]> git.uio.no Git - u/mrichter/AliRoot.git/blame_incremental - STEER/AliTagCreator.cxx
git://git.uio.no / u / mrichter / AliRoot.git / blame_incremental
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (non-incremental) | history | HEAD
new digitization and reconstruction corresponded to new data format
[u/mrichter/AliRoot.git] / STEER / AliTagCreator.cxx
... / ...
CommitLineData
1/**************************************************************************
2 * Author: Panos Christakoglou. *
3 * Contributors are mentioned in the code where appropriate. *
4 * *
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 **************************************************************************/
13
14/* $Id$ */
15
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//-----------------------------------------------------------------
21
22//ROOT
23#include <TFile.h>
24#include <TString.h>
25#include <TTree.h>
26#include <TSystem.h>
27#include <TChain.h>
28#include <TLorentzVector.h>
29
30//ROOT-AliEn
31#include <TGrid.h>
32#include <TGridResult.h>
33
34//AliRoot
35#include "AliRunTag.h"
36#include "AliEventTag.h"
37#include "AliESD.h"
38#include "AliESDVertex.h"
39#include "AliLog.h"
40
41
42#include "AliTagCreator.h"
43
44
45ClassImp(AliTagCreator)
46
47
48//______________________________________________________________________________
49AliTagCreator::AliTagCreator() //local mode
50{
51 //==============Default constructor for a AliTagCreator==================
52 fgridpath = "";
53 fSE = "";
54 fStorage = 0;
55}
56
57//______________________________________________________________________________
58AliTagCreator::~AliTagCreator()
59{
60//================Default destructor for a AliTagCreator=======================
61}
62
63//______________________________________________________________________________
64void AliTagCreator::SetStorage(Int_t storage)
65{
66 // Sets correctly the storage: 0 for local, 1 for GRID
67 fStorage = storage;
68 if(fStorage == 0)
69 AliInfo(Form("Tags will be stored locally...."));
70 if(fStorage == 1)
71 AliInfo(Form("Tags will be stored in the grid...."));
72 if((fStorage != 0)&&(fStorage != 1))
73 {
74 AliInfo(Form("Storage was not properly set!!!"));
75 abort();
76 }
77}
78
79
80//______________________________________________________________________________
81Bool_t AliTagCreator::ReadESDCollection(TGridResult *fresult)
82{
83 // Reads the entry of the TGridResult and creates the tags
84 Int_t nEntries = fresult->GetEntries();
85
86 TString alienUrl;
87 const char *guid;
88 const char *md5;
89 const char *turl;
90 Long64_t size = -1;
91
92 Int_t counter = 0;
93 for(Int_t i = 0; i < nEntries; i++)
94 {
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))
102 md5 = 0;
103 if(guid && !strlen(guid))
104 guid = 0;
105
106 TFile *f = TFile::Open(alienUrl,"READ");
107 CreateTag(f,guid,md5,turl,size,counter);
108 f->Close();
109 delete f;
110 counter += 1;
111 }//grid result loop
112
113 return kTRUE;
114}
115
116//__________________________________________________________________________
117Bool_t AliTagCreator::MergeTags()
118{
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");
123
124 if(fStorage == 0) {
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))
132 fgChain->Add(name);
133 }//directory loop
134 AliInfo(Form("Chained tag files: %d",fgChain->GetEntries()));
135 }//local mode
136
137 else if(fStorage == 1) {
138 TString alienLocation = gGrid->Pwd();
139 alienLocation += fgridpath.Data();
140 alienLocation += "/";
141
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);
147 }//grid result loop
148 AliInfo(Form("Chained tag files: %d",fgChain->GetEntries()));
149 }//grid mode
150
151 AliRunTag *tag = new AliRunTag;
152 AliEventTag *evTag = new AliEventTag;
153 fgChain->SetBranchAddress("AliTAG",&tag);
154
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);
167 }
168 ttag.Fill();
169 newTag->Clear();
170 }//tag file loop
171
172 TString localFileName = "Run"; localFileName += tag->GetRunId();
173 localFileName += ".Merged"; localFileName += ".ESD.tag.root";
174
175 TString alienFileName = "/alien";
176 alienFileName += gGrid->Pwd();
177 alienFileName += fgridpath.Data();
178 alienFileName += "/";
179 alienFileName += localFileName;
180 alienFileName += "?se=";
181 alienFileName += fSE.Data();
182
183 TString filename = 0x0;
184
185 if(fStorage == 0) {
186 filename = localFileName.Data();
187 AliInfo(Form("Writing merged tags to local file: %s",filename.Data()));
188 }
189 if(fStorage == 1) {
190 filename = alienFileName.Data();
191 AliInfo(Form("Writing merged tags to grid file: %s",filename.Data()));
192 }
193
194 TFile* ftag = TFile::Open(filename, "recreate");
195 ftag->cd();
196 ttag.Write();
197 ftag->Close();
198
199 delete tag;
200 delete evTag;
201 delete newTag;
202
203 return kTRUE;
204}
205
206//_____________________________________________________________________________
207void AliTagCreator::CreateTag(TFile* file, const char *guid, const char *md5, const char *turl, Long64_t size, Int_t Counter)
208{
209 /////////////
210 //muon code//
211 ////////////
212 Double_t fMUONMASS = 0.105658369;
213 //Variables
214 Double_t fX,fY,fZ ;
215 Double_t fThetaX, fThetaY, fPyz, fChisquare;
216 Double_t fPxRec, fPyRec, fPzRec, fEnergy;
217 Int_t fCharge;
218 TLorentzVector fEPvector;
219
220 Float_t fZVertexCut = 10.0;
221 Float_t fRhoVertexCut = 2.0;
222
223 Float_t fLowPtCut = 1.0;
224 Float_t fHighPtCut = 3.0;
225 Float_t fVeryHighPtCut = 10.0;
226 ////////////
227
228 Double_t partFrac[5] = {0.01, 0.01, 0.85, 0.10, 0.05};
229
230 // Creates the tags for all the events in a given ESD file
231 Int_t ntrack;
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;
239
240 AliRunTag *tag = new AliRunTag();
241 AliEventTag *evTag = new AliEventTag();
242 TTree ttag("T","A Tree with event tags");
243 TBranch * btag = ttag.Branch("AliTAG", &tag);
244 btag->SetCompressionLevel(9);
245
246 AliInfo(Form("Creating the tags......."));
247
248 Int_t firstEvent = 0,lastEvent = 0;
249 TTree *t = (TTree*) file->Get("esdTree");
250 TBranch * b = t->GetBranch("ESD");
251 AliESD *esd = 0;
252 b->SetAddress(&esd);
253
254 tag->SetRunId(esd->GetRunNumber());
255
256 Int_t iNumberOfEvents = b->GetEntries();
257 for (Int_t iEventNumber = 0; iEventNumber < iNumberOfEvents; iEventNumber++) {
258 ntrack = 0;
259 nPos = 0;
260 nNeg = 0;
261 nNeutr =0;
262 nK0s = 0;
263 nNeutrons = 0;
264 nPi0s = 0;
265 nGamas = 0;
266 nProtons = 0;
267 nKaons = 0;
268 nPions = 0;
269 nMuons = 0;
270 nElectrons = 0;
271 nCh1GeV = 0;
272 nCh3GeV = 0;
273 nCh10GeV = 0;
274 nMu1GeV = 0;
275 nMu3GeV = 0;
276 nMu10GeV = 0;
277 nEl1GeV = 0;
278 nEl3GeV = 0;
279 nEl10GeV = 0;
280 maxPt = .0;
281 meanPt = .0;
282 totalP = .0;
283
284 b->GetEntry(iEventNumber);
285 const AliESDVertex * vertexIn = esd->GetVertex();
286
287 for (Int_t iTrackNumber = 0; iTrackNumber < esd->GetNumberOfTracks(); iTrackNumber++) {
288 AliESDtrack * esdTrack = esd->GetTrack(iTrackNumber);
289 UInt_t status = esdTrack->GetStatus();
290
291 //select only tracks with ITS refit
292 if ((status&AliESDtrack::kITSrefit)==0) continue;
293 //select only tracks with TPC refit
294 if ((status&AliESDtrack::kTPCrefit)==0) continue;
295
296 //select only tracks with the "combined PID"
297 if ((status&AliESDtrack::kESDpid)==0) continue;
298 Double_t p[3];
299 esdTrack->GetPxPyPz(p);
300 Double_t momentum = sqrt(pow(p[0],2) + pow(p[1],2) + pow(p[2],2));
301 Double_t fPt = sqrt(pow(p[0],2) + pow(p[1],2));
302 totalP += momentum;
303 meanPt += fPt;
304 if(fPt > maxPt) maxPt = fPt;
305
306 if(esdTrack->GetSign() > 0) {
307 nPos++;
308 if(fPt > fLowPtCut) nCh1GeV++;
309 if(fPt > fHighPtCut) nCh3GeV++;
310 if(fPt > fVeryHighPtCut) nCh10GeV++;
311 }
312 if(esdTrack->GetSign() < 0) {
313 nNeg++;
314 if(fPt > fLowPtCut) nCh1GeV++;
315 if(fPt > fHighPtCut) nCh3GeV++;
316 if(fPt > fVeryHighPtCut) nCh10GeV++;
317 }
318 if(esdTrack->GetSign() == 0) nNeutr++;
319
320 //PID
321 Double_t prob[5];
322 esdTrack->GetESDpid(prob);
323
324 Double_t rcc = 0.0;
325 for(Int_t i = 0; i < AliPID::kSPECIES; i++) rcc += prob[i]*partFrac[i];
326 if(rcc == 0.0) continue;
327 //Bayes' formula
328 Double_t w[5];
329 for(Int_t i = 0; i < AliPID::kSPECIES; i++) w[i] = prob[i]*partFrac[i]/rcc;
330
331 //protons
332 if ((w[4]>w[3])&&(w[4]>w[2])&&(w[4]>w[1])&&(w[4]>w[0])) nProtons++;
333 //kaons
334 if ((w[3]>w[4])&&(w[3]>w[2])&&(w[3]>w[1])&&(w[3]>w[0])) nKaons++;
335 //pions
336 if ((w[2]>w[4])&&(w[2]>w[3])&&(w[2]>w[1])&&(w[2]>w[0])) nPions++;
337 //electrons
338 if ((w[0]>w[4])&&(w[0]>w[3])&&(w[0]>w[2])&&(w[0]>w[1])) {
339 nElectrons++;
340 if(fPt > fLowPtCut) nEl1GeV++;
341 if(fPt > fHighPtCut) nEl3GeV++;
342 if(fPt > fVeryHighPtCut) nEl10GeV++;
343 }
344 ntrack++;
345 }//esd track loop
346
347 /////////////
348 //muon code//
349 ////////////
350 Int_t nMuonTracks = esd->GetNumberOfMuonTracks();
351 // loop over all reconstructed tracks (also first track of combination)
352 for (Int_t iTrack = 0; iTrack < nMuonTracks; iTrack++) {
353 AliESDMuonTrack* muonTrack = esd->GetMuonTrack(iTrack);
354 if (muonTrack == 0x0) continue;
355
356 // Coordinates at vertex
357 fZ = muonTrack->GetZ();
358 fY = muonTrack->GetBendingCoor();
359 fX = muonTrack->GetNonBendingCoor();
360
361 fThetaX = muonTrack->GetThetaX();
362 fThetaY = muonTrack->GetThetaY();
363
364 fPyz = 1./TMath::Abs(muonTrack->GetInverseBendingMomentum());
365 fPzRec = - fPyz / TMath::Sqrt(1.0 + TMath::Tan(fThetaY)*TMath::Tan(fThetaY));
366 fPxRec = fPzRec * TMath::Tan(fThetaX);
367 fPyRec = fPzRec * TMath::Tan(fThetaY);
368 fCharge = Int_t(TMath::Sign(1.,muonTrack->GetInverseBendingMomentum()));
369
370 //ChiSquare of the track if needed
371 fChisquare = muonTrack->GetChi2()/(2.0 * muonTrack->GetNHit() - 5);
372 fEnergy = TMath::Sqrt(fMUONMASS * fMUONMASS + fPxRec * fPxRec + fPyRec * fPyRec + fPzRec * fPzRec);
373 fEPvector.SetPxPyPzE(fPxRec, fPyRec, fPzRec, fEnergy);
374
375 // total number of muons inside a vertex cut
376 if((TMath::Abs(fZ)<fZVertexCut) && (TMath::Sqrt(fY*fY+fX*fX)<fRhoVertexCut)) {
377 nMuons++;
378 if(fEPvector.Pt() > fLowPtCut) {
379 nMu1GeV++;
380 if(fEPvector.Pt() > fHighPtCut) {
381 nMu3GeV++;
382 if (fEPvector.Pt() > fVeryHighPtCut) {
383 nMu10GeV++;
384 }
385 }
386 }
387 }
388 }//muon track loop
389
390 // Fill the event tags
391 if(ntrack != 0)
392 meanPt = meanPt/ntrack;
393
394 evTag->SetEventId(iEventNumber+1);
395 evTag->SetGUID(guid);
396 evTag->SetMD5(md5);
397 evTag->SetTURL(turl);
398 evTag->SetSize(size);
399 evTag->SetVertexX(vertexIn->GetXv());
400 evTag->SetVertexY(vertexIn->GetYv());
401 evTag->SetVertexZ(vertexIn->GetZv());
402
403 evTag->SetT0VertexZ(esd->GetT0zVertex());
404
405 evTag->SetTrigger(esd->GetTrigger());
406
407 evTag->SetZDCNeutronEnergy(esd->GetZDCNEnergy());
408 evTag->SetZDCProtonEnergy(esd->GetZDCPEnergy());
409 evTag->SetZDCEMEnergy(esd->GetZDCEMEnergy());
410 evTag->SetNumOfParticipants(esd->GetZDCParticipants());
411
412
413 evTag->SetNumOfTracks(esd->GetNumberOfTracks());
414 evTag->SetNumOfPosTracks(nPos);
415 evTag->SetNumOfNegTracks(nNeg);
416 evTag->SetNumOfNeutrTracks(nNeutr);
417
418 evTag->SetNumOfV0s(esd->GetNumberOfV0s());
419 evTag->SetNumOfCascades(esd->GetNumberOfCascades());
420 evTag->SetNumOfKinks(esd->GetNumberOfKinks());
421 evTag->SetNumOfPMDTracks(esd->GetNumberOfPmdTracks());
422
423 evTag->SetNumOfProtons(nProtons);
424 evTag->SetNumOfKaons(nKaons);
425 evTag->SetNumOfPions(nPions);
426 evTag->SetNumOfMuons(nMuons);
427 evTag->SetNumOfElectrons(nElectrons);
428 evTag->SetNumOfPhotons(nGamas);
429 evTag->SetNumOfPi0s(nPi0s);
430 evTag->SetNumOfNeutrons(nNeutrons);
431 evTag->SetNumOfKaon0s(nK0s);
432
433 evTag->SetNumOfChargedAbove1GeV(nCh1GeV);
434 evTag->SetNumOfChargedAbove3GeV(nCh3GeV);
435 evTag->SetNumOfChargedAbove10GeV(nCh10GeV);
436 evTag->SetNumOfMuonsAbove1GeV(nMu1GeV);
437 evTag->SetNumOfMuonsAbove3GeV(nMu3GeV);
438 evTag->SetNumOfMuonsAbove10GeV(nMu10GeV);
439 evTag->SetNumOfElectronsAbove1GeV(nEl1GeV);
440 evTag->SetNumOfElectronsAbove3GeV(nEl3GeV);
441 evTag->SetNumOfElectronsAbove10GeV(nEl10GeV);
442
443 evTag->SetNumOfPHOSClusters(esd->GetNumberOfPHOSClusters());
444 evTag->SetNumOfEMCALClusters(esd->GetNumberOfEMCALClusters());
445
446 evTag->SetTotalMomentum(totalP);
447 evTag->SetMeanPt(meanPt);
448 evTag->SetMaxPt(maxPt);
449
450 tag->AddEventTag(*evTag);
451 }//event loop
452 lastEvent = iNumberOfEvents;
453
454 t->Delete("");
455
456 ttag.Fill();
457 tag->Clear();
458
459 TString localFileName = "Run"; localFileName += tag->GetRunId();
460 localFileName += ".Event"; localFileName += firstEvent; localFileName += "_"; localFileName += lastEvent; localFileName += "."; localFileName += Counter;
461 localFileName += ".ESD.tag.root";
462
463 TString alienLocation = "/alien";
464 alienLocation += gGrid->Pwd();
465 alienLocation += fgridpath.Data();
466 alienLocation += "/";
467 alienLocation += localFileName;
468 alienLocation += "?se=";
469 alienLocation += fSE.Data();
470
471 TString fileName;
472
473 if(fStorage == 0)
474 {
475 fileName = localFileName.Data();
476 AliInfo(Form("Writing tags to local file: %s",fileName.Data()));
477 }
478 if(fStorage == 1)
479 {
480 fileName = alienLocation.Data();
481 AliInfo(Form("Writing tags to grid file: %s",fileName.Data()));
482 }
483
484 TFile* ftag = TFile::Open(fileName, "recreate");
485 ftag->cd();
486 ttag.Write();
487 ftag->Close();
488
489 delete ftag;
490 delete esd;
491
492 delete tag;
493 delete evTag;
494}
495