]> git.uio.no Git - u/mrichter/AliRoot.git/commitdiff
Obsolet classes removed -renamed (Marian)
authormarian <marian@f7af4fe6-9843-0410-8265-dc069ae4e863>
Thu, 24 May 2007 15:01:38 +0000 (15:01 +0000)
committermarian <marian@f7af4fe6-9843-0410-8265-dc069ae4e863>
Thu, 24 May 2007 15:01:38 +0000 (15:01 +0000)
PWG1/AliESDComparisonMI.C [deleted file]
PWG1/AliESDComparisonMI.cxx [deleted file]
PWG1/AliESDComparisonMI.h [deleted file]

diff --git a/PWG1/AliESDComparisonMI.C b/PWG1/AliESDComparisonMI.C
deleted file mode 100644 (file)
index 39c5b6c..0000000
+++ /dev/null
@@ -1,1699 +0,0 @@
-/**************************************************************************
- * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
- *                                                                        *
- * Author: The ALICE Off-line Project.                                    *
- * Contributors are mentioned in the code where appropriate.              *
- *                                                                        *
- * Permission to use, copy, modify and distribute this software and its   *
- * documentation strictly for non-commercial purposes is hereby granted   *
- * without fee, provided that the above copyright notice appears in all   *
- * copies and that both the copyright notice and this permission notice   *
- * appear in the supporting documentation. The authors make no claims     *
- * about the suitability of this software for any purpose. It is          *
- * provided "as is" without express or implied warranty.                  *
- **************************************************************************/
-
-
-///////////////////////////////////////////////////////////////////////////////
-//                                                                           //
-//  Time Projection Chamber                                                  //
-//  Comparison macro for ESD                                                 //
-//  responsible: 
-//  marian.ivanov@cern.ch                                                    //
-//
-//
-
-/* 
-marian.ivanov@cern.ch 
-Usage:
-
-.L $ALICE_ROOT/STEER/AliGenInfo.C+
-//be sure you created genTracks file before
-.L $ALICE_ROOT/STEER/AliESDComparisonMI.C+
-//
-ESDCmpTr *t2 = new ESDCmpTr("genTracks.root","cmpESDTracks.root","galice.root",-1,0,0);
-t2->Exec();
-
-//
-//some cuts definition
-TCut cprim("cprim","TMath::Sqrt(MC.fVDist[0]**2+MC.fVDist[1]**2)<0.01&&abs(MC.fVDist[2])<0.01")
-//TCut cprim("cprim","TMath::Sqrt(MC.fVDist[0]**2+MC.fVDist[1]**2)<0.5&&abs(MC.fVDist[2])<0.5")
-//TCut citsin("citsin","TMath::Sqrt(MC.fVDist[0]**2+MC.fVDist[1]**2)<3.9");
-TCut citsin("citsin","TMath::Sqrt(MC.fVDist[0]**2+MC.fVDist[1]**2)<5");
-TCut csec("csec","TMath::Sqrt(MC.fVDist[0]**2+MC.fVDist[1]**2)>0.5");
-
-
-TCut crec("crec","fReconstructed==1");
-TCut cteta1("cteta1","abs(MC.fParticle.Theta()/3.1415-0.5)<0.25");
-TCut cteta05("cteta05","abs(MC.fParticle.Theta()/3.1415-0.5)<0.1");
-
-TCut cpos1("cpos1","abs(MC.fParticle.fVz/sqrt(MC.fParticle.fVx*MC.fParticle.fVx+MC.fParticle.fVy*MC.fParticle.fVy))<1");
-TCut csens("csens","abs(sqrt(fVDist[0]**2+fVDist[1]**2)-170)<50");
-TCut cmuon("cmuon","abs(MC.fParticle.fPdgCode==-13)");
-TCut cchi2("cchi2","fESDTrack.fITSchi2MIP[0]<7.&&fESDTrack.fITSchi2MIP[1]<5.&&fESDTrack.fITSchi2MIP[2]<7.&&fESDTrack.fITSchi2MIP[3]<7.5&&fESDTrack.fITSchi2MIP[4]<6.")
-
-AliESDComparisonDraw comp;  
-comp.SetIO(); 
-TFile f("genHits.root");
-TTree * treel = (TTree*)f.Get("HitLines");
-if (treel) comp->fTree->AddFriend(treel,"L");
-
-//
-//example
-comp.fTree->SetAlias("radius","TMath::Sqrt(MC.fVDist[0]**2+MC.fVDist[1]**2)");
-comp.fTree->SetAlias("direction","MC.fParticle.fVx*MC.fParticle.fPx+MC.fParticle.fVy*MC.fParticle.fPy");
-comp.fTree->SetAlias("decaydir","MC.fTRdecay.fX*MC.fTRdecay.fPx+MC.fTRdecay.fY*MC.fTRdecay.fPy");
-comp.fTree->SetAlias("theta","MC.fTrackRef.Theta()");
-comp.fTree->SetAlias("primdca","sqrt(RC.fITStrack.fD[0]**2+RC.fITStrack.fD[1]**2)");
-comp.fTree->SetAlias("trdchi2","fTRDtrack.fChi2/fTRDtrack.fN");
-comp.fTree->SetAlias("trdchi2","fTRDtrack.fChi2/fTRDtrack.fN");
-
-
-TH1F his("his","his",100,0,20);
-TH1F hpools("hpools","hpools",100,-7,7);
-TH1F hfake("hfake","hfake",1000,0,150);
-TProfile profp0("profp0","profp0",20,-0.4,0.9)
-
-comp.DrawXY("fTPCinP0[3]","fTPCDelta[4]/fTPCinP1[3]","fReconstructed==1"+cprim,"1",4,0.2,1.5,-0.06,0.06)
-comp.fRes->Draw();
-comp.fMean->Draw();  
-
-comp.DrawXY("fITSinP0[3]","fITSDelta[4]/fITSinP1[3]","fReconstructed==1&&fITSOn"+cprim,"1",4,0.2,1.5,-0.06,0.06)
-comp.fRes->Draw();
-
-comp.Eff("fTPCinP0[3]","fRowsWithDigits>120"+cteta1+cpos1+cprim,"fTPCOn",20,0.2,1.5)
-comp.fRes->Draw();
-
-comp.Eff("fTPCinP0[3]","fRowsWithDigits>120"+cteta1+cpos1+cprim,"fTPCOn&&fITSOn&&fESDTrack.fITSFakeRatio<0.1",10,0.2,1.5)
-comp.fRes->Draw();
-comp.Eff("fTPCinP0[3]","fRowsWithDigits>120"+cteta1+cpos1+cprim,"fTPCOn&&fITSOn&&fESDTrack.fITSFakeRatio>0.1",10,0.2,1.5)
-comp.fRes->Draw();
-
-comp.fTree->Draw("fESDTrack.fITSsignal/fESDTrack.fTPCsignal","fITSOn&&fTPCOn&&fESDTrack.fITSFakeRatio==0") 
-
-TH1F his("his","his",100,0,20);
-TH1F hpools("hpools","hpools",100,-7,7);
-
-TH2F * hdedx0 = new TH2F("dEdx0","dEdx0",100, 0,2,200,0,550); hdedx0->SetMarkerColor(1);
-TH2F * hdedx1 = new TH2F("dEdx1","dEdx1",100, 0,2,200,0,550); hdedx1->SetMarkerColor(4);
-TH2F * hdedx2 = new TH2F("dEdx2","dEdx2",100, 0,2,200,0,550); hdedx2->SetMarkerColor(3);
-TH2F * hdedx3 = new TH2F("dEdx3","dEdx3",100, 0,2,200,0,550); hdedx3->SetMarkerColor(2);
-
-comp.fTree->Draw("fESDTrack.fITSsignal:MC.fParticle.P()>>dEdx0","fITSOn&&abs(fPdg)==211&&fITStrack.fN==6"+cprim) 
-comp.fTree->Draw("fESDTrack.fITSsignal:MC.fParticle.P()>>dEdx1","fITSOn&&abs(fPdg)==2212&&fITStrack.fN==6"+cprim) 
-comp.fTree->Draw("fESDTrack.fITSsignal:MC.fParticle.P()>>dEdx2","fITSOn&&abs(fPdg)==321&&fITStrack.fN==6"+cprim) 
-comp.fTree->Draw("fESDTrack.fITSsignal:MC.fParticle.P()>>dEdx3","fITSOn&&abs(fPdg)==11&&fITStrack.fN==6"+cprim) 
-
-
-comp.fTree->Draw("fESDTrack.fTRDsignal:MC.fParticle.P()>>dEdx0","fTRDOn&&abs(fPdg)==211&&fTRDtrack.fN>40&&fStatus[2]>1") 
-comp.fTree->Draw("fESDTrack.fTRDsignal:MC.fParticle.P()>>dEdx1","fTRDOn&&abs(fPdg)==2212&&fTRDtrack.fN>40&&fStatus[2]>1") 
-comp.fTree->Draw("fESDTrack.fTRDsignal:MC.fParticle.P()>>dEdx2","fTRDOn&&abs(fPdg)==321&&fTRDtrack.fN>40&&fStatus[2]>1") 
-comp.fTree->Draw("fESDTrack.fTRDsignal:MC.fParticle.P()>>dEdx3","fTRDOn&&abs(fPdg)==11&&fTRDtrack.fN>40&&fStatus[2]>1") 
-
-comp.fTree->Draw("fESDTrack.fTPCsignal:fTPCinP0[4]>>dEdx0","fTPCOn&&abs(fPdg)==211&&fESDTrack.fTPCncls>180&&fESDTrack.fTPCsignal>10"+cteta1); 
-comp.fTree->Draw("fESDTrack.fTPCsignal:fTPCinP0[4]>>dEdx1","fTPCOn&&abs(fPdg)==2212&&fESDTrack.fTPCncls>180&&fESDTrack.fTPCsignal>10"+cteta1); 
-comp.fTree->Draw("fESDTrack.fTPCsignal:fTPCinP0[4]>>dEdx2","fTPCOn&&abs(fPdg)==321&&fESDTrack.fTPCncls>180&&fESDTrack.fTPCsignal>10"+cteta1); 
-comp.fTree->Draw("fESDTrack.fTPCsignal:fTPCinP0[4]>>dEdx3","fTPCOn&&abs(fPdg)==11&&fESDTrack.fTPCncls>180&&fESDTrack.fTPCsignal>10"+cteta1); 
-
-hdedx3->SetXTitle("P(GeV/c)");
-hdedx3->SetYTitle("dEdx(unit)");
-hdedx3->Draw(); hdedx1->Draw("same"); hdedx2->Draw("same"); hdedx0->Draw("same");
-
-comp.DrawXY("fITSinP0[3]","fITSPools[4]","fReconstructed==1&&fPdg==-211&&fITSOn"+cprim,"1",4,0.2,1.0,-8,8)
-
-TProfile prof("prof","prof",10,0.5,5);
-
-
-
-
-*/
-
-
-#if !defined(__CINT__) || defined(__MAKECINT__)
-#include <stdio.h>
-#include <string.h>
-//ROOT includes
-#include "Rtypes.h"
-#include "TFile.h"
-#include "TTree.h"
-#include "TChain.h"
-#include "TCut.h"
-#include "TString.h"
-#include "TBenchmark.h"
-#include "TStopwatch.h"
-#include "TParticle.h"
-#include "TSystem.h"
-#include "TTimer.h"
-#include "TVector3.h"
-#include "TPad.h"
-#include "TCanvas.h"
-#include "TH1F.h"
-#include "TH2F.h"
-#include "TF1.h"
-#include "TText.h"
-#include "Getline.h"
-#include "TStyle.h"
-
-//ALIROOT includes
-#include "AliRun.h"
-#include "AliStack.h"
-#include "AliESDtrack.h"
-#include "AliSimDigits.h"
-#include "AliTPCParam.h"
-#include "AliTPC.h"
-#include "AliTPCLoader.h"
-#include "AliDetector.h"
-#include "AliTrackReference.h"
-#include "AliRun.h"
-#include "AliTPCParamSR.h"
-#include "AliTracker.h"
-#include "AliComplexCluster.h"
-#include "AliMagF.h"
-#include "AliESD.h"
-#include "AliESDfriend.h"
-#include "AliESDtrack.h"
-#include "AliITStrackMI.h"
-#include "AliTRDtrack.h"
-#include "AliHelix.h"
-#include "AliESDVertex.h"
-#include "AliExternalTrackParam.h"
-#include "AliESDkink.h"
-#include "AliESDv0.h"
-#include "AliV0.h"
-
-#endif
-#include "AliGenInfo.h"
-#include "AliESDComparisonMI.h"
-
-
-
-
-
-void MakeAliases(AliESDComparisonDraw&comp)
-{
-  //
-  // aliases definition
-  //
-  comp.fTree->SetAlias("radius","TMath::Sqrt(MC.fVDist[0]**2+MC.fVDist[1]**2)");
-  comp.fTree->SetAlias("direction","MC.fParticle.fVx*MC.fParticle.fPx+MC.fParticle.fVy*MC.fParticle.fPy");
-  comp.fTree->SetAlias("decaydir","MC.fTRdecay.fX*MC.fTRdecay.fPx+MC.fTRdecay.fY*MC.fTRdecay.fPy");
-  comp.fTree->SetAlias("theta","MC.fTrackRef.Theta()");
-  comp.fTree->SetAlias("primdca","sqrt(RC.fITStrack.fD[0]**2+RC.fITStrack.fD[1]**2)");
-  comp.fTree->SetAlias("trdchi2","fTRDtrack.fChi2/fTRDtrack.fN");
-  comp.fTree->SetAlias("trdchi2","fTRDtrack.fChi2/fTRDtrack.fN");
-  
-  comp.fTree->SetAlias("trddedx","(RC.fESDTrack.fTRDsignals[0]+RC.fESDTrack.fTRDsignals[1]+RC.fESDTrack.fTRDsignals[2]+RC.fESDTrack.fTRDsignals[3]+RC.fESDTrack.fTRDsignals[4]+RC.fESDTrack.fTRDsignals[5])/6.");
-  
-  comp.fTree->SetAlias("dtofmc2","fESDTrack.fTrackTime[2]-(10^12*MC.fTOFReferences[0].fTime)");
-  comp.fTree->SetAlias("dtofrc2","(fESDTrack.fTrackTime[2]-fESDTrack.fTOFsignal)");
-
-  comp.fTree->SetAlias("psum","fESDTrack.fTOFr[4]+fESDTrack.fTOFr[3]+fESDTrack.fTOFr[2]+fESDTrack.fTOFr[1]+fESDTrack.fTOFr[0]");
-  comp.fTree->SetAlias("P0","fESDTrack.fTOFr[0]/psum");
-  comp.fTree->SetAlias("P1","fESDTrack.fTOFr[1]/psum");
-  comp.fTree->SetAlias("P2","fESDTrack.fTOFr[2]/psum");
-  comp.fTree->SetAlias("P3","fESDTrack.fTOFr[3]/psum");
-  comp.fTree->SetAlias("P4","fESDTrack.fTOFr[4]/psum");
-  comp.fTree->SetAlias("MaxP","max(max(max(P0,P1),max(P2,P3)),P4)");
-}
-
-
-
-
-void  AliESDRecInfo::UpdatePoints(AliESDtrack*track)
-{
-  //
-  //
-  Int_t iclusters[200];
-  Float_t density[160];
-  for (Int_t i=0;i<160;i++) density[i]=-1.;
-  fTPCPoints[0]= 160;
-  fTPCPoints[1] = -1;
-  //
-  if (fTPCPoints[0]<fTPCPoints[1]) return;
-  //  Int_t nclusters=track->GetTPCclusters(iclusters);
-
-  Int_t ngood=0;
-  Int_t undeff=0;
-  Int_t nall =0;
-  Int_t range=20;
-  for (Int_t i=0;i<160;i++){
-    Int_t last = i-range;
-    if (nall<range) nall++;
-    if (last>=0){
-      if (iclusters[last]>0&& (iclusters[last]&0x8000)==0) ngood--;
-      if (iclusters[last]==-1) undeff--;
-    }
-    if (iclusters[i]>0&& (iclusters[i]&0x8000)==0)   ngood++;
-    if (iclusters[i]==-1) undeff++;
-    if (nall==range &&undeff<range/2) density[i-range/2] = Float_t(ngood)/Float_t(nall-undeff);
-  }
-  Float_t maxdens=0;
-  Int_t indexmax =0;
-  for (Int_t i=0;i<160;i++){
-    if (density[i]<0) continue;
-    if (density[i]>maxdens){
-      maxdens=density[i];
-      indexmax=i;
-    }
-  }
-  //
-  //max dens point
-  fTPCPoints[3] = maxdens;
-  fTPCPoints[1] = indexmax;
-  //
-  // last point
-  for (Int_t i=indexmax;i<160;i++){
-    if (density[i]<0) continue;
-    if (density[i]<maxdens/2.) {
-      break;
-    }
-    fTPCPoints[2]=i;
-  }
-  //
-  // first point
-  for (Int_t i=indexmax;i>0;i--){
-    if (density[i]<0) continue;
-    if (density[i]<maxdens/2.) {
-      break;
-    }
-    fTPCPoints[0]=i;
-  }
-  //
-  // Density at the last 30 padrows
-  //
-  // 
-  nall  = 0;
-  ngood = 0;
-  for (Int_t i=159;i>0;i--){
-    if (iclusters[i]==-1) continue; //dead zone
-    nall++;
-    if (iclusters[i]>0)   ngood++;
-    if (nall>20) break;
-  }
-  fTPCPoints[4] = Float_t(ngood)/Float_t(nall);
-  //
-  if ((track->GetStatus()&AliESDtrack::kITSrefit)>0) fTPCPoints[0]=-1;
-  //
-  //
-  // check TRDPoints
-  /*
-  nclusters=track->GetTRDclusters(iclusters);
-  for (Int_t i=nclusters;i>0;i--){
-    
-  }
-  */
-
-
-}
-
-//
-//
-void AliESDRecInfo::Update(AliMCInfo* info,AliTPCParam * /*par*/, Bool_t reconstructed, AliESD */*event*/)
-{
-  //
-  //
-  //calculates derived variables
-  //  
-  //
-  UpdatePoints(&fESDTrack);
-  fBestTOFmatch=1000;
-  AliTrackReference * ref = &(info->fTrackRef);
-  fTPCinR0[0] = info->fTrackRef.X();   
-  fTPCinR0[1] = info->fTrackRef.Y();   
-  fTPCinR0[2] = info->fTrackRef.Z();
-  fTPCinR0[3] = TMath::Sqrt(fTPCinR0[0]*fTPCinR0[0]+fTPCinR0[1]*fTPCinR0[1]);
-  fTPCinR0[4] = TMath::ATan2(fTPCinR0[1],fTPCinR0[0]);
-  //
-  fTPCinP0[0] = ref->Px();
-  fTPCinP0[1] = ref->Py();
-  fTPCinP0[2] = ref->Pz();
-  fTPCinP0[3] = ref->Pt();
-  fTPCinP0[4] = ref->P();
-  fDeltaP     = (ref->P()-info->fParticle.P())/info->fParticle.P();
-  //
-  //
-  if (fTPCinP0[3]>0.0000001){
-    //
-    fTPCAngle0[0] = TMath::ATan2(fTPCinP0[1],fTPCinP0[0]);
-    fTPCAngle0[1] = TMath::ATan(fTPCinP0[2]/fTPCinP0[3]);
-  }
-  //
-  //
-  fITSinP0[0]=info->fParticle.Px();
-  fITSinP0[1]=info->fParticle.Py();
-  fITSinP0[2]=info->fParticle.Pz();
-  fITSinP0[3]=info->fParticle.Pt();    
-  //
-  fITSinR0[0]=info->fParticle.Vx();
-  fITSinR0[1]=info->fParticle.Vy();
-  fITSinR0[2]=info->fParticle.Vz();
-  fITSinR0[3] = TMath::Sqrt(fITSinR0[0]*fITSinR0[0]+fITSinR0[1]*fITSinR0[1]);
-  fITSinR0[4] = TMath::ATan2(fITSinR0[1],fITSinR0[0]);
-  //
-  //
-  if (fITSinP0[3]>0.0000001){
-    fITSAngle0[0] = TMath::ATan2(fITSinP0[1],fITSinP0[0]);
-    fITSAngle0[1] = TMath::ATan(fITSinP0[2]/fITSinP0[3]);
-  }
-  //
-  for (Int_t i=0;i<4;i++) fStatus[i] =0;
-  fReconstructed = kFALSE;
-  fTPCOn = kFALSE;
-  fITSOn = kFALSE;
-  fTRDOn = kFALSE;  
-  if (reconstructed==kFALSE) return;
-
-  fLabels[0] = info->fLabel;
-  fLabels[1] = info->fPrimPart;
-  fReconstructed = kTRUE;
-  fTPCOn = ((fESDTrack.GetStatus()&AliESDtrack::kTPCrefit)>0) ? kTRUE : kFALSE;
-  fITSOn = ((fESDTrack.GetStatus()&AliESDtrack::kITSrefit)>0) ? kTRUE : kFALSE;
-  fTRDOn = ((fESDTrack.GetStatus()&AliESDtrack::kTRDrefit)>0) ? kTRUE : kFALSE;
-  //
-  //  
-  if ((fESDTrack.GetStatus()&AliESDtrack::kTPCrefit)>0){
-    fStatus[1] =3;
-  }
-  else{
-    if ((fESDTrack.GetStatus()&AliESDtrack::kTPCout)>0){
-      fStatus[1] =2;
-    }
-    else{
-      if ((fESDTrack.GetStatus()&AliESDtrack::kTPCin)>0)
-       fStatus[1]=1;
-    }      
-  }
-  //
-  if ((fESDTrack.GetStatus()&AliESDtrack::kITSout)>0){
-    fStatus[0] =2;
-  }
-  else{
-    if ((fESDTrack.GetStatus()&AliESDtrack::kITSrefit)>0){
-      fStatus[0] =1;
-    }
-    else{
-      fStatus[0]=0;
-    }      
-  }
-
-  //
-  //
-  if ((fESDTrack.GetStatus()&AliESDtrack::kTRDrefit)>0){
-    fStatus[2] =2;
-  }
-  else{
-    if ((fESDTrack.GetStatus()&AliESDtrack::kTRDout)>0){
-      fStatus[2] =1;
-    }
-  }
-  if ((fESDTrack.GetStatus()&AliESDtrack::kTRDStop)>0){
-    fStatus[2] =10;
-  }
-
-  //
-  //TOF 
-  // 
-  if (((fESDTrack.GetStatus()&AliESDtrack::kTOFout)>0)){
-    //
-    // best tof match
-    Double_t times[5];
-    fESDTrack.GetIntegratedTimes(times);    
-    for (Int_t i=0;i<5;i++){
-      if ( TMath::Abs(fESDTrack.GetTOFsignal()-times[i]) <TMath::Abs(fBestTOFmatch) ){
-       fBestTOFmatch = fESDTrack.GetTOFsignal()-times[i];
-      }
-    }
-    Int_t toflabel[3];
-    fESDTrack.GetTOFLabel(toflabel);
-    Bool_t toffake=kTRUE;
-    Bool_t tofdaughter=kFALSE;
-    for (Int_t i=0;i<3;i++){
-      if (toflabel[i]<0) continue;      
-      if (toflabel[i]== TMath::Abs(fESDTrack.GetLabel()))  toffake=kFALSE;     
-      if (toflabel[i]==info->fParticle.GetDaughter(0) || (toflabel[i]==info->fParticle.GetDaughter(1))) tofdaughter=kTRUE;  // decay product of original particle
-      fStatus[3]=1;
-    }
-    if (toffake) fStatus[3] =3;       //total fake
-    if (tofdaughter) fStatus[3]=2;    //fake because of decay
-  }else{
-    fStatus[3]=0;
-  }
-
-
-  if (fStatus[1]>0 &&info->fNTPCRef>0&&TMath::Abs(fTPCinP0[3])>0.0001){
-    //TPC
-    fESDTrack.GetInnerXYZ(fTPCinR1);
-    fTPCinR1[3] = TMath::Sqrt(fTPCinR1[0]*fTPCinR1[0]+fTPCinR1[1]*fTPCinR1[1]);
-    fTPCinR1[4] = TMath::ATan2(fTPCinR1[1],fTPCinR1[0]);       
-    fESDTrack.GetInnerPxPyPz(fTPCinP1);
-    fTPCinP1[3] = TMath::Sqrt(fTPCinP1[0]*fTPCinP1[0]+fTPCinP1[1]*fTPCinP1[1]);
-    fTPCinP1[4] = TMath::Sqrt(fTPCinP1[3]*fTPCinP1[3]+fTPCinP1[2]*fTPCinP1[2]);
-    //
-    //
-    if (fTPCinP1[3]>0.000000000000001){
-      fTPCAngle1[0] = TMath::ATan2(fTPCinP1[1],fTPCinP1[0]);
-      fTPCAngle1[1] = TMath::ATan(fTPCinP1[2]/fTPCinP1[3]);  
-    }    
-    Double_t cov[15], param[5],x, alpha;
-    fESDTrack.GetInnerExternalCovariance(cov);
-    fESDTrack.GetInnerExternalParameters(alpha, x,param);
-    if (x<50) return ;
-    //
-    fTPCDelta[0] = (fTPCinR0[4]-fTPCinR1[4])*fTPCinR1[3];  //delta rfi
-    fTPCPools[0] = fTPCDelta[0]/TMath::Sqrt(cov[0]);
-    fTPCDelta[1] = (fTPCinR0[2]-fTPCinR1[2]);              //delta z
-    fTPCPools[1] = fTPCDelta[1]/TMath::Sqrt(cov[2]);
-    fTPCDelta[2] = (fTPCAngle0[0]-fTPCAngle1[0]);
-    fTPCPools[2] = fTPCDelta[2]/TMath::Sqrt(cov[5]);
-    fTPCDelta[3] = (TMath::Tan(fTPCAngle0[1])-TMath::Tan(fTPCAngle1[1]));
-    fTPCPools[3] = fTPCDelta[3]/TMath::Sqrt(cov[9]);
-    fTPCDelta[4] = (fTPCinP0[3]-fTPCinP1[3]);
-    Double_t sign = (param[4]>0)? 1.:-1; 
-    fSign =sign;
-    fTPCPools[4] = sign*(1./fTPCinP0[3]-1./fTPCinP1[3])/TMath::Sqrt(TMath::Abs(cov[14]));
-  }
-  if (fITSOn){
-    // ITS 
-    Double_t param[5],x;
-    fESDTrack.GetExternalParameters(x,param);   
-    //    fESDTrack.GetConstrainedExternalParameters(x,param);   
-    Double_t cov[15];
-    fESDTrack.GetExternalCovariance(cov);
-    //fESDTrack.GetConstrainedExternalCovariance(cov);
-    if (TMath::Abs(param[4])<0.0000000001) return;
-
-    fESDTrack.GetXYZ(fITSinR1);
-    fESDTrack.GetPxPyPz(fITSinP1);
-    fITSinP1[3] = TMath::Sqrt(fITSinP1[0]*fITSinP1[0]+fITSinP1[1]*fITSinP1[1]);
-    //
-    fITSinR1[3] = TMath::Sqrt(fITSinR1[0]*fITSinR1[0]+fITSinR1[1]*fITSinR1[1]);
-    fITSinR1[4] = TMath::ATan2(fITSinR1[1],fITSinR1[0]);
-    //
-    //
-    if (fITSinP1[3]>0.0000001){
-      fITSAngle1[0] = TMath::ATan2(fITSinP1[1],fITSinP1[0]);
-      fITSAngle1[1] = TMath::ATan(fITSinP1[2]/fITSinP1[3]);  
-    }
-    //
-    //
-    fITSDelta[0] = (fITSinR0[4]-fITSinR1[4])*fITSinR1[3];  //delta rfi
-    fITSPools[0] = fITSDelta[0]/TMath::Sqrt(cov[0]);
-    fITSDelta[1] = (fITSinR0[2]-fITSinR1[2]);              //delta z
-    fITSPools[1] = fITSDelta[1]/TMath::Sqrt(cov[2]);
-    fITSDelta[2] = (fITSAngle0[0]-fITSAngle1[0]);
-    fITSPools[2] = fITSDelta[2]/TMath::Sqrt(cov[5]);
-    fITSDelta[3] = (TMath::Tan(fITSAngle0[1])-TMath::Tan(fITSAngle1[1]));
-    fITSPools[3] = fITSDelta[3]/TMath::Sqrt(cov[9]);
-    fITSDelta[4] = (fITSinP0[3]-fITSinP1[3]);    
-    Double_t sign = (param[4]>0) ? 1:-1; 
-    fSign = sign;
-    fITSPools[4] = sign*(1./fITSinP0[3]-1./fITSinP1[3])/TMath::Sqrt(cov[14]);    
-  }
-  
-}
-
-
-void  AliESDRecV0Info::Update(Float_t vertex[3])
-{ 
-
-  if ( (fT1.fStatus[1]>0)&& (fT2.fStatus[1]>0)){
-    Float_t distance1,distance2;
-    Double_t xx[3],pp[3];
-    //
-    Double_t xd[3],pd[3],signd;
-    Double_t xm[3],pm[3],signm;
-    //
-    //
-    if (fT1.fITSOn&&fT2.fITSOn){
-      for (Int_t i=0;i<3;i++){
-       xd[i] = fT2.fITSinR1[i];
-       pd[i] = fT2.fITSinP1[i];
-       xm[i] = fT1.fITSinR1[i];
-       pm[i] = fT1.fITSinP1[i];
-      }
-    }
-    else{
-      
-      for (Int_t i=0;i<3;i++){
-       xd[i] = fT2.fTPCinR1[i];
-       pd[i] = fT2.fTPCinP1[i];
-       xm[i] = fT1.fTPCinR1[i];
-       pm[i] = fT1.fTPCinP1[i];
-      }
-    }
-    //
-    //
-    signd =  fT2.fSign<0 ? -1:1;
-    signm =  fT1.fSign<0 ? -1:1;
-
-    AliHelix dhelix1(xd,pd,signd);
-    dhelix1.GetMomentum(0,pp,0);
-    dhelix1.Evaluate(0,xx);      
-    // 
-    //  Double_t x2[3],p2[3];
-    //            
-    AliHelix mhelix(xm,pm,signm);    
-    //
-    //find intersection linear
-    //
-    Double_t phase[2][2],radius[2];
-    Int_t  points = dhelix1.GetRPHIintersections(mhelix, phase, radius,200);
-    Double_t delta1=10000,delta2=10000;  
-
-    if (points==1){
-      fRs[0] = TMath::Sqrt(radius[0]);
-      fRs[1] = TMath::Sqrt(radius[0]);
-    }
-    if (points==2){
-      fRs[0] =TMath::Min(TMath::Sqrt(radius[0]),TMath::Sqrt(radius[1]));
-      fRs[1] =TMath::Max(TMath::Sqrt(radius[0]),TMath::Sqrt(radius[1]));
-    }
-    
-    if (points>0){
-      dhelix1.LinearDCA(mhelix,phase[0][0],phase[0][1],radius[0],delta1);
-      dhelix1.LinearDCA(mhelix,phase[0][0],phase[0][1],radius[0],delta1);
-      dhelix1.LinearDCA(mhelix,phase[0][0],phase[0][1],radius[0],delta1);
-    }
-    if (points==2){    
-      dhelix1.LinearDCA(mhelix,phase[1][0],phase[1][1],radius[1],delta2);
-      dhelix1.LinearDCA(mhelix,phase[1][0],phase[1][1],radius[1],delta2);
-      dhelix1.LinearDCA(mhelix,phase[1][0],phase[1][1],radius[1],delta2);
-    }
-    if (points==1){
-      fRs[0] = TMath::Sqrt(radius[0]);
-      fRs[1] = TMath::Sqrt(radius[0]);
-      fDistMinR = delta1;
-    }
-    if (points==2){
-      if (radius[0]<radius[1]){
-       fRs[0] = TMath::Sqrt(radius[0]);
-       fRs[1] = TMath::Sqrt(radius[1]);
-       fDistMinR = delta1;
-      }
-      else{
-       fRs[0] = TMath::Sqrt(radius[1]);
-       fRs[1] = TMath::Sqrt(radius[0]);
-       fDistMinR = delta2;
-      }
-    }
-    //
-    //
-    distance1 = TMath::Min(delta1,delta2);
-    //
-    //find intersection parabolic
-    //
-    points = dhelix1.GetRPHIintersections(mhelix, phase, radius);
-    delta1=10000,delta2=10000;  
-    
-    if (points>0){
-      dhelix1.ParabolicDCA(mhelix,phase[0][0],phase[0][1],radius[0],delta1);
-    }
-    if (points==2){    
-      dhelix1.ParabolicDCA(mhelix,phase[1][0],phase[1][1],radius[1],delta2);
-    }
-    
-    distance2 = TMath::Min(delta1,delta2);
-    if (distance2>100) fDist2 =100;
-    return;
-    if (delta1<delta2){
-      //get V0 info
-      dhelix1.Evaluate(phase[0][0],fXr);
-      dhelix1.GetMomentum(phase[0][0],fPdr);
-      mhelix.GetMomentum(phase[0][1],fPm);
-      dhelix1.GetAngle(phase[0][0],mhelix,phase[0][1],fAngle);
-      fRr = TMath::Sqrt(radius[0]);
-    }
-    else{
-      dhelix1.Evaluate(phase[1][0],fXr);
-      dhelix1.GetMomentum(phase[1][0], fPdr);
-      mhelix.GetMomentum(phase[1][1], fPm);
-      dhelix1.GetAngle(phase[1][0],mhelix,phase[1][1],fAngle);
-      fRr = TMath::Sqrt(radius[1]);
-    }
-    fDist1 = TMath::Sqrt(distance1);
-    fDist2 = TMath::Sqrt(distance2);      
-    
-    if (fDist2<10.5){
-      Double_t x,alpha,param[5],cov[15];
-      //
-      fT1.fESDTrack.GetInnerExternalParameters(alpha,x,param);
-      fT1.fESDTrack.GetInnerExternalCovariance(cov);
-      AliExternalTrackParam paramm(x,alpha,param,cov);
-      //
-      fT2.fESDTrack.GetInnerExternalParameters(alpha,x,param);
-      fT2.fESDTrack.GetInnerExternalCovariance(cov);
-      AliExternalTrackParam paramd(x,alpha,param,cov);
-    }    
-    //            
-    //   
-    
-    Float_t v[3] = {fXr[0]-vertex[0],fXr[1]-vertex[1],fXr[2]-vertex[2]};
-    Float_t p[3] = {fPdr[0]+fPm[0], fPdr[1]+fPm[1],fPdr[2]+fPm[2]};
-    
-    Float_t vnorm2 = v[0]*v[0]+v[1]*v[1];
-    Float_t vnorm3 = TMath::Sqrt(v[2]*v[2]+vnorm2);
-    vnorm2 = TMath::Sqrt(vnorm2);
-    Float_t pnorm2 = p[0]*p[0]+p[1]*p[1];
-    Float_t pnorm3 = TMath::Sqrt(p[2]*p[2]+pnorm2);
-    pnorm2 = TMath::Sqrt(pnorm2);
-    
-    fPointAngleFi = (v[0]*p[0]+v[1]*p[1])/(vnorm2*pnorm2);
-    fPointAngleTh = (v[2]*p[2]+vnorm2*pnorm2)/(vnorm3*pnorm3);  
-    fPointAngle   = (v[0]*p[0]+v[1]*p[1]+v[2]*p[2])/(vnorm3*pnorm3);
-  }
-}
-
-////
-void  AliESDRecKinkInfo::Update()
-{
-
-  if ( (fT1.fTPCOn)&& (fT2.fTPCOn)){
-    //
-    // IF BOTH RECONSTRUCTED
-    Float_t distance1,distance2;
-    Double_t xx[3],pp[3];
-    //
-    Double_t xd[3],pd[3],signd;
-    Double_t xm[3],pm[3],signm;
-    for (Int_t i=0;i<3;i++){
-      xd[i] = fT2.fTPCinR1[i];
-      pd[i] = fT2.fTPCinP1[i];
-      xm[i] = fT1.fTPCinR1[i];
-      pm[i] = fT1.fTPCinP1[i];
-    }
-    signd =  fT2.fSign<0 ? -1:1;
-    signm =  fT1.fSign<0 ? -1:1;
-
-    AliHelix dhelix1(xd,pd,signd);
-    dhelix1.GetMomentum(0,pp,0);
-    dhelix1.Evaluate(0,xx);      
-    // 
-    //  Double_t x2[3],p2[3];
-    //            
-    AliHelix mhelix(xm,pm,signm);    
-    //
-    //find intersection linear
-    //
-    Double_t phase[2][2],radius[2];
-    Int_t  points = dhelix1.GetRPHIintersections(mhelix, phase, radius,200);
-    Double_t delta1=10000,delta2=10000;  
-
-    if (points==1){
-      fMinR = TMath::Sqrt(radius[0]);
-    }
-    if (points==2){
-      fMinR =TMath::Min(TMath::Sqrt(radius[0]),TMath::Sqrt(radius[1]));
-    }
-    
-    if (points>0){
-      dhelix1.LinearDCA(mhelix,phase[0][0],phase[0][1],radius[0],delta1);
-      dhelix1.LinearDCA(mhelix,phase[0][0],phase[0][1],radius[0],delta1);
-      dhelix1.LinearDCA(mhelix,phase[0][0],phase[0][1],radius[0],delta1);
-    }
-    if (points==2){    
-      dhelix1.LinearDCA(mhelix,phase[1][0],phase[1][1],radius[1],delta2);
-      dhelix1.LinearDCA(mhelix,phase[1][0],phase[1][1],radius[1],delta2);
-      dhelix1.LinearDCA(mhelix,phase[1][0],phase[1][1],radius[1],delta2);
-    }
-    if (points==1){
-      fMinR = TMath::Sqrt(radius[0]);
-      fDistMinR = delta1;
-    }
-    if (points==2){
-      if (radius[0]<radius[1]){
-       fMinR = TMath::Sqrt(radius[0]);
-       fDistMinR = delta1;
-      }
-      else{
-       fMinR = TMath::Sqrt(radius[1]);
-       fDistMinR = delta2;
-      }
-    }
-    //
-    //
-    distance1 = TMath::Min(delta1,delta2);
-    //
-    //find intersection parabolic
-    //
-    points = dhelix1.GetRPHIintersections(mhelix, phase, radius);
-    delta1=10000,delta2=10000;  
-    
-    if (points>0){
-      dhelix1.ParabolicDCA(mhelix,phase[0][0],phase[0][1],radius[0],delta1);
-    }
-    if (points==2){    
-      dhelix1.ParabolicDCA(mhelix,phase[1][0],phase[1][1],radius[1],delta2);
-    }
-    
-    distance2 = TMath::Min(delta1,delta2);
-    if (delta1<delta2){
-      //get V0 info
-      dhelix1.Evaluate(phase[0][0],fXr);
-      dhelix1.GetMomentum(phase[0][0],fPdr);
-      mhelix.GetMomentum(phase[0][1],fPm);
-      dhelix1.GetAngle(phase[0][0],mhelix,phase[0][1],fAngle);
-      fRr = TMath::Sqrt(radius[0]);
-    }
-    else{
-      dhelix1.Evaluate(phase[1][0],fXr);
-      dhelix1.GetMomentum(phase[1][0], fPdr);
-      mhelix.GetMomentum(phase[1][1], fPm);
-      dhelix1.GetAngle(phase[1][0],mhelix,phase[1][1],fAngle);
-      fRr = TMath::Sqrt(radius[1]);
-    }
-    fDist1 = TMath::Sqrt(distance1);
-    fDist2 = TMath::Sqrt(distance2);      
-    
-    if (fDist2<10.5){
-      Double_t x,alpha,param[5],cov[15];
-      //
-      fT1.fESDTrack.GetInnerExternalParameters(alpha,x,param);
-      fT1.fESDTrack.GetInnerExternalCovariance(cov);
-      AliExternalTrackParam paramm(x,alpha,param,cov);
-      //
-      fT2.fESDTrack.GetInnerExternalParameters(alpha,x,param);
-      fT2.fESDTrack.GetInnerExternalCovariance(cov);
-      AliExternalTrackParam paramd(x,alpha,param,cov);
-      /*
-      AliESDkink kink;
-      kink.Update(&paramm,&paramd);
-      //      kink.Dump();
-      Double_t diff  = kink.fRr-fRr;
-      Double_t diff2 = kink.fDist2-fDist2;
-      printf("Diff\t%f\t%f\n",diff,diff2);
-      */
-    }
-    
-    //            
-    //
-  }
-
-}
-
-
-////////////////////////////////////////////////////////////////////////
-ESDCmpTr::ESDCmpTr()
-{
-  Reset();
-}
-
-////////////////////////////////////////////////////////////////////////
-ESDCmpTr::ESDCmpTr(const char* fnGenTracks,
-                  const char* fnCmp,
-                  const char* fnGalice, Int_t direction,
-                  Int_t nEvents, Int_t firstEvent)
-{
-  Reset();
-  //  fFnGenTracks = fnGenTracks;
-  //  fFnCmp = fnCmp;
-  sprintf(fFnGenTracks,"%s",fnGenTracks);
-  sprintf(fFnCmp,"%s",fnCmp);
-
-  fFirstEventNr = firstEvent;
-  fEventNr = firstEvent;
-  fNEvents = nEvents;
-  fDirection = direction;
-  //
-  fLoader = AliRunLoader::Open(fnGalice);
-  if (gAlice){
-    //delete gAlice->GetRunLoader();
-    delete gAlice;
-    gAlice = 0x0;
-  }
-  if (fLoader->LoadgAlice()){
-    cerr<<"Error occured while l"<<endl;
-  }
-  Int_t nall = fLoader->GetNumberOfEvents();
-  if (nEvents==0) {
-    nEvents =nall;
-    fNEvents=nall;
-    fFirstEventNr=0;
-  }    
-
-  if (nall<=0){
-    cerr<<"no events available"<<endl;
-    fEventNr = 0;
-    return;
-  }
-  if (firstEvent+nEvents>nall) {
-    fEventNr = nall-firstEvent;
-    cerr<<"restricted number of events availaible"<<endl;
-  }
-  AliMagF * magf = gAlice->Field();
-  AliTracker::SetFieldMap(magf,0);
-
-}
-
-
-////////////////////////////////////////////////////////////////////////
-ESDCmpTr::~ESDCmpTr()
-{
-  if (fLoader) {
-    delete fLoader;
-  }
-}
-
-//////////////////////////////////////////////////////////////
-Int_t ESDCmpTr::SetIO()
-{
-  //
-  // 
-  CreateTreeCmp();
-  if (!fTreeCmp) return 1;
-  fParamTPC = GetTPCParam();
-  //
-  if (!ConnectGenTree()) {
-    cerr<<"Cannot connect tree with generated tracks"<<endl;
-    return 1;
-  }
-  return 0;
-}
-
-//////////////////////////////////////////////////////////////
-
-Int_t ESDCmpTr::SetIO(Int_t eventNr)
-{
-  //
-  // 
-  // SET INPUT
-  //
-  TFile f("AliESDs.root");
-  //
-  TTree* tree = (TTree*) f.Get("esdTree");
-  if (!tree) { 
-    Char_t ename[100]; 
-    sprintf(ename,"%d",eventNr);
-    fEvent = (AliESD*)f.Get(ename);
-    if (!fEvent){
-      sprintf(ename,"ESD%d",eventNr);
-      fEvent = (AliESD*)f.Get(ename);
-    }
-  }
-  else{
-    tree->SetBranchStatus("*",1);
-    tree->SetBranchAddress("ESD", &fEvent);
-    tree->SetBranchAddress("ESDfriend.",&fESDfriend);
-    tree->GetEntry(eventNr);
-    fEvent->SetESDfriend(fESDfriend);    
-  }
-
-
-  /*
-  Char_t ename[100]; 
-  sprintf(ename,"%d",eventNr);
-  fEvent = (AliESD*)f.Get(ename);
-  if (!fEvent){
-    sprintf(ename,"ESD%d",eventNr);
-    fEvent = (AliESD*)f.Get(ename);
-  }
-  
-  TTree* tree = (TTree*) f.Get("esdTree");
-  if (!tree) {
-    Error("CheckESD", "no ESD tree found");
-    return kFALSE;
-  }
-  tree->SetBranchAddress("ESD", &fEvent);
-  tree->GetEntry(eventNr);
-  */
-
-  if (!fEvent) return 1;
-
-  return 0;
-}
-
-
-
-////////////////////////////////////////////////////////////////////////
-void ESDCmpTr::Reset()
-{
-  fEventNr = 0;
-  fNEvents = 0;
-  fTreeCmp = 0;
-  fTreeCmpKinks =0;
-  fTreeCmpV0 =0;
-  //  fFnCmp = "cmpTracks.root";
-  fFileGenTracks = 0;
-  fDebug = 0;
-  //
-  fParamTPC = 0;
-  fEvent =0;
-}
-
-////////////////////////////////////////////////////////////////////////
-Int_t ESDCmpTr::Exec(Int_t nEvents, Int_t firstEventNr)
-{
-  fNEvents = nEvents;
-  fFirstEventNr = firstEventNr;
-  return Exec();
-}
-
-////////////////////////////////////////////////////////////////////////
-Int_t ESDCmpTr::Exec()
-{
-  TStopwatch timer;
-  timer.Start();
-
-  if (SetIO()==1) 
-    return 1;
-   
-  fNextTreeGenEntryToRead = 0;
-  fNextKinkToRead = 0;
-  fNextV0ToRead   =0;
-  cerr<<"fFirstEventNr, fNEvents: "<<fFirstEventNr<<" "<<fNEvents<<endl;
-  for (Int_t eventNr = fFirstEventNr; eventNr < fFirstEventNr+fNEvents;
-       eventNr++) {
-    fEventNr = eventNr;
-    SetIO(fEventNr);
-    fNParticles = gAlice->GetEvent(fEventNr);    
-
-    fIndexRecTracks = new Short_t[fNParticles*20];  //write at maximum 4 tracks corresponding to particle
-    fIndexRecKinks  = new Short_t[fNParticles*20];  //write at maximum 20 tracks corresponding to particle
-    fIndexRecV0  = new Short_t[fNParticles*20];  //write at maximum 20 tracks corresponding to particle
-
-    fFakeRecTracks = new Short_t[fNParticles];
-    fMultiRecTracks = new Short_t[fNParticles];
-    fMultiRecKinks = new Short_t[fNParticles];
-    fMultiRecV0 = new Short_t[fNParticles];
-
-    for (Int_t i = 0; i<fNParticles; i++) {
-      for (Int_t j=0;j<20;j++){
-       fIndexRecTracks[20*i+j] = -1;
-       fIndexRecKinks[20*i+j]  = -1;
-       fIndexRecV0[20*i+j]  = -1;
-      }
-      fFakeRecTracks[i] = 0;
-      fMultiRecTracks[i] = 0;
-      fMultiRecKinks[i] = 0;
-      fMultiRecV0[i] = 0;      
-    }
-  
-    cout<<"Start to process event "<<fEventNr<<endl;
-    cout<<"\tfNParticles = "<<fNParticles<<endl;
-    if (fDebug>2) cout<<"\tStart loop over TreeT"<<endl;
-    if (TreeTLoop()>0) return 1;
-
-    if (fDebug>2) cout<<"\tStart loop over tree genTracks"<<endl;
-    if (TreeGenLoop(eventNr)>0) return 1;
-    BuildKinkInfo0(eventNr);
-    BuildV0Info(eventNr);
-    fRecArray->Delete();
-
-    if (fDebug>2) cout<<"\tEnd loop over tree genTracks"<<endl;
-
-    delete [] fIndexRecTracks;
-    delete [] fIndexRecKinks;
-    delete [] fIndexRecV0;
-    delete [] fFakeRecTracks;
-    delete [] fMultiRecTracks;
-    delete [] fMultiRecKinks;
-    delete [] fMultiRecV0;
-  }
-
-  CloseOutputFile();
-
-  cerr<<"Exec finished"<<endl;
-  timer.Stop();
-  timer.Print();
-  return 0;
-
-}
-////////////////////////////////////////////////////////////////////////
-Bool_t ESDCmpTr::ConnectGenTree()
-{
-//
-// connect all branches from the genTracksTree
-// use the same variables as for the new cmp tree, it may work
-//
-  fFileGenTracks = TFile::Open(fFnGenTracks,"READ");
-  if (!fFileGenTracks) {
-    cerr<<"Error in ConnectGenTree: cannot open file "<<fFnGenTracks<<endl;
-    return kFALSE;
-  }
-  fTreeGenTracks = (TTree*)fFileGenTracks->Get("genTracksTree");
-  if (!fTreeGenTracks) {
-    cerr<<"Error in ConnectGenTree: cannot find genTracksTree in the file "
-       <<fFnGenTracks<<endl;
-    return kFALSE;
-  }
-  //
-  fMCInfo = new AliMCInfo;
-  fTreeGenTracks->SetBranchAddress("MC",&fMCInfo);
-  //
-  //
-  fTreeGenKinks = (TTree*)fFileGenTracks->Get("genKinksTree");
-  if (!fTreeGenKinks) {
-    cerr<<"Error in ConnectGenTree: cannot find genTracksTree in the file "
-       <<fFnGenTracks<<endl;
-    //return kFALSE;
-  }
-  else{
-    fGenKinkInfo = new AliGenKinkInfo;
-    fTreeGenKinks->SetBranchAddress("MC",&fGenKinkInfo);
-  }
-
-  fTreeGenV0 = (TTree*)fFileGenTracks->Get("genV0Tree");
-  if (!fTreeGenV0) {
-    cerr<<"Error in ConnectGenTree: cannot find genTracksTree in the file "
-       <<fFnGenTracks<<endl;
-    //return kFALSE;
-  }
-  else{
-    fGenV0Info = new AliGenV0Info;
-    fTreeGenV0->SetBranchAddress("MC",&fGenV0Info);
-  }
-  //
-  if (fDebug > 1) {
-    cout<<"Number of gen. tracks with TR: "<<fTreeGenTracks->GetEntries()<<endl;
-  }
-  return kTRUE;
-}
-
-
-////////////////////////////////////////////////////////////////////////
-void ESDCmpTr::CreateTreeCmp() 
-{
-  fFileCmp = TFile::Open(fFnCmp,"RECREATE");
-  if (!fFileCmp) {
-    cerr<<"Error in CreateTreeCmp: cannot open file "<<fFnCmp<<endl;
-    return;
-  }
-  //
-  //
-  fTreeCmp    = new TTree("ESDcmpTracks","ESDcmpTracks");
-  fMCInfo = new AliMCInfo;
-  fRecInfo = new AliESDRecInfo;
-  AliESDtrack * esdTrack = new AliESDtrack; 
-  //  AliITStrackMI * itsTrack = new AliITStrackMI;  
-  fTreeCmp->Branch("MC","AliMCInfo",&fMCInfo,256000);
-  fTreeCmp->Branch("RC","AliESDRecInfo",&fRecInfo,256000);
-  //  fTreeCmp->Branch("ITS","AliITStrackMI",&itsTrack);
-  delete esdTrack;
-  //
-  //
-  fTreeCmpKinks    = new TTree("ESDcmpKinks","ESDcmpKinks"); 
-  fGenKinkInfo     = new AliGenKinkInfo;
-  fRecKinkInfo     = new AliESDRecKinkInfo;
-  fTreeCmpKinks->Branch("MC.","AliGenKinkInfo",&fGenKinkInfo,256000);
-  fTreeCmpKinks->Branch("RC.","AliESDRecKinkInfo",&fRecKinkInfo,256000);
-  //
-  //
-  fTreeCmpV0       = new TTree("ESDcmpV0","ESDcmpV0"); 
-  fGenV0Info     = new AliGenV0Info;
-  fRecV0Info     = new AliESDRecV0Info;
-  fTreeCmpV0->Branch("MC.","AliGenV0Info",   &fGenV0Info,256000);
-  fTreeCmpV0->Branch("RC.","AliESDRecV0Info",&fRecV0Info,256000);
-  //
-  fTreeCmp->AutoSave(); 
-  fTreeCmpKinks->AutoSave(); 
-  fTreeCmpV0->AutoSave(); 
-}
-////////////////////////////////////////////////////////////////////////
-void ESDCmpTr::CloseOutputFile()  
-{
-  if (!fFileCmp) {
-    cerr<<"File "<<fFnCmp<<" not found as an open file."<<endl;
-    return;
-  }
-  fFileCmp->cd();
-  fTreeCmp->Write();    
-  delete fTreeCmp;
-  
-  fFileCmp->Close();
-  delete fFileCmp;
-  return;
-}
-////////////////////////////////////////////////////////////////////////
-
-TVector3 ESDCmpTr::TR2Local(AliTrackReference *trackRef,
-                           AliTPCParam *paramTPC) {
-
-  Float_t x[3] = { trackRef->X(),trackRef->Y(),trackRef->Z()};
-  Int_t index[4];
-  paramTPC->Transform0to1(x,index);
-  paramTPC->Transform1to2Ideal(x,index);
-  return TVector3(x);
-}
-////////////////////////////////////////////////////////////////////////
-
-Int_t ESDCmpTr::TreeTLoop()
-{
-  //
-  // loop over all ESD reconstructed tracks and store info in memory
-  //
-  // + loop over all reconstructed kinks
-  TStopwatch  timer;
-  timer.Start();
-  //  
-  Int_t nEntries = (Int_t)fEvent->GetNumberOfTracks();  
-  Int_t nKinks = (Int_t) fEvent->GetNumberOfKinks();
-  Int_t nV0MIs = (Int_t) fEvent->GetNumberOfV0s();
-  fSignedKinks = new Short_t[nKinks];
-  fSignedV0    = new Short_t[nV0MIs];
-  //
-  // load kinks to the memory
-  for (Int_t i=0; i<nKinks;i++){
-    AliESDkink * kink =fEvent->GetKink(i);
-    fSignedKinks[i]=0;
-    if (kink->fStatus<0) continue;
-  }
-  //
-  for (Int_t i=0; i<nV0MIs;i++){
-    AliV0 * v0MI = (AliV0*)fEvent->GetV0(i);
-    fSignedV0[i]=0;
-    if (v0MI->fStatus<0) continue;
-  }
-  
-  //
-  //
-  AliESDtrack * track=0;
-  for (Int_t iEntry=0; iEntry<nEntries;iEntry++){
-    //track = (AliESDtrack*)fTracks->UncheckedAt(iEntry);
-    track = (AliESDtrack*)fEvent->GetTrack(iEntry);
-    //
-    Int_t label = track->GetLabel();
-    Int_t absLabel = abs(label);
-    if (absLabel < fNParticles) {
-      //      fIndexRecTracks[absLabel] =  iEntry;
-      if (label < 0) fFakeRecTracks[absLabel]++;      
-      if (fMultiRecTracks[absLabel]>0){
-       if (fMultiRecTracks[absLabel]<20)
-         fIndexRecTracks[absLabel*20+fMultiRecTracks[absLabel]] =  iEntry;     
-      }
-      else      
-       fIndexRecTracks[absLabel*20] =  iEntry;
-      fMultiRecTracks[absLabel]++;
-    }
-  }
-  // sort reconstructed kinks  
-  //
-  AliESDkink * kink=0;
-  for (Int_t iEntry=0; iEntry<nKinks;iEntry++){
-    kink = (AliESDkink*)fEvent->GetKink(iEntry);
-    if (!kink) continue;
-    //
-    Int_t label0 = TMath::Abs(kink->GetLabel(0));
-    Int_t label1 = TMath::Abs(kink->GetLabel(1));
-    Int_t absLabel = TMath::Min(label0,label1);
-    if (absLabel < fNParticles) {
-      if (fMultiRecKinks[absLabel]>0){
-       if (fMultiRecKinks[absLabel]<20)
-         fIndexRecKinks[absLabel*20+fMultiRecKinks[absLabel]] =  iEntry;       
-      }
-      else      
-       fIndexRecKinks[absLabel*20] =  iEntry;
-      fMultiRecKinks[absLabel]++;
-    }
-  }  
-  // --sort reconstructed V0
-  //
-  AliV0 * v0MI=0;
-  for (Int_t iEntry=0; iEntry<nV0MIs;iEntry++){
-    v0MI = (AliV0*)fEvent->GetV0(iEntry);
-    if (!v0MI) continue;
-    //
-    //    Int_t label0 = TMath::Abs(v0MI->fLab[0]);
-    //Int_t label1 = TMath::Abs(v0MI->fLab[1]);
-    //
-    for (Int_t i=0;i<2;i++){
-      // Int_t absLabel = TMath::Min(label0,label1);      
-      //      Int_t absLabel =  TMath::Abs(v0MI->fLab[i]);
-      Int_t absLabel =  TMath::Abs(0);
-      if (absLabel < fNParticles) {
-       if (fMultiRecV0[absLabel]>0){
-         if (fMultiRecV0[absLabel]<20)
-           fIndexRecV0[absLabel*20+fMultiRecV0[absLabel]] =  iEntry;   
-       }
-       else      
-         fIndexRecV0[absLabel*20] =  iEntry;
-       fMultiRecV0[absLabel]++;
-      }
-    }
-  }  
-
-
-  printf("Time spended in TreeTLoop\n");
-  timer.Print();
-  
-  if (fDebug > 2) cerr<<"end of TreeTLoop"<<endl;  
-  return 0;
-}
-
-////////////////////////////////////////////////////////////////////////
-Int_t ESDCmpTr::TreeGenLoop(Int_t eventNr)
-{
-//
-// loop over all entries for a given event, find corresponding 
-// rec. track and store in the fTreeCmp
-//
-  TStopwatch timer;
-  timer.Start();
-  Int_t entry = fNextTreeGenEntryToRead;
-  Double_t nParticlesTR = fTreeGenTracks->GetEntriesFast();
-  cerr<<"fNParticles, nParticlesTR, fNextTreeGenEntryToRead: "<<fNParticles<<" "
-      <<nParticlesTR<<" "<<fNextTreeGenEntryToRead<<endl;
-  TBranch * branch = fTreeCmp->GetBranch("RC");
-  TBranch * branchF = fTreeCmp->GetBranch("F");
-  
-  branch->SetAddress(&fRecInfo); // set all pointers
-  fRecArray = new TObjArray(fNParticles);
-  AliESDtrack dummytrack;  //
-  AliESDfriendTrack dummytrackF;  //
-
-  while (entry < nParticlesTR) {
-    fTreeGenTracks->GetEntry(entry);
-    entry++;
-    if (eventNr < fMCInfo->fEventNr) continue;
-    if (eventNr > fMCInfo->fEventNr) continue;;
-    //
-    fNextTreeGenEntryToRead = entry-1;
-    if (fDebug > 2 && fMCInfo->fLabel < 10) {
-      cerr<<"Fill track with a label "<<fMCInfo->fLabel<<endl;
-    }
-    //    if (fMCInfo->fNTPCRef<1) continue; // not TPCref
-    //
-    fRecInfo->Reset();
-    AliESDtrack * track=0;
-    fRecInfo->fReconstructed =0;
-    TVector3 local = TR2Local(&(fMCInfo->fTrackRef),fParamTPC);
-    local.GetXYZ(fRecInfo->fTRLocalCoord);     
-    //
-    if (fIndexRecTracks[fMCInfo->fLabel*20] >= 0) {
-      //track= (AliESDtrack*)fTracks->UncheckedAt(fIndexRecTracks[fMCInfo->fLabel*4]);
-      track= (AliESDtrack*)fEvent->GetTrack(fIndexRecTracks[fMCInfo->fLabel*20]);
-      //
-      //
-      // find nearest track if multifound
-      //Int_t sign = Int_t(track->GetSign()*fMCInfo->fCharge);
-      //
-      Int_t status = 0;
-      if  ((track->GetStatus()&AliESDtrack::kITSrefit)>0) status++;
-      if  ((track->GetStatus()&AliESDtrack::kTPCrefit)>0) status++;
-      if  ((track->GetStatus()&AliESDtrack::kTRDrefit)>0) status++;
-
-      //
-      if (fIndexRecTracks[fMCInfo->fLabel*20+1]>0){
-       //
-       Double_t p[3];
-       track->GetInnerPxPyPz(p);
-       Float_t maxp = p[0]*p[0]+p[1]*p[1]+p[2]*p[2];
-       //
-       for (Int_t i=1;i<20;i++){
-         if (fIndexRecTracks[fMCInfo->fLabel*20+i]>=0){
-           AliESDtrack * track2 = (AliESDtrack*)fEvent->GetTrack(fIndexRecTracks[fMCInfo->fLabel*20+i]);
-           if (!track2) continue;
-           //Int_t sign2 = track->GetSign()*fMCInfo->fCharge; //           
-           //if (sign2<0) continue;
-           track2->GetInnerPxPyPz(p);
-           Float_t mom = p[0]*p[0]+p[1]*p[1]+p[2]*p[2];
-           /*
-           if (sign<0){
-             sign = sign2;
-             track = track2;
-             maxp = mom;
-             continue;
-           }
-           */
-           //
-           Int_t status2 = 0;
-           if  ((track2->GetStatus()&AliESDtrack::kITSrefit)>0) status2++;
-           if  ((track2->GetStatus()&AliESDtrack::kTPCrefit)>0) status2++;
-           if  ((track2->GetStatus()&AliESDtrack::kTRDrefit)>0) status2++;
-           if (status2<status) continue;
-           //
-           if (mom<maxp) continue;
-           maxp = mom;
-           track = track2;
-           //
-         }
-       }
-      }        
-      //
-      if (track) {
-       new (&(fRecInfo->fESDTrack)) AliESDtrack(*track);
-       if (track->GetFriendTrack()){
-         new( &(fRecInfo->fTrackF)) AliESDfriendTrack(*(track->GetFriendTrack()));
-       }
-      }else{
-       fRecInfo->fESDTrack = dummytrack;
-       fRecInfo->fTrackF = dummytrackF;
-      }
-
-
-
-      if (track->GetITStrack())
-       //fRecInfo->fITStrack = *((AliITStrackMI*)track->GetITStrack());
-       new (&(fRecInfo->fITStrack)) AliITStrackMI(*((AliITStrackMI*)track->GetITStrack()));
-      else{
-       fRecInfo->fITStrack = *track;
-      }
-      if (track->GetTRDtrack()){
-       fRecInfo->fTRDtrack = *((AliTRDtrack*)track->GetTRDtrack());
-      }
-      else{
-       fRecInfo->fTRDtrack.SetdEdx(-1);
-      }
-      fRecInfo->fReconstructed = 1;
-      fRecInfo->fFake     = fFakeRecTracks[fMCInfo->fLabel];
-      fRecInfo->fMultiple = fMultiRecTracks[fMCInfo->fLabel];
-      //
-      fRecInfo->Update(fMCInfo,fParamTPC,kTRUE, fEvent);          
-    }
-    else{
-      fRecInfo->fESDTrack = dummytrack;
-      fRecInfo->Update(fMCInfo,fParamTPC,kFALSE, fEvent);
-    }
-    fRecArray->AddAt(new AliESDRecInfo(*fRecInfo),fMCInfo->fLabel);
-    fTreeCmp->Fill();
-  }
-  fTreeCmp->AutoSave();
-  //fTracks->Delete();
-  printf("Time spended in TreeGenLoop\n");
-  timer.Print();
-  if (fDebug > 2) cerr<<"end of TreeGenLoop"<<endl;
-
-  return 0;
-}
-
-
-
-////////////////////////////////////////////////////////////////////////
-////////////////////////////////////////////////////////////////////////
-////////////////////////////////////////////////////////////////////////
-Int_t ESDCmpTr::BuildKinkInfo0(Int_t eventNr)
-{
-//
-// loop over all entries for a given event, find corresponding 
-// rec. track and store in the fTreeCmp
-//
-  TStopwatch timer;
-  timer.Start();
-  Int_t entry = fNextKinkToRead;
-  Double_t nParticlesTR = fTreeGenKinks->GetEntriesFast();
-  cerr<<"fNParticles, nParticlesTR, fNextKinkToRead: "<<fNParticles<<" "
-      <<nParticlesTR<<" "<<fNextKinkToRead<<endl;
-  //
-  TBranch * branch = fTreeCmpKinks->GetBranch("RC.");
-  branch->SetAddress(&fRecKinkInfo); // set all pointers
-  
-  //
-  while (entry < nParticlesTR) {
-    fTreeGenKinks->GetEntry(entry);
-    entry++;
-    if (eventNr < fGenKinkInfo->fMCm.fEventNr) continue;
-    if (eventNr > fGenKinkInfo->fMCm.fEventNr) continue;;
-    //
-    fNextKinkToRead = entry-1;
-    //
-    //
-    AliESDRecInfo*  fRecInfo1 = (AliESDRecInfo*)fRecArray->At(fGenKinkInfo->fMCm.fLabel);
-    AliESDRecInfo*  fRecInfo2 = (AliESDRecInfo*)fRecArray->At(fGenKinkInfo->fMCd.fLabel);
-    fRecKinkInfo->fT1 = (*fRecInfo1);
-    fRecKinkInfo->fT2 = (*fRecInfo2);
-    fRecKinkInfo->fStatus =0;
-    if (fRecInfo1 && fRecInfo1->fTPCOn) fRecKinkInfo->fStatus+=1;
-    if (fRecInfo2 && fRecInfo2->fTPCOn) fRecKinkInfo->fStatus+=2;
-    if (fRecKinkInfo->fStatus==3&&fRecInfo1->fSign!=fRecInfo2->fSign) fRecKinkInfo->fStatus*=-1;
-    
-    if (fRecKinkInfo->fStatus==3){
-      fRecKinkInfo->Update();    
-    }
-    Int_t label =  TMath::Min(fGenKinkInfo->fMCm.fLabel,fGenKinkInfo->fMCd.fLabel);
-    Int_t label2 = TMath::Max(fGenKinkInfo->fMCm.fLabel,fGenKinkInfo->fMCd.fLabel);
-    
-    AliESDkink *kink=0;
-    fRecKinkInfo->fRecStatus   =0;
-    fRecKinkInfo->fMultiple    = fMultiRecKinks[label];
-    fRecKinkInfo->fKinkMultiple=0;
-    //
-    if (fMultiRecKinks[label]>0){
-
-      //      for (Int_t j=0;j<TMath::Min(fMultiRecKinks[label],100);j++){
-      for (Int_t j=TMath::Min(fMultiRecKinks[label],Short_t(20))-1;j>=0;j--){
-       Int_t index = fIndexRecKinks[label*20+j];
-       //AliESDkink *kink2  = (AliESDkink*)fKinks->At(index);
-       AliESDkink *kink2  = (AliESDkink*)fEvent->GetKink(index);
-       if (TMath::Abs(kink2->fLab[0])==label &&TMath::Abs(kink2->fLab[1])==label2) {
-         fRecKinkInfo->fKinkMultiple++;
-         fSignedKinks[index]=1;
-         Int_t c0=0;
-         if (kink){
-           //      if (kink->fTRDOn) c0++;
-           //if (kink->fITSOn) c0++;
-           if (kink->GetStatus(2)>0) c0++;
-           if (kink->GetStatus(0)>0) c0++;
-         }
-         Int_t c2=0;
-         //      if (kink2->fTRDOn) c2++;
-         //if (kink2->fITSOn) c2++;
-         if (kink2->GetStatus(2)>0) c2++;
-         if (kink2->GetStatus(0)>0) c2++;
-
-         if (c2<c0) continue;
-         kink =kink2;
-       }
-       if (TMath::Abs(kink2->fLab[1])==label &&TMath::Abs(kink2->fLab[0])==label2) {
-         fRecKinkInfo->fKinkMultiple++;
-         fSignedKinks[index]=1;
-         Int_t c0=0;
-         if (kink){
-           //if (kink->fTRDOn) c0++;
-           //if (kink->fITSOn) c0++;
-           if (kink->GetStatus(2)>0) c0++;
-           if (kink->GetStatus(0)>0) c0++;
-
-         }
-         Int_t c2=0;
-         //      if (kink2->fTRDOn) c2++;
-         //if (kink2->fITSOn) c2++;
-         if (kink2->GetStatus(2)>0) c2++;
-         if (kink2->GetStatus(0)>0) c2++;
-
-         if (c2<c0) continue;
-         kink =kink2;
-       }
-      }
-    }
-    if (kink){
-      fRecKinkInfo->fKink = *kink;
-      fRecKinkInfo->fRecStatus=1;
-    }
-    fTreeCmpKinks->Fill();
-  }
-  //  Int_t nkinks = fKinks->GetEntriesFast();
-  Int_t nkinks = fEvent->GetNumberOfKinks();
-  for (Int_t i=0;i<nkinks;i++){
-    if (fSignedKinks[i]==0){
-      //      AliESDkink *kink  = (AliESDkink*)fKinks->At(i);
-      AliESDkink *kink  = (AliESDkink*)fEvent->GetKink(i);
-      if (!kink) continue;
-      //
-      fRecKinkInfo->fKink = *kink;
-      fRecKinkInfo->fRecStatus =-2;
-      //
-      AliESDRecInfo*  fRecInfo1 = (AliESDRecInfo*)fRecArray->At(TMath::Abs(kink->fLab[0]));
-      AliESDRecInfo*  fRecInfo2 = (AliESDRecInfo*)fRecArray->At(TMath::Abs(kink->fLab[1]));
-      if (fRecInfo1 && fRecInfo2){
-       fRecKinkInfo->fT1 = (*fRecInfo1);
-       fRecKinkInfo->fT2 = (*fRecInfo2);
-       fRecKinkInfo->fRecStatus =-1;
-      }
-      fTreeCmpKinks->Fill();
-    }
-  }
-
-
-  fTreeCmpKinks->AutoSave();
-  printf("Time spended in BuilKinkInfo Loop\n");
-  timer.Print();
-  if (fDebug > 2) cerr<<"end of BuildKinkInfo Loop"<<endl;
-  return 0;
-}
-
-
-
-////////////////////////////////////////////////////////////////////////
-////////////////////////////////////////////////////////////////////////
-////////////////////////////////////////////////////////////////////////
-
-
-
-Int_t ESDCmpTr::BuildV0Info(Int_t eventNr)
-{
-//
-// loop over all entries for a given event, find corresponding 
-// rec. track and store in the fTreeCmp
-//
-  TStopwatch timer;
-  timer.Start();
-  Int_t entry = fNextV0ToRead;
-  Double_t nParticlesTR = fTreeGenV0->GetEntriesFast();
-  cerr<<"fNParticles, nParticlesTR, fNextV0ToRead: "<<fNParticles<<" "
-      <<nParticlesTR<<" "<<fNextV0ToRead<<endl;
-  //
-  TBranch * branch = fTreeCmpV0->GetBranch("RC.");
-  branch->SetAddress(&fRecV0Info); // set all pointers
-  const AliESDVertex * esdvertex = fEvent->GetVertex();
-  Float_t vertex[3]= {esdvertex->GetXv(), esdvertex->GetYv(),esdvertex->GetZv()};
-  
-  //
-  while (entry < nParticlesTR) {
-    fTreeGenV0->GetEntry(entry);
-    entry++;
-    if (eventNr < fGenV0Info->fMCm.fEventNr) continue;
-    if (eventNr > fGenV0Info->fMCm.fEventNr) continue;;
-    //
-    fNextV0ToRead = entry-1;
-    //
-    //
-    AliESDRecInfo*  fRecInfo1 = (AliESDRecInfo*)fRecArray->At(fGenV0Info->fMCm.fLabel);
-    AliESDRecInfo*  fRecInfo2 = (AliESDRecInfo*)fRecArray->At(fGenV0Info->fMCd.fLabel);
-    if (fGenV0Info->fMCm.fCharge*fGenV0Info->fMCd.fCharge>0) continue;  // interactions
-    if (!fRecInfo1 || !fRecInfo2) continue;
-    fRecV0Info->fT1 = (*fRecInfo1);
-    fRecV0Info->fT2 = (*fRecInfo2);
-    fRecV0Info->fV0Status =0;
-    if (fRecInfo1 && fRecInfo1->fStatus[1]>0) fRecV0Info->fV0Status+=1;
-    if (fRecInfo2 && fRecInfo2->fStatus[1]>0) fRecV0Info->fV0Status+=2;
-
-    if (fRecV0Info->fV0Status==3&&fRecInfo1->fSign==fRecInfo2->fSign) fRecV0Info->fV0Status*=-1;
-
-
-    if (abs(fRecV0Info->fV0Status)==3){
-      fRecV0Info->Update(vertex);
-      {
-       //
-       // TPC V0 Info
-       Double_t x,alpha, param[5],cov[15];
-       if ( fRecV0Info->fT1.fESDTrack.GetInnerParam() && fRecV0Info->fT2.fESDTrack.GetInnerParam()){
-         fRecV0Info->fT1.fESDTrack.GetInnerExternalParameters(alpha,x,param);
-         fRecV0Info->fT1.fESDTrack.GetInnerExternalCovariance(cov);
-         AliExternalTrackParam paramP(x,alpha,param,cov);
-         //
-         fRecV0Info->fT2.fESDTrack.GetInnerExternalParameters(alpha,x,param);
-         fRecV0Info->fT2.fESDTrack.GetInnerExternalCovariance(cov);
-         AliExternalTrackParam paramM(x,alpha,param,cov);
-         //
-         fRecV0Info->fV0tpc.SetParamN(paramM);
-         fRecV0Info->fV0tpc.SetParamP(paramP);
-         Double_t pid1[5],pid2[5];
-         fRecV0Info->fT1.fESDTrack.GetESDpid(pid1);
-         fRecV0Info->fT1.fESDTrack.GetESDpid(pid2);
-         //
-         //fRecV0Info->fV0tpc.UpdatePID(pid1,pid2);
-         fRecV0Info->fV0tpc.Update(vertex);
-       
-         //
-         //
-         fRecV0Info->fT1.fESDTrack.GetExternalParameters(x,param);
-         fRecV0Info->fT1.fESDTrack.GetExternalCovariance(cov);
-         alpha = fRecV0Info->fT1.fESDTrack.GetAlpha();
-         new (&paramP) AliExternalTrackParam(x,alpha,param,cov);
-         //
-         fRecV0Info->fT2.fESDTrack.GetExternalParameters(x,param);
-         fRecV0Info->fT2.fESDTrack.GetExternalCovariance(cov);
-         alpha = fRecV0Info->fT2.fESDTrack.GetAlpha();
-         new (&paramM) AliExternalTrackParam(x,alpha,param,cov);
-         //
-         fRecV0Info->fV0its.SetParamN(paramM);
-         fRecV0Info->fV0its.SetParamP(paramP);
-         //      fRecV0Info->fV0its.UpdatePID(pid1,pid2);
-         fRecV0Info->fV0its.Update(vertex);
-       }
-      }
-      if (TMath::Abs(fGenV0Info->fMCm.fPdg)==11 &&TMath::Abs(fGenV0Info->fMCd.fPdg)==11){
-       if (fRecV0Info->fDist2>10){
-         fRecV0Info->Update(vertex);
-       }
-       if (fRecV0Info->fDist2>10){
-         fRecV0Info->Update(vertex);
-       }
-      }
-    }   
-    //
-    // take the V0 from reconstruction
-    Int_t label =  TMath::Min(fGenV0Info->fMCm.fLabel,fGenV0Info->fMCd.fLabel);
-    Int_t label2 = TMath::Max(fGenV0Info->fMCm.fLabel,fGenV0Info->fMCd.fLabel);    
-    AliV0 *v0MI=0;
-    fRecV0Info->fRecStatus   =0;
-    fRecV0Info->fMultiple    = fMultiRecV0[label];
-    fRecV0Info->fV0Multiple=0;
-    //
-    if (fMultiRecV0[label]>0 || fMultiRecV0[label2]>0){
-
-      //      for (Int_t j=0;j<TMath::Min(fMultiRecV0s[label],100);j++){
-      for (Int_t j=TMath::Min(fMultiRecV0[label],Short_t(20))-1;j>=0;j--){
-       Int_t index = fIndexRecV0[label*20+j];
-       if (index<0) continue;
-       AliV0 *v0MI2  = (AliV0*)fEvent->GetV0(index);
-//     if (TMath::Abs(v0MI2->fLab[0])==label &&TMath::Abs(v0MI2->fLab[1])==label2) {
-//       v0MI =v0MI2;
-//       fRecV0Info->fV0Multiple++;
-//       fSignedV0[index]=1;
-//     }
-//     if (TMath::Abs(v0MI2->fLab[1])==label &&TMath::Abs(v0MI2->fLab[0])==label2) {
-//       v0MI =v0MI2;
-//       fRecV0Info->fV0Multiple++;
-//       fSignedV0[index]=1;
-//     }
-      }
-    }
-    if (v0MI){
-      fRecV0Info->fV0rec = *v0MI;
-      fRecV0Info->fRecStatus=1;
-    }
-
-    fTreeCmpV0->Fill();
-  }
-  //
-  // write fake v0s
-
-  Int_t nV0MIs = fEvent->GetNumberOfV0s();
-  for (Int_t i=0;i<nV0MIs;i++){
-    if (fSignedV0[i]==0){
-      AliV0 *v0MI  = (AliV0*)fEvent->GetV0(i);
-      if (!v0MI) continue;
-      //
-      fRecV0Info->fV0rec = *v0MI;
-      fRecV0Info->fV0Status  =-10;
-      fRecV0Info->fRecStatus =-2;
-      //
- //      AliESDRecInfo*  fRecInfo1 = (AliESDRecInfo*)fRecArray->At(TMath::Abs(v0MI->fLab[0]));
-//       AliESDRecInfo*  fRecInfo2 = (AliESDRecInfo*)fRecArray->At(TMath::Abs(v0MI->fLab[1]));
-//       if (fRecInfo1 && fRecInfo2){
-//     fRecV0Info->fT1 = (*fRecInfo1);
-//     fRecV0Info->fT2 = (*fRecInfo2);
-//     fRecV0Info->fRecStatus =-1;
-//       }
-      fRecV0Info->Update(vertex);
-      fTreeCmpV0->Fill();
-    }
-  }
-
-
-
-  fTreeCmpV0->AutoSave();
-  printf("Time spended in BuilV0Info Loop\n");
-  timer.Print();
-  if (fDebug > 2) cerr<<"end of BuildV0Info Loop"<<endl;
-  return 0;
-}
-////////////////////////////////////////////////////////////////////////
-////////////////////////////////////////////////////////////////////////
-
-void AliESDComparisonDraw::SetIO(const char *fname)
-{
-  //
-   TFile* file = TFile::Open(fname);
-   //
-   fTree = (TTree*) file->Get("ESDcmpTracks");
-   if (!fTree) {
-    printf("no track comparison tree found\n");
-    file->Close();
-    delete file;
-  }
-}
-
-
diff --git a/PWG1/AliESDComparisonMI.cxx b/PWG1/AliESDComparisonMI.cxx
deleted file mode 100644 (file)
index f0a5930..0000000
+++ /dev/null
@@ -1,1740 +0,0 @@
-/**************************************************************************
- * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
- *                                                                        *
- * Author: The ALICE Off-line Project.                                    *
- * Contributors are mentioned in the code where appropriate.              *
- *                                                                        *
- * Permission to use, copy, modify and distribute this software and its   *
- * documentation strictly for non-commercial purposes is hereby granted   *
- * without fee, provided that the above copyright notice appears in all   *
- * copies and that both the copyright notice and this permission notice   *
- * appear in the supporting documentation. The authors make no claims     *
- * about the suitability of this software for any purpose. It is          *
- * provided "as is" without express or implied warranty.                  *
- **************************************************************************/
-
-
-///////////////////////////////////////////////////////////////////////////////
-//                                                                           //
-//  Time Projection Chamber                                                  //
-//  Comparison macro for ESD                                                 //
-//  responsible: 
-//  marian.ivanov@cern.ch                                                    //
-//
-//
-
-/* 
-marian.ivanov@cern.ch 
-Usage:
-
-
-gSystem->Load("libPWG1.so");
-//
-AliESDComparisonMI *t2 = new AliESDComparisonMI("genTracks.root","cmpESDTracks.root","galice.root",-1,0,0);
-t2->Exec();
-
-
-TFile f("cmpESDTracks.root");
-AliTreeDraw comp;
-TTree * tree = (TTree*)f.Get("ESDcmpTracks");
-comp.SetTree(tree)
-
-
-
-//
-//some cuts definition
-TCut cprim("cprim","TMath::Sqrt(MC.fVDist[0]**2+MC.fVDist[1]**2)<0.01&&abs(MC.fVDist[2])<0.01")
-//TCut cprim("cprim","TMath::Sqrt(MC.fVDist[0]**2+MC.fVDist[1]**2)<0.5&&abs(MC.fVDist[2])<0.5")
-//TCut citsin("citsin","TMath::Sqrt(MC.fVDist[0]**2+MC.fVDist[1]**2)<3.9");
-TCut citsin("citsin","TMath::Sqrt(MC.fVDist[0]**2+MC.fVDist[1]**2)<5");
-TCut csec("csec","TMath::Sqrt(MC.fVDist[0]**2+MC.fVDist[1]**2)>0.5");
-
-
-TCut crec("crec","fReconstructed==1");
-TCut cteta1("cteta1","abs(MC.fParticle.Theta()/3.1415-0.5)<0.25");
-TCut cteta05("cteta05","abs(MC.fParticle.Theta()/3.1415-0.5)<0.1");
-
-TCut cpos1("cpos1","abs(MC.fParticle.fVz/sqrt(MC.fParticle.fVx*MC.fParticle.fVx+MC.fParticle.fVy*MC.fParticle.fVy))<1");
-TCut csens("csens","abs(sqrt(fVDist[0]**2+fVDist[1]**2)-170)<50");
-TCut cmuon("cmuon","abs(MC.fParticle.fPdgCode==-13)");
-TCut cchi2("cchi2","fESDtrack.fITSchi2MIP[0]<7.&&fESDtrack.fITSchi2MIP[1]<5.&&fESDtrack.fITSchi2MIP[2]<7.&&fESDtrack.fITSchi2MIP[3]<7.5&&fESDtrack.fITSchi2MIP[4]<6.")
-
-
-//
-//example
-comp.fTree->SetAlias("radius","TMath::Sqrt(MC.fVDist[0]**2+MC.fVDist[1]**2)");
-comp.fTree->SetAlias("direction","MC.fParticle.fVx*MC.fParticle.fPx+MC.fParticle.fVy*MC.fParticle.fPy");
-comp.fTree->SetAlias("decaydir","MC.fTRdecay.fX*MC.fTRdecay.fPx+MC.fTRdecay.fY*MC.fTRdecay.fPy");
-comp.fTree->SetAlias("theta","MC.fTrackRef.Theta()");
-comp.fTree->SetAlias("primdca","sqrt(RC.fITStrack.fD[0]**2+RC.fITStrack.fD[1]**2)");
-comp.fTree->SetAlias("trdchi2","fTRDtrack.fChi2/fTRDtrack.fN");
-comp.fTree->SetAlias("trdchi2","fTRDtrack.fChi2/fTRDtrack.fN");
-
-
-TH1F his("his","his",100,0,20);
-TH1F hpools("hpools","hpools",100,-7,7);
-TH1F hfake("hfake","hfake",1000,0,150);
-TProfile profp0("profp0","profp0",20,-0.4,0.9)
-
-comp.DrawXY("fTPCinP0[3]","fTPCDelta[4]/fTPCinP1[3]","fReconstructed==1"+cprim,"1",4,0.2,1.5,-0.06,0.06)
-comp.fRes->Draw();
-comp.fMean->Draw();  
-
-comp.DrawXY("fITSinP0[3]","fITSDelta[4]/fITSinP1[3]","fReconstructed==1&&fITSOn"+cprim,"1",4,0.2,1.5,-0.06,0.06)
-comp.fRes->Draw();
-
-comp.Eff("fTPCinP0[3]","fRowsWithDigits>120"+cteta1+cpos1+cprim,"fTPCOn",20,0.2,1.5)
-comp.fRes->Draw();
-
-comp.Eff("fTPCinP0[3]","fRowsWithDigits>120"+cteta1+cpos1+cprim,"fTPCOn&&fITSOn&&fESDtrack.fITSFakeRatio<0.1",10,0.2,1.5)
-comp.fRes->Draw();
-comp.Eff("fTPCinP0[3]","fRowsWithDigits>120"+cteta1+cpos1+cprim,"fTPCOn&&fITSOn&&fESDtrack.fITSFakeRatio>0.1",10,0.2,1.5)
-comp.fRes->Draw();
-
-comp.fTree->Draw("fESDtrack.fITSsignal/fESDtrack.fTPCsignal","fITSOn&&fTPCOn&&fESDtrack.fITSFakeRatio==0") 
-
-TH1F his("his","his",100,0,20);
-TH1F hpools("hpools","hpools",100,-7,7);
-
-TH2F * hdedx0 = new TH2F("dEdx0","dEdx0",100, 0,2,200,0,550); hdedx0->SetMarkerColor(1);
-TH2F * hdedx1 = new TH2F("dEdx1","dEdx1",100, 0,2,200,0,550); hdedx1->SetMarkerColor(4);
-TH2F * hdedx2 = new TH2F("dEdx2","dEdx2",100, 0,2,200,0,550); hdedx2->SetMarkerColor(3);
-TH2F * hdedx3 = new TH2F("dEdx3","dEdx3",100, 0,2,200,0,550); hdedx3->SetMarkerColor(2);
-
-comp.fTree->Draw("fESDtrack.fITSsignal:MC.fParticle.P()>>dEdx0","fITSOn&&abs(fPdg)==211&&fITStrack.fN==6"+cprim) 
-comp.fTree->Draw("fESDtrack.fITSsignal:MC.fParticle.P()>>dEdx1","fITSOn&&abs(fPdg)==2212&&fITStrack.fN==6"+cprim) 
-comp.fTree->Draw("fESDtrack.fITSsignal:MC.fParticle.P()>>dEdx2","fITSOn&&abs(fPdg)==321&&fITStrack.fN==6"+cprim) 
-comp.fTree->Draw("fESDtrack.fITSsignal:MC.fParticle.P()>>dEdx3","fITSOn&&abs(fPdg)==11&&fITStrack.fN==6"+cprim) 
-
-
-comp.fTree->Draw("fESDtrack.fTRDsignal:MC.fParticle.P()>>dEdx0","fTRDOn&&abs(fPdg)==211&&fTRDtrack.fN>40&&fStatus[2]>1") 
-comp.fTree->Draw("fESDtrack.fTRDsignal:MC.fParticle.P()>>dEdx1","fTRDOn&&abs(fPdg)==2212&&fTRDtrack.fN>40&&fStatus[2]>1") 
-comp.fTree->Draw("fESDtrack.fTRDsignal:MC.fParticle.P()>>dEdx2","fTRDOn&&abs(fPdg)==321&&fTRDtrack.fN>40&&fStatus[2]>1") 
-comp.fTree->Draw("fESDtrack.fTRDsignal:MC.fParticle.P()>>dEdx3","fTRDOn&&abs(fPdg)==11&&fTRDtrack.fN>40&&fStatus[2]>1") 
-
-comp.fTree->Draw("fESDtrack.fTPCsignal:fTPCinP0[4]>>dEdx0","fTPCOn&&abs(fPdg)==211&&fESDtrack.fTPCncls>180&&fESDtrack.fTPCsignal>10"+cteta1); 
-comp.fTree->Draw("fESDtrack.fTPCsignal:fTPCinP0[4]>>dEdx1","fTPCOn&&abs(fPdg)==2212&&fESDtrack.fTPCncls>180&&fESDtrack.fTPCsignal>10"+cteta1); 
-comp.fTree->Draw("fESDtrack.fTPCsignal:fTPCinP0[4]>>dEdx2","fTPCOn&&abs(fPdg)==321&&fESDtrack.fTPCncls>180&&fESDtrack.fTPCsignal>10"+cteta1); 
-comp.fTree->Draw("fESDtrack.fTPCsignal:fTPCinP0[4]>>dEdx3","fTPCOn&&abs(fPdg)==11&&fESDtrack.fTPCncls>180&&fESDtrack.fTPCsignal>10"+cteta1); 
-
-hdedx3->SetXTitle("P(GeV/c)");
-hdedx3->SetYTitle("dEdx(unit)");
-hdedx3->Draw(); hdedx1->Draw("same"); hdedx2->Draw("same"); hdedx0->Draw("same");
-
-comp.DrawXY("fITSinP0[3]","fITSPools[4]","fReconstructed==1&&fPdg==-211&&fITSOn"+cprim,"1",4,0.2,1.0,-8,8)
-
-TProfile prof("prof","prof",10,0.5,5);
-
-
-
-
-*/
-
-
-#include <stdio.h>
-#include <string.h>
-//ROOT includes
-#include "Rtypes.h"
-#include "TFile.h"
-#include "TTree.h"
-#include "TChain.h"
-#include "TCut.h"
-#include "TString.h"
-#include "TBenchmark.h"
-#include "TStopwatch.h"
-#include "TParticle.h"
-#include "TSystem.h"
-#include "TTimer.h"
-#include "TVector3.h"
-#include "TPad.h"
-#include "TCanvas.h"
-#include "TH1F.h"
-#include "TH2F.h"
-#include "TF1.h"
-#include "TText.h"
-#include "Getline.h"
-#include "TStyle.h"
-//ALIROOT includes
-#include "AliRun.h"
-#include "AliStack.h"
-#include "AliESDtrack.h"
-#include "AliSimDigits.h"
-#include "AliTPCParam.h"
-#include "AliTPC.h"
-#include "AliTPCLoader.h"
-#include "AliDetector.h"
-#include "AliTrackReference.h"
-#include "AliRun.h"
-#include "AliTPCParamSR.h"
-#include "AliTracker.h"
-#include "AliComplexCluster.h"
-#include "AliMagF.h"
-#include "AliESD.h"
-#include "AliESDfriend.h"
-#include "AliESDtrack.h"
-#include "AliTPCseed.h"
-#include "AliITStrackMI.h"
-#include "AliTRDtrack.h"
-#include "AliHelix.h"
-#include "AliESDVertex.h"
-#include "AliExternalTrackParam.h"
-#include "AliESDkink.h"
-#include "AliESDv0.h"
-#include "AliV0.h"
-//
-#include "AliTreeDraw.h"
-#include "AliGenInfo.h"
-#include "AliESDComparisonMI.h"
-
-
-
-ClassImp(AliESDRecInfo)
-ClassImp(AliESDRecV0Info)
-ClassImp(AliESDRecKinkInfo)
-ClassImp(AliESDComparisonMI)
-
-
-
-
-
-void MakeAliases(AliTreeDraw&comp)
-{
-  //
-  // aliases definition
-  //
-  comp.T()->SetAlias("radius","TMath::Sqrt(MC.fVDist[0]**2+MC.fVDist[1]**2)");
-  comp.T()->SetAlias("direction","MC.fParticle.fVx*MC.fParticle.fPx+MC.fParticle.fVy*MC.fParticle.fPy");
-  comp.T()->SetAlias("decaydir","MC.fTRdecay.fX*MC.fTRdecay.fPx+MC.fTRdecay.fY*MC.fTRdecay.fPy");
-  comp.T()->SetAlias("theta","MC.fTrackRef.Theta()");
-  comp.T()->SetAlias("primdca","sqrt(RC.fITStrack.fD[0]**2+RC.fITStrack.fD[1]**2)");
-  comp.T()->SetAlias("trdchi2","fTRDtrack.fChi2/fTRDtrack.fN");
-  comp.T()->SetAlias("trdchi2","fTRDtrack.fChi2/fTRDtrack.fN");
-  
-  comp.T()->SetAlias("trddedx","(RC.fESDtrack.fTRDsignals[0]+RC.fESDtrack.fTRDsignals[1]+RC.fESDtrack.fTRDsignals[2]+RC.fESDtrack.fTRDsignals[3]+RC.fESDtrack.fTRDsignals[4]+RC.fESDtrack.fTRDsignals[5])/6.");
-  
-  comp.T()->SetAlias("dtofmc2","fESDtrack.fTrackTime[2]-(10^12*MC.fTOFReferences[0].fTime)");
-  comp.T()->SetAlias("dtofrc2","(fESDtrack.fTrackTime[2]-fESDtrack.fTOFsignal)");
-
-  comp.T()->SetAlias("psum","fESDtrack.fTOFr[4]+fESDtrack.fTOFr[3]+fESDtrack.fTOFr[2]+fESDtrack.fTOFr[1]+fESDtrack.fTOFr[0]");
-  comp.T()->SetAlias("P0","fESDtrack.fTOFr[0]/psum");
-  comp.T()->SetAlias("P1","fESDtrack.fTOFr[1]/psum");
-  comp.T()->SetAlias("P2","fESDtrack.fTOFr[2]/psum");
-  comp.T()->SetAlias("P3","fESDtrack.fTOFr[3]/psum");
-  comp.T()->SetAlias("P4","fESDtrack.fTOFr[4]/psum");
-  comp.T()->SetAlias("MaxP","max(max(max(P0,P1),max(P2,P3)),P4)");
-}
-
-
-AliESDRecInfo::AliESDRecInfo(): 
-  fITSOn(0),           // ITS refitted inward
-  fTRDOn(0),           // ITS refitted inward
-  fDeltaP(0),          //delta of momenta
-  fSign(0),           // sign
-  fReconstructed(0),         //flag if track was reconstructed
-  fFake(0),             // fake track
-  fMultiple(0),         // number of reconstructions
-  fTPCOn(0),           // TPC refitted inward
-  fBestTOFmatch(0),        //best matching between times
-  fESDtrack(0),        // esd track
-  fTrackF(0),      // friend track
-  fTPCtrack(0),        // tpc track
-  fITStrack(0),        // its track
-  fTRDtrack(0)        // trd track  
-{
-  //
-  //  default constructor
-  //
-}
-
-
-AliESDRecInfo::AliESDRecInfo(const AliESDRecInfo& recinfo):
-  TObject()
-{
-  //
-  //
-  //
-  memcpy(this,&recinfo, sizeof(recinfo));
-  fESDtrack=0; fTrackF=0; fTPCtrack=0;fITStrack=0;fTRDtrack=0;
-  SetESDtrack(recinfo.GetESDtrack());
-}
-
-
-AliESDRecInfo::~AliESDRecInfo()
-
-{
-  //
-  //  destructor
-  //
-  if (fESDtrack) { delete fESDtrack; fESDtrack=0;}
-  if (fTrackF)   { delete fTrackF;   fTrackF=0;}
-  if (fTPCtrack) { delete fTPCtrack; fTPCtrack=0;}
-  if (fITStrack) { delete fITStrack; fITStrack=0;}
-  if (fTRDtrack) { delete fTRDtrack; fTRDtrack=0;}
-
-}
-
-
-
-void AliESDRecInfo::Reset()
-{
-  //
-  // reset info
-  //
-  fMultiple =0; 
-  fFake     =0;
-  fReconstructed=0;
-  if (fESDtrack) { delete fESDtrack; fESDtrack=0;}
-  if (fTrackF)   { delete fTrackF;   fTrackF=0;}
-  if (fTPCtrack) { delete fTPCtrack; fTPCtrack=0;}
-  if (fITStrack) { delete fITStrack; fITStrack=0;}
-  if (fTRDtrack) { delete fTRDtrack; fTRDtrack=0;}
-} 
-
-void AliESDRecInfo::SetESDtrack(const AliESDtrack *track){
-  //
-  //
-  //
-  if (fESDtrack) delete fESDtrack;
-  fESDtrack = (AliESDtrack*)track->Clone();
-  if (track->GetFriendTrack()){
-    if (fTrackF) delete fTrackF;
-    fTrackF = (AliESDfriendTrack*)track->GetFriendTrack()->Clone();
-  }
-  
-}
-
-void  AliESDRecInfo::UpdatePoints(AliESDtrack*track)
-{
-  //
-  //
-  Int_t iclusters[200];
-  Float_t density[160];
-  for (Int_t i=0;i<160;i++) density[i]=-1.;
-  fTPCPoints[0]= 160;
-  fTPCPoints[1] = -1;
-  //
-  if (fTPCPoints[0]<fTPCPoints[1]) return;
-  //  Int_t nclusters=track->GetTPCclusters(iclusters);
-
-  Int_t ngood=0;
-  Int_t undeff=0;
-  Int_t nall =0;
-  Int_t range=20;
-  for (Int_t i=0;i<160;i++){
-    Int_t last = i-range;
-    if (nall<range) nall++;
-    if (last>=0){
-      if (iclusters[last]>0&& (iclusters[last]&0x8000)==0) ngood--;
-      if (iclusters[last]==-1) undeff--;
-    }
-    if (iclusters[i]>0&& (iclusters[i]&0x8000)==0)   ngood++;
-    if (iclusters[i]==-1) undeff++;
-    if (nall==range &&undeff<range/2) density[i-range/2] = Float_t(ngood)/Float_t(nall-undeff);
-  }
-  Float_t maxdens=0;
-  Int_t indexmax =0;
-  for (Int_t i=0;i<160;i++){
-    if (density[i]<0) continue;
-    if (density[i]>maxdens){
-      maxdens=density[i];
-      indexmax=i;
-    }
-  }
-  //
-  //max dens point
-  fTPCPoints[3] = maxdens;
-  fTPCPoints[1] = indexmax;
-  //
-  // last point
-  for (Int_t i=indexmax;i<160;i++){
-    if (density[i]<0) continue;
-    if (density[i]<maxdens/2.) {
-      break;
-    }
-    fTPCPoints[2]=i;
-  }
-  //
-  // first point
-  for (Int_t i=indexmax;i>0;i--){
-    if (density[i]<0) continue;
-    if (density[i]<maxdens/2.) {
-      break;
-    }
-    fTPCPoints[0]=i;
-  }
-  //
-  // Density at the last 30 padrows
-  //
-  // 
-  nall  = 0;
-  ngood = 0;
-  for (Int_t i=159;i>0;i--){
-    if (iclusters[i]==-1) continue; //dead zone
-    nall++;
-    if (iclusters[i]>0)   ngood++;
-    if (nall>20) break;
-  }
-  fTPCPoints[4] = Float_t(ngood)/Float_t(nall);
-  //
-  if ((track->GetStatus()&AliESDtrack::kITSrefit)>0) fTPCPoints[0]=-1;
-
-
-}
-
-//
-//
-void AliESDRecInfo::Update(AliMCInfo* info,AliTPCParam * /*par*/, Bool_t reconstructed, AliESD */*event*/)
-{
-  //
-  //
-  //calculates derived variables
-  //  
-  //
-  UpdatePoints(fESDtrack);
-  fBestTOFmatch=1000;
-  AliTrackReference * ref = &(info->fTrackRef);
-  fTPCinR0[0] = info->fTrackRef.X();   
-  fTPCinR0[1] = info->fTrackRef.Y();   
-  fTPCinR0[2] = info->fTrackRef.Z();
-  fTPCinR0[3] = TMath::Sqrt(fTPCinR0[0]*fTPCinR0[0]+fTPCinR0[1]*fTPCinR0[1]);
-  fTPCinR0[4] = TMath::ATan2(fTPCinR0[1],fTPCinR0[0]);
-  //
-  fTPCinP0[0] = ref->Px();
-  fTPCinP0[1] = ref->Py();
-  fTPCinP0[2] = ref->Pz();
-  fTPCinP0[3] = ref->Pt();
-  fTPCinP0[4] = ref->P();
-  fDeltaP     = (ref->P()-info->fParticle.P())/info->fParticle.P();
-  //
-  //
-  if (fTPCinP0[3]>0.0000001){
-    //
-    fTPCAngle0[0] = TMath::ATan2(fTPCinP0[1],fTPCinP0[0]);
-    fTPCAngle0[1] = TMath::ATan(fTPCinP0[2]/fTPCinP0[3]);
-  }
-  //
-  //
-  fITSinP0[0]=info->fParticle.Px();
-  fITSinP0[1]=info->fParticle.Py();
-  fITSinP0[2]=info->fParticle.Pz();
-  fITSinP0[3]=info->fParticle.Pt();    
-  //
-  fITSinR0[0]=info->fParticle.Vx();
-  fITSinR0[1]=info->fParticle.Vy();
-  fITSinR0[2]=info->fParticle.Vz();
-  fITSinR0[3] = TMath::Sqrt(fITSinR0[0]*fITSinR0[0]+fITSinR0[1]*fITSinR0[1]);
-  fITSinR0[4] = TMath::ATan2(fITSinR0[1],fITSinR0[0]);
-  //
-  //
-  if (fITSinP0[3]>0.0000001){
-    fITSAngle0[0] = TMath::ATan2(fITSinP0[1],fITSinP0[0]);
-    fITSAngle0[1] = TMath::ATan(fITSinP0[2]/fITSinP0[3]);
-  }
-  //
-  for (Int_t i=0;i<4;i++) fStatus[i] =0;
-  fReconstructed = kFALSE;
-  fTPCOn = kFALSE;
-  fITSOn = kFALSE;
-  fTRDOn = kFALSE;  
-  if (reconstructed==kFALSE) return;
-
-  fLabels[0] = info->fLabel;
-  fLabels[1] = info->fPrimPart;
-  fReconstructed = kTRUE;
-  fTPCOn = ((fESDtrack->GetStatus()&AliESDtrack::kTPCrefit)>0) ? kTRUE : kFALSE;
-  fITSOn = ((fESDtrack->GetStatus()&AliESDtrack::kITSrefit)>0) ? kTRUE : kFALSE;
-  fTRDOn = ((fESDtrack->GetStatus()&AliESDtrack::kTRDrefit)>0) ? kTRUE : kFALSE;
-  //
-  //  
-  if ((fESDtrack->GetStatus()&AliESDtrack::kTPCrefit)>0){
-    fStatus[1] =3;
-  }
-  else{
-    if ((fESDtrack->GetStatus()&AliESDtrack::kTPCout)>0){
-      fStatus[1] =2;
-    }
-    else{
-      if ((fESDtrack->GetStatus()&AliESDtrack::kTPCin)>0)
-       fStatus[1]=1;
-    }      
-  }
-  //
-  if ((fESDtrack->GetStatus()&AliESDtrack::kITSout)>0){
-    fStatus[0] =2;
-  }
-  else{
-    if ((fESDtrack->GetStatus()&AliESDtrack::kITSrefit)>0){
-      fStatus[0] =1;
-    }
-    else{
-      fStatus[0]=0;
-    }      
-  }
-
-  //
-  //
-  if ((fESDtrack->GetStatus()&AliESDtrack::kTRDrefit)>0){
-    fStatus[2] =2;
-  }
-  else{
-    if ((fESDtrack->GetStatus()&AliESDtrack::kTRDout)>0){
-      fStatus[2] =1;
-    }
-  }
-  if ((fESDtrack->GetStatus()&AliESDtrack::kTRDStop)>0){
-    fStatus[2] =10;
-  }
-
-  //
-  //TOF 
-  // 
-  if (((fESDtrack->GetStatus()&AliESDtrack::kTOFout)>0)){
-    //
-    // best tof match
-    Double_t times[5];
-    fESDtrack->GetIntegratedTimes(times);    
-    for (Int_t i=0;i<5;i++){
-      if ( TMath::Abs(fESDtrack->GetTOFsignal()-times[i]) <TMath::Abs(fBestTOFmatch) ){
-       fBestTOFmatch = fESDtrack->GetTOFsignal()-times[i];
-      }
-    }
-    Int_t toflabel[3];
-    fESDtrack->GetTOFLabel(toflabel);
-    Bool_t toffake=kTRUE;
-    Bool_t tofdaughter=kFALSE;
-    for (Int_t i=0;i<3;i++){
-      if (toflabel[i]<0) continue;      
-      if (toflabel[i]== TMath::Abs(fESDtrack->GetLabel()))  toffake=kFALSE;    
-      if (toflabel[i]==info->fParticle.GetDaughter(0) || (toflabel[i]==info->fParticle.GetDaughter(1))) tofdaughter=kTRUE;  // decay product of original particle
-      fStatus[3]=1;
-    }
-    if (toffake) fStatus[3] =3;       //total fake
-    if (tofdaughter) fStatus[3]=2;    //fake because of decay
-  }else{
-    fStatus[3]=0;
-  }
-
-
-  if (fStatus[1]>0 &&info->fNTPCRef>0&&TMath::Abs(fTPCinP0[3])>0.0001){
-    //TPC
-    fESDtrack->GetInnerXYZ(fTPCinR1);
-    fTPCinR1[3] = TMath::Sqrt(fTPCinR1[0]*fTPCinR1[0]+fTPCinR1[1]*fTPCinR1[1]);
-    fTPCinR1[4] = TMath::ATan2(fTPCinR1[1],fTPCinR1[0]);       
-    fESDtrack->GetInnerPxPyPz(fTPCinP1);
-    fTPCinP1[3] = TMath::Sqrt(fTPCinP1[0]*fTPCinP1[0]+fTPCinP1[1]*fTPCinP1[1]);
-    fTPCinP1[4] = TMath::Sqrt(fTPCinP1[3]*fTPCinP1[3]+fTPCinP1[2]*fTPCinP1[2]);
-    //
-    //
-    if (fTPCinP1[3]>0.000000000000001){
-      fTPCAngle1[0] = TMath::ATan2(fTPCinP1[1],fTPCinP1[0]);
-      fTPCAngle1[1] = TMath::ATan(fTPCinP1[2]/fTPCinP1[3]);  
-    }    
-    Double_t cov[15], param[5],x, alpha;
-    fESDtrack->GetInnerExternalCovariance(cov);
-    fESDtrack->GetInnerExternalParameters(alpha, x,param);
-    if (x<50) return ;
-    //
-    fTPCDelta[0] = (fTPCinR0[4]-fTPCinR1[4])*fTPCinR1[3];  //delta rfi
-    fTPCPools[0] = fTPCDelta[0]/TMath::Sqrt(cov[0]);
-    fTPCDelta[1] = (fTPCinR0[2]-fTPCinR1[2]);              //delta z
-    fTPCPools[1] = fTPCDelta[1]/TMath::Sqrt(cov[2]);
-    fTPCDelta[2] = (fTPCAngle0[0]-fTPCAngle1[0]);
-    fTPCPools[2] = fTPCDelta[2]/TMath::Sqrt(cov[5]);
-    fTPCDelta[3] = (TMath::Tan(fTPCAngle0[1])-TMath::Tan(fTPCAngle1[1]));
-    fTPCPools[3] = fTPCDelta[3]/TMath::Sqrt(cov[9]);
-    fTPCDelta[4] = (fTPCinP0[3]-fTPCinP1[3]);
-    Double_t sign = (param[4]>0)? 1.:-1; 
-    fSign =sign;
-    fTPCPools[4] = sign*(1./fTPCinP0[3]-1./fTPCinP1[3])/TMath::Sqrt(TMath::Abs(cov[14]));
-  }
-  if (fITSOn){
-    // ITS 
-    Double_t param[5],x;
-    fESDtrack->GetExternalParameters(x,param);   
-    //    fESDtrack->GetConstrainedExternalParameters(x,param);   
-    Double_t cov[15];
-    fESDtrack->GetExternalCovariance(cov);
-    //fESDtrack->GetConstrainedExternalCovariance(cov);
-    if (TMath::Abs(param[4])<0.0000000001) return;
-
-    fESDtrack->GetXYZ(fITSinR1);
-    fESDtrack->GetPxPyPz(fITSinP1);
-    fITSinP1[3] = TMath::Sqrt(fITSinP1[0]*fITSinP1[0]+fITSinP1[1]*fITSinP1[1]);
-    //
-    fITSinR1[3] = TMath::Sqrt(fITSinR1[0]*fITSinR1[0]+fITSinR1[1]*fITSinR1[1]);
-    fITSinR1[4] = TMath::ATan2(fITSinR1[1],fITSinR1[0]);
-    //
-    //
-    if (fITSinP1[3]>0.0000001){
-      fITSAngle1[0] = TMath::ATan2(fITSinP1[1],fITSinP1[0]);
-      fITSAngle1[1] = TMath::ATan(fITSinP1[2]/fITSinP1[3]);  
-    }
-    //
-    //
-    fITSDelta[0] = (fITSinR0[4]-fITSinR1[4])*fITSinR1[3];  //delta rfi
-    fITSPools[0] = fITSDelta[0]/TMath::Sqrt(cov[0]);
-    fITSDelta[1] = (fITSinR0[2]-fITSinR1[2]);              //delta z
-    fITSPools[1] = fITSDelta[1]/TMath::Sqrt(cov[2]);
-    fITSDelta[2] = (fITSAngle0[0]-fITSAngle1[0]);
-    fITSPools[2] = fITSDelta[2]/TMath::Sqrt(cov[5]);
-    fITSDelta[3] = (TMath::Tan(fITSAngle0[1])-TMath::Tan(fITSAngle1[1]));
-    fITSPools[3] = fITSDelta[3]/TMath::Sqrt(cov[9]);
-    fITSDelta[4] = (fITSinP0[3]-fITSinP1[3]);    
-    Double_t sign = (param[4]>0) ? 1:-1; 
-    fSign = sign;
-    fITSPools[4] = sign*(1./fITSinP0[3]-1./fITSinP1[3])/TMath::Sqrt(cov[14]);    
-  }
-  
-}
-
-
-void  AliESDRecV0Info::Update(Float_t vertex[3])
-{ 
-
-  if ( (fT1.fStatus[1]>0)&& (fT2.fStatus[1]>0)){
-    Float_t distance1,distance2;
-    Double_t xx[3],pp[3];
-    //
-    Double_t xd[3],pd[3],signd;
-    Double_t xm[3],pm[3],signm;
-    //
-    //
-    if (fT1.fITSOn&&fT2.fITSOn){
-      for (Int_t i=0;i<3;i++){
-       xd[i] = fT2.fITSinR1[i];
-       pd[i] = fT2.fITSinP1[i];
-       xm[i] = fT1.fITSinR1[i];
-       pm[i] = fT1.fITSinP1[i];
-      }
-    }
-    else{
-      
-      for (Int_t i=0;i<3;i++){
-       xd[i] = fT2.fTPCinR1[i];
-       pd[i] = fT2.fTPCinP1[i];
-       xm[i] = fT1.fTPCinR1[i];
-       pm[i] = fT1.fTPCinP1[i];
-      }
-    }
-    //
-    //
-    signd =  fT2.fSign<0 ? -1:1;
-    signm =  fT1.fSign<0 ? -1:1;
-
-    AliHelix dhelix1(xd,pd,signd);
-    dhelix1.GetMomentum(0,pp,0);
-    dhelix1.Evaluate(0,xx);      
-    // 
-    //  Double_t x2[3],p2[3];
-    //            
-    AliHelix mhelix(xm,pm,signm);    
-    //
-    //find intersection linear
-    //
-    Double_t phase[2][2],radius[2];
-    Int_t  points = dhelix1.GetRPHIintersections(mhelix, phase, radius,200);
-    Double_t delta1=10000,delta2=10000;  
-
-    if (points==1){
-      fRs[0] = TMath::Sqrt(radius[0]);
-      fRs[1] = TMath::Sqrt(radius[0]);
-    }
-    if (points==2){
-      fRs[0] =TMath::Min(TMath::Sqrt(radius[0]),TMath::Sqrt(radius[1]));
-      fRs[1] =TMath::Max(TMath::Sqrt(radius[0]),TMath::Sqrt(radius[1]));
-    }
-    
-    if (points>0){
-      dhelix1.LinearDCA(mhelix,phase[0][0],phase[0][1],radius[0],delta1);
-      dhelix1.LinearDCA(mhelix,phase[0][0],phase[0][1],radius[0],delta1);
-      dhelix1.LinearDCA(mhelix,phase[0][0],phase[0][1],radius[0],delta1);
-    }
-    if (points==2){    
-      dhelix1.LinearDCA(mhelix,phase[1][0],phase[1][1],radius[1],delta2);
-      dhelix1.LinearDCA(mhelix,phase[1][0],phase[1][1],radius[1],delta2);
-      dhelix1.LinearDCA(mhelix,phase[1][0],phase[1][1],radius[1],delta2);
-    }
-    if (points==1){
-      fRs[0] = TMath::Sqrt(radius[0]);
-      fRs[1] = TMath::Sqrt(radius[0]);
-      fDistMinR = delta1;
-    }
-    if (points==2){
-      if (radius[0]<radius[1]){
-       fRs[0] = TMath::Sqrt(radius[0]);
-       fRs[1] = TMath::Sqrt(radius[1]);
-       fDistMinR = delta1;
-      }
-      else{
-       fRs[0] = TMath::Sqrt(radius[1]);
-       fRs[1] = TMath::Sqrt(radius[0]);
-       fDistMinR = delta2;
-      }
-    }
-    //
-    //
-    distance1 = TMath::Min(delta1,delta2);
-    //
-    //find intersection parabolic
-    //
-    points = dhelix1.GetRPHIintersections(mhelix, phase, radius);
-    delta1=10000,delta2=10000;  
-    
-    if (points>0){
-      dhelix1.ParabolicDCA(mhelix,phase[0][0],phase[0][1],radius[0],delta1);
-    }
-    if (points==2){    
-      dhelix1.ParabolicDCA(mhelix,phase[1][0],phase[1][1],radius[1],delta2);
-    }
-    
-    distance2 = TMath::Min(delta1,delta2);
-    if (distance2>100) fDist2 =100;
-    return;
-    if (delta1<delta2){
-      //get V0 info
-      dhelix1.Evaluate(phase[0][0],fXr);
-      dhelix1.GetMomentum(phase[0][0],fPdr);
-      mhelix.GetMomentum(phase[0][1],fPm);
-      dhelix1.GetAngle(phase[0][0],mhelix,phase[0][1],fAngle);
-      fRr = TMath::Sqrt(radius[0]);
-    }
-    else{
-      dhelix1.Evaluate(phase[1][0],fXr);
-      dhelix1.GetMomentum(phase[1][0], fPdr);
-      mhelix.GetMomentum(phase[1][1], fPm);
-      dhelix1.GetAngle(phase[1][0],mhelix,phase[1][1],fAngle);
-      fRr = TMath::Sqrt(radius[1]);
-    }
-    fDist1 = TMath::Sqrt(distance1);
-    fDist2 = TMath::Sqrt(distance2);      
-    
-    if (fDist2<10.5){
-      Double_t x,alpha,param[5],cov[15];
-      //
-      fT1.GetESDtrack()->GetInnerExternalParameters(alpha,x,param);
-      fT1.GetESDtrack()->GetInnerExternalCovariance(cov);
-      AliExternalTrackParam paramm(x,alpha,param,cov);
-      //
-      fT2.GetESDtrack()->GetInnerExternalParameters(alpha,x,param);
-      fT2.GetESDtrack()->GetInnerExternalCovariance(cov);
-      AliExternalTrackParam paramd(x,alpha,param,cov);
-    }    
-    //            
-    //   
-    
-    Float_t v[3] = {fXr[0]-vertex[0],fXr[1]-vertex[1],fXr[2]-vertex[2]};
-    Float_t p[3] = {fPdr[0]+fPm[0], fPdr[1]+fPm[1],fPdr[2]+fPm[2]};
-    
-    Float_t vnorm2 = v[0]*v[0]+v[1]*v[1];
-    Float_t vnorm3 = TMath::Sqrt(v[2]*v[2]+vnorm2);
-    vnorm2 = TMath::Sqrt(vnorm2);
-    Float_t pnorm2 = p[0]*p[0]+p[1]*p[1];
-    Float_t pnorm3 = TMath::Sqrt(p[2]*p[2]+pnorm2);
-    pnorm2 = TMath::Sqrt(pnorm2);
-    
-    fPointAngleFi = (v[0]*p[0]+v[1]*p[1])/(vnorm2*pnorm2);
-    fPointAngleTh = (v[2]*p[2]+vnorm2*pnorm2)/(vnorm3*pnorm3);  
-    fPointAngle   = (v[0]*p[0]+v[1]*p[1]+v[2]*p[2])/(vnorm3*pnorm3);
-  }
-}
-
-////
-void  AliESDRecKinkInfo::Update()
-{
-
-  if ( (fT1.fTPCOn)&& (fT2.fTPCOn)){
-    //
-    // IF BOTH RECONSTRUCTED
-    Float_t distance1,distance2;
-    Double_t xx[3],pp[3];
-    //
-    Double_t xd[3],pd[3],signd;
-    Double_t xm[3],pm[3],signm;
-    for (Int_t i=0;i<3;i++){
-      xd[i] = fT2.fTPCinR1[i];
-      pd[i] = fT2.fTPCinP1[i];
-      xm[i] = fT1.fTPCinR1[i];
-      pm[i] = fT1.fTPCinP1[i];
-    }
-    signd =  fT2.fSign<0 ? -1:1;
-    signm =  fT1.fSign<0 ? -1:1;
-
-    AliHelix dhelix1(xd,pd,signd);
-    dhelix1.GetMomentum(0,pp,0);
-    dhelix1.Evaluate(0,xx);      
-    // 
-    //  Double_t x2[3],p2[3];
-    //            
-    AliHelix mhelix(xm,pm,signm);    
-    //
-    //find intersection linear
-    //
-    Double_t phase[2][2],radius[2];
-    Int_t  points = dhelix1.GetRPHIintersections(mhelix, phase, radius,200);
-    Double_t delta1=10000,delta2=10000;  
-
-    if (points==1){
-      fMinR = TMath::Sqrt(radius[0]);
-    }
-    if (points==2){
-      fMinR =TMath::Min(TMath::Sqrt(radius[0]),TMath::Sqrt(radius[1]));
-    }
-    
-    if (points>0){
-      dhelix1.LinearDCA(mhelix,phase[0][0],phase[0][1],radius[0],delta1);
-      dhelix1.LinearDCA(mhelix,phase[0][0],phase[0][1],radius[0],delta1);
-      dhelix1.LinearDCA(mhelix,phase[0][0],phase[0][1],radius[0],delta1);
-    }
-    if (points==2){    
-      dhelix1.LinearDCA(mhelix,phase[1][0],phase[1][1],radius[1],delta2);
-      dhelix1.LinearDCA(mhelix,phase[1][0],phase[1][1],radius[1],delta2);
-      dhelix1.LinearDCA(mhelix,phase[1][0],phase[1][1],radius[1],delta2);
-    }
-    if (points==1){
-      fMinR = TMath::Sqrt(radius[0]);
-      fDistMinR = delta1;
-    }
-    if (points==2){
-      if (radius[0]<radius[1]){
-       fMinR = TMath::Sqrt(radius[0]);
-       fDistMinR = delta1;
-      }
-      else{
-       fMinR = TMath::Sqrt(radius[1]);
-       fDistMinR = delta2;
-      }
-    }
-    //
-    //
-    distance1 = TMath::Min(delta1,delta2);
-    //
-    //find intersection parabolic
-    //
-    points = dhelix1.GetRPHIintersections(mhelix, phase, radius);
-    delta1=10000,delta2=10000;  
-    
-    if (points>0){
-      dhelix1.ParabolicDCA(mhelix,phase[0][0],phase[0][1],radius[0],delta1);
-    }
-    if (points==2){    
-      dhelix1.ParabolicDCA(mhelix,phase[1][0],phase[1][1],radius[1],delta2);
-    }
-    
-    distance2 = TMath::Min(delta1,delta2);
-    if (delta1<delta2){
-      //get V0 info
-      dhelix1.Evaluate(phase[0][0],fXr);
-      dhelix1.GetMomentum(phase[0][0],fPdr);
-      mhelix.GetMomentum(phase[0][1],fPm);
-      dhelix1.GetAngle(phase[0][0],mhelix,phase[0][1],fAngle);
-      fRr = TMath::Sqrt(radius[0]);
-    }
-    else{
-      dhelix1.Evaluate(phase[1][0],fXr);
-      dhelix1.GetMomentum(phase[1][0], fPdr);
-      mhelix.GetMomentum(phase[1][1], fPm);
-      dhelix1.GetAngle(phase[1][0],mhelix,phase[1][1],fAngle);
-      fRr = TMath::Sqrt(radius[1]);
-    }
-    fDist1 = TMath::Sqrt(distance1);
-    fDist2 = TMath::Sqrt(distance2);      
-    
-    if (fDist2<10.5){
-      Double_t x,alpha,param[5],cov[15];
-      //
-      fT1.GetESDtrack()->GetInnerExternalParameters(alpha,x,param);
-      fT1.GetESDtrack()->GetInnerExternalCovariance(cov);
-      AliExternalTrackParam paramm(x,alpha,param,cov);
-      //
-      fT2.GetESDtrack()->GetInnerExternalParameters(alpha,x,param);
-      fT2.GetESDtrack()->GetInnerExternalCovariance(cov);
-      AliExternalTrackParam paramd(x,alpha,param,cov);
-      /*
-      AliESDkink kink;
-      kink.Update(&paramm,&paramd);
-      //      kink.Dump();
-      Double_t diff  = kink.fRr-fRr;
-      Double_t diff2 = kink.fDist2-fDist2;
-      printf("Diff\t%f\t%f\n",diff,diff2);
-      */
-    }
-    
-    //            
-    //
-  }
-
-}
-
-
-////////////////////////////////////////////////////////////////////////
-AliESDComparisonMI::AliESDComparisonMI()
-{
-  Reset();
-}
-
-////////////////////////////////////////////////////////////////////////
-AliESDComparisonMI::AliESDComparisonMI(const char* fnGenTracks,
-                  const char* fnCmp,
-                  const char* fnGalice, Int_t direction,
-                  Int_t nEvents, Int_t firstEvent)
-{
-  Reset();
-  //  fFnGenTracks = fnGenTracks;
-  //  fFnCmp = fnCmp;
-  sprintf(fFnGenTracks,"%s",fnGenTracks);
-  sprintf(fFnCmp,"%s",fnCmp);
-
-  fFirstEventNr = firstEvent;
-  fEventNr = firstEvent;
-  fNEvents = nEvents;
-  fDirection = direction;
-  //
-  fLoader = AliRunLoader::Open(fnGalice);
-  if (gAlice){
-    //delete gAlice->GetRunLoader();
-    delete gAlice;
-    gAlice = 0x0;
-  }
-  if (fLoader->LoadgAlice()){
-    cerr<<"Error occured while l"<<endl;
-  }
-  Int_t nall = fLoader->GetNumberOfEvents();
-  if (nEvents==0) {
-    nEvents =nall;
-    fNEvents=nall;
-    fFirstEventNr=0;
-  }    
-
-  if (nall<=0){
-    cerr<<"no events available"<<endl;
-    fEventNr = 0;
-    return;
-  }
-  if (firstEvent+nEvents>nall) {
-    fEventNr = nall-firstEvent;
-    cerr<<"restricted number of events availaible"<<endl;
-  }
-  AliMagF * magf = gAlice->Field();
-  AliTracker::SetFieldMap(magf,0);
-
-}
-
-
-////////////////////////////////////////////////////////////////////////
-AliESDComparisonMI::~AliESDComparisonMI()
-{
-  if (fLoader) {
-    delete fLoader;
-  }
-}
-
-//////////////////////////////////////////////////////////////
-Int_t AliESDComparisonMI::SetIO()
-{
-  //
-  // 
-  CreateTreeCmp();
-  if (!fTreeCmp) return 1;
-  fParamTPC = GetTPCParam();
-  //
-  if (!ConnectGenTree()) {
-    cerr<<"Cannot connect tree with generated tracks"<<endl;
-    return 1;
-  }
-  return 0;
-}
-
-//////////////////////////////////////////////////////////////
-
-Int_t AliESDComparisonMI::SetIO(Int_t eventNr)
-{
-  //
-  // 
-  // SET INPUT
-  //
-  TFile f("AliESDs.root");
-  //
-  TTree* tree = (TTree*) f.Get("esdTree");
-  if (!tree) { 
-    Char_t ename[100]; 
-    sprintf(ename,"%d",eventNr);
-    fEvent = (AliESD*)f.Get(ename);
-    if (!fEvent){
-      sprintf(ename,"ESD%d",eventNr);
-      fEvent = (AliESD*)f.Get(ename);
-    }
-  }
-  else{
-    tree->SetBranchStatus("*",1);
-    tree->SetBranchAddress("ESD", &fEvent);
-    tree->SetBranchAddress("ESDfriend.",&fESDfriend);
-    tree->GetEntry(eventNr);
-    fEvent->SetESDfriend(fESDfriend);    
-  }
-
-
-  /*
-  Char_t ename[100]; 
-  sprintf(ename,"%d",eventNr);
-  fEvent = (AliESD*)f.Get(ename);
-  if (!fEvent){
-    sprintf(ename,"ESD%d",eventNr);
-    fEvent = (AliESD*)f.Get(ename);
-  }
-  
-  TTree* tree = (TTree*) f.Get("esdTree");
-  if (!tree) {
-    Error("CheckESD", "no ESD tree found");
-    return kFALSE;
-  }
-  tree->SetBranchAddress("ESD", &fEvent);
-  tree->GetEntry(eventNr);
-  */
-
-  if (!fEvent) return 1;
-
-  return 0;
-}
-
-
-
-////////////////////////////////////////////////////////////////////////
-void AliESDComparisonMI::Reset()
-{
-  fEventNr = 0;
-  fNEvents = 0;
-  fTreeCmp = 0;
-  fTreeCmpKinks =0;
-  fTreeCmpV0 =0;
-  //  fFnCmp = "cmpTracks.root";
-  fFileGenTracks = 0;
-  fDebug = 0;
-  //
-  fParamTPC = 0;
-  fEvent =0;
-}
-
-////////////////////////////////////////////////////////////////////////
-Int_t AliESDComparisonMI::Exec(Int_t nEvents, Int_t firstEventNr)
-{
-  fNEvents = nEvents;
-  fFirstEventNr = firstEventNr;
-  return Exec();
-}
-
-////////////////////////////////////////////////////////////////////////
-Int_t AliESDComparisonMI::Exec()
-{
-  TStopwatch timer;
-  timer.Start();
-
-  if (SetIO()==1) 
-    return 1;
-   
-  fNextTreeGenEntryToRead = 0;
-  fNextKinkToRead = 0;
-  fNextV0ToRead   =0;
-  cerr<<"fFirstEventNr, fNEvents: "<<fFirstEventNr<<" "<<fNEvents<<endl;
-  for (Int_t eventNr = fFirstEventNr; eventNr < fFirstEventNr+fNEvents;
-       eventNr++) {
-    fEventNr = eventNr;
-    SetIO(fEventNr);
-    fNParticles = gAlice->GetEvent(fEventNr);    
-
-    fIndexRecTracks = new Short_t[fNParticles*20];  //write at maximum 4 tracks corresponding to particle
-    fIndexRecKinks  = new Short_t[fNParticles*20];  //write at maximum 20 tracks corresponding to particle
-    fIndexRecV0  = new Short_t[fNParticles*20];  //write at maximum 20 tracks corresponding to particle
-
-    fFakeRecTracks = new Short_t[fNParticles];
-    fMultiRecTracks = new Short_t[fNParticles];
-    fMultiRecKinks = new Short_t[fNParticles];
-    fMultiRecV0 = new Short_t[fNParticles];
-
-    for (Int_t i = 0; i<fNParticles; i++) {
-      for (Int_t j=0;j<20;j++){
-       fIndexRecTracks[20*i+j] = -1;
-       fIndexRecKinks[20*i+j]  = -1;
-       fIndexRecV0[20*i+j]  = -1;
-      }
-      fFakeRecTracks[i] = 0;
-      fMultiRecTracks[i] = 0;
-      fMultiRecKinks[i] = 0;
-      fMultiRecV0[i] = 0;      
-    }
-  
-    cout<<"Start to process event "<<fEventNr<<endl;
-    cout<<"\tfNParticles = "<<fNParticles<<endl;
-    if (fDebug>2) cout<<"\tStart loop over TreeT"<<endl;
-    if (TreeTLoop()>0) return 1;
-
-    if (fDebug>2) cout<<"\tStart loop over tree genTracks"<<endl;
-    if (TreeGenLoop(eventNr)>0) return 1;
-    BuildKinkInfo0(eventNr);
-    //BuildV0Info(eventNr); // no V0 info for a moment
-    fRecArray->Delete();
-
-    if (fDebug>2) cout<<"\tEnd loop over tree genTracks"<<endl;
-
-    delete [] fIndexRecTracks;
-    delete [] fIndexRecKinks;
-    delete [] fIndexRecV0;
-    delete [] fFakeRecTracks;
-    delete [] fMultiRecTracks;
-    delete [] fMultiRecKinks;
-    delete [] fMultiRecV0;
-  }
-
-  CloseOutputFile();
-
-  cerr<<"Exec finished"<<endl;
-  timer.Stop();
-  timer.Print();
-  return 0;
-
-}
-////////////////////////////////////////////////////////////////////////
-Bool_t AliESDComparisonMI::ConnectGenTree()
-{
-//
-// connect all branches from the genTracksTree
-// use the same variables as for the new cmp tree, it may work
-//
-  fFileGenTracks = TFile::Open(fFnGenTracks,"READ");
-  if (!fFileGenTracks) {
-    cerr<<"Error in ConnectGenTree: cannot open file "<<fFnGenTracks<<endl;
-    return kFALSE;
-  }
-  fTreeGenTracks = (TTree*)fFileGenTracks->Get("genTracksTree");
-  if (!fTreeGenTracks) {
-    cerr<<"Error in ConnectGenTree: cannot find genTracksTree in the file "
-       <<fFnGenTracks<<endl;
-    return kFALSE;
-  }
-  //
-  fMCInfo = new AliMCInfo;
-  fTreeGenTracks->SetBranchAddress("MC",&fMCInfo);
-  //
-  //
-  fTreeGenKinks = (TTree*)fFileGenTracks->Get("genKinksTree");
-  if (!fTreeGenKinks) {
-    cerr<<"Error in ConnectGenTree: cannot find genTracksTree in the file "
-       <<fFnGenTracks<<endl;
-    //return kFALSE;
-  }
-  else{
-    fGenKinkInfo = new AliGenKinkInfo;
-    fTreeGenKinks->SetBranchAddress("MC",&fGenKinkInfo);
-  }
-
-  fTreeGenV0 = (TTree*)fFileGenTracks->Get("genV0Tree");
-  if (!fTreeGenV0) {
-    cerr<<"Error in ConnectGenTree: cannot find genTracksTree in the file "
-       <<fFnGenTracks<<endl;
-    //return kFALSE;
-  }
-  else{
-    fGenV0Info = new AliGenV0Info;
-    fTreeGenV0->SetBranchAddress("MC",&fGenV0Info);
-  }
-  //
-  if (fDebug > 1) {
-    cout<<"Number of gen. tracks with TR: "<<fTreeGenTracks->GetEntries()<<endl;
-  }
-  return kTRUE;
-}
-
-
-////////////////////////////////////////////////////////////////////////
-void AliESDComparisonMI::CreateTreeCmp() 
-{
-  fFileCmp = TFile::Open(fFnCmp,"RECREATE");
-  if (!fFileCmp) {
-    cerr<<"Error in CreateTreeCmp: cannot open file "<<fFnCmp<<endl;
-    return;
-  }
-  //
-  //
-  fTreeCmp    = new TTree("ESDcmpTracks","ESDcmpTracks");
-  fMCInfo = new AliMCInfo;
-  fRecInfo = new AliESDRecInfo;
-  AliESDtrack * esdTrack = new AliESDtrack; 
-  //  AliITStrackMI * itsTrack = new AliITStrackMI;  
-  fTreeCmp->Branch("MC","AliMCInfo",&fMCInfo,256000);
-  fTreeCmp->Branch("RC","AliESDRecInfo",&fRecInfo,256000);
-  //  fTreeCmp->Branch("ITS","AliITStrackMI",&itsTrack);
-  delete esdTrack;
-  //
-  //
-  fTreeCmpKinks    = new TTree("ESDcmpKinks","ESDcmpKinks"); 
-  fGenKinkInfo     = new AliGenKinkInfo;
-  fRecKinkInfo     = new AliESDRecKinkInfo;
-  fTreeCmpKinks->Branch("MC.","AliGenKinkInfo",&fGenKinkInfo,256000);
-  fTreeCmpKinks->Branch("RC.","AliESDRecKinkInfo",&fRecKinkInfo,256000);
-  //
-  //
-  fTreeCmpV0       = new TTree("ESDcmpV0","ESDcmpV0"); 
-  fGenV0Info     = new AliGenV0Info;
-  fRecV0Info     = new AliESDRecV0Info;
-  fTreeCmpV0->Branch("MC.","AliGenV0Info",   &fGenV0Info,256000);
-  fTreeCmpV0->Branch("RC.","AliESDRecV0Info",&fRecV0Info,256000);
-  //
-  fTreeCmp->AutoSave(); 
-  fTreeCmpKinks->AutoSave(); 
-  fTreeCmpV0->AutoSave(); 
-}
-////////////////////////////////////////////////////////////////////////
-void AliESDComparisonMI::CloseOutputFile()  
-{
-  if (!fFileCmp) {
-    cerr<<"File "<<fFnCmp<<" not found as an open file."<<endl;
-    return;
-  }
-  fFileCmp->cd();
-  fTreeCmp->Write();    
-  delete fTreeCmp;
-  
-  fFileCmp->Close();
-  delete fFileCmp;
-  return;
-}
-////////////////////////////////////////////////////////////////////////
-
-TVector3 AliESDComparisonMI::TR2Local(AliTrackReference *trackRef,
-                           AliTPCParam *paramTPC) {
-
-  Float_t x[3] = { trackRef->X(),trackRef->Y(),trackRef->Z()};
-  Int_t index[4];
-  paramTPC->Transform0to1(x,index);
-  paramTPC->Transform1to2Ideal(x,index);
-  return TVector3(x);
-}
-////////////////////////////////////////////////////////////////////////
-
-Int_t AliESDComparisonMI::TreeTLoop()
-{
-  //
-  // loop over all ESD reconstructed tracks and store info in memory
-  //
-  // + loop over all reconstructed kinks
-  TStopwatch  timer;
-  timer.Start();
-  //  
-  Int_t nEntries = (Int_t)fEvent->GetNumberOfTracks();  
-  Int_t nKinks = (Int_t) fEvent->GetNumberOfKinks();
-  Int_t nV0MIs = (Int_t) fEvent->GetNumberOfV0s();
-  fSignedKinks = new Short_t[nKinks];
-  fSignedV0    = new Short_t[nV0MIs];
-  //
-  // load kinks to the memory
-  for (Int_t i=0; i<nKinks;i++){
-    AliESDkink * kink =fEvent->GetKink(i);
-    fSignedKinks[i]=0;
-  }
-  //
-  for (Int_t i=0; i<nV0MIs;i++){
-    AliV0 * v0MI = (AliV0*)fEvent->GetV0(i);
-    fSignedV0[i]=0;
-  }
-  
-  //
-  //
-  AliESDtrack * track=0;
-  for (Int_t iEntry=0; iEntry<nEntries;iEntry++){
-    //track = (AliESDtrack*)fTracks->UncheckedAt(iEntry);
-    track = (AliESDtrack*)fEvent->GetTrack(iEntry);
-    //
-    Int_t label = track->GetLabel();
-    Int_t absLabel = abs(label);
-    if (absLabel < fNParticles) {
-      //      fIndexRecTracks[absLabel] =  iEntry;
-      if (label < 0) fFakeRecTracks[absLabel]++;      
-      if (fMultiRecTracks[absLabel]>0){
-       if (fMultiRecTracks[absLabel]<20)
-         fIndexRecTracks[absLabel*20+fMultiRecTracks[absLabel]] =  iEntry;     
-      }
-      else      
-       fIndexRecTracks[absLabel*20] =  iEntry;
-      fMultiRecTracks[absLabel]++;
-    }
-  }
-  // sort reconstructed kinks  
-  //
-  AliESDkink * kink=0;
-  for (Int_t iEntry=0; iEntry<nKinks;iEntry++){
-    kink = (AliESDkink*)fEvent->GetKink(iEntry);
-    if (!kink) continue;
-    //
-    Int_t label0 = TMath::Abs(kink->GetLabel(0));
-    Int_t label1 = TMath::Abs(kink->GetLabel(1));
-    Int_t absLabel = TMath::Min(label0,label1);
-    if (absLabel < fNParticles) {
-      if (fMultiRecKinks[absLabel]>0){
-       if (fMultiRecKinks[absLabel]<20)
-         fIndexRecKinks[absLabel*20+fMultiRecKinks[absLabel]] =  iEntry;       
-      }
-      else      
-       fIndexRecKinks[absLabel*20] =  iEntry;
-      fMultiRecKinks[absLabel]++;
-    }
-  }  
-  // --sort reconstructed V0
-  //
-//   AliV0 * v0MI=0;
-//   for (Int_t iEntry=0; iEntry<nV0MIs;iEntry++){
-//     v0MI = (AliV0*)fEvent->GetV0(iEntry);
-//     if (!v0MI) continue;
-//     //
-//     Int_t label0 = TMath::Abs(v0MI->GetLabel(0));
-//     Int_t label1 = TMath::Abs(v0MI->GetLabel(1));
-//     //
-//     for (Int_t i=0;i<2;i++){
-//       Int_t absLabel =  TMath::Abs(v0MI->GetLabel(i));
-//       if (absLabel < fNParticles) {
-//     if (fMultiRecV0[absLabel]>0){
-//       if (fMultiRecV0[absLabel]<20)
-//         fIndexRecV0[absLabel*20+fMultiRecV0[absLabel]] =  iEntry;   
-//     }
-//     else      
-//       fIndexRecV0[absLabel*20] =  iEntry;
-//     fMultiRecV0[absLabel]++;
-//       }
-//     }
-//   }  
-
-
-  printf("Time spended in TreeTLoop\n");
-  timer.Print();
-  
-  if (fDebug > 2) cerr<<"end of TreeTLoop"<<endl;  
-  return 0;
-}
-
-////////////////////////////////////////////////////////////////////////
-Int_t AliESDComparisonMI::TreeGenLoop(Int_t eventNr)
-{
-//
-// loop over all entries for a given event, find corresponding 
-// rec. track and store in the fTreeCmp
-//
-  TStopwatch timer;
-  timer.Start();
-  Int_t entry = fNextTreeGenEntryToRead;
-  Double_t nParticlesTR = fTreeGenTracks->GetEntriesFast();
-  cerr<<"fNParticles, nParticlesTR, fNextTreeGenEntryToRead: "<<fNParticles<<" "
-      <<nParticlesTR<<" "<<fNextTreeGenEntryToRead<<endl;
-  TBranch * branch = fTreeCmp->GetBranch("RC");
-  TBranch * branchF = fTreeCmp->GetBranch("F");
-  
-  branch->SetAddress(&fRecInfo); // set all pointers
-  fRecArray = new TObjArray(fNParticles);
-  AliESDtrack dummytrack;  //
-  AliESDfriendTrack dummytrackF;  //
-
-  while (entry < nParticlesTR) {
-    fTreeGenTracks->GetEntry(entry);
-    entry++;
-    if (eventNr < fMCInfo->fEventNr) continue;
-    if (eventNr > fMCInfo->fEventNr) continue;;
-    //
-    fNextTreeGenEntryToRead = entry-1;
-    if (fDebug > 2 && fMCInfo->fLabel < 10) {
-      cerr<<"Fill track with a label "<<fMCInfo->fLabel<<endl;
-    }
-    //    if (fMCInfo->fNTPCRef<1) continue; // not TPCref
-    //
-    fRecInfo->Reset();
-    AliESDtrack * track=0;
-    fRecInfo->fReconstructed =0;
-    TVector3 local = TR2Local(&(fMCInfo->fTrackRef),fParamTPC);
-    local.GetXYZ(fRecInfo->fTRLocalCoord);     
-    //
-    if (fIndexRecTracks[fMCInfo->fLabel*20] >= 0) {
-      //track= (AliESDtrack*)fTracks->UncheckedAt(fIndexRecTracks[fMCInfo->fLabel*4]);
-      track= (AliESDtrack*)fEvent->GetTrack(fIndexRecTracks[fMCInfo->fLabel*20]);
-      //
-      //
-      // find nearest track if multifound
-      //Int_t sign = Int_t(track->GetSign()*fMCInfo->fCharge);
-      //
-      Int_t status = 0;
-      if  ((track->GetStatus()&AliESDtrack::kITSrefit)>0) status++;
-      if  ((track->GetStatus()&AliESDtrack::kTPCrefit)>0) status++;
-      if  ((track->GetStatus()&AliESDtrack::kTRDrefit)>0) status++;
-
-      //
-      if (fIndexRecTracks[fMCInfo->fLabel*20+1]>0){
-       //
-       Double_t p[3];
-       track->GetInnerPxPyPz(p);
-       Float_t maxp = p[0]*p[0]+p[1]*p[1]+p[2]*p[2];
-       //
-       for (Int_t i=1;i<20;i++){
-         if (fIndexRecTracks[fMCInfo->fLabel*20+i]>=0){
-           AliESDtrack * track2 = (AliESDtrack*)fEvent->GetTrack(fIndexRecTracks[fMCInfo->fLabel*20+i]);
-           if (!track2) continue;
-           //Int_t sign2 = track->GetSign()*fMCInfo->fCharge; //           
-           //if (sign2<0) continue;
-           track2->GetInnerPxPyPz(p);
-           Float_t mom = p[0]*p[0]+p[1]*p[1]+p[2]*p[2];
-           /*
-           if (sign<0){
-             sign = sign2;
-             track = track2;
-             maxp = mom;
-             continue;
-           }
-           */
-           //
-           Int_t status2 = 0;
-           if  ((track2->GetStatus()&AliESDtrack::kITSrefit)>0) status2++;
-           if  ((track2->GetStatus()&AliESDtrack::kTPCrefit)>0) status2++;
-           if  ((track2->GetStatus()&AliESDtrack::kTRDrefit)>0) status2++;
-           if (status2<status) continue;
-           //
-           if (mom<maxp) continue;
-           maxp = mom;
-           track = track2;
-           //
-         }
-       }
-      }        
-      //
-      if (track) {
-       fRecInfo->SetESDtrack(track);
-      }else{
-       fRecInfo->SetESDtrack(&dummytrack);
-      }
-      //
-
-      fRecInfo->fReconstructed = 1;
-      fRecInfo->fFake     = fFakeRecTracks[fMCInfo->fLabel];
-      fRecInfo->fMultiple = fMultiRecTracks[fMCInfo->fLabel];
-      //
-      fRecInfo->Update(fMCInfo,fParamTPC,kTRUE, fEvent);          
-    }
-    else{
-      fRecInfo->SetESDtrack(&dummytrack);
-      fRecInfo->Update(fMCInfo,fParamTPC,kFALSE, fEvent);
-    }
-    fRecArray->AddAt(new AliESDRecInfo(*fRecInfo),fMCInfo->fLabel);
-    fTreeCmp->Fill();
-  }
-  fTreeCmp->AutoSave();
-  //fTracks->Delete();
-  printf("Time spended in TreeGenLoop\n");
-  timer.Print();
-  if (fDebug > 2) cerr<<"end of TreeGenLoop"<<endl;
-
-  return 0;
-}
-
-
-
-////////////////////////////////////////////////////////////////////////
-////////////////////////////////////////////////////////////////////////
-////////////////////////////////////////////////////////////////////////
-Int_t AliESDComparisonMI::BuildKinkInfo0(Int_t eventNr)
-{
-//
-// loop over all entries for a given event, find corresponding 
-// rec. track and store in the fTreeCmp
-//
-  TStopwatch timer;
-  timer.Start();
-  Int_t entry = fNextKinkToRead;
-  Double_t nParticlesTR = fTreeGenKinks->GetEntriesFast();
-  cerr<<"fNParticles, nParticlesTR, fNextKinkToRead: "<<fNParticles<<" "
-      <<nParticlesTR<<" "<<fNextKinkToRead<<endl;
-  //
-  TBranch * branch = fTreeCmpKinks->GetBranch("RC.");
-  branch->SetAddress(&fRecKinkInfo); // set all pointers
-  
-  //
-  while (entry < nParticlesTR) {
-    fTreeGenKinks->GetEntry(entry);
-    entry++;
-    if (eventNr < fGenKinkInfo->fMCm.fEventNr) continue;
-    if (eventNr > fGenKinkInfo->fMCm.fEventNr) continue;;
-    //
-    fNextKinkToRead = entry-1;
-    //
-    //
-    AliESDRecInfo*  fRecInfo1 = (AliESDRecInfo*)fRecArray->At(fGenKinkInfo->fMCm.fLabel);
-    AliESDRecInfo*  fRecInfo2 = (AliESDRecInfo*)fRecArray->At(fGenKinkInfo->fMCd.fLabel);
-    fRecKinkInfo->fT1 = (*fRecInfo1);
-    fRecKinkInfo->fT2 = (*fRecInfo2);
-    fRecKinkInfo->fStatus =0;
-    if (fRecInfo1 && fRecInfo1->fTPCOn) fRecKinkInfo->fStatus+=1;
-    if (fRecInfo2 && fRecInfo2->fTPCOn) fRecKinkInfo->fStatus+=2;
-    if (fRecKinkInfo->fStatus==3&&fRecInfo1->fSign!=fRecInfo2->fSign) fRecKinkInfo->fStatus*=-1;
-    
-    if (fRecKinkInfo->fStatus==3){
-      fRecKinkInfo->Update();    
-    }
-    Int_t label =  TMath::Min(fGenKinkInfo->fMCm.fLabel,fGenKinkInfo->fMCd.fLabel);
-    Int_t label2 = TMath::Max(fGenKinkInfo->fMCm.fLabel,fGenKinkInfo->fMCd.fLabel);
-    
-    AliESDkink *kink=0;
-    fRecKinkInfo->fRecStatus   =0;
-    fRecKinkInfo->fMultiple    = fMultiRecKinks[label];
-    fRecKinkInfo->fKinkMultiple=0;
-    //
-    if (fMultiRecKinks[label]>0){
-
-      //      for (Int_t j=0;j<TMath::Min(fMultiRecKinks[label],100);j++){
-      for (Int_t j=TMath::Min(fMultiRecKinks[label],Short_t(20))-1;j>=0;j--){
-       Int_t index = fIndexRecKinks[label*20+j];
-       //AliESDkink *kink2  = (AliESDkink*)fKinks->At(index);
-       AliESDkink *kink2  = (AliESDkink*)fEvent->GetKink(index);
-       if (TMath::Abs(kink2->GetLabel(0))==label &&TMath::Abs(kink2->GetLabel(1))==label2) {
-         fRecKinkInfo->fKinkMultiple++;
-         fSignedKinks[index]=1;
-         Int_t c0=0;
-         if (kink){
-           //      if (kink->fTRDOn) c0++;
-           //if (kink->fITSOn) c0++;
-           if (kink->GetStatus(2)>0) c0++;
-           if (kink->GetStatus(0)>0) c0++;
-         }
-         Int_t c2=0;
-         //      if (kink2->fTRDOn) c2++;
-         //if (kink2->fITSOn) c2++;
-         if (kink2->GetStatus(2)>0) c2++;
-         if (kink2->GetStatus(0)>0) c2++;
-
-         if (c2<c0) continue;
-         kink =kink2;
-       }
-       if (TMath::Abs(kink2->GetLabel(1))==label &&TMath::Abs(kink2->GetLabel(0))==label2) {
-         fRecKinkInfo->fKinkMultiple++;
-         fSignedKinks[index]=1;
-         Int_t c0=0;
-         if (kink){
-           //if (kink->fTRDOn) c0++;
-           //if (kink->fITSOn) c0++;
-           if (kink->GetStatus(2)>0) c0++;
-           if (kink->GetStatus(0)>0) c0++;
-
-         }
-         Int_t c2=0;
-         //      if (kink2->fTRDOn) c2++;
-         //if (kink2->fITSOn) c2++;
-         if (kink2->GetStatus(2)>0) c2++;
-         if (kink2->GetStatus(0)>0) c2++;
-
-         if (c2<c0) continue;
-         kink =kink2;
-       }
-      }
-    }
-    if (kink){
-      fRecKinkInfo->fKink = *kink;
-      fRecKinkInfo->fRecStatus=1;
-    }
-    fTreeCmpKinks->Fill();
-  }
-  //  Int_t nkinks = fKinks->GetEntriesFast();
-  Int_t nkinks = fEvent->GetNumberOfKinks();
-  for (Int_t i=0;i<nkinks;i++){
-    if (fSignedKinks[i]==0){
-      //      AliESDkink *kink  = (AliESDkink*)fKinks->At(i);
-      AliESDkink *kink  = (AliESDkink*)fEvent->GetKink(i);
-      if (!kink) continue;
-      //
-      fRecKinkInfo->fKink = *kink;
-      fRecKinkInfo->fRecStatus =-2;
-      //
-      AliESDRecInfo*  fRecInfo1 = (AliESDRecInfo*)fRecArray->At(TMath::Abs(kink->GetLabel(0)));
-      AliESDRecInfo*  fRecInfo2 = (AliESDRecInfo*)fRecArray->At(TMath::Abs(kink->GetLabel(1)));
-      if (fRecInfo1 && fRecInfo2){
-       fRecKinkInfo->fT1 = (*fRecInfo1);
-       fRecKinkInfo->fT2 = (*fRecInfo2);
-       fRecKinkInfo->fRecStatus =-1;
-      }
-      fTreeCmpKinks->Fill();
-    }
-  }
-
-
-  fTreeCmpKinks->AutoSave();
-  printf("Time spended in BuilKinkInfo Loop\n");
-  timer.Print();
-  if (fDebug > 2) cerr<<"end of BuildKinkInfo Loop"<<endl;
-  return 0;
-}
-
-
-
-////////////////////////////////////////////////////////////////////////
-////////////////////////////////////////////////////////////////////////
-////////////////////////////////////////////////////////////////////////
-
-
-
-Int_t AliESDComparisonMI::BuildV0Info(Int_t eventNr)
-{
-//
-// loop over all entries for a given event, find corresponding 
-// rec. track and store in the fTreeCmp
-//
-  TStopwatch timer;
-  timer.Start();
-  Int_t entry = fNextV0ToRead;
-  Double_t nParticlesTR = fTreeGenV0->GetEntriesFast();
-  cerr<<"fNParticles, nParticlesTR, fNextV0ToRead: "<<fNParticles<<" "
-      <<nParticlesTR<<" "<<fNextV0ToRead<<endl;
-  //
-  TBranch * branch = fTreeCmpV0->GetBranch("RC.");
-  branch->SetAddress(&fRecV0Info); // set all pointers
-  const AliESDVertex * esdvertex = fEvent->GetVertex();
-  Float_t vertex[3]= {esdvertex->GetXv(), esdvertex->GetYv(),esdvertex->GetZv()};
-  
-  //
-  while (entry < nParticlesTR) {
-    fTreeGenV0->GetEntry(entry);
-    entry++;
-    if (eventNr < fGenV0Info->fMCm.fEventNr) continue;
-    if (eventNr > fGenV0Info->fMCm.fEventNr) continue;;
-    //
-    fNextV0ToRead = entry-1;
-    //
-    //
-    AliESDRecInfo*  fRecInfo1 = (AliESDRecInfo*)fRecArray->At(fGenV0Info->fMCm.fLabel);
-    AliESDRecInfo*  fRecInfo2 = (AliESDRecInfo*)fRecArray->At(fGenV0Info->fMCd.fLabel);
-    if (fGenV0Info->fMCm.fCharge*fGenV0Info->fMCd.fCharge>0) continue;  // interactions
-    if (!fRecInfo1 || !fRecInfo2) continue;
-    fRecV0Info->fT1 = (*fRecInfo1);
-    fRecV0Info->fT2 = (*fRecInfo2);
-    fRecV0Info->fV0Status =0;
-    if (fRecInfo1 && fRecInfo1->fStatus[1]>0) fRecV0Info->fV0Status+=1;
-    if (fRecInfo2 && fRecInfo2->fStatus[1]>0) fRecV0Info->fV0Status+=2;
-
-    if (fRecV0Info->fV0Status==3&&fRecInfo1->fSign==fRecInfo2->fSign) fRecV0Info->fV0Status*=-1;
-
-
-    if (abs(fRecV0Info->fV0Status)==3){
-      fRecV0Info->Update(vertex);
-      {
-       //
-       // TPC V0 Info
-       Double_t x,alpha, param[5],cov[15];
-       if ( fRecV0Info->fT1.GetESDtrack()->GetInnerParam() && fRecV0Info->fT2.GetESDtrack()->GetInnerParam()){
-         fRecV0Info->fT1.GetESDtrack()->GetInnerExternalParameters(alpha,x,param);
-         fRecV0Info->fT1.GetESDtrack()->GetInnerExternalCovariance(cov);
-         AliExternalTrackParam paramP(x,alpha,param,cov);
-         //
-         fRecV0Info->fT2.GetESDtrack()->GetInnerExternalParameters(alpha,x,param);
-         fRecV0Info->fT2.GetESDtrack()->GetInnerExternalCovariance(cov);
-         AliExternalTrackParam paramM(x,alpha,param,cov);
-         //
-         fRecV0Info->fV0tpc->SetParamN(paramM);
-         fRecV0Info->fV0tpc->SetParamP(paramP);
-         Double_t pid1[5],pid2[5];
-         fRecV0Info->fT1.GetESDtrack()->GetESDpid(pid1);
-         fRecV0Info->fT1.GetESDtrack()->GetESDpid(pid2);
-         //
-         //fRecV0Info->fV0tpc.UpdatePID(pid1,pid2);
-         fRecV0Info->fV0tpc->Update(vertex);
-       
-         //
-         //
-         fRecV0Info->fT1.GetESDtrack()->GetExternalParameters(x,param);
-         fRecV0Info->fT1.GetESDtrack()->GetExternalCovariance(cov);
-         alpha = fRecV0Info->fT1.GetESDtrack()->GetAlpha();
-         new (&paramP) AliExternalTrackParam(x,alpha,param,cov);
-         //
-         fRecV0Info->fT2.GetESDtrack()->GetExternalParameters(x,param);
-         fRecV0Info->fT2.GetESDtrack()->GetExternalCovariance(cov);
-         alpha = fRecV0Info->fT2.GetESDtrack()->GetAlpha();
-         new (&paramM) AliExternalTrackParam(x,alpha,param,cov);
-         //
-         fRecV0Info->fV0its->SetParamN(paramM);
-         fRecV0Info->fV0its->SetParamP(paramP);
-         //      fRecV0Info->fV0its.UpdatePID(pid1,pid2);
-         fRecV0Info->fV0its->Update(vertex);
-       }
-      }
-      if (TMath::Abs(fGenV0Info->fMCm.fPdg)==11 &&TMath::Abs(fGenV0Info->fMCd.fPdg)==11){
-       if (fRecV0Info->fDist2>10){
-         fRecV0Info->Update(vertex);
-       }
-       if (fRecV0Info->fDist2>10){
-         fRecV0Info->Update(vertex);
-       }
-      }
-    }   
-    //
-    // take the V0 from reconstruction
-    Int_t label =  TMath::Min(fGenV0Info->fMCm.fLabel,fGenV0Info->fMCd.fLabel);
-    Int_t label2 = TMath::Max(fGenV0Info->fMCm.fLabel,fGenV0Info->fMCd.fLabel);    
-    AliV0 *v0MI=0;
-    fRecV0Info->fRecStatus   =0;
-    fRecV0Info->fMultiple    = fMultiRecV0[label];
-    fRecV0Info->fV0Multiple=0;
-    //
-    if (fMultiRecV0[label]>0 || fMultiRecV0[label2]>0){
-
-      //      for (Int_t j=0;j<TMath::Min(fMultiRecV0s[label],100);j++){
-     //  for (Int_t j=TMath::Min(fMultiRecV0[label],Short_t(20))-1;j>=0;j--){
-//     Int_t index = fIndexRecV0[label*20+j];
-//     if (index<0) continue;
-//     AliV0 *v0MI2  = (AliV0*)fEvent->GetV0(index);
-//     if (TMath::Abs(v0MI2->GetLabel(0))==label &&TMath::Abs(v0MI2->GetLabel(1))==label2) {
-//       v0MI =v0MI2;
-//       fRecV0Info->fV0Multiple++;
-//       fSignedV0[index]=1;
-//     }
-//     if (TMath::Abs(v0MI2->GetLabel(1))==label &&TMath::Abs(v0MI2->GetLabel(0))==label2) {
-//       v0MI =v0MI2;
-//       fRecV0Info->fV0Multiple++;
-//       fSignedV0[index]=1;
-//     }
-//       }
-    }
-    if (v0MI){
-      fRecV0Info->fV0rec = v0MI;
-      fRecV0Info->fRecStatus=1;
-    }
-
-    fTreeCmpV0->Fill();
-  }
-  //
-  // write fake v0s
-
-  Int_t nV0MIs = fEvent->GetNumberOfV0s();
-  for (Int_t i=0;i<nV0MIs;i++){
-    if (fSignedV0[i]==0){
-      AliV0 *v0MI  = (AliV0*)fEvent->GetV0(i);
-      if (!v0MI) continue;
-      //
-      fRecV0Info->fV0rec = v0MI;
-      fRecV0Info->fV0Status  =-10;
-      fRecV0Info->fRecStatus =-2;
-      //
- //      AliESDRecInfo*  fRecInfo1 = (AliESDRecInfo*)fRecArray->At(TMath::Abs(v0MI->GetLabel(0)));
-//       AliESDRecInfo*  fRecInfo2 = (AliESDRecInfo*)fRecArray->At(TMath::Abs(v0MI->GetLabel(1)));
-//       if (fRecInfo1 && fRecInfo2){
-//     fRecV0Info->fT1 = (*fRecInfo1);
-//     fRecV0Info->fT2 = (*fRecInfo2);
-//     fRecV0Info->fRecStatus =-1;
-//       }
-      fRecV0Info->Update(vertex);
-      fTreeCmpV0->Fill();
-    }
-  }
-
-
-
-  fTreeCmpV0->AutoSave();
-  printf("Time spended in BuilV0Info Loop\n");
-  timer.Print();
-  if (fDebug > 2) cerr<<"end of BuildV0Info Loop"<<endl;
-  return 0;
-}
-////////////////////////////////////////////////////////////////////////
-////////////////////////////////////////////////////////////////////////
-
-
diff --git a/PWG1/AliESDComparisonMI.h b/PWG1/AliESDComparisonMI.h
deleted file mode 100644 (file)
index 2b5ed31..0000000
+++ /dev/null
@@ -1,252 +0,0 @@
-#ifndef ALIESDCOMPARISONMI_H
-#define ALIESDCOMPARISONMI_H
-/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
- * See cxx source for full Copyright notice                               */
-
-
-
-//////////////////////////////////////////////////////////////////////////////
-//                          Class AliESDComparisonMI                        //
-//   collect together MC info and Rec info for comparison purposes 
-//                                           - effieciency studies and so on//                                                                 //
-//   marian.ivanov@cern.ch                                                  //
-//////////////////////////////////////////////////////////////////////////////
-
-
-#include "TObject.h"
-#include "AliESD.h"
-
-#include "AliESDtrack.h"
-#include "AliV0.h"
-#include "AliESDfriendTrack.h"
-#include "AliITStrackMI.h"
-#include "AliTRDtrack.h"
-class AliTPCseed;
-
-/////////////////////////////////////////////////////////////////////////
-class AliESDRecInfo: public TObject {
-  
-public:
-  AliESDRecInfo();
-  AliESDRecInfo(const AliESDRecInfo& recinfo);
-  ~AliESDRecInfo();
-  void UpdatePoints(AliESDtrack* track);
-  void Update(AliMCInfo* info,AliTPCParam * par, Bool_t reconstructed, AliESD *event);
-  void Reset();
-  //
-  void SetESDtrack(const AliESDtrack *track);
-  AliESDtrack *GetESDtrack() const { return fESDtrack;}
-  AliESDfriendTrack *GetTrackF() const  { return fTrackF;}
-  AliTPCseed *GetTPCtrack() const { return fTPCtrack;}
-  AliITStrackMI *GetITStrack() const { return fITStrack;}
-  AliTRDtrack   *GetTRDtrack() const { return fTRDtrack;}
-  //
-  Float_t  fTPCPoints[10]; //start , biggest end points,max density .. density at the last 30 pad-rows
-  Double_t fTPCinR0[5];   //generated position of the track at inner tpc - radius [3] and fi [4]
-  Double_t fTPCinR1[5];   //reconstructed postion of the track           - radius [3] and fi [
-  Double_t fTPCinP0[5];   //generated position of the track at inner tpc
-  Double_t fTPCinP1[5];   //reconstructed postion of the track
-  Double_t fTPCAngle0[2]; // generated angle 
-  Double_t fTPCAngle1[2]; //refconstructed angle 
-  Double_t fTPCDelta[5];  // deltas
-  Double_t fTPCPools[5];  // pools
-  Double_t fITSinR0[5];   //generated position of the track at inner tpc
-  Double_t fITSinR1[5];   //reconstructed postion of the track
-  Double_t fITSinP0[5];   //generated position of the track at inner tpc
-  Double_t fITSinP1[5];   //reconstructed postion of the track
-  Double_t fITSAngle0[2]; // generated angle 
-  Double_t fITSAngle1[2]; //refconstructed angle
-  Double_t fITSDelta[5];  // deltas
-  Double_t fITSPools[5];  // pools
-  Float_t  fTRLocalCoord[3];       //local coordinates of the track ref.
-  Int_t    fStatus[4];        // status -0 not found - 1 -only in - 2 -in-out -3 -in -out-refit
-  Int_t    fLabels[2];         // labels
-
-  Bool_t   fITSOn;           // ITS refitted inward
-  Bool_t   fTRDOn;           // ITS refitted inward
-  Float_t  fDeltaP;          //delta of momenta
-  Double_t fSign;           // sign
-  Int_t    fReconstructed;         //flag if track was reconstructed
-  Int_t    fFake;             // fake track
-  Int_t    fMultiple;         // number of reconstructions
-  Bool_t   fTPCOn;           // TPC refitted inward
-  Float_t  fBestTOFmatch;        //best matching between times
-
-private:
-  AliESDtrack   *fESDtrack;        // esd track
-  AliESDfriendTrack *fTrackF;      // friend track
-  AliTPCseed *fTPCtrack;        // tpc track
-  AliITStrackMI *fITStrack;        // its track
-  AliTRDtrack   *fTRDtrack;        // trd track
-  
-  ClassDef(AliESDRecInfo,2)  // container for 
-};
-
-
-
-/////////////////////////////////////////////////////////
-/////////////////////////////////////////////////////////
-/////////////////////////////////////////////////////////
-
-
-class AliESDRecV0Info: public TObject {
-public:
-  void Update(Float_t vertex[3]);
-  AliESDRecInfo  fT1;      //track1
-  AliESDRecInfo  fT2;      //track2  
-  Double_t       fDist1;    //info about closest distance according closest MC - linear DCA
-  Double_t       fDist2;    //info about closest distance parabolic DCA
-  Double_t       fInvMass;  //reconstructed invariant mass -
-  //
-  Double_t       fPdr[3];    //momentum at vertex daughter  - according approx at DCA
-  Double_t       fXr[3];     //rec. position according helix
-  //
-  Double_t       fRs[2];     // minimum radius in rphi intersection
-  Double_t       fDistMinR; // distance at minimal radius
-  Double_t       fPm[3];    //momentum at the vertex mother
-  Double_t       fAngle[3]; //three angles
-  Double_t       fRr;       // rec position of the vertex 
-  Int_t          fLab[2];   //MC label of the partecle
-  Float_t        fPointAngleFi; //point angle fi
-  Float_t        fPointAngleTh; //point angle theta
-  Float_t        fPointAngle;   //point angle full
-  Int_t          fV0Status;       // status of the kink
-  AliV0*         fV0tpc;           // Vo information from reconsturction according TPC
-  AliV0*         fV0its;           // Vo information from reconsturction according ITS
-  AliV0*         fV0rec;           // V0 information form the reconstruction
-  Int_t          fMultiple;
-  Int_t          fV0Multiple;
-  Int_t          fRecStatus;    // status form the reconstuction
-  ClassDef(AliESDRecV0Info,2)   // container for  
-};
-
-
-
-class AliESDRecKinkInfo: public TObject {
-public:
-  void Update();
-  AliESDRecInfo  fT1;      //track1
-  AliESDRecInfo  fT2;      //track2  
-  AliESDkink     fKink;    //kink
-  Double_t       fDist1;    //info about closest distance according closest MC - linear DCA
-  Double_t       fDist2;    //info about closest distance parabolic DCA
-  Double_t       fInvMass;  //reconstructed invariant mass -
-  //
-  Double_t       fPdr[3];    //momentum at vertex daughter  - according approx at DCA
-  Double_t       fXr[3];     //rec. position according helix
-  //
-  Double_t       fPm[3];    //momentum at the vertex mother
-  Double_t       fAngle[3]; //three angles
-  Double_t       fRr;       // rec position of the vertex 
-  Double_t       fMinR;     // minimum radius in rphi intersection
-  Double_t       fDistMinR; // distance at minimal radius
-  Int_t          fLab[2];   //MC label of the partecle
-  Float_t        fPointAngleFi; //point angle fi
-  Float_t        fPointAngleTh; //point angle theta
-  Float_t        fPointAngle;   //point angle full
-  Int_t          fStatus;       //status -tracks 
-  Int_t          fRecStatus;    //kink -status- 0 - not found  1-good -  fake
-  Int_t          fMultiple;
-  Int_t          fKinkMultiple;
-  ClassDef(AliESDRecKinkInfo,1)   // container for  
-};
-
-
-
-
-////////////////////////////////////////////////////////////////////////
-// 
-// Start of implementation of the class AliESDComparisonMI
-//
-////////////////////////////////////////////////////////////////////////
-
-class AliESDComparisonMI {
-
-public:
-  AliESDComparisonMI();
-  AliESDComparisonMI(const char* fnGenTracks,
-          const char* fnCmpRes      ="cmpTracks.root", 
-          const char* fnGalice      ="galice.root", Int_t direction=0,
-          Int_t nEvents=1, Int_t firstEvent=0);
-  virtual ~AliESDComparisonMI();
-  void Reset();
-  Int_t Exec();
-  Int_t Exec(Int_t nEvents, Int_t firstEventNr);
-  Int_t SetIO();
-  Int_t SetIO(Int_t eventNr );
-  void CreateTreeCmp();
-  void CloseOutputFile();
-  Bool_t ConnectGenTree();
-  Int_t TreeGenLoop(Int_t eventNr);
-  Int_t TreeTLoop();
-  Int_t BuildKinkInfo0(Int_t eventNr); // build kink info 0
-  Int_t BuildV0Info(Int_t eventNr); // build kink info 0
-  void SetFirstEventNr(Int_t i) {fFirstEventNr = i;}
-  void SetNEvents(Int_t i) {fNEvents = i;}
-  void SetDebug(Int_t level) {fDebug = level;}
-
-// tmp method, should go to TrackReferenceESD
-  static TVector3 TR2Local(AliTrackReference *trackRef,
-                   AliTPCParam *paramTPC);
-
-private:
-
-  Int_t fEventNr;                 //! current event number
-  Int_t fNEvents;                 //! number of events to process
-  Int_t fFirstEventNr;            //! first event to process
-  //
-  char  fFnCmp[1000];                   //! output file name with cmp tracks
-  TFile *fFileCmp;                //! output file with cmp tracks
-  TTree *fTreeCmp;                //! output tree with cmp tracks
-  TTree *fTreeCmpKinks;                //! output tree with cmp Kinks
-  TTree *fTreeCmpV0;                //! output tree with cmp V0
-  //
-  char  fFnGenTracks[1000];             //! input file name with gen tracks
-  TFile *fFileGenTracks;
-  TTree *fTreeGenTracks;
-  TTree *fTreeGenKinks;            // tree with gen kinks
-  TTree *fTreeGenV0;            // tree with gen V0
-  //
-  //
-  Int_t  fDirection;
-  //
-  AliRunLoader * fLoader;         //! pointer to the run loader
-  //TTree *fTreeRecTracks;          //! tree with reconstructed tracks
-  //
-  Short_t *fIndexRecTracks;         //! index of particle label in the TreeT_ESD
-  Short_t *fFakeRecTracks;          //! number of fake tracks
-  Short_t *fMultiRecTracks;         //! number of multiple reconstructions
-  //
-  Short_t *fIndexRecKinks;         //! index of particle label in treeesd
-  Short_t *fMultiRecKinks;         //! number of multiple reconstructions
-  Short_t *fSignedKinks;           //! indicator that kink was not fake
-  //
-  Short_t *fIndexRecV0;         //! index of particle label in treeesd
-  Short_t *fMultiRecV0;         //! number of multiple reconstructions
-  Short_t *fSignedV0;                //! indicator that kink was not fake
-  //
-  TObjArray *fRecArray;           // container with rec infos
-  AliESD *fEvent;                 //!event
-  AliESDfriend *fESDfriend;              //!event friend
-  //
-  AliTPCParam* fParamTPC;         //! AliTPCParam
-  Int_t fNParticles;              //! number of particles in the input tree genTracks
-  Int_t fDebug;                   //! debug flag  
-  Int_t fNextTreeGenEntryToRead;    //! last entry already read from genTracks tree
-  Int_t fNextKinkToRead;            //! last entry already read from genKinks tree
-  Int_t fNextV0ToRead;            //! last entry already read from genV0 tree
-  //
-  AliMCInfo*  fMCInfo;           //! MC information writen per particle
-  AliGenKinkInfo* fGenKinkInfo;      //! MC information writen per Kink
-  AliGenV0Info* fGenV0Info;      //! MC information writen per Kink
-  AliESDRecInfo*  fRecInfo;          //! Rec. information writen per particle
-  AliESDfriendTrack*  fFriend;          //! friend track
-  AliESDRecKinkInfo* fRecKinkInfo;    //! reconstructed kink info
-  AliESDRecV0Info* fRecV0Info;    //! reconstructed kink info
-  //
-
-  ClassDef(AliESDComparisonMI,1)    // class which creates and fills tree with ESDGenTrack objects
-};
-
-
-#endif