class AliTRDtrackingChamber;
class AliTRDtrackV1;
class AliTRDReconstructor;
+class AliTRDpadPlane;
class AliTRDseedV1 : public AliTRDtrackletBase
{
public:
enum ETRDtrackletStatus {
kOwner = BIT(14) // owner of its clusters
,kRowCross = BIT(15) // pad row cross tracklet
- ,kCalib = BIT(16) // calibrated tracklet
- ,kKink = BIT(17) // kink prolongation tracklet
- ,kStandAlone = BIT(18)
+ ,kPID = BIT(16) // PID contributor
+ ,kCalib = BIT(17) // calibrated tracklet
+ ,kKink = BIT(18) // kink prolongation tracklet
+ ,kStandAlone = BIT(19) // stand alone build tracklet
};
AliTRDseedV1(Int_t det = -1);
void CookdEdx(Int_t nslices);
void CookLabels();
Bool_t CookPID();
- Bool_t Fit(Bool_t tilt=kTRUE, Int_t errors = 2);
-// void FitMI();
+ Bool_t Fit(Bool_t tilt=kFALSE, Bool_t zcorr=kFALSE);
Bool_t Init(AliTRDtrackV1 *track);
inline void Init(const AliRieman *fit);
Bool_t IsEqual(const TObject *inTracklet) const;
Bool_t IsCalibrated() const { return TestBit(kCalib);}
Bool_t IsOwner() const { return TestBit(kOwner);}
Bool_t IsKink() const { return TestBit(kKink);}
+ Bool_t HasPID() const { return TestBit(kPID);}
Bool_t IsOK() const { return GetN() > 4 && GetNUsed() < 4;}
Bool_t IsRowCross() const { return TestBit(kRowCross);}
Bool_t IsUsable(Int_t i) const { return fClusters[i] && !fClusters[i]->IsUsed();}
inline Float_t GetChi2Z() const;
inline Float_t GetChi2Y() const;
inline Float_t GetChi2Phi() const;
- static void GetClusterXY(const AliTRDcluster *c, Double_t &x, Double_t &y);
void GetCovAt(Double_t x, Double_t *cov) const;
void GetCovXY(Double_t *cov) const { memcpy(cov, &fCov[0], 3*sizeof(Double_t));}
- void GetCovRef(Double_t *cov) const { memcpy(cov, &fRefCov[0], 3*sizeof(Double_t));}
+ void GetCovRef(Double_t *cov) const { memcpy(cov, &fRefCov, 7*sizeof(Double_t));}
+ static Double_t GetCovSqrt(Double_t *c, Double_t *d);
+ static Double_t GetCovInv(Double_t *c, Double_t *d);
Float_t GetdX() const { return fdX;}
Float_t* GetdEdx() { return &fdEdx[0];}
- Float_t GetdQdl(Int_t ic) const;
+ Float_t GetdQdl(Int_t ic, Float_t *dx=0x0) const;
Float_t GetdYdX() const { return fYfit[1]; }
Float_t GetdZdX() const { return fZref[1]; }
Int_t GetdY() const { return Int_t(GetY()/0.014);}
AliTRDcluster* GetClusters(Int_t i) const { return i<0 || i>=kNclusters ? 0x0 : fClusters[i];}
Int_t GetIndexes(Int_t i) const{ return i<0 || i>=kNclusters ? -1 : fIndexes[i];}
Int_t GetLabels(Int_t i) const { return fLabels[i];}
- Double_t GetMomentum() const { return fMom;}
+ Float_t GetMomentum(Float_t *err = 0x0) const;
Int_t GetN() const { return (Int_t)fN&0x1f;}
Int_t GetN2() const { return GetN();}
Int_t GetNUsed() const { return Int_t((fN>>5)&0x1f);}
Int_t GetPlane() const { return AliTRDgeometry::GetLayer(fDet); }
Float_t* GetProbability(Bool_t force=kFALSE);
+ Float_t GetPt() const { return fPt; }
inline Double_t GetPID(Int_t is=-1) const;
Float_t GetS2Y() const { return fS2Y;}
Float_t GetS2Z() const { return fS2Z;}
Float_t GetTgl() const { return fZref[1];}
Float_t GetTilt() const { return fPad[2];}
UInt_t GetTrackletWord() const { return 0;}
+ UShort_t GetVolumeId() const;
Float_t GetX0() const { return fX0;}
Float_t GetX() const { return fX0 - fX;}
Float_t GetY() const { return fYfit[0] - fYfit[1] * fX;}
void SetC(Float_t c) { fC = c;}
void SetChi2(Float_t chi2) { fChi2 = chi2;}
- void SetCovRef(const Double_t *cov) { memcpy(&fRefCov[0], cov, 3*sizeof(Double_t));}
+ inline void SetCovRef(const Double_t *cov);
void SetIndexes(Int_t i, Int_t idx) { fIndexes[i] = idx; }
void SetLabels(Int_t *lbls) { memcpy(fLabels, lbls, 3*sizeof(Int_t)); }
- void SetKink(Bool_t k) { SetBit(kKink, k);}
+ void SetKink(Bool_t k = kTRUE){ SetBit(kKink, k);}
+ void SetPID(Bool_t k = kTRUE) { SetBit(kPID, k);}
void SetStandAlone(Bool_t st) { SetBit(kStandAlone, st); }
- void SetMomentum(Double_t mom){ fMom = mom;}
+ void SetPt(Double_t pt) { fPt = pt;}
void SetOwner();
- void SetTilt(Float_t tilt) { fPad[3] = tilt; }
+ void SetPadPlane(AliTRDpadPlane *p);
void SetPadLength(Float_t l) { fPad[0] = l;}
void SetPadWidth(Float_t w) { fPad[1] = w;}
+ void SetTilt(Float_t tilt) { fPad[2] = tilt; }
void SetDetector(Int_t d) { fDet = d; }
void SetDX(Float_t inDX) { fdX = inDX;}
void SetReconstructor(const AliTRDReconstructor *rec) {fReconstructor = rec;}
void SetYref(Int_t i, Float_t y) { fYref[i] = y;}
void SetZref(Int_t i, Float_t z) { fZref[i] = z;}
// void SetUsabilityMap(Long_t um) { fUsable = um; }
- void UpDate(const AliTRDtrackV1* trk);
+ void Update(const AliTRDtrackV1* trk);
void UpdateUsed();
void UseClusters();
Float_t fZref[2]; // Reference z
Float_t fYfit[2]; // Y fit position +derivation
Float_t fZfit[2]; // Z fit position
- Float_t fMom; // Momentum estimate @ tracklet [GeV/c]
+ Float_t fPt; // Pt estimate @ tracklet [GeV/c]
Float_t fdX; // length of time bin
Float_t fX0; // anode wire position
Float_t fX; // radial position of the tracklet
Float_t fdEdx[kNslices]; // dE/dx measurements for tracklet
Float_t fProb[AliPID::kSPECIES]; // PID probabilities
Int_t fLabels[3]; // most frequent MC labels and total number of different labels
- Double_t fRefCov[3]; // covariance matrix of the track in the yz plane
+ Double_t fRefCov[7]; // covariance matrix of the track in the yz plane + the rest of the diagonal elements
Double_t fCov[3]; // covariance matrix of the tracklet in the xy plane
- ClassDef(AliTRDseedV1, 6) // The offline TRD tracklet
+ ClassDef(AliTRDseedV1, 7) // The offline TRD tracklet
};
//____________________________________________________________
return s2 > 0. ? dphi/s2 : 0.;
}
+
+
//____________________________________________________________
inline Double_t AliTRDseedV1::GetPID(Int_t is) const
{
}
}
+//____________________________________________________________
+inline void AliTRDseedV1::SetCovRef(const Double_t *cov)
+{
+// Copy some "important" covariance matrix elements
+// var(y)
+// cov(y,z) var(z)
+// var(snp)
+// var(tgl)
+// cov(tgl, 1/pt) var(1/pt)
+
+ memcpy(&fRefCov[0], cov, 3*sizeof(Double_t)); // yz full covariance
+ fRefCov[3] = cov[ 5]; // snp variance
+ fRefCov[4] = cov[ 9]; // tgl variance
+ fRefCov[5] = cov[13]; // cov(tgl, 1/pt)
+ fRefCov[6] = cov[14]; // 1/pt variance
+}
+
+
//____________________________________________________________
inline void AliTRDseedV1::SetN(Int_t n)
{
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff