adding flag for non-field data
[u/mrichter/AliRoot.git] / PWG0 / AliPWG0Helper.cxx
CommitLineData
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//____________________________________________________________________
33ClassImp(AliPWG0Helper)
34
a67484a6 35Int_t AliPWG0Helper::fgLastProcessType = -1;
36
04a7657f 37//____________________________________________________________________
69b09e3b 38Bool_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//____________________________________________________________________
112Bool_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 {
a7f69e56 125 case kAcceptAll:
126 {
127 return kTRUE;
128 break;
129 }
e9c3977b 130 case kMB1:
131 {
dd367a14 132 if (triggerMask & spdFO || ((triggerMask & v0left) || (triggerMask & v0right)))
e9c3977b 133 return kTRUE;
134 break;
135 }
136 case kMB2:
137 {
dd367a14 138 if (triggerMask & spdFO && ((triggerMask & v0left) || (triggerMask & v0right)))
e9c3977b 139 return kTRUE;
140 break;
141 }
69b09e3b 142 case kMB3:
143 {
144 if (triggerMask & spdFO && (triggerMask & v0left) && (triggerMask & v0right))
145 return kTRUE;
146 break;
147 }
1c15d51a 148 case kSPDFASTOR:
149 {
150 if (triggerMask & spdFO)
151 return kTRUE;
152 break;
153 }
69b09e3b 154 default:
155 Printf("IsEventTriggered: ERROR: Trigger type %d not implemented in this method", (Int_t) trigger);
156 break;
e9c3977b 157 }
04a7657f 158
159 return kFALSE;
160}
161
162//____________________________________________________________________
a6e0ebfe 163Bool_t AliPWG0Helper::TestVertex(const AliESDVertex* vertex, AnalysisMode analysisMode, Bool_t debug)
51f6de65 164{
165 // Checks if a vertex meets the needed quality criteria
166
167 Float_t requiredZResolution = -1;
a7f69e56 168 if (analysisMode & kSPD || analysisMode & kTPCITS)
51f6de65 169 {
170 requiredZResolution = 0.1;
171 }
a7f69e56 172 else if (analysisMode & kTPC)
51f6de65 173 requiredZResolution = 10.;
174
175 // check resolution
176 Double_t zRes = vertex->GetZRes();
177
178 if (zRes > requiredZResolution) {
179 if (debug)
180 Printf("AliPWG0Helper::TestVertex: Resolution too poor %f (required: %f", zRes, requiredZResolution);
181 return kFALSE;
182 }
183
184 return kTRUE;
185}
186
187//____________________________________________________________________
69b09e3b 188const AliESDVertex* AliPWG0Helper::GetVertex(AliESDEvent* aEsd, AnalysisMode analysisMode, Bool_t debug, Bool_t bRedoTPC)
770a1f1d 189{
190 // Get the vertex from the ESD and returns it if the vertex is valid
191 //
192 // Second argument decides which vertex is used (this selects
193 // also the quality criteria that are applied)
194
195 const AliESDVertex* vertex = 0;
a7f69e56 196 if (analysisMode & kSPD || analysisMode & kTPCITS)
770a1f1d 197 {
d1f50534 198 vertex = aEsd->GetPrimaryVertexSPD();
ebf31fda 199 if (debug)
200 Printf("AliPWG0Helper::GetVertex: Returning SPD vertex");
770a1f1d 201 }
a7f69e56 202 else if (analysisMode & kTPC)
770a1f1d 203 {
85737496 204 if(bRedoTPC){
69b09e3b 205 if (debug)
206 Printf("AliPWG0Helper::GetVertex: Redoing vertex");
51f6de65 207 Double_t kBz = aEsd->GetMagneticField();
85737496 208 AliVertexerTracks vertexer(kBz);
51f6de65 209 vertexer.SetTPCMode();
85737496 210 AliESDVertex *vTPC = vertexer.FindPrimaryVertex(aEsd);
211 aEsd->SetPrimaryVertexTPC(vTPC);
212 for (Int_t i=0; i<aEsd->GetNumberOfTracks(); i++) {
213 AliESDtrack *t = aEsd->GetTrack(i);
214 t->RelateToVertexTPC(vTPC, kBz, kVeryBig);
51f6de65 215 }
85737496 216 delete vTPC;
217 }
218
d1f50534 219 vertex = aEsd->GetPrimaryVertexTPC();
ebf31fda 220 if (debug)
221 Printf("AliPWG0Helper::GetVertex: Returning vertex from tracks");
770a1f1d 222 }
223 else
224 Printf("AliPWG0Helper::GetVertex: ERROR: Invalid second argument %d", analysisMode);
225
ebf31fda 226 if (!vertex) {
227 if (debug)
228 Printf("AliPWG0Helper::GetVertex: No vertex found in ESD");
770a1f1d 229 return 0;
ebf31fda 230 }
770a1f1d 231
232 // check Ncontributors
ebf31fda 233 if (vertex->GetNContributors() <= 0) {
85737496 234 if (debug){
235 Printf("AliPWG0Helper::GetVertex: NContributors() <= 0: %d",vertex->GetNContributors());
236 Printf("AliPWG0Helper::GetVertex: NIndices(): %d",vertex->GetNIndices());
51f6de65 237 vertex->Print();
85737496 238 }
770a1f1d 239 return 0;
ebf31fda 240 }
770a1f1d 241
242 // check resolution
243 Double_t zRes = vertex->GetZRes();
51f6de65 244 if (zRes == 0) {
245 Printf("AliPWG0Helper::GetVertex: UNEXPECTED: resolution is 0.");
770a1f1d 246 return 0;
ebf31fda 247 }
248
249 if (debug)
85737496 250 {
251 Printf("AliPWG0Helper::GetVertex: Returning valid vertex: %s", vertex->GetTitle());
252 vertex->Print();
253 }
770a1f1d 254
255 return vertex;
256}
257
258//____________________________________________________________________
7584d357 259Bool_t AliPWG0Helper::IsPrimaryCharged(TParticle* aParticle, Int_t aTotalPrimaries, Bool_t adebug)
04a7657f 260{
261 //
25db2d85 262 // this function checks if a particle from the event generator (i.e. among the nPrim particles in the stack)
263 // shall be counted as a primary particle
264 //
04a7657f 265 // This function or a equivalent should be available in some common place of AliRoot
266 //
dd367a14 267 // WARNING: Call this function only for particles that are among the particles from the event generator!
268 // --> stack->Particle(id) with id < stack->GetNprimary()
04a7657f 269
270 // if the particle has a daughter primary, we do not want to count it
271 if (aParticle->GetFirstDaughter() != -1 && aParticle->GetFirstDaughter() < aTotalPrimaries)
272 {
7584d357 273 if (adebug)
25db2d85 274 printf("Dropping particle because it has a daughter among the primaries.\n");
04a7657f 275 return kFALSE;
276 }
277
278 Int_t pdgCode = TMath::Abs(aParticle->GetPdgCode());
85737496 279
04a7657f 280
281 // skip quarks and gluon
282 if (pdgCode <= 10 || pdgCode == 21)
283 {
7584d357 284 if (adebug)
25db2d85 285 printf("Dropping particle because it is a quark or gluon.\n");
04a7657f 286 return kFALSE;
287 }
288
85737496 289 Int_t status = aParticle->GetStatusCode();
290 // skip non final state particles..
291 if(status!=1){
292 if (adebug)
293 printf("Dropping particle because it is not a final state particle.\n");
294 return kFALSE;
295 }
296
04a7657f 297 if (strcmp(aParticle->GetName(),"XXX") == 0)
298 {
1c15d51a 299 Printf("WARNING: There is a particle named XXX (pdg code %d).", pdgCode);
04a7657f 300 return kFALSE;
301 }
302
303 TParticlePDG* pdgPart = aParticle->GetPDG();
304
305 if (strcmp(pdgPart->ParticleClass(),"Unknown") == 0)
306 {
1c15d51a 307 Printf("WARNING: There is a particle with an unknown particle class (pdg code %d).", pdgCode);
04a7657f 308 return kFALSE;
309 }
310
311 if (pdgPart->Charge() == 0)
312 {
7584d357 313 if (adebug)
25db2d85 314 printf("Dropping particle because it is not charged.\n");
04a7657f 315 return kFALSE;
316 }
317
318 return kTRUE;
319}
847489f7 320
321//____________________________________________________________________
29771dc8 322void AliPWG0Helper::CreateProjections(TH3* hist, Bool_t save)
847489f7 323{
324 // create projections of 3d hists to all 2d combinations
325 // the histograms are not returned, just use them from memory or use this to create them in a file
326
327 TH1* proj = hist->Project3D("yx");
328 proj->SetXTitle(hist->GetXaxis()->GetTitle());
329 proj->SetYTitle(hist->GetYaxis()->GetTitle());
29771dc8 330 if (save)
331 proj->Write();
847489f7 332
333 proj = hist->Project3D("zx");
334 proj->SetXTitle(hist->GetXaxis()->GetTitle());
335 proj->SetYTitle(hist->GetZaxis()->GetTitle());
29771dc8 336 if (save)
337 proj->Write();
847489f7 338
339 proj = hist->Project3D("zy");
340 proj->SetXTitle(hist->GetYaxis()->GetTitle());
341 proj->SetYTitle(hist->GetZaxis()->GetTitle());
29771dc8 342 if (save)
343 proj->Write();
847489f7 344}
1afae8ff 345
346//____________________________________________________________________
29771dc8 347void AliPWG0Helper::CreateDividedProjections(TH3* hist, TH3* hist2, const char* axis, Bool_t putErrors, Bool_t save)
1afae8ff 348{
349 // create projections of the 3d hists divides them
350 // axis decides to which plane, if axis is 0 to all planes
351 // the histograms are not returned, just use them from memory or use this to create them in a file
352
353 if (axis == 0)
354 {
29771dc8 355 CreateDividedProjections(hist, hist2, "yx", putErrors, save);
356 CreateDividedProjections(hist, hist2, "zx", putErrors, save);
357 CreateDividedProjections(hist, hist2, "zy", putErrors, save);
1afae8ff 358
359 return;
360 }
361
362 TH1* proj = hist->Project3D(axis);
0ab29cfa 363
364 if (strlen(axis) == 2)
365 {
366 proj->SetYTitle(GetAxisTitle(hist, axis[0]));
367 proj->SetXTitle(GetAxisTitle(hist, axis[1]));
368 }
369 else if (strlen(axis) == 1)
370 proj->SetXTitle(GetAxisTitle(hist, axis[0]));
1afae8ff 371
372 TH1* proj2 = hist2->Project3D(axis);
0ab29cfa 373 if (strlen(axis) == 2)
374 {
375 proj2->SetYTitle(GetAxisTitle(hist2, axis[0]));
376 proj2->SetXTitle(GetAxisTitle(hist2, axis[1]));
377 }
378 else if (strlen(axis) == 1)
379 proj2->SetXTitle(GetAxisTitle(hist2, axis[0]));
1afae8ff 380
381 TH1* division = dynamic_cast<TH1*> (proj->Clone(Form("%s_div_%s", proj->GetName(), proj2->GetName())));
29771dc8 382 //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()));
383 //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 384 division->Divide(proj, proj2, 1, 1, "B");
29771dc8 385 division->SetTitle(Form("%s divided %s", proj->GetTitle(), proj2->GetTitle()));
0ab29cfa 386
387 if (putErrors)
388 {
389 division->Sumw2();
390 if (division->GetDimension() == 1)
391 {
392 Int_t nBins = division->GetNbinsX();
29771dc8 393 for (Int_t i = 1; i <= nBins; ++i)
0ab29cfa 394 if (proj2->GetBinContent(i) != 0)
395 division->SetBinError(i, TMath::Sqrt(proj->GetBinContent(i)) / proj2->GetBinContent(i));
396 }
397 else if (division->GetDimension() == 2)
398 {
399 Int_t nBinsX = division->GetNbinsX();
400 Int_t nBinsY = division->GetNbinsY();
29771dc8 401 for (Int_t i = 1; i <= nBinsX; ++i)
402 for (Int_t j = 1; j <= nBinsY; ++j)
0ab29cfa 403 if (proj2->GetBinContent(i, j) != 0)
404 division->SetBinError(i, j, TMath::Sqrt(proj->GetBinContent(i, j)) / proj2->GetBinContent(i, j));
405 }
406 }
29771dc8 407
408 if (save)
409 {
410 proj->Write();
411 proj2->Write();
412 division->Write();
413 }
1afae8ff 414}
415
92d2d8ad 416//____________________________________________________________________
25db2d85 417const char* AliPWG0Helper::GetAxisTitle(TH3* hist, const char axis)
92d2d8ad 418{
419 // returns the title of the axis given in axis (x, y, z)
420
421 if (axis == 'x')
422 return hist->GetXaxis()->GetTitle();
423 else if (axis == 'y')
424 return hist->GetYaxis()->GetTitle();
425 else if (axis == 'z')
426 return hist->GetZaxis()->GetTitle();
427
428 return 0;
429}
116083b1 430
6b62a9c7 431
1c15d51a 432AliPWG0Helper::MCProcessType AliPWG0Helper::GetPythiaEventProcessType(AliGenEventHeader* aHeader, Bool_t adebug) {
6b62a9c7 433
434 AliGenPythiaEventHeader* pythiaGenHeader = dynamic_cast<AliGenPythiaEventHeader*>(aHeader);
435
436 if (!pythiaGenHeader) {
437 printf("AliPWG0Helper::GetProcessType : Unknown gen Header type). \n");
438 return kInvalidProcess;
439 }
440
441
442 Int_t pythiaType = pythiaGenHeader->ProcessType();
a67484a6 443 fgLastProcessType = pythiaType;
6b62a9c7 444 MCProcessType globalType = kInvalidProcess;
445
446
447 if (adebug) {
448 printf("AliPWG0Helper::GetProcessType : Pythia process type found: %d \n",pythiaType);
449 }
450
451
452 if(pythiaType==92||pythiaType==93){
453 globalType = kSD;
454 }
455 else if(pythiaType==94){
456 globalType = kDD;
457 }
458 //else if(pythiaType != 91){ // also exclude elastic to be sure... CKB??
459 else {
460 globalType = kND;
461 }
462 return globalType;
463}
464
465
1c15d51a 466AliPWG0Helper::MCProcessType AliPWG0Helper::GetDPMjetEventProcessType(AliGenEventHeader* aHeader, Bool_t adebug) {
116083b1 467 //
468 // get the process type of the event.
469 //
470
471 // can only read pythia headers, either directly or from cocktalil header
6b62a9c7 472 AliGenDPMjetEventHeader* dpmJetGenHeader = dynamic_cast<AliGenDPMjetEventHeader*>(aHeader);
473
474 if (!dpmJetGenHeader) {
475 printf("AliPWG0Helper::GetDPMjetProcessType : Unknown header type (not DPMjet or). \n");
476 return kInvalidProcess;
477 }
478
479 Int_t dpmJetType = dpmJetGenHeader->ProcessType();
a67484a6 480 fgLastProcessType = dpmJetType;
6b62a9c7 481 MCProcessType globalType = kInvalidProcess;
482
483
484 if (adebug) {
485 printf("AliPWG0Helper::GetDPMJetProcessType : DPMJet process type found: %d \n",dpmJetType);
486 }
487
488
489 if(dpmJetType == 1){ // this is explicitly inelastic
490 globalType = kND;
491 }
492 else if(dpmJetType==5||dpmJetType==6){
493 globalType = kSD;
494 }
495 else if(dpmJetType==7||dpmJetType==4){// DD and double pomeron
496 globalType = kDD;
497 }
498 return globalType;
499}
500
501
1c15d51a 502AliPWG0Helper::MCProcessType AliPWG0Helper::GetEventProcessType(AliHeader* aHeader, Bool_t adebug) {
6b62a9c7 503 //
504 // get the process type of the event.
505 //
506
507
508 // Check for simple headers first
509
116083b1 510 AliGenPythiaEventHeader* pythiaGenHeader = dynamic_cast<AliGenPythiaEventHeader*>(aHeader->GenEventHeader());
6b62a9c7 511 if (pythiaGenHeader) {
512 return GetPythiaEventProcessType(pythiaGenHeader,adebug);
513 }
116083b1 514
6b62a9c7 515 AliGenDPMjetEventHeader* dpmJetGenHeader = dynamic_cast<AliGenDPMjetEventHeader*>(aHeader->GenEventHeader());
516 if (dpmJetGenHeader) {
517 return GetDPMjetEventProcessType(dpmJetGenHeader,adebug);
518 }
519
116083b1 520
6b62a9c7 521 // check for cocktail
116083b1 522
6b62a9c7 523 AliGenCocktailEventHeader* genCocktailHeader = dynamic_cast<AliGenCocktailEventHeader*>(aHeader->GenEventHeader());
524 if (!genCocktailHeader) {
525 printf("AliPWG0Helper::GetProcessType : Unknown header type (not Pythia or Cocktail). \n");
526 return kInvalidProcess;
527 }
116083b1 528
6b62a9c7 529 TList* headerList = genCocktailHeader->GetHeaders();
530 if (!headerList) {
531 return kInvalidProcess;
532 }
533
534 for (Int_t i=0; i<headerList->GetEntries(); i++) {
535
536 pythiaGenHeader = dynamic_cast<AliGenPythiaEventHeader*>(headerList->At(i));
537 if (pythiaGenHeader) {
538 return GetPythiaEventProcessType(pythiaGenHeader,adebug);
116083b1 539 }
540
6b62a9c7 541 dpmJetGenHeader = dynamic_cast<AliGenDPMjetEventHeader*>(headerList->At(i));
542 if (dpmJetGenHeader) {
543 return GetDPMjetEventProcessType(dpmJetGenHeader,adebug);
116083b1 544 }
545 }
6b62a9c7 546 return kInvalidProcess;
547}
116083b1 548
116083b1 549
116083b1 550
551//____________________________________________________________________
552TParticle* AliPWG0Helper::FindPrimaryMother(AliStack* stack, Int_t label)
553{
554 //
555 // Finds the first mother among the primary particles of the particle identified by <label>,
556 // i.e. the primary that "caused" this particle
557 //
558
559 Int_t motherLabel = FindPrimaryMotherLabel(stack, label);
560 if (motherLabel < 0)
561 return 0;
562
563 return stack->Particle(motherLabel);
564}
565
566//____________________________________________________________________
567Int_t AliPWG0Helper::FindPrimaryMotherLabel(AliStack* stack, Int_t label)
568{
569 //
570 // Finds the first mother among the primary particles of the particle identified by <label>,
571 // i.e. the primary that "caused" this particle
572 //
573 // returns its label
574 //
575
576 Int_t nPrim = stack->GetNprimary();
577
578 while (label >= nPrim)
579 {
580 //printf("Particle %d (pdg %d) is not a primary. Let's check its mother %d\n", label, mother->GetPdgCode(), mother->GetMother(0));
581
582 TParticle* particle = stack->Particle(label);
583 if (!particle)
584 {
585 AliDebugGeneral("FindPrimaryMother", AliLog::kError, Form("UNEXPECTED: particle with label %d not found in stack.", label));
586 return -1;
587 }
588
589 // find mother
590 if (particle->GetMother(0) < 0)
591 {
592 AliDebugGeneral("FindPrimaryMother", AliLog::kError, Form("UNEXPECTED: Could not find mother of secondary particle %d.", label));
593 return -1;
594 }
595
596 label = particle->GetMother(0);
597 }
598
599 return label;
600}
9cd015f7 601
dd367a14 602//____________________________________________________________________
603void AliPWG0Helper::NormalizeToBinWidth(TH1* hist)
604{
605 //
606 // normalizes a 1-d histogram to its bin width
607 //
608
609 for (Int_t i=1; i<=hist->GetNbinsX(); ++i)
610 {
611 hist->SetBinContent(i, hist->GetBinContent(i) / hist->GetBinWidth(i));
612 hist->SetBinError(i, hist->GetBinError(i) / hist->GetBinWidth(i));
613 }
614}
615
616//____________________________________________________________________
617void AliPWG0Helper::NormalizeToBinWidth(TH2* hist)
618{
619 //
620 // normalizes a 2-d histogram to its bin width (x width * y width)
621 //
622
623 for (Int_t i=1; i<=hist->GetNbinsX(); ++i)
624 for (Int_t j=1; j<=hist->GetNbinsY(); ++j)
625 {
626 Double_t factor = hist->GetXaxis()->GetBinWidth(i) * hist->GetYaxis()->GetBinWidth(j);
627 hist->SetBinContent(i, j, hist->GetBinContent(i, j) / factor);
628 hist->SetBinError(i, j, hist->GetBinError(i, j) / factor);
629 }
630}
d1f50534 631
632//____________________________________________________________________
633void AliPWG0Helper::PrintConf(AnalysisMode analysisMode, Trigger trigger)
634{
635 //
636 // Prints the given configuration
637 //
638
a7f69e56 639 TString str(">>>> Running with >");
640
641 if (analysisMode & kSPD)
642 str += "SPD-only";
643
644 if (analysisMode & kTPC)
645 str += "TPC-only";
646
647 if (analysisMode & kTPCITS)
648 str += "Global tracking";
d1f50534 649
a7f69e56 650 if (analysisMode & kFieldOn)
d1f50534 651 {
a7f69e56 652 str += " (with field)";
d1f50534 653 }
a7f69e56 654 else
655 str += " (WITHOUT field)";
656
657 str += "< and trigger >";
d1f50534 658
659 switch (trigger)
660 {
a7f69e56 661 case kAcceptAll : str += "ACCEPT ALL (bypass!)"; break;
d1f50534 662 case kMB1 : str += "MB1"; break;
663 case kMB2 : str += "MB2"; break;
69b09e3b 664 case kMB3 : str += "MB3"; break;
1c15d51a 665 case kSPDFASTOR : str += "SPD FASTOR"; break;
69b09e3b 666 case kOfflineMB1 : str += "Offline MB1"; break;
667 case kOfflineMB2 : str += "Offline MB2"; break;
668 case kOfflineMB3 : str += "Offline MB3"; break;
669 case kOfflineFASTOR : str += "Offline SPD FASTOR"; break;
d1f50534 670 }
671
a7f69e56 672 str += "< <<<<";
d1f50534 673
674 Printf("%s", str.Data());
675}
676