4 *Revision 1.3 2007/04/27 07:25:16 akisiel
5 *Make revisions needed for compilation from the main AliRoot tree
7 *Revision 1.1.1.1 2007/04/25 15:38:41 panos
8 *Importing the HBT code dir
10 *Revision 1.5 2007-04-03 16:00:08 mchojnacki
11 *Changes to iprove memory managing
13 *Revision 1.4 2007/03/13 15:30:03 mchojnacki
14 *adding reader for simulated data
16 *Revision 1.3 2007/03/08 14:58:03 mchojnacki
17 *adding some alice stuff
19 *Revision 1.2 2007/03/07 13:36:16 mchojnacki
22 *Revision 1.1.1.1 2007/03/07 10:14:49 mchojnacki
27 #include "AliFemtoEventReaderESD.h"
32 #include "AliESDtrack.h"
34 //#include "TSystem.h"
36 #include "Infrastructure/AliFmPhysicalHelixD.h"
37 #include "Infrastructure/AliFmThreeVectorF.h"
39 #include "Base/SystemOfUnits.h"
41 #include "Infrastructure/AliFemtoEvent.h"
43 ClassImp(AliFemtoEventReaderESD)
45 #if !(ST_NO_NAMESPACES)
46 using namespace units;
50 //____________________________
51 //constructor with 0 parameters , look at default settings
52 AliFemtoEventReaderESD::AliFemtoEventReaderESD():
64 fClusterPerPadrow = (list<Int_t> **) malloc(sizeof(list<Int_t> *) * AliESDfriendTrack::kMaxTPCcluster);
65 for (int tPad=0; tPad<AliESDfriendTrack::kMaxTPCcluster; tPad++) {
66 fClusterPerPadrow[tPad] = new list<Int_t>();
68 fSharedList = (list<Int_t> **) malloc(sizeof(list<Int_t> *) * AliESDfriendTrack::kMaxTPCcluster);
69 for (int tPad=0; tPad<AliESDfriendTrack::kMaxTPCcluster; tPad++) {
70 fSharedList[tPad] = new list<Int_t>();
76 AliFemtoEventReaderESD::~AliFemtoEventReaderESD()
78 //delete fListOfFiles;
83 for (int tPad=0; tPad<AliESDfriendTrack::kMaxTPCcluster; tPad++) {
84 fClusterPerPadrow[tPad]->clear();
85 delete fClusterPerPadrow[tPad];
87 delete [] fClusterPerPadrow;
88 for (int tPad=0; tPad<AliESDfriendTrack::kMaxTPCcluster; tPad++) {
89 fSharedList[tPad]->clear();
90 delete fSharedList[tPad];
92 delete [] fSharedList;
96 AliFemtoString AliFemtoEventReaderESD::Report()
98 AliFemtoString temp = "\n This is the AliFemtoEventReaderESD\n";
103 //setting the name of file where names of ESD file are written
104 //it takes only this files which have good trees
105 void AliFemtoEventReaderESD::SetInputFile(const char* inputFile)
108 fInputFile=string(inputFile);
109 cout<<"Input File set on "<<fInputFile<<endl;
110 ifstream infile(inputFile);
111 if(infile.good()==true)
113 //checking if all give files have good tree inside
114 while (infile.eof()==false)
116 infile.getline(buffer,256);
117 //ifstream test_file(buffer);
118 TFile *esdFile=TFile::Open(buffer,"READ");
121 TTree* tree = (TTree*) esdFile->Get("esdTree");
124 cout<<"putting file "<<string(buffer)<<" into analysis"<<endl;
125 fListOfFiles.push_back(string(buffer));
135 //setting the next file to read
136 bool AliFemtoEventReaderESD::GetNextFile()
138 if (fCurFile>=fListOfFiles.size())
140 fFileName=fListOfFiles.at(fCurFile);
141 cout<<"FileName set on "<<fFileName<<" "<<fCurFile<<endl;
146 void AliFemtoEventReaderESD::SetConstrained(const bool constrained)
148 fConstrained=constrained;
151 bool AliFemtoEventReaderESD::GetConstrained() const
156 AliFemtoEvent* AliFemtoEventReaderESD::ReturnHbtEvent()
158 AliFemtoEvent *hbtEvent = 0;
159 string tFriendFileName;
161 if (fCurEvent==fNumberofEvent)//open next file
163 cout<<"next file"<<endl;
168 delete fEvent;//added 1.04.2007
175 fEsdFile=TFile::Open(fFileName.c_str(),"READ");
176 fTree = (TTree*) fEsdFile->Get("esdTree");
177 fTree->SetBranchAddress("ESD", &fEvent);
179 // Attach the friend tree with additional information
180 tFriendFileName = fFileName;
181 tFriendFileName.insert(tFriendFileName.find("s.root"),"friend");
182 cout << "Reading friend " << tFriendFileName.c_str() << endl;;
183 fTree->AddFriend("esdFriendTree",tFriendFileName.c_str());
184 fTree->SetBranchAddress("ESDfriend",&fEventFriend);
186 // chain->SetBranchStatus("*",0);
187 // chain->SetBranchStatus("fUniqueID",1);
188 // chain->SetBranchStatus("fTracks",1);
189 // chain->SetBranchStatus("fTracks.*",1);
190 // chain->SetBranchStatus("fTracks.fTPCindex[160]",1);
191 fTree->SetBranchStatus("fTracks.fCalibContainer",0);
194 fNumberofEvent=fTree->GetEntries();
195 cout<<"Number of Entries in file "<<fNumberofEvent<<endl;
199 else //no more data to read
201 cout<<"no more files "<<hbtEvent<<endl;
206 cout<<"starting to read event "<<fCurEvent<<endl;
207 fTree->GetEvent(fCurEvent);//getting next event
208 fEvent->SetESDfriend(fEventFriend);
209 vector<int> label_table;//to check labels
211 hbtEvent = new AliFemtoEvent;
212 //setting basic things
213 // hbtEvent->SetEventNumber(fEvent->GetEventNumber());
214 hbtEvent->SetRunNumber(fEvent->GetRunNumber());
215 //hbtEvent->SetNumberOfTracks(fEvent->GetNumberOfTracks());
216 hbtEvent->SetMagneticField(fEvent->GetMagneticField()*kilogauss);//to check if here is ok
217 hbtEvent->SetZDCN1Energy(fEvent->GetZDCN1Energy());
218 hbtEvent->SetZDCP1Energy(fEvent->GetZDCP1Energy());
219 hbtEvent->SetZDCN2Energy(fEvent->GetZDCN2Energy());
220 hbtEvent->SetZDCP2Energy(fEvent->GetZDCP2Energy());
221 hbtEvent->SetZDCEMEnergy(fEvent->GetZDCEMEnergy());
222 hbtEvent->SetZDCParticipants(fEvent->GetZDCParticipants());
223 hbtEvent->SetTriggerMask(fEvent->GetTriggerMask());
224 hbtEvent->SetTriggerCluster(fEvent->GetTriggerCluster());
228 fEvent->GetVertex()->GetXYZ(fV1);
230 AliFmThreeVectorF vertex(fV1[0],fV1[1],fV1[2]);
231 hbtEvent->SetPrimVertPos(vertex);
233 //starting to reading tracks
234 int nofTracks=0; //number of reconstructed tracks in event
235 nofTracks=fEvent->GetNumberOfTracks();
236 int realnofTracks=0;//number of track which we use ina analysis
238 // Clear the shared cluster list
239 for (int tPad=0; tPad<AliESDfriendTrack::kMaxTPCcluster; tPad++) {
240 fClusterPerPadrow[tPad]->clear();
242 for (int tPad=0; tPad<AliESDfriendTrack::kMaxTPCcluster; tPad++) {
243 fSharedList[tPad]->clear();
247 for (int i=0;i<nofTracks;i++) {
248 const AliESDtrack *esdtrack=fEvent->GetTrack(i);//getting next track
250 list<Int_t>::iterator tClustIter;
252 Int_t tTrackIndices[AliESDfriendTrack::kMaxTPCcluster];
253 Int_t tNClusters = esdtrack->GetTPCclusters(tTrackIndices);
254 for (int tNcl=0; tNcl<AliESDfriendTrack::kMaxTPCcluster; tNcl++) {
255 if (tTrackIndices[tNcl] >= 0) {
256 tClustIter = find(fClusterPerPadrow[tNcl]->begin(), fClusterPerPadrow[tNcl]->end(), tTrackIndices[tNcl]);
257 if (tClustIter == fClusterPerPadrow[tNcl]->end()) {
258 fClusterPerPadrow[tNcl]->push_back(tTrackIndices[tNcl]);
261 fSharedList[tNcl]->push_back(tTrackIndices[tNcl]);
268 for (int i=0;i<nofTracks;i++)
270 bool good_momentum=true; //flaga to chcek if we can read momentum of this track
272 AliFemtoTrack* trackCopy = new AliFemtoTrack();
273 const AliESDtrack *esdtrack=fEvent->GetTrack(i);//getting next track
274 const AliESDfriendTrack *tESDfriendTrack = esdtrack->GetFriendTrack();
276 trackCopy->SetCharge((short)esdtrack->GetSign());
278 //in aliroot we have AliPID
279 //0-electron 1-muon 2-pion 3-kaon 4-proton 5-photon 6-pi0 7-neutron 8-kaon0 9-eleCon
280 //we use only 5 first
282 esdtrack->GetESDpid(esdpid);
283 trackCopy->SetPidProbElectron(esdpid[0]);
284 trackCopy->SetPidProbMuon(esdpid[1]);
285 trackCopy->SetPidProbPion(esdpid[2]);
286 trackCopy->SetPidProbKaon(esdpid[3]);
287 trackCopy->SetPidProbProton(esdpid[4]);
290 if (fConstrained==true)
291 good_momentum=esdtrack->GetConstrainedPxPyPz(pxyz); //reading constrained momentum
293 good_momentum=esdtrack->GetPxPyPz(pxyz);//reading noconstarined momentum
294 AliFemtoThreeVector v(pxyz[0],pxyz[1],pxyz[2]);
295 trackCopy->SetP(v);//setting momentum
296 trackCopy->SetPt(sqrt(pxyz[0]*pxyz[0]+pxyz[1]*pxyz[1]));
297 const AliFmThreeVectorD p(pxyz[0],pxyz[1],pxyz[2]);
302 const AliFmThreeVectorD origin(fV1[0],fV1[1],fV1[2]);
303 //setting helix I do not if it is ok
304 AliFmPhysicalHelixD helix(p,origin,(double)(fEvent->GetMagneticField())*kilogauss,(double)(trackCopy->Charge()));
305 trackCopy->SetHelix(helix);
307 trackCopy->SetTrackId(esdtrack->GetID());
308 trackCopy->SetFlags(esdtrack->GetStatus());
309 //trackCopy->SetLabel(esdtrack->GetLabel());
311 //some stuff which could be useful
314 esdtrack->GetImpactParameters(impact,covimpact);
315 trackCopy->SetImpactD(impact[0]);
316 trackCopy->SetImpactZ(impact[1]);
317 trackCopy->SetCdd(covimpact[0]);
318 trackCopy->SetCdz(covimpact[1]);
319 trackCopy->SetCzz(covimpact[2]);
320 trackCopy->SetITSchi2(esdtrack->GetITSchi2());
321 trackCopy->SetITSncls(esdtrack->GetNcls(0));
322 trackCopy->SetTPCchi2(esdtrack->GetTPCchi2());
323 trackCopy->SetTPCncls(esdtrack->GetTPCNcls());
324 trackCopy->SetTPCnclsF(esdtrack->GetTPCNclsF());
325 trackCopy->SetTPCsignalN((short)esdtrack->GetTPCsignalN()); //due to bug in aliesdtrack class
326 trackCopy->SetTPCsignalS(esdtrack->GetTPCsignalSigma());
328 // Fill cluster per padrow information
329 Int_t tTrackIndices[AliESDfriendTrack::kMaxTPCcluster];
330 Int_t tNClusters = esdtrack->GetTPCclusters(tTrackIndices);
331 for (int tNcl=0; tNcl<AliESDfriendTrack::kMaxTPCcluster; tNcl++) {
332 if (tTrackIndices[tNcl] > 0)
333 trackCopy->SetTPCcluster(tNcl, 1);
335 trackCopy->SetTPCcluster(tNcl, 0);
338 // Fill shared cluster information
339 list<Int_t>::iterator tClustIter;
341 for (int tNcl=0; tNcl<AliESDfriendTrack::kMaxTPCcluster; tNcl++) {
342 if (tTrackIndices[tNcl] > 0) {
343 tClustIter = find(fSharedList[tNcl]->begin(), fSharedList[tNcl]->end(), tTrackIndices[tNcl]);
344 if (tClustIter != fSharedList[tNcl]->end()) {
345 trackCopy->SetTPCshared(tNcl, 1);
346 cout << "Event next" << endl;
347 cout << "Track: " << i << endl;
348 cout << "Shared cluster: " << tNcl << " " << tTrackIndices[tNcl] << endl;
351 trackCopy->SetTPCshared(tNcl, 0);
356 //decision if we want this track
357 //if we using diffrent labels we want that this label was use for first time
358 //if we use hidden info we want to have match between sim data and ESD
359 if (good_momentum==true)
361 hbtEvent->TrackCollection()->push_back(trackCopy);//adding track to analysis
362 realnofTracks++;//real number of tracks
371 hbtEvent->SetNumberOfTracks(realnofTracks);//setting number of track which we read in event
373 cout<<"end of reading nt "<<nofTracks<<" real number "<<realnofTracks<<endl;
374 if (fCurEvent== fNumberofEvent)//if end of current file close all