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 "AliESDtrack.h"
47 #include "AliMCParticle.h"
49 #include "AliTRDtrackV1.h"
50 #include "AliTrackReference.h"
51 #include "AliTRDgeometry.h"
52 #include "TTreeStream.h"
57 #include "AliTRDtrackInfoGen.h"
58 #include "AliTRDtrackInfo/AliTRDtrackInfo.h"
60 ClassImp(AliTRDtrackInfoGen)
63 //____________________________________________________________________
64 AliTRDtrackInfoGen::AliTRDtrackInfoGen():
65 AliTRDrecoTask("InfoGen", "Track List Generator")
72 // Default constructor
75 DefineInput(0, TChain::Class());
76 DefineOutput(0, TObjArray::Class());
77 //DefineOutput(1, TTree::Class());
80 //____________________________________________________________________
81 AliTRDtrackInfoGen::~AliTRDtrackInfoGen()
83 if(fTrackInfo) delete fTrackInfo;
86 //____________________________________________________________________
87 void AliTRDtrackInfoGen::ConnectInputData(Option_t *)
90 // Link the Input Data
92 TTree *tree = dynamic_cast<TChain*>(GetInputData(0));
94 printf("ERROR - ESD event not found");
96 tree->SetBranchStatus("Tracks", 1);
97 tree->SetBranchStatus("ESDfriend*",1);
100 AliESDInputHandler *esdH = dynamic_cast<AliESDInputHandler*>(AliAnalysisManager::GetAnalysisManager()->GetInputEventHandler());
102 printf("ERROR - ESD input handler not found");
104 fESD = esdH->GetEvent();
106 printf("ERROR - ESD event not found");
108 esdH->SetActiveBranches("ESDfriend*");
109 fESDfriend = (AliESDfriend *)fESD->FindListObject("AliESDfriend");
110 printf("fESDfriend = %p\n", (void*)fESDfriend);
114 AliMCEventHandler *mcH = dynamic_cast<AliMCEventHandler*>(AliAnalysisManager::GetAnalysisManager()->GetMCtruthEventHandler());
116 AliError("MC input handler not found");
118 fMC = mcH->MCEvent();
123 //____________________________________________________________________
124 void AliTRDtrackInfoGen::CreateOutputObjects()
127 // Create Output Containers (TObjectArray containing 1D histograms)
129 fTrackInfo = new AliTRDtrackInfo();
130 fContainer = new TObjArray(1000);
132 /* OpenFile(1, "RECREATE");
133 fTree = new TTree("trd", "extract of the TRD detector");
134 fTree->Branch("info", &fTrackInfo);
135 printf("output tree build in %s\n", fTree->GetDirectory()->GetName());*/
138 //____________________________________________________________________
139 void AliTRDtrackInfoGen::Exec(Option_t *){
144 puts("Error: ESD not found");
148 puts("Error: ESD friend not found");
151 if(HasMCdata() && !fMC){
152 puts("Error: Monte Carlo Event not available");
155 fContainer->Delete();
156 fESD->SetESDfriend(fESDfriend);
158 Bool_t *trackMap = 0x0;
159 AliStack * mStack = 0x0;
161 mStack = fMC->Stack();
163 puts("Error: Cannot get the Monte Carlo Stack");
166 trackMap = new Bool_t[fMC->GetNumberOfTracks()];
167 memset(trackMap, 0, sizeof(Bool_t) * fMC->GetNumberOfTracks());
170 Int_t nTRD = 0, nTPC = 0, nclsTrklt;
171 Int_t nTracks = fESD->GetNumberOfTracks();
173 printf("%3d Tracks: ESD[%d] MC[%d]\n", (Int_t)AliAnalysisManager::GetAnalysisManager()->GetCurrentEntry(), nTracks, HasMCdata() ? mStack->GetNtrack() : 0);
175 AliESDtrack *esdTrack = 0x0;
176 AliESDfriendTrack *esdFriendTrack = 0x0;
177 TObject *calObject = 0x0;
178 AliTRDtrackV1 *track = 0x0;
179 for(Int_t itrk = 0; itrk < nTracks; itrk++){
180 esdTrack = fESD->GetTrack(itrk);
181 if(fDebugLevel>=2) printf("\n%3d ITS[%d] TPC[%d] TRD[%d]\n", itrk, esdTrack->GetNcls(0), esdTrack->GetNcls(1), esdTrack->GetNcls(2));
182 if(esdTrack->GetNcls(1)) nTPC++;
183 if(esdTrack->GetNcls(2)) nTRD++;
185 // look at esternal track param
186 const AliExternalTrackParam *op = esdTrack->GetOuterParam();
190 op->Global2LocalPosition(xyz, op->GetAlpha());
191 if(fDebugLevel>=2) printf("op @ X[%7.3f]\n", xyz[0]);
193 /* if(xyz[0] < 270.){
194 printf("TPC track missing\n");
196 // op->GetXYZAt(ref->LocalX(), AliTracker::GetBz(), xyz);
197 // op->Global2LocalPosition(xyz, op->GetAlpha());
198 // dy = ref->LocalY()- xyz[1];
199 // dz = ref->Z() - xyz[2];
206 label = esdTrack->GetLabel();
207 if(label < fMC->GetNumberOfTracks()) trackMap[TMath::Abs(label)] = kTRUE; // register the track
208 //if (TMath::Abs(label) > mStack->GetNtrack()) continue;
209 AliMCParticle *mcParticle = fMC->GetTrack(TMath::Abs(label));
210 fPdg = mcParticle->Particle()->GetPdgCode();
211 Int_t nRefs = mcParticle->GetNumberOfTrackReferences();
212 Int_t iref = 0; AliTrackReference *ref = 0x0;
214 ref = mcParticle->GetTrackReference(iref);
215 if(ref->LocalX() > 250.) break;
216 //printf("\ttrackRef[%2d] @ %7.3f\n", iref, ref->LocalX());
220 // if(!esdTrack->GetNcls(2)) continue;
221 /* printf("No TRD Track References in the Track [%d] I\n", itrk);
222 printf("Label = %d ITS[%d] TPC[%d] TRD[%d]\n", label, esdTrack->GetITSLabel(), esdTrack->GetTPCLabel(), esdTrack->GetTRDLabel());
225 ref = mcParticle->GetTrackReference(kref);
226 printf("\ttrackRef[%2d] @ %7.3f\n", kref, ref->LocalX());
231 new(fTrackInfo) AliTRDtrackInfo(fPdg);
232 fTrackInfo->SetPrimary(mcParticle->Particle()->IsPrimary());
233 Int_t jref = iref;//, kref = 0;
235 ref = mcParticle->GetTrackReference(jref);
236 if(ref->LocalX() > 370.) break;
237 if(fDebugLevel>=3) printf("\ttrackRef[%2d (%2d)] @ %7.3f OK\n", jref-iref, jref, ref->LocalX());
238 fTrackInfo->AddTrackRef(ref);
241 if(!fTrackInfo->GetNTrackRefs()){
242 //if(!esdTrack->GetNcls(2)) continue;
243 /* printf("No TRD Track References in the Track [%d] II\n", itrk);
244 printf("Label = %d ITS[%d] TPC[%d] TRD[%d]\n", label, esdTrack->GetITSLabel(), esdTrack->GetTPCLabel(), esdTrack- >GetTRDLabel());
247 ref = mcParticle->GetTrackReference(kref);
248 printf("\ttrackRef[%2d] @ %7.3f\n", kref, ref->LocalX());
252 if(fDebugLevel>=2) printf("NtrackRefs[%d(%d)]\n", fTrackInfo->GetNTrackRefs(), nRefs);
254 new (fTrackInfo) AliTRDtrackInfo(fPdg);
257 // copy some relevant info to TRD track info
258 fTrackInfo->SetStatus(esdTrack->GetStatus());
259 fTrackInfo->SetTrackId(esdTrack->GetID());
260 fTrackInfo->SetLabel(label);
261 fTrackInfo->SetNumberOfClustersRefit(esdTrack->GetNcls(2));
266 esdFriendTrack = fESDfriend->GetTrack(itrk);
269 while((calObject = esdFriendTrack->GetCalibObject(icalib++))){
270 if(strcmp(calObject->IsA()->GetName(),"AliTRDtrackV1") != 0) continue; // Look for the TRDtrack
271 track = dynamic_cast<AliTRDtrackV1*>(calObject);
273 if(!esdTrack->GetNcls(2)){
274 printf("No TRD clusters but track\n");
278 if(fDebugLevel>=3) printf("TRD track OK\n");
279 fTrackInfo->SetTRDtrack(track);
282 if(fDebugLevel>=2) printf("Ntracklets[%d]\n", fTrackInfo->GetNTracklets());
283 } else if(fDebugLevel>=2) printf("No ESD friends\n");
284 if(op) fTrackInfo->SetOuterParam(op);
286 if(fDebugLevel >= 2){
287 Int_t ncls = esdTrack->GetNcls(2);
288 nclsTrklt = fTrackInfo->GetNumberOfClusters();
289 (*fDebugStream) << "trackInfo"
291 << "Ncls=" << nclsTrklt
292 << "TrackInfo.=" << fTrackInfo
296 fContainer->Add(new AliTRDtrackInfo(*fTrackInfo));
297 fTrackInfo->Delete("");
299 if(fDebugLevel>=1) printf("%3d Tracks: TPC[%d] TRD[%d]\n", (Int_t)AliAnalysisManager::GetAnalysisManager()->GetCurrentEntry(), nTPC, nTRD);
301 // Insert also MC tracks which are passing TRD where the track is not reconstructed
303 if(fDebugLevel > 10){
304 printf("Output of the MC track map:\n");
305 for(Int_t itk = 0; itk < fMC->GetNumberOfTracks(); itk++)
306 printf("trackMap[%d] = %s\n", itk, trackMap[itk] == kTRUE ? "TRUE" : "kFALSE");
309 for(Int_t itk = 0; itk < fMC->GetNumberOfTracks(); itk++){
310 if(fDebugLevel >=2 ) printf("Number of MC tracks: %d\n", fMC->GetNumberOfTracks());
311 if(trackMap[itk]) continue;
312 AliMCParticle *mcParticle = fMC->GetTrack(TMath::Abs(itk));
313 Int_t fPdg = mcParticle->Particle()->GetPdgCode();
314 Int_t nRefs = mcParticle->GetNumberOfTrackReferences();
315 Int_t iref = 0; AliTrackReference *ref = 0x0;
317 new(fTrackInfo) AliTRDtrackInfo(fPdg);
319 ref = mcParticle->GetTrackReference(iref);
320 if(fDebugLevel > 3) printf("\ttrackRef[%2d] @ %7.3f", iref, ref->LocalX());
321 if(ref->LocalX() > 250. && ref->LocalX() < 370.){
322 if(fDebugLevel > 3) printf(" OK\n");
323 fTrackInfo->AddTrackRef(ref);
327 if(fDebugLevel > 3) printf("\n");
331 // In this stage we at least require 1 hit inside TRD. What will be done with this tracks is a task for the
333 fTrackInfo->Delete("");
336 fTrackInfo->SetPrimary(mcParticle->Particle()->IsPrimary());
337 fTrackInfo->SetLabel(itk);
338 if(fDebugLevel >= 1){
339 Int_t ncls = esdTrack->GetNcls(2);
340 (*fDebugStream) << "trackInfo"
341 << "ntrackRefs=" << ncls
342 << "TrackInfo.=" << fTrackInfo
345 if(fDebugLevel > 2)printf("Registering rejected MC track with label %d\n", itk);
346 fContainer->Add(new AliTRDtrackInfo(*fTrackInfo));
347 fTrackInfo->Delete("");
351 PostData(0, fContainer);
355 //____________________________________________________________________
356 void AliTRDtrackInfoGen::Terminate(Option_t *)
359 // Stays empty because we are only interested in the tree
362 if(fDebugLevel>=1) printf("Terminate:\n");
363 //TFile *f =((TFile*)gROOT->FindObject("TRD.TrackInfo.root"));
364 //f->cd(); f->Write(); f->Close();