X-Git-Url: http://git.uio.no/git/?a=blobdiff_plain;f=ITS%2FAliITStrackerMI.h;h=1d443e7961d0cebb83dd1d313452e9b7cd2b8cb0;hb=da4d7f1738cb9d54a63dba886718a8482b080072;hp=fc790f714fa990572bf519cc254dbd348ceed86c;hpb=f43e383bab3e9a6a9566af016d67d920327df805;p=u%2Fmrichter%2FAliRoot.git diff --git a/ITS/AliITStrackerMI.h b/ITS/AliITStrackerMI.h index fc790f714fa..1d443e7961d 100644 --- a/ITS/AliITStrackerMI.h +++ b/ITS/AliITStrackerMI.h @@ -3,85 +3,62 @@ /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * * See cxx source for full Copyright notice */ +/* $Id$ */ + //------------------------------------------------------------------------- // ITS tracker -// reads AliITSclusterMI clusters and creates AliITStrackV2 tracks -// Origin: Iouri Belikov, CERN, Jouri.Belikov@cern.ch -// Marian Ivanov, CERN, Marian.Ivanov@cern.ch +// reads AliITSclusterMI clusters and creates AliITStrackMI tracks +// Origin: Marian Ivanov, CERN, Marian.Ivanov@cern.ch //------------------------------------------------------------------------- -#include - -#include "AliTracker.h" -#include "AliITStrackV2.h" -#include "AliITSclusterV2.h" - -class AliITSclusterV2; -class AliESD; -class AliITSgeom; class TTree; +class TTreeSRedirector; +class AliESD; class AliHelix; -class AliV0vertex; - - - -class AliITSRecV0Info: public TObject { - friend class AliITStrackerMI; -protected: - void Update(Float_t vertex[3], Float_t mass1, Float_t mass2); - Double_t fDist1; //info about closest distance according closest MC - linear DCA - Double_t fDist2; //info about closest distance parabolic DCA - Double_t fInvMass; //reconstructed invariant mass - - // - Double_t fPdr[3]; //momentum at vertex daughter - according approx at DCA - Double_t fXr[3]; //rec. position according helix - // - Double_t fPm[3]; //momentum at the vertex mother - Double_t fAngle[3]; //three angles - Double_t fRr; // rec position of the vertex - Int_t fLab[2]; //MC label of the partecle - Float_t fPointAngleFi; //point angle fi - Float_t fPointAngleTh; //point angle theta - Float_t fPointAngle; //point angle full - ClassDef(AliITSRecV0Info,1) // container for -}; - - +class AliITSgeom; +#include +#include "AliITSRecPoint.h" +#include "AliITStrackMI.h" +#include "AliTracker.h" //------------------------------------------------------------------------- class AliITStrackerMI : public AliTracker { public: - AliITStrackerMI():AliTracker(){} + AliITStrackerMI(); AliITStrackerMI(const AliITSgeom *geom); + virtual ~AliITStrackerMI(); AliCluster *GetCluster(Int_t index) const; - AliITSclusterV2 *GetClusterLayer(Int_t layn, Int_t ncl) const + virtual Bool_t GetTrackPoint(Int_t index, AliTrackPoint& p) const; + AliITSRecPoint *GetClusterLayer(Int_t layn, Int_t ncl) const {return fgLayers[layn].GetCluster(ncl);} Int_t GetNumberOfClustersLayer(Int_t layn) const {return fgLayers[layn].GetNumberOfClusters();} Int_t LoadClusters(TTree *cf); void UnloadClusters(); - Int_t Clusters2Tracks(TTree *in, TTree *out); Int_t Clusters2Tracks(AliESD *event); Int_t PropagateBack(AliESD *event); Int_t RefitInward(AliESD *event); - Bool_t RefitAt(Double_t x, AliITStrackV2 *seed, const AliITStrackV2 *t); + Bool_t RefitAt(Double_t x, AliITStrackMI *seed, + const AliITStrackMI *t, Bool_t extra=kFALSE); + Bool_t RefitAt(Double_t x, AliITStrackMI *seed, const Int_t *clindex); void SetupFirstPass(Int_t *flags, Double_t *cuts=0); void SetupSecondPass(Int_t *flags, Double_t *cuts=0); void SetLastLayerToTrackTo(Int_t l=0) {fLastLayerToTrackTo=l;} void SetLayersNotToSkip(Int_t *l); void UseClusters(const AliKalmanTrack *t, Int_t from=0) const; - void GetNTeor(Int_t layer, const AliITSclusterV2* cl, Float_t theta, Float_t phi, Float_t &ny, Float_t &nz); - Int_t GetError(Int_t layer, const AliITSclusterV2*cl, Float_t theta, Float_t phi, Float_t expQ, Float_t &erry, Float_t &errz); - Double_t GetPredictedChi2MI(AliITStrackV2* track, const AliITSclusterV2 *cluster,Int_t layer); - Int_t UpdateMI(AliITStrackV2* track, const AliITSclusterV2* cl,Double_t chi2,Int_t layer) const; + void GetNTeor(Int_t layer, const AliITSRecPoint* cl, Float_t theta, Float_t phi, Float_t &ny, Float_t &nz); + Int_t GetError(Int_t layer, const AliITSRecPoint*cl, Float_t theta, Float_t phi, Float_t expQ, Float_t &erry, Float_t &errz); + + void GetDCASigma(AliITStrackMI* track, Float_t & sigmarfi, Float_t &sigmaz); + Double_t GetPredictedChi2MI(AliITStrackMI* track, const AliITSRecPoint *cluster,Int_t layer); + Int_t UpdateMI(AliITStrackMI* track, const AliITSRecPoint* cl,Double_t chi2,Int_t layer) const; class AliITSdetector { public: - AliITSdetector(){} - AliITSdetector(Double_t r,Double_t phi) {fR=r; fPhi=phi; fSinPhi = TMath::Sin(phi); fCosPhi = TMath::Cos(phi); - fYmin=10000;fYmax=-1000; fZmin=10000;fZmax=-1000;} - inline void GetGlobalXYZ( const AliITSclusterV2 *cl, Double_t xyz[3]) const; + AliITSdetector():fR(0),fPhi(0),fSinPhi(0),fCosPhi(0),fYmin(0),fYmax(0),fZmin(0),fZmax(0){} + AliITSdetector(Double_t r,Double_t phi):fR(r),fPhi(phi),fSinPhi(TMath::Sin(phi)),fCosPhi(TMath::Cos(phi)),fYmin(10000),fYmax(-1000),fZmin(10000),fZmax(-1000) {} + inline void GetGlobalXYZ( const AliITSRecPoint *cl, Double_t xyz[3]) const; Double_t GetR() const {return fR;} Double_t GetPhi() const {return fPhi;} Double_t GetYmin() const {return fYmin;} @@ -104,23 +81,22 @@ public: }; class AliITSlayer { - friend class AliITStrackerMI; public: AliITSlayer(); AliITSlayer(Double_t r, Double_t p, Double_t z, Int_t nl, Int_t nd); ~AliITSlayer(); - Int_t InsertCluster(AliITSclusterV2 *c); + Int_t InsertCluster(AliITSRecPoint *c); void SortClusters(); void ResetClusters(); void ResetWeights(); void SelectClusters(Double_t zmi,Double_t zma,Double_t ymi,Double_t yma); - const AliITSclusterV2 *GetNextCluster(Int_t &ci); + const AliITSRecPoint *GetNextCluster(Int_t &ci); void ResetRoad(); Double_t GetRoad() const {return fRoad;} Double_t GetR() const {return fR;} Int_t FindClusterIndex(Float_t z) const; - AliITSclusterV2 *GetCluster(Int_t i) const {return i~AliITSlayer();new(this) AliITSlayer(layer); + return *this;} Double_t fR; // mean radius of this layer Double_t fPhiOffset; // offset of the first detector in Phi Int_t fNladders; // number of ladders @@ -141,13 +122,13 @@ public: Int_t fNdetectors; // detectors/ladder AliITSdetector *fDetectors; // array of detectors Int_t fN; // number of clusters - AliITSclusterV2 *fClusters[kMaxClusterPerLayer]; // pointers to clusters + AliITSRecPoint *fClusters[kMaxClusterPerLayer]; // pointers to clusters Int_t fClusterIndex[kMaxClusterPerLayer]; // pointers to clusters Float_t fY[kMaxClusterPerLayer]; // y position of the clusters Float_t fZ[kMaxClusterPerLayer]; // z position of the clusters Float_t fYB[2]; // ymin and ymax // - AliITSclusterV2 *fClusters5[6][kMaxClusterPerLayer5]; // pointers to clusters - slice in y + AliITSRecPoint *fClusters5[6][kMaxClusterPerLayer5]; // pointers to clusters - slice in y Int_t fClusterIndex5[6][kMaxClusterPerLayer5]; // pointers to clusters - slice in y Float_t fY5[6][kMaxClusterPerLayer5]; // y position of the clusters slice in y Float_t fZ5[6][kMaxClusterPerLayer5]; // z position of the clusters slice in y @@ -155,7 +136,7 @@ public: Float_t fDy5; //delta y Float_t fBy5[6][2]; //slice borders // - AliITSclusterV2 *fClusters10[11][kMaxClusterPerLayer10]; // pointers to clusters - slice in y + AliITSRecPoint *fClusters10[11][kMaxClusterPerLayer10]; // pointers to clusters - slice in y Int_t fClusterIndex10[11][kMaxClusterPerLayer10]; // pointers to clusters - slice in y Float_t fY10[11][kMaxClusterPerLayer10]; // y position of the clusters slice in y Float_t fZ10[11][kMaxClusterPerLayer10]; // z position of the clusters slice in y @@ -163,7 +144,7 @@ public: Float_t fDy10; // delta y Float_t fBy10[11][2]; // slice borders // - AliITSclusterV2 *fClusters20[21][kMaxClusterPerLayer20]; // pointers to clusters - slice in y + AliITSRecPoint *fClusters20[21][kMaxClusterPerLayer20]; // pointers to clusters - slice in y Int_t fClusterIndex20[21][kMaxClusterPerLayer20]; // pointers to clusters - slice in y Float_t fY20[21][kMaxClusterPerLayer20]; // y position of the clusters slice in y Float_t fZ20[21][kMaxClusterPerLayer20]; // z position of the clusters slice in y @@ -171,7 +152,7 @@ public: Float_t fDy20; //delta y Float_t fBy20[21][2]; //slice borders // - AliITSclusterV2** fClustersCs; //clusters table in current slice + AliITSRecPoint** fClustersCs; //clusters table in current slice Int_t *fClusterIndexCs; //cluster index in current slice Float_t *fYcs; //y position in current slice Float_t *fZcs; //z position in current slice @@ -193,63 +174,69 @@ public: AliITStrackerMI::AliITSdetector & GetDetector(Int_t layer, Int_t n) const {return GetLayer(layer).GetDetector(n); } protected: - void FindV0(AliESD *event); //try to find V0 - Double_t TestV0(AliHelix *h1, AliHelix *h2, AliITSRecV0Info *vertex); //try to find V0 - return DCA - Double_t FindBestPair(Int_t esdtrack0, Int_t esdtrack1,AliITSRecV0Info *vertex); // try to find best pair from the tree of track hyp. + Int_t GetNearestLayer(const Double_t *xr) const; //get nearest upper layer close to the point xr + void FindV02(AliESD *event); //try to find V0 + void RefitV02(AliESD *event); //try to refit V0's + void UpdateTPCV0(AliESD *event); //try to update, or reject TPC V0s void CookLabel(AliKalmanTrack *t,Float_t wrong) const; - void CookLabel(AliITStrackV2 *t,Float_t wrong) const; + void CookLabel(AliITStrackMI *t,Float_t wrong) const; Double_t GetEffectiveThickness(Double_t y, Double_t z) const; - void FollowProlongationTree(AliITStrackV2 * otrack, Int_t esdindex); + void FollowProlongationTree(AliITStrackMI * otrack, Int_t esdindex, Bool_t constrain); void ResetBestTrack() { - fBestTrack.~AliITStrackV2(); - new(&fBestTrack) AliITStrackV2(fTrackToFollow); + fBestTrack.~AliITStrackMI(); + new(&fBestTrack) AliITStrackMI(fTrackToFollow); } - void ResetTrackToFollow(const AliITStrackV2 &t) { - fTrackToFollow.~AliITStrackV2(); - new(&fTrackToFollow) AliITStrackV2(t); + void ResetTrackToFollow(const AliITStrackMI &t) { + fTrackToFollow.~AliITStrackMI(); + new(&fTrackToFollow) AliITStrackMI(t); } - void CookdEdx(AliITStrackV2* track); - Double_t GetNormalizedChi2(AliITStrackV2 * track, Int_t mode); - Double_t GetTruncatedChi2(AliITStrackV2 * track, Float_t fac); - Double_t NormalizedChi2(AliITStrackV2 * track, Int_t layer); - Double_t GetInterpolatedChi2(AliITStrackV2 * forwardtrack, AliITStrackV2 * backtrack); - Double_t GetMatchingChi2(AliITStrackV2 * track1, AliITStrackV2 * track2); + void CookdEdx(AliITStrackMI* track); + Double_t GetNormalizedChi2(AliITStrackMI * track, Int_t mode); + Double_t GetTruncatedChi2(AliITStrackMI * track, Float_t fac); + Double_t NormalizedChi2(AliITStrackMI * track, Int_t layer); + Double_t GetInterpolatedChi2(AliITStrackMI * forwardtrack, AliITStrackMI * backtrack); + Double_t GetMatchingChi2(AliITStrackMI * track1, AliITStrackMI * track2); Double_t GetDeadZoneProbability(Double_t zpos, Double_t zerr); Float_t *GetWeight(Int_t index); - void AddTrackHypothesys(AliITStrackV2 * track, Int_t esdindex); + void AddTrackHypothesys(AliITStrackMI * track, Int_t esdindex); void SortTrackHypothesys(Int_t esdindex, Int_t maxcut, Int_t mode); - AliITStrackV2 * GetBestHypothesys(Int_t esdindex, AliITStrackV2 * original, Int_t checkmax); + AliITStrackMI * GetBestHypothesys(Int_t esdindex, AliITStrackMI * original, Int_t checkmax); void GetBestHypothesysMIP(TObjArray &itsTracks); - void RegisterClusterTracks(AliITStrackV2* track, Int_t id); - void UnRegisterClusterTracks(AliITStrackV2* track, Int_t id); - Float_t GetNumberOfSharedClusters(AliITStrackV2* track,Int_t id, Int_t list[6], AliITSclusterV2 *clist[6]); - Int_t GetOverlapTrack(AliITStrackV2 *track, Int_t trackID, Int_t &shared, Int_t clusterlist[6], Int_t overlist[6]); - AliITStrackV2 * GetBest2Tracks(Int_t trackID1, Int_t treackID2, Float_t th0, Float_t th1); + void RegisterClusterTracks(AliITStrackMI* track, Int_t id); + void UnRegisterClusterTracks(AliITStrackMI* track, Int_t id); + Float_t GetNumberOfSharedClusters(AliITStrackMI* track,Int_t id, Int_t list[6], AliITSRecPoint *clist[6]); + Int_t GetOverlapTrack(AliITStrackMI *track, Int_t trackID, Int_t &shared, Int_t clusterlist[6], Int_t overlist[6]); + AliITStrackMI * GetBest2Tracks(Int_t trackID1, Int_t treackID2, Float_t th0, Float_t th1); Float_t * GetErrY(Int_t trackindex) const {return &fCoeficients[trackindex*48];} Float_t * GetErrZ(Int_t trackindex) const {return &fCoeficients[trackindex*48+12];} Float_t * GetNy(Int_t trackindex) const {return &fCoeficients[trackindex*48+24];} Float_t * GetNz(Int_t trackindex) const {return &fCoeficients[trackindex*48+36];} void SignDeltas( TObjArray *ClusterArray, Float_t zv); void MakeCoeficients(Int_t ntracks); - void UpdateESDtrack(AliITStrackV2* track, ULong_t flags) const; + void UpdateESDtrack(AliITStrackMI* track, ULong_t flags) const; Int_t fI; // index of the current layer static AliITSlayer fgLayers[kMaxLayer];// ITS layers - AliITStrackV2 fTracks[kMaxLayer]; // track estimations at the ITS layers - AliITStrackV2 fBestTrack; // "best" track - AliITStrackV2 fTrackToFollow; // followed track + AliITStrackMI fTracks[kMaxLayer]; // track estimations at the ITS layers + AliITStrackMI fBestTrack; // "best" track + AliITStrackMI fTrackToFollow; // followed track TObjArray fTrackHypothesys; // ! array with track hypothesys- ARRAY is the owner of tracks- MI + TObjArray fBestHypothesys; // ! array with track hypothesys- ARRAY is the owner of tracks- MI + TObjArray fOriginal; // ! array with seeds from the TPC Int_t fBestTrackIndex[100000]; // ! index of the best track Int_t fCurrentEsdTrack; // ! current esd track - MI Int_t fPass; // current pass through the data Int_t fConstraint[2]; // constraint flags - + Bool_t fAfterV0; //indicates V0 founded Int_t fLayersNotToSkip[kMaxLayer]; // layer masks Int_t fLastLayerToTrackTo; // the innermost layer to track to Float_t * fCoeficients; //! working array with errors and mean cluser shape - private: - AliITStrackerMI(const AliITStrackerMI * tracker){;} - ClassDef(AliITStrackerMI,1) //ITS tracker V2 + AliESD * fEsd; //! pointer to the ESD event + TTreeSRedirector *fDebugStreamer; //!debug streamer +private: + AliITStrackerMI(const AliITStrackerMI &tracker); + AliITStrackerMI & operator=(const AliITStrackerMI &tracker); + ClassDef(AliITStrackerMI,2) //ITS tracker MI }; @@ -302,18 +289,18 @@ inline void AliITStrackerMI::CookLabel(AliKalmanTrack *t,Float_t wrong) const { } } -inline Double_t AliITStrackerMI::NormalizedChi2(AliITStrackV2 * track, Int_t layer) +inline Double_t AliITStrackerMI::NormalizedChi2(AliITStrackMI * track, Int_t layer) { //-------------------------------------------------------------------- //get normalize chi2 //-------------------------------------------------------------------- - track->fNormChi2[layer] = 2.*track->fNSkipped+0.25*track->fNDeadZone+track->fdEdxMismatch+track->GetChi2()/ + track->SetNormChi2(layer,2.*track->GetNSkipped()+0.25*track->GetNDeadZone()+track->GetdEdxMismatch()+track->GetChi2()/ //track->fNormChi2[layer] = 2.*track->fNSkipped+0.25*track->fNDeadZone+track->fdEdxMismatch+track->fChi22/ - TMath::Max(double(track->GetNumberOfClusters()-track->fNSkipped), - 1./(1.+track->fNSkipped)); - return track->fNormChi2[layer]; + TMath::Max(double(track->GetNumberOfClusters()-track->GetNSkipped()), + 1./(1.+track->GetNSkipped()))); + return track->GetNormChi2(layer); } -inline void AliITStrackerMI::AliITSdetector::GetGlobalXYZ(const AliITSclusterV2 *cl, Double_t xyz[3]) const +inline void AliITStrackerMI::AliITSdetector::GetGlobalXYZ(const AliITSRecPoint *cl, Double_t xyz[3]) const { // // get cluster coordinates in global cooordinate