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 //____________________________________________________________________
81 AliTRDinfoGen::AliTRDinfoGen():
82 AliTRDrecoTask("infoGen", "MC-REC TRD-track list generator")
92 // Default constructor
95 DefineInput(0, TChain::Class());
96 DefineOutput(0, TObjArray::Class());
97 DefineOutput(1, AliTRDeventInfo::Class());
98 DefineOutput(2, TObjArray::Class());
101 //____________________________________________________________________
102 AliTRDinfoGen::~AliTRDinfoGen()
106 printf("AliTRDinfoGen::~AliTRDinfoGen() START\n");
107 if(fTrackInfo) delete fTrackInfo; fTrackInfo = NULL;
108 printf("fTrackInfo\n");
109 if(fEventInfo) delete fEventInfo; fEventInfo = NULL;
110 printf("fEventInfo\n");
111 if(fV0Info) delete fV0Info; fV0Info = NULL;
114 fContainer->Delete(); delete fContainer;
117 printf("fContainer\n");
119 fV0container->Delete(); delete fV0container;
122 printf("fV0container\n");
123 printf("AliTRDinfoGen::~AliTRDinfoGen() STOP\n");
126 //____________________________________________________________________
127 void AliTRDinfoGen::ConnectInputData(Option_t *)
130 // Link the Input Data
132 TTree *tree = dynamic_cast<TChain*>(GetInputData(0));
134 AliError("ESD event not found");
136 tree->SetBranchStatus("Tracks", 1);
137 tree->SetBranchStatus("ESDfriend*",1);
140 AliESDInputHandler *esdH = dynamic_cast<AliESDInputHandler*>(AliAnalysisManager::GetAnalysisManager()->GetInputEventHandler());
142 printf("ERROR - ESD input handler not found");
144 fESDev = esdH->GetEvent();
146 printf("ERROR - ESD event not found");
148 esdH->SetActiveBranches("ESDfriend*");
149 fESDfriend = (AliESDfriend *)fESDev->FindListObject("AliESDfriend");
153 AliMCEventHandler *mcH = dynamic_cast<AliMCEventHandler*>(AliAnalysisManager::GetAnalysisManager()->GetMCtruthEventHandler());
155 AliError("MC input handler not found");
157 fMCev = mcH->MCEvent();
162 //____________________________________________________________________
163 void AliTRDinfoGen::CreateOutputObjects()
166 // Create Output Containers (TObjectArray containing 1D histograms)
168 fTrackInfo = new AliTRDtrackInfo();
169 fEventInfo = new AliTRDeventInfo();
170 fV0Info = new AliTRDv0Info();
171 fContainer = new TObjArray(1000);
172 fContainer->SetOwner(kTRUE);
173 fV0container = new TObjArray(50);
174 fV0container->SetOwner(kTRUE);
178 //____________________________________________________________________
179 void AliTRDinfoGen::Exec(Option_t *){
184 AliError("Failed retrieving ESD event");
188 AliError("Failed retrieving ESD friend event");
191 if(HasMCdata() && !fMCev){
192 AliError("Failed retrieving MC event");
195 fContainer->Delete();
196 fV0container->Delete();
197 fEventInfo->Delete("");
198 fESDev->SetESDfriend(fESDfriend);
199 new(fEventInfo)AliTRDeventInfo(fESDev->GetHeader(), const_cast<AliESDRun *>(fESDev->GetESDRun()));
201 Bool_t *trackMap(NULL);
202 AliStack * mStack(NULL);
203 Int_t nTracksMC = HasMCdata() ? fMCev->GetNumberOfTracks() : 0, nTracksESD = fESDev->GetNumberOfTracks();
205 mStack = fMCev->Stack();
207 AliError("Failed retrieving MC Stack");
210 trackMap = new Bool_t[nTracksMC];
211 memset(trackMap, 0, sizeof(Bool_t) * nTracksMC);
214 Double32_t dedx[100]; Int_t nSlices(0);
215 Int_t nTRDout(0), nTRDin(0), nTPC(0), nclsTrklt;
216 AliDebug(2, Form("Entry[%3d] Tracks: ESD[%d] MC[%d]\n", (Int_t)AliAnalysisManager::GetAnalysisManager()->GetCurrentEntry(), nTracksESD, nTracksMC));
217 AliESDtrack *esdTrack = NULL;
218 AliESDfriendTrack *esdFriendTrack = NULL;
219 TObject *calObject = NULL;
220 AliTRDtrackV1 *track = NULL;
221 AliTRDseedV1 *tracklet = NULL;
222 AliTRDcluster *cl = NULL;
223 for(Int_t itrk = 0; itrk < nTracksESD; itrk++){
224 esdTrack = fESDev->GetTrack(itrk);
225 AliDebug(3, Form("\n%3d ITS[%d] TPC[%d] TRD[%d]\n", itrk, esdTrack->GetNcls(0), esdTrack->GetNcls(1), esdTrack->GetNcls(2)));
226 if(esdTrack->GetStatus()&AliESDtrack::kTPCout) nTPC++;
227 if(esdTrack->GetStatus()&AliESDtrack::kTRDout) nTRDout++;
228 if(esdTrack->GetStatus()&AliESDtrack::kTRDin) nTRDin++;
230 // look at external track param
231 const AliExternalTrackParam *op = esdTrack->GetOuterParam();
235 op->Global2LocalPosition(xyz, op->GetAlpha());
236 AliDebug(3, Form("op @ X[%7.3f]\n", xyz[0]));
241 Int_t label = -1; UInt_t alab=UINT_MAX;
243 label = esdTrack->GetLabel();
244 alab = TMath::Abs(label);
245 // register the track
246 if(alab < UInt_t(nTracksMC)){
247 trackMap[alab] = kTRUE;
249 AliError(Form("MC label[%d] outside scope for Ev[%d] Trk[%d].", label, (Int_t)AliAnalysisManager::GetAnalysisManager()->GetCurrentEntry(), itrk));
252 AliMCParticle *mcParticle = NULL;
253 if(!(mcParticle = (AliMCParticle*) fMCev->GetTrack(alab))){
254 AliError(Form("MC particle label[%d] missing for Ev[%d] Trk[%d].", label, (Int_t)AliAnalysisManager::GetAnalysisManager()->GetCurrentEntry(), itrk));
257 fPdg = mcParticle->Particle()->GetPdgCode();
258 Int_t nRefs = mcParticle->GetNumberOfTrackReferences();
259 Int_t iref = 0; AliTrackReference *ref = NULL;
261 ref = mcParticle->GetTrackReference(iref);
262 if(ref->LocalX() > fgkTPC) break;
266 new(fTrackInfo) AliTRDtrackInfo();
267 fTrackInfo->SetPDG(fPdg);
268 fTrackInfo->SetPrimary(mcParticle->Particle()->IsPrimary());
269 Int_t jref = iref;//, kref = 0;
271 ref = mcParticle->GetTrackReference(jref);
272 if(ref->LocalX() > fgkTOF) break;
273 AliDebug(4, Form(" trackRef[%2d (%2d)] @ %7.3f OK", jref-iref, jref, ref->LocalX()));
274 fTrackInfo->AddTrackRef(ref);
277 AliDebug(3, Form("NtrackRefs[%d(%d)]", fTrackInfo->GetNTrackRefs(), nRefs));
279 new (fTrackInfo) AliTRDtrackInfo();
280 fTrackInfo->SetPDG(fPdg);
283 // copy some relevant info to TRD track info
284 fTrackInfo->SetStatus(esdTrack->GetStatus());
285 fTrackInfo->SetTrackId(esdTrack->GetID());
286 Double_t p[AliPID::kSPECIES]; esdTrack->GetTRDpid(p);
287 fTrackInfo->SetESDpid(p);
288 fTrackInfo->SetESDpidQuality(esdTrack->GetTRDntrackletsPID());
289 if(!nSlices) nSlices = esdTrack->GetNumberOfTRDslices();
290 memset(dedx, 0, 100*sizeof(Double32_t));
292 for(Int_t il=0; il<AliTRDgeometry::kNlayer; il++)
293 for(Int_t is=0; is<nSlices; is++)
294 dedx[in++]=esdTrack->GetTRDslice(il, is);
295 for(Int_t il=0; il<AliTRDgeometry::kNlayer; il++) dedx[in++]=esdTrack->GetTRDmomentum(il);
296 fTrackInfo->SetSlices(in, dedx);
297 fTrackInfo->SetLabel(label);
298 fTrackInfo->SetNumberOfClustersRefit(esdTrack->GetNcls(2));
299 // some other Informations which we may wish to store in order to find problematic cases
300 fTrackInfo->SetKinkIndex(esdTrack->GetKinkIndex(0));
301 fTrackInfo->SetTPCncls(static_cast<UShort_t>(esdTrack->GetNcls(1)));
306 esdFriendTrack = fESDfriend->GetTrack(itrk);
309 while((calObject = esdFriendTrack->GetCalibObject(icalib++))){
310 if(strcmp(calObject->IsA()->GetName(),"AliTRDtrackV1") != 0) continue; // Look for the TRDtrack
311 if(!(track = dynamic_cast<AliTRDtrackV1*>(calObject))) break;
312 AliDebug(4, Form("TRD track OK"));
313 // Set the clusters to unused
314 for(Int_t ipl = 0; ipl < AliTRDgeometry::kNlayer; ipl++){
315 if(!(tracklet = track->GetTracklet(ipl))) continue;
316 tracklet->ResetClusterIter();
317 while((cl = tracklet->NextCluster())) cl->Use(0);
319 fTrackInfo->SetTrack(track);
322 AliDebug(3, Form("Ntracklets[%d]\n", fTrackInfo->GetNTracklets()));
323 } else AliDebug(3, "No ESD friends");
324 if(op) fTrackInfo->SetOuterParam(op);
326 if(DebugLevel() >= 1){
327 AliTRDtrackInfo info(*fTrackInfo);
328 (*DebugStream()) << "trackInfo"
329 << "TrackInfo.=" << &info
334 fContainer->Add(new AliTRDtrackInfo(*fTrackInfo));
335 fTrackInfo->Delete("");
337 AliDebug(2, Form("%3d Tracks: TPCout[%d] TRDin[%d] TRDout[%d]\n", (Int_t)AliAnalysisManager::GetAnalysisManager()->GetCurrentEntry(), nTPC, nTRDin, nTRDout));
339 // AliESDv0 *v0 = NULL;
340 // for(Int_t iv0=0; iv0<fESD->GetNumberOfV0s(); iv0++){
341 // if(!(v0 = fESD->GetV0(iv0))) continue;
342 // fV0container->Add(new AliTRDv0Info(v0));
345 // Insert also MC tracks which are passing TRD where the track is not reconstructed
347 AliDebug(10, "Output of the MC track map:");
348 for(Int_t itk = 0; itk < nTracksMC; itk++) AliDebug(10, Form("trackMap[%d] = %s", itk, trackMap[itk] == kTRUE ? "TRUE" : "kFALSE"));
350 for(Int_t itk = 0; itk < nTracksMC; itk++){
351 if(trackMap[itk]) continue;
352 AliMCParticle *mcParticle = (AliMCParticle*) fMCev->GetTrack(TMath::Abs(itk));
353 Int_t fPdg = mcParticle->Particle()->GetPdgCode();
354 Int_t nRefs = mcParticle->GetNumberOfTrackReferences();
355 Int_t iref = 0; AliTrackReference *ref = NULL;
357 new(fTrackInfo) AliTRDtrackInfo();
358 fTrackInfo->SetPDG(fPdg);
361 ref = mcParticle->GetTrackReference(iref);
362 if(ref->LocalX() > fgkTPC && ref->LocalX() < fgkTOF){
363 fTrackInfo->AddTrackRef(ref);
364 nRefsTRD++;kIN=kTRUE;
366 AliDebug(4, Form(" trackRef[%2d] @ x[%7.3f] %s", iref, ref->LocalX(), kIN?"IN":"OUT"));
370 // In this stage we at least require 1 hit inside TRD. What will be done with this tracks is a task for the
372 fTrackInfo->Delete("");
375 fTrackInfo->SetPrimary(mcParticle->Particle()->IsPrimary());
376 fTrackInfo->SetLabel(itk);
377 if(DebugLevel() >= 1){
378 AliTRDtrackInfo info(*fTrackInfo);
379 (*DebugStream()) << "trackInfo"
380 << "TrackInfo.=" << &info
384 AliDebug(3, Form("Add MC track @ label[%d] nTRDrefs[%d].", itk, nRefsTRD));
385 fContainer->Add(new AliTRDtrackInfo(*fTrackInfo));
386 fTrackInfo->Delete("");
390 PostData(0, fContainer);
391 PostData(1, fEventInfo);
392 PostData(2, fV0container);