Record changes.

[u/mrichter/AliRoot.git] / STEER / AliTrackReference.h

diff --git a/STEER/AliTrackReference.h b/STEER/AliTrackReference.h
index fc8117b14abbb10aa784f4f36bc88b8c18ae2e4b..87669d21df48e79d7a8eb556b68cf6cdc74b3773 100644 (file)
--- a/STEER/AliTrackReference.h
+++ b/STEER/AliTrackReference.h
@@ -5,9 +5,17 @@
 
 /* $Id$ */
 
+// 
+// Track Reference object is created every time particle is 
+// crossing detector bounds. 
+// The object is created by Step Manager
+//
+
 #include "TObject.h"
 #include "TMath.h"
 
+class AliExternalTrackParam;
+
 class AliTrackReference : public TObject {
 
 public:
@@ -16,6 +24,7 @@ public:
   AliTrackReference(Int_t label);
   virtual ~AliTrackReference() {}
 
+  static AliExternalTrackParam * MakeTrack(const AliTrackReference *ref, Double_t mass);
   virtual Int_t GetTrack() const {return fTrack;}
   virtual void SetTrack(Int_t track) {fTrack=track;}
   virtual void SetLength(Float_t length){fLength=length;}
@@ -35,8 +44,10 @@ public:
   virtual Float_t Py() const {return fPy;}
   virtual Float_t Pz() const {return fPz;}
   virtual Float_t P() const {return TMath::Sqrt(fPx*fPx+fPy*fPy+fPz*fPz);}
+  virtual Int_t   UserId() const {return fUserId;}
   virtual void SetPosition(Float_t x, Float_t y, Float_t z){fX=x; fY=y; fZ=z;}
   virtual void SetMomentum(Float_t px, Float_t py, Float_t pz){fPx=px; fPy=py; fPz=pz;}
+  virtual void SetUserId(Int_t userId){fUserId=userId;}
 
   // Methods to get position of the track reference in 
   // in the TPC/TRD/TOF Tracking coordinate system
@@ -58,7 +69,8 @@ protected:
   Float_t   fPz;     // momentum
   Float_t   fLength; // track lenght from its origin in cm
   Float_t   fTime;   // time of flight in cm  
+  Int_t     fUserId; // optional Id defined by user
 
-  ClassDef(AliTrackReference,3)  //Base class for all Alice track references
+  ClassDef(AliTrackReference,4)  //Base class for all Alice track references
 };
 #endif