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 #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   //
  96   // output redirect
  97   TTreeSRedirector *  pcstream = new TTreeSRedirector("TPCtracks.root");
  98   TTreeSRedirector &cstream = *pcstream;
  99   //
 100   TFile f("AliESDs.root");
 101   TTree * tree =(TTree*)f.Get("esdTree");
 102   AliESD * esd =0;
 103   tree->SetBranchAddress("ESD",&esd);
 104   AliESDfriend *evf=0;
 105   tree->AddFriend("esdFriendTree","AliESDfriends.root");
 106   tree->SetBranchAddress("ESDfriend",&evf);
 107
 108   Int_t nevents = tree->GetEntries();
 109   TClonesArray *clusters = new TClonesArray("AliTPCclusterMI",160);
 110   for (Int_t irow=0; irow<160; irow++){
 111     new ((*clusters)[irow])  AliTPCclusterMI;   // iitial dummy clusters
 112   }
 113
 114   for (Int_t ievent=0; ievent<nevents; ievent++){
 115     tree->GetEntry(ievent);
 116     if (!esd) continue;
 117     if (!evf) continue;
 118     esd->SetESDfriend(evf); //Attach the friend to the ESD
 119     for (Int_t itrack =0; itrack<esd->GetNumberOfTracks(); itrack++){
 120       // Int_t itrack = 0;
 121       if (esd->GetTrack(itrack)->GetFriendTrack()==0) continue;
 122       AliESDtrack * etrack = esd->GetTrack(itrack);
 123       AliESDfriendTrack * ftrack = (AliESDfriendTrack *)esd->GetTrack(itrack)->GetFriendTrack();
 124       AliTPCseed * seed =  (AliTPCseed*)(ftrack->GetCalibObject(0));
 125       if (!seed) continue;
 126       for (Int_t irow=0; irow<160; irow++){
 127         if (seed->GetClusterFast(irow)){
 128           AliTPCclusterMI * cl = new ((*clusters)[irow])  AliTPCclusterMI(*(seed->GetClusterFast(irow)));
 129           cl->SetLabel(itrack,0);
 130         }
 131         else{
 132           AliTPCclusterMI * cl = (AliTPCclusterMI*)clusters->At(irow);
 133           cl->SetX(0); cl->SetY(0); cl->SetZ(0); cl->SetQ(0); cl->SetLabel(-1,0);
 134         }
 135       }
 136       Float_t dEdx = seed->GetdEdx();
 137       Float_t dEdxI = seed->CookdEdx(0.05,0.6,0,77);
 138       Float_t dEdxO = seed->CookdEdx(0.05,0.6,78,155);
 139       Int_t ncl = seed->GetNumberOfClusters();
 140       cstream<<"Tracks"<<
 141         "Run="<<run<<
 142         "Ncl="<<ncl<<
 143         "Event="<<ievent<<
 144         "dEdx="<<dEdx<<
 145         "dEdxI="<<dEdxI<<
 146         "dEdxO="<<dEdxO<<
 147         "Track.="<<seed<<
 148         "Etrack.="<<etrack<<
 149         "Cl.="<<clusters<<
 150         "\n";
 151     }
 152   }
 153   delete pcstream;
 154   //
 155   // Fit signal part
 156   //
 157   TFile fs("TPCsignal.root");
 158   TTree *treeB =(TTree*)fs.Get("SignalB");
 159   //
 160   // Fit central electrode part
 161   //
 162   TTreeSRedirector * pcestream = new  TTreeSRedirector("TimeRoot.root");
 163   TTree * treece = (TTree*)fs.Get("Signalce");
 164   if (tree) {
 165     LaserCalib(*pcestream, treece, 800,1000, 0.7);
 166     delete pcestream;
 167   }
 168   FitSignals(treeB,"Max-Median>150&&RMS06<1.0&&RMS09<1.5&&abs(Median-Mean09)<0.2&&abs(Mean06-Mean09)<0.2",1000);
 169   //
 170 }
 171
 172
 173 void FitSignals(TTree * treeB, TCut cut, Int_t max){
 174   AliSignalProcesor proc;
 175   TF1 * f1 = proc.GetAsymGauss();
 176   TTreeSRedirector cstream("FitSignal.root");
 177   TFile *f = cstream.GetFile();
 178
 179   char lname[100];
 180   sprintf(lname,"Fit%s", cut.GetTitle());
 181   TEventList *list = new TEventList(lname,lname);
 182   sprintf(lname,">>Fit%s", cut.GetTitle());
 183   treeB->Draw(lname,cut);
 184   treeB->SetEventList(list);
 185   Int_t nFits=0;
 186   for (Int_t ievent=0; ievent<list->GetN(); ievent++){
 187     if (nFits>max) break;
 188     if (nFits%50==0) printf("%d\n",nFits);
 189     char ename[100];
 190     sprintf(ename,"Fit%d", ievent);
 191     Double_t nsample = treeB->Draw("Graph.fY-Mean09:Graph.fX","","",1,ievent);
 192     Double_t * signal  = treeB->GetV1();
 193     Double_t * time  = treeB->GetV2();
 194     Double_t maxpos =0;
 195     Double_t max = 0;
 196     for (Int_t ipos = 0; ipos<nsample; ipos++){
 197       if (signal[ipos]>max){
 198         max    = signal[ipos];
 199         maxpos = ipos;
 200       }
 201     }
 202
 203     Int_t first = TMath::Max(maxpos-10,0.);
 204     Int_t last  = TMath::Min(maxpos+60, nsample);
 205     //
 206     f->cd();
 207     TH1F his(ename,ename,last-first,first,last);
 208     for (Int_t ipos=0; ipos<last-first; ipos++){
 209       his.SetBinContent(ipos+1,signal[ipos+first]);
 210     }
 211     treeB->Draw("Sector:Row:Pad","","",1,ievent);
 212     Double_t sector = treeB->GetV1()[0];
 213     Double_t row    = treeB->GetV2()[0];
 214     Double_t pad    = treeB->GetV3()[0];
 215     //    TGraph  graph(last-first,&time[first],&signal[first]);
 216     f1->SetParameters(0.75*max,maxpos,1.1,0.8,0.25,0.2);
 217     //    TH1F * his = (TH1F*)graph.GetHistogram();
 218     his.Fit(f1,"q");
 219     his.Write(ename);
 220     gPad->Clear();
 221     his.Draw();
 222     gPad->Update();
 223     Double_t params[6];
 224     for (Int_t ipar=0; ipar<6; ipar++) params[ipar] = f1->GetParameters()[ipar];
 225     Double_t chi2 = TFitter::GetFitter()->Chisquare(6,params);
 226     TMatrixD cov(6,6);
 227     cov.SetMatrixArray(TFitter::GetFitter()->GetCovarianceMatrix());
 228     //
 229     // tail cancellation
 230     //
 231     Double_t x0[1000];
 232     Double_t x1[1000];
 233     Double_t x2[1000];
 234     for (Int_t ipos=0; ipos<last-first; ipos++){
 235       x0[ipos] = signal[ipos+first];
 236     }
 237     proc.TailCancelationALTRO1(x0,x1,0.85*0.339,0.09,last-first);
 238     proc.TailCancelationALTRO1(x1,x2,0.85,0.789,last-first);
 239     //
 240     sprintf(ename,"Cancel1_%d", ievent);
 241     TH1F his1(ename,ename,last-first,first,last);
 242     for (Int_t ipos=0; ipos<last-first; ipos++){
 243       his1.SetBinContent(ipos+1,x1[ipos]);
 244     }
 245     his1.Write(ename);
 246     sprintf(ename,"Cancel2_%d", ievent);
 247     TH1F his2(ename,ename,last-first,first,last);
 248     for (Int_t ipos=0; ipos<last-first; ipos++){
 249       his2.SetBinContent(ipos+1,x1[ipos]);
 250     }
 251     f1->SetParameters(0.75*max,maxpos,1.1,0.8,0.25,0.2);
 252     his2.Fit(f1,"q");
 253     his2.Write(ename);
 254     Double_t params2[6];
 255     for (Int_t ipar=0; ipar<6; ipar++) params2[ipar] = f1->GetParameters()[ipar];
 256     Double_t chi22 = TFitter::GetFitter()->Chisquare(6,params2);
 257     TMatrixD cov2(6,6);
 258     cov2.SetMatrixArray(TFitter::GetFitter()->GetCovarianceMatrix());
 259
 260     TGraph gr0(last-first, &time[first],x0);
 261     TGraph gr1(last-first, &time[first],x1);
 262     TGraph gr2(last-first, &time[first],x2);
 263     //
 264     cstream<<"Fit"<<
 265       "Sector="<<sector<<
 266       "Row="<<row<<
 267       "Pad="<<pad<<
 268       "First="<<first<<
 269       "Max="<<max<<
 270       "MaxPos="<<maxpos<<
 271       "chi2="<<chi2<<
 272       "chi22="<<chi22<<
 273       "Cov="<<&cov<<
 274       "Cov2="<<&cov2<<
 275       "gr0.="<<&gr0<<
 276       "gr1.="<<&gr1<<
 277       "gr2.="<<&gr2<<
 278       "p0="<<params[0]<<
 279       "p1="<<params[1]<<
 280       "p2="<<params[2]<<
 281       "p3="<<params[3]<<
 282       "p4="<<params[4]<<
 283       "p5="<<params[5]<<
 284       "p02="<<params2[0]<<
 285       "p12="<<params2[1]<<
 286       "p22="<<params2[2]<<
 287       "p32="<<params2[3]<<
 288       "p42="<<params2[4]<<
 289       "p52="<<params2[5]<<
 290       "\n";
 291     //    delete his;
 292     nFits++;
 293   }
 294
 295 }
 296
 297
 298 void LaserCalib(TTreeSRedirector & cstream, TTree * chain, Float_t tmin, Float_t tmax, Float_t fraction){
 299   //
 300   //
 301   //
 302   const Double_t kMaxDelta=10;
 303   AliTPCParamSR param;
 304   param.Update();
 305   TFile fce("TPCsignal.root");
 306   TTree   * treece =(TTree*)fce.Get("Signalce");
 307   if (chain) treece=chain;
 308   //
 309   TBranch * brsector  = treece->GetBranch("Sector");
 310   TBranch * brpad     = treece->GetBranch("Pad");
 311   TBranch * brrow     = treece->GetBranch("Row");
 312   TBranch * brTimeStamp = treece->GetBranch("TimeStamp");
 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   UInt_t  timeStamp=0;
 322   brsector->SetAddress(&sector);
 323   brrow->SetAddress(&row);
 324   brpad->SetAddress(&pad);
 325   brTimeStamp->SetAddress(&timeStamp);
 326
 327   brtime->SetAddress(&time);
 328   brrms->SetAddress(&rms);
 329   brmax->SetAddress(&qMax);
 330   brsum->SetAddress(&qSum);
 331
 332
 333   brsector->GetEntry(0);
 334   //
 335   Int_t firstSector  = sector;
 336   Int_t lastSector   = sector;
 337   Int_t fentry = 0;
 338   Int_t lentry = 0;
 339   //
 340   // find time offset for differnt events
 341   //
 342   Int_t count = 0;
 343   Double_t padTimes[500000];
 344   TRobustEstimator restim;
 345   Double_t meanS[72], sigmaS[72];
 346   Int_t   firstS[72], lastS[72];
 347   Double_t   sectorsID[72];
 348   for (Int_t isector=0;isector<72; isector++){
 349     firstS[isector]=-1;
 350     lastS[isector] =-1;
 351   };
 352   TH1F  hisT("hisT","hisT",100,tmin,tmax);
 353   treece->Draw("Time>>hisT","");
 354   Float_t cbin = hisT.GetBinCenter(hisT.GetMaximumBin());
 355
 356   for (Int_t ientry=0; ientry<treece->GetEntriesFast(); ientry++){
 357     treece->GetEvent(ientry);
 358     //
 359     if (sector!=lastSector && sector==firstSector){
 360       //if (sector!=lastSector){
 361       lentry = ientry;
 362       TTimeStamp stamp(timeStamp);
 363       stamp.Print();
 364       printf("\nEvent\t%d\tFirst\t%d\tLast\t%d\t%d\n",count, fentry, lentry, lentry-fentry);
 365       //
 366       //
 367       Int_t ngood=0;
 368       for (Int_t ientry2=fentry; ientry2<lentry; ientry2++){
 369         //      brtime->GetEvent(ientry2);
 370         //  brsector->GetEvent(ientry2);
 371         treece->GetEvent(ientry2);
 372         if (time>tmin&&time<tmax && TMath::Abs(time-cbin)<kMaxDelta){
 373           padTimes[ngood]=time;
 374           ngood++;
 375           if (firstS[sector]<0)  firstS[sector]= ngood;
 376           if (firstS[sector]>=0) lastS[sector] = ngood;
 377         }
 378       }
 379       //
 380       //
 381       Double_t mean,sigma;
 382       restim.EvaluateUni(ngood,padTimes,mean, sigma,int(float(ngood)*fraction));
 383       printf("Event\t%d\t%f\t%f\n",count, mean, sigma);
 384       for (Int_t isector=0; isector<72; isector++){
 385         sectorsID[isector]=sector;
 386         if (firstS[isector]>=0 &&lastS[isector]>=0 && lastS[isector]>firstS[isector] ){
 387           Int_t ngoodS = lastS[isector]-firstS[isector];
 388           restim.EvaluateUni(ngoodS, &padTimes[firstS[isector]],meanS[isector],
 389                              sigmaS[isector],int(float(ngoodS)*fraction));
 390         }
 391       }
 392       TGraph  graphM(72,sectorsID,meanS);
 393       TGraph  graphS(72,sectorsID,sigmaS);
 394       cstream<<"TimeS"<<
 395         "CBin="<<cbin<<
 396         "Event="<<count<<
 397         "GM="<<&graphM<<
 398         "GS="<<&graphS<<
 399         "\n";
 400
 401
 402       for (Int_t ientry2=fentry; ientry2<lentry-1; ientry2++){
 403         treece->GetEvent(ientry2);
 404         Double_t x      = param.GetPadRowRadii(sector,row);
 405         Int_t    maxpad = AliTPCROC::Instance()->GetNPads(sector,row);
 406         Double_t y = (pad - 2.5 - 0.5*maxpad)*param.GetPadPitchWidth(sector);
 407         Double_t alpha = TMath::DegToRad()*(10.+20.*(sector%18));
 408         Double_t gx = x*TMath::Cos(alpha)-y*TMath::Sin(alpha);
 409         Double_t gy = y*TMath::Cos(alpha)+x*TMath::Sin(alpha);
 410
 411         Int_t npadS = lastS[sector]-firstS[sector];
 412         cstream<<"Time"<<
 413           "Event="<<count<<
 414           "TimeStamp="<<timeStamp<<
 415           "CBin="<<cbin<<
 416           "x="<<x<<
 417           "y="<<y<<
 418           "gx="<<gx<<
 419           "gy="<<gy<<
 420           "Sector="<<sector<<
 421           "Row="<<row<<
 422           "Pad="<<pad<<
 423           "Time="<<time<<
 424           "RMS="<<rms<<
 425           "Time0="<<mean<<
 426           "Sigma0="<<sigma<<
 427           "TimeS0="<<meanS[sector]<<
 428           "SigmaS0="<<sigmaS[sector]<<
 429           "npad0="<<ngood<<
 430           "npadS="<<npadS<<
 431           "Max="<<qMax<<
 432           "Sum="<<qSum<<
 433           "\n";
 434       }
 435       treece->GetEvent(ientry);
 436       fentry = ientry;
 437       count++;
 438       for (Int_t isector=0;isector<72; isector++){
 439         firstS[isector]=-1;
 440         lastS[isector] =-1;
 441       }
 442     }
 443     lastSector=sector;
 444   }
 445 }
 446
 447
 448
 449
 450 TChain *MakeChainCL(Int_t first, Int_t last){
 451   TChain *chaincl = new TChain("TreeR","TreeR");
 452   //
 453   char fname[100];
 454   for (Int_t i=first;i<last; i++){
 455     if (i>0) sprintf(fname,"TPC.RecPoints%d.root/Event%d/TreeR",i,i);
 456     if (i==0) sprintf(fname,"TPC.RecPoints.root/Event%d/TreeR",i);
 457     chaincl->Add(fname);
 458   }
 459   return chaincl;
 460 }
 461
 462 TTree* GetTree(Int_t ievent){
 463   char fname[100];
 464   char tname[100];
 465   if (ievent>0) sprintf(fname,"TPC.RecPoints%d.root",ievent);
 466   if (ievent==0) sprintf(fname,"TPC.RecPoints.root");
 467   sprintf(tname,"Event%d/TreeR",ievent);
 468   TFile * f  = new TFile(fname);
 469   TTree * tree = (TTree*)f->Get(tname);
 470   return tree;
 471
 472 }