////////////////////////////////////////////////////////////////////////////
// //
-// The TRD offline tracklet //
+// \class AliTRDseedV1
+// \brief The TRD offline tracklet
+// \author Alexandru Bercuci
// //
////////////////////////////////////////////////////////////////////////////
#include "AliTRDcluster.h"
#endif
+#include "AliTRDReconstructor.h"
+
class TTreeSRedirector;
+class TLinearFitter;
class AliRieman;
class AliTRDtrackingChamber;
class AliTRDtrackV1;
-class AliTRDReconstructor;
class AliTRDpadPlane;
class AliTRDseedV1 : public AliTRDtrackletBase
{
+ friend class AliHLTTRDTracklet;
+
public:
enum ETRDtrackletBuffers {
- kNtb = 31 // max clusters/pad row
+ kNbits = 6 // bits to store number of clusters
+ ,kMask = 0x3f // bit mask
+ ,kNtb = 31 // max clusters/pad row
,kNclusters = 2*kNtb // max number of clusters/tracklet
,kNslices = 10 // max dEdx slices
};
,kPID = BIT(16) // PID contributor
,kCalib = BIT(17) // calibrated tracklet
,kKink = BIT(18) // kink prolongation tracklet
- ,kStandAlone = BIT(19) // stand alone build tracklet
+ ,kStandAlone = BIT(19) // tracklet build during stand alone track finding
+ };
+ enum ETRDtrackletError {
+ kAttachClFound = 1 // not enough clusters found
+ ,kAttachRowGap // found gap attached rows
+ ,kAttachRow // found 3 rows
+ ,kAttachMultipleCl // multiple clusters attached to time bin
+ ,kAttachClAttach // not enough clusters attached
+ ,kFitFailed // fit failed det=0
+ ,kFitOutside // ref radial position outside chamber - wrong covariance
};
AliTRDseedV1(Int_t det = -1);
AliTRDseedV1(const AliTRDseedV1 &ref);
AliTRDseedV1& operator=(const AliTRDseedV1 &ref);
-/* Bool_t AttachClustersIter(
- AliTRDtrackingChamber *chamber, Float_t quality,
- Bool_t kZcorr = kFALSE, AliTRDcluster *c=0x0);*/
- Bool_t AttachClusters(
- AliTRDtrackingChamber *chamber, Bool_t tilt = kFALSE);
+ Bool_t AttachClusters(AliTRDtrackingChamber *const chamber, Bool_t tilt = kFALSE);
void Bootstrap(const AliTRDReconstructor *rec);
void Calibrate();
void CookdEdx(Int_t nslices);
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, 7*sizeof(Double_t));}
- static Double_t GetCovSqrt(Double_t *c, Double_t *d);
- static Double_t GetCovInv(Double_t *c, Double_t *d);
+ static Double_t GetCovSqrt(const Double_t * const c, Double_t *d);
+ static Double_t GetCovInv(const Double_t * const c, Double_t *d);
+ UChar_t GetErrorMsg() const { return fErrorMsg;}
Float_t GetdX() const { return fdX;}
- Float_t* GetdEdx() { return &fdEdx[0];}
- Float_t GetdQdl(Int_t ic, Float_t *dx=0x0) const;
+ const Float_t* GetdEdx() const { return &fdEdx[0];}
+ Float_t GetdQdl(Int_t ic, Float_t *dx=NULL) 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);}
Int_t GetDetector() const { return fDet;}
void GetCalibParam(Float_t &exb, Float_t &vd, Float_t &t0, Float_t &s2, Float_t &dl, Float_t &dt) const {
exb = fExB; vd = fVD; t0 = fT0; s2 = fS2PRF; dl = fDiffL; dt = fDiffT;}
- AliTRDcluster* GetClusters(Int_t i) const { return i<0 || i>=kNclusters ? 0x0 : fClusters[i];}
+ AliTRDcluster* GetClusters(Int_t i) const { return i<0 || i>=kNclusters ? NULL: 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];}
- Float_t GetMomentum(Float_t *err = 0x0) const;
- Int_t GetN() const { return (Int_t)fN&0x1f;}
+ Float_t GetMomentum(Float_t *err = NULL) const;
+ Int_t GetN() const { return (Int_t)fN&kMask;}
Int_t GetN2() const { return GetN();}
- Int_t GetNUsed() const { return Int_t((fN>>5)&0x1f);}
- Int_t GetNShared() const { return Int_t((fN>>10)&0x1f);}
+ Int_t GetNUsed() const { return Int_t((fN>>kNbits)&kMask);}
+ Int_t GetNShared() const { return Int_t(((fN>>kNbits)>>kNbits)&kMask);}
Float_t GetQuality(Bool_t kZcorr) const;
Float_t GetPadLength() const { return fPad[0];}
Float_t GetPadWidth() const { return fPad[1];}
Float_t GetS2Z() const { return fS2Z;}
Float_t GetSigmaY() const { return fS2Y > 0. ? TMath::Sqrt(fS2Y) : 0.2;}
Float_t GetSnp() const { return fYref[1]/TMath::Sqrt(1+fYref[1]*fYref[1]);}
- Float_t GetTgl() const { return fZref[1];}
+ Float_t GetTgl() const { return fZref[1]/TMath::Sqrt(1+fYref[1]*fYref[1]);}
Float_t GetTilt() const { return fPad[2];}
UInt_t GetTrackletWord() const { return 0;}
UShort_t GetVolumeId() const;
Float_t GetX() const { return fX0 - fX;}
Float_t GetY() const { return fYfit[0] - fYfit[1] * fX;}
Double_t GetYat(Double_t x) const { return fYfit[0] - fYfit[1] * (fX0-x);}
- Float_t GetYfit(Int_t id) const { return fYfit[id];}
- Float_t GetYref(Int_t id) const { return fYref[id];}
- Float_t GetZ() const { return fZfit[0] - fZfit[1] * fX;}
+ Float_t GetYfit(Int_t id) const { return fYfit[id];}
+ Float_t GetYref(Int_t id) const { return fYref[id];}
+ Float_t GetZ() const { return fZfit[0] - fZfit[1] * fX;}
Double_t GetZat(Double_t x) const { return fZfit[0] - fZfit[1] * (fX0-x);}
- Float_t GetZfit(Int_t id) const { return fZfit[id];}
- Float_t GetZref(Int_t id) const { return fZref[id];}
- Int_t GetYbin() const { return Int_t(GetY()/0.016);}
- Int_t GetZbin() const { return Int_t(GetZ()/fPad[0]);}
+ Float_t GetZfit(Int_t id) const { return fZfit[id];}
+ Float_t GetZref(Int_t id) const { return fZref[id];}
+ Int_t GetYbin() const { return Int_t(GetY()/0.016);}
+ Int_t GetZbin() const { return Int_t(GetZ()/fPad[0]);}
inline AliTRDcluster* NextCluster();
inline AliTRDcluster* PrevCluster();
void Print(Option_t *o = "") const;
inline void ResetClusterIter(Bool_t forward = kTRUE);
- void Reset();
+ void Reset(Option_t *opt="");
- void SetC(Float_t c) { fC = c;}
- void SetChi2(Float_t chi2) { fChi2 = chi2;}
+ void SetC(Float_t c) { fC = c;}
+ void SetChi2(Float_t chi2) { fChi2 = chi2;}
inline void SetCovRef(const Double_t *cov);
+ void SetErrorMsg(Int_t err) { fErrorMsg = err;}
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 = kTRUE){ SetBit(kKink, k);}
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 SetReconstructor(const AliTRDReconstructor *rec) {fkReconstructor = rec;}
void SetX0(Float_t x0) { fX0 = x0; }
void SetYref(Int_t i, Float_t y) { fYref[i] = y;}
void SetZref(Int_t i, Float_t z) { fZref[i] = z;}
inline void SetN(Int_t n);
inline void SetNUsed(Int_t n);
inline void SetNShared(Int_t n);
+ inline void Swap(Int_t &n1, Int_t &n2);
+ inline void Swap(Double_t &d1, Double_t &d2);
- const AliTRDReconstructor *fReconstructor;//! local reconstructor
+ const AliTRDReconstructor *fkReconstructor;//! local reconstructor
AliTRDcluster **fClusterIter; //! clusters iterator
Int_t fIndexes[kNclusters]; //! Indexes
- Float_t fExB; //! tg(a_L) @ tracklet location
- Float_t fVD; //! drift velocity @ tracklet location
- Float_t fT0; //! time 0 @ tracklet location
- Float_t fS2PRF; //! sigma^2 PRF for xd->0 and phi=a_L
- Float_t fDiffL; //! longitudinal diffusion coefficient
- Float_t fDiffT; //! transversal diffusion coefficient
+ Float_t fExB; // tg(a_L) @ tracklet location
+ Float_t fVD; // drift velocity @ tracklet location
+ Float_t fT0; // time 0 @ tracklet location
+ Float_t fS2PRF; // sigma^2 PRF for xd->0 and phi=a_L
+ Float_t fDiffL; // longitudinal diffusion coefficient
+ Float_t fDiffT; // transversal diffusion coefficient
Char_t fClusterIdx; //! clusters iterator
- UShort_t fN; // number of clusters attached/used/shared
+ UChar_t fErrorMsg; // processing error
+ UInt_t fN; // number of clusters attached/used/shared
Short_t fDet; // TRD detector
AliTRDcluster *fClusters[kNclusters]; // Clusters
Float_t fPad[3]; // local pad definition : length/width/tilt
- Float_t fYref[2]; // Reference y
- Float_t fZref[2]; // Reference z
- Float_t fYfit[2]; // Y fit position +derivation
- Float_t fZfit[2]; // Z fit position
+ Float_t fYref[2]; // Reference y, dydx
+ Float_t fZref[2]; // Reference z, dz/dx
+ Float_t fYfit[2]; // Fit y, dy/dx
+ Float_t fZfit[2]; // Fit z
Float_t fPt; // Pt estimate @ tracklet [GeV/c]
Float_t fdX; // length of time bin
Float_t fX0; // anode wire position
Float_t fC; // Curvature
Float_t fChi2; // Global chi2
Float_t fdEdx[kNslices]; // dE/dx measurements for tracklet
- Float_t fProb[AliPID::kSPECIES]; // PID probabilities
+ Float_t fProb[AliPID::kSPECIES]; // PID probabilities
Int_t fLabels[3]; // most frequent MC labels and total number of different labels
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, 7) // The offline TRD tracklet
+ ClassDef(AliTRDseedV1, 10) // The offline TRD tracklet
};
//____________________________________________________________
fZref[1] = rieman->GetDZat(fX0);
fYref[0] = rieman->GetYat(fX0);
fYref[1] = rieman->GetDYat(fX0);
+ if(fkReconstructor && fkReconstructor->IsHLT()){
+ fRefCov[0] = 1;
+ fRefCov[2] = 10;
+ }else{
+ fRefCov[0] = rieman->GetErrY(fX0);
+ fRefCov[2] = rieman->GetErrZ(fX0);
+ }
fC = rieman->GetC();
fChi2 = rieman->GetChi2();
}
}
return *fClusterIter;
}
- return 0x0;
+ return NULL;
}
//____________________________________________________________
}
return *fClusterIter;
}
- return 0x0;
+ return NULL;
}
//____________________________________________________________
//____________________________________________________________
inline void AliTRDseedV1::SetN(Int_t n)
{
- if(n<0 || n>= (1<<5)) return;
- fN &= ~0x1f;
- fN |= n;
+ if(n<0 || n>kNclusters) return;
+ fN &= ~kMask;
+ fN |= (n&kMask);
}
//____________________________________________________________
inline void AliTRDseedV1::SetNUsed(Int_t n)
{
- if(n<0 || n>= (1<<5)) return;
- fN &= ~(0x1f<<5);
- n <<= 5; fN |= n;
+ if(n<0 || n>kNclusters) return;
+ UInt_t mask(kMask<<kNbits);
+ fN &= ~mask;
+ n=n<<kNbits; fN |= (n&mask);
}
//____________________________________________________________
inline void AliTRDseedV1::SetNShared(Int_t n)
{
- if(n<0 || n>= (1<<5)) return;
- fN &= ~(0x1f<<10);
- n <<= 10; fN |= n;
+ if(n<0 || n>kNclusters) return;
+ UInt_t mask((kMask<<kNbits)<<kNbits);
+ fN &= ~mask;
+ n = (n<<kNbits)<<kNbits; fN|=(n&mask);
+}
+
+//____________________________________________________________
+inline void AliTRDseedV1::Swap(Int_t &n1, Int_t &n2)
+{
+// swap values of n1 with n2
+ Int_t tmp(n1);
+ n1=n2; n2=tmp;
+}
+
+//____________________________________________________________
+inline void AliTRDseedV1::Swap(Double_t &d1, Double_t &d2)
+{
+// swap values of d1 with d2
+ Double_t tmp(d1);
+ d1=d2; d2=tmp;
}
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff