1 /**************************************************************************
2 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
7 * Permission to use, copy, modify and distribute this software and its *
8 * documentation strictly for non-commercial purposes is hereby granted *
9 * without fee, provided that the above copyright notice appears in all *
10 * copies and that both the copyright notice and this permission notice *
11 * appear in the supporting documentation. The authors make no claims *
12 * about the suitability of this software for any purpose. It is *
13 * provided "as is" without express or implied warranty. *
14 **************************************************************************/
16 /* $Id: AliTRDinfoGen.cxx 27496 2008-07-22 08:35:45Z cblume $ */
18 ////////////////////////////////////////////////////////////////////////////
20 // Tender wagon for TRD performance/calibration train
22 // In this wagon the information from
24 // - Friends [if available]
25 // - MC [if available]
26 // are grouped into AliTRDtrackInfo objects and fed to worker tasks
29 // Markus Fasel <M.Fasel@gsi.de>
30 // Alexandru Bercuci <A.Bercuci@gsi.de>
32 ////////////////////////////////////////////////////////////////////////////
34 #include <TClonesArray.h>
35 #include <TObjArray.h>
44 #include <TParticle.h>
47 #include "AliAnalysisManager.h"
48 #include "AliESDEvent.h"
49 #include "AliMCEvent.h"
50 #include "AliESDInputHandler.h"
51 #include "AliMCEventHandler.h"
53 #include "AliESDfriend.h"
54 #include "AliESDfriendTrack.h"
55 #include "AliESDHeader.h"
56 #include "AliESDtrack.h"
58 #include "AliESDtrackCuts.h"
59 #include "AliMCParticle.h"
62 #include "AliTRDtrackV1.h"
63 #include "AliTrackReference.h"
64 #include "AliTRDgeometry.h"
65 #include "AliTRDcluster.h"
66 #include "AliTRDseedV1.h"
67 #include "TTreeStream.h"
74 #include "AliTRDinfoGen.h"
75 #include "info/AliTRDtrackInfo.h"
76 #include "info/AliTRDeventInfo.h"
77 #include "info/AliTRDv0Info.h"
78 #include "info/AliTRDeventCuts.h"
79 #include "macros/AliTRDperformanceTrain.h"
81 ClassImp(AliTRDinfoGen)
83 const Float_t AliTRDinfoGen::fgkITS = 100.; // to be checked
84 const Float_t AliTRDinfoGen::fgkTPC = 290.;
85 const Float_t AliTRDinfoGen::fgkTRD = 365.;
87 const Float_t AliTRDinfoGen::fgkEvVertexZ = 15.;
88 const Int_t AliTRDinfoGen::fgkEvVertexN = 1;
90 const Float_t AliTRDinfoGen::fgkTrkDCAxy = 3.;
91 const Float_t AliTRDinfoGen::fgkTrkDCAz = 10.;
92 const Int_t AliTRDinfoGen::fgkNclTPC = 70;
93 const Float_t AliTRDinfoGen::fgkPt = 0.2;
94 const Float_t AliTRDinfoGen::fgkEta = 0.9;
96 //____________________________________________________________________
97 AliTRDinfoGen::AliTRDinfoGen()
116 // Default constructor
118 SetNameTitle("infoGen", "MC-REC TRD-track list generator");
121 //____________________________________________________________________
122 AliTRDinfoGen::AliTRDinfoGen(char* name)
123 :AliAnalysisTaskSE(name)
141 // Default constructor
143 SetTitle("MC-REC TRD-track list generator");
144 DefineOutput(kTracksBarrel, TObjArray::Class());
145 DefineOutput(kTracksSA, TObjArray::Class());
146 DefineOutput(kTracksKink, TObjArray::Class());
147 DefineOutput(kEventInfo, AliTRDeventInfo::Class());
148 DefineOutput(kV0List, TObjArray::Class());
149 DefineOutput(kMonitor, TObjArray::Class()); // histogram list
152 //____________________________________________________________________
153 AliTRDinfoGen::~AliTRDinfoGen()
157 if(fDebugStream) delete fDebugStream;
158 if(fEvTrigger) delete fEvTrigger;
159 if(fV0Cut) delete fV0Cut;
160 if(fTrackCut) delete fTrackCut;
161 if(fEventCut) delete fEventCut;
162 if(fTrackInfo) delete fTrackInfo; fTrackInfo = NULL;
163 if(fEventInfo) delete fEventInfo; fEventInfo = NULL;
164 if(fV0Info) delete fV0Info; fV0Info = NULL;
166 fTracksBarrel->Delete(); delete fTracksBarrel;
167 fTracksBarrel = NULL;
170 fTracksSA->Delete(); delete fTracksSA;
174 fTracksKink->Delete(); delete fTracksKink;
183 fContainer->Delete();
189 //____________________________________________________________________
190 Bool_t AliTRDinfoGen::GetRefFigure(Int_t)
193 AliWarning("Please provide a canvas to draw results.");
196 fContainer->At(0)->Draw("bar");
200 //____________________________________________________________________
201 void AliTRDinfoGen::UserCreateOutputObjects()
204 // Create Output Containers (TObjectArray containing 1D histograms)
207 fTrackInfo = new AliTRDtrackInfo();
208 fEventInfo = new AliTRDeventInfo();
209 fV0Info = new AliTRDv0Info();
210 fTracksBarrel = new TObjArray(200); fTracksBarrel->SetOwner(kTRUE);
211 fTracksSA = new TObjArray(20); fTracksSA->SetOwner(kTRUE);
212 fTracksKink = new TObjArray(20); fTracksKink->SetOwner(kTRUE);
213 fV0List = new TObjArray(10); fV0List->SetOwner(kTRUE);
215 // define general monitor
216 fContainer = new TObjArray(1); fContainer->SetOwner(kTRUE);
217 TH1 *h=new TH1S("hStat", "Run statistics;Observable;Entries", 12, -0.5, 11.5);
218 TAxis *ax(h->GetXaxis());
219 ax->SetBinLabel( 1, "ESD");
220 ax->SetBinLabel( 2, "MC");
221 ax->SetBinLabel( 3, "V0");
222 ax->SetBinLabel( 4, "TPC");
223 ax->SetBinLabel( 5, "TRDin");
224 ax->SetBinLabel( 6, "TRDout");
225 ax->SetBinLabel( 7, "Barrel");
226 ax->SetBinLabel( 8, "BarrelMC");
227 ax->SetBinLabel( 9, "SA");
228 ax->SetBinLabel(10, "SAMC");
229 ax->SetBinLabel(11, "Kink");
230 ax->SetBinLabel(12, "KinkMC");
231 fContainer->AddAt(h, 0);
232 PostData(kMonitor, fContainer);
235 //____________________________________________________________________
236 Bool_t AliTRDinfoGen::Load(const Char_t *file, const Char_t *dir, const Char_t *name)
238 // Load data from performance file
240 if(!TFile::Open(file)){
241 AliWarning(Form("Couldn't open file %s.", file));
246 AliWarning(Form("Couldn't cd to %s in %s.", dir, file));
251 const Char_t *tn=(name ? name : GetName());
252 if(!(o = (TObjArray*)gDirectory->Get(tn))){
253 AliWarning(Form("Missing histogram container %s.", tn));
256 fContainer = (TObjArray*)o->Clone(GetName());
261 //____________________________________________________________________
262 void AliTRDinfoGen::UserExec(Option_t *){
267 fESDev = dynamic_cast<AliESDEvent*>(InputEvent());
271 AliError("Failed retrieving ESD event");
275 // event selection : trigger cut
276 if(UseLocalEvSelection() && fEvTrigger){
277 Bool_t kTRIGGERED(kFALSE);
278 const TObjArray *trig = fEvTrigger->Tokenize(" ");
279 for(Int_t itrig=trig->GetEntriesFast(); itrig--;){
280 const Char_t *trigClass(((TObjString*)(*trig)[itrig])->GetName());
281 if(fESDev->IsTriggerClassFired(trigClass)) {
282 AliDebug(2, Form("Ev[%4d] Trigger[%s]", fESDev->GetEventNumberInFile(), trigClass));
288 AliDebug(2, Form("Reject Ev[%4d] Trigger", fESDev->GetEventNumberInFile()));
291 // select only physical events
292 if(fESDev->GetEventType() != 7){
293 AliDebug(2, Form("Reject Ev[%4d] EvType[%d]", fESDev->GetEventNumberInFile(), fESDev->GetEventType()));
298 // if the required trigger is a collision trigger then apply event vertex cut
299 if(UseLocalEvSelection() && IsCollision()){
300 const AliESDVertex *vertex = fESDev->GetPrimaryVertex();
301 if(TMath::Abs(vertex->GetZv())<1.e-10 ||
302 TMath::Abs(vertex->GetZv())>fgkEvVertexZ ||
303 vertex->GetNContributors()<fgkEvVertexN) {
304 AliDebug(2, Form("Reject Ev[%4d] Vertex Zv[%f] Nv[%d]", fESDev->GetEventNumberInFile(), TMath::Abs(vertex->GetZv()), vertex->GetNContributors()));
309 if(fEventCut && !fEventCut->IsSelected(fESDev, IsCollision())) return;
312 AliError("Failed retrieving ESD friend event");
315 if(HasMCdata() && !fMCev){
316 AliError("Failed retrieving MC event");
320 fTracksBarrel->Delete();
322 fTracksKink->Delete();
324 fEventInfo->Delete("");
325 new(fEventInfo)AliTRDeventInfo(fESDev->GetHeader(), const_cast<AliESDRun *>(fESDev->GetESDRun()));
327 Bool_t *trackMap(NULL);
328 AliStack * mStack(NULL);
329 Int_t nTracksMC = HasMCdata() ? fMCev->GetNumberOfTracks() : 0, nTracksESD = fESDev->GetNumberOfTracks();
331 mStack = fMCev->Stack();
333 AliError("Failed retrieving MC Stack");
336 trackMap = new Bool_t[nTracksMC];
337 memset(trackMap, 0, sizeof(Bool_t) * nTracksMC);
340 Double32_t dedx[100]; Int_t nSlices(0);
341 Int_t nTRDout(0), nTRDin(0), nTPC(0)
343 ,nBarrel(0), nSA(0), nKink(0)
344 ,nBarrelMC(0), nSAMC(0), nKinkMC(0);
345 AliESDtrack *esdTrack = NULL;
346 AliESDfriendTrack *esdFriendTrack = NULL;
347 TObject *calObject = NULL;
348 AliTRDtrackV1 *track = NULL;
349 AliTRDseedV1 *tracklet = NULL;
350 AliTRDcluster *cl = NULL;
351 // LOOP 0 - over ESD tracks
352 for(Int_t itrk = 0; itrk < nTracksESD; itrk++){
353 new(fTrackInfo) AliTRDtrackInfo();
354 esdTrack = fESDev->GetTrack(itrk);
355 AliDebug(3, Form("\n%3d ITS[%d] TPC[%d] TRD[%d]\n", itrk, esdTrack->GetNcls(0), esdTrack->GetNcls(1), esdTrack->GetNcls(2)));
357 if(esdTrack->GetStatus()&AliESDtrack::kTPCout) nTPC++;
358 if(esdTrack->GetStatus()&AliESDtrack::kTRDout) nTRDout++;
359 if(esdTrack->GetStatus()&AliESDtrack::kTRDin) nTRDin++;
361 // look at external track param
362 const AliExternalTrackParam *op = esdTrack->GetOuterParam();
366 op->Global2LocalPosition(xyz, op->GetAlpha());
367 AliDebug(3, Form("op @ X[%7.3f]\n", xyz[0]));
372 Int_t label = -1; UInt_t alab=UINT_MAX;
374 label = esdTrack->GetLabel();
375 alab = TMath::Abs(label);
376 // register the track
377 if(alab < UInt_t(nTracksMC)){
378 trackMap[alab] = kTRUE;
380 AliError(Form("MC label[%d] outside scope for Ev[%d] Trk[%d].", label, (Int_t)AliAnalysisManager::GetAnalysisManager()->GetCurrentEntry(), itrk));
383 AliMCParticle *mcParticle = NULL;
384 if(!(mcParticle = (AliMCParticle*) fMCev->GetTrack(alab))){
385 AliError(Form("MC particle label[%d] missing for Ev[%d] Trk[%d].", label, (Int_t)AliAnalysisManager::GetAnalysisManager()->GetCurrentEntry(), itrk));
388 fPdg = mcParticle->Particle()->GetPdgCode();
389 Int_t nRefs = mcParticle->GetNumberOfTrackReferences();
390 Int_t iref = 0; AliTrackReference *ref = NULL;
392 ref = mcParticle->GetTrackReference(iref);
393 if(ref->LocalX() > fgkTPC) break;
398 fTrackInfo->SetPDG(fPdg);
399 fTrackInfo->SetPrimary(mcParticle->Particle()->IsPrimary());
400 fTrackInfo->SetLabel(label);
401 Int_t jref = iref;//, kref = 0;
403 ref = mcParticle->GetTrackReference(jref);
404 if(ref->LocalX() > fgkTRD) break;
405 AliDebug(4, Form(" trackRef[%2d (%2d)] @ %7.3f OK", jref-iref, jref, ref->LocalX()));
406 fTrackInfo->AddTrackRef(ref);
409 AliDebug(3, Form("NtrackRefs[%d(%d)]", fTrackInfo->GetNTrackRefs(), nRefs));
412 // copy some relevant info to TRD track info
413 fTrackInfo->SetStatus(esdTrack->GetStatus());
414 fTrackInfo->SetTrackId(esdTrack->GetID());
415 Double_t p[AliPID::kSPECIES]; esdTrack->GetTRDpid(p);
416 fTrackInfo->SetESDpid(p);
417 fTrackInfo->SetESDpidQuality(esdTrack->GetTRDntrackletsPID());
418 if(!nSlices) nSlices = esdTrack->GetNumberOfTRDslices();
419 memset(dedx, 0, 100*sizeof(Double32_t));
421 for(Int_t il=0; il<AliTRDgeometry::kNlayer; il++)
422 for(Int_t is=0; is<nSlices; is++)
423 dedx[in++]=esdTrack->GetTRDslice(il, is);
424 for(Int_t il=0; il<AliTRDgeometry::kNlayer; il++) dedx[in++]=esdTrack->GetTRDmomentum(il);
425 fTrackInfo->SetSlices(in, dedx);
426 fTrackInfo->SetNumberOfClustersRefit(esdTrack->GetNcls(2));
427 // some other Informations which we may wish to store in order to find problematic cases
428 fTrackInfo->SetKinkIndex(esdTrack->GetKinkIndex(0));
429 fTrackInfo->SetTPCncls(static_cast<UShort_t>(esdTrack->GetNcls(1)));
434 esdFriendTrack = fESDfriend->GetTrack(itrk);
437 while((calObject = esdFriendTrack->GetCalibObject(icalib++))){
438 if(strcmp(calObject->IsA()->GetName(),"AliTRDtrackV1") != 0) continue; // Look for the TRDtrack
439 if(!(track = dynamic_cast<AliTRDtrackV1*>(calObject))) break;
440 AliDebug(4, Form("TRD track OK"));
441 // Set the clusters to unused
442 for(Int_t ipl = 0; ipl < AliTRDgeometry::kNlayer; ipl++){
443 if(!(tracklet = track->GetTracklet(ipl))) continue;
444 tracklet->ResetClusterIter();
445 while((cl = tracklet->NextCluster())) cl->Use(0);
447 fTrackInfo->SetTrack(track);
450 AliDebug(3, Form("Ntracklets[%d]\n", fTrackInfo->GetNTracklets()));
451 } else AliDebug(3, "No ESD friends");
452 if(op) fTrackInfo->SetOuterParam(op);
454 if(DebugLevel() >= 1){
455 AliTRDtrackInfo info(*fTrackInfo);
456 (*DebugStream()) << "trackInfo"
457 << "TrackInfo.=" << &info
462 ULong_t status(esdTrack->GetStatus());
463 if((status&AliESDtrack::kTPCout)){
464 if(!esdTrack->GetKinkIndex(0)){ // Barrel Track Selection
465 Bool_t selected(kTRUE);
466 if(UseLocalTrkSelection()){
467 if(esdTrack->Pt() < fgkPt){
468 AliDebug(2, Form("Reject Ev[%4d] Trk[%3d] Pt[%5.2f]", fESDev->GetEventNumberInFile(), itrk, esdTrack->Pt()));
471 if(selected && TMath::Abs(esdTrack->Eta()) > fgkEta){
472 AliDebug(2, Form("Reject Ev[%4d] Trk[%3d] Eta[%5.2f]", fESDev->GetEventNumberInFile(), itrk, TMath::Abs(esdTrack->Eta())));
475 if(selected && esdTrack->GetTPCNcls() < fgkNclTPC){
476 AliDebug(2, Form("Reject Ev[%4d] Trk[%3d] NclTPC[%d]", fESDev->GetEventNumberInFile(), itrk, esdTrack->GetTPCNcls()));
479 Float_t par[2], cov[3];
480 esdTrack->GetImpactParameters(par, cov);
481 if(IsCollision()){ // cuts on DCA
482 if(selected && TMath::Abs(par[0]) > fgkTrkDCAxy){
483 AliDebug(2, Form("Reject Ev[%4d] Trk[%3d] DCAxy[%f]", fESDev->GetEventNumberInFile(), itrk, TMath::Abs(par[0])));
486 if(selected && TMath::Abs(par[1]) > fgkTrkDCAz){
487 AliDebug(2, Form("Reject Ev[%4d] Trk[%3d] DCAz[%f]", fESDev->GetEventNumberInFile(), itrk, TMath::Abs(par[1])));
490 } else if(selected && fMCev && !fMCev->IsPhysicalPrimary(alab)){;
491 AliDebug(2, Form("Reject Ev[%4d] Trk[%3d] Primary", fESDev->GetEventNumberInFile(), itrk));
495 if(fTrackCut && !fTrackCut->IsSelected(esdTrack)) selected = kFALSE;
497 fTracksBarrel->Add(new AliTRDtrackInfo(*fTrackInfo));
501 fTracksKink->Add(new AliTRDtrackInfo(*fTrackInfo));
504 } else if((status&AliESDtrack::kTRDout) && !(status&AliESDtrack::kTRDin)){
505 fTracksSA->Add(new AliTRDtrackInfo(*fTrackInfo));
508 fTrackInfo->Delete("");
511 // LOOP 1 - over ESD v0s
512 Bool_t kFOUND(kFALSE);
513 Float_t bField(fESDev->GetMagneticField());
515 for(Int_t iv0(0); iv0<fESDev->GetNumberOfV0s(); iv0++){
516 if(!(v0 = fESDev->GetV0(iv0))) continue;
518 // purge V0 irelevant for TRD
519 Int_t jb(0); AliTRDtrackInfo *ti(NULL);
520 for(Int_t ib(0); ib<nBarrel; ib++){
521 ti = (AliTRDtrackInfo*)fTracksBarrel->At(ib);
522 Int_t id(ti->GetTrackId());
523 if(id!=v0->GetPindex() && id!=v0->GetNindex()) continue;
524 kFOUND=kTRUE; ti->SetV0(); jb=ib+1;
527 if(!kFOUND) continue;
530 if(fV0Cut) new(fV0Info) AliTRDv0Info(*fV0Cut);
531 else new(fV0Info) AliTRDv0Info();
532 fV0Info->SetMagField(bField);
533 fV0Info->SetV0tracks(fESDev->GetTrack(v0->GetPindex()), fESDev->GetTrack(v0->GetNindex()));
534 fV0Info->SetV0Info(v0);
535 // mark the other leg too
536 for(Int_t ib(jb); ib<nBarrel; ib++){
537 ti = (AliTRDtrackInfo*)fTracksBarrel->At(ib);
538 if(!fV0Info->HasTrack(ti)) continue;
542 //fV0Info->Print("a");
543 fV0List->Add(new AliTRDv0Info(*fV0Info)); kFOUND=kFALSE;
546 // LOOP 2 - over MC tracks which are passing TRD where the track is not reconstructed
548 AliDebug(10, "Output of the MC track map:");
549 for(Int_t itk = 0; itk < nTracksMC; itk++) AliDebug(10, Form("trackMap[%d] = %s", itk, trackMap[itk] == kTRUE ? "TRUE" : "kFALSE"));
551 for(Int_t itk = 0; itk < nTracksMC; itk++){
552 if(trackMap[itk]) continue;
553 AliMCParticle *mcParticle = (AliMCParticle*) fMCev->GetTrack(TMath::Abs(itk));
554 Int_t fPdg = mcParticle->Particle()->GetPdgCode();
555 Int_t nRefs = mcParticle->GetNumberOfTrackReferences();
556 Int_t iref = 0; AliTrackReference *ref = NULL;
558 new(fTrackInfo) AliTRDtrackInfo();
560 fTrackInfo->SetPDG(fPdg);
561 while(iref<nRefs){ // count TRD TR
563 ref = mcParticle->GetTrackReference(iref);
564 if(ref->LocalX() > fgkTPC && ref->LocalX() < fgkTRD){
565 fTrackInfo->AddTrackRef(ref);
566 nRefsTRD++;kIN=kTRUE;
568 AliDebug(4, Form(" trackRef[%2d] @ x[%7.3f] %s", iref, ref->LocalX(), kIN?"IN":"OUT"));
572 // In this stage we at least require 1 hit inside TRD. What will be done with this tracks is a task for the
574 fTrackInfo->Delete("");
577 fTrackInfo->SetPrimary(mcParticle->Particle()->IsPrimary());
578 fTrackInfo->SetLabel(itk);
579 if(DebugLevel() >= 1){
580 AliTRDtrackInfo info(*fTrackInfo);
581 (*DebugStream()) << "trackInfo"
582 << "TrackInfo.=" << &info
586 AliDebug(3, Form("Add MC track @ label[%d] nTRDrefs[%d].", itk, nRefsTRD));
587 // check where the track starts
588 ref = mcParticle->GetTrackReference(0);
589 if(ref->LocalX() < fgkITS){
590 fTracksBarrel->Add(new AliTRDtrackInfo(*fTrackInfo));
592 } else if(ref->LocalX() < fgkTPC) {
593 fTracksKink->Add(new AliTRDtrackInfo(*fTrackInfo));
595 } else if(nRefsTRD>6){
596 fTracksSA->Add(new AliTRDtrackInfo(*fTrackInfo));
599 fTrackInfo->Delete("");
604 "\nEv[%3d] Tracks: ESD[%d] MC[%d] V0[%d]\n"
605 " TPCout[%d] TRDin[%d] TRDout[%d]\n"
606 " Barrel[%3d+%3d=%3d] SA[%2d+%2d=%2d] Kink[%2d+%2d=%2d]"
607 ,(Int_t)AliAnalysisManager::GetAnalysisManager()->GetCurrentEntry(), nTracksESD, nTracksMC, fV0List->GetEntries()
608 , nTPC, nTRDin, nTRDout
609 ,nBarrel, nBarrelMC, fTracksBarrel->GetEntries()
610 ,nSA, nSAMC, fTracksSA->GetEntries()
611 ,nKink, nKinkMC, fTracksKink->GetEntries()
613 // save track statistics
614 TH1 *h((TH1S*)fContainer->At(0));
615 h->Fill( 0., nTracksESD);
616 h->Fill( 1., nTracksMC);
617 h->Fill( 2., fV0List->GetEntries());
619 h->Fill( 4., nTRDin);
620 h->Fill( 5., nTRDout);
621 h->Fill( 6., nBarrel);
622 h->Fill( 7., nBarrelMC);
626 h->Fill(11., nKinkMC);
628 PostData(kTracksBarrel, fTracksBarrel);
629 PostData(kTracksSA, fTracksSA);
630 PostData(kTracksKink, fTracksKink);
631 PostData(kEventInfo, fEventInfo);
632 PostData(kV0List, fV0List);
635 //____________________________________________________________________
636 void AliTRDinfoGen::SetLocalV0Selection(AliTRDv0Info *v0)
638 // Set V0 cuts from outside
640 if(!fV0Cut) fV0Cut = new AliTRDv0Info(*v0);
641 else new(fV0Cut) AliTRDv0Info(*v0);
644 //____________________________________________________________________
645 void AliTRDinfoGen::SetTrigger(const Char_t *trigger)
647 if(!fEvTrigger) fEvTrigger = new TString(trigger);
648 else (*fEvTrigger) = trigger;
651 //____________________________________________________________________
652 TTreeSRedirector* AliTRDinfoGen::DebugStream()
655 TDirectory *savedir = gDirectory;
656 fDebugStream = new TTreeSRedirector("TRD.DebugInfoGen.root");