X-Git-Url: http://git.uio.no/git/?a=blobdiff_plain;f=TRD%2FAliTRDtracker.h;h=8d281702c1bd414e32a88d760caa24fed1fa1c64;hb=d5d8dd9a7a53e9345c6e556091451516a62c35c9;hp=5fdca404b8fb9316c60a9f497edf7bbf27ef15f4;hpb=77f5b6fc3a466c4f06c9757cda604e2facc2c680;p=u%2Fmrichter%2FAliRoot.git diff --git a/TRD/AliTRDtracker.h b/TRD/AliTRDtracker.h index 5fdca404b8f..8d281702c1b 100644 --- a/TRD/AliTRDtracker.h +++ b/TRD/AliTRDtracker.h @@ -4,20 +4,42 @@ /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * * See cxx source for full Copyright notice */ -#include "AliTracker.h" +/* $Id$ */ + +//////////////////////////////////////////////////////////////////////////// +// // +// The TRD tracker // +// // +//////////////////////////////////////////////////////////////////////////// + +#ifndef ROOT_TObjArray #include "TObjArray.h" +#endif + +#ifndef ALITRACKER_H +#include "AliTracker.h" +#endif + +#ifndef ALITRDPROPAGATIONLAYER_H +#include "AliTRDpropagationLayer.h" +#endif class TFile; class TTree; -class TParticle;class TParticlePDG; +class TH1D; +class TH2D; +class TParticle; +class TParticlePDG; +class TTreeSRedirector; class AliTRDgeometry; class AliTRDtrack; class AliTRDtracklet; class AliTRDcluster; class AliTRDseed; -class AliESD; -class TTreeSRedirector; +class AliESDEvent; +class AliTRDpropagationLayer; +class AliTRDReconstructor; /////////////////////////////////////////////////////////////////////////////// // // @@ -30,198 +52,152 @@ class AliTRDtracker : public AliTracker { public: + void InitLogHists(); + void SaveLogHists(); + enum { kMaxLayersPerSector = 1000 , kMaxTimeBinIndex = 216 - , kMaxClusterPerTimeBin = 2300 - , kZones = 5 , kTrackingSectors = 18 }; - - 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); - - // transformation - Int_t LocalToGlobalID(Int_t lid); - Int_t GlobalToLocalID(Int_t gid); - Bool_t Transform(AliTRDcluster * cluster); - // - 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; - void SetAddTRDseeds() { fAddTRDseeds = kTRUE; } - void SetNoTilt() { fNoTilt = kTRUE; } - - Double_t GetTiltFactor(const AliTRDcluster* c); - - 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, 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); - - Int_t GetTimeBinsPerPlane() const { return fTimeBinsPerPlane; } - Double_t GetMaxChi2() const { return fgkMaxChi2; } - Float_t GetLabelFraction() const { return fgkLabelFraction; } - Float_t GetMinClustersInTrack() const { return fgkMinClustersInTrack; } - - // x <-> timebin conversions useful in analysis macros - Double_t GetX(Int_t sec, Int_t plane, Int_t localTB) const; - Double_t GetX(Int_t sec, Int_t pl) const - { return fTrSec[sec]->GetLayer(pl)->GetX(); } - Int_t GetGlobalTimeBin(Int_t sec, Int_t plane, Int_t localTB) const - { return fTrSec[sec]->CookTimeBinIndex(plane,localTB); } - Double_t GetLayerNumber(Int_t sec, Double_t x) const - { return fTrSec[sec]->GetLayerNumber(x); } - + AliTRDtracker(AliTRDReconstructor *rec = NULL); + AliTRDtracker(const AliTRDtracker &t); + AliTRDtracker(const TFile *in, AliTRDReconstructor *rec = NULL); + virtual ~AliTRDtracker(); + AliTRDtracker &operator=(const AliTRDtracker &/*t*/) { return *this; } + + void SetReconstructor(AliTRDReconstructor * const rec) {fReconstructor = rec;} + void SetAddTRDseeds() { fAddTRDseeds = kTRUE; } + void SetNoTilt() { fNoTilt = kTRUE; } + + Int_t GetTimeBinsPerPlane() const { return fTimeBinsPerPlane; } + Double_t GetMaxChi2() const { return fgkMaxChi2; } + Float_t GetLabelFraction() const { return fgkLabelFraction; } + Float_t GetMinClustersInTrack() const { return fgkMinClustersInTrack; } + Int_t GetLastPlane(AliTRDtrack *const track); + Double_t GetTiltFactor(const AliTRDcluster *c); + virtual Bool_t GetTrackPoint(Int_t index, AliTrackPoint& p) const; + Double_t GetX(Int_t sec, Int_t plane, Int_t localTB) const; + Double_t GetX(Int_t sec, Int_t pl) const + { return fTrSec[sec]->GetLayer(pl)->GetX(); } + Int_t GetGlobalTimeBin(Int_t sec, Int_t plane, Int_t localTB) const + { return fTrSec[sec]->CookTimeBinIndex(plane,localTB); } + Double_t GetLayerNumber(Int_t sec, Double_t x) const + { return fTrSec[sec]->GetLayerNumber(x); } + AliCluster *GetCluster(Int_t index) const { if (index >= fNclusters) return NULL; + return (AliCluster *) fClusters->UncheckedAt(index); } + + static Int_t Freq(Int_t n, const Int_t *inlist, Int_t *outlist, Bool_t down); + Int_t Clusters2Tracks(AliESDEvent *event); + Int_t PropagateBack(AliESDEvent *event); + Int_t RefitInward(AliESDEvent *event); + + virtual void CookLabel(AliKalmanTrack *t, Float_t wrong) const; + + Int_t LocalToGlobalID(Int_t lid); + Int_t GlobalToLocalID(Int_t gid); + + Int_t LoadClusters(TTree *cTree); + void UnloadClusters(); + virtual void UseClusters(const AliKalmanTrack *t, Int_t from = 0) const; + Int_t ReadClusters(TObjArray *array, TTree *in) const; + AliTRDcluster *GetCluster(AliTRDtrack * const track, Int_t plane, Int_t timebin, UInt_t &index); + Int_t FindClusters(Int_t sector, Int_t t0, Int_t t1, AliTRDtrack *track + , Int_t *clusters, AliTRDtracklet &tracklet); + protected: - class AliTRDpropagationLayer { - - // ***************** internal class ******************* - public: - - AliTRDpropagationLayer(Double_t x, Double_t dx, Double_t rho, - Double_t x0, Int_t tbIndex, Int_t plane); - - ~AliTRDpropagationLayer() { if(fTimeBinIndex >= 0) { delete[] fClusters; delete[] fIndex; }} - - void InsertCluster(AliTRDcluster *c, UInt_t index); - operator Int_t() const {return fN;} - AliTRDcluster* operator[](Int_t i) {return fClusters[i];} - UInt_t GetIndex(Int_t i) const {return fIndex[i];} - Double_t GetX() const { return fX; } - Double_t GetdX() const { return fdX; } - Int_t GetTimeBinIndex() const { return fTimeBinIndex; } - Int_t GetPlane() const { return fPlane;} - 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); - void SetHoles(Bool_t* holes); - void SetYmax(Double_t w, Double_t wsensitive) { fYmax = w; fYmaxSensitive = wsensitive; } - Double_t GetYmax() const { return fYmax; } - Double_t GetZmax(Int_t c) const { return fZmax[c]; } - Double_t GetZc(Int_t c) const { return fZc[c]; } - - void SetHole(Double_t Zmax, Double_t Ymax, - Double_t rho = 1.29e-3, Double_t x0 = 36.66, - Double_t Yc = 0, Double_t Zc = 0); - - Bool_t IsSensitive() const {return (fTimeBinIndex>=0)? kTRUE: kFALSE;} - - void Clear() {for(Int_t i=0; iGetX(); } - void MapTimeBinLayers(); - Int_t GetLayerNumber(Double_t x) const; - Int_t GetInnerTimeBin() const; - Int_t GetOuterTimeBin() const; - Int_t GetLayerNumber(Int_t tb) const {return fTimeBinIndex[tb];} - Int_t Find(Double_t x) const; - void InsertLayer(AliTRDpropagationLayer* pl); - - // AliTRDpropagationLayer* operator[](Int_t i) { return fLayers[i]; } - AliTRDpropagationLayer* GetLayer(Int_t i) { return fLayers[i]; } - Int_t CookTimeBinIndex(Int_t plane, Int_t localTB) const; - + + AliTRDtrackingSector(AliTRDgeometry* geo, Int_t gs); + AliTRDtrackingSector(const AliTRDtrackingSector &/*t*/); + ~AliTRDtrackingSector(); + + AliTRDtrackingSector &operator=(const AliTRDtrackingSector &/*t*/) { return *this; } + + Int_t GetNumberOfLayers() const { return fN; } + Int_t GetNumberOfTimeBins() const; + Int_t GetLayerNumber(Double_t x) const; + Int_t GetInnerTimeBin() const; + Int_t GetOuterTimeBin() const; + Int_t GetLayerNumber(Int_t tb) const { return fTimeBinIndex[tb]; } + Double_t GetX(Int_t pl) const { return fLayers[pl]->GetX(); } + AliTRDpropagationLayer* GetLayer(Int_t i) const { return fLayers[i]; } + Int_t GetSector() const {return fGeomSector;} + + void MapTimeBinLayers(); + Int_t Find(Double_t x) const; + void InsertLayer(AliTRDpropagationLayer *pl); + Int_t CookTimeBinIndex(Int_t plane, Int_t localTB) const; + private: - - Int_t fN; // total number of layers - AliTRDgeometry *fGeom; // geometry - AliTRDpropagationLayer *fLayers[kMaxLayersPerSector]; // layers - Int_t fTimeBinIndex[kMaxTimeBinIndex]; // time bin index - Int_t fGeomSector; // sector # in AliTRDgeometry - + + Int_t fN; // Total number of layers + AliTRDgeometry *fGeom; // Geometry + AliTRDpropagationLayer *fLayers[kMaxLayersPerSector]; // Layers + Int_t fTimeBinIndex[kMaxTimeBinIndex]; // Time bin index + Int_t fGeomSector; // Sector# in AliTRDgeometry + }; - - AliTRDgeometry *fGeom; // Pointer to TRD geometry - AliTRDtrackingSector *fTrSec[kTrackingSectors]; // array of tracking sectors; - Int_t fNclusters; // Number of clusters in TRD - TObjArray *fClusters; // List of clusters for all sectors - Int_t fNseeds; // Number of track seeds - TObjArray *fSeeds; // List of track seeds - Int_t fNtracks; // Number of reconstructed tracks - TObjArray *fTracks; // List of reconstructed tracks - Int_t fTimeBinsPerPlane; // timebins per plane in track prolongation - - static const Double_t fgkMaxChi2; // max increment in track chi2 - static const Float_t fgkMinClustersInTrack; // min number of clusters in track - static const Float_t fgkLabelFraction; // min fraction of same label - static const Double_t fgkMaxSnp; // maximal snp for tracking - static const Double_t fgkMaxStep; // maximal step for tracking - - Bool_t fAddTRDseeds; // Something else - Bool_t fNoTilt; // No tilt, or what? - Bool_t fHoles[5][18]; // holes - Bool_t AdjustSector(AliTRDtrack *track); - - private: + protected: + AliTRDReconstructor *fReconstructor; // TRD Reconstructor + AliTRDgeometry *fGeom; // Pointer to TRD geometry + AliTRDtrackingSector *fTrSec[kTrackingSectors]; // Array of tracking sectors; + Int_t fNclusters; // Number of clusters in TRD + TObjArray *fClusters; // List of clusters for all sectors + Int_t fNseeds; // Number of track seeds + TObjArray *fSeeds; // List of track seeds + Int_t fNtracks; // Number of reconstructed tracks + TObjArray *fTracks; // List of reconstructed tracks + Int_t fTimeBinsPerPlane; // Timebins per plane in track prolongation + + static const Double_t fgkMaxChi2; // Max increment in track chi2 + static const Float_t fgkMinClustersInTrack; // Min number of clusters in track + static const Float_t fgkLabelFraction; // Min fraction of same label + static const Double_t fgkMaxSnp; // Maximal snp for tracking + static const Double_t fgkMaxStep; // Maximal step for tracking + + Bool_t fAddTRDseeds; // Something else + Bool_t fNoTilt; // No tilt, or what? + + // Histograms + TH1D *fHBackfit; // QA histogram + TH1D *fHClSearch; // QA histogram + TH1D *fHRefit; // QA histogram + TH1D *fHX; // QA histogram + TH1D *fHNCl; // QA histogram + TH1D *fHNClTrack; // QA histogram + TH1D *fHFindCl[4]; // QA histogram + TH1D *fHMinYPos; // QA histogram + TH1D *fHMinYNeg; // QA histogram + TH1D *fHMinZ; // QA histogram + TH2D *fHMinD; // QA histogram + TH1D *fHDeltaX; // QA histogram + TH1D *fHXCl; // QA histogram - AliTRDtrack *RegisterSeed(AliTRDseed *seeds, Double_t *params); - void MakeSeedsMI(Int_t inner, Int_t outer, AliESD *esd=0); + protected: - Int_t FollowBackProlongation(AliTRDtrack& t); - Int_t FollowProlongation(AliTRDtrack& t); - void CookdEdxTimBin(AliTRDtrack& t); - Int_t PropagateToX(AliTRDtrack& t, Double_t xToGo, Double_t maxStep); - Double_t ExpectedSigmaY2(Double_t r, Double_t tgl, Double_t pt) const; - Double_t ExpectedSigmaZ2(Double_t r, Double_t tgl) const; + Int_t FollowProlongation(AliTRDtrack &t); + Int_t PropagateToX(AliTRDtrack &t, Double_t xToGo, Double_t maxStep); + 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 + + TTreeSRedirector *fDebugStreamer; //!Debug streamer + + ClassDef(AliTRDtracker, 4) // TRD tracker + +}; - ClassDef(AliTRDtracker,2) // TRD tracker -}; #endif