/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
* See cxx source for full Copyright notice */
+/* $Id$ */
+
//-------------------------------------------------------------------------
// 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 "AliExternalTrackParam.h"
+#include "AliLog.h"
+#include "AliPID.h"
class AliCluster;
-class AliKalmanTrack : public TObject {
+class AliKalmanTrack : public AliExternalTrackParam {
public:
- AliKalmanTrack() {fN=0; fChi2=0; fLab=-3141593;}
- AliKalmanTrack(const AliKalmanTrack& t);
- Int_t Compare(TObject *o);
- void SetLabel(Int_t lab) {fLab=lab;}
-
- Double_t GetPredictedChi2(const AliCluster *cluster) const;
- Bool_t IsSortable() const {return kTRUE;}
- Int_t GetLabel() const {return fLab;}
- void GetCovariance(Double_t cov[15]) const;
- Double_t GetChi2() const {return fChi2;}
- Int_t GetNumberOfClusters() const {return fN;}
-
- virtual Double_t GetPt() const=0;
- virtual Double_t GetP() const=0;
- virtual void GetPxPyPz(Double_t &px, Double_t &py, Double_t &pz) const=0;
- virtual Int_t PropagateTo(Double_t xr,Double_t x0,Double_t rho,Double_t pm)=0;
- virtual void Update(const AliCluster* c, Double_t chi2, UInt_t i)=0;
-
-protected:
- Int_t fLab; // track label
+ AliKalmanTrack();
+ AliKalmanTrack(const AliKalmanTrack &t);
+ virtual ~AliKalmanTrack(){};
+ AliKalmanTrack& operator=(const AliKalmanTrack &o);
+ void SetLabel(Int_t lab) {fLab=lab;}
+
+ virtual Double_t GetPredictedChi2(const AliCluster *c) const = 0;
+ virtual Bool_t PropagateTo(Double_t xr, Double_t x0, Double_t rho) = 0;
+ virtual Bool_t Update(const AliCluster* c, Double_t chi2, Int_t index) = 0;
+
+ Bool_t IsSortable() const {return kTRUE;}
+ Int_t GetLabel() const {return fLab;}
+ 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
+ AliWarning("Method must be overloaded !\n");
+ return 0;
+ }
+ virtual Int_t GetNumberOfTracklets() const {
+ AliWarning("Method must be overloaded !");
+ return 0;
+ }
+ virtual Int_t GetTrackletIndex(Int_t) const { //reserved for AliTracker
+ AliWarning("Method must be overloaded !");
+ return -1;
+ }
+ virtual Double_t GetPIDsignal() const {
+ AliWarning("Method must be overloaded !\n");
+ return 0.;
+ }
+
+ virtual Int_t Compare(const TObject *) const {return 0;}
- Double_t fP0; //
- Double_t fP1; //
- Double_t fP2; // track parameters
- Double_t fP3; //
- Double_t fP4; //
+ void GetExternalParameters(Double_t &xr,Double_t p[5]) const {
+ xr=GetX();
+ for (Int_t i=0; i<5; i++) p[i]=GetParameter()[i];
+ }
+ void GetExternalCovariance(Double_t cov[15]) const {
+ for (Int_t i=0; i<15; i++) cov[i]=GetCovariance()[i];
+ }
- Double_t fC00; // covariance
- Double_t fC10, fC11; // matrix
- Double_t fC20, fC21, fC22; // of the
- Double_t fC30, fC31, fC32, fC33; // track
- Double_t fC40, fC41, fC42, fC43, fC44; // parameters
+ // Time integration (S.Radomski@gsi.de)
+ void StartTimeIntegral();
+ void SetIntegratedLength(Double_t l) {fIntegratedLength=l;}
+ void SetIntegratedTimes(const Double_t *times);
- Double_t fChi2; // total chi2 value for this track
- Short_t fN; // number of clusters
+ 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;}
+
+ void SetNumberOfClusters(Int_t n) {fN=n;}
+
+ void SetFakeRatio(Float_t ratio) {fFakeRatio=ratio;}
+ Float_t GetFakeRatio() const {return fFakeRatio;}
+ void SetMass(Double_t mass) {fMass=mass;}
+
+protected:
+ void SetChi2(Double_t chi2) {fChi2=chi2;}
+
+ Double32_t fFakeRatio; // fake ratio
+ Double32_t fChi2; // total chi2 value for this track
+ Double32_t fMass; // mass hypothesis
+ Int_t fLab; // track label
+ Int_t fN; // number of associated clusters
- ClassDef(AliKalmanTrack,1) // Reconstructed track
+private:
+ Bool_t fStartTimeIntegral; // indicator wether integrate time
+ // variables for time integration (S.Radomski@gsi.de)
+ Double32_t fIntegratedTime[AliPID::kSPECIES]; // integrated time
+ Double32_t fIntegratedLength; // integrated length
+
+ ClassDef(AliKalmanTrack,7) // Reconstructed track
};
#endif