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