4 *Revision 1.5 2007-04-03 16:00:08 mchojnacki
5 *Changes to iprove memory managing
7 *Revision 1.4 2007/03/13 15:30:03 mchojnacki
8 *adding reader for simulated data
10 *Revision 1.3 2007/03/08 14:58:03 mchojnacki
11 *adding some alice stuff
13 *Revision 1.2 2007/03/07 13:36:16 mchojnacki
16 *Revision 1.1.1.1 2007/03/07 10:14:49 mchojnacki
21 #include "AliFemtoEventReaderESD.h"
26 #include "AliESDtrack.h"
28 //#include "TSystem.h"
30 #include "AliFmPhysicalHelixD.h"
31 #include "AliFmThreeVectorF.h"
33 #include "SystemOfUnits.h"
35 #include "AliFemtoEvent.h"
37 ClassImp(AliFemtoEventReaderESD)
39 #if !(ST_NO_NAMESPACES)
40 using namespace units;
44 //____________________________
45 //constructor with 0 parameters , look at default settings
46 AliFemtoEventReaderESD::AliFemtoEventReaderESD():
58 fClusterPerPadrow = (list<Int_t> **) malloc(sizeof(list<Int_t> *) * AliESDfriendTrack::kMaxTPCcluster);
59 for (int tPad=0; tPad<AliESDfriendTrack::kMaxTPCcluster; tPad++) {
60 fClusterPerPadrow[tPad] = new list<Int_t>();
62 fSharedList = (list<Int_t> **) malloc(sizeof(list<Int_t> *) * AliESDfriendTrack::kMaxTPCcluster);
63 for (int tPad=0; tPad<AliESDfriendTrack::kMaxTPCcluster; tPad++) {
64 fSharedList[tPad] = new list<Int_t>();
70 AliFemtoEventReaderESD::~AliFemtoEventReaderESD()
72 //delete fListOfFiles;
77 for (int tPad=0; tPad<AliESDfriendTrack::kMaxTPCcluster; tPad++) {
78 fClusterPerPadrow[tPad]->clear();
79 delete fClusterPerPadrow[tPad];
81 delete [] fClusterPerPadrow;
82 for (int tPad=0; tPad<AliESDfriendTrack::kMaxTPCcluster; tPad++) {
83 fSharedList[tPad]->clear();
84 delete fSharedList[tPad];
86 delete [] fSharedList;
90 AliFemtoString AliFemtoEventReaderESD::Report()
92 AliFemtoString temp = "\n This is the AliFemtoEventReaderESD\n";
97 //setting the name of file where names of ESD file are written
98 //it takes only this files which have good trees
99 void AliFemtoEventReaderESD::SetInputFile(const char* inputFile)
102 fInputFile=string(inputFile);
103 cout<<"Input File set on "<<fInputFile<<endl;
104 ifstream infile(inputFile);
105 if(infile.good()==true)
107 //checking if all give files have good tree inside
108 while (infile.eof()==false)
110 infile.getline(buffer,256);
111 //ifstream test_file(buffer);
112 TFile *esdFile=TFile::Open(buffer,"READ");
115 TTree* tree = (TTree*) esdFile->Get("esdTree");
118 cout<<"putting file "<<string(buffer)<<" into analysis"<<endl;
119 fListOfFiles.push_back(string(buffer));
129 //setting the next file to read
130 bool AliFemtoEventReaderESD::GetNextFile()
132 if (fCurFile>=fListOfFiles.size())
134 fFileName=fListOfFiles.at(fCurFile);
135 cout<<"FileName set on "<<fFileName<<" "<<fCurFile<<endl;
140 void AliFemtoEventReaderESD::SetConstrained(const bool constrained)
142 fConstrained=constrained;
145 bool AliFemtoEventReaderESD::GetConstrained() const
150 AliFemtoEvent* AliFemtoEventReaderESD::ReturnHbtEvent()
152 AliFemtoEvent *hbtEvent = 0;
153 string tFriendFileName;
155 if (fCurEvent==fNumberofEvent)//open next file
157 cout<<"next file"<<endl;
162 delete fEvent;//added 1.04.2007
169 fEsdFile=TFile::Open(fFileName.c_str(),"READ");
170 fTree = (TTree*) fEsdFile->Get("esdTree");
171 fTree->SetBranchAddress("ESD", &fEvent);
173 // Attach the friend tree with additional information
174 tFriendFileName = fFileName;
175 tFriendFileName.insert(tFriendFileName.find("s.root"),"friend");
176 cout << "Reading friend " << tFriendFileName.c_str() << endl;;
177 fTree->AddFriend("esdFriendTree",tFriendFileName.c_str());
178 fTree->SetBranchAddress("ESDfriend",&fEventFriend);
180 fNumberofEvent=fTree->GetEntries();
181 cout<<"Number of Entries in file "<<fNumberofEvent<<endl;
185 else //no more data to read
187 cout<<"no more files "<<hbtEvent<<endl;
192 cout<<"starting to read event "<<fCurEvent<<endl;
193 fTree->GetEvent(fCurEvent);//getting next event
194 fEvent->SetESDfriend(fEventFriend);
195 vector<int> label_table;//to check labels
197 hbtEvent = new AliFemtoEvent;
198 //setting basic things
199 hbtEvent->SetEventNumber(fEvent->GetEventNumber());
200 hbtEvent->SetRunNumber(fEvent->GetRunNumber());
201 //hbtEvent->SetNumberOfTracks(fEvent->GetNumberOfTracks());
202 hbtEvent->SetMagneticField(fEvent->GetMagneticField()*kilogauss);//to check if here is ok
203 hbtEvent->SetZDCN1Energy(fEvent->GetZDCN1Energy());
204 hbtEvent->SetZDCP1Energy(fEvent->GetZDCP1Energy());
205 hbtEvent->SetZDCN2Energy(fEvent->GetZDCN2Energy());
206 hbtEvent->SetZDCP2Energy(fEvent->GetZDCP2Energy());
207 hbtEvent->SetZDCEMEnergy(fEvent->GetZDCEMEnergy());
208 hbtEvent->SetZDCParticipants(fEvent->GetZDCParticipants());
209 hbtEvent->SetTriggerMask(fEvent->GetTriggerMask());
210 hbtEvent->SetTriggerCluster(fEvent->GetTriggerCluster());
214 fEvent->GetVertex()->GetXYZ(fV1);
216 AliFmThreeVectorF vertex(fV1[0],fV1[1],fV1[2]);
217 hbtEvent->SetPrimVertPos(vertex);
219 //starting to reading tracks
220 int nofTracks=0; //number of reconstructed tracks in event
221 nofTracks=fEvent->GetNumberOfTracks();
222 int realnofTracks=0;//number of track which we use ina analysis
224 // Clear the shared cluster list
225 for (int tPad=0; tPad<AliESDfriendTrack::kMaxTPCcluster; tPad++) {
226 fClusterPerPadrow[tPad]->clear();
228 for (int tPad=0; tPad<AliESDfriendTrack::kMaxTPCcluster; tPad++) {
229 fSharedList[tPad]->clear();
233 for (int i=0;i<nofTracks;i++) {
234 const AliESDtrack *esdtrack=fEvent->GetTrack(i);//getting next track
236 list<Int_t>::iterator tClustIter;
238 Int_t tTrackIndices[AliESDfriendTrack::kMaxTPCcluster];
239 Int_t tNClusters = esdtrack->GetTPCclusters(tTrackIndices);
240 for (int tNcl=0; tNcl<AliESDfriendTrack::kMaxTPCcluster; tNcl++) {
241 if (tTrackIndices[tNcl] >= 0) {
242 tClustIter = find(fClusterPerPadrow[tNcl]->begin(), fClusterPerPadrow[tNcl]->end(), tTrackIndices[tNcl]);
243 if (tClustIter == fClusterPerPadrow[tNcl]->end()) {
244 fClusterPerPadrow[tNcl]->push_back(tTrackIndices[tNcl]);
247 fSharedList[tNcl]->push_back(tTrackIndices[tNcl]);
254 for (int i=0;i<nofTracks;i++)
256 bool good_momentum=true; //flaga to chcek if we can read momentum of this track
258 AliFemtoTrack* trackCopy = new AliFemtoTrack();
259 const AliESDtrack *esdtrack=fEvent->GetTrack(i);//getting next track
260 const AliESDfriendTrack *tESDfriendTrack = esdtrack->GetFriendTrack();
262 trackCopy->SetCharge((short)esdtrack->GetSign());
264 //in aliroot we have AliPID
265 //0-electron 1-muon 2-pion 3-kaon 4-proton 5-photon 6-pi0 7-neutron 8-kaon0 9-eleCon
266 //we use only 5 first
268 esdtrack->GetESDpid(esdpid);
269 trackCopy->SetPidProbElectron(esdpid[0]);
270 trackCopy->SetPidProbMuon(esdpid[1]);
271 trackCopy->SetPidProbPion(esdpid[2]);
272 trackCopy->SetPidProbKaon(esdpid[3]);
273 trackCopy->SetPidProbProton(esdpid[4]);
276 if (fConstrained==true)
277 good_momentum=esdtrack->GetConstrainedPxPyPz(pxyz); //reading constrained momentum
279 good_momentum=esdtrack->GetPxPyPz(pxyz);//reading noconstarined momentum
280 AliFemtoThreeVector v(pxyz[0],pxyz[1],pxyz[2]);
281 trackCopy->SetP(v);//setting momentum
282 trackCopy->SetPt(sqrt(pxyz[0]*pxyz[0]+pxyz[1]*pxyz[1]));
283 const AliFmThreeVectorD p(pxyz[0],pxyz[1],pxyz[2]);
288 const AliFmThreeVectorD origin(fV1[0],fV1[1],fV1[2]);
289 //setting helix I do not if it is ok
290 AliFmPhysicalHelixD helix(p,origin,(double)(fEvent->GetMagneticField())*kilogauss,(double)(trackCopy->Charge()));
291 trackCopy->SetHelix(helix);
293 trackCopy->SetTrackId(esdtrack->GetID());
294 trackCopy->SetFlags(esdtrack->GetStatus());
295 //trackCopy->SetLabel(esdtrack->GetLabel());
297 //some stuff which could be useful
300 esdtrack->GetImpactParameters(impact,covimpact);
301 trackCopy->SetImpactD(impact[0]);
302 trackCopy->SetImpactZ(impact[1]);
303 trackCopy->SetCdd(covimpact[0]);
304 trackCopy->SetCdz(covimpact[1]);
305 trackCopy->SetCzz(covimpact[2]);
306 trackCopy->SetITSchi2(esdtrack->GetITSchi2());
307 trackCopy->SetITSncls(esdtrack->GetNcls(0));
308 trackCopy->SetTPCchi2(esdtrack->GetTPCchi2());
309 trackCopy->SetTPCncls(esdtrack->GetTPCNcls());
310 trackCopy->SetTPCnclsF(esdtrack->GetTPCNclsF());
311 trackCopy->SetTPCsignalN((short)esdtrack->GetTPCsignalN()); //due to bug in aliesdtrack class
312 trackCopy->SetTPCsignalS(esdtrack->GetTPCsignalSigma());
314 // Fill cluster per padrow information
315 Int_t tTrackIndices[AliESDfriendTrack::kMaxTPCcluster];
316 Int_t tNClusters = esdtrack->GetTPCclusters(tTrackIndices);
317 for (int tNcl=0; tNcl<AliESDfriendTrack::kMaxTPCcluster; tNcl++) {
318 if (tTrackIndices[tNcl] > 0)
319 trackCopy->SetTPCcluster(tNcl, 1);
321 trackCopy->SetTPCcluster(tNcl, 0);
324 // Fill shared cluster information
325 list<Int_t>::iterator tClustIter;
327 for (int tNcl=0; tNcl<AliESDfriendTrack::kMaxTPCcluster; tNcl++) {
328 if (tTrackIndices[tNcl] > 0) {
329 tClustIter = find(fSharedList[tNcl]->begin(), fSharedList[tNcl]->end(), tTrackIndices[tNcl]);
330 if (tClustIter != fSharedList[tNcl]->end()) {
331 trackCopy->SetTPCshared(tNcl, 1);
332 cout << "Event next" << endl;
333 cout << "Track: " << i << endl;
334 cout << "Shared cluster: " << tNcl << " " << tTrackIndices[tNcl] << endl;
337 trackCopy->SetTPCshared(tNcl, 0);
342 //decision if we want this track
343 //if we using diffrent labels we want that this label was use for first time
344 //if we use hidden info we want to have match between sim data and ESD
345 if (good_momentum==true)
347 hbtEvent->TrackCollection()->push_back(trackCopy);//adding track to analysis
348 realnofTracks++;//real number of tracks
357 hbtEvent->SetNumberOfTracks(realnofTracks);//setting number of track which we read in event
359 cout<<"end of reading nt "<<nofTracks<<" real number "<<realnofTracks<<endl;
360 if (fCurEvent== fNumberofEvent)//if end of current file close all