AliRoot Core  v5-06-30 (35d6c57)
 All Classes Namespaces Files Functions Variables Typedefs Enumerations Enumerator Friends Macros Groups Pages
AliTPCComparison.C
Go to the documentation of this file.
1 
10 #if !defined(__CINT__) || defined(__MAKECINT__)
11  #include <TMath.h>
12  #include <TError.h>
13  #include <Riostream.h>
14  #include <TH1F.h>
15  #include <TH2F.h>
16  #include <TTree.h>
17  #include <TParticle.h>
18  #include <TCanvas.h>
19  #include <TLine.h>
20  #include <TText.h>
21  #include <TBenchmark.h>
22  #include <TStyle.h>
23  #include <TFile.h>
24  #include <TROOT.h>
25 
26  #include "AliStack.h"
27  #include "AliHeader.h"
28  #include "AliTrackReference.h"
29  #include "AliRunLoader.h"
30  #include "AliRun.h"
31  #include "AliESDEvent.h"
32  #include "AliESDtrack.h"
33 
34  #include "AliSimDigits.h"
35  #include "AliTPC.h"
36  #include "AliTPCParamSR.h"
37  #include "AliTPCClustersArray.h"
38  #include "AliTPCClustersRow.h"
39  #include "AliTPCcluster.h"
40  #include "AliTPCLoader.h"
41 
42  #include "AliCDBManager.h"
43  #include "AliTPCcalibDB.h"
44 #endif
45 
46 Int_t GoodTracksTPC(const Char_t *dir=".");
47 
48 extern TBenchmark *gBenchmark;
49 extern TROOT *gROOT;
50 
51 static Int_t allgood=0;
52 static Int_t allselected=0;
53 static Int_t allfound=0;
54 
55 Int_t AliTPCComparison
56 (Float_t ptcutl=0.2, Float_t ptcuth=10., const Char_t *dir=".") {
57  gBenchmark->Start("AliTPCComparison");
58 
59  ::Info("AliTPCComparison.C","Doing comparison...");
60 
61 
62 
63  TH1F *hp=(TH1F*)gROOT->FindObject("hp");
64  if (!hp) hp=new TH1F("hp","PHI resolution",50,-20.,20.);
65  hp->SetFillColor(4);
66 
67  TH1F *hl=(TH1F*)gROOT->FindObject("hl");
68  if (!hl) hl=new TH1F("hl","LAMBDA resolution",50,-20,20);
69  hl->SetFillColor(4);
70 
71  TH1F *hpt=(TH1F*)gROOT->FindObject("hpt");
72  if (!hpt) hpt=new TH1F("hpt","Relative Pt resolution",30,-10.,10.);
73  hpt->SetFillColor(2);
74 
75  TH1F *hmpt=(TH1F*)gROOT->FindObject("hmpt");
76  if (!hmpt)
77  hmpt=new TH1F("hmpt","Relative Pt resolution (pt>4GeV/c)",30,-60,60);
78  hmpt->SetFillColor(6);
79 
80 
81 
82  TH1F *hgood=(TH1F*)gROOT->FindObject("hgood");
83  if (!hgood) hgood=new TH1F("hgood","Good tracks",30,0.2,6.1);
84 
85  TH1F *hfound=(TH1F*)gROOT->FindObject("hfound");
86  if (!hfound) hfound=new TH1F("hfound","Found tracks",30,0.2,6.1);
87 
88  TH1F *hfake=(TH1F*)gROOT->FindObject("hfake");
89  if (!hfake) hfake=new TH1F("hfake","Fake tracks",30,0.2,6.1);
90 
91  TH1F *hg=(TH1F*)gROOT->FindObject("hg");
92  if (!hg) hg=new TH1F("hg","Efficiency for good tracks",30,0.2,6.1);
93  hg->SetLineColor(4); hg->SetLineWidth(2);
94 
95  TH1F *hf=(TH1F*)gROOT->FindObject("hf");
96  if (!hf) hf=new TH1F("hf","Efficiency for fake tracks",30,0.2,6.1);
97  hf->SetFillColor(1); hf->SetFillStyle(3013); hf->SetLineWidth(2);
98 
99  TH1F *he=(TH1F*)gROOT->FindObject("he");
100  if (!he)
101  he =new TH1F("he","dE/dX for pions with 0.4<p<0.5 GeV/c",50,0.,100.);
102 
103  TH2F *hep=(TH2F*)gROOT->FindObject("hep");
104  if (!hep) hep=new TH2F("hep","dE/dX vs momentum",50,0.,2.,50,0.,400.);
105  hep->SetMarkerStyle(8);
106  hep->SetMarkerSize(0.4);
107 
108 
109  Char_t fname[100];
110  sprintf(fname,"%s/GoodTracksTPC.root",dir);
111 
112  TFile *refFile=TFile::Open(fname,"old");
113  if (!refFile || !refFile->IsOpen()) {
114  ::Info("AliTPCComparison.C","Marking good tracks (will take a while)...");
115  if (GoodTracksTPC(dir)) {
116  ::Error("AliTPCComparison.C","Can't generate the reference file !");
117  return 1;
118  }
119  }
120  refFile=TFile::Open(fname,"old");
121  if (!refFile || !refFile->IsOpen()) {
122  ::Error("AliTPCComparison.C","Can't open the reference file !");
123  return 2;
124  }
125 
126  TTree *tpcTree=(TTree*)refFile->Get("tpcTree");
127  if (!tpcTree) {
128  ::Error("AliTPCComparison.C","Can't get the reference tree !");
129  return 3;
130  }
131  TBranch *branch=tpcTree->GetBranch("TPC");
132  if (!branch) {
133  ::Error("AliTPCComparison.C","Can't get the TPC branch !");
134  return 4;
135  }
136  TClonesArray dummy("AliTrackReference",1000), *refs=&dummy;
137  branch->SetAddress(&refs);
138 
139 
140  sprintf(fname,"%s/AliESDs.root",dir);
141  TFile *ef=TFile::Open(fname);
142  if ((!ef)||(!ef->IsOpen())) {
143  sprintf(fname,"%s/AliESDtpc.root",dir);
144  ef=TFile::Open(fname);
145  if ((!ef)||(!ef->IsOpen())) {
146  ::Error("AliTPCComparison.C","Can't open AliESDtpc.root !");
147  return 5;
148  }
149  }
150  AliESDEvent* event = new AliESDEvent();
151  TTree* esdTree = (TTree*) ef->Get("esdTree");
152  if (!esdTree) {
153  ::Error("AliTPCComparison.C", "no ESD tree found");
154  return 6;
155  }
156  event->ReadFromTree(esdTree);
157 
158 
159  // ******* Loop over events *********
160 
161  Int_t e=0;
162  while (esdTree->GetEvent(e)) {
163  cout<<endl<<endl<<"********* Processing event number: "<<e<<"*******\n";
164 
165  Int_t nentr=event->GetNumberOfTracks();
166  allfound+=nentr;
167 
168  if (tpcTree->GetEvent(e++)==0) {
169  cerr<<"No reconstructable tracks !\n";
170  continue;
171  }
172 
173  Int_t ngood=refs->GetEntriesFast();
174  allgood+=ngood;
175 
176  const Int_t MAX=15000;
177  //MI change
178  Int_t track_notfound[MAX], itrack_notfound=0;
179  Int_t track_fake[MAX], itrack_fake=0;
180  Int_t track_multifound[MAX],track_multifound_n[MAX],itrack_multifound=0;
181 
182  Int_t i;
183  for (Int_t k=0; k<ngood; k++) {
184  AliTrackReference *ref=(AliTrackReference*)refs->UncheckedAt(k);
185  Int_t lab=ref->Label(), tlab=-1;
186  Float_t ptg=TMath::Sqrt(ref->Px()*ref->Px() + ref->Py()*ref->Py());
187 
188  if (ptg<1e-33) continue; // for those not crossing 0 pad row
189 
190  if (ptg<ptcutl) continue;
191  if (ptg>ptcuth) continue;
192 
193  allselected++;
194 
195  hgood->Fill(ptg);
196 
197  AliESDtrack *track=0;
198  for (i=0; i<nentr; i++) {
199  track=event->GetTrack(i);
200  tlab=track->GetTPCLabel();
201  if (lab==TMath::Abs(tlab)) break;
202  }
203  if (i==nentr) {
204  track_notfound[itrack_notfound++]=lab;
205  continue;
206  }
207 
208  //MI change - addition
209  Int_t micount=0;
210  Int_t mi;
211  AliESDtrack * mitrack;
212  for (mi=0; mi<nentr; mi++) {
213  mitrack=event->GetTrack(mi);
214  if (lab==TMath::Abs(mitrack->GetTPCLabel())) micount++;
215  }
216  if (micount>1) {
217  track_multifound[itrack_multifound]=lab;
218  track_multifound_n[itrack_multifound]=micount;
219  itrack_multifound++;
220  }
221  if ((track->GetStatus()&AliESDtrack::kTPCrefit)==0) continue;
222  if (lab==tlab) hfound->Fill(ptg);
223  else {
224  track_fake[itrack_fake++]=lab;
225  hfake->Fill(ptg);
226  }
227 
228  Double_t pxpypz[3]; track->GetInnerPxPyPz(pxpypz);
229  Float_t phi=TMath::ATan2(pxpypz[1],pxpypz[0]);
230  if (phi<-TMath::Pi()) phi+=2*TMath::Pi();
231  if (phi>=TMath::Pi()) phi-=2*TMath::Pi();
232  Double_t pt=TMath::Sqrt(pxpypz[0]*pxpypz[0]+pxpypz[1]*pxpypz[1]);
233  Float_t lam=TMath::ATan2(pxpypz[2],pt);
234  Float_t pt_1=1/pt;
235 
236  Int_t pdg=(Int_t)ref->GetLength(); //this is particle's PDG !
237 
238  if (TMath::Abs(pdg)==11 && ptg>4.) {//high momentum electrons
239  hmpt->Fill((pt_1 - 1/ptg)/(1/ptg)*100.);
240  } else {
241  Float_t phig=TMath::ATan2(ref->Py(),ref->Px());
242  hp->Fill((phi - phig)*1000.);
243 
244  Float_t lamg=TMath::ATan2(ref->Pz(),ptg);
245  hl->Fill((lam - lamg)*1000.);
246 
247  hpt->Fill((pt_1 - 1/ptg)/(1/ptg)*100.);
248  }
249 
250  Float_t mom=pt/TMath::Cos(lam);
251  Float_t dedx=track->GetTPCsignal();
252  hep->Fill(mom,dedx,1.);
253  if (TMath::Abs(pdg)==211) //pions
254  if (mom>0.4 && mom<0.5) {
255  he->Fill(dedx,1.);
256  }
257  }
258 
259  cout<<"\nList of Not found tracks :\n";
260  for ( i = 0; i< itrack_notfound; i++){
261  cout<<track_notfound[i]<<"\t";
262  if ((i%5)==4) cout<<"\n";
263  }
264  cout<<"\nList of fake tracks :\n";
265  for ( i = 0; i< itrack_fake; i++){
266  cout<<track_fake[i]<<"\t";
267  if ((i%5)==4) cout<<"\n";
268  }
269  cout<<"\nList of multiple found tracks :\n";
270  for ( i=0; i<itrack_multifound; i++) {
271  cout<<"id. "<<track_multifound[i]
272  <<" found - "<<track_multifound_n[i]<<"times\n";
273  }
274 
275  cout<<"Number of found tracks ="<<nentr<<endl;
276  cout<<"Number of \"good\" tracks ="<<ngood<<endl;
277 
278  refs->Clear();
279  }// ***** End of the loop over events
280 
281  delete event;
282  delete esdTree;
283  ef->Close();
284 
285  delete tpcTree;
286  refFile->Close();
287 
288  Stat_t ng=hgood->GetEntries(), nf=hfound->GetEntries();
289  if (ng!=0) cout<<"\n\nIntegral efficiency is about "<<nf/ng*100.<<" %\n";
290  cout<<"Total number selected of \"good\" tracks ="<<allselected<<endl<<endl;
291  cout<<"Total number of found tracks ="<<allfound<<endl;
292  cout<<"Total number of \"good\" tracks ="<<allgood<<endl;
293  cout<<endl;
294 
295  gStyle->SetOptStat(111110);
296  gStyle->SetOptFit(1);
297 
298  TCanvas *c1=new TCanvas("c1","",0,0,700,850);
299 
300  Int_t minc=33;
301 
302  TPad *p1=new TPad("p1","",0,0.3,.5,.6); p1->Draw();
303  p1->cd(); p1->SetFillColor(42); p1->SetFrameFillColor(10);
304  hp->SetFillColor(4); hp->SetXTitle("(mrad)");
305  if (hp->GetEntries()<minc) hp->Draw(); else hp->Fit("gaus"); c1->cd();
306 
307  TPad *p2=new TPad("p2","",0.5,.3,1,.6); p2->Draw();
308  p2->cd(); p2->SetFillColor(42); p2->SetFrameFillColor(10);
309  hl->SetXTitle("(mrad)");
310  if (hl->GetEntries()<minc) hl->Draw(); else hl->Fit("gaus"); c1->cd();
311 
312  TPad *p3=new TPad("p3","",0,0,0.5,0.3); p3->Draw();
313  p3->cd(); p3->SetFillColor(42); p3->SetFrameFillColor(10);
314  hpt->SetXTitle("(%)");
315  if (hpt->GetEntries()<minc) hpt->Draw(); else hpt->Fit("gaus"); c1->cd();
316 
317  TPad *p4=new TPad("p4","",0.5,0,1,0.3); p4->Draw();
318  p4->cd(); p4->SetFillColor(42); p4->SetFrameFillColor(10);
319  hmpt->SetXTitle("(%)");
320  if (hmpt->GetEntries()<minc) hmpt->Draw(); else hmpt->Fit("gaus"); c1->cd();
321 
322  TPad *p5=new TPad("p5","",0,0.6,1,1); p5->Draw(); p5->cd();
323  p5->SetFillColor(41); p5->SetFrameFillColor(10);
324  hfound->Sumw2(); hgood->Sumw2(); hfake->Sumw2();
325  hg->Divide(hfound,hgood,1,1.,"b");
326  hf->Divide(hfake,hgood,1,1.,"b");
327  hg->SetMaximum(1.4);
328  hg->SetYTitle("Tracking efficiency");
329  hg->SetXTitle("Pt (GeV/c)");
330  hg->Draw();
331 
332  TLine *line1 = new TLine(0.1,1.0,6.1,1.0); line1->SetLineStyle(4);
333  line1->Draw("same");
334  TLine *line2 = new TLine(0.1,0.9,6.1,0.9); line2->SetLineStyle(4);
335  line2->Draw("same");
336 
337  hf->SetFillColor(1);
338  hf->SetFillStyle(3013);
339  hf->SetLineColor(2);
340  hf->SetLineWidth(2);
341  hf->Draw("histsame");
342  TText *text = new TText(0.461176,0.248448,"Fake tracks");
343  text->SetTextSize(0.05);
344  text->Draw();
345  text = new TText(0.453919,1.11408,"Good tracks");
346  text->SetTextSize(0.05);
347  text->Draw();
348 
349 
350 
351  TCanvas *c2=new TCanvas("c2","",320,32,530,590);
352 
353  TPad *p6=new TPad("p6","",0.,0.,1.,.5); p6->Draw();
354  p6->cd(); p6->SetFillColor(42); p6->SetFrameFillColor(10);
355  he->SetFillColor(2); he->SetFillStyle(3005);
356  he->SetXTitle("Arbitrary Units");
357  if (he->GetEntries()<minc) he->Draw(); else he->Fit("gaus"); c2->cd();
358 
359  TPad *p7=new TPad("p7","",0.,0.5,1.,1.); p7->Draw();
360  p7->cd(); p7->SetFillColor(42); p7->SetFrameFillColor(10);
361  hep->SetXTitle("p (Gev/c)"); hep->SetYTitle("dE/dX (Arb. Units)");
362  hep->Draw(); c1->cd();
363 
364  TFile fc("AliTPCComparison.root","RECREATE");
365  c1->Write();
366  c2->Write();
367  fc.Close();
368 
369  gBenchmark->Stop("AliTPCComparison");
370  gBenchmark->Show("AliTPCComparison");
371 
372  return 0;
373 }
374 
375 
376 Int_t GoodTracksTPC(const Char_t *dir) {
377  Char_t fname[100];
378  sprintf(fname,"%s/galice.root",dir);
379 
380  AliRunLoader *rl = AliRunLoader::Open(fname,"COMPARISON");
381  if (!rl) {
382  ::Error("GoodTracksTPC","Can't start session !");
383  return 1;
384  }
385 
386  rl->LoadgAlice();
387  rl->LoadHeader();
388  rl->LoadKinematics();
389  rl->LoadTrackRefs();
390 
391  AliTPCLoader *tpcl = (AliTPCLoader *)rl->GetLoader("TPCLoader");
392  if (tpcl == 0x0) {
393  ::Error("GoodTracksTPC","Can not find TPCLoader !");
394  delete rl;
395  return 2;
396  }
397 
398  AliTPC *TPC=(AliTPC*)rl->GetAliRun()->GetDetector("TPC");
399  Int_t ver = TPC->IsVersion();
400  cout<<"TPC version "<<ver<<" has been found !\n";
401  if (ver==1) tpcl->LoadRecPoints();
402  else if (ver==2) tpcl->LoadDigits();
403  else {
404  ::Error("GoodTracksTPC","Wrong TPC version !");
405  delete rl;
406  return 3;
407  }
408 
409 
410  AliCDBManager *man=AliCDBManager::Instance();
411  man->SetDefaultStorage("local://$ALICE_ROOT/OCDB");
412  man->SetRun(0);
413  AliTPCParamSR *digp=
415  if (!digp) {
416  ::Error("AliTPCComparison.C","TPC parameters have not been found !");
417  delete rl;
418  return 4;
419  }
420 
421  Int_t nrow_up=digp->GetNRowUp();
422  Int_t nrows=digp->GetNRowLow()+nrow_up;
423  Int_t zero=digp->GetZeroSup();
424  Int_t gap=Int_t(0.125*nrows), shift=Int_t(0.5*gap);
425  Int_t good_number=Int_t(0.4*nrows);
426 
427  Int_t nev=rl->GetNumberOfEvents();
428  ::Info("GoodTracksTPC","Number of events : %d\n",nev);
429 
430 
431  sprintf(fname,"%s/GoodTracksTPC.root",dir);
432  TFile *file=TFile::Open(fname,"recreate");
433 
434  TClonesArray dummy("AliTrackReference",1000), *refs=&dummy;
435  TTree tpcTree("tpcTree","Tree with info about the reconstructable TPC tracks");
436  tpcTree.Branch("TPC",&refs);
437 
438  //******** Loop over generated events
439  for (Int_t e=0; e<nev; e++) {
440  Int_t nt=0;
441  refs->Clear();
442 
443  Int_t i;
444 
445  rl->GetEvent(e); file->cd();
446 
447  Int_t np = rl->GetHeader()->GetNtrack();
448  cout<<"Event "<<e<<" Number of particles: "<<np<<endl;
449 
450  //******** Fill the "good" masks
451  Int_t *good=new Int_t[np]; for (i=0; i<np; i++) good[i]=0;
452  switch (ver) {
453  case 1:
454  {
455  AliTPCClustersArray *pca=new AliTPCClustersArray, &ca=*pca;
456  ca.Setup(digp);
457  ca.SetClusterType("AliTPCcluster");
458  ca.ConnectTree(tpcl->TreeR());
459  Int_t nrows=Int_t(ca.GetTree()->GetEntries());
460  for (Int_t n=0; n<nrows; n++) {
461  AliSegmentID *s=ca.LoadEntry(n);
462  Int_t sec,row;
463  digp->AdjustSectorRow(s->GetID(),sec,row);
464  AliTPCClustersRow &clrow = *ca.GetRow(sec,row);
465  Int_t ncl=clrow.GetArray()->GetEntriesFast();
466  while (ncl--) {
467  AliTPCcluster *c=(AliTPCcluster*)clrow[ncl];
468  Int_t lab=c->GetLabel(0);
469  if (lab<0) continue; //noise cluster
470  lab=TMath::Abs(lab);
471 
472  if (sec>=digp->GetNInnerSector())
473  if (row==nrow_up-1) good[lab]|=0x4000;
474  if (sec>=digp->GetNInnerSector())
475  if (row==nrow_up-1-gap) good[lab]|=0x1000;
476 
477  if (sec>=digp->GetNInnerSector())
478  if (row==nrow_up-1-shift) good[lab]|=0x2000;
479  if (sec>=digp->GetNInnerSector())
480  if (row==nrow_up-1-gap-shift) good[lab]|=0x800;
481 
482  good[lab]++;
483  }
484  ca.ClearRow(sec,row);
485  }
486  delete pca;
487  }
488  break;
489  case 2:
490  {
491  TTree *TD=tpcl->TreeD();
492 
493  AliSimDigits da, *digits=&da;
494  TD->GetBranch("Segment")->SetAddress(&digits);
495 
496  Int_t *count = new Int_t[np];
497  Int_t i;
498  for (i=0; i<np; i++) count[i]=0;
499 
500  Int_t sectors_by_rows=(Int_t)TD->GetEntries();
501  for (i=0; i<sectors_by_rows; i++) {
502  if (!TD->GetEvent(i)) continue;
503  Int_t sec,row;
504  digp->AdjustSectorRow(digits->GetID(),sec,row);
505  //cerr<<sec<<' '<<row<<'\r';
506  digits->First();
507  do { //Many thanks to J.Chudoba who noticed this
508  Int_t it=digits->CurrentRow(), ip=digits->CurrentColumn();
509  Short_t dig = digits->GetDigit(it,ip);
510  Int_t idx0=digits->GetTrackID(it,ip,0);
511  Int_t idx1=digits->GetTrackID(it,ip,1);
512  Int_t idx2=digits->GetTrackID(it,ip,2);
513  if (idx0>=0 && dig>=zero && idx0<np) count[idx0]+=1;
514  if (idx1>=0 && dig>=zero && idx1<np) count[idx1]+=1;
515  if (idx2>=0 && dig>=zero && idx2<np) count[idx2]+=1;
516  } while (digits->Next());
517  for (Int_t j=0; j<np; j++) {
518  if (count[j]>1) {
519  if (sec>=digp->GetNInnerSector())
520  if (row==nrow_up-1 ) good[j]|=0x4000;
521  if (sec>=digp->GetNInnerSector())
522  if (row==nrow_up-1-gap) good[j]|=0x1000;
523 
524  if (sec>=digp->GetNInnerSector())
525  if (row==nrow_up-1-shift) good[j]|=0x2000;
526  if (sec>=digp->GetNInnerSector())
527  if (row==nrow_up-1-gap-shift) good[j]|=0x800;
528  good[j]++;
529  }
530  count[j]=0;
531  }
532  }
533  delete[] count;
534  }
535  break;
536  }
537 
538 
539  //****** select tracks which are "good" enough
540  AliStack* stack = rl->Stack();
541  for (i=0; i<np; i++) {
542  if ((good[i]&0x5000) != 0x5000)
543  if ((good[i]&0x2800) != 0x2800) continue;
544  if ((good[i]&0x7FF ) < good_number) continue;
545 
546  TParticle *p = (TParticle*)stack->Particle(i);
547  if (p == 0x0) {
548  cerr<<"Can not get particle "<<i<<endl;
549  continue;
550  }
551  if (p->Pt()<0.100) continue;
552  if (TMath::Abs(p->Pz()/p->Pt())>0.999) continue;
553 
554  Double_t vx=p->Vx(),vy=p->Vy(),vz=p->Vz();
555  if (TMath::Sqrt(vx*vx+vy*vy)>3.5) continue;
556  if (TMath::Abs(vz) > 50.) continue;
557 
558  AliTrackReference *ref=new((*refs)[nt]) AliTrackReference();
559 
560  ref->SetLabel(i);
561  Int_t pdg=p->GetPdgCode();
562  ref->SetLength(pdg); //This will the particle's PDG !
563  ref->SetMomentum(0.,0.,0.);
564  ref->SetPosition(0.,0.,0.);
565 
566  nt++;
567  }
568 
569  //**** check if there is also information at the entrance of the TPC
570  TTree *TR=rl->TreeTR();
571  TBranch *branch=TR->GetBranch("TrackReferences");
572  if (branch==0) {
573  ::Error("GoodTracksTPC","No track references !");
574  delete rl;
575  return 5;
576  }
577  TClonesArray tpcdummy("AliTrackReference",1000), *tpcRefs=&tpcdummy;
578  branch->SetAddress(&tpcRefs);
579  Int_t nr=(Int_t)TR->GetEntries();
580  for (Int_t r=0; r<nr; r++) {
581  //cerr<<r<<' '<<nr<<'\r';
582  TR->GetEvent(r);
583 
584  Int_t nref = tpcRefs->GetEntriesFast();
585  if (!nref) continue;
586  AliTrackReference *tpcRef= 0x0;
587  for (Int_t iref=0; iref<nref; ++iref) {
588  tpcRef = (AliTrackReference*)tpcRefs->UncheckedAt(iref);
589  if (tpcRef->DetectorId() == AliTrackReference::kTPC) break;
590  tpcRef = 0x0;
591  }
592 
593  if (!tpcRef) continue;
594 
595  Int_t j;
596  AliTrackReference *ref=0;
597  for (j=0; j<nt; j++) {
598  ref=(AliTrackReference *)refs->UncheckedAt(j);
599  if (ref->Label()==tpcRef->Label()) break;
600  ref=0;
601  }
602  if (ref==0) continue;
603 
604  ref->SetMomentum(tpcRef->Px(),tpcRef->Py(),tpcRef->Pz());
605  ref->SetPosition(tpcRef->LocalX(),tpcRef->LocalY(),tpcRef->Z());
606 
607  tpcRefs->Clear();
608  }
609 
610  tpcTree.Fill();
611 
612  delete[] good;
613  } //****** end of the loop over generated events
614 
615 
616  tpcTree.Write();
617  file->Close();
618 
619  delete rl;
620  return 0;
621 }
static AliTPCcalibDB * Instance()
Int_t GetZeroSup() const
Definition: AliTPCParam.h:357
AliSegmentID object.
Definition: AliSegmentID.h:15
TStyle * gStyle
static Int_t allselected
Manager and of geomety classes for set: TPC.
Definition: AliTPCParamSR.h:15
Int_t CurrentRow()
Definition: AliDigits.h:40
TBenchmark * gBenchmark
TROOT * gROOT
AliTPCParam * GetParameters() const
static Int_t allfound
AliTPCfastTrack * track
virtual Bool_t Next()
Definition: AliDigits.cxx:280
virtual Int_t GetTrackID(Int_t row, Int_t column, Int_t level)
base class for loaders
Definition: AliTPCLoader.h:15
TVectorD vz
Definition: driftITSTPC.C:87
virtual Bool_t First()
Definition: AliDigits.cxx:271
Time Projection Chamber AliTPCClusterRow objects.
virtual Short_t GetDigit(Int_t row, Int_t column)
Definition: AliDigits.cxx:224
Int_t GetNRowUp() const
Int_t GetID()
Definition: AliSegmentID.h:19
Int_t GoodTracksTPC(const Char_t *dir=".")
TClonesArray * GetArray()
Definition: AliClusters.h:28
Bool_t AdjustSectorRow(Int_t index, Int_t &sector, Int_t &row) const
Int_t CurrentColumn()
Definition: AliDigits.h:41
Int_t AliTPCComparison(Float_t ptcutl=0.2, Float_t ptcuth=10., const Char_t *dir=".")
char * fname
static Int_t allgood
Int_t GetNInnerSector() const
Definition: AliTPCParam.h:257
Int_t GetNRowLow() const