2 // Calculate the corrections in the central regions
14 #include "AliCentralMCCorrectionsTask.h"
15 #include "AliTriggerAnalysis.h"
16 #include "AliPhysicsSelection.h"
18 #include "AliHeader.h"
19 #include "AliGenEventHeader.h"
20 #include "AliESDEvent.h"
21 #include "AliAODHandler.h"
22 #include "AliMultiplicity.h"
23 #include "AliInputEventHandler.h"
25 #include "AliMCEvent.h"
26 #include "AliAODForwardMult.h"
27 #include "AliCentralCorrSecondaryMap.h"
30 #include <TDirectory.h>
35 //====================================================================
37 const char* GetEventName(Bool_t tr, Bool_t vtx)
39 return Form("nEvents%s%s", (tr ? "Tr" : ""), (vtx ? "Vtx" : ""));
41 /*const char* GetHitsName(UShort_t d, Char_t r)
43 return Form("hitsSPD%d%c", d, r);
45 const char* GetStripsName(UShort_t d, Char_t r)
47 return Form("stripsSPD%d%c", d, r);
49 const char* GetPrimaryName(Char_t r, Bool_t trVtx)
51 return Form("primaries%s%s",
52 ((r == 'I' || r == 'i') ? "Inner" : "Outer"),
53 (trVtx ? "TrVtx" : "All"));
58 //====================================================================
59 AliCentralMCCorrectionsTask::AliCentralMCCorrectionsTask()
60 : AliAnalysisTaskSE(),
81 //____________________________________________________________________
82 AliCentralMCCorrectionsTask::AliCentralMCCorrectionsTask(const char* name)
83 : AliAnalysisTaskSE(name),
84 fInspector("eventInspector"),
85 fTrackDensity("trackDensity"),
102 DefineOutput(1, TList::Class());
103 DefineOutput(2, TList::Class());
106 //____________________________________________________________________
107 AliCentralMCCorrectionsTask::AliCentralMCCorrectionsTask(const AliCentralMCCorrectionsTask& o)
108 : AliAnalysisTaskSE(o),
109 fInspector(o.fInspector),
112 fFirstEvent(o.fFirstEvent),
113 fHEvents(o.fHEvents),
114 fHEventsTr(o.fHEventsTr),
115 fHEventsTrVtx(o.fHEventsTrVtx),
119 fNPhiBins(o.fNPhiBins)
125 // o Object to copy from
129 //____________________________________________________________________
130 AliCentralMCCorrectionsTask&
131 AliCentralMCCorrectionsTask::operator=(const AliCentralMCCorrectionsTask& o)
134 // Assignment operator
137 // o Object to assign from
140 // Reference to this object
142 if (&o == this) return *this;
143 fInspector = o.fInspector;
144 fTrackDensity = o.fTrackDensity;
145 fVtxBins = o.fVtxBins;
146 fFirstEvent = o.fFirstEvent;
147 fHEvents = o.fHEvents;
148 fHEventsTr = o.fHEventsTr;
149 fHEventsTrVtx = o.fHEventsTrVtx;
150 SetVertexAxis(o.fVtxAxis);
151 SetEtaAxis(o.fEtaAxis);
152 fNPhiBins = o.fNPhiBins;
157 //____________________________________________________________________
159 AliCentralMCCorrectionsTask::Init()
162 // Initialize the task
167 //____________________________________________________________________
169 AliCentralMCCorrectionsTask::SetVertexAxis(Int_t nBin, Double_t min,
173 // Set the vertex axis to use
176 // nBins Number of bins
177 // vzMin Least @f$z@f$ coordinate of interation point
178 // vzMax Largest @f$z@f$ coordinate of interation point
186 AliWarning(Form("Minimum vertex %f < -10, make sure you want this",min));
188 AliWarning(Form("Minimum vertex %f > +10, make sure you want this",max));
189 fVtxAxis.Set(nBin, min, max);
191 //____________________________________________________________________
193 AliCentralMCCorrectionsTask::SetVertexAxis(const TAxis& axis)
196 // Set the vertex axis to use
201 SetVertexAxis(axis.GetNbins(),axis.GetXmin(),axis.GetXmax());
204 //____________________________________________________________________
206 AliCentralMCCorrectionsTask::SetEtaAxis(Int_t nBin, Double_t min, Double_t max)
209 // Set the eta axis to use
212 // nBins Number of bins
213 // vzMin Least @f$\eta@f$
214 // vzMax Largest @f$\eta@f$
222 AliWarning(Form("Minimum eta %f < -4, make sure you want this",min));
224 AliWarning(Form("Minimum eta %f > +6, make sure you want this",max));
225 fEtaAxis.Set(nBin, min, max);
227 //____________________________________________________________________
229 AliCentralMCCorrectionsTask::SetEtaAxis(const TAxis& axis)
232 // Set the eta axis to use
237 SetEtaAxis(axis.GetNbins(),axis.GetXmin(),axis.GetXmax());
240 //____________________________________________________________________
242 AliCentralMCCorrectionsTask::DefineBins(TList* l)
244 if (!fVtxBins) fVtxBins = new TObjArray(fVtxAxis.GetNbins(), 1);
245 if (fVtxBins->GetEntries() > 0) return;
247 fVtxBins->SetOwner();
248 for (Int_t i = 1; i <= fVtxAxis.GetNbins(); i++) {
249 Double_t low = fVtxAxis.GetBinLowEdge(i);
250 Double_t high = fVtxAxis.GetBinUpEdge(i);
251 VtxBin* bin = new VtxBin(low, high, fEtaAxis, fNPhiBins);
252 fVtxBins->AddAt(bin, i);
253 bin->DefineOutput(l);
257 //____________________________________________________________________
259 AliCentralMCCorrectionsTask::UserCreateOutputObjects()
262 // Create output objects
267 fList->SetName(Form("%sSums", GetName()));
271 fHEvents = new TH1I(GetEventName(false,false),
272 "Number of all events",
276 fHEvents->SetXTitle("v_{z} [cm]");
277 fHEvents->SetYTitle("# of events");
278 fHEvents->SetFillColor(kBlue+1);
279 fHEvents->SetFillStyle(3001);
280 fHEvents->SetDirectory(0);
281 fList->Add(fHEvents);
283 fHEventsTr = new TH1I(GetEventName(true, false),
284 "Number of triggered events",
288 fHEventsTr->SetXTitle("v_{z} [cm]");
289 fHEventsTr->SetYTitle("# of events");
290 fHEventsTr->SetFillColor(kRed+1);
291 fHEventsTr->SetFillStyle(3001);
292 fHEventsTr->SetDirectory(0);
293 fList->Add(fHEventsTr);
295 fHEventsTrVtx = new TH1I(GetEventName(true,true),
296 "Number of events w/trigger and vertex",
300 fHEventsTrVtx->SetXTitle("v_{z} [cm]");
301 fHEventsTrVtx->SetYTitle("# of events");
302 fHEventsTrVtx->SetFillColor(kBlue+1);
303 fHEventsTrVtx->SetFillStyle(3001);
304 fHEventsTrVtx->SetDirectory(0);
305 fList->Add(fHEventsTrVtx);
307 // Copy axis objects to output
308 TH1* vtxAxis = new TH1D("vtxAxis", "Vertex axis",
312 TH1* etaAxis = new TH1D("etaAxis", "Eta axis",
319 AliInfo(Form("Initialising sub-routines: %p, %p",
320 &fInspector, &fTrackDensity));
321 fInspector.DefineOutput(fList);
322 fInspector.Init(fVtxAxis);
323 fTrackDensity.DefineOutput(fList);
327 //____________________________________________________________________
329 AliCentralMCCorrectionsTask::UserExec(Option_t*)
332 // Process each event
338 // Get the input data - MC event
339 AliMCEvent* mcEvent = MCEvent();
341 AliWarning("No MC event found");
345 // Get the input data - ESD event
346 AliESDEvent* esd = dynamic_cast<AliESDEvent*>(InputEvent());
348 AliWarning("No ESD event found for input event");
352 //--- Read run information -----------------------------------------
353 if (fFirstEvent && esd->GetESDRun()) {
354 fInspector.ReadRunDetails(esd);
356 AliInfo(Form("Initializing with parameters from the ESD:\n"
357 " AliESDEvent::GetBeamEnergy() ->%f\n"
358 " AliESDEvent::GetBeamType() ->%s\n"
359 " AliESDEvent::GetCurrentL3() ->%f\n"
360 " AliESDEvent::GetMagneticField()->%f\n"
361 " AliESDEvent::GetRunNumber() ->%d\n",
362 esd->GetBeamEnergy(),
365 esd->GetMagneticField(),
366 esd->GetRunNumber()));
373 UInt_t triggers; // Trigger bits
374 Bool_t lowFlux; // Low flux flag
375 UShort_t iVz; // Vertex bin from ESD
376 Double_t vZ; // Z coordinate from ESD
377 Double_t cent; // Centrality
378 UShort_t iVzMc; // Vertex bin from MC
379 Double_t vZMc; // Z coordinate of IP vertex from MC
380 Double_t b; // Impact parameter
381 Int_t nPart; // Number of participants
382 Int_t nBin; // Number of binary collisions
383 Double_t phiR; // Reaction plane from MC
384 UShort_t nClusters;// Number of SPD clusters
386 UInt_t retESD = fInspector.Process(esd, triggers, lowFlux, iVz, vZ,
388 fInspector.ProcessMC(mcEvent, triggers, iVzMc, vZMc,
389 b, nPart, nBin, phiR);
391 Bool_t isInel = triggers & AliAODForwardMult::kInel;
392 Bool_t hasVtx = retESD == AliFMDMCEventInspector::kOk;
394 // Fill the event count histograms
395 if (isInel) fHEventsTr->Fill(vZMc);
396 if (isInel && hasVtx) fHEventsTrVtx->Fill(vZMc);
397 fHEvents->Fill(vZMc);
399 // Now find our vertex bin object
401 if (iVzMc > 0 && iVzMc <= fVtxAxis.GetNbins())
402 bin = static_cast<VtxBin*>(fVtxBins->At(iVzMc));
404 // AliError(Form("No vertex bin object @ %d (%f)", iVzMc, vZMc));
408 // Now process our input data and store in own ESD object
409 fTrackDensity.Calculate(*mcEvent, vZMc, *bin->fHits, bin->fPrimary);
410 bin->fCounts->Fill(0.5);
415 //____________________________________________________________________
417 AliCentralMCCorrectionsTask::Terminate(Option_t*)
426 fList = dynamic_cast<TList*>(GetOutputData(1));
428 AliError("No output list defined");
435 TList* output = new TList;
437 output->SetName(Form("%sResults", GetName()));
439 // --- Fill correction object --------------------------------------
440 AliCentralCorrSecondaryMap* corr = new AliCentralCorrSecondaryMap;
441 corr->SetVertexAxis(fVtxAxis);
442 // corr->SetEtaAxis(fEtaAxis);
444 TIter next(fVtxBins);
447 while ((bin = static_cast<VtxBin*>(next())))
448 bin->Finish(fList, output, iVz++, corr);
455 //____________________________________________________________________
457 AliCentralMCCorrectionsTask::Print(Option_t* option) const
459 std::cout << ClassName() << "\n"
460 << " Vertex bins: " << fVtxAxis.GetNbins() << '\n'
461 << " Vertex range: [" << fVtxAxis.GetXmin()
462 << "," << fVtxAxis.GetXmax() << "]\n"
463 << " Eta bins: " << fEtaAxis.GetNbins() << '\n'
464 << " Eta range: [" << fEtaAxis.GetXmin()
465 << "," << fEtaAxis.GetXmax() << "]\n"
466 << " # of phi bins: " << fNPhiBins
468 gROOT->IncreaseDirLevel();
469 fInspector.Print(option);
470 fTrackDensity.Print(option);
471 gROOT->DecreaseDirLevel();
474 //====================================================================
476 AliCentralMCCorrectionsTask::VtxBin::BinName(Double_t low,
480 buf = Form("vtx%+05.1f_%+05.1f", low, high);
481 buf.ReplaceAll("+", "p");
482 buf.ReplaceAll("-", "m");
483 buf.ReplaceAll(".", "d");
488 //____________________________________________________________________
489 AliCentralMCCorrectionsTask::VtxBin::VtxBin()
495 //____________________________________________________________________
496 AliCentralMCCorrectionsTask::VtxBin::VtxBin(Double_t low,
500 : TNamed(BinName(low, high),
501 Form("%+5.1fcm<v_{z}<%+5.1fcm", low, high)),
506 fPrimary = new TH2D("primary", "Primaries",
507 axis.GetNbins(), axis.GetXmin(), axis.GetXmax(),
508 nPhi, 0, 2*TMath::Pi());
509 fPrimary->SetXTitle("#eta");
510 fPrimary->SetYTitle("#varphi [radians]");
512 fPrimary->SetDirectory(0);
514 fHits = static_cast<TH2D*>(fPrimary->Clone("hits"));
515 fHits->SetTitle("Hits");
516 fHits->SetDirectory(0);
518 fCounts = new TH1D("counts", "Counts", 1, 0, 1);
519 fCounts->SetXTitle("Events");
520 fCounts->SetYTitle("# of Events");
521 fCounts->SetDirectory(0);
524 //____________________________________________________________________
525 AliCentralMCCorrectionsTask::VtxBin::VtxBin(const VtxBin& o)
532 fHits = static_cast<TH2D*>(o.fHits->Clone());
533 fHits->SetDirectory(0);
536 fPrimary = static_cast<TH2D*>(o.fPrimary->Clone());
537 fPrimary->SetDirectory(0);
540 fCounts = static_cast<TH1D*>(o.fCounts->Clone());
541 fCounts->SetDirectory(0);
545 //____________________________________________________________________
546 AliCentralMCCorrectionsTask::VtxBin&
547 AliCentralMCCorrectionsTask::VtxBin::operator=(const VtxBin& o)
549 if (&o == this) return *this;
550 TNamed::operator=(o);
555 fHits = static_cast<TH2D*>(o.fHits->Clone());
556 fHits->SetDirectory(0);
559 fPrimary = static_cast<TH2D*>(o.fPrimary->Clone());
560 fPrimary->SetDirectory(0);
563 fCounts = static_cast<TH1D*>(o.fCounts->Clone());
564 fCounts->SetDirectory(0);
569 //____________________________________________________________________
571 AliCentralMCCorrectionsTask::VtxBin::DefineOutput(TList* l)
573 TList* d = new TList;
574 d->SetName(GetName());
582 //____________________________________________________________________
584 AliCentralMCCorrectionsTask::VtxBin::Finish(const TList* input,
587 AliCentralCorrSecondaryMap* map)
589 TList* out = new TList;
590 out->SetName(GetName());
594 TList* l = static_cast<TList*>(input->FindObject(GetName()));
596 AliError(Form("List %s not found in %s", GetName(), input->GetName()));
601 TH2D* hits = static_cast<TH2D*>(l->FindObject("hits"));
602 TH2D* prim = static_cast<TH2D*>(l->FindObject("primary"));
603 if (!hits || !prim) {
604 AliError(Form("Missing histograms: %p, %p", hits, prim));
608 TH2D* h = static_cast<TH2D*>(hits->Clone("bgCorr"));
612 map->SetCorrection(iVz, h);