+/**************************************************************************
+ * 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(¶mm,¶md);
+ // 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 (¶mP) AliExternalTrackParam(x,alpha,param,cov);
+ //
+ fRecV0Info->fT2.fESDTrack.GetExternalParameters(x,param);
+ fRecV0Info->fT2.fESDTrack.GetExternalCovariance(cov);
+ alpha = fRecV0Info->fT2.fESDTrack.GetAlpha();
+ new (¶mM) 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;
+ }
+}
+
+