X-Git-Url: http://git.uio.no/git/?a=blobdiff_plain;f=MUON%2FAliMUONClusterFinderAZ.h;h=019ccf7a0ae47ea97acce2d4926b085f84751819;hb=1508d0f772d2dd3c8dc9478cae38171e7fe40ae5;hp=a4c5dd60f245955d365f3a843fa242b6ad648904;hpb=0df3ca529c5261b51adecdf7fe8a43bd334c5f2e;p=u%2Fmrichter%2FAliRoot.git diff --git a/MUON/AliMUONClusterFinderAZ.h b/MUON/AliMUONClusterFinderAZ.h index a4c5dd60f24..019ccf7a0ae 100644 --- a/MUON/AliMUONClusterFinderAZ.h +++ b/MUON/AliMUONClusterFinderAZ.h @@ -3,84 +3,117 @@ /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * * See cxx source for full Copyright notice */ -#include -class TH2F; +/* $Id$ */ + +/// \ingroup rec +/// \class AliMUONClusterFinderAZ +/// \brief Cluster finder in MUON arm of ALICE +/// +/// \author Alexander Zinchenko, JINR Dubna + class TH2D; class TClonesArray; -class AliSegmentation; -class AliMUONResponse; class TMinuit; -class TMatrixD; + +class AliMUONVGeometryDESegmentation; class AliMUONPixel; +class AliMUONClusterDrawAZ; #include "AliMUONClusterFinderVS.h" +#include "TMatrixDfwd.h" -// Some constants - static const Int_t kDim = 2000; // array size - static const Double_t kCouplMin = 1.e-3; // threshold on coupling - -//class AliMUONClusterFinderAZ : public TObject { -class AliMUONClusterFinderAZ : public AliMUONClusterFinderVS { - - public: - - AliMUONClusterFinderAZ(Bool_t draw, Int_t iReco);// Constructor +class AliMUONClusterFinderAZ : public AliMUONClusterFinderVS +{ +public: + AliMUONClusterFinderAZ(Bool_t draw = 0); // Constructor virtual ~AliMUONClusterFinderAZ(); // Destructor - void FindRawClusters(); // the same interface as for old cluster finder - void EventLoop(Int_t nev, Int_t ch); // first event - Bool_t TestTrack(Int_t t); // test if track was selected - static AliMUONClusterFinderAZ* fgClusterFinder; - Int_t fnPads[2]; // ! number of pads in the cluster on 2 cathodes - Float_t fXyq[6][kDim]; // ! pad information - Int_t fPadIJ[2][kDim]; // ! pad information - AliSegmentation *fSegmentation[2]; // ! segmentation - AliMUONResponse *fResponse; // ! response - Float_t fZpad; // ! z-coordinate of the hit - Int_t fNpar; // ! number of fit parameters - Double_t fQtot; // ! total cluster charge - Int_t fReco; // ! =1 if run reco with writing to TreeR + void FindRawClusters(); // the same interface as for old cluster finder + void EventLoop(Int_t nev = 0, Int_t ch = 0); // first event + Bool_t TestTrack(Int_t t) const; // test if track was selected + Int_t GetNPads(Int_t cath) const { return fnPads[cath]; } + Int_t GetIJ(Int_t indx, Int_t iPad) const { return fPadIJ[indx][iPad]; } + Float_t GetXyq(Int_t indx, Int_t iPad) const { return fXyq[indx][iPad]; } + Float_t GetZpad() const { return fZpad; } + Bool_t GetUsed(Int_t cath, Int_t dig) const { return fUsed[cath][dig]; } + void SetUsed(Int_t cath, Int_t dig) { fUsed[cath][dig] = kTRUE; } // mark used digits + void SetUnused(Int_t cath, Int_t dig) { fUsed[cath][dig] = kFALSE; } // unmark digits + void SetReco(Int_t iReco) { fReco = iReco; } // set reco flag + void SetStart(Int_t iCath, Int_t iPad) { fCathBeg = iCath; fPadBeg[0] = fPadBeg[1] = 0; fPadBeg[fCathBeg] = iPad; } // start + +private: + // Some constants + static const Int_t fgkDim = 10000; ///< array size + static const Double_t fgkCouplMin; ///< threshold on coupling + static const Double_t fgkZeroSuppression; ///< average zero suppression value + static const Double_t fgkSaturation; ///< average saturation level - protected: + static AliMUONClusterFinderAZ* fgClusterFinder; ///< the ClusterFinderAZ instance - private: - - static TMinuit* fgMinuit; // ! Fitter - Bool_t fUsed[2][kDim]; // ! flags for used pads - TH2F *fHist[4]; // ! histograms - TClonesArray *fMuonDigits; // ! pointer to digits - Bool_t fDraw; // ! draw flag - Int_t fnMu; // number of muons passing thru the selected area - Double_t fxyMu[2][7]; // ! muon information - TObjArray *fPixArray; // collection of pixels + Int_t fnPads[2]; //!< number of pads in the cluster on 2 cathodes + Float_t fXyq[7][fgkDim]; //!< pad information + Int_t fPadIJ[4][fgkDim]; //!< pad information + AliMUONVGeometryDESegmentation *fSegmentation[2]; //!< new segmentation + Float_t fZpad; //!< z-coordinate of the hit + Int_t fNpar; //!< number of fit parameters + Double_t fQtot; //!< total cluster charge + Int_t fReco; //!< !=0 if run reco with writing of reconstructed clusters + Int_t fCathBeg; //!< starting cathode (for combined cluster / track reco) + Int_t fPadBeg[2]; //!< starting pads (for combined cluster / track reco) + + static TMinuit* fgMinuit; //!< Fitter + Bool_t fUsed[2][fgkDim]; //!< flags for used pads + AliMUONClusterDrawAZ *fDraw; //!< drawing object + TObjArray* fPixArray; //!< collection of pixels + Int_t fnCoupled; //!< number of coupled clusters in precluster + Int_t fDebug; //!< debug level // Functions - void ModifyHistos(void); // modify histograms - void AddPad(Int_t cath, Int_t digit); // add a pad to the cluster - Bool_t Overlap(Int_t cath, TObject *dig); // check if the pad from one cathode overlaps with a pad in the cluster on the other cathode + AliMUONClusterFinderAZ(const AliMUONClusterFinderAZ& rhs); + AliMUONClusterFinderAZ& operator=(const AliMUONClusterFinderAZ& rhs); + void AddPad(Int_t cath, Int_t digit); // add a pad to the cluster + Bool_t Overlap(Int_t cath, AliMUONDigit *dig); // check if the pad from one cathode overlaps with a pad in the cluster on the other cathode Bool_t Overlap(Float_t *xy1, Int_t iPad, Float_t *xy12, Int_t iSkip); // check if pads xy1 and iPad overlap and return overlap area Bool_t CheckPrecluster(Int_t *nShown); // check precluster to simplify it (if possible) - void BuildPixArray(); // build array of pixels - void AjustPixel(Float_t width, Int_t ixy); // ajust size of small pixels - void AjustPixel(Float_t wxmin, Float_t wymin); // ajust size of large pixels - Bool_t MainLoop(); // repeat MLEM algorithm until pixels become sufficiently small - void Mlem(Double_t *coef, Double_t *probi); // use MLEM for cluster finding - void FindCOG(TH2D *mlem, Double_t *xyc); // find COG position around maximum bin - Int_t FindNearest(AliMUONPixel *pixPtr0); // find nearest neighbouring pixel to the given one - void Split(TH2D *mlem, Double_t *coef); // steering function for pixels - void AddBin(TH2D *mlem, Int_t ic, Int_t jc, Int_t mode, Bool_t* used, TObjArray *pix); // add a bin to the cluster + void BuildPixArray(); // build array of pixels + void AdjustPixel(Float_t width, Int_t ixy); // adjust size of small pixels + void AdjustPixel(Float_t wxmin, Float_t wymin); // adjust size of large pixels + Bool_t MainLoop(Int_t iSimple); // repeat MLEM algorithm until pixels become sufficiently small + void Mlem(Double_t *coef, Double_t *probi, Int_t nIter); // use MLEM for cluster finding + void FindCOG(TH2D *mlem, Double_t *xyc); // find COG position around maximum bin + Int_t FindNearest(AliMUONPixel *pixPtr0); // find nearest neighbouring pixel to the given one + void Split(TH2D *mlem, Double_t *coef); // steering function for pixels + void AddBin(TH2D *mlem, Int_t ic, Int_t jc, Int_t mode, Bool_t* used, TObjArray *pix); // add a bin to the cluster TObject* BinToPix(TH2D *mlem, Int_t jc, Int_t ic); // hist. bin-to-pixel - void AddCluster(Int_t ic, Int_t nclust, TMatrixD *aij_clu_clu, Bool_t *used, Int_t *clustNumb, Int_t &nCoupled); // add a cluster to the group of coupled clusters - Double_t MinGroupCoupl(Int_t nCoupled, Int_t *clustNumb, TMatrixD *aij_clu_clu, Int_t *minGroup); // find group of cluster with min. coupling to others - Int_t SelectPad(Int_t nCoupled, Int_t nForFit, Int_t *clustNumb, Int_t *clustFit, TMatrixD *aij_clu_clu); //select pads for fit - void Merge(Int_t nForFit, Int_t nCoupled, Int_t *clustNumb, Int_t *clustFit, TObjArray **clusters, TMatrixD *aij_clu_clu, TMatrixD *aij_clu_pad); // merge clusters - Int_t Fit(Int_t nfit, Int_t *clustFit, TObjArray **clusters, Double_t *parOk); // do the fitting - void UpdatePads(Int_t nfit, Double_t *par); // subtract fitted charges from pads - void AddRawCluster(Double_t x, Double_t y, Double_t fmin); // add new raw cluster - Int_t FindLocalMaxima(Int_t *localMax, Double_t *maxVal); // find local maxima - void FlagLocalMax(TH2D *hist, Int_t i, Int_t j, Int_t *isLocalMax); // flag local max - void FindCluster(Int_t *localMax, Int_t iMax); // find cluster around local max + void AddCluster(Int_t ic, Int_t nclust, TMatrixD *aijcluclu, Bool_t *used, Int_t *clustNumb, Int_t &nCoupled); // add a cluster to the group of coupled clusters + Double_t MinGroupCoupl(Int_t nCoupled, Int_t *clustNumb, TMatrixD *aijcluclu, Int_t *minGroup); // find group of cluster with min. coupling to others + Int_t SelectPad(Int_t nCoupled, Int_t nForFit, Int_t *clustNumb, Int_t *clustFit, TMatrixD *aijcluclu); //select pads for fit + void Merge(Int_t nForFit, Int_t nCoupled, Int_t *clustNumb, Int_t *clustFit, TObjArray **clusters, TMatrixD *aijcluclu, TMatrixD *aijclupad); // merge clusters + Int_t Fit(Int_t iSimple, Int_t nfit, Int_t *clustFit, TObjArray **clusters, Double_t *parOk); // do the fitting + void UpdatePads(Int_t nfit, Double_t *par); // subtract fitted charges from pads + void AddRawCluster(Double_t x, Double_t y, Double_t qTot, Double_t fmin, Int_t nfit, Int_t *tracks, Double_t sigx, Double_t sigy, Double_t dist); // add new reconstructed cluster + Int_t FindLocalMaxima(TObjArray *pixArray, Int_t *localMax, Double_t *maxVal); // find local maxima + void FlagLocalMax(TH2D *hist, Int_t i, Int_t j, Int_t *isLocalMax); // flag local max + void FindCluster(Int_t *localMax, Int_t iMax); // find cluster around local max + void AddVirtualPad(); // add virtual pads for some clusters (if necessary) + void PadsInXandY(Int_t &nInX, Int_t &nInY); // get number of pads in X and Y + // This function is used for fitting + void Fcn1(Int_t &npar, Double_t *gin, Double_t &f, Double_t *par, Int_t iflag); + void Simple(); // process simple cluster + + void Errors(AliMUONRawCluster *clus); // correct coordinates and eval. errors + void Errors(Int_t ny, Int_t nx, Int_t iby, Int_t ibx, Double_t fmin, + Double_t wy, Double_t wx, Int_t iover, + Double_t dyc, Double_t dxc, Double_t qtot, + Double_t &yrec, Double_t &xrec, Double_t &erry, Double_t &errx); + + // Dummy methods for overloading warnings + void FindCluster(int, int, int, AliMUONRawCluster&) {return;} + void FindLocalMaxima(AliMUONRawCluster*) {return;} + void Split(AliMUONRawCluster*) {return;} + void AddRawCluster(AliMUONRawCluster&) {return;} + +ClassDef(AliMUONClusterFinderAZ,0) // cluster finder in MUON arm of ALICE +}; - ClassDef(AliMUONClusterFinderAZ,0) // cluster finder in MUON arm of ALICE - }; #endif