#ifndef AliHMPIDReconHTA_h #define AliHMPIDReconHTA_h /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * * See cxx source for full Copyright notice */ ////////////////////////////////////////////////////////////////////////// // // // AliHMPIDReconHTA // // // // HMPID class to perfom pattern recognition based on Hough transfrom // // // ////////////////////////////////////////////////////////////////////////// #include //base class class TClonesArray; //CkovAngle() class AliESDtrack; //CkovAngle() class TH2I; //InitDatabase() class AliHMPIDParam;//General pourpose class AliHMPIDReconHTA : public TTask { public : AliHMPIDReconHTA(); virtual ~AliHMPIDReconHTA(); // HTA hidden track algorithm void InitVars (Int_t n); //init space for variables void DeleteVars ()const; //delete variables void InitDatabase (); //initialization of database TH2I* DBHTA () {return fgDatabase;} //pointer for HTA database of rings void FillZeroChan (TH2I *deconv)const; //complete the DB Bool_t CkovHiddenTrk (AliESDtrack *pTrk,TClonesArray *pCluLst,Double_t nmean,Double_t qthre);//Pattern recognition without trackinf information Bool_t CluPreFilter (TClonesArray *pClu ); //Pre clustering filter to cut bkg clusters Bool_t DoRecHiddenTrk ( ); //Calling to the fitted procedures Bool_t FindShape (Double_t &thTrkRec,Double_t &phiTrkRec,Double_t &thetaCRec); //Find shape of the ring Bool_t ShapeModel (Int_t np,Double_t *phiphot,Double_t *dist,Double_t &xA,Double_t &xB,Double_t &phiStart);//initial shape model for the cluster candidates Double_t VertParab (Double_t x1,Double_t y1,Double_t x2, Double_t y2, Double_t x3, Double_t y3)const;//calculate the coord. of the min. for a parabole for 3 points Bool_t FitFree (Double_t thTrkRec,Double_t phiTrkRec); //Fit (th,ph) of the track and ckovFit as result void SetNClu (Int_t nclu ) {fNClu=nclu;} //Setter for # of clusters void SetClCk (Int_t i,Bool_t what ) {fClCk[i]=what;} //Setter for cluster flags void SetCkovFit (Double_t ckov ) {fCkovFit=ckov;} //Setter for ckov fitted void SetCkovSig2 (Double_t rms ) {fCkovSig2=rms;} //Setter for sigma2 ckov fitted void SetTrkFit (Double_t th,Double_t ph ) {fThTrkFit = th;fPhTrkFit = ph;}//Setter for (th,ph) of the track void SetRadXY (Double_t x,Double_t y ) {fRadX = x;fRadY = y;} //Setter for (th,ph) of the track static void FunMinPhot(Int_t&/* */,Double_t* /* */,Double_t &f,Double_t *par,Int_t iflag); //Fit function to minimize thetaCer RMS/Sqrt(n) of n clusters Int_t IdxMip ()const {return fIdxMip;} //Getter index of MIP Double_t MipX ()const {return fMipX;} //Getter of x MIP in LORS Double_t MipY ()const {return fMipY;} //Getter of y MIP in LORS Double_t MipQ ()const {return fMipQ;} //Getter of Q MIP Double_t RadX ()const {return fRadX;} //Getter of x at RAD in LORS Double_t RadY ()const {return fRadY;} //Getter of y at RAD in LORS Int_t NClu ()const {return fNClu;} //Getter of cluster multiplicity Double_t XClu (Int_t i)const {return fXClu[i];} //Getter of x clu Double_t YClu (Int_t i)const {return fYClu[i];} //Getter of y clu Bool_t ClCk (Int_t i)const {return fClCk[i];} //Getter of cluster flags Double_t CkovFit ()const {return fCkovFit;} //Getter of ckov angle fitted Double_t ThTrkFit ()const {return fThTrkFit;} //Getter of theta fitted of the track Double_t PhTrkFit ()const {return fPhTrkFit;} //Getter of phi fitted of the track // protected: // Double_t fMipX; //mip X position for Hidden Track Algorithm Double_t fMipY; //mip Y position for Hidden Track Algorithm Double_t fMipQ; //mip Q for Hidden Track Algorithm Double_t fRadX; //rad X position for Hidden Track Algorithm Double_t fRadY; //rad Y position for Hidden Track Algorithm Int_t fIdxMip; //mip index in the clus list Int_t fNClu; //n clusters to fit Double_t *fXClu; //container for x clus position Double_t *fYClu; //container for y clus position Bool_t *fClCk; //flag if cluster is used in fitting Double_t fThTrkFit; //theta fitted of the track Double_t fPhTrkFit; //phi fitted of the track Double_t fCkovFit; //estimated ring Cherenkov angle Double_t fCkovSig2; //estimated error^2 on ring Cherenkov angle AliHMPIDParam *fParam; //Pointer to AliHMPIDParam static TH2I* fgDatabase; //database for ring shapes // private: AliHMPIDReconHTA(const AliHMPIDReconHTA& r); //dummy copy constructor AliHMPIDReconHTA &operator=(const AliHMPIDReconHTA& r); //dummy assignment operator // ClassDef(AliHMPIDReconHTA,0) }; #endif // #ifdef AliHMPIDReconHTA_cxx