]> git.uio.no Git - u/mrichter/AliRoot.git/blobdiff - ANALYSIS/AliESDtrackCuts.cxx
Coverity Fix 16220
[u/mrichter/AliRoot.git] / ANALYSIS / AliESDtrackCuts.cxx
index 75943f7a64d90c86af2071d5566c19a80ae16c1a..eef99d036e90503e8d0bff0d76dd67b9d4ac9d28 100644 (file)
@@ -65,7 +65,8 @@ const Char_t* AliESDtrackCuts::fgkCutNames[kNCuts] = {
  "SDD cluster requirement",
  "SSD cluster requirement",
  "require ITS stand-alone",
- "rel 1/pt uncertainty"
+ "rel 1/pt uncertainty",
+ "require ITS Pid"
 };
 
 //____________________________________________________________________
@@ -81,16 +82,28 @@ AliESDtrackCuts::AliESDtrackCuts(const Char_t* name, const Char_t* title) : AliA
   fCutMaxC55(0),
   fCutMaxRel1PtUncertainty(0),
   fCutAcceptKinkDaughters(0),
+  fCutAcceptSharedTPCClusters(0),
+  fCutMaxFractionSharedTPCClusters(0),
   fCutRequireTPCRefit(0),
   fCutRequireTPCStandAlone(0),
-  fCutRequireITSRefit(0),
+  fCutRequireITSRefit(0), 
+  fCutRequireITSPid(0),
   fCutRequireITSStandAlone(0),
+  fCutRequireITSpureSA(0),
   fCutNsigmaToVertex(0),
   fCutSigmaToVertexRequired(0),
   fCutMaxDCAToVertexXY(0),
   fCutMaxDCAToVertexZ(0),
   fCutMinDCAToVertexXY(0),
   fCutMinDCAToVertexZ(0),
+  fCutMaxDCAToVertexXYPtDep(""),
+  fCutMaxDCAToVertexZPtDep(""),
+  fCutMinDCAToVertexXYPtDep(""),
+  fCutMinDCAToVertexZPtDep(""),
+  f1CutMaxDCAToVertexXYPtDep(0x0),
+  f1CutMaxDCAToVertexZPtDep(0x0),
+  f1CutMinDCAToVertexXYPtDep(0x0),
+  f1CutMinDCAToVertexZPtDep(0x0),
   fCutDCAToVertex2D(0),
   fPMin(0),
   fPMax(0),
@@ -128,7 +141,9 @@ AliESDtrackCuts::AliESDtrackCuts(const Char_t* name, const Char_t* title) : AliA
   SetRequireTPCRefit();
   SetRequireTPCStandAlone();
   SetRequireITSRefit();
+  SetRequireITSPid(kFALSE);
   SetRequireITSStandAlone(kFALSE);
+  SetRequireITSPureStandAlone(kFALSE);
   SetAcceptKinkDaughters();
   SetMaxNsigmaToVertex();
   SetMaxDCAToVertexXY();
@@ -163,16 +178,28 @@ AliESDtrackCuts::AliESDtrackCuts(const AliESDtrackCuts &c) : AliAnalysisCuts(c),
   fCutMaxC55(0),
   fCutMaxRel1PtUncertainty(0),
   fCutAcceptKinkDaughters(0),
+  fCutAcceptSharedTPCClusters(0),
+  fCutMaxFractionSharedTPCClusters(0),
   fCutRequireTPCRefit(0),
   fCutRequireTPCStandAlone(0),
   fCutRequireITSRefit(0),
+  fCutRequireITSPid(0),
   fCutRequireITSStandAlone(0),
+  fCutRequireITSpureSA(0),
   fCutNsigmaToVertex(0),
   fCutSigmaToVertexRequired(0),
   fCutMaxDCAToVertexXY(0),
   fCutMaxDCAToVertexZ(0),
   fCutMinDCAToVertexXY(0),
   fCutMinDCAToVertexZ(0),
+  fCutMaxDCAToVertexXYPtDep(""),
+  fCutMaxDCAToVertexZPtDep(""),
+  fCutMinDCAToVertexXYPtDep(""),
+  fCutMinDCAToVertexZPtDep(""),
+  f1CutMaxDCAToVertexXYPtDep(0x0),
+  f1CutMaxDCAToVertexZPtDep(0x0),
+  f1CutMinDCAToVertexXYPtDep(0x0),
+  f1CutMinDCAToVertexZPtDep(0x0),
   fCutDCAToVertex2D(0),
   fPMin(0),
   fPMax(0),
@@ -253,6 +280,16 @@ AliESDtrackCuts::~AliESDtrackCuts()
       delete fhEta[i];
   }
 
+  if(f1CutMaxDCAToVertexXYPtDep)delete f1CutMaxDCAToVertexXYPtDep;
+  f1CutMaxDCAToVertexXYPtDep = 0;
+  if( f1CutMaxDCAToVertexZPtDep) delete  f1CutMaxDCAToVertexZPtDep;
+  f1CutMaxDCAToVertexZPtDep = 0;
+  if( f1CutMinDCAToVertexXYPtDep)delete  f1CutMinDCAToVertexXYPtDep;
+  f1CutMinDCAToVertexXYPtDep = 0;
+  if(f1CutMinDCAToVertexZPtDep)delete  f1CutMinDCAToVertexZPtDep; 
+  f1CutMinDCAToVertexZPtDep = 0;
+
+
   if (ffDTheoretical)
     delete ffDTheoretical;
 
@@ -286,10 +323,14 @@ void AliESDtrackCuts::Init()
   fCutMaxRel1PtUncertainty = 0;
 
   fCutAcceptKinkDaughters = 0;
+  fCutAcceptSharedTPCClusters = 0;
+  fCutMaxFractionSharedTPCClusters = 0;
   fCutRequireTPCRefit = 0;
   fCutRequireTPCStandAlone = 0;
   fCutRequireITSRefit = 0;
+  fCutRequireITSPid = 0;
   fCutRequireITSStandAlone = 0;
+  fCutRequireITSpureSA = 0;
 
   fCutNsigmaToVertex = 0;
   fCutSigmaToVertexRequired = 0;
@@ -298,6 +339,21 @@ void AliESDtrackCuts::Init()
   fCutDCAToVertex2D = 0;
   fCutMinDCAToVertexXY = 0;
   fCutMinDCAToVertexZ = 0;
+  fCutMaxDCAToVertexXYPtDep = "";
+  fCutMaxDCAToVertexZPtDep = "";
+  fCutMinDCAToVertexXYPtDep = "";
+  fCutMinDCAToVertexZPtDep = "";
+
+  if(f1CutMaxDCAToVertexXYPtDep)delete f1CutMaxDCAToVertexXYPtDep;
+  f1CutMaxDCAToVertexXYPtDep = 0;
+  if( f1CutMaxDCAToVertexXYPtDep) delete  f1CutMaxDCAToVertexXYPtDep;
+  f1CutMaxDCAToVertexXYPtDep = 0;
+  if( f1CutMaxDCAToVertexZPtDep) delete  f1CutMaxDCAToVertexZPtDep;
+  f1CutMaxDCAToVertexZPtDep = 0;
+  if( f1CutMinDCAToVertexXYPtDep)delete  f1CutMinDCAToVertexXYPtDep;
+  f1CutMinDCAToVertexXYPtDep = 0;
+  if(f1CutMinDCAToVertexZPtDep)delete f1CutMinDCAToVertexZPtDep;
+  f1CutMinDCAToVertexZPtDep = 0;
 
   
   fPMin = 0;
@@ -392,10 +448,14 @@ void AliESDtrackCuts::Copy(TObject &c) const
   target.fCutMaxRel1PtUncertainty = fCutMaxRel1PtUncertainty;
 
   target.fCutAcceptKinkDaughters = fCutAcceptKinkDaughters;
+  target.fCutAcceptSharedTPCClusters = fCutAcceptSharedTPCClusters;
+  target.fCutMaxFractionSharedTPCClusters = fCutMaxFractionSharedTPCClusters;
   target.fCutRequireTPCRefit = fCutRequireTPCRefit;
   target.fCutRequireTPCStandAlone = fCutRequireTPCStandAlone;
   target.fCutRequireITSRefit = fCutRequireITSRefit;
+  target.fCutRequireITSPid = fCutRequireITSPid;
   target.fCutRequireITSStandAlone = fCutRequireITSStandAlone;
+  target.fCutRequireITSpureSA = fCutRequireITSpureSA;
 
   target.fCutNsigmaToVertex = fCutNsigmaToVertex;
   target.fCutSigmaToVertexRequired = fCutSigmaToVertexRequired;
@@ -405,6 +465,18 @@ void AliESDtrackCuts::Copy(TObject &c) const
   target.fCutMinDCAToVertexXY = fCutMinDCAToVertexXY;
   target.fCutMinDCAToVertexZ = fCutMinDCAToVertexZ;
 
+  target.fCutMaxDCAToVertexXYPtDep = fCutMaxDCAToVertexXYPtDep;
+  target.SetMaxDCAToVertexXYPtDep(fCutMaxDCAToVertexXYPtDep.Data());
+
+  target.fCutMaxDCAToVertexZPtDep = fCutMaxDCAToVertexZPtDep;
+  target.SetMaxDCAToVertexZPtDep(fCutMaxDCAToVertexZPtDep.Data());
+
+  target.fCutMinDCAToVertexXYPtDep = fCutMinDCAToVertexXYPtDep;
+  target.SetMinDCAToVertexXYPtDep(fCutMinDCAToVertexXYPtDep.Data());
+
+  target.fCutMinDCAToVertexZPtDep = fCutMinDCAToVertexZPtDep;
+  target.SetMinDCAToVertexZPtDep(fCutMinDCAToVertexZPtDep.Data());
+
   target.fPMin = fPMin;
   target.fPMax = fPMax;
   target.fPtMin = fPtMin;
@@ -524,8 +596,7 @@ Long64_t AliESDtrackCuts::Merge(TCollection* list) {
 //____________________________________________________________________
 AliESDtrackCuts* AliESDtrackCuts::GetStandardTPCOnlyTrackCuts()
 {
-  // creates an AliESDtrackCuts object and fills it with standard values for TPC-only cuts
-  // see ALICE note: ...
+  // creates an AliESDtrackCuts object and fills it with standard (pre data-taking) values for TPC-only cuts
   
   Printf("AliESDtrackCuts::GetStandardTPCOnlyTrackCuts: Creating track cuts for TPC-only.");
   
@@ -542,6 +613,160 @@ AliESDtrackCuts* AliESDtrackCuts::GetStandardTPCOnlyTrackCuts()
   return esdTrackCuts;
 }
 
+//____________________________________________________________________
+AliESDtrackCuts* AliESDtrackCuts::GetStandardITSTPCTrackCuts2009(Bool_t selPrimaries)
+{
+  // creates an AliESDtrackCuts object and fills it with standard values for ITS-TPC cuts for pp 2009 data
+  
+  Printf("AliESDtrackCuts::GetStandardITSTPCTrackCuts: Creating track cuts for ITS+TPC.");
+  
+  AliESDtrackCuts* esdTrackCuts = new AliESDtrackCuts;
+
+  // TPC  
+  esdTrackCuts->SetRequireTPCStandAlone(kTRUE); // to get chi2 and ncls of kTPCin
+  esdTrackCuts->SetMinNClustersTPC(70);
+  esdTrackCuts->SetMaxChi2PerClusterTPC(4);
+  esdTrackCuts->SetAcceptKinkDaughters(kFALSE);
+  esdTrackCuts->SetRequireTPCRefit(kTRUE);
+  // ITS
+  esdTrackCuts->SetRequireITSRefit(kTRUE);
+  esdTrackCuts->SetClusterRequirementITS(AliESDtrackCuts::kSPD,
+                                        AliESDtrackCuts::kAny);
+  if(selPrimaries) {
+    // 7*(0.0050+0.0060/pt^0.9)
+    esdTrackCuts->SetMaxDCAToVertexXYPtDep("0.0350+0.0420/pt^0.9");
+  }
+  esdTrackCuts->SetMaxDCAToVertexZ(1.e6);
+  esdTrackCuts->SetDCAToVertex2D(kFALSE);
+  esdTrackCuts->SetRequireSigmaToVertex(kFALSE);
+  //esdTrackCuts->SetEtaRange(-0.8,+0.8);
+  
+  return esdTrackCuts;
+}
+
+//____________________________________________________________________
+AliESDtrackCuts* AliESDtrackCuts::GetStandardITSTPCTrackCuts2010(Bool_t selPrimaries)
+{
+  // creates an AliESDtrackCuts object and fills it with standard values for ITS-TPC cuts for pp 2010 data
+  
+  Printf("AliESDtrackCuts::GetStandardITSTPCTrackCuts: Creating track cuts for ITS+TPC.");
+  
+  AliESDtrackCuts* esdTrackCuts = new AliESDtrackCuts;
+
+  // TPC  
+  esdTrackCuts->SetMinNClustersTPC(70);
+  esdTrackCuts->SetMaxChi2PerClusterTPC(4);
+  esdTrackCuts->SetAcceptKinkDaughters(kFALSE);
+  esdTrackCuts->SetRequireTPCRefit(kTRUE);
+  // ITS
+  esdTrackCuts->SetRequireITSRefit(kTRUE);
+  esdTrackCuts->SetClusterRequirementITS(AliESDtrackCuts::kSPD,
+                                        AliESDtrackCuts::kAny);
+  if(selPrimaries) {
+    // 7*(0.0026+0.0050/pt^1.01)
+    esdTrackCuts->SetMaxDCAToVertexXYPtDep("0.0182+0.0350/pt^1.01");
+  }
+  esdTrackCuts->SetMaxDCAToVertexZ(2);
+  esdTrackCuts->SetDCAToVertex2D(kFALSE);
+  esdTrackCuts->SetRequireSigmaToVertex(kFALSE);
+  
+  return esdTrackCuts;
+}
+
+//____________________________________________________________________
+AliESDtrackCuts* AliESDtrackCuts::GetStandardITSPureSATrackCuts2009(Bool_t selPrimaries, Bool_t useForPid)
+{
+  // creates an AliESDtrackCuts object and fills it with standard values for ITS pure SA tracks
+  
+  AliESDtrackCuts* esdTrackCuts = new AliESDtrackCuts;
+  esdTrackCuts->SetRequireITSPureStandAlone(kTRUE);
+  esdTrackCuts->SetRequireITSRefit(kTRUE); 
+  esdTrackCuts->SetMinNClustersITS(4);
+  esdTrackCuts->SetClusterRequirementITS(AliESDtrackCuts::kSPD,
+                                        AliESDtrackCuts::kAny);
+  esdTrackCuts->SetMaxChi2PerClusterITS(1.);
+
+  if(selPrimaries) {
+    // 7*(0.0085+0.0026/pt^1.55)
+    esdTrackCuts->SetMaxDCAToVertexXYPtDep("0.0595+0.0182/pt^1.55");
+  }
+  if(useForPid){
+    esdTrackCuts->SetRequireITSPid(kTRUE);
+  }
+  return esdTrackCuts;
+}
+
+//____________________________________________________________________
+AliESDtrackCuts* AliESDtrackCuts::GetStandardITSPureSATrackCuts2010(Bool_t selPrimaries, Bool_t useForPid)
+{
+  // creates an AliESDtrackCuts object and fills it with standard values for ITS pure SA tracks - pp 2010
+  
+  AliESDtrackCuts* esdTrackCuts = new AliESDtrackCuts;
+  esdTrackCuts->SetRequireITSPureStandAlone(kTRUE);
+  esdTrackCuts->SetRequireITSRefit(kTRUE); 
+  esdTrackCuts->SetMinNClustersITS(4);
+  esdTrackCuts->SetClusterRequirementITS(AliESDtrackCuts::kSPD,
+                                        AliESDtrackCuts::kAny);
+  esdTrackCuts->SetMaxChi2PerClusterITS(2.5);
+
+  if(selPrimaries) {
+    // 7*(0.0033+0.0045/pt^1.3)
+    esdTrackCuts->SetMaxDCAToVertexXYPtDep("0.0231+0.0315/pt^1.3");
+  }
+  if(useForPid){
+    esdTrackCuts->SetRequireITSPid(kTRUE);
+  }
+  return esdTrackCuts;
+}
+
+//____________________________________________________________________
+AliESDtrackCuts* AliESDtrackCuts::GetStandardITSSATrackCuts2009(Bool_t selPrimaries, Bool_t useForPid)
+{
+  // creates an AliESDtrackCuts object and fills it with standard values for ITS pure SA tracks
+  
+  AliESDtrackCuts* esdTrackCuts = new AliESDtrackCuts;
+  esdTrackCuts->SetRequireITSStandAlone(kTRUE);
+  esdTrackCuts->SetRequireITSPureStandAlone(kFALSE);
+  esdTrackCuts->SetRequireITSRefit(kTRUE); 
+  esdTrackCuts->SetMinNClustersITS(4);
+  esdTrackCuts->SetClusterRequirementITS(AliESDtrackCuts::kSPD,
+                                        AliESDtrackCuts::kAny);
+  esdTrackCuts->SetMaxChi2PerClusterITS(1.);
+
+  if(selPrimaries) {
+    // 7*(0.0085+0.0026/pt^1.55)
+    esdTrackCuts->SetMaxDCAToVertexXYPtDep("0.0595+0.0182/pt^1.55");
+  }
+  if(useForPid){
+    esdTrackCuts->SetRequireITSPid(kTRUE);
+  }
+  return esdTrackCuts;
+}
+
+//____________________________________________________________________
+AliESDtrackCuts* AliESDtrackCuts::GetStandardITSSATrackCuts2010(Bool_t selPrimaries, Bool_t useForPid)
+{
+  // creates an AliESDtrackCuts object and fills it with standard values for ITS pure SA tracks --pp 2010
+  
+  AliESDtrackCuts* esdTrackCuts = new AliESDtrackCuts;
+  esdTrackCuts->SetRequireITSStandAlone(kTRUE);
+  esdTrackCuts->SetRequireITSPureStandAlone(kFALSE);
+  esdTrackCuts->SetRequireITSRefit(kTRUE); 
+  esdTrackCuts->SetMinNClustersITS(4);
+  esdTrackCuts->SetClusterRequirementITS(AliESDtrackCuts::kSPD,
+                                        AliESDtrackCuts::kAny);
+  esdTrackCuts->SetMaxChi2PerClusterITS(2.5);
+
+  if(selPrimaries) {
+    // 7*(0.0033+0.0045/pt^1.3)
+    esdTrackCuts->SetMaxDCAToVertexXYPtDep("0.0231+0.0315/pt^1.3");
+  }
+  if(useForPid){
+    esdTrackCuts->SetRequireITSPid(kTRUE);
+  }
+  return esdTrackCuts;
+}
+
 //____________________________________________________________________
 Int_t AliESDtrackCuts::GetReferenceMultiplicity(AliESDEvent* esd, Bool_t tpcOnly)
 {
@@ -555,15 +780,16 @@ Int_t AliESDtrackCuts::GetReferenceMultiplicity(AliESDEvent* esd, Bool_t tpcOnly
     return -1;
   }
   
-  AliESDtrackCuts* esdTrackCuts = GetStandardTPCOnlyTrackCuts();
-  esdTrackCuts->SetEtaRange(-0.8, 0.8);
-  esdTrackCuts->SetPtRange(0.15);
+  static AliESDtrackCuts* esdTrackCuts = 0;
+  if (!esdTrackCuts)
+  {
+    esdTrackCuts = GetStandardTPCOnlyTrackCuts();
+    esdTrackCuts->SetEtaRange(-0.8, 0.8);
+    esdTrackCuts->SetPtRange(0.15);
+  }
   
   Int_t nTracks = esdTrackCuts->CountAcceptedTracks(esd);
   
-  delete esdTrackCuts;
-  esdTrackCuts = 0;
-  
   return nTracks;
 }
 
@@ -669,6 +895,9 @@ Bool_t AliESDtrackCuts::AcceptTrack(AliESDtrack* esdTrack)
     nClustersTPC = esdTrack->GetTPCclusters(0);
   }
 
+  Int_t nClustersTPCShared = esdTrack->GetTPCnclsS();
+  Float_t fracClustersTPCShared = -1.;
+
   Float_t chi2PerClusterITS = -1;
   Float_t chi2PerClusterTPC = -1;
   if (nClustersITS!=0)
@@ -679,6 +908,7 @@ Bool_t AliESDtrackCuts::AcceptTrack(AliESDtrack* esdTrack)
     } else {
       chi2PerClusterTPC = esdTrack->GetTPCchi2()/Float_t(nClustersTPC);
     }
+    fracClustersTPCShared = Float_t(nClustersTPCShared)/Float_t(nClustersTPC);
   }
 
   Double_t extCov[15];
@@ -695,6 +925,11 @@ Bool_t AliESDtrackCuts::AcceptTrack(AliESDtrack* esdTrack)
     bCov[0]=0; bCov[2]=0;
   }
 
+
+  // set pt-dependent DCA cuts, if requested
+  SetPtDepDCACuts(esdTrack->Pt());
+
+
   Float_t dcaToVertexXY = b[0];
   Float_t dcaToVertexZ = b[1];
 
@@ -800,18 +1035,43 @@ Bool_t AliESDtrackCuts::AcceptTrack(AliESDtrack* esdTrack)
   for (Int_t i = 0; i < 3; i++)
     cuts[28+i] = !CheckITSClusterRequirement(fCutClusterRequirementITS[i], esdTrack->HasPointOnITSLayer(i*2), esdTrack->HasPointOnITSLayer(i*2+1));
   
-  if (fCutRequireITSStandAlone && ((status & AliESDtrack::kITSin) == 0 || (status & AliESDtrack::kTPCin)))
-    cuts[31]=kTRUE;
-  
+  if(fCutRequireITSStandAlone || fCutRequireITSpureSA){
+    if ((status & AliESDtrack::kITSin) == 0 || (status & AliESDtrack::kTPCin)){
+      // TPC tracks
+      cuts[31] = kTRUE; 
+    }else{
+      // ITS standalone tracks
+      if(fCutRequireITSStandAlone && !fCutRequireITSpureSA){
+       if(status & AliESDtrack::kITSpureSA) cuts[31] = kTRUE;
+      }else if(fCutRequireITSpureSA){
+       if(!(status & AliESDtrack::kITSpureSA)) cuts[31] = kTRUE;
+      }
+    }
+  }
+
   if (relUncertainty1Pt > fCutMaxRel1PtUncertainty)
-     cuts[32]=kTRUE;
-  
+     cuts[32] = kTRUE;
+
+  if (!fCutAcceptSharedTPCClusters && nClustersTPCShared!=0)
+    cuts[33] = kTRUE;
+
+  if (fracClustersTPCShared > fCutMaxFractionSharedTPCClusters)
+    cuts[34] = kTRUE;  
+
+  if(fCutRequireITSPid){
+    UChar_t clumap=esdTrack->GetITSClusterMap();
+    Int_t nPointsForPid=0;
+    for(Int_t i=2; i<6; i++){
+      if(clumap&(1<<i)) ++nPointsForPid;
+    }
+    if(nPointsForPid<3) cuts[35] = kTRUE;
+  }
+
   Bool_t cut=kFALSE;
   for (Int_t i=0; i<kNCuts; i++) 
     if (cuts[i]) {cut = kTRUE;}
 
 
-
   //########################################################################
   // filling histograms
   if (fHistogramsOn) {
@@ -907,8 +1167,11 @@ Bool_t AliESDtrackCuts::CheckITSClusterRequirement(ITSClusterRequirement req, Bo
 //____________________________________________________________________
 AliESDtrack* AliESDtrackCuts::GetTPCOnlyTrack(AliESDEvent* esd, Int_t iTrack)
 {
-  // creates a TPC only track from the given esd track
-  // the track has to be deleted by the user
+  
+  // Utility function to 
+  // create a TPC only track from the given esd track
+  // 
+  // IMPORTANT: The track has to be deleted by the user
   //
   // NB. most of the functionality to get a TPC only track from an ESD track is in AliESDtrack, where it should be
   // there are only missing propagations here that are needed for old data
@@ -928,15 +1191,6 @@ AliESDtrack* AliESDtrackCuts::GetTPCOnlyTrack(AliESDEvent* esd, Int_t iTrack)
 
   AliESDtrack *tpcTrack = new AliESDtrack();
 
-  // This should have been done during the reconstruction
-  // fixed by Juri in r26675
-  // but recalculate for older data CKB
-  Float_t p[2],cov[3];
-  track->GetImpactParametersTPC(p,cov);
-  if(p[0]==0&&p[1]==0)
-    track->RelateToVertexTPC(esd->GetPrimaryVertexTPC(),esd->GetMagneticField(),kVeryBig);
-  // BKC
-
   // only true if we have a tpc track
   if (!track->FillTPCOnlyTrack(*tpcTrack))
   {
@@ -1381,4 +1635,118 @@ void AliESDtrackCuts::DrawHistograms()
   fhChi2PerClusterTPC[1]->SetLineColor(2);
   fhChi2PerClusterTPC[1]->DrawCopy("SAME");*/
 }
+//--------------------------------------------------------------------------
+void AliESDtrackCuts::SetPtDepDCACuts(Double_t pt) {
+  //
+  // set the pt-dependent DCA cuts
+  //
+
+  if(f1CutMaxDCAToVertexXYPtDep) {
+     fCutMaxDCAToVertexXY=f1CutMaxDCAToVertexXYPtDep->Eval(pt);
+  }
+
+  if(f1CutMaxDCAToVertexZPtDep) {
+    fCutMaxDCAToVertexZ=f1CutMaxDCAToVertexZPtDep->Eval(pt);
+  }
+
+  if(f1CutMinDCAToVertexXYPtDep) {
+    fCutMinDCAToVertexXY=f1CutMinDCAToVertexXYPtDep->Eval(pt);
+  }
+
+  if(f1CutMinDCAToVertexZPtDep) {
+    fCutMinDCAToVertexZ=f1CutMinDCAToVertexZPtDep->Eval(pt);
+  }
+
+
+  return;
+}
 
+
+
+//--------------------------------------------------------------------------
+Bool_t AliESDtrackCuts::CheckPtDepDCA(TString dist,Bool_t print) const {
+  //
+  // Check the correctness of the string syntax
+  //
+  Bool_t retval=kTRUE;
+
+  if(!dist.Contains("pt")) {
+    if(print) printf("AliESDtrackCuts::CheckPtDepDCA(): string must contain \"pt\"\n");
+    retval= kFALSE;
+  } 
+  return retval;
+}
+
+ void AliESDtrackCuts::SetMaxDCAToVertexXYPtDep(const char *dist){
+
+   if(f1CutMaxDCAToVertexXYPtDep){
+     delete f1CutMaxDCAToVertexXYPtDep;
+     // resetiing both
+     f1CutMaxDCAToVertexXYPtDep = 0;
+     fCutMaxDCAToVertexXYPtDep = "";
+   }
+   if(!CheckPtDepDCA(dist,kTRUE)){
+     return;
+   }  
+   fCutMaxDCAToVertexXYPtDep = dist;
+   TString tmp(dist);
+   tmp.ReplaceAll("pt","x");
+   f1CutMaxDCAToVertexXYPtDep = new TFormula("f1CutMaxDCAToVertexXYPtDep",tmp.Data());
+}
+
+ void AliESDtrackCuts::SetMaxDCAToVertexZPtDep(const char *dist){
+
+
+   if(f1CutMaxDCAToVertexZPtDep){
+     delete f1CutMaxDCAToVertexZPtDep;
+     // resetiing both
+     f1CutMaxDCAToVertexZPtDep = 0;
+     fCutMaxDCAToVertexZPtDep = "";
+   }
+   if(!CheckPtDepDCA(dist,kTRUE))return;
+     
+   fCutMaxDCAToVertexZPtDep = dist;
+   TString tmp(dist);
+   tmp.ReplaceAll("pt","x");
+   f1CutMaxDCAToVertexZPtDep = new TFormula("f1CutMaxDCAToVertexZPtDep",tmp.Data());
+
+   
+}
+
+
+ void AliESDtrackCuts::SetMinDCAToVertexXYPtDep(const char *dist){
+
+
+   if(f1CutMinDCAToVertexXYPtDep){
+     delete f1CutMinDCAToVertexXYPtDep;
+     // resetiing both
+     f1CutMinDCAToVertexXYPtDep = 0;
+     fCutMinDCAToVertexXYPtDep = "";
+   }
+   if(!CheckPtDepDCA(dist,kTRUE))return;
+
+   fCutMinDCAToVertexXYPtDep = dist;
+   TString tmp(dist);
+   tmp.ReplaceAll("pt","x");
+   f1CutMinDCAToVertexXYPtDep = new TFormula("f1CutMinDCAToVertexXYPtDep",tmp.Data());
+
+}
+
+
+ void AliESDtrackCuts::SetMinDCAToVertexZPtDep(const char *dist){
+
+   
+
+   if(f1CutMinDCAToVertexZPtDep){
+     delete f1CutMinDCAToVertexZPtDep;
+     // resetiing both
+     f1CutMinDCAToVertexZPtDep = 0;
+     fCutMinDCAToVertexZPtDep = "";
+   }
+   if(!CheckPtDepDCA(dist,kTRUE))return;
+   fCutMinDCAToVertexZPtDep = dist;
+   TString tmp(dist);
+   tmp.ReplaceAll("pt","x");
+   f1CutMinDCAToVertexZPtDep = new TFormula("f1CutMinDCAToVertexZPtDep",tmp.Data());
+}