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04a7657f | 1 | /* $Id$ */ |
2 | ||
3 | #include <AliPWG0Helper.h> | |
4 | ||
5 | #include <TParticle.h> | |
6 | #include <TParticlePDG.h> | |
847489f7 | 7 | #include <TH1.h> |
dd367a14 | 8 | #include <TH2.h> |
25db2d85 | 9 | #include <TH3.h> |
116083b1 | 10 | #include <TList.h> |
9cd015f7 | 11 | #include <TTree.h> |
12 | #include <TBranch.h> | |
13 | #include <TLeaf.h> | |
116083b1 | 14 | |
15 | #include <AliHeader.h> | |
16 | #include <AliStack.h> | |
17 | #include <AliLog.h> | |
04a7657f | 18 | |
19 | #include <AliLog.h> | |
20 | #include <AliESD.h> | |
770a1f1d | 21 | #include <AliESDEvent.h> |
04a7657f | 22 | #include <AliESDVertex.h> |
85737496 | 23 | #include <AliVertexerTracks.h> |
69b09e3b | 24 | #include <AliMultiplicity.h> |
04a7657f | 25 | |
116083b1 | 26 | #include <AliGenEventHeader.h> |
27 | #include <AliGenPythiaEventHeader.h> | |
28 | #include <AliGenCocktailEventHeader.h> | |
6b62a9c7 | 29 | #include <AliGenDPMjetEventHeader.h> |
69b09e3b | 30 | #include <AliESDVZERO.h> |
116083b1 | 31 | |
04a7657f | 32 | //____________________________________________________________________ |
33 | ClassImp(AliPWG0Helper) | |
34 | ||
a67484a6 | 35 | Int_t AliPWG0Helper::fgLastProcessType = -1; |
36 | ||
04a7657f | 37 | //____________________________________________________________________ |
69b09e3b | 38 | Bool_t AliPWG0Helper::IsEventTriggered(const AliESDEvent* aEsd, Trigger trigger) |
116083b1 | 39 | { |
69b09e3b | 40 | // checks if an event has been triggered |
41 | // this function implements the "offline" methods that use the ESD, other trigger requests are passed to the function prototype with ULong_t | |
116083b1 | 42 | |
69b09e3b | 43 | Int_t firedChips = 0; |
44 | Bool_t v0A = kFALSE; | |
45 | Bool_t v0C = kFALSE; | |
46 | ||
47 | // offline triggers have to be dealt with here, because we need the esd pointer | |
48 | if (trigger == kOfflineFASTOR || trigger == kOfflineMB1 || trigger == kOfflineMB2 || trigger == kOfflineMB3) | |
49 | { | |
50 | const AliMultiplicity* mult = aEsd->GetMultiplicity(); | |
51 | if (!mult) | |
52 | { | |
53 | Printf("AliPWG0Helper::IsEventTriggered: ERROR: AliMultiplicity not available"); | |
54 | return kFALSE; | |
55 | } | |
56 | firedChips = mult->GetNumberOfFiredChips(0) + mult->GetNumberOfFiredChips(1); | |
57 | } | |
58 | if (trigger == kOfflineMB1 || trigger == kOfflineMB2 || trigger == kOfflineMB3) | |
59 | { | |
60 | AliESDVZERO* v0Data = aEsd->GetVZEROData(); | |
61 | if (!v0Data) | |
62 | { | |
63 | Printf("AliPWG0Helper::IsEventTriggered: ERROR: AliESDVZERO not available"); | |
64 | return kFALSE; | |
65 | } | |
66 | for (Int_t i=0; i<32; i++) | |
67 | { | |
68 | if (v0Data->BBTriggerV0A(i)) | |
69 | v0A = kTRUE; | |
70 | if (v0Data->BBTriggerV0C(i)) | |
71 | v0C = kTRUE; | |
72 | } | |
73 | } | |
74 | ||
75 | switch (trigger) | |
76 | { | |
77 | case kOfflineFASTOR: | |
78 | { | |
79 | if (firedChips > 0) | |
80 | return kTRUE; | |
81 | break; | |
82 | } | |
83 | case kOfflineMB1: | |
84 | { | |
85 | if ((firedChips > 0) || v0A || v0C) | |
86 | return kTRUE; | |
87 | break; | |
88 | } | |
89 | case kOfflineMB2: | |
90 | { | |
91 | if ((firedChips > 0) && (v0A || v0C)) | |
92 | return kTRUE; | |
93 | break; | |
94 | } | |
95 | case kOfflineMB3: | |
96 | { | |
97 | if ((firedChips > 0) && v0A && v0C) | |
98 | return kTRUE; | |
99 | break; | |
100 | } | |
101 | default: | |
102 | { | |
103 | return IsEventTriggered(aEsd->GetTriggerMask(), trigger); | |
104 | break; | |
105 | } | |
106 | } | |
107 | ||
108 | return kFALSE; | |
116083b1 | 109 | } |
110 | ||
111 | //____________________________________________________________________ | |
112 | Bool_t AliPWG0Helper::IsEventTriggered(ULong64_t triggerMask, Trigger trigger) | |
04a7657f | 113 | { |
114 | // check if the event was triggered | |
115 | // | |
5c495d37 | 116 | // this function needs the branch fTriggerMask |
dd367a14 | 117 | |
dd367a14 | 118 | // definitions from p-p.cfg |
119 | ULong64_t spdFO = (1 << 14); | |
69b09e3b | 120 | ULong64_t v0left = (1 << 10); |
121 | ULong64_t v0right = (1 << 11); | |
04a7657f | 122 | |
e9c3977b | 123 | switch (trigger) |
124 | { | |
125 | case kMB1: | |
126 | { | |
dd367a14 | 127 | if (triggerMask & spdFO || ((triggerMask & v0left) || (triggerMask & v0right))) |
e9c3977b | 128 | return kTRUE; |
129 | break; | |
130 | } | |
131 | case kMB2: | |
132 | { | |
dd367a14 | 133 | if (triggerMask & spdFO && ((triggerMask & v0left) || (triggerMask & v0right))) |
e9c3977b | 134 | return kTRUE; |
135 | break; | |
136 | } | |
69b09e3b | 137 | case kMB3: |
138 | { | |
139 | if (triggerMask & spdFO && (triggerMask & v0left) && (triggerMask & v0right)) | |
140 | return kTRUE; | |
141 | break; | |
142 | } | |
1c15d51a | 143 | case kSPDFASTOR: |
144 | { | |
145 | if (triggerMask & spdFO) | |
146 | return kTRUE; | |
147 | break; | |
148 | } | |
69b09e3b | 149 | default: |
150 | Printf("IsEventTriggered: ERROR: Trigger type %d not implemented in this method", (Int_t) trigger); | |
151 | break; | |
e9c3977b | 152 | } |
04a7657f | 153 | |
154 | return kFALSE; | |
155 | } | |
156 | ||
51f6de65 | 157 | //____________________________________________________________________ |
a6e0ebfe | 158 | Bool_t AliPWG0Helper::TestVertex(const AliESDVertex* vertex, AnalysisMode analysisMode, Bool_t debug) |
51f6de65 | 159 | { |
160 | // Checks if a vertex meets the needed quality criteria | |
161 | ||
162 | Float_t requiredZResolution = -1; | |
163 | if (analysisMode == kSPD || analysisMode == kTPCITS) | |
164 | { | |
165 | requiredZResolution = 0.1; | |
166 | } | |
167 | else if (analysisMode == kTPC) | |
168 | requiredZResolution = 10.; | |
169 | ||
170 | // check resolution | |
171 | Double_t zRes = vertex->GetZRes(); | |
172 | ||
173 | if (zRes > requiredZResolution) { | |
174 | if (debug) | |
175 | Printf("AliPWG0Helper::TestVertex: Resolution too poor %f (required: %f", zRes, requiredZResolution); | |
176 | return kFALSE; | |
177 | } | |
178 | ||
179 | return kTRUE; | |
180 | } | |
181 | ||
770a1f1d | 182 | //____________________________________________________________________ |
69b09e3b | 183 | const AliESDVertex* AliPWG0Helper::GetVertex(AliESDEvent* aEsd, AnalysisMode analysisMode, Bool_t debug, Bool_t bRedoTPC) |
770a1f1d | 184 | { |
185 | // Get the vertex from the ESD and returns it if the vertex is valid | |
186 | // | |
187 | // Second argument decides which vertex is used (this selects | |
188 | // also the quality criteria that are applied) | |
189 | ||
190 | const AliESDVertex* vertex = 0; | |
770a1f1d | 191 | if (analysisMode == kSPD || analysisMode == kTPCITS) |
192 | { | |
d1f50534 | 193 | vertex = aEsd->GetPrimaryVertexSPD(); |
ebf31fda | 194 | if (debug) |
195 | Printf("AliPWG0Helper::GetVertex: Returning SPD vertex"); | |
770a1f1d | 196 | } |
51f6de65 | 197 | else if (analysisMode == kTPC) |
770a1f1d | 198 | { |
85737496 | 199 | if(bRedoTPC){ |
69b09e3b | 200 | if (debug) |
201 | Printf("AliPWG0Helper::GetVertex: Redoing vertex"); | |
51f6de65 | 202 | Double_t kBz = aEsd->GetMagneticField(); |
85737496 | 203 | AliVertexerTracks vertexer(kBz); |
51f6de65 | 204 | vertexer.SetTPCMode(); |
85737496 | 205 | AliESDVertex *vTPC = vertexer.FindPrimaryVertex(aEsd); |
206 | aEsd->SetPrimaryVertexTPC(vTPC); | |
207 | for (Int_t i=0; i<aEsd->GetNumberOfTracks(); i++) { | |
208 | AliESDtrack *t = aEsd->GetTrack(i); | |
209 | t->RelateToVertexTPC(vTPC, kBz, kVeryBig); | |
51f6de65 | 210 | } |
85737496 | 211 | delete vTPC; |
212 | } | |
213 | ||
d1f50534 | 214 | vertex = aEsd->GetPrimaryVertexTPC(); |
ebf31fda | 215 | if (debug) |
216 | Printf("AliPWG0Helper::GetVertex: Returning vertex from tracks"); | |
770a1f1d | 217 | } |
218 | else | |
219 | Printf("AliPWG0Helper::GetVertex: ERROR: Invalid second argument %d", analysisMode); | |
220 | ||
ebf31fda | 221 | if (!vertex) { |
222 | if (debug) | |
223 | Printf("AliPWG0Helper::GetVertex: No vertex found in ESD"); | |
770a1f1d | 224 | return 0; |
ebf31fda | 225 | } |
770a1f1d | 226 | |
227 | // check Ncontributors | |
ebf31fda | 228 | if (vertex->GetNContributors() <= 0) { |
85737496 | 229 | if (debug){ |
230 | Printf("AliPWG0Helper::GetVertex: NContributors() <= 0: %d",vertex->GetNContributors()); | |
231 | Printf("AliPWG0Helper::GetVertex: NIndices(): %d",vertex->GetNIndices()); | |
51f6de65 | 232 | vertex->Print(); |
85737496 | 233 | } |
770a1f1d | 234 | return 0; |
ebf31fda | 235 | } |
770a1f1d | 236 | |
237 | // check resolution | |
238 | Double_t zRes = vertex->GetZRes(); | |
51f6de65 | 239 | if (zRes == 0) { |
240 | Printf("AliPWG0Helper::GetVertex: UNEXPECTED: resolution is 0."); | |
770a1f1d | 241 | return 0; |
ebf31fda | 242 | } |
243 | ||
244 | if (debug) | |
85737496 | 245 | { |
246 | Printf("AliPWG0Helper::GetVertex: Returning valid vertex: %s", vertex->GetTitle()); | |
247 | vertex->Print(); | |
248 | } | |
770a1f1d | 249 | |
250 | return vertex; | |
251 | } | |
252 | ||
04a7657f | 253 | //____________________________________________________________________ |
7584d357 | 254 | Bool_t AliPWG0Helper::IsPrimaryCharged(TParticle* aParticle, Int_t aTotalPrimaries, Bool_t adebug) |
04a7657f | 255 | { |
256 | // | |
25db2d85 | 257 | // this function checks if a particle from the event generator (i.e. among the nPrim particles in the stack) |
258 | // shall be counted as a primary particle | |
259 | // | |
04a7657f | 260 | // This function or a equivalent should be available in some common place of AliRoot |
261 | // | |
dd367a14 | 262 | // WARNING: Call this function only for particles that are among the particles from the event generator! |
263 | // --> stack->Particle(id) with id < stack->GetNprimary() | |
04a7657f | 264 | |
265 | // if the particle has a daughter primary, we do not want to count it | |
266 | if (aParticle->GetFirstDaughter() != -1 && aParticle->GetFirstDaughter() < aTotalPrimaries) | |
267 | { | |
7584d357 | 268 | if (adebug) |
25db2d85 | 269 | printf("Dropping particle because it has a daughter among the primaries.\n"); |
04a7657f | 270 | return kFALSE; |
271 | } | |
272 | ||
273 | Int_t pdgCode = TMath::Abs(aParticle->GetPdgCode()); | |
85737496 | 274 | |
04a7657f | 275 | |
276 | // skip quarks and gluon | |
277 | if (pdgCode <= 10 || pdgCode == 21) | |
278 | { | |
7584d357 | 279 | if (adebug) |
25db2d85 | 280 | printf("Dropping particle because it is a quark or gluon.\n"); |
04a7657f | 281 | return kFALSE; |
282 | } | |
283 | ||
85737496 | 284 | Int_t status = aParticle->GetStatusCode(); |
285 | // skip non final state particles.. | |
286 | if(status!=1){ | |
287 | if (adebug) | |
288 | printf("Dropping particle because it is not a final state particle.\n"); | |
289 | return kFALSE; | |
290 | } | |
291 | ||
04a7657f | 292 | if (strcmp(aParticle->GetName(),"XXX") == 0) |
293 | { | |
1c15d51a | 294 | Printf("WARNING: There is a particle named XXX (pdg code %d).", pdgCode); |
04a7657f | 295 | return kFALSE; |
296 | } | |
297 | ||
298 | TParticlePDG* pdgPart = aParticle->GetPDG(); | |
299 | ||
300 | if (strcmp(pdgPart->ParticleClass(),"Unknown") == 0) | |
301 | { | |
1c15d51a | 302 | Printf("WARNING: There is a particle with an unknown particle class (pdg code %d).", pdgCode); |
04a7657f | 303 | return kFALSE; |
304 | } | |
305 | ||
306 | if (pdgPart->Charge() == 0) | |
307 | { | |
7584d357 | 308 | if (adebug) |
25db2d85 | 309 | printf("Dropping particle because it is not charged.\n"); |
04a7657f | 310 | return kFALSE; |
311 | } | |
312 | ||
313 | return kTRUE; | |
314 | } | |
847489f7 | 315 | |
316 | //____________________________________________________________________ | |
29771dc8 | 317 | void AliPWG0Helper::CreateProjections(TH3* hist, Bool_t save) |
847489f7 | 318 | { |
319 | // create projections of 3d hists to all 2d combinations | |
320 | // the histograms are not returned, just use them from memory or use this to create them in a file | |
321 | ||
322 | TH1* proj = hist->Project3D("yx"); | |
323 | proj->SetXTitle(hist->GetXaxis()->GetTitle()); | |
324 | proj->SetYTitle(hist->GetYaxis()->GetTitle()); | |
29771dc8 | 325 | if (save) |
326 | proj->Write(); | |
847489f7 | 327 | |
328 | proj = hist->Project3D("zx"); | |
329 | proj->SetXTitle(hist->GetXaxis()->GetTitle()); | |
330 | proj->SetYTitle(hist->GetZaxis()->GetTitle()); | |
29771dc8 | 331 | if (save) |
332 | proj->Write(); | |
847489f7 | 333 | |
334 | proj = hist->Project3D("zy"); | |
335 | proj->SetXTitle(hist->GetYaxis()->GetTitle()); | |
336 | proj->SetYTitle(hist->GetZaxis()->GetTitle()); | |
29771dc8 | 337 | if (save) |
338 | proj->Write(); | |
847489f7 | 339 | } |
1afae8ff | 340 | |
341 | //____________________________________________________________________ | |
29771dc8 | 342 | void AliPWG0Helper::CreateDividedProjections(TH3* hist, TH3* hist2, const char* axis, Bool_t putErrors, Bool_t save) |
1afae8ff | 343 | { |
344 | // create projections of the 3d hists divides them | |
345 | // axis decides to which plane, if axis is 0 to all planes | |
346 | // the histograms are not returned, just use them from memory or use this to create them in a file | |
347 | ||
348 | if (axis == 0) | |
349 | { | |
29771dc8 | 350 | CreateDividedProjections(hist, hist2, "yx", putErrors, save); |
351 | CreateDividedProjections(hist, hist2, "zx", putErrors, save); | |
352 | CreateDividedProjections(hist, hist2, "zy", putErrors, save); | |
1afae8ff | 353 | |
354 | return; | |
355 | } | |
356 | ||
357 | TH1* proj = hist->Project3D(axis); | |
0ab29cfa | 358 | |
359 | if (strlen(axis) == 2) | |
360 | { | |
361 | proj->SetYTitle(GetAxisTitle(hist, axis[0])); | |
362 | proj->SetXTitle(GetAxisTitle(hist, axis[1])); | |
363 | } | |
364 | else if (strlen(axis) == 1) | |
365 | proj->SetXTitle(GetAxisTitle(hist, axis[0])); | |
1afae8ff | 366 | |
367 | TH1* proj2 = hist2->Project3D(axis); | |
0ab29cfa | 368 | if (strlen(axis) == 2) |
369 | { | |
370 | proj2->SetYTitle(GetAxisTitle(hist2, axis[0])); | |
371 | proj2->SetXTitle(GetAxisTitle(hist2, axis[1])); | |
372 | } | |
373 | else if (strlen(axis) == 1) | |
374 | proj2->SetXTitle(GetAxisTitle(hist2, axis[0])); | |
1afae8ff | 375 | |
376 | TH1* division = dynamic_cast<TH1*> (proj->Clone(Form("%s_div_%s", proj->GetName(), proj2->GetName()))); | |
29771dc8 | 377 | //printf("doing axis: %s, x axis has %d %d bins, min %f %f max %f %f\n", axis, division->GetNbinsX(), proj2->GetNbinsX(), division->GetXaxis()->GetBinLowEdge(1), proj2->GetXaxis()->GetBinLowEdge(1), division->GetXaxis()->GetBinUpEdge(division->GetNbinsX()), proj2->GetXaxis()->GetBinUpEdge(proj2->GetNbinsX())); |
378 | //printf("doing axis: %s, y axis has %d %d bins, min %f %f max %f %f\n", axis, division->GetNbinsY(), proj2->GetNbinsY(), division->GetYaxis()->GetBinLowEdge(1), proj2->GetYaxis()->GetBinLowEdge(1), division->GetYaxis()->GetBinUpEdge(division->GetNbinsY()), proj2->GetYaxis()->GetBinUpEdge(proj2->GetNbinsY())); | |
9e952c39 | 379 | division->Divide(proj, proj2, 1, 1, "B"); |
29771dc8 | 380 | division->SetTitle(Form("%s divided %s", proj->GetTitle(), proj2->GetTitle())); |
0ab29cfa | 381 | |
382 | if (putErrors) | |
383 | { | |
384 | division->Sumw2(); | |
385 | if (division->GetDimension() == 1) | |
386 | { | |
387 | Int_t nBins = division->GetNbinsX(); | |
29771dc8 | 388 | for (Int_t i = 1; i <= nBins; ++i) |
0ab29cfa | 389 | if (proj2->GetBinContent(i) != 0) |
390 | division->SetBinError(i, TMath::Sqrt(proj->GetBinContent(i)) / proj2->GetBinContent(i)); | |
391 | } | |
392 | else if (division->GetDimension() == 2) | |
393 | { | |
394 | Int_t nBinsX = division->GetNbinsX(); | |
395 | Int_t nBinsY = division->GetNbinsY(); | |
29771dc8 | 396 | for (Int_t i = 1; i <= nBinsX; ++i) |
397 | for (Int_t j = 1; j <= nBinsY; ++j) | |
0ab29cfa | 398 | if (proj2->GetBinContent(i, j) != 0) |
399 | division->SetBinError(i, j, TMath::Sqrt(proj->GetBinContent(i, j)) / proj2->GetBinContent(i, j)); | |
400 | } | |
401 | } | |
29771dc8 | 402 | |
403 | if (save) | |
404 | { | |
405 | proj->Write(); | |
406 | proj2->Write(); | |
407 | division->Write(); | |
408 | } | |
1afae8ff | 409 | } |
410 | ||
92d2d8ad | 411 | //____________________________________________________________________ |
25db2d85 | 412 | const char* AliPWG0Helper::GetAxisTitle(TH3* hist, const char axis) |
92d2d8ad | 413 | { |
414 | // returns the title of the axis given in axis (x, y, z) | |
415 | ||
416 | if (axis == 'x') | |
417 | return hist->GetXaxis()->GetTitle(); | |
418 | else if (axis == 'y') | |
419 | return hist->GetYaxis()->GetTitle(); | |
420 | else if (axis == 'z') | |
421 | return hist->GetZaxis()->GetTitle(); | |
422 | ||
423 | return 0; | |
424 | } | |
116083b1 | 425 | |
6b62a9c7 | 426 | |
1c15d51a | 427 | AliPWG0Helper::MCProcessType AliPWG0Helper::GetPythiaEventProcessType(AliGenEventHeader* aHeader, Bool_t adebug) { |
6b62a9c7 | 428 | |
429 | AliGenPythiaEventHeader* pythiaGenHeader = dynamic_cast<AliGenPythiaEventHeader*>(aHeader); | |
430 | ||
431 | if (!pythiaGenHeader) { | |
432 | printf("AliPWG0Helper::GetProcessType : Unknown gen Header type). \n"); | |
433 | return kInvalidProcess; | |
434 | } | |
435 | ||
436 | ||
437 | Int_t pythiaType = pythiaGenHeader->ProcessType(); | |
a67484a6 | 438 | fgLastProcessType = pythiaType; |
6b62a9c7 | 439 | MCProcessType globalType = kInvalidProcess; |
440 | ||
441 | ||
442 | if (adebug) { | |
443 | printf("AliPWG0Helper::GetProcessType : Pythia process type found: %d \n",pythiaType); | |
444 | } | |
445 | ||
446 | ||
447 | if(pythiaType==92||pythiaType==93){ | |
448 | globalType = kSD; | |
449 | } | |
450 | else if(pythiaType==94){ | |
451 | globalType = kDD; | |
452 | } | |
453 | //else if(pythiaType != 91){ // also exclude elastic to be sure... CKB?? | |
454 | else { | |
455 | globalType = kND; | |
456 | } | |
457 | return globalType; | |
458 | } | |
459 | ||
460 | ||
1c15d51a | 461 | AliPWG0Helper::MCProcessType AliPWG0Helper::GetDPMjetEventProcessType(AliGenEventHeader* aHeader, Bool_t adebug) { |
116083b1 | 462 | // |
463 | // get the process type of the event. | |
464 | // | |
465 | ||
466 | // can only read pythia headers, either directly or from cocktalil header | |
6b62a9c7 | 467 | AliGenDPMjetEventHeader* dpmJetGenHeader = dynamic_cast<AliGenDPMjetEventHeader*>(aHeader); |
468 | ||
469 | if (!dpmJetGenHeader) { | |
470 | printf("AliPWG0Helper::GetDPMjetProcessType : Unknown header type (not DPMjet or). \n"); | |
471 | return kInvalidProcess; | |
472 | } | |
473 | ||
474 | Int_t dpmJetType = dpmJetGenHeader->ProcessType(); | |
a67484a6 | 475 | fgLastProcessType = dpmJetType; |
6b62a9c7 | 476 | MCProcessType globalType = kInvalidProcess; |
477 | ||
478 | ||
479 | if (adebug) { | |
480 | printf("AliPWG0Helper::GetDPMJetProcessType : DPMJet process type found: %d \n",dpmJetType); | |
481 | } | |
482 | ||
483 | ||
484 | if(dpmJetType == 1){ // this is explicitly inelastic | |
485 | globalType = kND; | |
486 | } | |
487 | else if(dpmJetType==5||dpmJetType==6){ | |
488 | globalType = kSD; | |
489 | } | |
490 | else if(dpmJetType==7||dpmJetType==4){// DD and double pomeron | |
491 | globalType = kDD; | |
492 | } | |
493 | return globalType; | |
494 | } | |
495 | ||
496 | ||
1c15d51a | 497 | AliPWG0Helper::MCProcessType AliPWG0Helper::GetEventProcessType(AliHeader* aHeader, Bool_t adebug) { |
6b62a9c7 | 498 | // |
499 | // get the process type of the event. | |
500 | // | |
501 | ||
502 | ||
503 | // Check for simple headers first | |
504 | ||
116083b1 | 505 | AliGenPythiaEventHeader* pythiaGenHeader = dynamic_cast<AliGenPythiaEventHeader*>(aHeader->GenEventHeader()); |
6b62a9c7 | 506 | if (pythiaGenHeader) { |
507 | return GetPythiaEventProcessType(pythiaGenHeader,adebug); | |
508 | } | |
116083b1 | 509 | |
6b62a9c7 | 510 | AliGenDPMjetEventHeader* dpmJetGenHeader = dynamic_cast<AliGenDPMjetEventHeader*>(aHeader->GenEventHeader()); |
511 | if (dpmJetGenHeader) { | |
512 | return GetDPMjetEventProcessType(dpmJetGenHeader,adebug); | |
513 | } | |
514 | ||
116083b1 | 515 | |
6b62a9c7 | 516 | // check for cocktail |
116083b1 | 517 | |
6b62a9c7 | 518 | AliGenCocktailEventHeader* genCocktailHeader = dynamic_cast<AliGenCocktailEventHeader*>(aHeader->GenEventHeader()); |
519 | if (!genCocktailHeader) { | |
520 | printf("AliPWG0Helper::GetProcessType : Unknown header type (not Pythia or Cocktail). \n"); | |
521 | return kInvalidProcess; | |
522 | } | |
116083b1 | 523 | |
6b62a9c7 | 524 | TList* headerList = genCocktailHeader->GetHeaders(); |
525 | if (!headerList) { | |
526 | return kInvalidProcess; | |
527 | } | |
528 | ||
529 | for (Int_t i=0; i<headerList->GetEntries(); i++) { | |
530 | ||
531 | pythiaGenHeader = dynamic_cast<AliGenPythiaEventHeader*>(headerList->At(i)); | |
532 | if (pythiaGenHeader) { | |
533 | return GetPythiaEventProcessType(pythiaGenHeader,adebug); | |
116083b1 | 534 | } |
535 | ||
6b62a9c7 | 536 | dpmJetGenHeader = dynamic_cast<AliGenDPMjetEventHeader*>(headerList->At(i)); |
537 | if (dpmJetGenHeader) { | |
538 | return GetDPMjetEventProcessType(dpmJetGenHeader,adebug); | |
116083b1 | 539 | } |
540 | } | |
6b62a9c7 | 541 | return kInvalidProcess; |
542 | } | |
116083b1 | 543 | |
116083b1 | 544 | |
116083b1 | 545 | |
546 | //____________________________________________________________________ | |
547 | TParticle* AliPWG0Helper::FindPrimaryMother(AliStack* stack, Int_t label) | |
548 | { | |
549 | // | |
550 | // Finds the first mother among the primary particles of the particle identified by <label>, | |
551 | // i.e. the primary that "caused" this particle | |
552 | // | |
553 | ||
554 | Int_t motherLabel = FindPrimaryMotherLabel(stack, label); | |
555 | if (motherLabel < 0) | |
556 | return 0; | |
557 | ||
558 | return stack->Particle(motherLabel); | |
559 | } | |
560 | ||
561 | //____________________________________________________________________ | |
562 | Int_t AliPWG0Helper::FindPrimaryMotherLabel(AliStack* stack, Int_t label) | |
563 | { | |
564 | // | |
565 | // Finds the first mother among the primary particles of the particle identified by <label>, | |
566 | // i.e. the primary that "caused" this particle | |
567 | // | |
568 | // returns its label | |
569 | // | |
570 | ||
571 | Int_t nPrim = stack->GetNprimary(); | |
572 | ||
573 | while (label >= nPrim) | |
574 | { | |
575 | //printf("Particle %d (pdg %d) is not a primary. Let's check its mother %d\n", label, mother->GetPdgCode(), mother->GetMother(0)); | |
576 | ||
577 | TParticle* particle = stack->Particle(label); | |
578 | if (!particle) | |
579 | { | |
580 | AliDebugGeneral("FindPrimaryMother", AliLog::kError, Form("UNEXPECTED: particle with label %d not found in stack.", label)); | |
581 | return -1; | |
582 | } | |
583 | ||
584 | // find mother | |
585 | if (particle->GetMother(0) < 0) | |
586 | { | |
587 | AliDebugGeneral("FindPrimaryMother", AliLog::kError, Form("UNEXPECTED: Could not find mother of secondary particle %d.", label)); | |
588 | return -1; | |
589 | } | |
590 | ||
591 | label = particle->GetMother(0); | |
592 | } | |
593 | ||
594 | return label; | |
595 | } | |
9cd015f7 | 596 | |
dd367a14 | 597 | //____________________________________________________________________ |
598 | void AliPWG0Helper::NormalizeToBinWidth(TH1* hist) | |
599 | { | |
600 | // | |
601 | // normalizes a 1-d histogram to its bin width | |
602 | // | |
603 | ||
604 | for (Int_t i=1; i<=hist->GetNbinsX(); ++i) | |
605 | { | |
606 | hist->SetBinContent(i, hist->GetBinContent(i) / hist->GetBinWidth(i)); | |
607 | hist->SetBinError(i, hist->GetBinError(i) / hist->GetBinWidth(i)); | |
608 | } | |
609 | } | |
610 | ||
611 | //____________________________________________________________________ | |
612 | void AliPWG0Helper::NormalizeToBinWidth(TH2* hist) | |
613 | { | |
614 | // | |
615 | // normalizes a 2-d histogram to its bin width (x width * y width) | |
616 | // | |
617 | ||
618 | for (Int_t i=1; i<=hist->GetNbinsX(); ++i) | |
619 | for (Int_t j=1; j<=hist->GetNbinsY(); ++j) | |
620 | { | |
621 | Double_t factor = hist->GetXaxis()->GetBinWidth(i) * hist->GetYaxis()->GetBinWidth(j); | |
622 | hist->SetBinContent(i, j, hist->GetBinContent(i, j) / factor); | |
623 | hist->SetBinError(i, j, hist->GetBinError(i, j) / factor); | |
624 | } | |
625 | } | |
d1f50534 | 626 | |
627 | //____________________________________________________________________ | |
628 | void AliPWG0Helper::PrintConf(AnalysisMode analysisMode, Trigger trigger) | |
629 | { | |
630 | // | |
631 | // Prints the given configuration | |
632 | // | |
633 | ||
634 | TString str(">>>> Running with "); | |
635 | ||
636 | switch (analysisMode) | |
637 | { | |
773f84dc | 638 | case kInvalid: str += "invalid setting"; break; |
d1f50534 | 639 | case kSPD : str += "SPD-only"; break; |
640 | case kTPC : str += "TPC-only"; break; | |
641 | case kTPCITS : str += "Global tracking"; break; | |
642 | } | |
643 | ||
644 | str += " and trigger "; | |
645 | ||
646 | switch (trigger) | |
647 | { | |
648 | case kMB1 : str += "MB1"; break; | |
649 | case kMB2 : str += "MB2"; break; | |
69b09e3b | 650 | case kMB3 : str += "MB3"; break; |
1c15d51a | 651 | case kSPDFASTOR : str += "SPD FASTOR"; break; |
69b09e3b | 652 | case kOfflineMB1 : str += "Offline MB1"; break; |
653 | case kOfflineMB2 : str += "Offline MB2"; break; | |
654 | case kOfflineMB3 : str += "Offline MB3"; break; | |
655 | case kOfflineFASTOR : str += "Offline SPD FASTOR"; break; | |
d1f50534 | 656 | } |
657 | ||
658 | str += " <<<<"; | |
659 | ||
660 | Printf("%s", str.Data()); | |
661 | } | |
662 |