/* 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>
class AliKalmanTrack : public TObject {
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(){};
+ void SetLabel(Int_t lab) {fLab=lab;}
+
+ 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
+ Warning("GetClusterIndex(Int_t)","Method must be overloaded !\n");
+ return 0;
+ }
+ virtual Double_t GetPIDsignal() const {
+ Warning("GetPIDsignal()","Method must be overloaded !\n");
+ return 0.;
+ }
+
+ virtual Double_t GetDCA(const AliKalmanTrack *p,Double_t &xthis,Double_t &xp) const;
+ virtual
+ Double_t PropagateToDCA(AliKalmanTrack *p, Double_t d=0., Double_t x0=0.);
+ virtual Double_t GetAlpha() const {
+ Warning("GetAlpha()","Method must be overloaded !\n");
+ return 0.;
+ }
+ virtual Double_t GetSigmaY2() const {
+ Warning("GetSigmaY2()","Method must be overloaded !\n");
+ return 0.;
+ }
+ virtual Double_t GetSigmaZ2() const {
+ Warning("GetSigmaZ2()","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 Double_t GetX() const;
+ virtual Double_t GetdEdx() const;
- Double_t fP0; //
- Double_t fP1; //
- Double_t fP2; // track parameters
- Double_t fP3; //
- Double_t fP4; //
+ virtual Double_t GetY() const;
+ virtual Double_t GetZ() const;
+ virtual Double_t GetSnp() const;
+ virtual Double_t GetTgl() const;
+ virtual Double_t Get1Pt() const;
- 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
+ virtual Double_t Phi() const;
+ virtual Double_t SigmaPhi() const;
+ virtual Double_t Theta() const;
+ virtual Double_t SigmaTheta() const;
+ virtual Double_t Eta() const;
+ virtual Double_t Px() const;
+ virtual Double_t Py() const;
+ virtual Double_t Pz() const;
+ virtual Double_t Pt() const;
+ virtual Double_t SigmaPt() const;
+ virtual Double_t P() const;
+ 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 PropagateToVertex(Double_t /*d*/=0., Double_t /*x0*/=0.)
+ {return 0;}
+ virtual Int_t
+ Update(const AliCluster*, Double_t /*chi2*/, UInt_t) {return 0;}
+
+ static void SetConvConst(Double_t cc) {fgConvConst=cc;}
+ static Double_t GetConvConst() {return fgConvConst;}
+
+ 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;}
+
+ // 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;}
+ void PrintTime() const;
+
+protected:
+ 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
Double_t fChi2; // total chi2 value for this track
- Short_t fN; // number of clusters
+ Double_t fMass; // mass hypothesis
+ Int_t fN; // number of associated clusters
+
+ static Double_t fgConvConst; //conversion constant cm -> GeV/c
- ClassDef(AliKalmanTrack,1) // Reconstructed track
+ // variables for time integration (S.Radomski@gsi.de)
+ static const Int_t fgkTypes = 5; // Number of track types (e,mu,pi,k,p)
+ Bool_t fStartTimeIntegral; // indicator wether integrate time
+ Double_t fIntegratedTime[5]; // integrated time
+ Double_t fIntegratedLength; // integrated length
+
+ ClassDef(AliKalmanTrack,2) // Reconstructed track
};
#endif
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff