X-Git-Url: http://git.uio.no/git/?a=blobdiff_plain;f=STEER%2FAliESDMuonTrack.h;h=d2c0580c1c944464e26b35e4202acd8f162fa5fc;hb=9e78371d181c0b5d26df93575f2a86efb4fa9ef9;hp=bd4fc0128ba42e94e9f96952477427fc5801124c;hpb=6cf86656612b1d6259649c85bf2c737f843c7dec;p=u%2Fmrichter%2FAliRoot.git

diff --git a/STEER/AliESDMuonTrack.h b/STEER/AliESDMuonTrack.h
index bd4fc0128ba..d2c0580c1c9 100644
--- a/STEER/AliESDMuonTrack.h
+++ b/STEER/AliESDMuonTrack.h
@@ -6,8 +6,8 @@
 
 /* $Id$ */
 
-//  Class to describe the MUON tracks
-//  in the Event Summary Data class
+/// \class AliESDMuonTrack
+/// \brief Class to describe the MUON tracks in the Event Summary Data class
 //  Author: G.Martinez
 
 
@@ -107,7 +107,7 @@ public:
   Int_t    LoDev(void)    const  { return fLocalTrigger >> 17 & 0x1F; }
   Int_t    LoLpt(void)    const  { return fLocalTrigger >> 22 & 0x03; }
   Int_t    LoHpt(void)    const  { return fLocalTrigger >> 24 & 0x03; }
-  
+
   // Get and Set methods for the hit strips pattern in the trigger chambers
   UShort_t GetTriggerX1Pattern() const { return fX1Pattern; }
   UShort_t GetTriggerY1Pattern() const { return fY1Pattern; }
@@ -165,7 +165,7 @@ public:
   Bool_t   XvYvZv(Double_t x[3]) const { x[0] = Xv(); x[1] = Yv(); x[2] = Zv(); return kTRUE; }  
   Double_t Pt() const { return TMath::Sqrt(Px()*Px() + Py()*Py()); }
   Double_t OneOverPt() const { return (Pt() != 0.) ? 1./Pt() : FLT_MAX; }
-  Double_t Phi() const { return TMath::Pi()+TMath::ATan2(Py(), Px()); }
+  Double_t Phi() const { return TMath::Pi()+TMath::ATan2(-Py(), -Px()); }
   Double_t Theta() const { return TMath::ATan2(Pt(), Pz()); }
   Double_t E() const { return TMath::Sqrt(M()*M() + P()*P()); }
   Double_t M() const { return TDatabasePDG::Instance()->GetParticle("mu-")->Mass(); }
@@ -173,7 +173,46 @@ public:
   Double_t Y() const { return (Pz()/E() != 1.) ? TMath::ATanH(Pz()/E()) : FLT_MAX; }
   Short_t  Charge() const { return (Short_t)TMath::Sign(1., GetInverseBendingMomentum()); }
   const Double_t *PID() const { return (Double_t*)0x0; }
-  Int_t GetLabel() const {return -1;} // Dummy
+  
+  /// Set the corresponding MC track number
+  void  SetLabel(Int_t label) {fLabel = label;}
+  /// Return the corresponding MC track number
+  Int_t GetLabel() const {return fLabel;}
+
+  /// Additional methods to decode hit pattern
+  /// The hit pattern is a UShort_t with:
+  /// <pre>
+  ///   0    |   1 0 0 0 1  |  1 1  |   1  1  0  1  |   1  1  0  1   
+  ///        |              |       |               | 
+  /// unused |  RPC (0-17)  |  flag |  Bend plane   | Non-bend plane
+  ///        |      or      |       | Match chamber | Match chamber
+  ///        | further info |       |  11 12 13 14  |  11 12 13 14
+  ///        |    (20-24)   |       |               |
+  /// </pre>
+  enum EAliTriggerChPatternFlag {
+    kNoEff,    ///< Track is not good for chamber efficiency evaluation
+    kChEff,    ///< Track crosses different RPCs
+    kSlatEff,  ///< Track crosses the same RPC in all planes
+    kBoardEff  ///< Track crosses the same board in all planes
+  };
+  enum EAliTriggerChPatternInfo {
+    kCrossDifferentSlats  = 20, ///< The RPC cannot be univoquely determined
+    kTrackMatchesManyPads = 21, ///< Track not good for effciency calculation since it matches many pads
+    kTrackMatchesFewPads  = 22, ///< Track not good for effciency calculation since it matches pads in less than 3/4 chambers
+    kTrackOutsideGeometry = 23, ///< Problems in pattern determination since track extrapolation is outside trigger chambers
+    kTrackerTrackPattern  = 24  ///< The pattern was calculated from a tracker track not matching trigger track
+  };
+  /// Set hits pattern
+  static void SetFiredChamber(UShort_t& pattern, Int_t cathode, Int_t chamber);
+  /// Add efficiency flag and crossed RPC or info on rejected track
+  static void AddEffInfo(UShort_t& pattern, Int_t slatOrInfo, EAliTriggerChPatternFlag effType = kNoEff);
+  /// Chamber was hit
+  static Bool_t IsChamberHit(UShort_t pattern, Int_t cathode, Int_t chamber);
+  /// Get Efficiency flag
+  static Int_t GetEffFlag(UShort_t pattern);
+  /// Getting crossed slat or info
+  static Int_t GetSlatOrInfo(UShort_t pattern);
+
   
 protected:
   // parameters at vertex
@@ -228,7 +267,9 @@ protected:
   
   mutable TClonesArray* fClusters; ///< Array of clusters attached to the track
   
-  ClassDef(AliESDMuonTrack,10) // MUON ESD track class 
+  Int_t fLabel;                    ///< point to the corresponding MC track
+  
+  ClassDef(AliESDMuonTrack,11) // MUON ESD track class 
 };
 
 #endif