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>
42 #include <TParticle.h>
45 #include "AliAnalysisManager.h"
46 #include "AliESDEvent.h"
47 #include "AliMCEvent.h"
48 #include "AliESDInputHandler.h"
49 #include "AliMCEventHandler.h"
51 #include "AliESDfriend.h"
52 #include "AliESDfriendTrack.h"
53 #include "AliESDHeader.h"
54 #include "AliESDtrack.h"
55 #include "AliMCParticle.h"
58 #include "AliTRDtrackV1.h"
59 #include "AliTrackReference.h"
60 #include "AliTRDgeometry.h"
61 #include "AliTRDcluster.h"
62 #include "AliTRDseedV1.h"
63 #include "TTreeStream.h"
70 #include "AliTRDinfoGen.h"
71 #include "info/AliTRDtrackInfo.h"
72 #include "info/AliTRDeventInfo.h"
73 #include "info/AliTRDv0Info.h"
75 ClassImp(AliTRDinfoGen)
77 const Float_t AliTRDinfoGen::fgkTPC = 290.;
78 const Float_t AliTRDinfoGen::fgkTOF = 365.;
80 const Float_t AliTRDinfoGen::fgkEvVertexZ = 15.;
81 const Int_t AliTRDinfoGen::fgkEvVertexN = 1;
83 const Float_t AliTRDinfoGen::fgkTrkDCAxy = 40.;
84 const Float_t AliTRDinfoGen::fgkTrkDCAz = 15.;
85 const Int_t AliTRDinfoGen::fgkNclTPC = 10;
86 const Float_t AliTRDinfoGen::fgkPt = 0.2;
87 const Float_t AliTRDinfoGen::fgkEta = 0.9;
89 //____________________________________________________________________
90 AliTRDinfoGen::AliTRDinfoGen():
91 AliTRDrecoTask("infoGen", "MC-REC TRD-track list generator")
92 ,fEvTrigger("CINT1B-ABCE-NOPF-ALL")
102 // Default constructor
105 DefineInput(0, TChain::Class());
106 DefineOutput(0, TObjArray::Class());
107 DefineOutput(1, AliTRDeventInfo::Class());
108 DefineOutput(2, TObjArray::Class());
111 //____________________________________________________________________
112 AliTRDinfoGen::~AliTRDinfoGen()
116 if(fTrackInfo) delete fTrackInfo; fTrackInfo = NULL;
117 if(fEventInfo) delete fEventInfo; fEventInfo = NULL;
118 if(fV0Info) delete fV0Info; fV0Info = NULL;
120 fContainer->Delete(); delete fContainer;
124 fV0container->Delete(); delete fV0container;
129 //____________________________________________________________________
130 void AliTRDinfoGen::ConnectInputData(Option_t *)
133 // Link the Input Data
135 TTree *tree = dynamic_cast<TChain*>(GetInputData(0));
137 AliError("ESD event not found");
139 tree->SetBranchStatus("Tracks", 1);
140 tree->SetBranchStatus("ESDfriend*",1);
143 AliESDInputHandler *esdH = dynamic_cast<AliESDInputHandler*>(AliAnalysisManager::GetAnalysisManager()->GetInputEventHandler());
145 printf("ERROR - ESD input handler not found");
147 fESDev = esdH->GetEvent();
149 printf("ERROR - ESD event not found");
151 esdH->SetActiveBranches("ESDfriend*");
152 fESDfriend = (AliESDfriend *)fESDev->FindListObject("AliESDfriend");
156 AliMCEventHandler *mcH = dynamic_cast<AliMCEventHandler*>(AliAnalysisManager::GetAnalysisManager()->GetMCtruthEventHandler());
158 AliError("MC input handler not found");
160 fMCev = mcH->MCEvent();
165 //____________________________________________________________________
166 void AliTRDinfoGen::CreateOutputObjects()
169 // Create Output Containers (TObjectArray containing 1D histograms)
171 fTrackInfo = new AliTRDtrackInfo();
172 fEventInfo = new AliTRDeventInfo();
173 fV0Info = new AliTRDv0Info();
174 fContainer = new TObjArray(1000);
175 fContainer->SetOwner(kTRUE);
176 fV0container = new TObjArray(50);
177 fV0container->SetOwner(kTRUE);
181 //____________________________________________________________________
182 void AliTRDinfoGen::Exec(Option_t *){
187 AliError("Failed retrieving ESD event");
191 // event selection : trigger cut
192 if(UseLocalEvSelection() &&
193 fEvTrigger.Data()[0]!='\0'){
194 Bool_t kTRIGGERED(kFALSE);
195 const TObjArray *trig = fEvTrigger.Tokenize(" ");
196 for(Int_t itrig=trig->GetEntriesFast(); itrig--;){
197 const Char_t *trigClass(((TObjString*)(*trig)[itrig])->GetName());
198 if(fESDev->IsTriggerClassFired(trigClass)) {
199 AliDebug(2, Form("Ev[%4d] Trigger[%s]", fESDev->GetEventNumberInFile(), trigClass));
204 if(!kTRIGGERED) return;
206 // select only physical events
207 if(fESDev->GetEventType() != 7) return;
210 // if the required trigger is a collision trigger then apply event vertex cut
211 if(UseLocalEvSelection() && IsCollision()){
212 const AliESDVertex *vertex = fESDev->GetPrimaryVertex();
213 if(TMath::Abs(vertex->GetZv())<1.e-10 ||
214 TMath::Abs(vertex->GetZv())>fgkEvVertexZ ||
215 vertex->GetNContributors()<fgkEvVertexN) {
216 //PostData(0, fOutStorage);
222 AliError("Failed retrieving ESD friend event");
225 if(HasMCdata() && !fMCev){
226 AliError("Failed retrieving MC event");
229 fContainer->Delete();
230 fV0container->Delete();
231 fEventInfo->Delete("");
232 fESDev->SetESDfriend(fESDfriend);
233 new(fEventInfo)AliTRDeventInfo(fESDev->GetHeader(), const_cast<AliESDRun *>(fESDev->GetESDRun()));
235 Bool_t *trackMap(NULL);
236 AliStack * mStack(NULL);
237 Int_t nTracksMC = HasMCdata() ? fMCev->GetNumberOfTracks() : 0, nTracksESD = fESDev->GetNumberOfTracks();
239 mStack = fMCev->Stack();
241 AliError("Failed retrieving MC Stack");
244 trackMap = new Bool_t[nTracksMC];
245 memset(trackMap, 0, sizeof(Bool_t) * nTracksMC);
248 Double32_t dedx[100]; Int_t nSlices(0);
249 Int_t nTRDout(0), nTRDin(0), nTPC(0), nclsTrklt;
250 AliDebug(2, Form("Entry[%3d] Tracks: ESD[%d] MC[%d]\n", (Int_t)AliAnalysisManager::GetAnalysisManager()->GetCurrentEntry(), nTracksESD, nTracksMC));
251 AliESDtrack *esdTrack = NULL;
252 AliESDfriendTrack *esdFriendTrack = NULL;
253 TObject *calObject = NULL;
254 AliTRDtrackV1 *track = NULL;
255 AliTRDseedV1 *tracklet = NULL;
256 AliTRDcluster *cl = NULL;
257 for(Int_t itrk = 0; itrk < nTracksESD; itrk++){
258 esdTrack = fESDev->GetTrack(itrk);
259 AliDebug(3, Form("\n%3d ITS[%d] TPC[%d] TRD[%d]\n", itrk, esdTrack->GetNcls(0), esdTrack->GetNcls(1), esdTrack->GetNcls(2)));
262 if(UseLocalTrkSelection()){
263 if(esdTrack->Pt() < fgkPt) continue;
264 if(TMath::Abs(esdTrack->Eta()) > fgkEta) continue;
265 if(esdTrack->GetTPCNcls() < fgkNclTPC) continue;
266 Float_t par[2], cov[3];
267 esdTrack->GetImpactParameters(par, cov);
268 if(IsCollision()){ // cuts on DCA
269 if(TMath::Abs(par[0]) > fgkTrkDCAxy) continue;
270 if(TMath::Abs(par[1]) > fgkTrkDCAz) continue;
274 if(esdTrack->GetStatus()&AliESDtrack::kTPCout) nTPC++;
275 if(esdTrack->GetStatus()&AliESDtrack::kTRDout) nTRDout++;
276 if(esdTrack->GetStatus()&AliESDtrack::kTRDin) nTRDin++;
278 // look at external track param
279 const AliExternalTrackParam *op = esdTrack->GetOuterParam();
283 op->Global2LocalPosition(xyz, op->GetAlpha());
284 AliDebug(3, Form("op @ X[%7.3f]\n", xyz[0]));
289 Int_t label = -1; UInt_t alab=UINT_MAX;
291 label = esdTrack->GetLabel();
292 alab = TMath::Abs(label);
293 // register the track
294 if(alab < UInt_t(nTracksMC)){
295 trackMap[alab] = kTRUE;
297 AliError(Form("MC label[%d] outside scope for Ev[%d] Trk[%d].", label, (Int_t)AliAnalysisManager::GetAnalysisManager()->GetCurrentEntry(), itrk));
300 AliMCParticle *mcParticle = NULL;
301 if(!(mcParticle = (AliMCParticle*) fMCev->GetTrack(alab))){
302 AliError(Form("MC particle label[%d] missing for Ev[%d] Trk[%d].", label, (Int_t)AliAnalysisManager::GetAnalysisManager()->GetCurrentEntry(), itrk));
305 fPdg = mcParticle->Particle()->GetPdgCode();
306 Int_t nRefs = mcParticle->GetNumberOfTrackReferences();
307 Int_t iref = 0; AliTrackReference *ref = NULL;
309 ref = mcParticle->GetTrackReference(iref);
310 if(ref->LocalX() > fgkTPC) break;
314 new(fTrackInfo) AliTRDtrackInfo();
315 fTrackInfo->SetPDG(fPdg);
316 fTrackInfo->SetPrimary(mcParticle->Particle()->IsPrimary());
317 Int_t jref = iref;//, kref = 0;
319 ref = mcParticle->GetTrackReference(jref);
320 if(ref->LocalX() > fgkTOF) break;
321 AliDebug(4, Form(" trackRef[%2d (%2d)] @ %7.3f OK", jref-iref, jref, ref->LocalX()));
322 fTrackInfo->AddTrackRef(ref);
325 AliDebug(3, Form("NtrackRefs[%d(%d)]", fTrackInfo->GetNTrackRefs(), nRefs));
327 new (fTrackInfo) AliTRDtrackInfo();
328 fTrackInfo->SetPDG(fPdg);
331 // copy some relevant info to TRD track info
332 fTrackInfo->SetStatus(esdTrack->GetStatus());
333 fTrackInfo->SetTrackId(esdTrack->GetID());
334 Double_t p[AliPID::kSPECIES]; esdTrack->GetTRDpid(p);
335 fTrackInfo->SetESDpid(p);
336 fTrackInfo->SetESDpidQuality(esdTrack->GetTRDntrackletsPID());
337 if(!nSlices) nSlices = esdTrack->GetNumberOfTRDslices();
338 memset(dedx, 0, 100*sizeof(Double32_t));
340 for(Int_t il=0; il<AliTRDgeometry::kNlayer; il++)
341 for(Int_t is=0; is<nSlices; is++)
342 dedx[in++]=esdTrack->GetTRDslice(il, is);
343 for(Int_t il=0; il<AliTRDgeometry::kNlayer; il++) dedx[in++]=esdTrack->GetTRDmomentum(il);
344 fTrackInfo->SetSlices(in, dedx);
345 fTrackInfo->SetLabel(label);
346 fTrackInfo->SetNumberOfClustersRefit(esdTrack->GetNcls(2));
347 // some other Informations which we may wish to store in order to find problematic cases
348 fTrackInfo->SetKinkIndex(esdTrack->GetKinkIndex(0));
349 fTrackInfo->SetTPCncls(static_cast<UShort_t>(esdTrack->GetNcls(1)));
354 esdFriendTrack = fESDfriend->GetTrack(itrk);
357 while((calObject = esdFriendTrack->GetCalibObject(icalib++))){
358 if(strcmp(calObject->IsA()->GetName(),"AliTRDtrackV1") != 0) continue; // Look for the TRDtrack
359 if(!(track = dynamic_cast<AliTRDtrackV1*>(calObject))) break;
360 AliDebug(4, Form("TRD track OK"));
361 // Set the clusters to unused
362 for(Int_t ipl = 0; ipl < AliTRDgeometry::kNlayer; ipl++){
363 if(!(tracklet = track->GetTracklet(ipl))) continue;
364 tracklet->ResetClusterIter();
365 while((cl = tracklet->NextCluster())) cl->Use(0);
367 fTrackInfo->SetTrack(track);
370 AliDebug(3, Form("Ntracklets[%d]\n", fTrackInfo->GetNTracklets()));
371 } else AliDebug(3, "No ESD friends");
372 if(op) fTrackInfo->SetOuterParam(op);
374 if(DebugLevel() >= 1){
375 AliTRDtrackInfo info(*fTrackInfo);
376 (*DebugStream()) << "trackInfo"
377 << "TrackInfo.=" << &info
382 fContainer->Add(new AliTRDtrackInfo(*fTrackInfo));
383 fTrackInfo->Delete("");
385 AliDebug(2, Form("%3d Tracks: TPCout[%d] TRDin[%d] TRDout[%d]\n", (Int_t)AliAnalysisManager::GetAnalysisManager()->GetCurrentEntry(), nTPC, nTRDin, nTRDout));
387 // AliESDv0 *v0 = NULL;
388 // for(Int_t iv0=0; iv0<fESD->GetNumberOfV0s(); iv0++){
389 // if(!(v0 = fESD->GetV0(iv0))) continue;
390 // fV0container->Add(new AliTRDv0Info(v0));
393 // Insert also MC tracks which are passing TRD where the track is not reconstructed
395 AliDebug(10, "Output of the MC track map:");
396 for(Int_t itk = 0; itk < nTracksMC; itk++) AliDebug(10, Form("trackMap[%d] = %s", itk, trackMap[itk] == kTRUE ? "TRUE" : "kFALSE"));
398 for(Int_t itk = 0; itk < nTracksMC; itk++){
399 if(trackMap[itk]) continue;
400 AliMCParticle *mcParticle = (AliMCParticle*) fMCev->GetTrack(TMath::Abs(itk));
401 Int_t fPdg = mcParticle->Particle()->GetPdgCode();
402 Int_t nRefs = mcParticle->GetNumberOfTrackReferences();
403 Int_t iref = 0; AliTrackReference *ref = NULL;
405 new(fTrackInfo) AliTRDtrackInfo();
406 fTrackInfo->SetPDG(fPdg);
409 ref = mcParticle->GetTrackReference(iref);
410 if(ref->LocalX() > fgkTPC && ref->LocalX() < fgkTOF){
411 fTrackInfo->AddTrackRef(ref);
412 nRefsTRD++;kIN=kTRUE;
414 AliDebug(4, Form(" trackRef[%2d] @ x[%7.3f] %s", iref, ref->LocalX(), kIN?"IN":"OUT"));
418 // In this stage we at least require 1 hit inside TRD. What will be done with this tracks is a task for the
420 fTrackInfo->Delete("");
423 fTrackInfo->SetPrimary(mcParticle->Particle()->IsPrimary());
424 fTrackInfo->SetLabel(itk);
425 if(DebugLevel() >= 1){
426 AliTRDtrackInfo info(*fTrackInfo);
427 (*DebugStream()) << "trackInfo"
428 << "TrackInfo.=" << &info
432 AliDebug(3, Form("Add MC track @ label[%d] nTRDrefs[%d].", itk, nRefsTRD));
433 fContainer->Add(new AliTRDtrackInfo(*fTrackInfo));
434 fTrackInfo->Delete("");
438 PostData(0, fContainer);
439 PostData(1, fEventInfo);
440 PostData(2, fV0container);