// that is the base for AliTPCtracker, AliITStrackerV2 and AliTRDtracker
// Origin: Iouri Belikov, CERN, Jouri.Belikov@cern.ch
//-------------------------------------------------------------------------
-#include <Rtypes.h>
-class AliKalmanTrack;
-class AliCluster;
-class TFile;
+#include <TGeoGlobalMagField.h>
+#include <TObject.h>
-class AliTracker {
+#include "AliMagF.h"
+#include "AliRecoParam.h"
+#include "AliPlaneEff.h"
+
+class TTree;
+class AliCluster;
+class AliESDEvent;
+class AliESDtrack;
+class AliExternalTrackParam;
+class AliTrackPoint;
+class AliKalmanTrack;
+class AliEventInfo;
+class AliTracker : public TObject {
public:
- AliTracker() { fX=fY=fZ=0.; fEventN=0; }
+ AliTracker();
virtual ~AliTracker(){}
- virtual Int_t Clusters2Tracks(const TFile *in, TFile *out)=0;
- virtual Int_t PropagateBack(const TFile *in, TFile *out)=0;
- void SetVertex(Double_t *xyz) { fX=xyz[0]; fY=xyz[1]; fZ=xyz[2]; }
- void SetEventNumber(Int_t ev) { fEventN=ev; }
+ virtual Int_t Clusters2Tracks(AliESDEvent *event)=0;
+ virtual Int_t PropagateBack(AliESDEvent *event)=0;
+ virtual Int_t RefitInward(AliESDEvent *event)=0;
+ virtual Int_t PostProcess(AliESDEvent */*event*/) {return 0;}
+ void SetVertex(const Double_t *xyz, const Double_t *ers=0) {
+ fX=xyz[0]; fY=xyz[1]; fZ=xyz[2];
+ if (ers) { fSigmaX=ers[0]; fSigmaY=ers[1]; fSigmaZ=ers[2]; }
+ }
//protected:
+ virtual Int_t LoadClusters(TTree *)=0;
+ virtual void UnloadClusters()=0;
+ virtual void FillClusterArray(TObjArray* array) const;
virtual AliCluster *GetCluster(Int_t index) const=0;
+ virtual AliPlaneEff *GetPlaneEff() {return NULL;}
+ virtual Bool_t GetTrackPoint(Int_t /* index */ , AliTrackPoint& /* p */) const { return kFALSE;}
+ virtual Bool_t GetTrackPointTrackingError(Int_t /* index */,
+ AliTrackPoint& /* p */, const AliESDtrack* /* t */) { return kFALSE;}
virtual void UseClusters(const AliKalmanTrack *t, Int_t from=0) const;
virtual void CookLabel(AliKalmanTrack *t,Float_t wrong) const;
Double_t GetX() const {return fX;}
Double_t GetY() const {return fY;}
Double_t GetZ() const {return fZ;}
- Int_t GetEventNumber() const {return fEventN;}
+ Double_t GetSigmaX() const {return fSigmaX;}
+ Double_t GetSigmaY() const {return fSigmaY;}
+ Double_t GetSigmaZ() const {return fSigmaZ;}
- static Int_t SetFieldFactor(Char_t* fileName, Bool_t closeFile = kTRUE);
- static Int_t SetFieldFactor(TFile* file, Bool_t deletegAlice = kTRUE);
- static Int_t SetFieldFactor();
-
+ static
+ Double_t MeanMaterialBudget(const Double_t *start, const Double_t *end, Double_t *mparam);
+ static
+ Bool_t PropagateTrackTo(AliExternalTrackParam *track, Double_t x, Double_t m,
+ Double_t maxStep, Bool_t rotateTo=kTRUE, Double_t maxSnp=0.8, Double_t sign=1.);
+ static Bool_t PropagateTrackToBxByBz(AliExternalTrackParam *track, Double_t x,
+ Double_t m,
+ Double_t maxStep, Bool_t rotateTo=kTRUE, Double_t maxSnp=0.8,Double_t sign=1.);
+ //
+ static Double_t GetBz(const Double_t *r);
+ static void GetBxByBz(const Double_t r[3], Double_t b[3]);
+ static Double_t GetBz();
+ static Bool_t UniformField();
+ //
+ static void FillResiduals(const AliExternalTrackParam *t,
+ Double_t *p, Double_t *cov,
+ UShort_t id, Bool_t updated=kTRUE);
+ static void FillResiduals(const AliExternalTrackParam *t,
+ const AliCluster *c, Bool_t updated=kTRUE);
+ static void SetFillResiduals(AliRecoParam::EventSpecie_t es, Bool_t flag=kTRUE) { fFillResiduals=flag; fEventSpecie = es ;}
+ static void SetResidualsArray(TObjArray **arr) { fResiduals=arr; }
+ static TObjArray ** GetResidualsArray() { return fResiduals; }
+
+ void SetEventInfo(AliEventInfo *evInfo) {fEventInfo = evInfo;}
+ const AliEventInfo* GetEventInfo() const {return fEventInfo;}
+
+protected:
+ AliTracker(const AliTracker &atr);
private:
- Int_t fEventN;//event number
+ AliTracker & operator=(const AliTracker & atr);
+ static Bool_t fFillResiduals; // Fill residuals flag
+ static TObjArray **fResiduals; //! Array of histograms with residuals
Double_t fX; //X-coordinate of the primary vertex
Double_t fY; //Y-coordinate of the primary vertex
Double_t fZ; //Z-coordinate of the primary vertex
-
- ClassDef(AliTracker,1) //abstract tracker
+
+ Double_t fSigmaX; // error of the primary vertex position in X
+ Double_t fSigmaY; // error of the primary vertex position in Y
+ Double_t fSigmaZ; // error of the primary vertex position in Z
+
+ static AliRecoParam::EventSpecie_t fEventSpecie ; //! event specie, see AliRecoParam
+ AliEventInfo* fEventInfo; //! pointer to the event info object
+
+ ClassDef(AliTracker,5) //abstract tracker
};
-#endif
-
+//__________________________________________________________________________
+inline Bool_t AliTracker::UniformField()
+{
+ AliMagF* fld = (AliMagF*)TGeoGlobalMagField::Instance()->GetField();
+ return fld ? fld->IsUniform():kTRUE;
+}
+#endif