* See cxx source for full Copyright notice */
/* $Id$ */
-// Revision of includes 07/05/2004
-#include "AliMUONClusterFinderVS.h"
+/// \ingroup rec
+/// \class AliMUONClusterFinderAZ
+/// \brief Cluster finder in MUON arm of ALICE
+///
+/// \author Alexander Zinchenko, JINR Dubna
-class TH2F;
class TH2D;
class TClonesArray;
class TMinuit;
-class TMatrixD;
-class AliSegmentation;
-class AliMUONResponse;
+class AliMUONVGeometryDESegmentation;
class AliMUONPixel;
+class AliMUONClusterDrawAZ;
+#include "AliMUONClusterFinderVS.h"
+#include "TMatrixDfwd.h"
class AliMUONClusterFinderAZ : public AliMUONClusterFinderVS
{
public:
- AliMUONClusterFinderAZ(Bool_t draw = 0, Int_t iReco = 1);// Constructor
+ 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
+ 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() { 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
protected:
AliMUONClusterFinderAZ(const AliMUONClusterFinderAZ& rhs);
// 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
static AliMUONClusterFinderAZ* fgClusterFinder; // the ClusterFinderAZ instance
- 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
+ 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
- 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
+ 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
- //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)
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
+ 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(Int_t *localMax, Double_t *maxVal); // find local maxima
+ 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)
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;}