/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
* See cxx source for full Copyright notice */
-#include <TROOT.h>
+/* $Id$ */
+// Revision of includes 07/05/2004
+
+/// \ingroup rec
+/// \class AliMUONClusterFinderAZ
+/// \brief Cluster finder in MUON arm of ALICE
+
+#include "AliMUONClusterFinderVS.h"
+
class TH2F;
class TH2D;
class TClonesArray;
-class AliSegmentation;
-class AliMUONResponse;
class TMinuit;
class TMatrixD;
+
+class AliSegmentation;
+class AliMUONResponse;
class AliMUONPixel;
-#include "AliMUONClusterFinderVS.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 AliMUONClusterFinderVS
+{
+public:
+ AliMUONClusterFinderAZ(Bool_t draw = 0, Int_t iReco = 1);// Constructor
+ virtual ~AliMUONClusterFinderAZ(); // Destructor
-//class AliMUONClusterFinderAZ : public TObject {
-class AliMUONClusterFinderAZ : public AliMUONClusterFinderVS {
+ 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) const; // test if track was selected
+
+protected:
+ AliMUONClusterFinderAZ(const AliMUONClusterFinderAZ& rhs);
+ AliMUONClusterFinderAZ& operator=(const AliMUONClusterFinderAZ& rhs);
- public:
+ private:
+ // Some constants
+ static const Int_t fgkDim = 10000; // array size
+ static const Double_t fgkCouplMin; // threshold on coupling
- AliMUONClusterFinderAZ(Bool_t draw, Int_t iReco);// Constructor
- virtual ~AliMUONClusterFinderAZ(); // Destructor
+ static AliMUONClusterFinderAZ* fgClusterFinder; // the ClusterFinderAZ instance
- 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
-
- protected:
+ Int_t fnPads[2]; // ! number of pads in the cluster on 2 cathodes
+ Float_t fXyq[7][fgkDim]; // ! pad information
+ Int_t fPadIJ[2][fgkDim]; // ! pad information
+ //AZ AliSegmentation *fSegmentation[2]; // ! old segmentation
+ AliMUONGeometrySegmentation *fSegmentation[2]; // ! new 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 of reconstructed clusters
- private:
-
- static TMinuit* fgMinuit; // ! Fitter
- Bool_t fUsed[2][kDim]; // ! flags for used pads
- TH2F *fHist[4]; // ! histograms
+ static TMinuit* fgMinuit; // ! Fitter
+ Bool_t fUsed[2][fgkDim]; // ! 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
+ 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 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
+ void ModifyHistos(void); // modify histograms
+ void AddPad(Int_t cath, Int_t digit); // add a pad to the cluster
+ //AZ 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
+ 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
+ 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 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(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 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);
+ void DrawCluster(Int_t nev0, Int_t ch0); // draw precluster
+ Int_t Next(Int_t &nev0, Int_t &ch0); // commands for drawing
+
+ // 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
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