Use default errors in case the vertexer didn't find any

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

diff --git a/STEER/AliKalmanTrack.h b/STEER/AliKalmanTrack.h
index e586fd57a0a11b43862dd97292b9e191bd96dcc3..4596e3097aa494179d6dbbbd4ce633f6c9bf1daf 100644 (file)
--- a/STEER/AliKalmanTrack.h
+++ b/STEER/AliKalmanTrack.h
@@ -8,11 +8,13 @@
 
 //-------------------------------------------------------------------------
 //                          Class AliKalmanTrack
-//
-//         Origin: Iouri Belikov, CERN, Jouri.Belikov@cern.ch 
+//      fixed the interface for the derived reconstructed track classes 
+//            Origin: Iouri Belikov, CERN, Jouri.Belikov@cern.ch 
 //-------------------------------------------------------------------------
 
 #include <TObject.h>
+#include "AliLog.h"
+#include "AliPID.h"
 
 class AliCluster;
 
@@ -23,49 +25,86 @@ public:
 
   virtual ~AliKalmanTrack(){};
   void SetLabel(Int_t lab) {fLab=lab;}
+  void SetFakeRatio(Float_t ratio) {fFakeRatio=ratio;}
 
   Bool_t   IsSortable() const {return kTRUE;}
   Int_t    GetLabel()   const {return fLab;}
+  Float_t    GetFakeRatio()   const {return fFakeRatio;}
   Double_t GetChi2()    const {return fChi2;}
   Double_t GetMass()    const {return fMass;}
   Int_t    GetNumberOfClusters() const {return fN;}
   virtual Int_t GetClusterIndex(Int_t) const { //reserved for AliTracker
-    Warning("GetClusterIndex(Int_t)","Method must be overloaded !\n");
+    AliWarning("Method must be overloaded !\n");
     return 0;
   } 
+  virtual Double_t GetPIDsignal() const {
+    AliWarning("Method must be overloaded !\n");
+    return 0.;
+  }
+
+  virtual Double_t GetAlpha() const {
+    AliWarning("Method must be overloaded !\n");
+    return 0.;
+  }
+  virtual Double_t GetSigmaY2() const {
+    AliWarning("Method must be overloaded !\n");
+    return 0.;
+  }
+  virtual Double_t GetSigmaZ2() const {
+    AliWarning("Method must be overloaded !\n");
+    return 0.;
+  }
 
   virtual Int_t Compare(const TObject *) const {return 0;} 
 
-  virtual void GetExternalParameters(Double_t &/*xr*/, Double_t /*x*/[5]) const {}
-  virtual void GetExternalCovariance(Double_t /*cov*/[15]) const {}
+  virtual void GetExternalParameters(Double_t&/*xr*/,Double_t/*x*/[5]) const=0;
+  virtual void GetExternalCovariance(Double_t /*cov*/[15]) const = 0;
 
-  virtual Double_t GetPredictedChi2(const AliCluster *) const {return 0.;}
-  virtual 
-    Int_t PropagateTo(Double_t /*xr*/, Double_t /*x0*/, Double_t /*rho*/) {return 0;}
-  virtual Int_t Update(const AliCluster*, Double_t /*chi2*/, UInt_t) {return 0;}
+  virtual Double_t GetPredictedChi2(const AliCluster *) const = 0;
+  virtual Int_t PropagateTo(Double_t/*xr*/,Double_t/*x0*/,Double_t/*rho*/) = 0;
 
-  static void SetConvConst(Double_t cc) {fgConvConst=cc;}
-  Double_t GetConvConst() const {return fgConvConst;}
+  virtual Int_t Update(const AliCluster*, Double_t /*chi2*/, UInt_t) = 0;
 
-  static void SetMagneticField(Double_t f) {// f - Magnetic field in T
-    fgConvConst=100/0.299792458/f;
-  }
-  Double_t GetMagneticField() const {return 100/0.299792458/fgConvConst;}
+  static Double_t MeanMaterialBudget(Double_t *start, Double_t *end, Double_t *mparam);
+ 
+  // Time integration (S.Radomski@gsi.de)
+  void   StartTimeIntegral();
+  void SetIntegratedLength(Double_t l) {fIntegratedLength=l;}
+  void SetIntegratedTimes(const Double_t *times);
 
+  Bool_t IsStartedTimeIntegral() const {return fStartTimeIntegral;}
+  void     AddTimeStep(Double_t length);
+  void GetIntegratedTimes(Double_t *times) const;
+  Double_t GetIntegratedTime(Int_t pdg) const;
+  Double_t GetIntegratedLength() const {return fIntegratedLength;}
+  virtual void GetXYZ(Float_t r[3]) const = 0;
+
+  static Double_t GetConvConst();
+  void SetNumberOfClusters(Int_t n) {fN=n;} 
 protected:
+  void     SaveLocalConvConst();
+  Double_t GetLocalConvConst() const {return fLocalConvConst;}
+
+  void External2Helix(Double_t helix[6]) const;
+
   void SetChi2(Double_t chi2) {fChi2=chi2;} 
   void SetMass(Double_t mass) {fMass=mass;}
-  void SetNumberOfClusters(Int_t n) {fN=n;} 
 
-private: 
   Int_t fLab;             // track label
+  Float_t fFakeRatio;     // fake ratio
   Double_t fChi2;         // total chi2 value for this track
   Double_t fMass;         // mass hypothesis
   Int_t fN;               // number of associated clusters
 
-  static Double_t fgConvConst; //conversion constant cm -> GeV/c
+private:
+  Double_t fLocalConvConst;   //local conversion "curvature(1/cm) -> pt(GeV/c)"
 
-  ClassDef(AliKalmanTrack,1)    // Reconstructed track
+  // variables for time integration (S.Radomski@gsi.de)
+  Bool_t  fStartTimeIntegral;       // indicator wether integrate time
+  Double_t fIntegratedTime[AliPID::kSPECIES];       // integrated time
+  Double_t fIntegratedLength;        // integrated length
+  
+  ClassDef(AliKalmanTrack,5)    // Reconstructed track
 };
 
 #endif