TPC/AliTPCcalibCosmic.cxx

   1 /**************************************************************************
   2  * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
   3  *                                                                        *
   4  * Author: The ALICE Off-line Project.                                    *
   5  * Contributors are mentioned in the code where appropriate.              *
   6  *                                                                        *
   7  * Permission to use, copy, modify and distribute this software and its   *
   8  * documentation strictly for non-commercial purposes is hereby granted   *
   9  * without fee, provided that the above copyright notice appears in all   *
  10  * copies and that both the copyright notice and this permission notice   *
  11  * appear in the supporting documentation. The authors make no claims     *
  12  * about the suitability of this software for any purpose. It is          *
  13  * provided "as is" without express or implied warranty.                  *
  14  **************************************************************************/
  15
  16 /*
  17     Comments to be written here:
  18     1. What do we calibrate.
  19     2. How to interpret results
  20     3. Simple example
  21     4. Analysis using debug streamers.
  22
  23
  24
  25     3.Simple example
  26     // To make cosmic scan the user interaction neccessary
  27     //
  28     .x ~/UliStyle.C
  29     gSystem->Load("libANALYSIS");
  30     gSystem->Load("libTPCcalib");
  31     TFile fcalib("CalibObjects.root");
  32     TObjArray * array = (TObjArray*)fcalib.Get("TPCCalib");
  33     AliTPCcalibCosmic * cosmic = ( AliTPCcalibCosmic *)array->FindObject("cosmicTPC");
  34
  35
  36
  37 */
  38
  39
  40
  41 #include "Riostream.h"
  42 #include "TChain.h"
  43 #include "TTree.h"
  44 #include "TH1F.h"
  45 #include "TH2F.h"
  46 #include "TList.h"
  47 #include "TMath.h"
  48 #include "TCanvas.h"
  49 #include "TFile.h"
  50 #include "TF1.h"
  51
  52 #include "AliTPCclusterMI.h"
  53 #include "AliTPCseed.h"
  54 #include "AliESDVertex.h"
  55 #include "AliESDEvent.h"
  56 #include "AliESDfriend.h"
  57 #include "AliESDInputHandler.h"
  58 #include "AliAnalysisManager.h"
  59
  60 #include "AliTracker.h"
  61 #include "AliMagF.h"
  62 #include "AliTPCCalROC.h"
  63
  64 #include "AliLog.h"
  65
  66 #include "AliTPCcalibCosmic.h"
  67 #include "AliExternalComparison.h"
  68 #include "TTreeStream.h"
  69 #include "AliTPCTracklet.h"
  70
  71 ClassImp(AliTPCcalibCosmic)
  72
  73
  74 AliTPCcalibCosmic::AliTPCcalibCosmic()
  75   :AliTPCcalibBase(),
  76    fGainMap(0),
  77    fHistNTracks(0),
  78    fClusters(0),
  79    fModules(0),
  80    fHistPt(0),
  81    fDeDx(0),
  82    fDeDxMIP(0),
  83    fMIPvalue(1),
  84    fCutMaxD(5),        // maximal distance in rfi ditection
  85    fCutMaxDz(40),      // maximal distance in z ditection
  86    fCutTheta(0.03),    // maximal distan theta
  87    fCutMinDir(-0.99)   // direction vector products
  88 {
  89   AliInfo("Default Constructor");
  90 }
  91
  92
  93 AliTPCcalibCosmic::AliTPCcalibCosmic(const Text_t *name, const Text_t *title)
  94   :AliTPCcalibBase(),
  95    fGainMap(0),
  96    fHistNTracks(0),
  97    fClusters(0),
  98    fModules(0),
  99    fHistPt(0),
 100    fDeDx(0),
 101    fDeDxMIP(0),
 102    fMIPvalue(1),
 103    fCutMaxD(5),        // maximal distance in rfi ditection
 104    fCutMaxDz(40),      // maximal distance in z ditection
 105    fCutTheta(0.03),    // maximal distan theta
 106    fCutMinDir(-0.99)   // direction vector products
 107 {
 108   SetName(name);
 109   SetTitle(title);
 110
 111   fHistNTracks = new TH1F("ntracks","Number of Tracks per Event; number of tracks per event; number of tracks",501,-0.5,500.5);
 112   fClusters = new TH1F("signal","Number of Clusters per track; number of clusters per track n_{cl}; counts",160,0,160);
 113   fModules = new TH2F("sector","Acorde hits; z (cm); x(cm)",1200,-650,650,600,-700,700);
 114   fHistPt = new TH1F("Pt","Pt distribution; p_{T} (GeV); counts",2000,0,50);
 115   fDeDx = new TH2F("DeDx","dEdx; momentum p (GeV); TPC signal (a.u.)",500,0.01,100.,500,2.,1000);
 116   BinLogX(fDeDx);
 117   fDeDxMIP =  new TH1F("DeDxMIP","MIP region; TPC signal (a.u.);counts ",500,2.,1000);
 118
 119   AliInfo("Non Default Constructor");
 120   //
 121 }
 122
 123 AliTPCcalibCosmic::~AliTPCcalibCosmic(){
 124   //
 125   //
 126   //
 127 }
 128
 129
 130
 131
 132
 133 void AliTPCcalibCosmic::Process(AliESDEvent *event) {
 134   //
 135   //
 136   //
 137   if (!event) {
 138     Printf("ERROR: ESD not available");
 139     return;
 140   }
 141   AliESDfriend *ESDfriend=static_cast<AliESDfriend*>(event->FindListObject("AliESDfriend"));
 142   if (!ESDfriend) {
 143    Printf("ERROR: ESDfriend not available");
 144    return;
 145   }
 146
 147
 148   FindPairs(event); // nearly everything takes place in find pairs...
 149
 150   if (GetDebugLevel()>20) printf("Hallo world: Im here and processing an event\n");
 151   Int_t ntracks=event->GetNumberOfTracks();
 152   fHistNTracks->Fill(ntracks);
 153   if (ntracks==0) return;
 154
 155 }
 156
 157
 158
 159 void AliTPCcalibCosmic::Analyze() {
 160
 161   fMIPvalue = CalculateMIPvalue(fDeDxMIP);
 162
 163   return;
 164
 165 }
 166
 167
 168
 169 void AliTPCcalibCosmic::FindPairs(AliESDEvent *event) {
 170   //
 171   // Find cosmic pairs
 172   //
 173   // Track0 is choosen in upper TPC part
 174   // Track1 is choosen in lower TPC part
 175   //
 176   if (GetDebugLevel()>20) printf("Hallo world: Im here\n");
 177   AliESDfriend *ESDfriend=static_cast<AliESDfriend*>(event->FindListObject("AliESDfriend"));
 178   Int_t ntracks=event->GetNumberOfTracks();
 179   TObjArray  tpcSeeds(ntracks);
 180   if (ntracks==0) return;
 181   Double_t vtxx[3]={0,0,0};
 182   Double_t svtxx[3]={0.000001,0.000001,100.};
 183   AliESDVertex vtx(vtxx,svtxx);
 184   //
 185   //track loop
 186   //
 187   for (Int_t i=0;i<ntracks;++i) {
 188    AliESDtrack *track = event->GetTrack(i);
 189    fClusters->Fill(track->GetTPCNcls());
 190
 191    const AliExternalTrackParam * trackIn = track->GetInnerParam();
 192    const AliExternalTrackParam * trackOut = track->GetOuterParam();
 193    if (!trackIn) continue;
 194    if (!trackOut) continue;
 195    if (ntracks>4 && TMath::Abs(trackIn->GetTgl())<0.0015) continue;  // filter laser
 196
 197
 198    AliESDfriendTrack *friendTrack = ESDfriend->GetTrack(i);
 199    TObject *calibObject;
 200    AliTPCseed *seed = 0;
 201    for (Int_t l=0;(calibObject=friendTrack->GetCalibObject(l));++l) {
 202      if ((seed=dynamic_cast<AliTPCseed*>(calibObject))) break;
 203    }
 204    if (seed) tpcSeeds.AddAt(seed,i);
 205
 206    Double_t meanP = 0.5*(trackIn->GetP() + trackOut->GetP());
 207    if (seed && track->GetTPCNcls() > 80 + 60/(1+TMath::Exp(-meanP+5))) {
 208      fDeDx->Fill(meanP, seed->CookdEdxNorm(0.0,0.45,0,0,159,fGainMap));
 209      //
 210      if (meanP > 0.4 && meanP < 0.45) fDeDxMIP->Fill(seed->CookdEdxNorm(0.0,0.45,0,0,159,fGainMap));
 211      //
 212      if (GetDebugLevel()>0&&meanP>0.2&&seed->CookdEdxNorm(0.0,0.45,0,0,159,fGainMap)>300) {
 213        TFile *curfile = AliAnalysisManager::GetAnalysisManager()->GetTree()->GetCurrentFile();
 214        if (curfile) printf(">>> p+ in file: %s \t event: %i \t Number of ESD tracks: %i \n", curfile->GetName(), (int)event->GetEventNumberInFile(), (int)ntracks);
 215        if (track->GetOuterParam()->GetAlpha()<0) cout << " Polartiy: " << track->GetSign() << endl;
 216      }
 217
 218    }
 219
 220   }
 221
 222   if (ntracks<2) return;
 223   //
 224   // Find pairs
 225   //
 226   for (Int_t i=0;i<ntracks;++i) {
 227     AliESDtrack *track0 = event->GetTrack(i);
 228     // track0 - choosen upper part
 229     if (!track0) continue;
 230     if (!track0->GetOuterParam()) continue;
 231     if (track0->GetOuterParam()->GetAlpha()<0) continue;
 232     Double_t dir0[3];
 233     track0->GetDirection(dir0);
 234     for (Int_t j=0;j<ntracks;++j) {
 235       if (i==j) continue;
 236       AliESDtrack *track1 = event->GetTrack(j);
 237       //track 1 lower part
 238       if (!track1) continue;
 239       if (!track1->GetOuterParam()) continue;
 240       if (track1->GetOuterParam()->GetAlpha()>0) continue;
 241       //
 242       Double_t dir1[3];
 243       track1->GetDirection(dir1);
 244
 245       AliTPCseed * seed0 = (AliTPCseed*) tpcSeeds.At(i);
 246       AliTPCseed * seed1 = (AliTPCseed*) tpcSeeds.At(j);
 247       if (! seed0) continue;
 248       if (! seed1) continue;
 249       Float_t dedx0 = seed0->CookdEdxNorm(0.05,0.55,0,0,159,fGainMap);
 250       Float_t dedx1 = seed1->CookdEdxNorm(0.05,0.55,0,0,159,fGainMap);
 251       //
 252       Float_t dedx0I = seed0->CookdEdxNorm(0.05,0.55,0,0,63,fGainMap);
 253       Float_t dedx1I = seed1->CookdEdxNorm(0.05,0.55,0,0,63,fGainMap);
 254       //
 255       Float_t dedx0O = seed0->CookdEdxNorm(0.05,0.55,0,64,159,fGainMap);
 256       Float_t dedx1O = seed1->CookdEdxNorm(0.05,0.55,0,64,159,fGainMap);
 257       //
 258       Float_t dir = (dir0[0]*dir1[0] + dir0[1]*dir1[1] + dir0[2]*dir1[2]);
 259       Float_t d0  = track0->GetLinearD(0,0);
 260       Float_t d1  = track1->GetLinearD(0,0);
 261       //
 262       // conservative cuts - convergence to be guarantied
 263       // applying before track propagation
 264       if (TMath::Abs(d0+d1)>fCutMaxD) continue;   // distance to the 0,0
 265       if (dir>fCutMinDir) continue;               // direction vector product
 266       Float_t bz = AliTracker::GetBz();
 267       Float_t dvertex0[2];   //distance to 0,0
 268       Float_t dvertex1[2];   //distance to 0,0
 269       track0->GetDZ(0,0,0,bz,dvertex0);
 270       track1->GetDZ(0,0,0,bz,dvertex1);
 271       if (TMath::Abs(dvertex0[1])>250) continue;
 272       if (TMath::Abs(dvertex1[1])>250) continue;
 273       //
 274       //
 275       //
 276       Float_t dmax = TMath::Max(TMath::Abs(d0),TMath::Abs(d1));
 277       AliExternalTrackParam param0(*track0);
 278       AliExternalTrackParam param1(*track1);
 279       //
 280       // Propagate using Magnetic field and correct fo material budget
 281       //
 282       AliTracker::PropagateTrackTo(&param0,dmax+1,0.0005,3,kTRUE);
 283       AliTracker::PropagateTrackTo(&param1,dmax+1,0.0005,3,kTRUE);
 284       //
 285       // Propagate rest to the 0,0 DCA - z should be ignored
 286       //
 287       Bool_t b0 = param0.PropagateToDCA(&vtx,bz,1000);
 288       Bool_t b1 = param1.PropagateToDCA(&vtx,bz,1000);
 289       //
 290       param0.GetDZ(0,0,0,bz,dvertex0);
 291       param1.GetDZ(0,0,0,bz,dvertex1);
 292       if (TMath::Abs(param0.GetZ()-param1.GetZ())>fCutMaxDz) continue;
 293       //
 294       Double_t xyz0[3];//,pxyz0[3];
 295       Double_t xyz1[3];//,pxyz1[3];
 296       param0.GetXYZ(xyz0);
 297       param1.GetXYZ(xyz1);
 298       Bool_t isPair = IsPair(&param0,&param1);
 299       //
 300       if (isPair) FillAcordeHist(track0);
 301       //
 302       if (fStreamLevel>0){
 303         TTreeSRedirector * cstream =  GetDebugStreamer();
 304         //printf("My stream=%p\n",(void*)cstream);
 305         AliExternalTrackParam *ip0 = (AliExternalTrackParam *)track0->GetInnerParam();
 306         AliExternalTrackParam *ip1 = (AliExternalTrackParam *)track1->GetInnerParam();
 307         AliExternalTrackParam *op0 = (AliExternalTrackParam *)track0->GetOuterParam();
 308         AliExternalTrackParam *op1 = (AliExternalTrackParam *)track1->GetOuterParam();
 309         Bool_t isCrossI = ip0->GetZ()*ip1->GetZ()<0;
 310         Bool_t isCrossO = op0->GetZ()*op1->GetZ()<0;
 311         Double_t alpha0 = TMath::ATan2(dir0[1],dir0[0]);
 312         Double_t alpha1 = TMath::ATan2(dir1[1],dir1[0]);
 313         if (cstream) {
 314           (*cstream) << "Track0" <<
 315             "run="<<fRun<<              //  run number
 316             "event="<<fEvent<<          //  event number
 317             "time="<<fTime<<            //  time stamp of event
 318             "trigger="<<fTrigger<<      //  trigger
 319             "mag="<<fMagF<<             //  magnetic field
 320             "dir="<<dir<<               //  direction
 321             "OK="<<isPair<<             //  will be accepted
 322             "b0="<<b0<<                 //  propagate status
 323             "b1="<<b1<<                 //  propagate status
 324             "crossI="<<isCrossI<<       //  cross inner
 325             "crossO="<<isCrossO<<       //  cross outer
 326             //
 327             "Orig0.=" << track0 <<      //  original track  0
 328             "Orig1.=" << track1 <<      //  original track  1
 329             "Tr0.="<<&param0<<          //  track propagated to the DCA 0,0
 330             "Tr1.="<<&param1<<          //  track propagated to the DCA 0,0
 331             "Ip0.="<<ip0<<              //  inner param - upper
 332             "Ip1.="<<ip1<<              //  inner param - lower
 333             "Op0.="<<op0<<              //  outer param - upper
 334             "Op1.="<<op1<<              //  outer param - lower
 335             //
 336             "v00="<<dvertex0[0]<<       //  distance using kalman
 337             "v01="<<dvertex0[1]<<       //
 338             "v10="<<dvertex1[0]<<       //
 339             "v11="<<dvertex1[1]<<       //
 340             "d0="<<d0<<                 //  linear distance to 0,0
 341             "d1="<<d1<<                 //  linear distance to 0,0
 342             //
 343             //
 344             //
 345             "x00="<<xyz0[0]<<           // global position close to vertex
 346             "x01="<<xyz0[1]<<
 347             "x02="<<xyz0[2]<<
 348             //
 349             "x10="<<xyz1[0]<<           // global position close to vertex
 350             "x11="<<xyz1[1]<<
 351             "x12="<<xyz1[2]<<
 352             //
 353             "alpha0="<<alpha0<<
 354             "alpha1="<<alpha1<<
 355             "dir00="<<dir0[0]<<           // direction upper
 356             "dir01="<<dir0[1]<<
 357             "dir02="<<dir0[2]<<
 358             //
 359             "dir10="<<dir1[0]<<           // direction lower
 360             "dir11="<<dir1[1]<<
 361             "dir12="<<dir1[2]<<
 362             //
 363             //
 364             "Seed0.=" << seed0 <<       //  original seed 0
 365             "Seed1.=" << seed1 <<       //  original seed 1
 366             //
 367             "dedx0="<<dedx0<<           //  dedx0 - all
 368             "dedx1="<<dedx1<<           //  dedx1 - all
 369             //
 370             "dedx0I="<<dedx0I<<         //  dedx0 - inner ROC
 371             "dedx1I="<<dedx1I<<         //  dedx1 - inner ROC
 372             //
 373             "dedx0O="<<dedx0O<<         //  dedx0 - outer ROC
 374             "dedx1O="<<dedx1O<<         //  dedx1 - outer ROC
 375             "\n";
 376         }
 377       }
 378     }
 379   }
 380 }
 381
 382
 383
 384
 385 void  AliTPCcalibCosmic::FillAcordeHist(AliESDtrack *upperTrack) {
 386
 387   // Pt cut to select straight tracks which can be easily propagated to ACORDE which is outside the magnetic field
 388   if (upperTrack->Pt() < 10 || upperTrack->GetTPCNcls() < 80) return;
 389
 390   const Double_t AcordePlane = 850.; // distance of the central Acorde detectors to the beam line at y =0
 391   const Double_t roof = 210.5;       // distance from x =0 to end of magnet roof
 392
 393   Double_t r[3];
 394   upperTrack->GetXYZ(r);
 395   Double_t d[3];
 396   upperTrack->GetDirection(d);
 397   Double_t x,z;
 398   z = r[2] + (d[2]/d[1])*(AcordePlane - r[1]);
 399   x = r[0] + (d[0]/d[1])*(AcordePlane - r[1]);
 400
 401   if (x > roof) {
 402     x = r[0] + (d[0]/(d[0]+d[1]))*(AcordePlane+roof-r[0]-r[1]);
 403     z = r[2] + (d[2]/(d[0]+d[1]))*(AcordePlane+roof-r[0]-r[1]);
 404   }
 405   if (x < -roof) {
 406     x = r[0] + (d[0]/(d[1]-d[0]))*(AcordePlane+roof+r[0]-r[1]);
 407     z = r[2] + (d[2]/(d[1]-d[0]))*(AcordePlane+roof+r[0]-r[1]);
 408   }
 409
 410   fModules->Fill(z, x);
 411
 412 }
 413
 414
 415
 416 Long64_t AliTPCcalibCosmic::Merge(TCollection *li) {
 417
 418   TIterator* iter = li->MakeIterator();
 419   AliTPCcalibCosmic* cal = 0;
 420
 421   while ((cal = (AliTPCcalibCosmic*)iter->Next())) {
 422     if (!cal->InheritsFrom(AliTPCcalibCosmic::Class())) {
 423       //Error("Merge","Attempt to add object of class %s to a %s", cal->ClassName(), this->ClassName());
 424       return -1;
 425     }
 426
 427     fHistNTracks->Add(cal->GetHistNTracks());
 428     fClusters->Add(cal-> GetHistClusters());
 429     fModules->Add(cal->GetHistAcorde());
 430     fHistPt->Add(cal->GetHistPt());
 431     fDeDx->Add(cal->GetHistDeDx());
 432     fDeDxMIP->Add(cal->GetHistMIP());
 433
 434   }
 435
 436   return 0;
 437
 438 }
 439
 440
 441 Bool_t  AliTPCcalibCosmic::IsPair(AliExternalTrackParam *tr0, AliExternalTrackParam *tr1){
 442   //
 443   //
 444   /*
 445   // 0. Same direction - OPOSITE  - cutDir +cutT
 446   TCut cutDir("cutDir","dir<-0.99")
 447   // 1.
 448   TCut cutT("cutT","abs(Tr1.fP[3]+Tr0.fP[3])<0.03")
 449   //
 450   // 2. The same rphi
 451   TCut cutD("cutD","abs(Tr0.fP[0]+Tr1.fP[0])<5")
 452   //
 453   //
 454   //
 455   TCut cutPt("cutPt","abs(Tr1.fP[4]+Tr0.fP[4])<1&&abs(Tr0.fP[4])+abs(Tr1.fP[4])<10");
 456   // 1/Pt diff cut
 457   */
 458   const Double_t *p0 = tr0->GetParameter();
 459   const Double_t *p1 = tr1->GetParameter();
 460   if (TMath::Abs(p0[3]+p1[3])>fCutTheta) return kFALSE;
 461   if (TMath::Abs(p0[1]-p1[1])>fCutMaxDz) return kFALSE;
 462   if (TMath::Abs(p0[0]+p1[0])>fCutMaxD)  return kFALSE;
 463
 464   Double_t d0[3], d1[3];
 465   tr0->GetDirection(d0);
 466   tr1->GetDirection(d1);
 467   if (d0[0]*d1[0] + d0[1]*d1[1] + d0[2]*d1[2] >fCutMinDir) return kFALSE;
 468   //
 469   return kTRUE;
 470 }
 471
 472
 473
 474 Double_t AliTPCcalibCosmic::CalculateMIPvalue(TH1F * hist) {
 475
 476   TF1 * funcDoubleGaus = new TF1("funcDoubleGaus", "gaus(0)+gaus(3)",0,1000);
 477   funcDoubleGaus->SetParameters(hist->GetEntries()*0.75,hist->GetMean()/1.3,hist->GetMean()*0.10,
 478                                 hist->GetEntries()*0.25,hist->GetMean()*1.3,hist->GetMean()*0.10);
 479   hist->Fit(funcDoubleGaus);
 480   Double_t MIPvalue = TMath::Min(funcDoubleGaus->GetParameter(1),funcDoubleGaus->GetParameter(4));
 481
 482   delete funcDoubleGaus;
 483
 484   return MIPvalue;
 485
 486 }
 487
 488
 489
 490
 491 void AliTPCcalibCosmic::CalculateBetheParams(TH2F */*hist*/, Double_t * /*initialParam*/) {
 492   //
 493   // Not implemented yet
 494   //
 495   return;
 496
 497 }
 498
 499
 500 void AliTPCcalibCosmic::BinLogX(TH1 *h) {
 501
 502   // Method for the correct logarithmic binning of histograms
 503
 504   TAxis *axis = h->GetXaxis();
 505   int bins = axis->GetNbins();
 506
 507   Double_t from = axis->GetXmin();
 508   Double_t to = axis->GetXmax();
 509   Double_t *new_bins = new Double_t[bins + 1];
 510
 511   new_bins[0] = from;
 512   Double_t factor = pow(to/from, 1./bins);
 513
 514   for (int i = 1; i <= bins; i++) {
 515    new_bins[i] = factor * new_bins[i-1];
 516   }
 517   axis->Set(bins, new_bins);
 518   delete new_bins;
 519
 520 }
 521
 522 AliExternalTrackParam *AliTPCcalibCosmic::Invert(AliExternalTrackParam *input)
 523 {
 524   //
 525   // Invert paramerameter  - not covariance yet
 526   //
 527   AliExternalTrackParam *output = new AliExternalTrackParam(*input);
 528   Double_t * param = (Double_t*)output->GetParameter();
 529   param[0]*=-1;
 530   param[3]*=-1;
 531   param[4]*=-1;
 532   //
 533   return output;
 534 }
 535
 536 AliExternalTrackParam *AliTPCcalibCosmic::MakeTrack(const AliExternalTrackParam *track0, const AliExternalTrackParam *track1){
 537   //
 538   //
 539   //
 540   AliExternalTrackParam *par1R= new AliExternalTrackParam(*track1);
 541   par1R->Rotate(track0->GetAlpha());
 542   //
 543   //
 544   Double_t * param = (Double_t*)par1R->GetParameter();
 545   Double_t * covar = (Double_t*)par1R->GetCovariance();
 546   param[0]*=1;  //OK
 547   param[1]*=1;  //OK
 548   param[2]*=1;  //?
 549   param[3]*=-1; //OK
 550   param[4]*=-1; //OK
 551   //
 552   covar[6] *=-1.; covar[7] *=-1.; covar[8] *=-1.;
 553   //covar[10]*=-1.; covar[11]*=-1.; covar[12]*=-1.;
 554   covar[13]*=-1.;
 555   par1R->PropagateTo(track0->GetX(),0); // bz shold be set -
 556   //if (1){
 557   //  printf("Print param\n");
 558   //  track1->Print();
 559   //  par1R->Print();
 560   //}
 561   return par1R;
 562 }
 563
 564 void AliTPCcalibCosmic::UpdateTrack(AliExternalTrackParam &track1, const AliExternalTrackParam &track2){
 565   //
 566   // Update track 1 with track 2
 567   //
 568   //
 569   //
 570   TMatrixD vecXk(5,1);    // X vector
 571   TMatrixD covXk(5,5);    // X covariance
 572   TMatrixD matHk(5,5);    // vector to mesurement
 573   TMatrixD measR(5,5);    // measurement error
 574   TMatrixD vecZk(5,1);    // measurement
 575   //
 576   TMatrixD vecYk(5,1);    // Innovation or measurement residual
 577   TMatrixD matHkT(5,5);
 578   TMatrixD matSk(5,5);    // Innovation (or residual) covariance
 579   TMatrixD matKk(5,5);    // Optimal Kalman gain
 580   TMatrixD mat1(5,5);     // update covariance matrix
 581   TMatrixD covXk2(5,5);   //
 582   TMatrixD covOut(5,5);
 583   //
 584   Double_t *param1=(Double_t*) track1.GetParameter();
 585   Double_t *covar1=(Double_t*) track1.GetCovariance();
 586   Double_t *param2=(Double_t*) track2.GetParameter();
 587   Double_t *covar2=(Double_t*) track2.GetCovariance();
 588   //
 589   // copy data to the matrix
 590   for (Int_t ipar=0; ipar<5; ipar++){
 591     vecXk(ipar,0) = param1[ipar];
 592     vecZk(ipar,0) = param2[ipar];
 593     for (Int_t jpar=0; jpar<5; jpar++){
 594       covXk(ipar,jpar) = covar1[track1.GetIndex(ipar, jpar)];
 595       measR(ipar,jpar) = covar2[track2.GetIndex(ipar, jpar)];
 596     }
 597   }
 598   //
 599   //
 600   //
 601   //
 602   matHk(0,0)=1; matHk(1,1)= 1; matHk(2,2)= 1;
 603   matHk(3,3)= 1;    matHk(4,4)= 1;           // vector to measurement
 604   //
 605   vecYk = vecZk-matHk*vecXk;                 // Innovation or measurement residual
 606   matHkT=matHk.T(); matHk.T();
 607   matSk = (matHk*(covXk*matHkT))+measR;      // Innovation (or residual) covariance
 608   matSk.Invert();
 609   matKk = (covXk*matHkT)*matSk;              //  Optimal Kalman gain
 610   vecXk += matKk*vecYk;                      //  updated vector
 611   mat1(0,0)=1; mat1(1,1)=1; mat1(2,2)=1; mat1(3,3)=1; mat1(4,4)=1;
 612   covXk2 = (mat1-(matKk*matHk));
 613   covOut =  covXk2*covXk;
 614   //
 615   //
 616   //
 617   // copy from matrix to parameters
 618   if (0) {
 619     vecXk.Print();
 620     vecZk.Print();
 621     //
 622     measR.Print();
 623     covXk.Print();
 624     covOut.Print();
 625     //
 626     track1.Print();
 627     track2.Print();
 628   }
 629
 630   for (Int_t ipar=0; ipar<5; ipar++){
 631     param1[ipar]= vecXk(ipar,0) ;
 632     for (Int_t jpar=0; jpar<5; jpar++){
 633       covar1[track1.GetIndex(ipar, jpar)]=covOut(ipar,jpar);
 634     }
 635   }
 636 }
 637
 638 void AliTPCcalibCosmic::ProcessTree(TTree * chainTracklet, AliExternalComparison *comp){
 639   //
 640   // Process the debug streamer tree
 641   // Possible to modify selection criteria
 642   //
 643   TTreeSRedirector * cstream = new TTreeSRedirector("cosmicdump.root");
 644   //AliTPCcalibCosmic *cosmic = this;
 645   //
 646   AliExternalTrackParam * tr0 = 0;
 647   AliExternalTrackParam * tr1 = 0;
 648   Int_t npoints =0;
 649   {
 650     Int_t entries=chainTracklet->GetEntries();
 651     for (Int_t i=0; i< entries; i++){
 652       chainTracklet->GetBranch("Tr0.")->SetAddress(&tr0);
 653       chainTracklet->GetBranch("Tr1.")->SetAddress(&tr1);
 654       chainTracklet->GetEntry(i);
 655       if (!tr0) continue;
 656       if (!tr1) continue;
 657       if (tr0->GetY()==0) continue;
 658       if (tr1->GetY()==0) continue;
 659       // make a local copy
 660       AliExternalTrackParam par0(*tr0);
 661       AliExternalTrackParam par1(*tr1);
 662       AliExternalTrackParam par1R(*tr1);
 663       par1R.Rotate(par1.GetAlpha()+TMath::Pi());
 664       AliExternalTrackParam *par1T = MakeTrack(tr0,tr1);
 665       if (0) {
 666         printf("%d\t%d\t\n",i, npoints);
 667         par1R.Print();
 668         par1T->Print();
 669       }
 670       AliExternalTrackParam par0U=par0;
 671       AliExternalTrackParam par1U=*par1T;
 672       //
 673       UpdateTrack(par0U,*par1T);
 674       UpdateTrack(par1U,par0);
 675       //
 676       //
 677       if (i%100==0) printf("%d\t%d\tt\n",i, npoints);
 678       Bool_t accept =   comp->AcceptPair(&par0,par1T);
 679
 680       if (1||fStreamLevel>0){
 681         (*cstream)<<"Tracklet"<<
 682           "accept="<<accept<<
 683           "tr0.="<<&par0<<       //original track  up
 684           "tr1.="<<&par1<<       //original track  down
 685           "tr1R.="<<&par1R<<     //track1 rotated to  0 frame
 686           "tr1T.="<<par1T<<      //track1 transformed to the track 0 frame
 687           //
 688           "tr0U.="<<&par0U<<     //track 0 updated with track 1
 689           "tr1U.="<<&par1U<<     //track 1 updated with track 0
 690           "\n";
 691       }
 692       //
 693       if (accept) {
 694         npoints++;
 695         if (comp) comp->Process(&par0,par1T);
 696       }
 697       delete par1T;
 698     }
 699   }
 700   delete cstream;
 701 }
 702
 703
 704
 705
 706
 707
 708
 709 /*
 710
 711 void Init(){
 712
 713 .x ~/UliStyle.C
 714 .x ~/rootlogon.C
 715 gSystem->Load("libSTAT.so");
 716 gSystem->Load("libANALYSIS");
 717 gSystem->Load("libTPCcalib");
 718 gSystem->AddIncludePath("-I$ALICE_ROOT/TPC/macros");
 719
 720 gROOT->LoadMacro("$ALICE_ROOT/TPC/macros/AliXRDPROOFtoolkit.cxx+")
 721 AliXRDPROOFtoolkit tool;
 722 TChain * chainCosmic = tool.MakeChain("cosmic.txt","Track0",0,1000000);
 723 chainCosmic->Lookup();
 724
 725 TCut cutT("cutT","abs(Tr1.fP[3]+Tr0.fP[3])<0.01");  // OK
 726 TCut cutD("cutD","abs(Tr0.fP[0]+Tr1.fP[0])<2");     // OK
 727 TCut cutP1("cutP1","abs(Tr0.fP[1]-Tr1.fP[1])<20");   // OK
 728 TCut cutPt("cutPt","abs(Tr1.fP[4]+Tr0.fP[4])<0.1&&abs(Tr0.fP[4])+abs(Tr1.fP[4])<10");
 729 TCut cutN("cutN","min(Orig0.fTPCncls,Orig1.fTPCncls)>50");
 730 TCut cutM("cutM","abs(mag)>0.01");
 731 TCut cutA=cutT+cutD+cutPt+cutN+cutP1+"trigger!=16";
 732
 733 TCut cuthpt("abs(Tr0.fP[4])+abs(Tr1.fP[4])<0.2");
 734 TCut cutS("cutS","Orig0.fIp.fP[1]*Orig1.fIp.fP[1]>0");
 735
 736 //
 737 chainCosmic->Draw(">>listELP",cutA,"entryList");
 738 //TEntryList *elist = (TEntryList*)gDirectory->Get("listEL");
 739 //TEntryList *elist = (TEntryList*)gProof->GetOutputList()->At(1);
 740 chainCosmic->SetEntryList(elist);
 741 //
 742 chainCosmic->Draw(">>listV40Z100","abs(d0)<40&&abs(v01)<100","entryList");
 743 TEntryList *elistV40Z100 = (TEntryList*)gDirectory->Get("listV40Z100");
 744 chainCosmic->SetEntryList(elistV40Z100);
 745
 746 //
 747 // Aliases
 748 //
 749 chainCosmic->SetAlias("side","(-1+(Tr0.fP[1]>0)*2)");
 750 chainCosmic->SetAlias("hpt","abs(Tr0.fP[4])<0.2");
 751 chainCosmic->SetAlias("signy","(-1+(Tr0.fP[0]>0)*2)");
 752
 753 chainCosmic->SetAlias("dy","Tr0.fP[0]+Tr1.fP[0]");
 754 chainCosmic->SetAlias("dz","Tr0.fP[1]-Tr1.fP[1]");
 755 chainCosmic->SetAlias("d1pt","Tr0.fP[4]+Tr1.fP[4]");
 756 chainCosmic->SetAlias("dtheta","(Tr0.fP[3]+Tr1.fP[3])");
 757 chainCosmic->SetAlias("dphi","(Tr0.fAlpha-Tr1.fAlpha-pi)");
 758
 759 chainCosmic->SetAlias("mtheta","(Tr0.fP[3]-Tr1.fP[3])*0.5")
 760 chainCosmic->SetAlias("sa","(sin(Tr0.fAlpha+0.))");
 761 chainCosmic->SetAlias("ca","(cos(Tr0.fAlpha+0.))");
 762
 763
 764
 765 chainCosmic->Draw("dy:sqrt(abs(Tr0.fP[4]))>>hisdyA(5,0,1,50,-1,1)","!crossO&&!crossI&&abs(d0)<40&&Tr0.fP[1]>0");
 766 hisdyA->FitSlicesY();
 767 hisdyA_2->SetXTitle("#sqrt{1/p_{t}}");
 768 hisdyA_2->SetYTitle("#sigma_{y}(cm)");
 769 hisdyA_2->SetTitle("Cosmic - Y matching");
 770 hisdyA_2->SetMaximum(0.5);
 771
 772
 773 chainCosmic->Draw("dy:sqrt(abs(Tr0.fP[4]))>>hisdyC(5,0,1,50,-1,1)","!crossO&&!crossI&&abs(d0)<40&&Tr0.fP[1]<0");
 774 hisdyC->FitSlicesY();
 775 hisdyC_2->SetXTitle("#sqrt{1/p_{t}}");
 776 hisdyC_2->SetYTitle("#sigma_{y}(cm)");
 777 hisdyC_2->SetTitle("Cosmic - Y matching");
 778 hisdyC_2->SetMaximum(1);
 779 hisdyC_2->SetMinimum(0);
 780 hisdyC_2->SetMarkerStyle(22);
 781 hisdyA_2->SetMarkerStyle(21);
 782 hisdyC_2->SetMarkerSize(1.5);
 783 hisdyA_2->SetMarkerSize(1.5);
 784 hisdyC_2->Draw();
 785 hisdyA_2->Draw("same");
 786 gPad->SaveAs("~/Calibration/Cosmic/pic/ymatching.gif")
 787
 788 chainCosmic->Draw("dz:sqrt(abs(Tr0.fP[4]))>>hisdzA(5,0,1,50,-1,1)","!crossO&&!crossI&&abs(d0)<40&&Tr0.fP[1]>0");
 789 hisdzA->FitSlicesY();
 790 hisdzA_2->SetXTitle("#sqrt{1/p_{t}}");
 791 hisdzA_2->SetYTitle("#sigma_{z}(cm)");
 792 hisdzA_2->SetTitle("Cosmic - Z matching - A side ");
 793 hisdzA_2->SetMaximum(0.5);
 794
 795 chainCosmic->Draw("dz:sqrt(abs(Tr0.fP[4]))>>hisdzC(5,0,1,50,-1,1)","!crossO&&!crossI&&abs(d0)<40&&Tr0.fP[1]<0");
 796 hisdzC->FitSlicesY();
 797 hisdzC_2->SetXTitle("#sqrt{1/p_{t}}");
 798 hisdzC_2->SetYTitle("#sigma_{z}(cm)");
 799 hisdzC_2->SetTitle("Cosmic - Z matching");
 800 hisdzC_2->SetMaximum(0.5);
 801 hisdzC_2->SetMarkerStyle(22);
 802 hisdzA_2->SetMarkerStyle(21);
 803 hisdzC_2->SetMarkerSize(1.5);
 804 hisdzA_2->SetMarkerSize(1.5);
 805
 806 hisdzC_2->Draw();
 807 hisdzA_2->Draw("same");
 808
 809
 810 //
 811 // PICTURE 1/pt
 812 //
 813 chainCosmic->Draw("d1pt:sqrt(abs(Tr0.fP[4]))>>hisd1ptA(5,0,1,30,-0.1,0.1)","!crossO&&!crossI&&abs(d0)<40&&Tr0.fP[1]>0"+cutM);
 814 hisd1ptA->FitSlicesY();
 815 hisd1ptA_2->SetXTitle("#sqrt{1/p_{t}}");
 816 hisd1ptA_2->SetYTitle("#sigma_{z}(cm)");
 817 hisd1ptA_2->SetTitle("Cosmic - Z matching - A side ");
 818 hisd1ptA_2->SetMaximum(0.5);
 819
 820 chainCosmic->Draw("d1pt:sqrt(abs(Tr0.fP[4]))>>hisd1ptC(5,0,1,30,-0.1,0.1)","!crossO&&!crossI&&abs(d0)<40&&Tr0.fP[1]<0"+cutM);
 821 hisd1ptC->FitSlicesY();
 822 hisd1ptC_2->SetXTitle("#sqrt{1/p_{t}}");
 823 hisd1ptC_2->SetYTitle("#sigma_{1/pt}(1/GeV)");
 824 hisd1ptC_2->SetTitle("Cosmic - 1/pt matching");
 825 hisd1ptC_2->SetMaximum(0.05);
 826 hisd1ptC_2->SetMarkerStyle(22);
 827 hisd1ptA_2->SetMarkerStyle(21);
 828 hisd1ptC_2->SetMarkerSize(1.5);
 829 hisd1ptA_2->SetMarkerSize(1.5);
 830
 831 hisd1ptC_2->Draw();
 832 hisd1ptA_2->Draw("same");
 833 gPad->SaveAs("~/Calibration/Cosmic/pic/1ptmatching.gif")
 834
 835 //
 836 // Theta
 837 //
 838 chainCosmic->Draw("dtheta:sqrt(abs(Tr0.fP[4]))>>hisdthetaA(5,0,1,30,-0.01,0.01)","!crossO&&!crossI&&abs(d0)<40&&Tr0.fP[1]>0");
 839 hisdthetaA->FitSlicesY();
 840 hisdthetaA_2->SetXTitle("#sqrt{1/p_{t}}");
 841 hisdthetaA_2->SetYTitle("#sigma_{#theta}(cm)");
 842 hisdthetaA_2->SetTitle("Cosmic - Z matching - A side ");
 843 hisdthetaA_2->SetMaximum(0.5);
 844
 845 chainCosmic->Draw("dtheta:sqrt(abs(Tr0.fP[4]))>>hisdthetaC(5,0,1,30,-0.01,0.01)","!crossO&&!crossI&&abs(d0)<40&&Tr0.fP[1]<0");
 846 hisdthetaC->FitSlicesY();
 847 hisdthetaC_2->SetXTitle("#sqrt{1/p_{t}}");
 848 hisdthetaC_2->SetYTitle("#sigma_{#theta}(rad)");
 849 hisdthetaC_2->SetTitle("Cosmic - Theta matching");
 850 hisdthetaC_2->SetMaximum(0.01);
 851 hisdthetaC_2->SetMinimum(0.0);
 852 hisdthetaC_2->SetMarkerStyle(22);
 853 hisdthetaA_2->SetMarkerStyle(21);
 854 hisdthetaC_2->SetMarkerSize(1.5);
 855 hisdthetaA_2->SetMarkerSize(1.5);
 856
 857 hisdthetaC_2->Draw();
 858 hisdthetaA_2->Draw("same");
 859 gPad->SaveAs("~/Calibration/Cosmic/pic/thetamatching.gif")
 860 //
 861 // Phi
 862 //
 863 chainCosmic->Draw("dphi:sqrt(abs(Tr0.fP[4]))>>hisdphiA(5,0,1,30,-0.01,0.01)","!crossO&&!crossI&&abs(d0)<40&&Tr0.fP[1]>0");
 864 hisdphiA->FitSlicesY();
 865 hisdphiA_2->SetXTitle("#sqrt{1/p_{t}}");
 866 hisdphiA_2->SetYTitle("#sigma_{#phi}(rad)");
 867 hisdphiA_2->SetTitle("Cosmic - Z matching - A side ");
 868 hisdphiA_2->SetMaximum(0.5);
 869
 870 chainCosmic->Draw("dphi:sqrt(abs(Tr0.fP[4]))>>hisdphiC(5,0,1,30,-0.01,0.01)","!crossO&&!crossI&&abs(d0)<40&&Tr0.fP[1]<0");
 871 hisdphiC->FitSlicesY();
 872 hisdphiC_2->SetXTitle("#sqrt{1/p_{t}}");
 873 hisdphiC_2->SetYTitle("#sigma_{#phi}(rad)");
 874 hisdphiC_2->SetTitle("Cosmic - Phi matching");
 875 hisdphiC_2->SetMaximum(0.01);
 876 hisdphiC_2->SetMinimum(0.0);
 877 hisdphiC_2->SetMarkerStyle(22);
 878 hisdphiA_2->SetMarkerStyle(21);
 879 hisdphiC_2->SetMarkerSize(1.5);
 880 hisdphiA_2->SetMarkerSize(1.5);
 881
 882 hisdphiC_2->Draw();
 883 hisdphiA_2->Draw("same");
 884 gPad->SaveAs("~/Calibration/Cosmic/pic/phimatching.gif")
 885
 886
 887
 888 }
 889
 890
 891 */
 892
 893
 894 /*
 895 void MatchTheta(){
 896
 897 TStatToolkit toolkit;
 898 Double_t chi2=0;
 899 Int_t    npoints=0;
 900 TVectorD fitParamA0;
 901 TVectorD fitParamA1;
 902 TVectorD fitParamC0;
 903 TVectorD fitParamC1;
 904 TMatrixD covMatrix;
 905
 906
 907 TString fstring="";
 908 //
 909 fstring+="mtheta++";
 910 fstring+="ca++";
 911 fstring+="sa++";
 912 fstring+="ca*mtheta++";
 913 fstring+="sa*mtheta++";
 914 //
 915 fstring+="side++";
 916 fstring+="side*mtheta++";
 917 fstring+="side*ca++";
 918 fstring+="side*sa++";
 919 fstring+="side*ca*mtheta++";
 920 fstring+="side*sa*mtheta++";
 921
 922
 923 TString *strTheta0 = toolkit.FitPlane(chain,"dtheta",fstring->Data(), "hpt&&!crossI&&!crossO", chi2,npoints,fitParamA0,covMatrix,0.8);
 924 chainCosmic->SetAlias("dtheta0",strTheta0.Data());
 925 strTheta0->Tokenize("+")->Print();
 926
 927
 928 //fstring+="mtheta++";
 929 //fstring+="mtheta^2++";
 930 //fstring+="ca*mtheta^2++";
 931 //fstring+="sa*mtheta^2++";
 932
 933
 934
 935 }
 936
 937 */
 938
 939
 940
 941
 942 /*
 943  void PosCorrection()
 944
 945
 946
 947
 948  TStatToolkit toolkit;
 949  Double_t chi2=0;
 950  Int_t    npoints=0;
 951  TVectorD fitParam;
 952  TMatrixD covMatrix;
 953
 954  //Theta
 955 chainCosmic->SetAlias("dthe","(Tr0.fP[3]+Tr1.fP[3])");
 956 chainCosmic->SetAlias("sign","(-1+(Tr0.fP[1]>0)*2)");
 957 chainCosmic->SetAlias("di","(1-abs(Tr0.fP[1])/250)");
 958 //
 959 //
 960 TString strFit="";
 961 //
 962 strFit+="sign++";                              //1
 963 strFit+="Tr0.fP[3]++";                         //2
 964 //
 965 strFit+="sin(Tr0.fAlpha)*(Tr0.fP[1]>0)++";     //3
 966 strFit+="sin(Tr0.fAlpha)*(Tr0.fP[1]<0)++";     //4
 967 //
 968 strFit+="cos(Tr0.fAlpha)*(Tr0.fP[1]>0)++";     //5
 969 strFit+="cos(Tr0.fAlpha)*(Tr0.fP[1]<0)++";     //6
 970 //
 971 strFit+="sin(Tr0.fAlpha)*Tr0.fP[3]++";         //7
 972 strFit+="cos(Tr0.fAlpha)*Tr0.fP[3]++";         //8
 973
 974
 975  //
 976  TString * thetaParam = toolkit.FitPlane(chain,"dthe", strFit.Data(),"1", chi2,npoints,fitParam,covMatrix,0.8,0,10000)
 977
 978  chainCosmic->SetAlias("corTheta",thetaParam->Data());
 979  chainCosmic->Draw("dthe:Tr0.fP[1]","","",50000);
 980
 981
 982
 983 */
 984
 985
 986
 987 /*
 988
 989 void AliTPCcalibCosmic::dEdxCorrection(){
 990   TCut cutT("cutT","abs(Tr1.fP[3]+Tr0.fP[3])<0.01");  // OK
 991   TCut cutD("cutD","abs(Tr0.fP[0]+Tr1.fP[0])<2");     // OK
 992   TCut cutPt("cutPt","abs(Tr1.fP[4]+Tr0.fP[4])<0.1&&abs(Tr0.fP[4])+abs(Tr1.fP[4])<10");
 993   TCut cutN("cutN","min(Orig0.fTPCncls,Orig1.fTPCncls)>100");
 994   TCut cutS("cutS","Orig0.fIp.fP[1]*Orig1.fIp.fP[1]>0");
 995   TCut cutA=cutT+cutD+cutPt+cutN+cutS;
 996
 997
 998  .x ~/UliStyle.C
 999   gSystem->Load("libANALYSIS");
1000   gSystem->Load("libTPCcalib");
1001   gSystem->AddIncludePath("-I$ALICE_ROOT/TPC/macros");
1002   gROOT->LoadMacro("$ALICE_ROOT/TPC/macros/AliXRDPROOFtoolkit.cxx+")
1003  AliXRDPROOFtoolkit tool;
1004   TChain * chainCosmic = tool.MakeChain("cosmic.txt","Track0",0,1000000);
1005   chainCosmic->Lookup();
1006
1007   chainCosmic->Draw(">>listEL",cutA,"entryList");
1008   TEntryList *elist = (TEntryList*)gDirectory->Get("listEL");
1009   chainCosmic->SetEntryList(elist);
1010
1011   .x ~/rootlogon.C
1012    gSystem->Load("libSTAT.so");
1013    TStatToolkit toolkit;
1014   Double_t chi2=0;
1015   Int_t    npoints=0;
1016   TVectorD fitParam;
1017   TMatrixD covMatrix;
1018
1019   chainCosmic->Draw("Tr0.fP[4]+Tr1.fP[4]","OK"+cutA);
1020
1021   TString strFit;
1022   strFit+="(Tr0.fP[1]/250)++";
1023   strFit+="(Tr0.fP[1]/250)^2++";
1024   strFit+="(Tr0.fP[3])++";
1025   strFit+="(Tr0.fP[3])^2++";
1026
1027   TString * ptParam = TStatToolkit::FitPlane(chain,"Tr0.fP[4]+Tr1.fP[4]", strFit.Data(),"1", chi2,npoints,fitParam,covMatrix)
1028
1029
1030
1031 */
1032
1033
1034 /*
1035 gSystem->Load("libANALYSIS");
1036 gSystem->Load("libSTAT");
1037 gSystem->Load("libTPCcalib");
1038
1039 TStatToolkit toolkit;
1040 Double_t chi2;
1041 TVectorD fitParam;
1042 TMatrixD covMatrix;
1043 Int_t npoints;
1044 //
1045 TCut cutT("cutT","abs(Tr1.fP[3]+Tr0.fP[3])<0.03");  // OK
1046 TCut cutD("cutD","abs(Tr0.fP[0]+Tr1.fP[0])<5");     // OK
1047 TCut cutPt("cutPt","abs(Tr1.fP[4]+Tr0.fP[4])<0.2&&abs(Tr0.fP[4])+abs(Tr1.fP[4])<10");
1048 TCut cutN("cutN","min(Orig0.fTPCncls,Orig1.fTPCncls)>110");
1049 TCut cutA=cutT+cutD+cutPt+cutN;
1050
1051
1052
1053 TTree * chainCosmic = Track0;
1054
1055
1056 chainCosmic->SetAlias("norm","signalTot0.fElements[3]/signalTot1.fElements[3]");
1057 //
1058 chainCosmic->SetAlias("dr1","(signalTot0.fElements[1]/signalTot0.fElements[3])");
1059 chainCosmic->SetAlias("dr2","(signalTot0.fElements[2]/signalTot0.fElements[3])");
1060 chainCosmic->SetAlias("dr4","(signalTot0.fElements[4]/signalTot0.fElements[3])");
1061 chainCosmic->SetAlias("dr5","(signalTot0.fElements[5]/signalTot0.fElements[3])");
1062
1063 TString fstring="";
1064 fstring+="dr1++";
1065 fstring+="dr2++";
1066 fstring+="dr4++";
1067 fstring+="dr5++";
1068 //
1069 fstring+="dr1*dr2++";
1070 fstring+="dr1*dr4++";
1071 fstring+="dr1*dr5++";
1072 fstring+="dr2*dr4++";
1073 fstring+="dr2*dr5++";
1074 fstring+="dr4*dr5++";
1075
1076
1077
1078 TString *strqdedx = toolkit.FitPlane(chain,"norm",fstring->Data(), cutA, chi2,npoints,fitParam,covMatrix,-1,0,200000);
1079
1080 chainCosmic->SetAlias("corQT",strqdedx->Data());
1081
1082 */
1083
1084
1085 /*
1086   chainCosmic->SetProof(kTRUE);
1087   chainCosmic->Draw("Seed0.CookdEdxNorm(0,0.6,1,0,159,0,kTRUE,kTRUE):Seed0.CookdEdxNorm(0,0.6,1,0,159,0,kFALSE,kTRUE)",""+cutA,"",100000);
1088
1089
1090 chainCosmic->Draw("Seed0.CookdEdxNorm(0,0.6,1,0,159,0,kTRUE,kTRUE)/Seed1.CookdEdxNorm(0,0.6,1,0,159,0,kTRUE,kTRUE)>>his(100,0.5,1.5)","min(Orig0.fTPCncls,Orig1.fTPCncls)>130"+cutA,"",50000);
1091
1092 */
1093
1094
1095 /*
1096 chainCosmic->Draw("Tr0.fP[1]-Tr1.fP[1]:sqrt(abs(Tr0.fP[4]))>>hisdzA(5,0,1,50,-1,1)","!crossO&&!crossI&&abs(d0)<40&&Tr0.fP[1]>0&&abs(mag)>0.1"+cutA);
1097
1098 TGraph *grdzA = (TGraph*)gProof->GetOutputList()->At(1)->Clone();
1099
1100
1101
1102
1103 */
1104
1105
1106
1107