TPC/AnalyzeESDtracks.C

   1 //
   2 // Process ESD tracks  -
   3 // Extract TPC tracks  - write them to tree
   4 //
   5 /*
   6   .L AnalyzeESDtracks.C+
   7   .L AliGenInfo.C+
   8   AnalyzeESDtracks(567);   // process tracks
   9   // Tracks are written to the file "TPCtracks.root"
  10   // Now yo can analyze it
  11   TFile fesd("AliESDs.root");
  12   TTree * treeE = (TTree*)fesd.Get("esdTree");
  13   TFile f("TPCtracks.root")
  14   TTree * tree =(TTree*)f.Get("Tracks");
  15   AliComparisonDraw comp;
  16   comp->fTree = tree;
  17
  18 */
  19
  20 //
  21
  22 /*
  23 .L AnalyzeESDtracks.C+
  24 .L AliGenInfo.C+
  25
  26 //AnalyzeESDtracks(567);
  27
  28
  29 TFile fesd("AliESDs.root");
  30 TTree * treeE = (TTree*)fesd.Get("esdTree");
  31 TFile f("TPCtracks.root")
  32 TTree * tree =(TTree*)f.Get("Tracks");
  33 AliComparisonDraw comp;
  34 comp->fTree = tree;
  35
  36 TFile fs("TPCsignal.root");
  37 TTree *treeB =(TTree*)fs.Get("SignalB");
  38 TTree *treeN =(TTree*)fs.Get("SignalN");
  39 TTree *treeS =(TTree*)fs.Get("Signal");
  40 TTree *treef =(TTree*)fs.Get("Fit");
  41
  42
  43 FitSignals(treeB,"Max-Median>100&&RMS06<2.5")
  44 TFile ffit("FitSignal.root");
  45 TTree * treeF = (TTree*)ffit->Get("Fit");
  46
  47
  48 TChain chaincl("TreeR","TreeR")
  49 chaincl.Add("TPC.RecPoints.root/Event0/TreeR")
  50 chaincl.Add("TPC.RecPoints1.root/Event1/TreeR")
  51 chaincl.Add("TPC.RecPoints2.root/Event2/TreeR")
  52 chaincl.Add("TPC.RecPoints3.root/Event3/TreeR")
  53
  54 */
  55
  56
  57
  58 #include "TObject.h"
  59 #include "TFile.h"
  60 #include "TTree.h"
  61 #include "TChain.h"
  62 #include "TBranch.h"
  63 #include "TTreeStream.h"
  64 #include "TEventList.h"
  65 #include "TCut.h"
  66 #include "TFitter.h"
  67 #include  "TMatrixD.h"
  68 #include  "TRobustEstimator.h"
  69
  70 #include  "AliLog.h"
  71 #include  "AliMagF.h"
  72
  73 #include  "AliESD.h"
  74 #include  "AliESDfriend.h"
  75 #include  "AliESDtrack.h"
  76 #include  "AliTracker.h"
  77 #include  "AliTPCseed.h"
  78 #include  "AliTPCclusterMI.h"
  79 #include  "AliTPCParamSR.h"
  80 #include  "AliTPCROC.h"
  81
  82
  83 #include  "TTreeStream.h"
  84 #include  "TF1.h"
  85 #include  "TGraph.h"
  86 #include  "AliSignalProcesor.h"
  87 #include  "TCanvas.h"
  88
  89
  90 void FitSignals(TTree * treeB, TCut cut="Max-Median>150&&RMS06<2&&abs(Median-Mean09)<0.5", Int_t maxS=100);
  91 void LaserCalib(TTreeSRedirector & cstream, TTree * chain, Float_t tmin, Float_t tmax, Float_t fraction=0.8);
  92
  93 void AnalyzeESDtracks(Int_t run){
  94   //
  95   // output redirect
  96   TTreeSRedirector *  pcstream = new TTreeSRedirector("TPCtracks.root");
  97   TTreeSRedirector &cstream = *pcstream;
  98   //
  99   // dummy magnetic field
 100   AliMagF mag("aaa","aaa",1,1,10);
 101   AliTracker::SetFieldMap(&mag,kTRUE);
 102   TFile f("AliESDs.root");
 103   TTree * tree =(TTree*)f.Get("esdTree");
 104   AliESD * esd =0;
 105   tree->SetBranchAddress("ESD",&esd);
 106   AliESDfriend *evf=0;
 107   tree->AddFriend("esdFriendTree","AliESDfriends.root");
 108   tree->SetBranchAddress("ESDfriend",&evf);
 109
 110   Int_t nevents = tree->GetEntries();
 111   TClonesArray *clusters = new TClonesArray("AliTPCclusterMI",160);
 112   for (Int_t irow=0; irow<160; irow++){
 113     new ((*clusters)[irow])  AliTPCclusterMI;   // iitial dummy clusters
 114   }
 115
 116   for (Int_t ievent=0; ievent<nevents; ievent++){
 117     tree->GetEntry(ievent);
 118     if (!esd) continue;
 119     if (!evf) continue;
 120     esd->SetESDfriend(evf); //Attach the friend to the ESD
 121     for (Int_t itrack =0; itrack<esd->GetNumberOfTracks(); itrack++){
 122       // Int_t itrack = 0;
 123       if (esd->GetTrack(itrack)->GetFriendTrack()==0) continue;
 124       AliESDtrack * etrack = esd->GetTrack(itrack);
 125       AliESDfriendTrack * ftrack = (AliESDfriendTrack *)esd->GetTrack(itrack)->GetFriendTrack();
 126       AliTPCseed * seed =  (AliTPCseed*)(ftrack->GetCalibObject(0));
 127       if (!seed) continue;
 128       for (Int_t irow=0; irow<160; irow++){
 129         if (seed->GetClusterFast(irow)){
 130           AliTPCclusterMI * cl = new ((*clusters)[irow])  AliTPCclusterMI(*(seed->GetClusterFast(irow)));
 131           cl->SetLabel(itrack,0);
 132         }
 133         else{
 134           AliTPCclusterMI * cl = (AliTPCclusterMI*)clusters->At(irow);
 135           cl->SetX(0); cl->SetY(0); cl->SetZ(0); cl->SetQ(0); cl->SetLabel(-1,0);
 136         }
 137       }
 138       Float_t dEdx = seed->GetdEdx();
 139       Float_t dEdxI = seed->CookdEdx(0.05,0.6,0,77);
 140       Float_t dEdxO = seed->CookdEdx(0.05,0.6,78,155);
 141       Int_t ncl = seed->GetNumberOfClusters();
 142       cstream<<"Tracks"<<
 143         "Run="<<run<<
 144         "Ncl="<<ncl<<
 145         "Event="<<ievent<<
 146         "dEdx="<<dEdx<<
 147         "dEdxI="<<dEdxI<<
 148         "dEdxO="<<dEdxO<<
 149         "Track.="<<seed<<
 150         "Etrack.="<<etrack<<
 151         "Cl.="<<clusters<<
 152         "\n";
 153     }
 154   }
 155   delete pcstream;
 156   //
 157   // Fit signal part
 158   //
 159   TFile fs("TPCsignal.root");
 160   TTree *treeB =(TTree*)fs.Get("SignalB");
 161   //
 162   // Fit central electrode part
 163   //
 164   TTreeSRedirector * pcestream = new  TTreeSRedirector("TimeRoot.root");
 165   TTree * treece = (TTree*)fs.Get("Signalce");
 166   if (tree) {
 167     LaserCalib(*pcestream, treece, 900,1000, 0.8);
 168     delete pcestream;
 169   }
 170   FitSignals(treeB,"Max-Median>150&&RMS06<1.0&&RMS09<1.5&&abs(Median-Mean09)<0.2&&abs(Mean06-Mean09)<0.2",200);
 171   //
 172 }
 173
 174
 175 void FitSignals(TTree * treeB, TCut cut, Int_t max){
 176   AliSignalProcesor proc;
 177   TF1 * f1 = proc.GetAsymGauss();
 178   TTreeSRedirector cstream("FitSignal.root");
 179   TFile *f = cstream.GetFile();
 180
 181   char lname[100];
 182   sprintf(lname,"Fit%s", cut.GetTitle());
 183   TEventList *list = new TEventList(lname,lname);
 184   sprintf(lname,">>Fit%s", cut.GetTitle());
 185   treeB->Draw(lname,cut);
 186   treeB->SetEventList(list);
 187   Int_t nFits=0;
 188   for (Int_t ievent=0; ievent<list->GetN(); ievent++){
 189     if (nFits>max) break;
 190     if (nFits%50==0) printf("%d\n",nFits);
 191     char ename[100];
 192     sprintf(ename,"Fit%d", ievent);
 193     Double_t nsample = treeB->Draw("Graph.fY-Mean09:Graph.fX","","",1,ievent);
 194     Double_t * signal  = treeB->GetV1();
 195     Double_t * time  = treeB->GetV2();
 196     Double_t maxpos =0;
 197     Double_t max = 0;
 198     for (Int_t ipos = 0; ipos<nsample; ipos++){
 199       if (signal[ipos]>max){
 200         max    = signal[ipos];
 201         maxpos = ipos;
 202       }
 203     }
 204
 205     Int_t first = TMath::Max(maxpos-10,0.);
 206     Int_t last  = TMath::Min(maxpos+60, nsample);
 207     //
 208     f->cd();
 209     TH1F his(ename,ename,last-first,first,last);
 210     for (Int_t ipos=0; ipos<last-first; ipos++){
 211       his.SetBinContent(ipos+1,signal[ipos+first]);
 212     }
 213     treeB->Draw("Sector:Row:Pad","","",1,ievent);
 214     Double_t sector = treeB->GetV1()[0];
 215     Double_t row    = treeB->GetV2()[0];
 216     Double_t pad    = treeB->GetV3()[0];
 217     //    TGraph  graph(last-first,&time[first],&signal[first]);
 218     f1->SetParameters(0.75*max,maxpos,1.1,0.8,0.25,0.2);
 219     //    TH1F * his = (TH1F*)graph.GetHistogram();
 220     his.Fit(f1,"q");
 221     his.Write(ename);
 222     gPad->Clear();
 223     his.Draw();
 224     gPad->Update();
 225     Double_t params[6];
 226     for (Int_t ipar=0; ipar<6; ipar++) params[ipar] = f1->GetParameters()[ipar];
 227     Double_t chi2 = TFitter::GetFitter()->Chisquare(6,params);
 228     TMatrixD cov(6,6);
 229     cov.SetMatrixArray(TFitter::GetFitter()->GetCovarianceMatrix());
 230     //
 231     // tail cancellation
 232     //
 233     Double_t x0[1000];
 234     Double_t x1[1000];
 235     Double_t x2[1000];
 236     for (Int_t ipos=0; ipos<last-first; ipos++){
 237       x0[ipos] = signal[ipos+first];
 238     }
 239     proc.TailCancelationALTRO1(x0,x1,0.85*0.339,0.09,last-first);
 240     proc.TailCancelationALTRO1(x1,x2,0.85,0.789,last-first);
 241     //
 242     sprintf(ename,"Cancel1_%d", ievent);
 243     TH1F his1(ename,ename,last-first,first,last);
 244     for (Int_t ipos=0; ipos<last-first; ipos++){
 245       his1.SetBinContent(ipos+1,x1[ipos]);
 246     }
 247     his1.Write(ename);
 248     sprintf(ename,"Cancel2_%d", ievent);
 249     TH1F his2(ename,ename,last-first,first,last);
 250     for (Int_t ipos=0; ipos<last-first; ipos++){
 251       his2.SetBinContent(ipos+1,x1[ipos]);
 252     }
 253     f1->SetParameters(0.75*max,maxpos,1.1,0.8,0.25,0.2);
 254     his2.Fit(f1,"q");
 255     his2.Write(ename);
 256     Double_t params2[6];
 257     for (Int_t ipar=0; ipar<6; ipar++) params2[ipar] = f1->GetParameters()[ipar];
 258     Double_t chi22 = TFitter::GetFitter()->Chisquare(6,params2);
 259     TMatrixD cov2(6,6);
 260     cov2.SetMatrixArray(TFitter::GetFitter()->GetCovarianceMatrix());
 261
 262     TGraph gr0(last-first, &time[first],x0);
 263     TGraph gr1(last-first, &time[first],x1);
 264     TGraph gr2(last-first, &time[first],x2);
 265     //
 266     cstream<<"Fit"<<
 267       "Sector="<<sector<<
 268       "Row="<<row<<
 269       "Pad="<<pad<<
 270       "First="<<first<<
 271       "Max="<<max<<
 272       "MaxPos="<<maxpos<<
 273       "chi2="<<chi2<<
 274       "chi22="<<chi22<<
 275       "Cov="<<&cov<<
 276       "Cov2="<<&cov2<<
 277       "gr0.="<<&gr0<<
 278       "gr1.="<<&gr1<<
 279       "gr2.="<<&gr2<<
 280       "p0="<<params[0]<<
 281       "p1="<<params[1]<<
 282       "p2="<<params[2]<<
 283       "p3="<<params[3]<<
 284       "p4="<<params[4]<<
 285       "p5="<<params[5]<<
 286       "p02="<<params2[0]<<
 287       "p12="<<params2[1]<<
 288       "p22="<<params2[2]<<
 289       "p32="<<params2[3]<<
 290       "p42="<<params2[4]<<
 291       "p52="<<params2[5]<<
 292       "\n";
 293     //    delete his;
 294     nFits++;
 295   }
 296
 297 }
 298
 299
 300 void LaserCalib(TTreeSRedirector & cstream, TTree * chain, Float_t tmin, Float_t tmax, Float_t fraction){
 301   //
 302   //
 303   //
 304   AliTPCParamSR param;
 305   param.Update();
 306   TFile fce("TPCsignal.root");
 307   TTree   * treece =(TTree*)fce.Get("Signalce");
 308   if (chain) treece=chain;
 309   //
 310   TBranch * brsector  = treece->GetBranch("Sector");
 311   TBranch * brpad     = treece->GetBranch("Pad");
 312   TBranch * brrow     = treece->GetBranch("Row");
 313   //
 314   TBranch * brtime    = treece->GetBranch("Time");
 315   TBranch * brrms     = treece->GetBranch("RMS06");
 316   TBranch * brmax     = treece->GetBranch("Max");
 317   TBranch * brsum     = treece->GetBranch("Qsum");
 318
 319   Int_t sector, pad, row=0;
 320   Double_t time=0, rms=0, qMax=0, qSum=0;
 321   brsector->SetAddress(&sector);
 322   brrow->SetAddress(&row);
 323   brpad->SetAddress(&pad);
 324
 325   brtime->SetAddress(&time);
 326   brrms->SetAddress(&rms);
 327   brmax->SetAddress(&qMax);
 328   brsum->SetAddress(&qSum);
 329
 330
 331   brsector->GetEntry(0);
 332   //
 333   Int_t firstSector  = sector;
 334   Int_t lastSector   = sector;
 335   Int_t fentry = 0;
 336   Int_t lentry = 0;
 337   //
 338   // find time offset for differnt events
 339   //
 340   Int_t count = 0;
 341   Double_t padTimes[500000];
 342   TRobustEstimator restim;
 343   Double_t meanS[72], sigmaS[72];
 344   Int_t   firstS[72], lastS[72];
 345   Double_t   sectorsID[72];
 346   for (Int_t isector=0;isector<72; isector++){
 347     firstS[isector]=-1;
 348     lastS[isector] =-1;
 349   };
 350
 351   for (Int_t ientry=0; ientry<treece->GetEntriesFast(); ientry++){
 352     treece->GetEvent(ientry);
 353     //
 354     if (sector!=lastSector && sector==firstSector){
 355       //if (sector!=lastSector){
 356       lentry = ientry;
 357       printf("\nEvent\t%d\tFirst\t%d\tLast\t%d\t%d\n",count, fentry, lentry, lentry-fentry);
 358       //
 359       //
 360       Int_t ngood=0;
 361       for (Int_t ientry2=fentry; ientry2<lentry; ientry2++){
 362         //      brtime->GetEvent(ientry2);
 363         //  brsector->GetEvent(ientry2);
 364         treece->GetEvent(ientry2);
 365         if (time>tmin&&time<tmax){
 366           padTimes[ngood]=time;
 367           ngood++;
 368           if (firstS[sector]<0)  firstS[sector]= ngood;
 369           if (firstS[sector]>=0) lastS[sector] = ngood;
 370         }
 371       }
 372       //
 373       //
 374       Double_t mean,sigma;
 375       restim.EvaluateUni(ngood,padTimes,mean, sigma,int(ngood*fraction));
 376       printf("Event\t%d\t%f\t%f\n",count, mean, sigma);
 377       for (Int_t isector=0; isector<72; isector++){
 378         sectorsID[isector]=sector;
 379         if (firstS[isector]>=0 &&lastS[isector]>=0 && lastS[isector]>firstS[isector] ){
 380           Int_t ngoodS = lastS[isector]-firstS[isector];
 381           restim.EvaluateUni(ngoodS, &padTimes[firstS[isector]],meanS[isector],
 382                              sigmaS[isector],int(ngoodS*fraction));
 383         }
 384       }
 385       TGraph  graphM(72,sectorsID,meanS);
 386       TGraph  graphS(72,sectorsID,sigmaS);
 387       cstream<<"TimeS"<<
 388         "Event="<<count<<
 389         "GM.="<<&graphM<<
 390         "GS.="<<&graphS<<
 391         "\n";
 392
 393
 394       for (Int_t ientry2=fentry; ientry2<lentry-1; ientry2++){
 395         treece->GetEvent(ientry2);
 396         Double_t x      = param.GetPadRowRadii(sector,row);
 397         Int_t    maxpad = AliTPCROC::Instance()->GetNPads(sector,row);
 398         Double_t y = (pad - 2.5 - 0.5*maxpad)*param.GetPadPitchWidth(sector);
 399         Double_t alpha = TMath::DegToRad()*(10.+20.*(sector%18));
 400         Double_t gx = x*TMath::Cos(alpha)-y*TMath::Sin(alpha);
 401         Double_t gy = y*TMath::Cos(alpha)+x*TMath::Sin(alpha);
 402
 403         Int_t npadS = lastS[sector]-firstS[sector];
 404         cstream<<"Time"<<
 405           "Event="<<count<<
 406           "x="<<x<<
 407           "y="<<y<<
 408           "gx="<<gx<<
 409           "gy="<<gy<<
 410           "Sector="<<sector<<
 411           "Row="<<row<<
 412           "Pad="<<pad<<
 413           "Time="<<time<<
 414           "RMS="<<rms<<
 415           "Time0="<<mean<<
 416           "Sigma0="<<sigma<<
 417           "TimeS0="<<meanS[sector]<<
 418           "SigmaS0="<<sigmaS[sector]<<
 419           "npad0="<<ngood<<
 420           "npadS="<<npadS<<
 421           "Max="<<qMax<<
 422           "Sum="<<qSum<<
 423           "\n";
 424       }
 425       treece->GetEvent(ientry);
 426       fentry = ientry;
 427       count++;
 428       for (Int_t isector=0;isector<72; isector++){
 429         firstS[isector]=-1;
 430         lastS[isector] =-1;
 431       }
 432     }
 433     lastSector=sector;
 434   }
 435 }
 436
 437
 438
 439
 440 TChain *MakeChainCL(Int_t first, Int_t last){
 441   TChain *chaincl = new TChain("TreeR","TreeR");
 442   //
 443   char fname[100];
 444   for (Int_t i=first;i<last; i++){
 445     if (i>0) sprintf(fname,"TPC.RecPoints%d.root/Event%d/TreeR",i,i);
 446     if (i==0) sprintf(fname,"TPC.RecPoints.root/Event%d/TreeR",i);
 447     chaincl->Add(fname);
 448   }
 449   return chaincl;
 450 }
 451
 452 TTree* GetTree(Int_t ievent){
 453   char fname[100];
 454   char tname[100];
 455   if (ievent>0) sprintf(fname,"TPC.RecPoints%d.root",ievent);
 456   if (ievent==0) sprintf(fname,"TPC.RecPoints.root");
 457   sprintf(tname,"Event%d/TreeR",ievent);
 458   TFile * f  = new TFile(fname);
 459   TTree * tree = (TTree*)f->Get(tname);
 460   return tree;
 461
 462 }