TPC/AnalyzeESDtracks.C

   1 /// \file AnalyzeESDtracks.C
   2 ///
   3 /// \brief Process ESD tracks - 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 #include  "TTimeStamp.h"
  70
  71 #include  "AliLog.h"
  72 #include  "AliMagF.h"
  73
  74 #include  "AliESD.h"
  75 #include  "AliESDfriend.h"
  76 #include  "AliESDtrack.h"
  77 #include  "AliTracker.h"
  78 #include  "AliTPCseed.h"
  79 #include  "AliTPCclusterMI.h"
  80 #include  "AliTPCParamSR.h"
  81 #include  "AliTPCROC.h"
  82
  83
  84 #include  "TTreeStream.h"
  85 #include  "TF1.h"
  86 #include  "TGraph.h"
  87 #include  "AliSignalProcesor.h"
  88 #include  "TCanvas.h"
  89
  90
  91 void FitSignals(TTree * treeB, TCut cut="Max-Median>150&&RMS06<2&&abs(Median-Mean09)<0.5", Int_t maxS=100);
  92 void LaserCalib(TTreeSRedirector & cstream, TTree * chain, Float_t tmin, Float_t tmax, Float_t fraction=0.7);
  93
  94 void AnalyzeESDtracks(Int_t run){
  95   // output redirect
  96   TTreeSRedirector *  pcstream = new TTreeSRedirector("TPCtracks.root");
  97   TTreeSRedirector &cstream = *pcstream;
  98   //
  99   TFile f("AliESDs.root");
 100   TTree * tree =(TTree*)f.Get("esdTree");
 101   AliESD * esd =0;
 102   tree->SetBranchAddress("ESD",&esd);
 103   AliESDfriend *evf=0;
 104   tree->AddFriend("esdFriendTree","AliESDfriends.root");
 105   tree->SetBranchAddress("ESDfriend",&evf);
 106
 107   Int_t nevents = tree->GetEntries();
 108   TClonesArray *clusters = new TClonesArray("AliTPCclusterMI",160);
 109   for (Int_t irow=0; irow<160; irow++){
 110     new ((*clusters)[irow])  AliTPCclusterMI;   // iitial dummy clusters
 111   }
 112
 113   for (Int_t ievent=0; ievent<nevents; ievent++){
 114     tree->GetEntry(ievent);
 115     if (!esd) continue;
 116     if (!evf) continue;
 117     esd->SetESDfriend(evf); //Attach the friend to the ESD
 118     for (Int_t itrack =0; itrack<esd->GetNumberOfTracks(); itrack++){
 119       // Int_t itrack = 0;
 120       if (esd->GetTrack(itrack)->GetFriendTrack()==0) continue;
 121       AliESDtrack * etrack = esd->GetTrack(itrack);
 122       AliESDfriendTrack * ftrack = (AliESDfriendTrack *)esd->GetTrack(itrack)->GetFriendTrack();
 123       AliTPCseed * seed =  (AliTPCseed*)(ftrack->GetCalibObject(0));
 124       if (!seed) continue;
 125       for (Int_t irow=0; irow<160; irow++){
 126         if (seed->GetClusterFast(irow)){
 127           AliTPCclusterMI * cl = new ((*clusters)[irow])  AliTPCclusterMI(*(seed->GetClusterFast(irow)));
 128           cl->SetLabel(itrack,0);
 129         }
 130         else{
 131           AliTPCclusterMI * cl = (AliTPCclusterMI*)clusters->At(irow);
 132           cl->SetX(0); cl->SetY(0); cl->SetZ(0); cl->SetQ(0); cl->SetLabel(-1,0);
 133         }
 134       }
 135       Float_t dEdx = seed->GetdEdx();
 136       Float_t dEdxI = seed->CookdEdx(0.05,0.6,0,77);
 137       Float_t dEdxO = seed->CookdEdx(0.05,0.6,78,155);
 138       Int_t ncl = seed->GetNumberOfClusters();
 139       cstream<<"Tracks"<<
 140         "Run="<<run<<
 141         "Ncl="<<ncl<<
 142         "Event="<<ievent<<
 143         "dEdx="<<dEdx<<
 144         "dEdxI="<<dEdxI<<
 145         "dEdxO="<<dEdxO<<
 146         "Track.="<<seed<<
 147         "Etrack.="<<etrack<<
 148         "Cl.="<<clusters<<
 149         "\n";
 150     }
 151   }
 152   delete pcstream;
 153   //
 154   // Fit signal part
 155   //
 156   TFile fs("TPCsignal.root");
 157   TTree *treeB =(TTree*)fs.Get("SignalB");
 158   //
 159   // Fit central electrode part
 160   //
 161   TTreeSRedirector * pcestream = new  TTreeSRedirector("TimeRoot.root");
 162   TTree * treece = (TTree*)fs.Get("Signalce");
 163   if (tree) {
 164     LaserCalib(*pcestream, treece, 800,1000, 0.7);
 165     delete pcestream;
 166   }
 167   FitSignals(treeB,"Max-Median>150&&RMS06<1.0&&RMS09<1.5&&abs(Median-Mean09)<0.2&&abs(Mean06-Mean09)<0.2",1000);
 168   //
 169 }
 170
 171
 172 void FitSignals(TTree * treeB, TCut cut, Int_t max){
 173   AliSignalProcesor proc;
 174   TF1 * f1 = proc.GetAsymGauss();
 175   TTreeSRedirector cstream("FitSignal.root");
 176   TFile *f = cstream.GetFile();
 177
 178   char lname[100];
 179   sprintf(lname,"Fit%s", cut.GetTitle());
 180   TEventList *list = new TEventList(lname,lname);
 181   sprintf(lname,">>Fit%s", cut.GetTitle());
 182   treeB->Draw(lname,cut);
 183   treeB->SetEventList(list);
 184   Int_t nFits=0;
 185   for (Int_t ievent=0; ievent<list->GetN(); ievent++){
 186     if (nFits>max) break;
 187     if (nFits%50==0) printf("%d\n",nFits);
 188     char ename[100];
 189     sprintf(ename,"Fit%d", ievent);
 190     Double_t nsample = treeB->Draw("Graph.fY-Mean09:Graph.fX","","",1,ievent);
 191     Double_t * signal  = treeB->GetV1();
 192     Double_t * time  = treeB->GetV2();
 193     Double_t maxpos =0;
 194     Double_t max = 0;
 195     for (Int_t ipos = 0; ipos<nsample; ipos++){
 196       if (signal[ipos]>max){
 197         max    = signal[ipos];
 198         maxpos = ipos;
 199       }
 200     }
 201
 202     Int_t first = TMath::Max(maxpos-10,0.);
 203     Int_t last  = TMath::Min(maxpos+60, nsample);
 204     //
 205     f->cd();
 206     TH1F his(ename,ename,last-first,first,last);
 207     for (Int_t ipos=0; ipos<last-first; ipos++){
 208       his.SetBinContent(ipos+1,signal[ipos+first]);
 209     }
 210     treeB->Draw("Sector:Row:Pad","","",1,ievent);
 211     Double_t sector = treeB->GetV1()[0];
 212     Double_t row    = treeB->GetV2()[0];
 213     Double_t pad    = treeB->GetV3()[0];
 214     //    TGraph  graph(last-first,&time[first],&signal[first]);
 215     f1->SetParameters(0.75*max,maxpos,1.1,0.8,0.25,0.2);
 216     //    TH1F * his = (TH1F*)graph.GetHistogram();
 217     his.Fit(f1,"q");
 218     his.Write(ename);
 219     gPad->Clear();
 220     his.Draw();
 221     gPad->Update();
 222     Double_t params[6];
 223     for (Int_t ipar=0; ipar<6; ipar++) params[ipar] = f1->GetParameters()[ipar];
 224     Double_t chi2 = TFitter::GetFitter()->Chisquare(6,params);
 225     TMatrixD cov(6,6);
 226     cov.SetMatrixArray(TFitter::GetFitter()->GetCovarianceMatrix());
 227     //
 228     // tail cancellation
 229     //
 230     Double_t x0[1000];
 231     Double_t x1[1000];
 232     Double_t x2[1000];
 233     for (Int_t ipos=0; ipos<last-first; ipos++){
 234       x0[ipos] = signal[ipos+first];
 235     }
 236     proc.TailCancelationALTRO1(x0,x1,0.85*0.339,0.09,last-first);
 237     proc.TailCancelationALTRO1(x1,x2,0.85,0.789,last-first);
 238     //
 239     sprintf(ename,"Cancel1_%d", ievent);
 240     TH1F his1(ename,ename,last-first,first,last);
 241     for (Int_t ipos=0; ipos<last-first; ipos++){
 242       his1.SetBinContent(ipos+1,x1[ipos]);
 243     }
 244     his1.Write(ename);
 245     sprintf(ename,"Cancel2_%d", ievent);
 246     TH1F his2(ename,ename,last-first,first,last);
 247     for (Int_t ipos=0; ipos<last-first; ipos++){
 248       his2.SetBinContent(ipos+1,x1[ipos]);
 249     }
 250     f1->SetParameters(0.75*max,maxpos,1.1,0.8,0.25,0.2);
 251     his2.Fit(f1,"q");
 252     his2.Write(ename);
 253     Double_t params2[6];
 254     for (Int_t ipar=0; ipar<6; ipar++) params2[ipar] = f1->GetParameters()[ipar];
 255     Double_t chi22 = TFitter::GetFitter()->Chisquare(6,params2);
 256     TMatrixD cov2(6,6);
 257     cov2.SetMatrixArray(TFitter::GetFitter()->GetCovarianceMatrix());
 258
 259     TGraph gr0(last-first, &time[first],x0);
 260     TGraph gr1(last-first, &time[first],x1);
 261     TGraph gr2(last-first, &time[first],x2);
 262     //
 263     cstream<<"Fit"<<
 264       "Sector="<<sector<<
 265       "Row="<<row<<
 266       "Pad="<<pad<<
 267       "First="<<first<<
 268       "Max="<<max<<
 269       "MaxPos="<<maxpos<<
 270       "chi2="<<chi2<<
 271       "chi22="<<chi22<<
 272       "Cov="<<&cov<<
 273       "Cov2="<<&cov2<<
 274       "gr0.="<<&gr0<<
 275       "gr1.="<<&gr1<<
 276       "gr2.="<<&gr2<<
 277       "p0="<<params[0]<<
 278       "p1="<<params[1]<<
 279       "p2="<<params[2]<<
 280       "p3="<<params[3]<<
 281       "p4="<<params[4]<<
 282       "p5="<<params[5]<<
 283       "p02="<<params2[0]<<
 284       "p12="<<params2[1]<<
 285       "p22="<<params2[2]<<
 286       "p32="<<params2[3]<<
 287       "p42="<<params2[4]<<
 288       "p52="<<params2[5]<<
 289       "\n";
 290     //    delete his;
 291     nFits++;
 292   }
 293
 294 }
 295
 296
 297 void LaserCalib(TTreeSRedirector & cstream, TTree * chain, Float_t tmin, Float_t tmax, Float_t fraction){
 298   ///
 299
 300   const Double_t kMaxDelta=10;
 301   AliTPCParamSR param;
 302   param.Update();
 303   TFile fce("TPCsignal.root");
 304   TTree   * treece =(TTree*)fce.Get("Signalce");
 305   if (chain) treece=chain;
 306   //
 307   TBranch * brsector  = treece->GetBranch("Sector");
 308   TBranch * brpad     = treece->GetBranch("Pad");
 309   TBranch * brrow     = treece->GetBranch("Row");
 310   TBranch * brTimeStamp = treece->GetBranch("TimeStamp");
 311   //
 312   TBranch * brtime    = treece->GetBranch("Time");
 313   TBranch * brrms     = treece->GetBranch("RMS06");
 314   TBranch * brmax     = treece->GetBranch("Max");
 315   TBranch * brsum     = treece->GetBranch("Qsum");
 316
 317   Int_t sector, pad, row=0;
 318   Double_t time=0, rms=0, qMax=0, qSum=0;
 319   UInt_t  timeStamp=0;
 320   brsector->SetAddress(&sector);
 321   brrow->SetAddress(&row);
 322   brpad->SetAddress(&pad);
 323   brTimeStamp->SetAddress(&timeStamp);
 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   TH1F  hisT("hisT","hisT",100,tmin,tmax);
 351   treece->Draw("Time>>hisT","");
 352   Float_t cbin = hisT.GetBinCenter(hisT.GetMaximumBin());
 353
 354   for (Int_t ientry=0; ientry<treece->GetEntriesFast(); ientry++){
 355     treece->GetEvent(ientry);
 356     //
 357     if (sector!=lastSector && sector==firstSector){
 358       //if (sector!=lastSector){
 359       lentry = ientry;
 360       TTimeStamp stamp(timeStamp);
 361       stamp.Print();
 362       printf("\nEvent\t%d\tFirst\t%d\tLast\t%d\t%d\n",count, fentry, lentry, lentry-fentry);
 363       //
 364       //
 365       Int_t ngood=0;
 366       for (Int_t ientry2=fentry; ientry2<lentry; ientry2++){
 367         //      brtime->GetEvent(ientry2);
 368         //  brsector->GetEvent(ientry2);
 369         treece->GetEvent(ientry2);
 370         if (time>tmin&&time<tmax && TMath::Abs(time-cbin)<kMaxDelta){
 371           padTimes[ngood]=time;
 372           ngood++;
 373           if (firstS[sector]<0)  firstS[sector]= ngood;
 374           if (firstS[sector]>=0) lastS[sector] = ngood;
 375         }
 376       }
 377       //
 378       //
 379       Double_t mean,sigma;
 380       restim.EvaluateUni(ngood,padTimes,mean, sigma,int(float(ngood)*fraction));
 381       printf("Event\t%d\t%f\t%f\n",count, mean, sigma);
 382       for (Int_t isector=0; isector<72; isector++){
 383         sectorsID[isector]=sector;
 384         if (firstS[isector]>=0 &&lastS[isector]>=0 && lastS[isector]>firstS[isector] ){
 385           Int_t ngoodS = lastS[isector]-firstS[isector];
 386           restim.EvaluateUni(ngoodS, &padTimes[firstS[isector]],meanS[isector],
 387                              sigmaS[isector],int(float(ngoodS)*fraction));
 388         }
 389       }
 390       TGraph  graphM(72,sectorsID,meanS);
 391       TGraph  graphS(72,sectorsID,sigmaS);
 392       cstream<<"TimeS"<<
 393         "CBin="<<cbin<<
 394         "Event="<<count<<
 395         "GM="<<&graphM<<
 396         "GS="<<&graphS<<
 397         "\n";
 398
 399
 400       for (Int_t ientry2=fentry; ientry2<lentry-1; ientry2++){
 401         treece->GetEvent(ientry2);
 402         Double_t x      = param.GetPadRowRadii(sector,row);
 403         Int_t    maxpad = AliTPCROC::Instance()->GetNPads(sector,row);
 404         Double_t y = (pad - 2.5 - 0.5*maxpad)*param.GetPadPitchWidth(sector);
 405         Double_t alpha = TMath::DegToRad()*(10.+20.*(sector%18));
 406         Double_t gx = x*TMath::Cos(alpha)-y*TMath::Sin(alpha);
 407         Double_t gy = y*TMath::Cos(alpha)+x*TMath::Sin(alpha);
 408
 409         Int_t npadS = lastS[sector]-firstS[sector];
 410         cstream<<"Time"<<
 411           "Event="<<count<<
 412           "TimeStamp="<<timeStamp<<
 413           "CBin="<<cbin<<
 414           "x="<<x<<
 415           "y="<<y<<
 416           "gx="<<gx<<
 417           "gy="<<gy<<
 418           "Sector="<<sector<<
 419           "Row="<<row<<
 420           "Pad="<<pad<<
 421           "Time="<<time<<
 422           "RMS="<<rms<<
 423           "Time0="<<mean<<
 424           "Sigma0="<<sigma<<
 425           "TimeS0="<<meanS[sector]<<
 426           "SigmaS0="<<sigmaS[sector]<<
 427           "npad0="<<ngood<<
 428           "npadS="<<npadS<<
 429           "Max="<<qMax<<
 430           "Sum="<<qSum<<
 431           "\n";
 432       }
 433       treece->GetEvent(ientry);
 434       fentry = ientry;
 435       count++;
 436       for (Int_t isector=0;isector<72; isector++){
 437         firstS[isector]=-1;
 438         lastS[isector] =-1;
 439       }
 440     }
 441     lastSector=sector;
 442   }
 443 }
 444
 445
 446
 447
 448 TChain *MakeChainCL(Int_t first, Int_t last){
 449   TChain *chaincl = new TChain("TreeR","TreeR");
 450   //
 451   char fname[100];
 452   for (Int_t i=first;i<last; i++){
 453     if (i>0) sprintf(fname,"TPC.RecPoints%d.root/Event%d/TreeR",i,i);
 454     if (i==0) sprintf(fname,"TPC.RecPoints.root/Event%d/TreeR",i);
 455     chaincl->Add(fname);
 456   }
 457   return chaincl;
 458 }
 459
 460 TTree* GetTree(Int_t ievent){
 461   char fname[100];
 462   char tname[100];
 463   if (ievent>0) sprintf(fname,"TPC.RecPoints%d.root",ievent);
 464   if (ievent==0) sprintf(fname,"TPC.RecPoints.root");
 465   sprintf(tname,"Event%d/TreeR",ievent);
 466   TFile * f  = new TFile(fname);
 467   TTree * tree = (TTree*)f->Get(tname);
 468   return tree;
 469
 470 }