 | } | |
315 | ||
316 | //________________________________________________________________________ | |
317 | void AliEmcalTrackingQATask::FillMatchedParticlesTHnSparse(Double_t cent, Double_t partEta, Double_t partPhi, Double_t partPt, | |
318 | Double_t trackEta, Double_t trackPhi, Double_t trackPt, Byte_t trackType) | |
319 | { | |
320 | Double_t contents[20]={0}; | |
321 | ||
322 | for (Int_t i = 0; i < fParticlesMatched->GetNdimensions(); i++) { | |
323 | TString title(fParticlesMatched->GetAxis(i)->GetTitle()); | |
324 | if (title=="Centrality %") | |
325 | contents[i] = cent; | |
326 | else if (title=="#it{p}_{T}^{gen} (GeV/#it{c})") | |
327 | contents[i] = partPt; | |
328 | else if (title=="#eta^{gen}") | |
329 | contents[i] = partEta; | |
330 | else if (title=="#phi^{gen}") | |
331 | contents[i] = partPhi; | |
332 | else if (title=="#it{p}_{T}^{det} (GeV/#it{c})") | |
333 | contents[i] = trackPt; | |
334 | else if (title=="#eta^{det}") | |
335 | contents[i] = trackEta; | |
336 | else if (title=="#phi^{det}") | |
337 | contents[i] = trackPhi; | |
338 | else if (title=="(#it{p}_{T}^{gen} - #it{p}_{T}^{det}) / #it{p}_{T}^{gen}") | |
339 | contents[i] = (partPt - trackPt) / partPt; | |
340 | else if (title=="track type") | |
b63add30 | 341 | contents[i] = (Double_t)trackType; |
eec7bbb0 | 342 | else |
343 | AliWarning(Form("Unable to fill dimension %s of histogram %s!", title.Data(), fParticlesMatched->GetName())); | |
344 | } | |
345 | ||
346 | fParticlesMatched->Fill(contents); | |
347 | } | |
348 | ||
349 | //________________________________________________________________________ | |
350 | Bool_t AliEmcalTrackingQATask::FillHistograms() | |
351 | { | |
352 | // Fill the histograms. | |
353 | ||
354 | AliPicoTrack *track = static_cast<AliPicoTrack*>(fDetectorLevel->GetNextAcceptParticle(0)); | |
355 | while (track != 0) { | |
356 | Byte_t type = track->GetTrackType(); | |
357 | if (type<= 2 && type >= 0) { | |
358 | fTracksAll[fCentBin][type]->Fill(track->Eta(), track->Phi(), track->Pt()); | |
359 | ||
360 | Int_t label = TMath::Abs(track->GetLabel()); | |
361 | ||
d7ab1a93 | 362 | if (fSelectHIJING && (label==0 || track->GetGeneratorIndex() == 0)) { |
363 | // reject particles generated from other generators in the cocktail but keep fake tracks (label == 0) | |
eec7bbb0 | 364 | fTracksSelected[fCentBin][type]->Fill(track->Eta(), track->Phi(), track->Pt()); |
365 | } | |
366 | ||
367 | if (label > 0) { | |
368 | AliAODMCParticle *part = static_cast<AliAODMCParticle*>(fGeneratorLevel->GetAcceptParticleWithLabel(label)); | |
369 | if (part) { | |
d7ab1a93 | 370 | if (!fSelectHIJING || part->GetGeneratorIndex() == 0) { |
eec7bbb0 | 371 | Int_t pdg = TMath::Abs(part->PdgCode()); |
372 | // select charged pions, protons, kaons , electrons, muons | |
373 | if (pdg == 211 || pdg == 2212 || pdg == 321 || pdg == 11 || pdg == 13) { | |
374 | FillMatchedParticlesTHnSparse(fCent, part->Eta(), part->Phi(), part->Pt(), track->Eta(), track->Phi(), track->Pt(), type); | |
375 | } | |
376 | } | |
377 | } | |
378 | } | |
379 | } | |
380 | else { | |
381 | AliError(Form("Track %d has type %d not recognized!", fDetectorLevel->GetCurrentID(), type)); | |
382 | } | |
383 | ||
384 | track = static_cast<AliPicoTrack*>(fDetectorLevel->GetNextAcceptParticle()); | |
385 | } | |
386 | ||
387 | AliAODMCParticle *part = static_cast<AliAODMCParticle*>(fGeneratorLevel->GetNextAcceptParticle(0)); | |
388 | while (part != 0) { | |
389 | fParticlesAllPhysPrim[fCentBin]->Fill(part->Eta(), part->Phi(), part->Pt()); | |
d7ab1a93 | 390 | if (!fSelectHIJING || part->GetGeneratorIndex() == 0) { |
391 | if (fSelectHIJING) fParticlesSelected[fCentBin]->Fill(part->Eta(), part->Phi(), part->Pt()); | |
eec7bbb0 | 392 | |
393 | Int_t pdg = TMath::Abs(part->PdgCode()); | |
394 | // select charged pions, protons, kaons , electrons, muons | |
395 | if (pdg == 211 || pdg == 2212 || pdg == 321 || pdg == 11 || pdg == 13) { | |
396 | FillFindableParticlesTHnSparse(fCent, part->Eta(), part->Phi(), part->Pt()); | |
397 | } | |
398 | } | |
399 | ||
400 | part = static_cast<AliAODMCParticle*>(fGeneratorLevel->GetNextAcceptParticle()); | |
401 | } | |
402 | ||
403 | return kTRUE; | |
404 | } |