X-Git-Url: http://git.uio.no/git/?p=u%2Fmrichter%2FAliRoot.git;a=blobdiff_plain;f=TRD%2FAliTRDseedV1.h;h=d83427f1c05fe8567c823b844e6c22cc689aeba4;hp=b5a7e3df39347c9941bcc4cddd180f75afa9fdde;hb=803dc399b238096dcf58224967bf3ba25a3efcd4;hpb=8d2bec9eabc518ef374d274ac24336113ec07476 diff --git a/TRD/AliTRDseedV1.h b/TRD/AliTRDseedV1.h index b5a7e3df393..d83427f1c05 100644 --- a/TRD/AliTRDseedV1.h +++ b/TRD/AliTRDseedV1.h @@ -7,7 +7,9 @@ //////////////////////////////////////////////////////////////////////////// // // -// The TRD offline tracklet // +// \class AliTRDseedV1 +// \brief The TRD offline tracklet +// \author Alexandru Bercuci // // //////////////////////////////////////////////////////////////////////////// @@ -27,26 +29,30 @@ #include "AliPID.h" #endif -#ifndef ALIRIEMAN_H -#include "AliRieman.h" -#endif #ifndef ALITRDCLUSTER_H #include "AliTRDcluster.h" #endif + class TTreeSRedirector; +class TLinearFitter; class AliRieman; +class AliTRDReconstructor; class AliTRDtrackingChamber; class AliTRDtrackV1; -class AliTRDReconstructor; +class AliTRDpadPlane; class AliTRDseedV1 : public AliTRDtrackletBase { + friend class AliHLTTRDTracklet; // wrapper for HLT + 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 }; @@ -55,9 +61,23 @@ 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) // tracklet build during stand alone track finding + ,kPrimary = BIT(20) // tracklet from a primary track candidate + ,kChmbGood = BIT(21) // status of the detector from calibration view point + }; + + enum ETRDtrackletError { // up to 8 bits + kAttachClFound = 0 // not enough clusters found + ,kAttachRowGap = 1 // found gap attached rows + ,kAttachRow = 2 // found 3 rows + ,kAttachMultipleCl= 3// multiple clusters attached to time bin + ,kAttachClAttach= 4 // not enough clusters attached + ,kFitCl = 5 // not enough clusters for fit + ,kFitFailedY = 6 // fit failed in XY plane failed + ,kFitFailedZ = 7 // fit in the QZ plane failed }; AliTRDseedV1(Int_t det = -1); @@ -65,106 +85,125 @@ public: 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, Bool_t ChgPlus=kTRUE, Int_t ev=-1); void Bootstrap(const AliTRDReconstructor *rec); void Calibrate(); 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(UChar_t opt=0); + Bool_t FitRobust(Bool_t ChgPlus=kTRUE); Bool_t Init(AliTRDtrackV1 *track); - inline void Init(const AliRieman *fit); + void Init(const AliRieman *fit); Bool_t IsEqual(const TObject *inTracklet) const; Bool_t IsCalibrated() const { return TestBit(kCalib);} + Bool_t IsChmbGood() const { return TestBit(kChmbGood);} Bool_t IsOwner() const { return TestBit(kOwner);} Bool_t IsKink() const { return TestBit(kKink);} + Bool_t IsPrimary() const { return TestBit(kPrimary);} + Bool_t HasPID() const { return TestBit(kPID);} + Bool_t HasError(ETRDtrackletError err) const + { return TESTBIT(fErrorMsg, err);} 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();} Bool_t IsStandAlone() const { return TestBit(kStandAlone);} - Float_t GetC() const { return fC; } + Float_t GetAnodeWireOffset(Float_t zt); + Float_t GetC(Int_t typ=0) const { return fC[typ]; } + Float_t GetCharge(Bool_t useOutliers=kFALSE) const; Float_t GetChi2() const { return fChi2; } 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 Int_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) const; - Float_t GetdYdX() const { return fYfit[1]; } - Float_t GetdZdX() const { return fZref[1]; } + const Float_t* GetdEdx() const { return &fdEdx[0];} + Float_t GetQperTB(Int_t tb) const; + Float_t GetdQdl() const; + Float_t GetdQdl(Int_t ic, Float_t *dx=NULL) const; + Float_t GetdYdX() const { return fYfit[1];} + Float_t GetdZdX() const { return fZfit[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];} + Bool_t GetEstimatedCrossPoint(Float_t &x, Float_t &z) const; 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;} - 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);} + Int_t GetTBoccupancy() const; + Int_t GetTBcross() const; Float_t GetQuality(Bool_t kZcorr) const; - Float_t GetPadLength() const { return fPadLength;} + Float_t GetPadLength() const { return fPad[0];} + Float_t GetPadWidth() const { return fPad[1];} 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 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 GetTilt() const { return fTilt;} + 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 GetX0() const { return fX0;} 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()/fPadLength);} + 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 SetCovRef(const Double_t *cov) { memcpy(&fRefCov[0], cov, 3*sizeof(Double_t));} + void SetC(Float_t c, Int_t typ=0) { fC[typ] = c;} + void SetChmbGood(Bool_t k = kTRUE){ SetBit(kChmbGood, k);} + void SetChi2(Float_t chi2) { fChi2 = chi2;} + inline void SetCovRef(const Double_t *cov); + void SetErrorMsg(ETRDtrackletError err) { SETBIT(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) { SetBit(kKink, k);} + void SetKink(Bool_t k = kTRUE){ SetBit(kKink, k);} + void SetPrimary(Bool_t k = kTRUE){ SetBit(kPrimary, 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) { fTilt = tilt; } - void SetPadLength(Float_t len){ fPadLength = len;} + void SetPadPlane(AliTRDpadPlane * const 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 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;} // void SetUsabilityMap(Long_t um) { fUsable = um; } - void UpDate(const AliTRDtrackV1* trk); + void Update(const AliTRDtrackV1* trk); void UpdateUsed(); void UseClusters(); @@ -175,28 +214,29 @@ private: 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) const; + inline void Swap(Double_t &d1, Double_t &d2) const; - 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 -// ULong_t fUsable; //! bit map of usable clusters - 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 - Float_t fTilt; // local tg of the tilt angle - Float_t fPadLength; // local pad length AliTRDcluster *fClusters[kNclusters]; // Clusters - 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 fMom; // Momentum estimate @ tracklet [GeV/c] + Float_t fPad[4]; // local pad definition : length/width/tilt/anode wire offset + 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 fX; // radial position of the tracklet @@ -204,15 +244,15 @@ private: Float_t fZ; // z position of the tracklet Float_t fS2Y; // estimated resolution in the r-phi direction Float_t fS2Z; // estimated resolution in the z direction - Float_t fC; // Curvature + Float_t fC[2]; // Curvature for standalone [0] rieman [1] vertex constrained 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[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, 12) // The offline TRD tracklet }; //____________________________________________________________ @@ -242,6 +282,8 @@ inline Float_t AliTRDseedV1::GetChi2Phi() const return s2 > 0. ? dphi/s2 : 0.; } + + //____________________________________________________________ inline Double_t AliTRDseedV1::GetPID(Int_t is) const { @@ -250,17 +292,6 @@ inline Double_t AliTRDseedV1::GetPID(Int_t is) const return 0.; } -//____________________________________________________________ -inline void AliTRDseedV1::Init(const AliRieman *rieman) -{ - fZref[0] = rieman->GetZat(fX0); - fZref[1] = rieman->GetDZat(fX0); - fYref[0] = rieman->GetYat(fX0); - fYref[1] = rieman->GetDYat(fX0); - fC = rieman->GetC(); - fChi2 = rieman->GetChi2(); -} - //____________________________________________________________ inline AliTRDcluster* AliTRDseedV1::NextCluster() { @@ -276,7 +307,7 @@ inline AliTRDcluster* AliTRDseedV1::NextCluster() } return *fClusterIter; } - return 0x0; + return NULL; } //____________________________________________________________ @@ -294,7 +325,7 @@ inline AliTRDcluster* AliTRDseedV1::PrevCluster() } return *fClusterIter; } - return 0x0; + return NULL; } //____________________________________________________________ @@ -313,28 +344,64 @@ inline void AliTRDseedV1::ResetClusterIter(Bool_t forward) } } +//____________________________________________________________ +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) { - 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<= (1<<5)) return; - fN &= ~(0x1f<<10); - n <<= 10; fN |= n; + if(n<0 || n>kNclusters) return; + UInt_t mask((kMask<