new cuts and tasks added

[u/mrichter/AliRoot.git] / MUON / AliMUONTrackLight.cxx

diff --git a/MUON/AliMUONTrackLight.cxx b/MUON/AliMUONTrackLight.cxx
index 8ed53348da27372b09ca8194a5dbe7739cbc62ee..ff842c1aa791e58f6413b1752f91b105db343745 100644 (file)
--- a/MUON/AliMUONTrackLight.cxx
+++ b/MUON/AliMUONTrackLight.cxx
@@ -40,13 +40,11 @@
 #include "AliMUONTrack.h"
 #include "AliMUONConstants.h"
 #include "AliMUONVTrackStore.h"
-#include "AliMUONTrackExtrap.h"
 #include "AliMUONTrackParam.h"
 
 #include "AliESDMuonTrack.h"
-#include "AliRunLoader.h"
 #include "AliStack.h"
-#include "AliHeader.h"
+#include "AliLog.h"
 
 #include "TDatabasePDG.h"
 #include "TParticle.h"
@@ -127,8 +125,16 @@ AliMUONTrackLight::AliMUONTrackLight(AliESDMuonTrack* muonTrack)
     fWeight(1)
 { 
   /// constructor
-  //AliMUONTrackLight(); 
-  FillFromESD(muonTrack); 
+  fPgen.SetPxPyPzE(0.,0.,0.,0.); 
+  for (Int_t npar = 0; npar < fgkNParentsMax; npar++){
+    fParentPDGCode[npar] = -1; 
+    fParentPythiaLine[npar] = -1;
+  }
+  for (Int_t i = 0; i < 4; i++){
+    fQuarkPDGCode[i] = -1; 
+    fQuarkPythiaLine[i] = -1; 
+  }
+  FillFromESD(muonTrack);
 }
 
 //============================================
@@ -141,19 +147,18 @@ AliMUONTrackLight::~AliMUONTrackLight()
 
 void AliMUONTrackLight::FillFromAliMUONTrack(AliMUONTrack *trackReco,Double_t zvert){
   /// this method sets the muon reconstructed momentum according to the value given by AliMUONTrack
-  AliMUONTrackParam trPar;
-  if (trackReco->GetTrackParamAtVertex()) trPar = *(trackReco->GetTrackParamAtVertex());
-  else {
-    trPar = *((AliMUONTrackParam*) trackReco->GetTrackParamAtCluster()->First());
-    AliMUONTrackExtrap::ExtrapToVertex(&trPar,0.,0.,0.,0.,0.);
+  AliMUONTrackParam* trPar = trackReco->GetTrackParamAtVertex();
+  if (!trPar) {
+    AliError("The track must contain the parameters at vertex");
+    return;
   }
-  this->SetCharge(Int_t(TMath::Sign(1.,trPar.GetInverseBendingMomentum())));
-  this->SetPxPyPz(trPar.Px(),trPar.Py(), trPar.Pz()); 
+  this->SetCharge(Int_t(TMath::Sign(1.,trPar->GetInverseBendingMomentum())));
+  this->SetPxPyPz(trPar->Px(),trPar->Py(), trPar->Pz()); 
   this->SetTriggered(trackReco->GetMatchTrigger()); 
   
-  Double_t xyz[3] = { trPar.GetNonBendingCoor(), 
-                     trPar.GetBendingCoor(),
-                     trPar.GetZ()};
+  Double_t xyz[3] = { trPar->GetNonBendingCoor(), 
+                     trPar->GetBendingCoor(),
+                     trPar->GetZ()};
   if (zvert!=-9999) xyz[2] = zvert;
   this->SetVertex(xyz); 
 }
@@ -191,81 +196,6 @@ void AliMUONTrackLight::SetPxPyPz(Double_t px, Double_t py, Double_t pz){
   fPrec.SetPxPyPzE(px,py,pz,energy);
 }
 
-//============================================
-TParticle* AliMUONTrackLight::FindRefTrack(
-               AliMUONTrack* trackReco, AliMUONVTrackStore* trackRefArray,
-               AliStack* stack)
-{
-  /// Find the Monte Carlo (MC) particle that corresponds to a given reconstructed track.
-  /// @param trackReco  This is the reconstructed track for which we want to find a
-  ///           corresponding MC particle.
-  /// @param trackRefArray  The list of MC reference tracks as generated by
-  ///           AliMUONRecoCheck::ReconstructedTracks for example.
-  /// @param stack  The MC stack of simulated particles.
-  
-  TParticle *part = 0; 
-  const Double_t kSigmaCut = 4;  // 4 sigmas cut
-  Int_t compPart = 0;
-  Bool_t compTrack;
-  
-  TIter next(trackRefArray->CreateIterator());
-  AliMUONTrack* trackRef;
-  while ( (trackRef = static_cast<AliMUONTrack*>(next())) ) {
-    // check if trackRef is compatible with trackReco:
-    compTrack = kFALSE;
-    
-    if (trackReco->GetNClusters() > 1) {
-      
-      // check cluster by cluster if trackReco contain info at each cluster
-      Bool_t compTrackArray[10];
-      trackRef->CompatibleTrack(trackReco,kSigmaCut,compTrackArray);
-      if (TrackCheck(compTrackArray) == 4) compTrack = kTRUE;
-      
-    } else {
-      
-      // otherwise check only parameters at the z position of the first trackRef
-      AliMUONTrackParam *refParam = (AliMUONTrackParam*) trackRef->GetTrackParamAtCluster()->First();
-      AliMUONTrackParam recoParam(*((AliMUONTrackParam*) trackReco->GetTrackParamAtCluster()->First()));
-      AliMUONTrackExtrap::ExtrapToZCov(&recoParam, refParam->GetZ());
-      Double_t chi2;
-      if (refParam->CompatibleTrackParam(recoParam, kSigmaCut, chi2)) compTrack = kTRUE;
-      
-    }
-      
-    if (compTrack) {
-      compPart++;
-      Int_t trackID = trackRef->GetTrackID();
-      this->SetTrackPythiaLine(trackID);
-      part = stack->Particle(trackID);
-      fTrackPDGCode = part->GetPdgCode();
-    }
-  }
-  if (compPart>1) {
-    AliFatal("More than one particle compatible with the reconstructed track.");
-  } 
-  return part;
-}
-
-//============================================
-Int_t AliMUONTrackLight::TrackCheck(Bool_t *compTrack){
-  /// Apply reconstruction requirements
-  /// Return number of validated conditions 
-  /// If all the tests are verified then TrackCheck = 4 (good track)
-  
-  Int_t iTrack = 0;
-  Int_t hitsInLastStations = 0;
-  
-  // apply reconstruction requirements
-  if (compTrack[0] || compTrack[1]) iTrack++; // at least one hit in st. 0
-  if (compTrack[2] || compTrack[3]) iTrack++; // at least one hit in st. 1
-  if (compTrack[4] || compTrack[5]) iTrack++; // at least one hit in st. 2
-  for (Int_t ch = 6; ch < AliMUONConstants::NTrackingCh(); ch++) {
-    if (compTrack[ch]) hitsInLastStations++; 
-  }
-  if (hitsInLastStations > 2) iTrack++; // at least 3 hits in st. 3 & 4
-  return iTrack;
-}
-
 //============================================
 void AliMUONTrackLight::FillMuonHistory(AliStack *stack, TParticle *part){
   /// scans the muon history to determine parents pdg code and pythia line