Introducing a new OCDB object, MUON/Calib/KillMap, which allows to selectively

[u/mrichter/AliRoot.git] / MUON / AliMUONTrackExtrap.h

diff --git a/MUON/AliMUONTrackExtrap.h b/MUON/AliMUONTrackExtrap.h
index 59c3a56565ddcea1b55cefb9b7e87a92fc3f059a..5276dca29ed8287cb80b605f212d2a24193523bd 100644 (file)
--- a/MUON/AliMUONTrackExtrap.h
+++ b/MUON/AliMUONTrackExtrap.h
@@ -28,14 +28,16 @@ class AliMUONTrackExtrap : public TObject
        /// Destructor
   virtual ~AliMUONTrackExtrap(){};
   
-       /// set field map
-  static void SetField(const AliMagF* magField) {fgkField = magField;}
+  static void SetField();
+  
+  /// return kTRUE if the field is switched ON
+  static Bool_t IsFieldON() {return fgFieldON;}
   
   static Double_t GetImpactParamFromBendingMomentum(Double_t bendingMomentum);
   static Double_t GetBendingMomentumFromImpactParam(Double_t impactParam);
   
   // Linearly extrapolate track parameters and covariances
-  static void LinearExtrapToZ(AliMUONTrackParam* trackParam, Double_t zEnd);
+  static void LinearExtrapToZ(AliMUONTrackParam* trackParam, Double_t zEnd, Bool_t updatePropagator = kFALSE);
   
   // Extrapolate track parameters in magnetic field
   static void ExtrapToZ(AliMUONTrackParam *trackParam, Double_t zEnd);
@@ -72,7 +74,10 @@ class AliMUONTrackExtrap : public TObject
   
   
  private:
-  static const AliMagF* fgkField;              //!< field map
+  static const Double_t fgkSimpleBPosition;     //!< position of the dipole
+  static const Double_t fgkSimpleBLength;       //!< length of the dipole
+  static       Double_t fgSimpleBValue;         //!< magnetic field value at the centre
+  static       Bool_t   fgFieldON;              //!< kTRUE if the field is switched ON
   static const Bool_t   fgkUseHelix;           //!< Tell whether to use Helix or not (default is Runge-Kutta)
   static const Int_t    fgkMaxStepNumber;      //!< Maximum number of steps for track extrapolation
   static const Double_t fgkHelixStepLength;    //!< Step lenght for track extrapolation (used in Helix)
@@ -102,9 +107,9 @@ class AliMUONTrackExtrap : public TObject
                                          Double_t errXVtx, Double_t errYVtx,
                                          Double_t absZBeg, Double_t pathLength, Double_t f0, Double_t f1, Double_t f2);
   static void CorrectELossEffectInAbsorber(AliMUONTrackParam* param, Double_t eLoss, Double_t sigmaELoss2);
-  static void GetAbsorberCorrectionParam(Double_t trackXYZIn[3], Double_t trackXYZOut[3], Double_t pTotal,
-                                         Double_t &pathLength, Double_t &f0, Double_t &f1, Double_t &f2,
-                                         Double_t &meanRho, Double_t &totalELoss, Double_t &sigmaELoss2);
+  static Bool_t GetAbsorberCorrectionParam(Double_t trackXYZIn[3], Double_t trackXYZOut[3], Double_t pTotal,
+                                           Double_t &pathLength, Double_t &f0, Double_t &f1, Double_t &f2,
+                                           Double_t &meanRho, Double_t &totalELoss, Double_t &sigmaELoss2);
   
   static Double_t BetheBloch(Double_t pTotal, Double_t pathLength, Double_t rho, Double_t atomicA, Double_t atomicZ);
   static Double_t EnergyLossFluctuation2(Double_t pTotal, Double_t pathLength, Double_t rho, Double_t atomicA, Double_t atomicZ);
@@ -114,8 +119,6 @@ class AliMUONTrackExtrap : public TObject
   
   static void ExtrapOneStepHelix(Double_t charge, Double_t step, Double_t *vect, Double_t *vout);
   static void ExtrapOneStepHelix3(Double_t field, Double_t step, Double_t *vect, Double_t *vout);
-
-  static void GetField(Double_t *Position, Double_t *Field);
   
   ClassDef(AliMUONTrackExtrap, 0) // Tools for track extrapolation in ALICE dimuon spectrometer
 };