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: AliTRDtrackInfoGen.cxx 27496 2008-07-22 08:35:45Z cblume $ */
18 ////////////////////////////////////////////////////////////////////////////
20 // Reconstruction QA //
23 // Markus Fasel <M.Fasel@gsi.de> //
25 ////////////////////////////////////////////////////////////////////////////
27 #include <TClonesArray.h>
28 #include <TObjArray.h>
35 #include <TParticle.h>
38 #include "AliAnalysisManager.h"
39 #include "AliESDEvent.h"
40 #include "AliMCEvent.h"
41 #include "AliESDInputHandler.h"
42 #include "AliMCEventHandler.h"
44 #include "AliESDfriend.h"
45 #include "AliESDfriendTrack.h"
46 #include "AliESDHeader.h"
47 #include "AliESDtrack.h"
48 #include "AliMCParticle.h"
50 #include "AliTRDtrackV1.h"
51 #include "AliTrackReference.h"
52 #include "AliTRDgeometry.h"
53 #include "TTreeStream.h"
59 #include "AliTRDtrackInfoGen.h"
60 #include "AliTRDtrackInfo/AliTRDtrackInfo.h"
61 #include "AliTRDtrackInfo/AliTRDeventInfo.h"
63 ClassImp(AliTRDtrackInfoGen)
65 const Float_t AliTRDtrackInfoGen::xTPC = 290.;
66 const Float_t AliTRDtrackInfoGen::xTOF = 365.;
68 //____________________________________________________________________
69 AliTRDtrackInfoGen::AliTRDtrackInfoGen():
70 AliTRDrecoTask("InfoGen", "Track List Generator")
78 // Default constructor
81 DefineInput(0, TChain::Class());
82 DefineOutput(0, TObjArray::Class());
83 DefineOutput(1, AliTRDeventInfo::Class());
84 //DefineOutput(1, TTree::Class());
87 //____________________________________________________________________
88 AliTRDtrackInfoGen::~AliTRDtrackInfoGen()
90 if(fTrackInfo) delete fTrackInfo;
91 //if(fEventInfo) delete fEventInfo;
92 //fTrackInfo = 0x0; fEventInfo = 0x0;
95 //____________________________________________________________________
96 void AliTRDtrackInfoGen::ConnectInputData(Option_t *)
99 // Link the Input Data
101 TTree *tree = dynamic_cast<TChain*>(GetInputData(0));
103 printf("ERROR - ESD event not found");
105 tree->SetBranchStatus("Tracks", 1);
106 tree->SetBranchStatus("ESDfriend*",1);
109 AliESDInputHandler *esdH = dynamic_cast<AliESDInputHandler*>(AliAnalysisManager::GetAnalysisManager()->GetInputEventHandler());
111 printf("ERROR - ESD input handler not found");
113 fESD = esdH->GetEvent();
115 printf("ERROR - ESD event not found");
117 esdH->SetActiveBranches("ESDfriend*");
118 fESDfriend = (AliESDfriend *)fESD->FindListObject("AliESDfriend");
122 AliMCEventHandler *mcH = dynamic_cast<AliMCEventHandler*>(AliAnalysisManager::GetAnalysisManager()->GetMCtruthEventHandler());
124 AliError("MC input handler not found");
126 fMC = mcH->MCEvent();
131 //____________________________________________________________________
132 void AliTRDtrackInfoGen::CreateOutputObjects()
135 // Create Output Containers (TObjectArray containing 1D histograms)
137 fTrackInfo = new AliTRDtrackInfo();
138 fEventInfo = new AliTRDeventInfo();
139 fContainer = new TObjArray(1000);
141 /* OpenFile(1, "RECREATE");
142 fTree = new TTree("trd", "extract of the TRD detector");
143 fTree->Branch("info", &fTrackInfo);
144 printf("output tree build in %s\n", fTree->GetDirectory()->GetName());*/
147 //____________________________________________________________________
148 void AliTRDtrackInfoGen::Exec(Option_t *){
153 puts("Error: ESD not found");
157 puts("Error: ESD friend not found");
160 if(HasMCdata() && !fMC){
161 puts("Error: Monte Carlo Event not available");
164 fContainer->Delete();
165 fEventInfo->Delete("");
166 fESD->SetESDfriend(fESDfriend);
167 new(fEventInfo)AliTRDeventInfo(fESD->GetHeader(), const_cast<AliESDRun *>(fESD->GetESDRun()));
169 Bool_t *trackMap = 0x0;
170 AliStack * mStack = 0x0;
172 mStack = fMC->Stack();
174 puts("Error: Cannot get the Monte Carlo Stack");
177 trackMap = new Bool_t[fMC->GetNumberOfTracks()];
178 memset(trackMap, 0, sizeof(Bool_t) * fMC->GetNumberOfTracks());
181 Int_t nTRD = 0, nTPC = 0, nclsTrklt;
182 Int_t nTracks = fESD->GetNumberOfTracks();
184 printf("%3d Tracks: ESD[%d] MC[%d]\n", (Int_t)AliAnalysisManager::GetAnalysisManager()->GetCurrentEntry(), nTracks, HasMCdata() ? mStack->GetNtrack() : 0);
186 AliESDtrack *esdTrack = 0x0;
187 AliESDfriendTrack *esdFriendTrack = 0x0;
188 TObject *calObject = 0x0;
189 AliTRDtrackV1 *track = 0x0;
190 for(Int_t itrk = 0; itrk < nTracks; itrk++){
191 esdTrack = fESD->GetTrack(itrk);
192 if(fDebugLevel>=2) printf("\n%3d ITS[%d] TPC[%d] TRD[%d]\n", itrk, esdTrack->GetNcls(0), esdTrack->GetNcls(1), esdTrack->GetNcls(2));
193 if(esdTrack->GetNcls(1)) nTPC++;
194 if(esdTrack->GetNcls(2)) nTRD++;
196 // look at external track param
197 const AliExternalTrackParam *op = esdTrack->GetOuterParam();
201 op->Global2LocalPosition(xyz, op->GetAlpha());
202 if(fDebugLevel>=2) printf("op @ X[%7.3f]\n", xyz[0]);
209 label = esdTrack->GetLabel();
210 if(label < fMC->GetNumberOfTracks()) trackMap[TMath::Abs(label)] = kTRUE; // register the track
211 //if (TMath::Abs(label) > mStack->GetNtrack()) continue;
212 AliMCParticle *mcParticle = 0x0;
213 if(!(mcParticle = fMC->GetTrack(TMath::Abs(label)))){
214 printf("E - AliTRDtrackInfoGen::Exec() : MC particle missing for ESD label %d\n", label);
217 fPdg = mcParticle->Particle()->GetPdgCode();
218 Int_t nRefs = mcParticle->GetNumberOfTrackReferences();
219 Int_t iref = 0; AliTrackReference *ref = 0x0;
221 ref = mcParticle->GetTrackReference(iref);
222 if(ref->LocalX() > xTPC) break;
223 //printf("\ttrackRef[%2d] @ %7.3f\n", iref, ref->LocalX());
227 new(fTrackInfo) AliTRDtrackInfo();
228 fTrackInfo->SetPDG(fPdg);
229 fTrackInfo->SetPrimary(mcParticle->Particle()->IsPrimary());
230 Int_t jref = iref;//, kref = 0;
232 ref = mcParticle->GetTrackReference(jref);
233 if(ref->LocalX() > xTOF) break;
234 if(fDebugLevel>=3) printf("\ttrackRef[%2d (%2d)] @ %7.3f OK\n", jref-iref, jref, ref->LocalX());
235 fTrackInfo->AddTrackRef(ref);
238 if(!fTrackInfo->GetNTrackRefs()){
239 //if(!esdTrack->GetNcls(2)) continue;
240 /* printf("No TRD Track References in the Track [%d] II\n", itrk);
241 printf("Label = %d ITS[%d] TPC[%d] TRD[%d]\n", label, esdTrack->GetITSLabel(), esdTrack->GetTPCLabel(), esdTrack- >GetTRDLabel());
244 ref = mcParticle->GetTrackReference(kref);
245 printf("\ttrackRef[%2d] @ %7.3f\n", kref, ref->LocalX());
249 if(fDebugLevel>=2) printf("NtrackRefs[%d(%d)]\n", fTrackInfo->GetNTrackRefs(), nRefs);
251 new (fTrackInfo) AliTRDtrackInfo();
252 fTrackInfo->SetPDG(fPdg);
255 // copy some relevant info to TRD track info
256 fTrackInfo->SetStatus(esdTrack->GetStatus());
257 fTrackInfo->SetTrackId(esdTrack->GetID());
258 fTrackInfo->SetLabel(label);
259 fTrackInfo->SetNumberOfClustersRefit(esdTrack->GetNcls(2));
264 esdFriendTrack = fESDfriend->GetTrack(itrk);
267 while((calObject = esdFriendTrack->GetCalibObject(icalib++))){
268 if(strcmp(calObject->IsA()->GetName(),"AliTRDtrackV1") != 0) continue; // Look for the TRDtrack
269 track = dynamic_cast<AliTRDtrackV1*>(calObject);
271 if(!esdTrack->GetNcls(2)){
272 printf("No TRD clusters but track\n");
276 if(fDebugLevel>=3) printf("TRD track OK\n");
277 fTrackInfo->SetTRDtrack(track);
280 if(fDebugLevel>=2) printf("Ntracklets[%d]\n", fTrackInfo->GetNTracklets());
281 } else if(fDebugLevel>=2) printf("No ESD friends\n");
282 if(op) fTrackInfo->SetOuterParam(op);
284 if(fDebugLevel >= 2){
285 Int_t ncls = esdTrack->GetNcls(2);
286 nclsTrklt = fTrackInfo->GetNumberOfClusters();
287 (*fDebugStream) << "trackInfo"
289 << "Ncls=" << nclsTrklt
290 << "TrackInfo.=" << fTrackInfo
294 fContainer->Add(new AliTRDtrackInfo(*fTrackInfo));
295 fTrackInfo->Delete("");
297 if(fDebugLevel>=1) printf("%3d Tracks: TPC[%d] TRD[%d]\n", (Int_t)AliAnalysisManager::GetAnalysisManager()->GetCurrentEntry(), nTPC, nTRD);
299 // Insert also MC tracks which are passing TRD where the track is not reconstructed
301 if(fDebugLevel > 10){
302 printf("Output of the MC track map:\n");
303 for(Int_t itk = 0; itk < fMC->GetNumberOfTracks(); itk++)
304 printf("trackMap[%d] = %s\n", itk, trackMap[itk] == kTRUE ? "TRUE" : "kFALSE");
307 for(Int_t itk = 0; itk < fMC->GetNumberOfTracks(); itk++){
308 if(fDebugLevel >=2 ) printf("Number of MC tracks: %d\n", fMC->GetNumberOfTracks());
309 if(trackMap[itk]) continue;
310 AliMCParticle *mcParticle = fMC->GetTrack(TMath::Abs(itk));
311 Int_t fPdg = mcParticle->Particle()->GetPdgCode();
312 Int_t nRefs = mcParticle->GetNumberOfTrackReferences();
313 Int_t iref = 0; AliTrackReference *ref = 0x0;
315 new(fTrackInfo) AliTRDtrackInfo();
316 fTrackInfo->SetPDG(fPdg);
318 ref = mcParticle->GetTrackReference(iref);
319 if(fDebugLevel > 3) printf("\ttrackRef[%2d] @ %7.3f", iref, ref->LocalX());
320 if(ref->LocalX() > 250. && ref->LocalX() < 370.){
321 if(fDebugLevel > 3) printf(" OK\n");
322 fTrackInfo->AddTrackRef(ref);
326 if(fDebugLevel > 3) printf("\n");
330 // In this stage we at least require 1 hit inside TRD. What will be done with this tracks is a task for the
332 fTrackInfo->Delete("");
335 fTrackInfo->SetPrimary(mcParticle->Particle()->IsPrimary());
336 fTrackInfo->SetLabel(itk);
337 if(fDebugLevel >= 1){
338 Int_t ncls = esdTrack->GetNcls(2);
339 (*fDebugStream) << "trackInfo"
340 << "ntrackRefs=" << ncls
341 << "TrackInfo.=" << fTrackInfo
344 if(fDebugLevel > 2)printf("Registering rejected MC track with label %d\n", itk);
345 fContainer->Add(new AliTRDtrackInfo(*fTrackInfo));
346 fTrackInfo->Delete("");
350 PostData(0, fContainer);
351 PostData(1, fEventInfo);
355 //____________________________________________________________________
356 void AliTRDtrackInfoGen::Terminate(Option_t *)
359 // Stays empty because we are only interested in the tree
361 if(fDebugLevel>=1) printf("Terminate:\n");
362 //TFile *f =((TFile*)gROOT->FindObject("TRD.TrackInfo.root"));
363 //f->cd(); f->Write(); f->Close();