class AliTRDgeometry;
class AliTRDparameter;
class AliTRDtrack;
+class AliTRDtracklet;
class AliTRDcluster;
class AliESD;
+class TTreeSRedirector;
const unsigned kMaxLayersPerSector = 1000;
const unsigned kMaxTimeBinIndex = 216; // (30 drift + 6 ampl) * 6 planes
const unsigned kZones = 5;
const Int_t kTrackingSectors = 18;
+class AliTRDseed : public TObject{
+ friend class AliTRDtracker;
+ public:
+ AliTRDseed(); // default constructor
+ ~AliTRDseed(){}; // default constructor
+ static void EvaluateUni(Int_t nvectors, Double_t *data, Double_t &mean, Double_t &sigma, Int_t hh);
+ static Float_t FitRiemanTilt(AliTRDseed * seed, Bool_t error);
+ void UseClusters(); // use clusters
+ void Update(); // update information - without tilt correction
+ void CookLabels(); // cook label
+ void UpdateUsed();
+ void Reset(); // reset seed
+ Bool_t isOK(){return fN2>8;}
+ private:
+ Float_t fTilt; // tilting angle
+ Float_t fPadLength; // pad length
+ Float_t fX0; // x0 position
+ Float_t fX[25]; // !x position
+ Float_t fY[25]; // !y position
+ Float_t fZ[25]; // !z position
+ Int_t fIndexes[25]; // !indexes
+ AliTRDcluster *fClusters[25]; // !clusters
+ Bool_t fUsable[25]; // !indication - usable cluster
+ Float_t fYref[2]; // reference y
+ Float_t fZref[2]; // reference z
+ Float_t fYfit[2]; // y fit position +derivation
+ Float_t fYfitR[2]; // y fit position +derivation
+ Float_t fZfit[2]; // z fit position
+ Float_t fZfitR[2]; // z fit position
+ Float_t fSigmaY; // "robust" sigma in Y - constant fit
+ Float_t fSigmaY2; // "robust" sigma in Y - line fit
+ Float_t fMeanz; // mean vaue of z
+ Float_t fZProb; // max probbable z
+ Int_t fLabels[2]; // labels
+ Int_t fN; // number of associated clusters
+ Int_t fN2; // number of not crossed
+ Int_t fNUsed; // number of used clusters
+ Int_t fFreq; // freq
+ Int_t fNChange; // change z counter
+ Float_t fMPads; // mean number of pads per cluster
+ // global
+ //
+ Float_t fC; // curvature
+ Float_t fCC; // curvature with constrain
+ Float_t fChi2; // global chi2
+ Float_t fChi2Z; // global chi2
+ private:
+ ClassDef(AliTRDseed,1)
+};
+
+
class AliTRDtracker : public AliTracker {
public:
+
AliTRDtracker();
AliTRDtracker(const TFile *in);
virtual ~AliTRDtracker();
-
+ static Int_t Freq(Int_t n, const Int_t *inlist, Int_t *outlist, Bool_t down);
Int_t Clusters2Tracks(AliESD* event);
Int_t PropagateBack(AliESD* event);
Int_t RefitInward(AliESD* event);
-
+
Int_t LoadClusters(TTree *cTree);
void UnloadClusters();
AliCluster *GetCluster(Int_t index) const { if (index >= fNclusters) return NULL;
return (AliCluster*) fClusters->UncheckedAt(index); };
+ Bool_t GetTrackPoint(Int_t index, AliTrackPoint& p) const;
virtual void CookLabel(AliKalmanTrack *t,Float_t wrong) const;
virtual void UseClusters(const AliKalmanTrack *t, Int_t from=0) const;
Int_t ReadClusters(TObjArray *array, TTree *in) const;
Int_t CookSectorIndex(Int_t gs) const { return kTrackingSectors - 1 - gs; }
- AliTRDcluster * GetCluster(AliTRDtrack * track, Int_t plane, Int_t timebin);
+ AliTRDcluster * GetCluster(AliTRDtrack * track, Int_t plane, Int_t timebin, UInt_t &index);
Int_t GetLastPlane(AliTRDtrack * track); //return last updated plane
+ Int_t FindClusters(Int_t sector, Int_t t0, Int_t t1, AliTRDtrack * track, Int_t *clusters, AliTRDtracklet& tracklet);
Float_t GetSeedGap() const {return fgkSeedGap;}
Int_t GetMaxGap() const {return fMaxGap;}
Double_t GetRho() const { return fRho; }
Double_t GetX0() const { return fX0; }
Int_t GetTimeBinIndex() const { return fTimeBinIndex; }
- void GetPropagationParameters(Double_t y, Double_t z,
+ Bool_t GetPropagationParameters(Double_t y, Double_t z,
Double_t &dx, Double_t &rho, Double_t &x0,
- Bool_t &lookForCluster) const;
+ Bool_t &lookForCluster) const;
Int_t GetZone( Double_t z) const;
- Int_t Find(Double_t y) const;
+ Int_t Find(Float_t y) const;
+ Int_t FindNearestCluster(Float_t y, Float_t z, Float_t maxroad, Float_t maxroadz) const;
void SetZmax(Int_t cham, Double_t center, Double_t w)
{ fZc[cham] = center; fZmax[cham] = w; }
void SetZ(Double_t* center, Double_t *w, Double_t *wsensitive);
protected:
+ friend class AliTRDtracker::AliTRDtrackingSector;
+
AliTRDgeometry *fGeom; // Pointer to TRD geometry
AliTRDparameter *fPar; // Pointer to TRD parameter
static const Double_t fgkSeedErrorSZ; // sz parameter in MakeSeeds
static const Float_t fgkLabelFraction; // min fraction of same label
static const Float_t fgkWideRoad; // max road width in FindProlongation
+ //
+ static const Double_t fgkDriftCorrection; // correction coeficients for drift velocity
+ static const Double_t fgkOffset; // correction coeficients
+ static const Double_t fgkOffsetX; // correction coeficients offset in X
+ static const Double_t fgkCoef; // correction coeficients
+ static const Double_t fgkMean; // correction coeficients
+ static const Double_t fgkExB; // correction coeficients
Bool_t fVocal; // Whatever...
Bool_t fAddTRDseeds; // Something else
static const Int_t fgkLastPlane; // Id of the last (outermost) reference plane
private:
-
+ AliTRDtrack * RegisterSeed(AliTRDseed * seeds, Double_t *params);
virtual void MakeSeeds(Int_t inner, Int_t outer, Int_t turn);
+ void MakeSeedsMI(Int_t inner, Int_t outer, AliESD *esd=0);
Int_t FollowProlongation(AliTRDtrack& t, Int_t rf);
+ Int_t FollowProlongationG(AliTRDtrack& t, Int_t rf);
Int_t FollowBackProlongation(AliTRDtrack& t);
+ Int_t FollowBackProlongationG(AliTRDtrack& t);
Int_t Refit(AliTRDtrack& t, Int_t rf);
void CookdEdxTimBin(AliTRDtrack& t);
void SetSZ2corr(Float_t w) {fSZ2corr = w;}
Double_t ExpectedSigmaY2(Double_t r, Double_t tgl, Double_t pt) const;
Double_t ExpectedSigmaZ2(Double_t r, Double_t tgl) const;
-
+ TTreeSRedirector *fDebugStreamer; //!debug streamer
ClassDef(AliTRDtracker,2) // manager base class
};
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff