+/**************************************************************************
+ * 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. *
+ **************************************************************************/
+
+/* $Id$ */
+
#include "AliESDtrackCuts.h"
-#include <Riostream.h>
+#include <AliESDtrack.h>
+#include <AliESD.h>
+#include <AliESDEvent.h>
+#include <AliLog.h>
+
+#include <TTree.h>
+#include <TCanvas.h>
+#include <TDirectory.h>
//____________________________________________________________________
-ClassImp(AliESDtrackCuts);
+ClassImp(AliESDtrackCuts)
+
+// Cut names
+const Char_t* AliESDtrackCuts::fgkCutNames[kNCuts] = {
+ "require TPC refit",
+ "require ITS refit",
+ "n clusters TPC",
+ "n clusters ITS",
+ "#Chi^{2}/clusters TPC",
+ "#Chi^{2}/clusters ITS",
+ "cov 11",
+ "cov 22",
+ "cov 33",
+ "cov 44",
+ "cov 55",
+ "trk-to-vtx",
+ "trk-to-vtx failed",
+ "kink daughters",
+ "p",
+ "p_{T}",
+ "p_{x}",
+ "p_{y}",
+ "p_{z}",
+ "y",
+ "eta"
+};
//____________________________________________________________________
-AliESDtrackCuts::AliESDtrackCuts() {
+AliESDtrackCuts::AliESDtrackCuts(const Char_t* name, const Char_t* title) : AliAnalysisCuts(name,title),
+ fCutMinNClusterTPC(0),
+ fCutMinNClusterITS(0),
+ fCutMaxChi2PerClusterTPC(0),
+ fCutMaxChi2PerClusterITS(0),
+ fCutMaxC11(0),
+ fCutMaxC22(0),
+ fCutMaxC33(0),
+ fCutMaxC44(0),
+ fCutMaxC55(0),
+ fCutAcceptKinkDaughters(0),
+ fCutRequireTPCRefit(0),
+ fCutRequireITSRefit(0),
+ fCutNsigmaToVertex(0),
+ fCutSigmaToVertexRequired(0),
+ fPMin(0),
+ fPMax(0),
+ fPtMin(0),
+ fPtMax(0),
+ fPxMin(0),
+ fPxMax(0),
+ fPyMin(0),
+ fPyMax(0),
+ fPzMin(0),
+ fPzMax(0),
+ fEtaMin(0),
+ fEtaMax(0),
+ fRapMin(0),
+ fRapMax(0),
+ fHistogramsOn(0),
+ fhCutStatistics(0),
+ fhCutCorrelation(0)
+{
+ //
+ // constructor
+ //
+
+ Init();
//##############################################################################
// setting default cuts
-
SetMinNClustersTPC();
- SetMinNClustersITS();
+ SetMinNClustersITS();
SetMaxChi2PerClusterTPC();
SetMaxChi2PerClusterITS();
SetMaxCovDiagonalElements();
SetRapRange();
SetHistogramsOn();
+}
- // set the cut names
- fCutNames[0] = "require TPC refit";
- fCutNames[1] = "require ITS refit";
- fCutNames[2] = "n clusters TPC";
- fCutNames[3] = "n clusters ITS";
- fCutNames[4] = "#Chi^{2}/clusters TPC";
- fCutNames[5] = "#Chi^{2}/clusters ITS";
- fCutNames[6] = "cov 11";
- fCutNames[7] = "cov 22";
- fCutNames[8] = "cov 33";
- fCutNames[9] = "cov 44";
- fCutNames[10] = "cov 55";
- fCutNames[11] = "trk-to-vtx";
- fCutNames[12] = "trk-to-vtx failed";
- fCutNames[13] = "kink daughters";
-
- fCutNames[14] = "p";
- fCutNames[15] = "p_{T}";
- fCutNames[16] = "p_{x}";
- fCutNames[17] = "p_{y}";
- fCutNames[18] = "p_{z}";
- fCutNames[19] = "y";
- fCutNames[20] = "eta";
+//_____________________________________________________________________________
+AliESDtrackCuts::AliESDtrackCuts(const AliESDtrackCuts &c) : AliAnalysisCuts(c),
+ fCutMinNClusterTPC(0),
+ fCutMinNClusterITS(0),
+ fCutMaxChi2PerClusterTPC(0),
+ fCutMaxChi2PerClusterITS(0),
+ fCutMaxC11(0),
+ fCutMaxC22(0),
+ fCutMaxC33(0),
+ fCutMaxC44(0),
+ fCutMaxC55(0),
+ fCutAcceptKinkDaughters(0),
+ fCutRequireTPCRefit(0),
+ fCutRequireITSRefit(0),
+ fCutNsigmaToVertex(0),
+ fCutSigmaToVertexRequired(0),
+ fPMin(0),
+ fPMax(0),
+ fPtMin(0),
+ fPtMax(0),
+ fPxMin(0),
+ fPxMax(0),
+ fPyMin(0),
+ fPyMax(0),
+ fPzMin(0),
+ fPzMax(0),
+ fEtaMin(0),
+ fEtaMax(0),
+ fRapMin(0),
+ fRapMax(0),
+ fHistogramsOn(0),
+ ffDTheoretical(0),
+ fhCutStatistics(0),
+ fhCutCorrelation(0)
+{
+ //
+ // copy constructor
+ //
+ ((AliESDtrackCuts &) c).Copy(*this);
}
-//____________________________________________________________________
-Bool_t
-AliESDtrackCuts::AcceptTrack(AliESDtrack* esdTrack, AliESDVertex* esdVtx, Double_t field) {
+AliESDtrackCuts::~AliESDtrackCuts()
+{
//
- // re-calculate the track-to-vertex
- esdTrack->RelateToVertex(esdVtx, field, 1e99);
+ // destructor
+ //
+
+ for (Int_t i=0; i<2; i++) {
+
+ if (fhNClustersITS[i])
+ delete fhNClustersITS[i];
+ if (fhNClustersTPC[i])
+ delete fhNClustersTPC[i];
+ if (fhChi2PerClusterITS[i])
+ delete fhChi2PerClusterITS[i];
+ if (fhChi2PerClusterTPC[i])
+ delete fhChi2PerClusterTPC[i];
+ if (fhC11[i])
+ delete fhC11[i];
+ if (fhC22[i])
+ delete fhC22[i];
+ if (fhC33[i])
+ delete fhC33[i];
+ if (fhC44[i])
+ delete fhC44[i];
+ if (fhC55[i])
+ delete fhC55[i];
+
+ if (fhDXY[i])
+ delete fhDXY[i];
+ if (fhDZ[i])
+ delete fhDZ[i];
+ if (fhDXYvsDZ[i])
+ delete fhDXYvsDZ[i];
+
+ if (fhDXYNormalized[i])
+ delete fhDXYNormalized[i];
+ if (fhDZNormalized[i])
+ delete fhDZNormalized[i];
+ if (fhDXYvsDZNormalized[i])
+ delete fhDXYvsDZNormalized[i];
+ if (fhNSigmaToVertex[i])
+ delete fhNSigmaToVertex[i];
+ }
+
+ if (ffDTheoretical)
+ delete ffDTheoretical;
+
+ if (fhCutStatistics)
+ delete fhCutStatistics;
+ if (fhCutCorrelation)
+ delete fhCutCorrelation;
+}
+
+void AliESDtrackCuts::Init()
+{
+ //
+ // sets everything to zero
+ //
+
+ fCutMinNClusterTPC = 0;
+ fCutMinNClusterITS = 0;
+
+ fCutMaxChi2PerClusterTPC = 0;
+ fCutMaxChi2PerClusterITS = 0;
+
+ fCutMaxC11 = 0;
+ fCutMaxC22 = 0;
+ fCutMaxC33 = 0;
+ fCutMaxC44 = 0;
+ fCutMaxC55 = 0;
+
+ fCutAcceptKinkDaughters = 0;
+ fCutRequireTPCRefit = 0;
+ fCutRequireITSRefit = 0;
+
+ fCutNsigmaToVertex = 0;
+ fCutSigmaToVertexRequired = 0;
+
+ fPMin = 0;
+ fPMax = 0;
+ fPtMin = 0;
+ fPtMax = 0;
+ fPxMin = 0;
+ fPxMax = 0;
+ fPyMin = 0;
+ fPyMax = 0;
+ fPzMin = 0;
+ fPzMax = 0;
+ fEtaMin = 0;
+ fEtaMax = 0;
+ fRapMin = 0;
+ fRapMax = 0;
+
+ fHistogramsOn = kFALSE;
+
+ for (Int_t i=0; i<2; ++i)
+ {
+ fhNClustersITS[i] = 0;
+ fhNClustersTPC[i] = 0;
+
+ fhChi2PerClusterITS[i] = 0;
+ fhChi2PerClusterTPC[i] = 0;
+
+ fhC11[i] = 0;
+ fhC22[i] = 0;
+ fhC33[i] = 0;
+ fhC44[i] = 0;
+ fhC55[i] = 0;
+
+ fhDXY[i] = 0;
+ fhDZ[i] = 0;
+ fhDXYvsDZ[i] = 0;
+
+ fhDXYNormalized[i] = 0;
+ fhDZNormalized[i] = 0;
+ fhDXYvsDZNormalized[i] = 0;
+ fhNSigmaToVertex[i] = 0;
+ }
+ ffDTheoretical = 0;
+
+ fhCutStatistics = 0;
+ fhCutCorrelation = 0;
+}
+
+//_____________________________________________________________________________
+AliESDtrackCuts &AliESDtrackCuts::operator=(const AliESDtrackCuts &c)
+{
+ //
+ // Assignment operator
+ //
+
+ if (this != &c) ((AliESDtrackCuts &) c).Copy(*this);
+ return *this;
+}
+
+//_____________________________________________________________________________
+void AliESDtrackCuts::Copy(TObject &c) const
+{
+ //
+ // Copy function
+ //
+
+ AliESDtrackCuts& target = (AliESDtrackCuts &) c;
+
+ target.Init();
+
+ target.fCutMinNClusterTPC = fCutMinNClusterTPC;
+ target.fCutMinNClusterITS = fCutMinNClusterITS;
+
+ target.fCutMaxChi2PerClusterTPC = fCutMaxChi2PerClusterTPC;
+ target.fCutMaxChi2PerClusterITS = fCutMaxChi2PerClusterITS;
+
+ target.fCutMaxC11 = fCutMaxC11;
+ target.fCutMaxC22 = fCutMaxC22;
+ target.fCutMaxC33 = fCutMaxC33;
+ target.fCutMaxC44 = fCutMaxC44;
+ target.fCutMaxC55 = fCutMaxC55;
+
+ target.fCutAcceptKinkDaughters = fCutAcceptKinkDaughters;
+ target.fCutRequireTPCRefit = fCutRequireTPCRefit;
+ target.fCutRequireITSRefit = fCutRequireITSRefit;
+
+ target.fCutNsigmaToVertex = fCutNsigmaToVertex;
+ target.fCutSigmaToVertexRequired = fCutSigmaToVertexRequired;
+
+ target.fPMin = fPMin;
+ target.fPMax = fPMax;
+ target.fPtMin = fPtMin;
+ target.fPtMax = fPtMax;
+ target.fPxMin = fPxMin;
+ target.fPxMax = fPxMax;
+ target.fPyMin = fPyMin;
+ target.fPyMax = fPyMax;
+ target.fPzMin = fPzMin;
+ target.fPzMax = fPzMax;
+ target.fEtaMin = fEtaMin;
+ target.fEtaMax = fEtaMax;
+ target.fRapMin = fRapMin;
+ target.fRapMax = fRapMax;
+
+ target.fHistogramsOn = fHistogramsOn;
+
+ for (Int_t i=0; i<2; ++i)
+ {
+ if (fhNClustersITS[i]) target.fhNClustersITS[i] = (TH1F*) fhNClustersITS[i]->Clone();
+ if (fhNClustersTPC[i]) target.fhNClustersTPC[i] = (TH1F*) fhNClustersTPC[i]->Clone();
+
+ if (fhChi2PerClusterITS[i]) target.fhChi2PerClusterITS[i] = (TH1F*) fhChi2PerClusterITS[i]->Clone();
+ if (fhChi2PerClusterTPC[i]) target.fhChi2PerClusterTPC[i] = (TH1F*) fhChi2PerClusterTPC[i]->Clone();
+
+ if (fhC11[i]) target.fhC11[i] = (TH1F*) fhC11[i]->Clone();
+ if (fhC22[i]) target.fhC22[i] = (TH1F*) fhC22[i]->Clone();
+ if (fhC33[i]) target.fhC33[i] = (TH1F*) fhC33[i]->Clone();
+ if (fhC44[i]) target.fhC44[i] = (TH1F*) fhC44[i]->Clone();
+ if (fhC55[i]) target.fhC55[i] = (TH1F*) fhC55[i]->Clone();
+
+ if (fhDXY[i]) target.fhDXY[i] = (TH1F*) fhDXY[i]->Clone();
+ if (fhDZ[i]) target.fhDZ[i] = (TH1F*) fhDZ[i]->Clone();
+ if (fhDXYvsDZ[i]) target.fhDXYvsDZ[i] = (TH2F*) fhDXYvsDZ[i]->Clone();
+
+ if (fhDXYNormalized[i]) target.fhDXYNormalized[i] = (TH1F*) fhDXYNormalized[i]->Clone();
+ if (fhDZNormalized[i]) target.fhDZNormalized[i] = (TH1F*) fhDZNormalized[i]->Clone();
+ if (fhDXYvsDZNormalized[i]) target.fhDXYvsDZNormalized[i] = (TH2F*) fhDXYvsDZNormalized[i]->Clone();
+ if (fhNSigmaToVertex[i]) target.fhNSigmaToVertex[i] = (TH1F*) fhNSigmaToVertex[i]->Clone();
+ }
+ if (ffDTheoretical) target.ffDTheoretical = (TF1*) ffDTheoretical->Clone();
+
+ if (fhCutStatistics) target.fhCutStatistics = (TH1F*) fhCutStatistics->Clone();
+ if (fhCutCorrelation) target.fhCutCorrelation = (TH2F*) fhCutCorrelation->Clone();
+
+ TNamed::Copy(c);
+}
+
+//_____________________________________________________________________________
+Long64_t AliESDtrackCuts::Merge(TCollection* list) {
+ // Merge a list of AliESDtrackCuts objects with this (needed for PROOF)
+ // Returns the number of merged objects (including this)
+
+ if (!list)
+ return 0;
- return AcceptTrack(esdTrack);
+ if (list->IsEmpty())
+ return 1;
+
+ if (!fHistogramsOn)
+ return 0;
+
+ TIterator* iter = list->MakeIterator();
+ TObject* obj;
+
+
+ // collection of measured and generated histograms
+ Int_t count = 0;
+ while ((obj = iter->Next())) {
+
+ AliESDtrackCuts* entry = dynamic_cast<AliESDtrackCuts*>(obj);
+ if (entry == 0)
+ continue;
+
+ if (!entry->fHistogramsOn)
+ continue;
+
+ for (Int_t i=0; i<2; i++) {
+
+ fhNClustersITS[i] ->Add(entry->fhNClustersITS[i] );
+ fhNClustersTPC[i] ->Add(entry->fhNClustersTPC[i] );
+
+ fhChi2PerClusterITS[i] ->Add(entry->fhChi2PerClusterITS[i]);
+ fhChi2PerClusterTPC[i] ->Add(entry->fhChi2PerClusterTPC[i]);
+
+ fhC11[i] ->Add(entry->fhC11[i] );
+ fhC22[i] ->Add(entry->fhC22[i] );
+ fhC33[i] ->Add(entry->fhC33[i] );
+ fhC44[i] ->Add(entry->fhC44[i] );
+ fhC55[i] ->Add(entry->fhC55[i] );
+
+ fhDXY[i] ->Add(entry->fhDXY[i] );
+ fhDZ[i] ->Add(entry->fhDZ[i] );
+ fhDXYvsDZ[i] ->Add(entry->fhDXYvsDZ[i] );
+
+ fhDXYNormalized[i] ->Add(entry->fhDXYNormalized[i] );
+ fhDZNormalized[i] ->Add(entry->fhDZNormalized[i] );
+ fhDXYvsDZNormalized[i] ->Add(entry->fhDXYvsDZNormalized[i]);
+ fhNSigmaToVertex[i] ->Add(entry->fhNSigmaToVertex[i]);
+
+ }
+
+ fhCutStatistics ->Add(entry->fhCutStatistics);
+ fhCutCorrelation ->Add(entry->fhCutCorrelation);
+
+ count++;
+ }
+
+ return count+1;
}
+
//____________________________________________________________________
-Bool_t
-AliESDtrackCuts::AcceptTrack(AliESDtrack* esdTrack, Double_t* vtx, Double_t* vtx_res, Double_t field) {
-
- AliESDVertex* esdVtx = new AliESDVertex(vtx, vtx_res,"new vertex");
- esdTrack->RelateToVertex(esdVtx, field, 1e99);
- return AcceptTrack(esdTrack);
-}
+Float_t AliESDtrackCuts::GetSigmaToVertex(AliESDtrack* esdTrack)
+{
+ // Calculates the number of sigma to the vertex.
+
+ Float_t b[2];
+ Float_t bRes[2];
+ Float_t bCov[3];
+ esdTrack->GetImpactParameters(b,bCov);
+ if (bCov[0]<=0 || bCov[2]<=0) {
+ AliDebug(1, "Estimated b resolution lower or equal zero!");
+ bCov[0]=0; bCov[2]=0;
+ }
+ bRes[0] = TMath::Sqrt(bCov[0]);
+ bRes[1] = TMath::Sqrt(bCov[2]);
+
+ // -----------------------------------
+ // How to get to a n-sigma cut?
+ //
+ // The accumulated statistics from 0 to d is
+ //
+ // -> Erf(d/Sqrt(2)) for a 1-dim gauss (d = n_sigma)
+ // -> 1 - Exp(-d**2) for a 2-dim gauss (d*d = dx*dx + dy*dy != n_sigma)
+ //
+ // It means that for a 2-dim gauss: n_sigma(d) = Sqrt(2)*ErfInv(1 - Exp((-x**2)/2)
+ // Can this be expressed in a different way?
+
+ if (bRes[0] == 0 || bRes[1] ==0)
+ return -1;
+
+ Float_t d = TMath::Sqrt(TMath::Power(b[0]/bRes[0],2) + TMath::Power(b[1]/bRes[1],2));
+
+ // stupid rounding problem screws up everything:
+ // if d is too big, TMath::Exp(...) gets 0, and TMath::ErfInverse(1) that should be infinite, gets 0 :(
+ if (TMath::Exp(-d * d / 2) < 1e-10)
+ return 1000;
+
+ d = TMath::ErfInverse(1 - TMath::Exp(-d * d / 2)) * TMath::Sqrt(2);
+ return d;
+}
+
+void AliESDtrackCuts::EnableNeededBranches(TTree* tree)
+{
+ // enables the branches needed by AcceptTrack, for a list see comment of AcceptTrack
+
+ tree->SetBranchStatus("fTracks.fFlags", 1);
+ tree->SetBranchStatus("fTracks.fITSncls", 1);
+ tree->SetBranchStatus("fTracks.fTPCncls", 1);
+ tree->SetBranchStatus("fTracks.fITSchi2", 1);
+ tree->SetBranchStatus("fTracks.fTPCchi2", 1);
+ tree->SetBranchStatus("fTracks.fC*", 1);
+ tree->SetBranchStatus("fTracks.fD", 1);
+ tree->SetBranchStatus("fTracks.fZ", 1);
+ tree->SetBranchStatus("fTracks.fCdd", 1);
+ tree->SetBranchStatus("fTracks.fCdz", 1);
+ tree->SetBranchStatus("fTracks.fCzz", 1);
+ tree->SetBranchStatus("fTracks.fP*", 1);
+ tree->SetBranchStatus("fTracks.fR*", 1);
+ tree->SetBranchStatus("fTracks.fKinkIndexes*", 1);
+}
//____________________________________________________________________
-Bool_t
+Bool_t
AliESDtrackCuts::AcceptTrack(AliESDtrack* esdTrack) {
//
// figure out if the tracks survives all the track cuts defined
//
+ // the different quality parameter and kinematic values are first
+ // retrieved from the track. then it is found out what cuts the
+ // track did not survive and finally the cuts are imposed.
+
+ // this function needs the following branches:
+ // fTracks.fFlags
+ // fTracks.fITSncls
+ // fTracks.fTPCncls
+ // fTracks.fITSchi2
+ // fTracks.fTPCchi2
+ // fTracks.fC //GetExternalCovariance
+ // fTracks.fD //GetImpactParameters
+ // fTracks.fZ //GetImpactParameters
+ // fTracks.fCdd //GetImpactParameters
+ // fTracks.fCdz //GetImpactParameters
+ // fTracks.fCzz //GetImpactParameters
+ // fTracks.fP //GetPxPyPz
+ // fTracks.fR //GetMass
+ // fTracks.fP //GetMass
+ // fTracks.fKinkIndexes
UInt_t status = esdTrack->GetStatus();
-
+
+ // dummy array
+ Int_t fIdxInt[200];
+
// getting quality parameters from the ESD track
Int_t nClustersITS = esdTrack->GetITSclusters(fIdxInt);
Int_t nClustersTPC = esdTrack->GetTPCclusters(fIdxInt);
+
+
Float_t chi2PerClusterITS = -1;
Float_t chi2PerClusterTPC = -1;
if (nClustersITS!=0)
chi2PerClusterITS = esdTrack->GetITSchi2()/Float_t(nClustersITS);
if (nClustersTPC!=0)
- chi2PerClusterTPC = esdTrack->GetTPCchi2()/Float_t(nClustersTPC);
+ chi2PerClusterTPC = esdTrack->GetTPCchi2()/Float_t(nClustersTPC);
Double_t extCov[15];
- esdTrack->GetExternalCovariance(extCov);
+ esdTrack->GetExternalCovariance(extCov);
// getting the track to vertex parameters
- Float_t b[2];
- Float_t bRes[2];
- Float_t bCov[3];
- esdTrack->GetImpactParameters(b,bCov);
- if (bCov[0]<=0 || bCov[2]<=0) {
- AliDebug(1, "Estimated b resolution zero!");
- bCov[0]=0; bCov[1]=0;
- }
- bRes[0] = TMath::Sqrt(bCov[0]);
- bRes[1] = TMath::Sqrt(bCov[2]);
+ Float_t nSigmaToVertex = GetSigmaToVertex(esdTrack);
- // FIX !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
- //
- // this is not correct - it will not give n sigma!!!
- //
- Float_t nSigmaToVertex = -1;
- if (bRes[0]!=0 && bRes[1]!=0)
- nSigmaToVertex = TMath::Sqrt(TMath::Power(b[0]/bRes[0],2) + TMath::Power(b[1]/bRes[1],2));
-
- // getting the kinematic variables of the track
+ // getting the kinematic variables of the track
// (assuming the mass is known)
Double_t p[3];
esdTrack->GetPxPyPz(p);
Float_t pt = TMath::Sqrt(TMath::Power(p[0],2) + TMath::Power(p[1],2));
Float_t energy = TMath::Sqrt(TMath::Power(esdTrack->GetMass(),2) + TMath::Power(momentum,2));
+
//y-eta related calculations
Float_t eta = -100.;
Float_t y = -100.;
//########################################################################
// cut the track?
- Bool_t cuts[fNCuts];
- for (Int_t i=0; i<fNCuts; i++) cuts[i]=kFALSE;
+ Bool_t cuts[kNCuts];
+ for (Int_t i=0; i<kNCuts; i++) cuts[i]=kFALSE;
// track quality cuts
- if (fCut_RequireTPCRefit && (status&AliESDtrack::kTPCrefit)==0)
+ if (fCutRequireTPCRefit && (status&AliESDtrack::kTPCrefit)==0)
cuts[0]=kTRUE;
- if (fCut_RequireITSRefit && (status&AliESDtrack::kITSrefit)==0)
+ if (fCutRequireITSRefit && (status&AliESDtrack::kITSrefit)==0)
cuts[1]=kTRUE;
- if (nClustersTPC<fCut_MinNClusterTPC)
+ if (nClustersTPC<fCutMinNClusterTPC)
cuts[2]=kTRUE;
- if (nClustersITS<fCut_MinNClusterITS)
+ if (nClustersITS<fCutMinNClusterITS)
cuts[3]=kTRUE;
- if (chi2PerClusterTPC>fCut_MaxChi2PerClusterTPC)
+ if (chi2PerClusterTPC>fCutMaxChi2PerClusterTPC)
cuts[4]=kTRUE;
- if (chi2PerClusterITS>fCut_MaxChi2PerClusterITS)
+ if (chi2PerClusterITS>fCutMaxChi2PerClusterITS)
cuts[5]=kTRUE;
- if (extCov[0] > fCut_MaxC11)
+ if (extCov[0] > fCutMaxC11)
cuts[6]=kTRUE;
- if (extCov[2] > fCut_MaxC22)
+ if (extCov[2] > fCutMaxC22)
cuts[7]=kTRUE;
- if (extCov[5] > fCut_MaxC33)
+ if (extCov[5] > fCutMaxC33)
cuts[8]=kTRUE;
- if (extCov[9] > fCut_MaxC44)
+ if (extCov[9] > fCutMaxC44)
cuts[9]=kTRUE;
- if (extCov[14] > fCut_MaxC55)
+ if (extCov[14] > fCutMaxC55)
cuts[10]=kTRUE;
- if (nSigmaToVertex > fCut_NsigmaToVertex)
+ if (nSigmaToVertex > fCutNsigmaToVertex && fCutSigmaToVertexRequired)
cuts[11] = kTRUE;
// if n sigma could not be calculated
- if (nSigmaToVertex<0 && fCut_SigmaToVertexRequired)
+ if (nSigmaToVertex<0 && fCutSigmaToVertexRequired)
cuts[12]=kTRUE;
- if (!fCut_AcceptKinkDaughters && esdTrack->GetKinkIndex(0)>0)
+ if (!fCutAcceptKinkDaughters && esdTrack->GetKinkIndex(0)>0)
cuts[13]=kTRUE;
// track kinematics cut
if((momentum < fPMin) || (momentum > fPMax))
cuts[16] = kTRUE;
if((p[1] < fPyMin) || (p[1] > fPyMax))
cuts[17] = kTRUE;
- if((p[2] < fPzMin) || (p[2] > fPzMax))
+ if((p[2] < fPzMin) || (p[2] > fPzMax))
cuts[18] = kTRUE;
if((eta < fEtaMin) || (eta > fEtaMax))
cuts[19] = kTRUE;
cuts[20] = kTRUE;
Bool_t cut=kFALSE;
- for (Int_t i=0; i<fNCuts; i++)
+ for (Int_t i=0; i<kNCuts; i++)
if (cuts[i]) cut = kTRUE;
//########################################################################
// filling histograms
if (fHistogramsOn) {
- hCutStatistics->Fill(hCutStatistics->GetBinCenter(hCutStatistics->GetXaxis()->FindBin("n tracks")));
+ fhCutStatistics->Fill(fhCutStatistics->GetBinCenter(fhCutStatistics->GetXaxis()->FindBin("n tracks")));
if (cut)
- hCutStatistics->Fill(hCutStatistics->GetBinCenter(hCutStatistics->GetXaxis()->FindBin("n cut tracks")));
+ fhCutStatistics->Fill(fhCutStatistics->GetBinCenter(fhCutStatistics->GetXaxis()->FindBin("n cut tracks")));
- for (Int_t i=0; i<fNCuts; i++) {
+ for (Int_t i=0; i<kNCuts; i++) {
if (cuts[i])
- hCutStatistics->Fill(hCutStatistics->GetBinCenter(hCutStatistics->GetXaxis()->FindBin(fCutNames[i])));
+ fhCutStatistics->Fill(fhCutStatistics->GetBinCenter(fhCutStatistics->GetXaxis()->FindBin(fgkCutNames[i])));
- for (Int_t j=i; j<fNCuts; j++) {
+ for (Int_t j=i; j<kNCuts; j++) {
if (cuts[i] && cuts[j]) {
- Float_t x = hCutCorrelation->GetXaxis()->GetBinCenter(hCutCorrelation->GetXaxis()->FindBin(fCutNames[i]));
- Float_t y = hCutCorrelation->GetYaxis()->GetBinCenter(hCutCorrelation->GetYaxis()->FindBin(fCutNames[j]));
- hCutCorrelation->Fill(x,y);
+ Float_t x = fhCutCorrelation->GetXaxis()->GetBinCenter(fhCutCorrelation->GetXaxis()->FindBin(fgkCutNames[i]));
+ Float_t y = fhCutCorrelation->GetYaxis()->GetBinCenter(fhCutCorrelation->GetYaxis()->FindBin(fgkCutNames[j]));
+ fhCutCorrelation->Fill(x,y);
}
}
}
- hNClustersITS[0]->Fill(nClustersITS);
- hNClustersTPC[0]->Fill(nClustersTPC);
- hChi2PerClusterITS[0]->Fill(chi2PerClusterITS);
- hChi2PerClusterTPC[0]->Fill(chi2PerClusterTPC);
-
- hC11[0]->Fill(extCov[0]);
- hC22[0]->Fill(extCov[2]);
- hC33[0]->Fill(extCov[5]);
- hC44[0]->Fill(extCov[9]);
- hC55[0]->Fill(extCov[14]);
-
- hDZ[0]->Fill(b[1]);
- hDXY[0]->Fill(b[0]);
- hDXYvsDZ[0]->Fill(b[1],b[0]);
+ fhNClustersITS[0]->Fill(nClustersITS);
+ fhNClustersTPC[0]->Fill(nClustersTPC);
+ fhChi2PerClusterITS[0]->Fill(chi2PerClusterITS);
+ fhChi2PerClusterTPC[0]->Fill(chi2PerClusterTPC);
+
+ fhC11[0]->Fill(extCov[0]);
+ fhC22[0]->Fill(extCov[2]);
+ fhC33[0]->Fill(extCov[5]);
+ fhC44[0]->Fill(extCov[9]);
+ fhC55[0]->Fill(extCov[14]);
+
+ Float_t b[2];
+ Float_t bRes[2];
+ Float_t bCov[3];
+ esdTrack->GetImpactParameters(b,bCov);
+ if (bCov[0]<=0 || bCov[2]<=0) {
+ AliDebug(1, "Estimated b resolution lower or equal zero!");
+ bCov[0]=0; bCov[2]=0;
+ }
+ bRes[0] = TMath::Sqrt(bCov[0]);
+ bRes[1] = TMath::Sqrt(bCov[2]);
+
+ fhDZ[0]->Fill(b[1]);
+ fhDXY[0]->Fill(b[0]);
+ fhDXYvsDZ[0]->Fill(b[1],b[0]);
if (bRes[0]!=0 && bRes[1]!=0) {
- hDZNormalized[0]->Fill(b[1]/bRes[1]);
- hDXYNormalized[0]->Fill(b[0]/bRes[0]);
- hDXYvsDZNormalized[0]->Fill(b[1]/bRes[1], b[0]/bRes[0]);
+ fhDZNormalized[0]->Fill(b[1]/bRes[1]);
+ fhDXYNormalized[0]->Fill(b[0]/bRes[0]);
+ fhDXYvsDZNormalized[0]->Fill(b[1]/bRes[1], b[0]/bRes[0]);
+ fhNSigmaToVertex[0]->Fill(nSigmaToVertex);
}
}
- //########################################################################
+ //########################################################################
// cut the track!
if (cut) return kFALSE;
- //########################################################################
+ //########################################################################
// filling histograms after cut
if (fHistogramsOn) {
- hNClustersITS[1]->Fill(nClustersITS);
- hNClustersTPC[1]->Fill(nClustersTPC);
- hChi2PerClusterITS[1]->Fill(chi2PerClusterITS);
- hChi2PerClusterTPC[1]->Fill(chi2PerClusterTPC);
-
- hC11[1]->Fill(extCov[0]);
- hC22[1]->Fill(extCov[2]);
- hC33[1]->Fill(extCov[5]);
- hC44[1]->Fill(extCov[9]);
- hC55[1]->Fill(extCov[14]);
-
- hDZ[1]->Fill(b[1]);
- hDXY[1]->Fill(b[0]);
- hDXYvsDZ[1]->Fill(b[1],b[0]);
+ fhNClustersITS[1]->Fill(nClustersITS);
+ fhNClustersTPC[1]->Fill(nClustersTPC);
+ fhChi2PerClusterITS[1]->Fill(chi2PerClusterITS);
+ fhChi2PerClusterTPC[1]->Fill(chi2PerClusterTPC);
+
+ fhC11[1]->Fill(extCov[0]);
+ fhC22[1]->Fill(extCov[2]);
+ fhC33[1]->Fill(extCov[5]);
+ fhC44[1]->Fill(extCov[9]);
+ fhC55[1]->Fill(extCov[14]);
+
+ Float_t b[2];
+ Float_t bRes[2];
+ Float_t bCov[3];
+ esdTrack->GetImpactParameters(b,bCov);
+ if (bCov[0]<=0 || bCov[2]<=0) {
+ AliDebug(1, "Estimated b resolution lower or equal zero!");
+ bCov[0]=0; bCov[2]=0;
+ }
+ bRes[0] = TMath::Sqrt(bCov[0]);
+ bRes[1] = TMath::Sqrt(bCov[2]);
- hDZNormalized[1]->Fill(b[1]/bRes[1]);
- hDXYNormalized[1]->Fill(b[0]/bRes[0]);
- hDXYvsDZNormalized[1]->Fill(b[1]/bRes[1], b[0]/bRes[0]);
+ fhDZ[1]->Fill(b[1]);
+ fhDXY[1]->Fill(b[0]);
+ fhDXYvsDZ[1]->Fill(b[1],b[0]);
+
+ if (bRes[0]!=0 && bRes[1]!=0)
+ {
+ fhDZNormalized[1]->Fill(b[1]/bRes[1]);
+ fhDXYNormalized[1]->Fill(b[0]/bRes[0]);
+ fhDXYvsDZNormalized[1]->Fill(b[1]/bRes[1], b[0]/bRes[0]);
+ fhNSigmaToVertex[1]->Fill(nSigmaToVertex);
+ }
}
-
+
return kTRUE;
}
//____________________________________________________________________
-TObjArray*
-AliESDtrackCuts::GetAcceptedTracks(AliESD* esd) {
-
+TObjArray* AliESDtrackCuts::GetAcceptedTracks(AliESD* esd)
+{
+ //
// returns an array of all tracks that pass the cuts
- fAcceptedTracks->Clear();
-
+ //
+
+ TObjArray* acceptedTracks = new TObjArray();
+
// loop over esd tracks
for (Int_t iTrack = 0; iTrack < esd->GetNumberOfTracks(); iTrack++) {
AliESDtrack* track = esd->GetTrack(iTrack);
-
- if(AcceptTrack(track)) fAcceptedTracks->Add(track);
+
+ if (AcceptTrack(track))
+ acceptedTracks->Add(track);
}
- return fAcceptedTracks;
+ return acceptedTracks;
}
//____________________________________________________________________
-void
-AliESDtrackCuts::DefineHistograms(Int_t color) {
+Int_t AliESDtrackCuts::CountAcceptedTracks(AliESD* esd)
+{
+ //
+ // returns an the number of tracks that pass the cuts
+ //
- fHistogramsOn=kTRUE;
+ Int_t count = 0;
- //###################################################################################
- // defining histograms
+ // loop over esd tracks
+ for (Int_t iTrack = 0; iTrack < esd->GetNumberOfTracks(); iTrack++) {
+ AliESDtrack* track = esd->GetTrack(iTrack);
- hCutStatistics = new TH1F("cut_statistics","cut statistics",fNCuts+4,-0.5,fNCuts+3.5);
+ if (AcceptTrack(track))
+ count++;
+ }
- hCutStatistics->GetXaxis()->SetBinLabel(1,"n tracks");
- hCutStatistics->GetXaxis()->SetBinLabel(2,"n cut tracks");
+ return count;
+}
- hCutCorrelation = new TH2F("cut_correlation","cut correlation",fNCuts,-0.5,fNCuts-0.5,fNCuts,-0.5,fNCuts-0.5);;
-
- for (Int_t i=0; i<fNCuts; i++) {
- hCutStatistics->GetXaxis()->SetBinLabel(i+4,fCutNames[i]);
- hCutCorrelation->GetXaxis()->SetBinLabel(i+1,fCutNames[i]);
- hCutCorrelation->GetYaxis()->SetBinLabel(i+1,fCutNames[i]);
- }
-
- hCutStatistics ->SetLineColor(color);
- hCutCorrelation ->SetLineColor(color);
- hCutStatistics ->SetLineWidth(2);
- hCutCorrelation ->SetLineWidth(2);
-
-
- hNClustersITS = new TH1F*[2];
- hNClustersTPC = new TH1F*[2];
- hChi2PerClusterITS = new TH1F*[2];
- hChi2PerClusterTPC = new TH1F*[2];
-
- hC11 = new TH1F*[2];
- hC22 = new TH1F*[2];
- hC33 = new TH1F*[2];
- hC44 = new TH1F*[2];
- hC55 = new TH1F*[2];
-
- hDXY = new TH1F*[2];
- hDZ = new TH1F*[2];
- hDXYvsDZ = new TH2F*[2];
+//____________________________________________________________________
+TObjArray* AliESDtrackCuts::GetAcceptedTracks(AliESDEvent* esd)
+{
+ //
+ // returns an array of all tracks that pass the cuts
+ //
+
+ TObjArray* acceptedTracks = new TObjArray();
+
+ // loop over esd tracks
+ for (Int_t iTrack = 0; iTrack < esd->GetNumberOfTracks(); iTrack++) {
+ AliESDtrack* track = esd->GetTrack(iTrack);
+
+ if (AcceptTrack(track))
+ acceptedTracks->Add(track);
+ }
+
+ return acceptedTracks;
+}
+
+//____________________________________________________________________
+Int_t AliESDtrackCuts::CountAcceptedTracks(AliESDEvent* esd)
+{
+ //
+ // returns an the number of tracks that pass the cuts
+ //
- hDXYNormalized = new TH1F*[2];
- hDZNormalized = new TH1F*[2];
- hDXYvsDZNormalized = new TH2F*[2];
+ Int_t count = 0;
+ // loop over esd tracks
+ for (Int_t iTrack = 0; iTrack < esd->GetNumberOfTracks(); iTrack++) {
+ AliESDtrack* track = esd->GetTrack(iTrack);
+
+ if (AcceptTrack(track))
+ count++;
+ }
+
+ return count;
+}
+
+//____________________________________________________________________
+ void AliESDtrackCuts::DefineHistograms(Int_t color) {
+ //
+ // diagnostics histograms are defined
+ //
+
+ fHistogramsOn=kTRUE;
+
+ Bool_t oldStatus = TH1::AddDirectoryStatus();
+ TH1::AddDirectory(kFALSE);
+
+ //###################################################################################
+ // defining histograms
+
+ fhCutStatistics = new TH1F("cut_statistics","cut statistics",kNCuts+4,-0.5,kNCuts+3.5);
+
+ fhCutStatistics->GetXaxis()->SetBinLabel(1,"n tracks");
+ fhCutStatistics->GetXaxis()->SetBinLabel(2,"n cut tracks");
+
+ fhCutCorrelation = new TH2F("cut_correlation","cut correlation",kNCuts,-0.5,kNCuts-0.5,kNCuts,-0.5,kNCuts-0.5);;
+
+ for (Int_t i=0; i<kNCuts; i++) {
+ fhCutStatistics->GetXaxis()->SetBinLabel(i+4,fgkCutNames[i]);
+ fhCutCorrelation->GetXaxis()->SetBinLabel(i+1,fgkCutNames[i]);
+ fhCutCorrelation->GetYaxis()->SetBinLabel(i+1,fgkCutNames[i]);
+ }
+
+ fhCutStatistics ->SetLineColor(color);
+ fhCutCorrelation ->SetLineColor(color);
+ fhCutStatistics ->SetLineWidth(2);
+ fhCutCorrelation ->SetLineWidth(2);
Char_t str[256];
for (Int_t i=0; i<2; i++) {
if (i==0) sprintf(str," ");
else sprintf(str,"_cut");
- hNClustersITS[i] = new TH1F(Form("nClustersITS%s",str),"",8,-0.5,7.5);
- hNClustersTPC[i] = new TH1F(Form("nClustersTPC%s",str),"",165,-0.5,164.5);
- hChi2PerClusterITS[i] = new TH1F(Form("chi2PerClusterITS%s",str),"",500,0,10);
- hChi2PerClusterTPC[i] = new TH1F(Form("chi2PerClusterTPC%s",str),"",500,0,10);
-
- hC11[i] = new TH1F(Form("covMatrixDiagonal11%s",str),"",1000,0,5);
- hC22[i] = new TH1F(Form("covMatrixDiagonal22%s",str),"",1000,0,5);
- hC33[i] = new TH1F(Form("covMatrixDiagonal33%s",str),"",1000,0,0.5);
- hC44[i] = new TH1F(Form("covMatrixDiagonal44%s",str),"",1000,0,5);
- hC55[i] = new TH1F(Form("covMatrixDiagonal55%s",str),"",1000,0,5);
-
- hDXY[i] = new TH1F(Form("dXY%s",str),"",500,-10,10);
- hDZ[i] = new TH1F(Form("dZ%s",str),"",500,-10,10);
- hDXYvsDZ[i] = new TH2F(Form("dXYvsDZ%s",str),"",200,-10,10,200,-10,10);
+ fhNClustersITS[i] = new TH1F(Form("nClustersITS%s",str) ,"",8,-0.5,7.5);
+ fhNClustersTPC[i] = new TH1F(Form("nClustersTPC%s",str) ,"",165,-0.5,164.5);
+ fhChi2PerClusterITS[i] = new TH1F(Form("chi2PerClusterITS%s",str),"",500,0,10);
+ fhChi2PerClusterTPC[i] = new TH1F(Form("chi2PerClusterTPC%s",str),"",500,0,10);
- hDXYNormalized[i] = new TH1F(Form("dXYNormalized%s",str),"",500,-10,10);
- hDZNormalized[i] = new TH1F(Form("dZNormalized%s",str),"",500,-10,10);
- hDXYvsDZNormalized[i] = new TH2F(Form("dXYvsDZNormalized%s",str),"",200,-10,10,200,-10,10);
+ fhC11[i] = new TH1F(Form("covMatrixDiagonal11%s",str),"",2000,0,20);
+ fhC22[i] = new TH1F(Form("covMatrixDiagonal22%s",str),"",2000,0,20);
+ fhC33[i] = new TH1F(Form("covMatrixDiagonal33%s",str),"",1000,0,1);
+ fhC44[i] = new TH1F(Form("covMatrixDiagonal44%s",str),"",1000,0,5);
+ fhC55[i] = new TH1F(Form("covMatrixDiagonal55%s",str),"",1000,0,5);
+ fhDXY[i] = new TH1F(Form("dXY%s",str) ,"",500,-10,10);
+ fhDZ[i] = new TH1F(Form("dZ%s",str) ,"",500,-10,10);
+ fhDXYvsDZ[i] = new TH2F(Form("dXYvsDZ%s",str),"",200,-10,10,200,-10,10);
- hNClustersITS[i] ->SetXTitle("n ITS clusters");
- hNClustersTPC[i] ->SetXTitle("n TPC clusters");
- hChi2PerClusterITS[i] ->SetXTitle("#Chi^{2} per ITS cluster");
- hChi2PerClusterTPC[i] ->SetXTitle("#Chi^{2} per TPC cluster");
-
- hC11[i] ->SetXTitle("cov 11 : #sigma_{y}^{2} [cm^{2}]");
- hC22[i] ->SetXTitle("cov 22 : #sigma_{z}^{2} [cm^{2}]");
- hC33[i] ->SetXTitle("cov 33 : #sigma_{sin(#phi)}^{2}");
- hC44[i] ->SetXTitle("cov 44 : #sigma_{tan(#theta_{dip})}^{2}");
- hC55[i] ->SetXTitle("cov 55 : #sigma_{1/p_{T}}^{2} [(c/GeV)^2]");
-
- hDXY[i] ->SetXTitle("transverse impact parameter");
- hDZ[i] ->SetXTitle("longitudinal impact parameter");
- hDXYvsDZ[i] ->SetXTitle("longitudinal impact parameter");
- hDXYvsDZ[i] ->SetYTitle("transverse impact parameter");
-
- hDXYNormalized[i] ->SetXTitle("normalized trans impact par");
- hDZNormalized[i] ->SetXTitle("normalized long impact par");
- hDXYvsDZNormalized[i] ->SetXTitle("normalized long impact par");
- hDXYvsDZNormalized[i] ->SetYTitle("normalized trans impact par");
-
- hNClustersITS[i] ->SetLineColor(color); hNClustersITS[i] ->SetLineWidth(2);
- hNClustersTPC[i] ->SetLineColor(color); hNClustersTPC[i] ->SetLineWidth(2);
- hChi2PerClusterITS[i] ->SetLineColor(color); hChi2PerClusterITS[i] ->SetLineWidth(2);
- hChi2PerClusterTPC[i] ->SetLineColor(color); hChi2PerClusterTPC[i] ->SetLineWidth(2);
-
- hC11[i] ->SetLineColor(color); hC11[i] ->SetLineWidth(2);
- hC22[i] ->SetLineColor(color); hC22[i] ->SetLineWidth(2);
- hC33[i] ->SetLineColor(color); hC33[i] ->SetLineWidth(2);
- hC44[i] ->SetLineColor(color); hC44[i] ->SetLineWidth(2);
- hC55[i] ->SetLineColor(color); hC55[i] ->SetLineWidth(2);
-
- hDXY[i] ->SetLineColor(color); hDXY[i] ->SetLineWidth(2);
- hDZ[i] ->SetLineColor(color); hDZ[i] ->SetLineWidth(2);
-
- hDXYNormalized[i] ->SetLineColor(color); hDXYNormalized[i] ->SetLineWidth(2);
- hDZNormalized[i] ->SetLineColor(color); hDZNormalized[i] ->SetLineWidth(2);
+ fhDXYNormalized[i] = new TH1F(Form("dXYNormalized%s",str) ,"",500,-10,10);
+ fhDZNormalized[i] = new TH1F(Form("dZNormalized%s",str) ,"",500,-10,10);
+ fhDXYvsDZNormalized[i] = new TH2F(Form("dXYvsDZNormalized%s",str),"",200,-10,10,200,-10,10);
+
+ fhNSigmaToVertex[i] = new TH1F(Form("nSigmaToVertex%s",str),"",500,0,50);
+
+ fhNClustersITS[i]->SetTitle("n ITS clusters");
+ fhNClustersTPC[i]->SetTitle("n TPC clusters");
+ fhChi2PerClusterITS[i]->SetTitle("#Chi^{2} per ITS cluster");
+ fhChi2PerClusterTPC[i]->SetTitle("#Chi^{2} per TPC cluster");
+
+ fhC11[i]->SetTitle("cov 11 : #sigma_{y}^{2} [cm^{2}]");
+ fhC22[i]->SetTitle("cov 22 : #sigma_{z}^{2} [cm^{2}]");
+ fhC33[i]->SetTitle("cov 33 : #sigma_{sin(#phi)}^{2}");
+ fhC44[i]->SetTitle("cov 44 : #sigma_{tan(#theta_{dip})}^{2}");
+ fhC55[i]->SetTitle("cov 55 : #sigma_{1/p_{T}}^{2} [(c/GeV)^2]");
+
+ fhDXY[i]->SetTitle("transverse impact parameter");
+ fhDZ[i]->SetTitle("longitudinal impact parameter");
+ fhDXYvsDZ[i]->SetTitle("longitudinal impact parameter");
+ fhDXYvsDZ[i]->SetYTitle("transverse impact parameter");
+
+ fhDXYNormalized[i]->SetTitle("normalized trans impact par");
+ fhDZNormalized[i]->SetTitle("normalized long impact par");
+ fhDXYvsDZNormalized[i]->SetTitle("normalized long impact par");
+ fhDXYvsDZNormalized[i]->SetYTitle("normalized trans impact par");
+ fhNSigmaToVertex[i]->SetTitle("n #sigma to vertex");
+ fhNClustersITS[i]->SetLineColor(color); fhNClustersITS[i]->SetLineWidth(2);
+ fhNClustersTPC[i]->SetLineColor(color); fhNClustersTPC[i]->SetLineWidth(2);
+ fhChi2PerClusterITS[i]->SetLineColor(color); fhChi2PerClusterITS[i]->SetLineWidth(2);
+ fhChi2PerClusterTPC[i]->SetLineColor(color); fhChi2PerClusterTPC[i]->SetLineWidth(2);
+
+ fhC11[i]->SetLineColor(color); fhC11[i]->SetLineWidth(2);
+ fhC22[i]->SetLineColor(color); fhC22[i]->SetLineWidth(2);
+ fhC33[i]->SetLineColor(color); fhC33[i]->SetLineWidth(2);
+ fhC44[i]->SetLineColor(color); fhC44[i]->SetLineWidth(2);
+ fhC55[i]->SetLineColor(color); fhC55[i]->SetLineWidth(2);
+
+ fhDXY[i]->SetLineColor(color); fhDXY[i]->SetLineWidth(2);
+ fhDZ[i]->SetLineColor(color); fhDZ[i]->SetLineWidth(2);
+
+ fhDXYNormalized[i]->SetLineColor(color); fhDXYNormalized[i]->SetLineWidth(2);
+ fhDZNormalized[i]->SetLineColor(color); fhDZNormalized[i]->SetLineWidth(2);
+ fhNSigmaToVertex[i]->SetLineColor(color); fhNSigmaToVertex[i]->SetLineWidth(2);
}
+
+ // The number of sigmas to the vertex is per definition gaussian
+ ffDTheoretical = new TF1("nSigmaToVertexTheoretical","([0]/2.506628274)*exp(-(x**2)/2)",0,50);
+ ffDTheoretical->SetParameter(0,1);
+
+ TH1::AddDirectory(oldStatus);
}
//____________________________________________________________________
-void
-AliESDtrackCuts::Print() {
+Bool_t AliESDtrackCuts::LoadHistograms(const Char_t* dir)
+{
+ //
+ // loads the histograms from a file
+ // if dir is empty a directory with the name of this object is taken (like in SaveHistogram)
+ //
- AliInfo("AliESDtrackCuts...");
-}
+ if (!dir)
+ dir = GetName();
+ if (!gDirectory->cd(dir))
+ return kFALSE;
+
+ ffDTheoretical = dynamic_cast<TF1*> (gDirectory->Get("nSigmaToVertexTheory"));
+
+ fhCutStatistics = dynamic_cast<TH1F*> (gDirectory->Get("cut_statistics"));
+ fhCutCorrelation = dynamic_cast<TH2F*> (gDirectory->Get("cut_correlation"));
+
+ Char_t str[5];
+ for (Int_t i=0; i<2; i++) {
+ if (i==0)
+ {
+ gDirectory->cd("before_cuts");
+ str[0] = 0;
+ }
+ else
+ {
+ gDirectory->cd("after_cuts");
+ sprintf(str,"_cut");
+ }
+
+ fhNClustersITS[i] = dynamic_cast<TH1F*> (gDirectory->Get(Form("nClustersITS%s",str) ));
+ fhNClustersTPC[i] = dynamic_cast<TH1F*> (gDirectory->Get(Form("nClustersTPC%s",str) ));
+ fhChi2PerClusterITS[i] = dynamic_cast<TH1F*> (gDirectory->Get(Form("chi2PerClusterITS%s",str)));
+ fhChi2PerClusterTPC[i] = dynamic_cast<TH1F*> (gDirectory->Get(Form("chi2PerClusterTPC%s",str)));
+
+ fhC11[i] = dynamic_cast<TH1F*> (gDirectory->Get(Form("covMatrixDiagonal11%s",str)));
+ fhC22[i] = dynamic_cast<TH1F*> (gDirectory->Get(Form("covMatrixDiagonal22%s",str)));
+ fhC33[i] = dynamic_cast<TH1F*> (gDirectory->Get(Form("covMatrixDiagonal33%s",str)));
+ fhC44[i] = dynamic_cast<TH1F*> (gDirectory->Get(Form("covMatrixDiagonal44%s",str)));
+ fhC55[i] = dynamic_cast<TH1F*> (gDirectory->Get(Form("covMatrixDiagonal55%s",str)));
+
+ fhDXY[i] = dynamic_cast<TH1F*> (gDirectory->Get(Form("dXY%s",str) ));
+ fhDZ[i] = dynamic_cast<TH1F*> (gDirectory->Get(Form("dZ%s",str) ));
+ fhDXYvsDZ[i] = dynamic_cast<TH2F*> (gDirectory->Get(Form("dXYvsDZ%s",str)));
+
+ fhDXYNormalized[i] = dynamic_cast<TH1F*> (gDirectory->Get(Form("dXYNormalized%s",str) ));
+ fhDZNormalized[i] = dynamic_cast<TH1F*> (gDirectory->Get(Form("dZNormalized%s",str) ));
+ fhDXYvsDZNormalized[i] = dynamic_cast<TH2F*> (gDirectory->Get(Form("dXYvsDZNormalized%s",str)));
+
+ fhNSigmaToVertex[i] = dynamic_cast<TH1F*> (gDirectory->Get(Form("nSigmaToVertex%s",str)));
+
+ // TODO only temporary
+ /*fhNClustersITS[i]->SetTitle("n ITS clusters");
+ fhNClustersTPC[i]->SetTitle("n TPC clusters");
+ fhChi2PerClusterITS[i]->SetTitle("#Chi^{2} per ITS cluster");
+ fhChi2PerClusterTPC[i]->SetTitle("#Chi^{2} per TPC cluster");
+
+ fhC11[i]->SetTitle("cov 11 : #sigma_{y}^{2} [cm^{2}]");
+ fhC22[i]->SetTitle("cov 22 : #sigma_{z}^{2} [cm^{2}]");
+ fhC33[i]->SetTitle("cov 33 : #sigma_{sin(#phi)}^{2}");
+ fhC44[i]->SetTitle("cov 44 : #sigma_{tan(#theta_{dip})}^{2}");
+ fhC55[i]->SetTitle("cov 55 : #sigma_{1/p_{T}}^{2} [(c/GeV)^2]");
+
+ fhDXY[i]->SetTitle("transverse impact parameter");
+ fhDZ[i]->SetTitle("longitudinal impact parameter");
+ fhDXYvsDZ[i]->SetTitle("longitudinal impact parameter");
+ fhDXYvsDZ[i]->SetYTitle("transverse impact parameter");
+
+ fhDXYNormalized[i]->SetTitle("normalized trans impact par");
+ fhDZNormalized[i]->SetTitle("normalized long impact par");
+ fhDXYvsDZNormalized[i]->SetTitle("normalized long impact par");
+ fhDXYvsDZNormalized[i]->SetYTitle("normalized trans impact par");
+ fhNSigmaToVertex[i]->SetTitle("n #sigma to vertex");*/
+
+ gDirectory->cd("../");
+ }
+
+ gDirectory->cd("..");
+
+ return kTRUE;
+}
//____________________________________________________________________
-void
-AliESDtrackCuts::SaveHistograms(Char_t* dir) {
-
+void AliESDtrackCuts::SaveHistograms(const Char_t* dir) {
+ //
+ // saves the histograms in a directory (dir)
+ //
+
if (!fHistogramsOn) {
AliDebug(0, "Histograms not on - cannot save histograms!!!");
return;
}
+ if (!dir)
+ dir = GetName();
+
gDirectory->mkdir(dir);
gDirectory->cd(dir);
gDirectory->mkdir("before_cuts");
gDirectory->mkdir("after_cuts");
- hCutStatistics->Write();
- hCutCorrelation->Write();
+ // a factor of 2 is needed since n sigma is positive
+ ffDTheoretical->SetParameter(0,2*fhNSigmaToVertex[0]->Integral("width"));
+ ffDTheoretical->Write("nSigmaToVertexTheory");
+
+ fhCutStatistics->Write();
+ fhCutCorrelation->Write();
for (Int_t i=0; i<2; i++) {
if (i==0)
gDirectory->cd("before_cuts");
else
gDirectory->cd("after_cuts");
-
- hNClustersITS[i] ->Write();
- hNClustersTPC[i] ->Write();
- hChi2PerClusterITS[i] ->Write();
- hChi2PerClusterTPC[i] ->Write();
-
- hC11[i] ->Write();
- hC22[i] ->Write();
- hC33[i] ->Write();
- hC44[i] ->Write();
- hC55[i] ->Write();
-
- hDXY[i] ->Write();
- hDZ[i] ->Write();
- hDXYvsDZ[i] ->Write();
-
- hDXYNormalized[i] ->Write();
- hDZNormalized[i] ->Write();
- hDXYvsDZNormalized[i] ->Write();
+
+ fhNClustersITS[i] ->Write();
+ fhNClustersTPC[i] ->Write();
+ fhChi2PerClusterITS[i] ->Write();
+ fhChi2PerClusterTPC[i] ->Write();
+
+ fhC11[i] ->Write();
+ fhC22[i] ->Write();
+ fhC33[i] ->Write();
+ fhC44[i] ->Write();
+ fhC55[i] ->Write();
+
+ fhDXY[i] ->Write();
+ fhDZ[i] ->Write();
+ fhDXYvsDZ[i] ->Write();
+
+ fhDXYNormalized[i] ->Write();
+ fhDZNormalized[i] ->Write();
+ fhDXYvsDZNormalized[i] ->Write();
+ fhNSigmaToVertex[i] ->Write();
gDirectory->cd("../");
}
gDirectory->cd("../");
}
+//____________________________________________________________________
+void AliESDtrackCuts::DrawHistograms()
+{
+ // draws some histograms
+
+ TCanvas* canvas1 = new TCanvas(Form("%s_1", GetName()), "Track Quality Results1", 800, 800);
+ canvas1->Divide(2, 2);
+
+ canvas1->cd(1);
+ fhNClustersTPC[0]->SetStats(kFALSE);
+ fhNClustersTPC[0]->Draw();
+
+ canvas1->cd(2);
+ fhChi2PerClusterTPC[0]->SetStats(kFALSE);
+ fhChi2PerClusterTPC[0]->Draw();
+
+ canvas1->cd(3);
+ fhNSigmaToVertex[0]->SetStats(kFALSE);
+ fhNSigmaToVertex[0]->GetXaxis()->SetRangeUser(0, 10);
+ fhNSigmaToVertex[0]->Draw();
+
+ canvas1->SaveAs(Form("%s_%s.gif", GetName(), canvas1->GetName()));
+
+ TCanvas* canvas2 = new TCanvas(Form("%s_2", GetName()), "Track Quality Results2", 1200, 800);
+ canvas2->Divide(3, 2);
+
+ canvas2->cd(1);
+ fhC11[0]->SetStats(kFALSE);
+ gPad->SetLogy();
+ fhC11[0]->Draw();
+
+ canvas2->cd(2);
+ fhC22[0]->SetStats(kFALSE);
+ gPad->SetLogy();
+ fhC22[0]->Draw();
+
+ canvas2->cd(3);
+ fhC33[0]->SetStats(kFALSE);
+ gPad->SetLogy();
+ fhC33[0]->Draw();
+
+ canvas2->cd(4);
+ fhC44[0]->SetStats(kFALSE);
+ gPad->SetLogy();
+ fhC44[0]->Draw();
+
+ canvas2->cd(5);
+ fhC55[0]->SetStats(kFALSE);
+ gPad->SetLogy();
+ fhC55[0]->Draw();
+ canvas2->SaveAs(Form("%s_%s.gif", GetName(), canvas2->GetName()));
+
+ TCanvas* canvas3 = new TCanvas(Form("%s_3", GetName()), "Track Quality Results3", 1200, 800);
+ canvas3->Divide(3, 2);
+
+ canvas3->cd(1);
+ fhDXY[0]->SetStats(kFALSE);
+ gPad->SetLogy();
+ fhDXY[0]->Draw();
+
+ canvas3->cd(2);
+ fhDZ[0]->SetStats(kFALSE);
+ gPad->SetLogy();
+ fhDZ[0]->Draw();
+
+ canvas3->cd(3);
+ fhDXYvsDZ[0]->SetStats(kFALSE);
+ gPad->SetLogz();
+ gPad->SetRightMargin(0.15);
+ fhDXYvsDZ[0]->Draw("COLZ");
+
+ canvas3->cd(4);
+ fhDXYNormalized[0]->SetStats(kFALSE);
+ gPad->SetLogy();
+ fhDXYNormalized[0]->Draw();
+
+ canvas3->cd(5);
+ fhDZNormalized[0]->SetStats(kFALSE);
+ gPad->SetLogy();
+ fhDZNormalized[0]->Draw();
+
+ canvas3->cd(6);
+ fhDXYvsDZNormalized[0]->SetStats(kFALSE);
+ gPad->SetLogz();
+ gPad->SetRightMargin(0.15);
+ fhDXYvsDZNormalized[0]->Draw("COLZ");
+
+ canvas3->SaveAs(Form("%s_%s.gif", GetName(), canvas3->GetName()));
+
+ TCanvas* canvas4 = new TCanvas(Form("%s_4", GetName()), "Track Quality Results4", 800, 500);
+ canvas4->Divide(2, 1);
+
+ canvas4->cd(1);
+ fhCutStatistics->SetStats(kFALSE);
+ fhCutStatistics->LabelsOption("v");
+ gPad->SetBottomMargin(0.3);
+ fhCutStatistics->Draw();
+
+ canvas4->cd(2);
+ fhCutCorrelation->SetStats(kFALSE);
+ fhCutCorrelation->LabelsOption("v");
+ gPad->SetBottomMargin(0.3);
+ gPad->SetLeftMargin(0.3);
+ fhCutCorrelation->Draw("COLZ");
+
+ canvas4->SaveAs(Form("%s_%s.gif", GetName(), canvas4->GetName()));
+
+ /*canvas->cd(1);
+ fhDXYvsDZNormalized[0]->SetStats(kFALSE);
+ fhDXYvsDZNormalized[0]->DrawCopy("COLZ");
+
+ canvas->cd(2);
+ fhNClustersTPC[0]->SetStats(kFALSE);
+ fhNClustersTPC[0]->DrawCopy();
+
+ canvas->cd(3);
+ fhChi2PerClusterITS[0]->SetStats(kFALSE);
+ fhChi2PerClusterITS[0]->DrawCopy();
+ fhChi2PerClusterITS[1]->SetLineColor(2);
+ fhChi2PerClusterITS[1]->DrawCopy("SAME");
+
+ canvas->cd(4);
+ fhChi2PerClusterTPC[0]->SetStats(kFALSE);
+ fhChi2PerClusterTPC[0]->DrawCopy();
+ fhChi2PerClusterTPC[1]->SetLineColor(2);
+ fhChi2PerClusterTPC[1]->DrawCopy("SAME");*/
+}