1 /**************************************************************************
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4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
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14 **************************************************************************/
16 /* $Id: AliAnalysisTaskESDfilter.cxx 24535 2008-03-16 22:43:30Z fca $ */
23 #include <TParticle.h>
25 #include "AliAnalysisTaskESDfilter.h"
26 #include "AliAnalysisManager.h"
27 #include "AliESDEvent.h"
29 #include "AliAODEvent.h"
30 #include "AliMCEvent.h"
31 #include "AliMCEventHandler.h"
32 #include "AliESDInputHandler.h"
33 #include "AliAODHandler.h"
34 #include "AliAODMCParticle.h"
35 #include "AliAnalysisFilter.h"
36 #include "AliESDMuonTrack.h"
37 #include "AliESDVertex.h"
39 #include "AliESDkink.h"
40 #include "AliESDcascade.h"
41 #include "AliESDPmdTrack.h"
42 #include "AliESDCaloCluster.h"
43 #include "AliESDCaloCells.h"
44 #include "AliMultiplicity.h"
47 ClassImp(AliAnalysisTaskESDfilter)
49 ////////////////////////////////////////////////////////////////////////
51 AliAnalysisTaskESDfilter::AliAnalysisTaskESDfilter():
60 // Default constructor
63 AliAnalysisTaskESDfilter::AliAnalysisTaskESDfilter(const char* name):
64 AliAnalysisTaskSE(name),
75 void AliAnalysisTaskESDfilter::UserCreateOutputObjects()
77 // Create the output container
78 OutputTree()->GetUserInfo()->Add(fTrackFilter);
81 void AliAnalysisTaskESDfilter::Init()
84 if (fDebug > 1) AliInfo("Init() \n");
85 // Call configuration file
89 void AliAnalysisTaskESDfilter::UserExec(Option_t */*option*/)
91 // Execute analysis for current event
94 Long64_t ientry = Entry();
95 if (fDebug > 0) printf("Filter: Analysing event # %5d\n", (Int_t) ientry);
96 if (fHighPthreshold == 0) AliInfo("detector PID signals are stored in each track");
97 if (!fPtshape) AliInfo("detector PID signals are not stored below the pt threshold");
102 void AliAnalysisTaskESDfilter::ConvertESDtoAOD() {
103 // ESD Filter analysis task executed for each event
105 AliESDEvent* esd = dynamic_cast<AliESDEvent*>(InputEvent());
106 AliESD* old = esd->GetAliESDOld();
108 // Fetch Stack for debuggging if available
109 AliStack *pStack = 0;
110 AliMCEventHandler *mcH = 0;
112 pStack = MCEvent()->Stack();
113 mcH = (AliMCEventHandler*) ((AliAnalysisManager::GetAnalysisManager())->GetMCtruthEventHandler());
115 // set arrays and pointers
122 Double_t momPosAtV0vtx[3];
123 Double_t momNegAtV0vtx[3];
124 Double_t momBachAtCascadeVtx[3];
129 for (Int_t i = 0; i < 6; i++) covVtx[i] = 0.;
130 for (Int_t i = 0; i < 21; i++) covTr [i] = 0.;
133 // loop over events and fill them
135 // Multiplicity information needed by the header (to be revised!)
136 Int_t nTracks = esd->GetNumberOfTracks();
137 // if (fDebug > 0) printf("-------------------Bo: Number of ESD tracks %d \n",nTracks);
139 Int_t nPosTracks = 0;
140 // for (Int_t iTrack = 0; iTrack < nTracks; ++iTrack)
141 // if (esd->GetTrack(iTrack)->GetSign()> 0) nPosTracks++;
145 AliAODHeader* header = AODEvent()->GetHeader();
147 header->SetRunNumber(esd->GetRunNumber());
149 header->SetBunchCrossNumber(0);
150 header->SetOrbitNumber(0);
151 header->SetPeriodNumber(0);
152 header->SetEventType(0);
153 header->SetMuonMagFieldScale(-999.); // FIXME
154 header->SetCentrality(-999.); // FIXME
156 header->SetBunchCrossNumber(esd->GetBunchCrossNumber());
157 header->SetOrbitNumber(esd->GetOrbitNumber());
158 header->SetPeriodNumber(esd->GetPeriodNumber());
159 header->SetEventType(esd->GetEventType());
160 header->SetMuonMagFieldScale(-999.); // FIXME
161 header->SetCentrality(-999.); // FIXME
164 header->SetTriggerMask(esd->GetTriggerMask());
165 header->SetTriggerCluster(esd->GetTriggerCluster());
166 header->SetMagneticField(esd->GetMagneticField());
167 header->SetZDCN1Energy(esd->GetZDCN1Energy());
168 header->SetZDCP1Energy(esd->GetZDCP1Energy());
169 header->SetZDCN2Energy(esd->GetZDCN2Energy());
170 header->SetZDCP2Energy(esd->GetZDCP2Energy());
171 header->SetZDCEMEnergy(esd->GetZDCEMEnergy(0),esd->GetZDCEMEnergy(1));
172 Float_t diamxy[2]={esd->GetDiamondX(),esd->GetDiamondY()};
173 Float_t diamcov[3]; esd->GetDiamondCovXY(diamcov);
174 header->SetDiamond(diamxy,diamcov);
177 Int_t nV0s = esd->GetNumberOfV0s();
178 Int_t nCascades = esd->GetNumberOfCascades();
179 Int_t nKinks = esd->GetNumberOfKinks();
180 Int_t nVertices = nV0s + nCascades /*V0 wihtin cascade already counted*/+ nKinks + 1 /* = prim. vtx*/;
182 Int_t nCaloClus = esd->GetNumberOfCaloClusters();
184 Int_t nPmdClus = esd->GetNumberOfPmdTracks();
187 printf(" NV0=%d NCASCADES=%d NKINKS=%d\n", nV0s, nCascades, nKinks);
189 AODEvent()->ResetStd(nTracks, nVertices, nV0s, nCascades, nJets, nCaloClus, nFmdClus, nPmdClus);
192 AliAODTrack *aodTrack = 0x0;
193 AliAODPid *detpid = 0x0;
194 Double_t timezero = 0; //TO BE FIXED
195 AliAODVertex *vV0FromCascade = 0x0;
196 AliAODv0 *aodV0 = 0x0;
197 AliAODcascade *aodCascade = 0x0;
199 // RefArray to store the mapping between esd track number and newly created AOD-Track
200 TRefArray *aodTrackRefs = NULL;
201 if (nTracks > 0) aodTrackRefs = new TRefArray(nTracks);
203 // RefArray to store a mapping between esd V0 number and newly created AOD-Vertex V0
204 TRefArray *aodV0VtxRefs = NULL;
205 if (nV0s > 0) aodV0VtxRefs = new TRefArray(nV0s);
207 // RefArray to store the mapping between esd V0 number and newly created AOD-V0
208 TRefArray *aodV0Refs = NULL;
209 if (nV0s > 0) aodV0Refs = new TRefArray(nV0s);
215 // Array to take into account the tracks already added to the AOD
216 Bool_t * usedTrack = NULL;
218 usedTrack = new Bool_t[nTracks];
219 for (Int_t iTrack=0; iTrack<nTracks; ++iTrack) usedTrack[iTrack]=kFALSE;
221 // Array to take into account the V0s already added to the AOD (V0 within cascades)
222 Bool_t * usedV0 = NULL;
224 usedV0 = new Bool_t[nV0s];
225 for (Int_t iV0=0; iV0<nV0s; ++iV0) usedV0[iV0]=kFALSE;
227 // Array to take into account the kinks already added to the AOD
228 Bool_t * usedKink = NULL;
230 usedKink = new Bool_t[nKinks];
231 for (Int_t iKink=0; iKink<nKinks; ++iKink) usedKink[iKink]=kFALSE;
234 // Access to the AOD container of vertices
235 TClonesArray &vertices = *(AODEvent()->GetVertices());
238 // Access to the AOD container of tracks
239 TClonesArray &tracks = *(AODEvent()->GetTracks());
242 // Access to the AOD container of Cascades
243 TClonesArray &cascades = *(AODEvent()->GetCascades());
246 // Access to the AOD container of V0s
247 TClonesArray &v0s = *(AODEvent()->GetV0s());
250 // Add primary vertex. The primary tracks will be defined
251 // after the loops on the composite objects (V0, cascades, kinks)
252 const AliESDVertex *vtx = esd->GetPrimaryVertex();
254 vtx->GetXYZ(pos); // position
255 vtx->GetCovMatrix(covVtx); //covariance matrix
257 AliAODVertex * primary = new(vertices[jVertices++])
258 AliAODVertex(pos, covVtx, vtx->GetChi2toNDF(), NULL, -1, AliAODVertex::kPrimary);
259 primary->SetName(vtx->GetName());
260 primary->SetTitle(vtx->GetTitle());
262 if (fDebug > 0) primary->Print();
264 // Create vertices starting from the most complex objects
267 // Cascades (Modified by A.Maire - February 2009)
268 for (Int_t nCascade = 0; nCascade < nCascades; ++nCascade) {
271 printf("\n ******** Cascade number : %d/%d *********\n", nCascade, nCascades);
275 AliESDcascade *esdCascade = esd->GetCascade(nCascade);
276 Int_t idxPosFromV0Dghter = esdCascade->GetPindex();
277 Int_t idxNegFromV0Dghter = esdCascade->GetNindex();
278 Int_t idxBachFromCascade = esdCascade->GetBindex();
280 AliESDtrack *esdCascadePos = esd->GetTrack( idxPosFromV0Dghter);
281 AliESDtrack *esdCascadeNeg = esd->GetTrack( idxNegFromV0Dghter);
282 AliESDtrack *esdCascadeBach = esd->GetTrack( idxBachFromCascade);
284 // Identification of the V0 within the esdCascade (via both daughter track indices)
285 AliESDv0 * currentV0 = 0x0;
286 Int_t idxV0FromCascade = -1;
288 for (Int_t iV0=0; iV0<nV0s; ++iV0) {
290 currentV0 = esd->GetV0(iV0);
291 Int_t posCurrentV0 = currentV0->GetPindex();
292 Int_t negCurrentV0 = currentV0->GetNindex();
294 if (posCurrentV0==idxPosFromV0Dghter && negCurrentV0==idxNegFromV0Dghter) {
295 idxV0FromCascade = iV0;
300 if(idxV0FromCascade < 0){
301 printf("Cascade - no matching for the V0 (index V0 = -1) ! Skip ... \n");
303 }// a priori, useless check, but safer ... in case of pb with tracks "out of bounds"
306 printf("Cascade %d - V0fromCascade ind : %d/%d\n", nCascade, idxV0FromCascade, nV0s);
308 AliESDv0 *esdV0FromCascade = esd->GetV0(idxV0FromCascade);
311 // 1 - Cascade selection
313 // AliESDVertex *esdPrimVtx = new AliESDVertex(*(esd->GetPrimaryVertex()));
314 // TList cascadeObjects;
315 // cascadeObjects.AddAt(esdV0FromCascade, 0);
316 // cascadeObjects.AddAt(esdCascadePos, 1);
317 // cascadeObjects.AddAt(esdCascadeNeg, 2);
318 // cascadeObjects.AddAt(esdCascade, 3);
319 // cascadeObjects.AddAt(esdCascadeBach, 4);
320 // cascadeObjects.AddAt(esdPrimVtx, 5);
322 // UInt_t selectCascade = 0;
323 // if (fCascadeFilter) {
324 // // selectCascade = fCascadeFilter->IsSelected(&cascadeObjects);
325 // // FIXME AliESDCascadeCuts to be implemented ...
327 // // Here we may encounter a moot point at the V0 level
328 // // between the cascade selections and the V0 ones :
329 // // the V0 selected along with the cascade (secondary V0) may
330 // // usually be removed from the dedicated V0 selections (prim V0) ...
331 // // -> To be discussed !
333 // // this is a little awkward but otherwise the
334 // // list wants to access the pointer (delete it)
335 // // again when going out of scope
336 // delete cascadeObjects.RemoveAt(5); // esdPrimVtx created via copy construct
338 // if (!selectCascade)
342 // delete cascadeObjects.RemoveAt(5); // esdPrimVtx created via copy construct
346 // 2 - Add the cascade vertex
348 esdCascade->GetXYZcascade(pos[0], pos[1], pos[2]);
349 esdCascade->GetPosCovXi(covVtx);
350 chi2 = esdCascade->GetChi2Xi();
352 AliAODVertex *vCascade = new(vertices[jVertices++]) AliAODVertex( pos,
354 chi2, // FIXME = Chi2/NDF will be needed
357 AliAODVertex::kCascade);
358 primary->AddDaughter(vCascade);
361 printf("---- Cascade / Cascade Vertex (AOD) : \n");
366 // 3 - Add the bachelor track from the cascade
368 if (!usedTrack[idxBachFromCascade]) {
370 esdCascadeBach->GetPxPyPz(momBach);
371 esdCascadeBach->GetXYZ(pos);
372 esdCascadeBach->GetCovarianceXYZPxPyPz(covTr);
373 esdCascadeBach->GetESDpid(pid);
375 usedTrack[idxBachFromCascade] = kTRUE;
376 UInt_t selectInfo = 0;
377 if (fTrackFilter) selectInfo = fTrackFilter->IsSelected(esdCascadeBach);
378 if(mcH)mcH->SelectParticle(esdCascadeBach->GetLabel());
379 aodTrack = new(tracks[jTracks++]) AliAODTrack(esdCascadeBach->GetID(),
380 esdCascadeBach->GetLabel(),
384 kFALSE, // Why kFALSE for "isDCA" ? FIXME
386 (Short_t)esdCascadeBach->GetSign(),
387 esdCascadeBach->GetITSClusterMap(),
390 kTRUE, // usedForVtxFit = kFALSE ? FIXME
391 vtx->UsesTrack(esdCascadeBach->GetID()),
392 AliAODTrack::kSecondary,
394 aodTrackRefs->AddAt(aodTrack,idxBachFromCascade);
396 if (esdCascadeBach->GetSign() > 0) nPosTracks++;
397 aodTrack->ConvertAliPIDtoAODPID();
398 aodTrack->SetFlags(esdCascadeBach->GetStatus());
399 SetAODPID(esdCascadeBach,aodTrack,detpid,timezero,esd->GetMagneticField());
402 aodTrack = dynamic_cast<AliAODTrack*>( aodTrackRefs->At(idxBachFromCascade) );
405 vCascade->AddDaughter(aodTrack);
408 printf("---- Cascade / bach dghter : \n");
413 // 4 - Add the V0 from the cascade.
414 // = V0vtx + both pos and neg daughter tracks + the aodV0 itself
417 if ( !usedV0[idxV0FromCascade] ) {
418 // 4.A - if VO structure hasn't been created yet
420 // 4.A.1 - Create the V0 vertex of the cascade
422 esdV0FromCascade->GetXYZ(pos[0], pos[1], pos[2]);
423 esdV0FromCascade->GetPosCov(covVtx);
424 chi2 = esdV0FromCascade->GetChi2V0(); // = chi2/NDF since NDF = 2*2-3 ?
426 vV0FromCascade = new(vertices[jVertices++]) AliAODVertex(pos,
430 idxV0FromCascade, //id of ESDv0
433 // one V0 can be used by several cascades.
434 // So, one AOD V0 vtx can have several parent vtx.
435 // This is not directly allowed by AliAODvertex.
436 // Setting the parent vtx (here = param "vCascade") doesn't lead to a crash
437 // but to a problem of consistency within AODEvent.
438 // -> See below paragraph 4.B, for the proposed treatment of such a case.
440 // Add the vV0FromCascade to the aodVOVtxRefs
441 aodV0VtxRefs->AddAt(vV0FromCascade,idxV0FromCascade);
444 // 4.A.2 - Add the positive tracks from the V0
446 esdCascadePos->GetPxPyPz(momPos);
447 esdCascadePos->GetXYZ(pos);
448 esdCascadePos->GetCovarianceXYZPxPyPz(covTr);
449 esdCascadePos->GetESDpid(pid);
452 if (!usedTrack[idxPosFromV0Dghter]) {
453 usedTrack[idxPosFromV0Dghter] = kTRUE;
455 UInt_t selectInfo = 0;
456 if (fTrackFilter) selectInfo = fTrackFilter->IsSelected(esdCascadePos);
457 if(mcH) mcH->SelectParticle(esdCascadePos->GetLabel());
458 aodTrack = new(tracks[jTracks++]) AliAODTrack( esdCascadePos->GetID(),
459 esdCascadePos->GetLabel(),
463 kFALSE, // Why kFALSE for "isDCA" ? FIXME
465 (Short_t)esdCascadePos->GetSign(),
466 esdCascadePos->GetITSClusterMap(),
469 kTRUE, // usedForVtxFit = kFALSE ? FIXME
470 vtx->UsesTrack(esdCascadePos->GetID()),
471 AliAODTrack::kSecondary,
473 aodTrackRefs->AddAt(aodTrack,idxPosFromV0Dghter);
475 if (esdCascadePos->GetSign() > 0) nPosTracks++;
476 aodTrack->ConvertAliPIDtoAODPID();
477 aodTrack->SetFlags(esdCascadePos->GetStatus());
478 SetAODPID(esdCascadePos,aodTrack,detpid,timezero,esd->GetMagneticField());
481 aodTrack = dynamic_cast<AliAODTrack*>(aodTrackRefs->At(idxPosFromV0Dghter));
483 vV0FromCascade->AddDaughter(aodTrack);
486 // 4.A.3 - Add the negative tracks from the V0
488 esdCascadeNeg->GetPxPyPz(momNeg);
489 esdCascadeNeg->GetXYZ(pos);
490 esdCascadeNeg->GetCovarianceXYZPxPyPz(covTr);
491 esdCascadeNeg->GetESDpid(pid);
494 if (!usedTrack[idxNegFromV0Dghter]) {
495 usedTrack[idxNegFromV0Dghter] = kTRUE;
497 UInt_t selectInfo = 0;
498 if (fTrackFilter) selectInfo = fTrackFilter->IsSelected(esdCascadeNeg);
499 if(mcH)mcH->SelectParticle(esdCascadeNeg->GetLabel());
500 aodTrack = new(tracks[jTracks++]) AliAODTrack( esdCascadeNeg->GetID(),
501 esdCascadeNeg->GetLabel(),
505 kFALSE, // Why kFALSE for "isDCA" ? FIXME
507 (Short_t)esdCascadeNeg->GetSign(),
508 esdCascadeNeg->GetITSClusterMap(),
511 kTRUE, // usedForVtxFit = kFALSE ? FIXME
512 vtx->UsesTrack(esdCascadeNeg->GetID()),
513 AliAODTrack::kSecondary,
516 aodTrackRefs->AddAt(aodTrack,idxNegFromV0Dghter);
518 if (esdCascadeNeg->GetSign() > 0) nPosTracks++;
519 aodTrack->ConvertAliPIDtoAODPID();
520 aodTrack->SetFlags(esdCascadeNeg->GetStatus());
521 SetAODPID(esdCascadeNeg,aodTrack,detpid,timezero,esd->GetMagneticField());
524 aodTrack = dynamic_cast<AliAODTrack*>(aodTrackRefs->At(idxNegFromV0Dghter));
527 vV0FromCascade->AddDaughter(aodTrack);
530 // 4.A.4 - Add the V0 from cascade to the V0 array
532 Double_t dcaV0Daughters = esdV0FromCascade->GetDcaV0Daughters();
533 Double_t dcaV0ToPrimVertex = esdV0FromCascade->GetD( esd->GetPrimaryVertex()->GetX(),
534 esd->GetPrimaryVertex()->GetY(),
535 esd->GetPrimaryVertex()->GetZ() );
536 esdV0FromCascade->GetPPxPyPz( momPosAtV0vtx[0],momPosAtV0vtx[1],momPosAtV0vtx[2] );
537 esdV0FromCascade->GetNPxPyPz( momNegAtV0vtx[0],momNegAtV0vtx[1],momNegAtV0vtx[2] );
539 Double_t dcaDaughterToPrimVertex[2] = { 999., 999.}; // ..[0] = DCA in (x,y) for Pos and ..[1] = Neg
540 dcaDaughterToPrimVertex[0] = TMath::Abs(esdCascadePos->GetD( esd->GetPrimaryVertex()->GetX(),
541 esd->GetPrimaryVertex()->GetY(),
542 esd->GetMagneticField()) );
543 dcaDaughterToPrimVertex[1] = TMath::Abs(esdCascadeNeg->GetD( esd->GetPrimaryVertex()->GetX(),
544 esd->GetPrimaryVertex()->GetY(),
545 esd->GetMagneticField()) );
547 aodV0 = new(v0s[jV0s++]) AliAODv0( vV0FromCascade,
552 dcaDaughterToPrimVertex);
553 // set the aod v0 on-the-fly status
554 aodV0->SetOnFlyStatus(esdV0FromCascade->GetOnFlyStatus());
556 // Add the aodV0 to the aodVORefs
557 aodV0Refs->AddAt(aodV0,idxV0FromCascade);
559 usedV0[idxV0FromCascade] = kTRUE;
562 // 4.B - if V0 structure already used
565 // one V0 can be used by several cascades (frequent in PbPb evts) :
566 // same V0 which used but attached to different bachelor tracks
567 // -> aodVORefs and aodV0VtxRefs are needed.
568 // Goal : avoid a redundancy of the info in "Vertices" and "v0s" clones array.
570 vV0FromCascade = dynamic_cast<AliAODVertex*>( aodV0VtxRefs->At(idxV0FromCascade) );
571 aodV0 = dynamic_cast<AliAODv0*> ( aodV0Refs ->At(idxV0FromCascade) );
573 // - Treatment of the parent for such a "re-used" V0 :
574 // Insert the cascade that reuses the V0 vertex in the lineage chain
575 // Before : vV0 -> vCascade1 -> vPrimary
576 // - Hyp : cascade2 uses the same V0 as cascade1
577 // After : vV0 -> vCascade2 -> vCascade1 -> vPrimary
579 AliAODVertex *vCascadePreviousParent = dynamic_cast<AliAODVertex*> (vV0FromCascade->GetParent());
580 vV0FromCascade->SetParent(vCascade);
581 vCascade ->SetParent(vCascadePreviousParent);
584 printf("---- Cascade / Lineage insertion\n"
585 "Parent of V0 vtx = Cascade vtx %p\n"
586 "Parent of the cascade vtx = Cascade vtx %p\n"
587 "Parent of the parent cascade vtx = Cascade vtx %p\n",
588 static_cast<void*> (vV0FromCascade->GetParent()),
589 static_cast<void*> (vCascade->GetParent()),
590 static_cast<void*> (vCascadePreviousParent->GetParent()) );
592 }// end if V0 structure already used
595 printf("---- Cascade / V0 vertex: \n");
596 vV0FromCascade->Print();
600 printf("---- Cascade / pos dghter : \n");
602 printf("---- Cascade / neg dghter : \n");
604 printf("---- Cascade / aodV0 : \n");
608 // In any case (used V0 or not), add the V0 vertex to the cascade one.
609 vCascade->AddDaughter(vV0FromCascade);
612 // 5 - Add the primary track of the cascade (if any)
615 // 6 - Add the cascade to the AOD array of cascades
617 Double_t dcaBachToPrimVertexXY = TMath::Abs(esdCascadeBach->GetD(esd->GetPrimaryVertex()->GetX(),
618 esd->GetPrimaryVertex()->GetY(),
619 esd->GetMagneticField()) );
621 esdCascade->GetBPxPyPz(momBachAtCascadeVtx[0], momBachAtCascadeVtx[1], momBachAtCascadeVtx[2]);
623 aodCascade = new(cascades[jCascades++]) AliAODcascade( vCascade,
624 esdCascade->Charge(),
625 esdCascade->GetDcaXiDaughters(),
627 // DCAXiToPrimVtx -> needs to be calculated ----|
628 // doesn't exist at ESD level;
629 // See AODcascade::DcaXiToPrimVertex(Double, Double, Double)
630 dcaBachToPrimVertexXY,
635 printf("---- Cascade / AOD cascade : \n\n");
636 aodCascade->PrintXi(primary->GetX(), primary->GetY(), primary->GetZ());
639 } // end of the loop on cascades
641 cascades.Expand(jCascades);
648 for (Int_t nV0 = 0; nV0 < nV0s; ++nV0) {
650 if (usedV0[nV0]) continue; // skip if already added to the AOD
652 AliESDv0 *v0 = esd->GetV0(nV0);
653 Int_t posFromV0 = v0->GetPindex();
654 Int_t negFromV0 = v0->GetNindex();
658 AliESDVertex *esdVtx = new AliESDVertex(*(esd->GetPrimaryVertex()));
659 AliESDtrack *esdV0Pos = esd->GetTrack(posFromV0);
660 AliESDtrack *esdV0Neg = esd->GetTrack(negFromV0);
662 v0objects.AddAt(v0, 0);
663 v0objects.AddAt(esdV0Pos, 1);
664 v0objects.AddAt(esdV0Neg, 2);
665 v0objects.AddAt(esdVtx, 3);
668 selectV0 = fV0Filter->IsSelected(&v0objects);
669 // this is a little awkward but otherwise the
670 // list wants to access the pointer (delete it)
671 // again when going out of scope
672 delete v0objects.RemoveAt(3); // esdVtx created via copy construct
678 delete v0objects.RemoveAt(3); // esdVtx created via copy construct
682 v0->GetXYZ(pos[0], pos[1], pos[2]);
685 chi2 = v0->GetChi2V0(); // = chi2/NDF since NDF = 2*2-3
686 v0->GetPosCov(covVtx);
689 for (Int_t i = 0; i < 6; i++) covVtx[i] = 0.;
694 new(vertices[jVertices++]) AliAODVertex(pos,
700 primary->AddDaughter(vV0);
703 // Add the positive tracks from the V0
705 esdV0Pos->GetPxPyPz(momPos);
706 esdV0Pos->GetXYZ(pos);
707 esdV0Pos->GetCovarianceXYZPxPyPz(covTr);
708 esdV0Pos->GetESDpid(pid);
710 if (!usedTrack[posFromV0]) {
711 usedTrack[posFromV0] = kTRUE;
712 UInt_t selectInfo = 0;
713 if (fTrackFilter) selectInfo = fTrackFilter->IsSelected(esdV0Pos);
714 if(mcH)mcH->SelectParticle(esdV0Pos->GetLabel());
715 aodTrack = new(tracks[jTracks++]) AliAODTrack(esdV0Pos->GetID(),
716 esdV0Pos->GetLabel(),
722 (Short_t)esdV0Pos->GetSign(),
723 esdV0Pos->GetITSClusterMap(),
726 kTRUE, // check if this is right
727 vtx->UsesTrack(esdV0Pos->GetID()),
728 AliAODTrack::kSecondary,
730 aodTrackRefs->AddAt(aodTrack,posFromV0);
731 // if (fDebug > 0) printf("-------------------Bo: pos track from original pt %.3f \n",aodTrack->Pt());
732 if (esdV0Pos->GetSign() > 0) nPosTracks++;
733 aodTrack->ConvertAliPIDtoAODPID();
734 aodTrack->SetFlags(esdV0Pos->GetStatus());
735 SetAODPID(esdV0Pos,aodTrack,detpid,timezero,esd->GetMagneticField());
738 aodTrack = dynamic_cast<AliAODTrack*>(aodTrackRefs->At(posFromV0));
739 // if (fDebug > 0) printf("-------------------Bo pos track from refArray pt %.3f \n",aodTrack->Pt());
741 vV0->AddDaughter(aodTrack);
743 // Add the negative tracks from the V0
745 esdV0Neg->GetPxPyPz(momNeg);
746 esdV0Neg->GetXYZ(pos);
747 esdV0Neg->GetCovarianceXYZPxPyPz(covTr);
748 esdV0Neg->GetESDpid(pid);
750 if (!usedTrack[negFromV0]) {
751 usedTrack[negFromV0] = kTRUE;
752 UInt_t selectInfo = 0;
753 if (fTrackFilter) selectInfo = fTrackFilter->IsSelected(esdV0Neg);
754 if(mcH)mcH->SelectParticle(esdV0Neg->GetLabel());
755 aodTrack = new(tracks[jTracks++]) AliAODTrack(esdV0Neg->GetID(),
756 esdV0Neg->GetLabel(),
762 (Short_t)esdV0Neg->GetSign(),
763 esdV0Neg->GetITSClusterMap(),
766 kTRUE, // check if this is right
767 vtx->UsesTrack(esdV0Neg->GetID()),
768 AliAODTrack::kSecondary,
771 aodTrackRefs->AddAt(aodTrack,negFromV0);
772 // if (fDebug > 0) printf("-------------------Bo: neg track from original pt %.3f \n",aodTrack->Pt());
773 if (esdV0Neg->GetSign() > 0) nPosTracks++;
774 aodTrack->ConvertAliPIDtoAODPID();
775 aodTrack->SetFlags(esdV0Neg->GetStatus());
776 SetAODPID(esdV0Neg,aodTrack,detpid,timezero,esd->GetMagneticField());
779 aodTrack = dynamic_cast<AliAODTrack*>(aodTrackRefs->At(negFromV0));
780 // if (fDebug > 0) printf("-------------------Bo neg track from refArray pt %.3f \n",aodTrack->Pt());
782 vV0->AddDaughter(aodTrack);
785 // Add the V0 the V0 array as well
787 Double_t dcaV0Daughters = v0->GetDcaV0Daughters();
788 Double_t dcaV0ToPrimVertex = v0->GetD(esd->GetPrimaryVertex()->GetX(),
789 esd->GetPrimaryVertex()->GetY(),
790 esd->GetPrimaryVertex()->GetZ());
791 v0->GetPPxPyPz(momPosAtV0vtx[0],momPosAtV0vtx[1],momPosAtV0vtx[2]);
792 v0->GetNPxPyPz(momNegAtV0vtx[0],momNegAtV0vtx[1],momNegAtV0vtx[2]);
794 Double_t dcaDaughterToPrimVertex[2] = { 999., 999.}; // ..[0] = DCA in (x,y) for Pos and ..[1] = Neg
795 dcaDaughterToPrimVertex[0] = TMath::Abs(esdV0Pos->GetD( esd->GetPrimaryVertex()->GetX(),
796 esd->GetPrimaryVertex()->GetY(),
797 esd->GetMagneticField()) );
798 dcaDaughterToPrimVertex[1] = TMath::Abs(esdV0Neg->GetD( esd->GetPrimaryVertex()->GetX(),
799 esd->GetPrimaryVertex()->GetY(),
800 esd->GetMagneticField()) );
802 aodV0 = new(v0s[jV0s++]) AliAODv0(vV0,
807 dcaDaughterToPrimVertex);
809 // set the aod v0 on-the-fly status
810 aodV0->SetOnFlyStatus(v0->GetOnFlyStatus());
811 }//End of loop on V0s
815 if (fDebug > 0) printf(" NAODCascades=%d / NAODV0s=%d\n", jCascades, jV0s);
819 // Kinks: it is a big mess the access to the information in the kinks
820 // The loop is on the tracks in order to find the mother and daugther of each kink
823 for (Int_t iTrack=0; iTrack<nTracks; ++iTrack) {
825 AliESDtrack * esdTrack = esd->GetTrack(iTrack);
827 Int_t ikink = esdTrack->GetKinkIndex(0);
829 if (ikink && nKinks) {
830 // Negative kink index: mother, positive: daughter
832 // Search for the second track of the kink
834 for (Int_t jTrack = iTrack+1; jTrack<nTracks; ++jTrack) {
836 AliESDtrack * esdTrack1 = esd->GetTrack(jTrack);
838 Int_t jkink = esdTrack1->GetKinkIndex(0);
840 if ( TMath::Abs(ikink)==TMath::Abs(jkink) ) {
842 // The two tracks are from the same kink
844 if (usedKink[TMath::Abs(ikink)-1]) continue; // skip used kinks
847 Int_t idaughter = -1;
849 if (ikink<0 && jkink>0) {
854 else if (ikink>0 && jkink<0) {
860 // cerr << "Error: Wrong combination of kink indexes: "
861 // << ikink << " " << jkink << endl;
865 // Add the mother track if it passed primary track selection cuts
867 AliAODTrack * mother = NULL;
869 UInt_t selectInfo = 0;
871 selectInfo = fTrackFilter->IsSelected(esd->GetTrack(imother));
872 if (!selectInfo) continue;
875 if (!usedTrack[imother]) {
877 usedTrack[imother] = kTRUE;
879 AliESDtrack *esdTrackM = esd->GetTrack(imother);
880 esdTrackM->GetPxPyPz(p);
881 esdTrackM->GetXYZ(pos);
882 esdTrackM->GetCovarianceXYZPxPyPz(covTr);
883 esdTrackM->GetESDpid(pid);
884 if(mcH)mcH->SelectParticle(esdTrackM->GetLabel());
886 new(tracks[jTracks++]) AliAODTrack(esdTrackM->GetID(),
887 esdTrackM->GetLabel(),
893 (Short_t)esdTrackM->GetSign(),
894 esdTrackM->GetITSClusterMap(),
897 kTRUE, // check if this is right
898 vtx->UsesTrack(esdTrack->GetID()),
899 AliAODTrack::kPrimary,
901 aodTrackRefs->AddAt(mother, imother);
903 if (esdTrackM->GetSign() > 0) nPosTracks++;
904 mother->SetFlags(esdTrackM->GetStatus());
905 mother->ConvertAliPIDtoAODPID();
906 primary->AddDaughter(mother);
907 mother->ConvertAliPIDtoAODPID();
908 SetAODPID(esdTrackM,mother,detpid,timezero,esd->GetMagneticField());
911 // cerr << "Error: event " << esd->GetEventNumberInFile() << " kink " << TMath::Abs(ikink)-1
912 // << " track " << imother << " has already been used!" << endl;
915 // Add the kink vertex
916 AliESDkink * kink = esd->GetKink(TMath::Abs(ikink)-1);
918 AliAODVertex * vkink =
919 new(vertices[jVertices++]) AliAODVertex(kink->GetPosition(),
923 esdTrack->GetID(), // This is the track ID of the mother's track!
924 AliAODVertex::kKink);
925 // Add the daughter track
927 AliAODTrack * daughter = NULL;
929 if (!usedTrack[idaughter]) {
931 usedTrack[idaughter] = kTRUE;
933 AliESDtrack *esdTrackD = esd->GetTrack(idaughter);
934 esdTrackD->GetPxPyPz(p);
935 esdTrackD->GetXYZ(pos);
936 esdTrackD->GetCovarianceXYZPxPyPz(covTr);
937 esdTrackD->GetESDpid(pid);
939 if (fTrackFilter) selectInfo = fTrackFilter->IsSelected(esdTrackD);
940 if(mcH)mcH->SelectParticle(esdTrackD->GetLabel());
942 new(tracks[jTracks++]) AliAODTrack(esdTrackD->GetID(),
943 esdTrackD->GetLabel(),
949 (Short_t)esdTrackD->GetSign(),
950 esdTrackD->GetITSClusterMap(),
953 kTRUE, // check if this is right
954 vtx->UsesTrack(esdTrack->GetID()),
955 AliAODTrack::kSecondary,
958 aodTrackRefs->AddAt(daughter, idaughter);
960 if (esdTrackD->GetSign() > 0) nPosTracks++;
961 daughter->SetFlags(esdTrackD->GetStatus());
962 daughter->ConvertAliPIDtoAODPID();
963 vkink->AddDaughter(daughter);
964 daughter->ConvertAliPIDtoAODPID();
965 SetAODPID(esdTrackD,daughter,detpid,timezero,esd->GetMagneticField());
968 // cerr << "Error: event " << esd->GetEventNumberInFile() << " kink " << TMath::Abs(ikink)-1
969 // << " track " << idaughter << " has already been used!" << endl;
977 // Tracks (primary and orphan)
979 if (fDebug > 0) printf("NUMBER OF ESD TRACKS %5d\n", nTracks);
981 for (Int_t nTrack = 0; nTrack < nTracks; ++nTrack) {
984 if (usedTrack[nTrack]) continue;
986 AliESDtrack *esdTrack = esd->GetTrack(nTrack);
987 UInt_t selectInfo = 0;
991 selectInfo = fTrackFilter->IsSelected(esdTrack);
992 if (!selectInfo && !vtx->UsesTrack(esdTrack->GetID())) continue;
996 esdTrack->GetPxPyPz(p);
997 esdTrack->GetXYZ(pos);
998 esdTrack->GetCovarianceXYZPxPyPz(covTr);
999 esdTrack->GetESDpid(pid);
1000 if(mcH)mcH->SelectParticle(esdTrack->GetLabel());
1001 primary->AddDaughter(aodTrack =
1002 new(tracks[jTracks++]) AliAODTrack(esdTrack->GetID(),
1003 esdTrack->GetLabel(),
1009 (Short_t)esdTrack->GetSign(),
1010 esdTrack->GetITSClusterMap(),
1013 kTRUE, // check if this is right
1014 vtx->UsesTrack(esdTrack->GetID()),
1015 AliAODTrack::kPrimary,
1018 aodTrackRefs->AddAt(aodTrack, nTrack);
1020 if (esdTrack->GetSign() > 0) nPosTracks++;
1021 aodTrack->SetFlags(esdTrack->GetStatus());
1022 aodTrack->ConvertAliPIDtoAODPID();
1023 SetAODPID(esdTrack,aodTrack,detpid,timezero,esd->GetMagneticField());
1024 } // end of loop on tracks
1026 // Update number of AOD tracks in header at the end of track loop (M.G.)
1027 header->SetRefMultiplicity(jTracks);
1028 header->SetRefMultiplicityPos(nPosTracks);
1029 header->SetRefMultiplicityNeg(jTracks - nPosTracks);
1031 printf(" NAODTRACKS=%d NPOS=%d NNEG=%d\n", jTracks, nPosTracks, jTracks - nPosTracks);
1032 // Do not shrink the array of tracks - other filters may add to it (M.G)
1033 // tracks.Expand(jTracks); // remove 'empty slots' due to unwritten tracks
1035 // Access to the AOD container of PMD clusters
1036 TClonesArray &pmdClusters = *(AODEvent()->GetPmdClusters());
1037 Int_t jPmdClusters=0;
1039 for (Int_t iPmd = 0; iPmd < nPmdClus; ++iPmd) {
1040 // file pmd clusters, to be revised!
1041 AliESDPmdTrack *pmdTrack = esd->GetPmdTrack(iPmd);
1044 Double_t posPmd[3] = { pmdTrack->GetClusterX(), pmdTrack->GetClusterY(), pmdTrack->GetClusterZ()};
1045 Double_t pidPmd[13] = { 0.}; // to be revised!
1047 // assoc cluster not set
1048 new(pmdClusters[jPmdClusters++]) AliAODPmdCluster(iPmd, nLabel, label, pmdTrack->GetClusterADC(), posPmd, pidPmd);
1051 // Access to the AOD container of clusters
1052 TClonesArray &caloClusters = *(AODEvent()->GetCaloClusters());
1055 for (Int_t iClust=0; iClust<nCaloClus; ++iClust) {
1057 AliESDCaloCluster * cluster = esd->GetCaloCluster(iClust);
1059 Int_t id = cluster->GetID();
1060 Int_t nLabel = cluster->GetNLabels();
1061 TArrayI* labels = cluster->GetLabels();
1064 label = (cluster->GetLabels())->GetArray();
1065 for(int i = 0;i < labels->GetSize();++i){
1066 if(mcH)mcH->SelectParticle(label[i]);
1070 Float_t energy = cluster->E();
1071 cluster->GetPosition(posF);
1072 Char_t ttype = AliAODCluster::kUndef;
1074 if (cluster->GetClusterType() == AliESDCaloCluster::kPHOSCluster) {
1075 ttype=AliAODCluster::kPHOSNeutral;
1077 else if (cluster->GetClusterType() == AliESDCaloCluster::kEMCALClusterv1) {
1078 ttype = AliAODCluster::kEMCALClusterv1;
1082 AliAODCaloCluster *caloCluster = new(caloClusters[jClusters++]) AliAODCaloCluster(id,
1090 caloCluster->SetCaloCluster(cluster->GetDistanceToBadChannel(),
1091 cluster->GetClusterDisp(),
1092 cluster->GetM20(), cluster->GetM02(),
1093 cluster->GetEmcCpvDistance(),
1094 cluster->GetNExMax(),cluster->GetTOF()) ;
1096 caloCluster->SetPIDFromESD(cluster->GetPid());
1097 caloCluster->SetNCells(cluster->GetNCells());
1098 caloCluster->SetCellsAbsId(cluster->GetCellsAbsId());
1099 caloCluster->SetCellsAmplitudeFraction(cluster->GetCellsAmplitudeFraction());
1101 TArrayI* matchedT = cluster->GetTracksMatched();
1102 if (nTracks>0 && matchedT && cluster->GetTrackMatched() >= 0) {
1103 for (Int_t im = 0; im < matchedT->GetSize(); im++) {
1104 Int_t iESDtrack = matchedT->At(im);;
1105 if (aodTrackRefs->At(iESDtrack) != 0) {
1106 caloCluster->AddTrackMatched((AliAODTrack*)aodTrackRefs->At(iESDtrack));
1112 caloClusters.Expand(jClusters); // resize TObjArray to 'remove' slots for pseudo clusters
1113 // end of loop on calo clusters
1115 // fill EMCAL cell info
1116 if (esd->GetEMCALCells()) { // protection against missing ESD information
1117 AliESDCaloCells &esdEMcells = *(esd->GetEMCALCells());
1118 Int_t nEMcell = esdEMcells.GetNumberOfCells() ;
1120 AliAODCaloCells &aodEMcells = *(AODEvent()->GetEMCALCells());
1121 aodEMcells.CreateContainer(nEMcell);
1122 aodEMcells.SetType(AliAODCaloCells::kEMCAL);
1123 for (Int_t iCell = 0; iCell < nEMcell; iCell++) {
1124 aodEMcells.SetCell(iCell,esdEMcells.GetCellNumber(iCell),esdEMcells.GetAmplitude(iCell));
1129 // fill PHOS cell info
1130 if (esd->GetPHOSCells()) { // protection against missing ESD information
1131 AliESDCaloCells &esdPHcells = *(esd->GetPHOSCells());
1132 Int_t nPHcell = esdPHcells.GetNumberOfCells() ;
1134 AliAODCaloCells &aodPHcells = *(AODEvent()->GetPHOSCells());
1135 aodPHcells.CreateContainer(nPHcell);
1136 aodPHcells.SetType(AliAODCaloCells::kPHOS);
1137 for (Int_t iCell = 0; iCell < nPHcell; iCell++) {
1138 aodPHcells.SetCell(iCell,esdPHcells.GetCellNumber(iCell),esdPHcells.GetAmplitude(iCell));
1144 AliAODTracklets &SPDTracklets = *(AODEvent()->GetTracklets());
1145 const AliMultiplicity *mult = esd->GetMultiplicity();
1147 if (mult->GetNumberOfTracklets()>0) {
1148 SPDTracklets.CreateContainer(mult->GetNumberOfTracklets());
1150 for (Int_t n=0; n<mult->GetNumberOfTracklets(); n++) {
1152 mcH->SelectParticle(mult->GetLabel(n, 0));
1153 mcH->SelectParticle(mult->GetLabel(n, 1));
1155 SPDTracklets.SetTracklet(n, mult->GetTheta(n), mult->GetPhi(n), mult->GetDeltaPhi(n), mult->GetLabel(n, 0),mult->GetLabel(n, 1));
1159 //Printf("ERROR: AliMultiplicity could not be retrieved from ESD");
1164 delete [] usedTrack;
1166 delete aodV0VtxRefs;
1167 delete aodTrackRefs;
1173 void AliAnalysisTaskESDfilter::SetAODPID(AliESDtrack *esdtrack, AliAODTrack *aodtrack, AliAODPid *detpid, Double_t timezero, Double_t bfield)
1176 // Setter for the raw PID detector signals
1179 if(esdtrack->Pt()>fHighPthreshold) {
1180 detpid = new AliAODPid();
1181 SetDetectorRawSignals(detpid,esdtrack,timezero, bfield);
1182 aodtrack->SetDetPID(detpid);
1185 if(esdtrack->Pt()> fPtshape->GetXmin()){
1186 Double_t y = fPtshape->Eval(esdtrack->Pt())/fPtshape->Eval(fHighPthreshold);
1187 if(gRandom->Rndm(0)<1./y){
1188 detpid = new AliAODPid();
1189 SetDetectorRawSignals(detpid,esdtrack,timezero, bfield);
1190 aodtrack->SetDetPID(detpid);
1193 }//end if p function
1197 void AliAnalysisTaskESDfilter::SetDetectorRawSignals(AliAODPid *aodpid, AliESDtrack *track, Double_t timezero, Double_t bfield)
1200 //assignment of the detector signals (AliXXXesdPID inspired)
1203 AliInfo("no ESD track found. .....exiting");
1207 aodpid->SetITSsignal(track->GetITSsignal());
1208 aodpid->SetTPCsignal(track->GetTPCsignal());
1211 Int_t nslices = track->GetNumberOfTRDslices()*6;
1212 Double_t *trdslices = new Double_t[nslices];
1213 for(Int_t iSl =0; iSl < track->GetNumberOfTRDslices(); iSl++) {
1214 for(Int_t iPl =0; iPl<6; iPl++) trdslices[iPl*track->GetNumberOfTRDslices()+iSl] = track->GetTRDslice(iPl,iSl);
1218 aodpid->SetTRDsignal(track->GetNumberOfTRDslices()*6,trdslices);
1219 Double_t times[AliAODPid::kSPECIES]; track->GetIntegratedTimes(times);
1220 aodpid->SetIntegratedTimes(times);
1222 aodpid->SetTOFsignal(track->GetTOFsignal()-timezero); // to be fixed
1223 aodpid->SetHMPIDsignal(track->GetHMPIDsignal());
1225 //Extrapolate track to EMCAL surface for AOD-level track-cluster matching
1226 Double_t emcpos[3] = {0.,0.,0.};
1227 Double_t emcmom[3] = {0.,0.,0.};
1228 aodpid->SetEMCALPosition(emcpos);
1229 aodpid->SetEMCALMomentum(emcmom);
1231 AliExternalTrackParam *outerparam = (AliExternalTrackParam*)track->GetOuterParam();
1232 if(!outerparam) return;
1234 //To be replaced by call to AliEMCALGeoUtils when the class becomes available
1235 Double_t radius = 441.0; //[cm] EMCAL radius +13cm
1237 Bool_t okpos = outerparam->GetXYZAt(radius,bfield,emcpos);
1238 Bool_t okmom = outerparam->GetPxPyPzAt(radius,bfield,emcmom);
1239 if(!(okpos && okmom)) return;
1241 aodpid->SetEMCALPosition(emcpos);
1242 aodpid->SetEMCALMomentum(emcmom);
1246 void AliAnalysisTaskESDfilter::Terminate(Option_t */*option*/)
1248 // Terminate analysis
1250 if (fDebug > 1) printf("AnalysisESDfilter: Terminate() \n");
1253 void AliAnalysisTaskESDfilter::PrintMCInfo(AliStack *pStack,Int_t label){
1255 label = TMath::Abs(label);
1256 TParticle *part = pStack->Particle(label);
1257 Printf("########################");
1258 Printf("%s:%d %d UniqueID %d PDG %d P %3.3f",(char*)__FILE__,__LINE__,label,part->GetUniqueID(),part->GetPdgCode(),part->P());
1260 TParticle* mother = part;
1261 Int_t imo = part->GetFirstMother();
1262 Int_t nprim = pStack->GetNprimary();
1263 // while((imo >= nprim) && (mother->GetUniqueID() == 4)) {
1264 while((imo >= nprim)) {
1265 mother = pStack->Particle(imo);
1266 Printf("Mother %s:%d Label %d UniqueID %d PDG %d P %3.3f",(char*)__FILE__,__LINE__,imo,mother->GetUniqueID(),mother->GetPdgCode(),mother->P());
1268 imo = mother->GetFirstMother();
1270 Printf("########################");