1 /**************************************************************************
2 * Author: Panos Christakoglou. *
3 * Contributors are mentioned in the code where appropriate. *
5 * Permission to use, copy, modify and distribute this software and its *
6 * documentation strictly for non-commercial purposes is hereby granted *
7 * without fee, provided that the above copyright notice appears in all *
8 * copies and that both the copyright notice and this permission notice *
9 * appear in the supporting documentation. The authors make no claims *
10 * about the suitability of this software for any purpose. It is *
11 * provided "as is" without express or implied warranty. *
12 **************************************************************************/
16 //-----------------------------------------------------------------
17 // AliTagCreator class
18 // This is the class to deal with the tag creation (post process)
19 // Origin: Panos Christakoglou, UOA-CERN, Panos.Christakoglou@cern.ch
20 //-----------------------------------------------------------------
28 #include <TLorentzVector.h>
32 #include <TGridResult.h>
35 #include "AliRunTag.h"
36 #include "AliEventTag.h"
38 #include "AliESDVertex.h"
42 #include "AliTagCreator.h"
45 ClassImp(AliTagCreator)
48 //______________________________________________________________________________
49 AliTagCreator::AliTagCreator() //local mode
51 //==============Default constructor for a AliTagCreator==================
57 //______________________________________________________________________________
58 AliTagCreator::~AliTagCreator()
60 //================Default destructor for a AliTagCreator=======================
63 //______________________________________________________________________________
64 void AliTagCreator::SetStorage(Int_t storage)
66 // Sets correctly the storage: 0 for local, 1 for GRID
69 AliInfo(Form("Tags will be stored locally...."));
71 AliInfo(Form("Tags will be stored in the grid...."));
72 if((fStorage != 0)&&(fStorage != 1))
74 AliInfo(Form("Storage was not properly set!!!"));
80 //______________________________________________________________________________
81 Bool_t AliTagCreator::ReadESDCollection(TGridResult *fresult)
83 // Reads the entry of the TGridResult and creates the tags
84 Int_t nEntries = fresult->GetEntries();
93 for(Int_t i = 0; i < nEntries; i++)
95 alienUrl = fresult->GetKey(i,"turl");
96 guid = fresult->GetKey(i,"guid");
97 if(fresult->GetKey(i,"size"))
98 size = atol (fresult->GetKey(i,"size"));
99 md5 = fresult->GetKey(i,"md5");
100 turl = fresult->GetKey(i,"turl");
101 if(md5 && !strlen(guid))
103 if(guid && !strlen(guid))
106 TFile *f = TFile::Open(alienUrl,"READ");
107 CreateTag(f,guid,md5,turl,size,counter);
116 //__________________________________________________________________________
117 Bool_t AliTagCreator::MergeTags()
119 //Merges the tags and stores the merged tag file
120 //locally if fStorage=0 or in the grid if fStorage=1
121 AliInfo(Form("Merging tags....."));
122 TChain *fgChain = new TChain("T");
125 const char * tagPattern = "tag";
126 // Open the working directory
127 void * dirp = gSystem->OpenDirectory(gSystem->pwd());
128 const char * name = 0x0;
129 // Add all files matching *pattern* to the chain
130 while((name = gSystem->GetDirEntry(dirp))) {
131 if (strstr(name,tagPattern))
134 AliInfo(Form("Chained tag files: %d",fgChain->GetEntries()));
137 else if(fStorage == 1) {
138 TString alienLocation = gGrid->Pwd();
139 alienLocation += fgridpath.Data();
140 alienLocation += "/";
142 TGridResult *tagresult = gGrid->Query(alienLocation,"*tag.root","","");
143 Int_t nEntries = tagresult->GetEntries();
144 for(Int_t i = 0; i < nEntries; i++) {
145 TString alienUrl = tagresult->GetKey(i,"turl");
146 fgChain->Add(alienUrl);
148 AliInfo(Form("Chained tag files: %d",fgChain->GetEntries()));
151 AliRunTag *tag = new AliRunTag;
152 AliEventTag *evTag = new AliEventTag;
153 fgChain->SetBranchAddress("AliTAG",&tag);
155 //Defining new tag objects
156 AliRunTag *newTag = new AliRunTag();
157 TTree ttag("T","A Tree with event tags");
158 TBranch * btag = ttag.Branch("AliTAG", &newTag);
159 btag->SetCompressionLevel(9);
160 for(Int_t iTagFiles = 0; iTagFiles < fgChain->GetEntries(); iTagFiles++) {
161 fgChain->GetEntry(iTagFiles);
162 newTag->SetRunId(tag->GetRunId());
163 const TClonesArray *tagList = tag->GetEventTags();
164 for(Int_t j = 0; j < tagList->GetEntries(); j++) {
165 evTag = (AliEventTag *) tagList->At(j);
166 newTag->AddEventTag(*evTag);
172 TString localFileName = "Run"; localFileName += tag->GetRunId();
173 localFileName += ".Merged"; localFileName += ".ESD.tag.root";
175 TString alienFileName = "/alien";
176 alienFileName += gGrid->Pwd();
177 alienFileName += fgridpath.Data();
178 alienFileName += "/";
179 alienFileName += localFileName;
180 alienFileName += "?se=";
181 alienFileName += fSE.Data();
183 TString filename = 0x0;
186 filename = localFileName.Data();
187 AliInfo(Form("Writing merged tags to local file: %s",filename.Data()));
190 filename = alienFileName.Data();
191 AliInfo(Form("Writing merged tags to grid file: %s",filename.Data()));
194 TFile* ftag = TFile::Open(filename, "recreate");
206 //_____________________________________________________________________________
207 void AliTagCreator::CreateTag(TFile* file, const char *guid, const char *md5, const char *turl, Long64_t size, Int_t Counter)
212 Double_t fMUONMASS = 0.105658369;
215 Double_t fThetaX, fThetaY, fPyz, fChisquare;
216 Double_t fPxRec, fPyRec, fPzRec, fEnergy;
218 TLorentzVector fEPvector;
220 Float_t fZVertexCut = 10.0;
221 Float_t fRhoVertexCut = 2.0;
223 Float_t fLowPtCut = 1.0;
224 Float_t fHighPtCut = 3.0;
225 Float_t fVeryHighPtCut = 10.0;
228 Double_t partFrac[5] = {0.01, 0.01, 0.85, 0.10, 0.05};
230 // Creates the tags for all the events in a given ESD file
232 Int_t nProtons, nKaons, nPions, nMuons, nElectrons;
233 Int_t nPos, nNeg, nNeutr;
234 Int_t nK0s, nNeutrons, nPi0s, nGamas;
235 Int_t nCh1GeV, nCh3GeV, nCh10GeV;
236 Int_t nMu1GeV, nMu3GeV, nMu10GeV;
237 Int_t nEl1GeV, nEl3GeV, nEl10GeV;
238 Float_t maxPt = .0, meanPt = .0, totalP = .0;
242 AliRunTag *tag = new AliRunTag();
243 AliEventTag *evTag = new AliEventTag();
244 TTree ttag("T","A Tree with event tags");
245 TBranch * btag = ttag.Branch("AliTAG", &tag);
246 btag->SetCompressionLevel(9);
248 AliInfo(Form("Creating the tags......."));
250 Int_t firstEvent = 0,lastEvent = 0;
251 TTree *t = (TTree*) file->Get("esdTree");
252 TBranch * b = t->GetBranch("ESD");
256 tag->SetRunId(esd->GetRunNumber());
258 Int_t iNumberOfEvents = b->GetEntries();
259 for (Int_t iEventNumber = 0; iEventNumber < iNumberOfEvents; iEventNumber++) {
287 b->GetEntry(iEventNumber);
288 const AliESDVertex * vertexIn = esd->GetVertex();
289 fVertexName = vertexIn->GetName();
290 if(fVertexName == "default") fVertexflag = 0;
292 for (Int_t iTrackNumber = 0; iTrackNumber < esd->GetNumberOfTracks(); iTrackNumber++) {
293 AliESDtrack * esdTrack = esd->GetTrack(iTrackNumber);
294 UInt_t status = esdTrack->GetStatus();
296 //select only tracks with ITS refit
297 if ((status&AliESDtrack::kITSrefit)==0) continue;
298 //select only tracks with TPC refit
299 if ((status&AliESDtrack::kTPCrefit)==0) continue;
301 //select only tracks with the "combined PID"
302 if ((status&AliESDtrack::kESDpid)==0) continue;
304 esdTrack->GetPxPyPz(p);
305 Double_t momentum = sqrt(pow(p[0],2) + pow(p[1],2) + pow(p[2],2));
306 Double_t fPt = sqrt(pow(p[0],2) + pow(p[1],2));
309 if(fPt > maxPt) maxPt = fPt;
311 if(esdTrack->GetSign() > 0) {
313 if(fPt > fLowPtCut) nCh1GeV++;
314 if(fPt > fHighPtCut) nCh3GeV++;
315 if(fPt > fVeryHighPtCut) nCh10GeV++;
317 if(esdTrack->GetSign() < 0) {
319 if(fPt > fLowPtCut) nCh1GeV++;
320 if(fPt > fHighPtCut) nCh3GeV++;
321 if(fPt > fVeryHighPtCut) nCh10GeV++;
323 if(esdTrack->GetSign() == 0) nNeutr++;
327 esdTrack->GetESDpid(prob);
330 for(Int_t i = 0; i < AliPID::kSPECIES; i++) rcc += prob[i]*partFrac[i];
331 if(rcc == 0.0) continue;
334 for(Int_t i = 0; i < AliPID::kSPECIES; i++) w[i] = prob[i]*partFrac[i]/rcc;
337 if ((w[4]>w[3])&&(w[4]>w[2])&&(w[4]>w[1])&&(w[4]>w[0])) nProtons++;
339 if ((w[3]>w[4])&&(w[3]>w[2])&&(w[3]>w[1])&&(w[3]>w[0])) nKaons++;
341 if ((w[2]>w[4])&&(w[2]>w[3])&&(w[2]>w[1])&&(w[2]>w[0])) nPions++;
343 if ((w[0]>w[4])&&(w[0]>w[3])&&(w[0]>w[2])&&(w[0]>w[1])) {
345 if(fPt > fLowPtCut) nEl1GeV++;
346 if(fPt > fHighPtCut) nEl3GeV++;
347 if(fPt > fVeryHighPtCut) nEl10GeV++;
355 Int_t nMuonTracks = esd->GetNumberOfMuonTracks();
356 // loop over all reconstructed tracks (also first track of combination)
357 for (Int_t iTrack = 0; iTrack < nMuonTracks; iTrack++) {
358 AliESDMuonTrack* muonTrack = esd->GetMuonTrack(iTrack);
359 if (muonTrack == 0x0) continue;
361 // Coordinates at vertex
362 fZ = muonTrack->GetZ();
363 fY = muonTrack->GetBendingCoor();
364 fX = muonTrack->GetNonBendingCoor();
366 fThetaX = muonTrack->GetThetaX();
367 fThetaY = muonTrack->GetThetaY();
369 fPyz = 1./TMath::Abs(muonTrack->GetInverseBendingMomentum());
370 fPzRec = - fPyz / TMath::Sqrt(1.0 + TMath::Tan(fThetaY)*TMath::Tan(fThetaY));
371 fPxRec = fPzRec * TMath::Tan(fThetaX);
372 fPyRec = fPzRec * TMath::Tan(fThetaY);
373 fCharge = Int_t(TMath::Sign(1.,muonTrack->GetInverseBendingMomentum()));
375 //ChiSquare of the track if needed
376 fChisquare = muonTrack->GetChi2()/(2.0 * muonTrack->GetNHit() - 5);
377 fEnergy = TMath::Sqrt(fMUONMASS * fMUONMASS + fPxRec * fPxRec + fPyRec * fPyRec + fPzRec * fPzRec);
378 fEPvector.SetPxPyPzE(fPxRec, fPyRec, fPzRec, fEnergy);
380 // total number of muons inside a vertex cut
381 if((TMath::Abs(fZ)<fZVertexCut) && (TMath::Sqrt(fY*fY+fX*fX)<fRhoVertexCut)) {
383 if(fEPvector.Pt() > fLowPtCut) {
385 if(fEPvector.Pt() > fHighPtCut) {
387 if (fEPvector.Pt() > fVeryHighPtCut) {
395 // Fill the event tags
397 meanPt = meanPt/ntrack;
399 evTag->SetEventId(iEventNumber+1);
400 evTag->SetGUID(guid);
402 evTag->SetTURL(turl);
403 evTag->SetSize(size);
404 evTag->SetVertexX(vertexIn->GetXv());
405 evTag->SetVertexY(vertexIn->GetYv());
406 evTag->SetVertexZ(vertexIn->GetZv());
407 evTag->SetVertexZError(vertexIn->GetZRes());
408 evTag->SetVertexFlag(fVertexflag);
410 evTag->SetT0VertexZ(esd->GetT0zVertex());
412 evTag->SetTrigger(esd->GetTrigger());
414 evTag->SetZDCNeutron1Energy(esd->GetZDCN1Energy());
415 evTag->SetZDCProton1Energy(esd->GetZDCP1Energy());
416 evTag->SetZDCEMEnergy(esd->GetZDCEMEnergy());
417 evTag->SetZDCNeutron1Energy(esd->GetZDCN2Energy());
418 evTag->SetZDCProton1Energy(esd->GetZDCP2Energy());
419 evTag->SetNumOfParticipants(esd->GetZDCParticipants());
422 evTag->SetNumOfTracks(esd->GetNumberOfTracks());
423 evTag->SetNumOfPosTracks(nPos);
424 evTag->SetNumOfNegTracks(nNeg);
425 evTag->SetNumOfNeutrTracks(nNeutr);
427 evTag->SetNumOfV0s(esd->GetNumberOfV0s());
428 evTag->SetNumOfCascades(esd->GetNumberOfCascades());
429 evTag->SetNumOfKinks(esd->GetNumberOfKinks());
430 evTag->SetNumOfPMDTracks(esd->GetNumberOfPmdTracks());
432 evTag->SetNumOfProtons(nProtons);
433 evTag->SetNumOfKaons(nKaons);
434 evTag->SetNumOfPions(nPions);
435 evTag->SetNumOfMuons(nMuons);
436 evTag->SetNumOfElectrons(nElectrons);
437 evTag->SetNumOfPhotons(nGamas);
438 evTag->SetNumOfPi0s(nPi0s);
439 evTag->SetNumOfNeutrons(nNeutrons);
440 evTag->SetNumOfKaon0s(nK0s);
442 evTag->SetNumOfChargedAbove1GeV(nCh1GeV);
443 evTag->SetNumOfChargedAbove3GeV(nCh3GeV);
444 evTag->SetNumOfChargedAbove10GeV(nCh10GeV);
445 evTag->SetNumOfMuonsAbove1GeV(nMu1GeV);
446 evTag->SetNumOfMuonsAbove3GeV(nMu3GeV);
447 evTag->SetNumOfMuonsAbove10GeV(nMu10GeV);
448 evTag->SetNumOfElectronsAbove1GeV(nEl1GeV);
449 evTag->SetNumOfElectronsAbove3GeV(nEl3GeV);
450 evTag->SetNumOfElectronsAbove10GeV(nEl10GeV);
452 evTag->SetNumOfPHOSClusters(esd->GetNumberOfPHOSClusters());
453 evTag->SetNumOfEMCALClusters(esd->GetNumberOfEMCALClusters());
455 evTag->SetTotalMomentum(totalP);
456 evTag->SetMeanPt(meanPt);
457 evTag->SetMaxPt(maxPt);
459 tag->AddEventTag(*evTag);
461 lastEvent = iNumberOfEvents;
468 TString localFileName = "Run"; localFileName += tag->GetRunId();
469 localFileName += ".Event"; localFileName += firstEvent; localFileName += "_"; localFileName += lastEvent; localFileName += "."; localFileName += Counter;
470 localFileName += ".ESD.tag.root";
472 TString alienLocation = "/alien";
473 alienLocation += gGrid->Pwd();
474 alienLocation += fgridpath.Data();
475 alienLocation += "/";
476 alienLocation += localFileName;
477 alienLocation += "?se=";
478 alienLocation += fSE.Data();
484 fileName = localFileName.Data();
485 AliInfo(Form("Writing tags to local file: %s",fileName.Data()));
489 fileName = alienLocation.Data();
490 AliInfo(Form("Writing tags to grid file: %s",fileName.Data()));
493 TFile* ftag = TFile::Open(fileName, "recreate");