//////////////////////////////////////////////////////////////////////////
-#include <TTask.h> //base class
+#include <TNamed.h> //base class
#include <TVector3.h> //fields
class TClonesArray; //CkovAngle()
class AliESDtrack; //CkovAngle()
+class AliHMPIDParam;//general pourpose
-class AliHMPIDRecon : public TTask
+class AliHMPIDRecon : public TNamed
{
public :
AliHMPIDRecon();
- virtual ~AliHMPIDRecon() {}
+ virtual ~AliHMPIDRecon() {;} //dtor
-
- void CkovAngle (AliESDtrack *pTrk,TClonesArray *pCluLst,Double_t nmean ); //reconstructed Theta Cerenkov
- Double_t FindPhotCkov (Double_t cluX,Double_t cluY ); //find ckov angle for single photon candidate
- Double_t FindPhotPhi (Double_t cluX,Double_t cluY ); //find phi angle for single photon candidate
+ void InitVars (Int_t n); //init space for variables
+ void DeleteVars ()const; //delete variables
+ void CkovAngle (AliESDtrack *pTrk,TClonesArray *pCluLst,Int_t index,Double_t nmean,Float_t xRa,Float_t yRa );//reconstructed Theta Cerenkov
+ Bool_t FindPhotCkov (Double_t cluX,Double_t cluY,Double_t &thetaCer,Double_t &phiCer ); //find ckov angle for single photon candidate
Double_t FindRingCkov (Int_t iNclus ); //best ckov for ring formed by found photon candidates
- Double_t FindRingArea (Double_t ckov )const;//estimated area of ring in cm^2
- Int_t FlagPhot (Double_t ckov ); //is photon ckov near most probable track ckov
+ void FindRingGeom (Double_t ckovAng,Int_t level=1 ); //estimated area of ring in cm^2 and portion accepted by geometry
+ TVector2 IntWithEdge (TVector2 p1,TVector2 p2 )const;//find intercection between plane and lines of 2 thetaC
+ Int_t FlagPhot (Double_t ckov,TClonesArray *pCluLst,AliESDtrack *pTrk ); //is photon ckov near most probable track ckov
Double_t HoughResponse( ); //most probable track ckov angle
- void Propagate (const TVector3 &dir, TVector3 &pos,Double_t z )const;//propagate photon alogn the line
+ void Propagate (const TVector3 dir, TVector3 &pos,Double_t z )const;//propagate photon alogn the line
void Refract ( TVector3 &dir, Double_t n1, Double_t n2)const;//refract photon on the boundary
- Double_t TracePhot (Double_t ckovTh,Double_t ckovPh,TVector2 &pos )const;//trace photon created by track to PC
- void SetTrack (Double_t x,Double_t y,Double_t theta,Double_t phi ){fTrkDir.SetMagThetaPhi(1,theta,phi); fTrkPos.Set(x,y);}//set track
- Double_t SigLoc (Double_t ckovTh,Double_t ckovPh,Double_t beta )const;//error due to cathode segmetation
- Double_t SigGeom (Double_t ckovTh,Double_t ckovPh,Double_t beta )const;//error due to unknown photon origin
- Double_t SigCrom (Double_t ckovTh,Double_t ckovPh,Double_t beta )const;//error due to unknonw photon energy
- Double_t Sigma2 (Double_t ckovTh,Double_t ckovPh )const;//photon candidate sigma
- enum ETrackingFlags {kMipDistCut=-9,kMipQdcCut=-5,kNoPhotAccept=-11};
+ TVector2 TracePhot (Double_t ckovTh,Double_t ckovPh )const;//trace photon created by track to PC
+ void AddObjectToFriends(TClonesArray *pCluLst, Int_t photonIndex, AliESDtrack *pTrk ); // Add AliHMPIDCluster object to ESD friends
+ TVector2 TraceForward (TVector3 dirCkov )const;//tracing forward a photon from (x,y) to PC
+ void Lors2Trs (TVector3 dirCkov,Double_t &thetaCer,Double_t &phiCer )const;//LORS to TRS
+ void Trs2Lors (TVector3 dirCkov,Double_t &thetaCer,Double_t &phiCer )const;//TRS to LORS
+ TVector2 GetMip ( )const
+ {return fMipPos;} //mip coordinates
+ Double_t GetRingArea ( )const
+ {return fRingArea;} //area of the current ring in cm^2
+ Double_t GetRingAcc ( )const
+ {return fRingAcc;} //portion of the ring ([0,1]) accepted by geometry.To scale n. of photons
+ Double_t FindRingExt (Double_t ckov,Int_t ch,Double_t xPc,Double_t yPc,Double_t thRa,Double_t phRa);//find ring acceptance by external parameters
+ void SetTrack (Double_t xRad,Double_t yRad,Double_t theta,Double_t phi )
+ {fTrkDir.SetMagThetaPhi(1,theta,phi); fTrkPos.Set(xRad,yRad);} //set track parameter at RAD
+ void SetImpPC (Double_t xPc,Double_t yPc )
+ {fPc.Set(xPc,yPc);} //set track impact to PC
+ void SetMip (Double_t xmip,Double_t ymip )
+ {fMipPos.Set(xmip,ymip);} //set track impact to PC
+ enum ETrackingFlags {kNotPerformed=-20,kMipDistCut=-9,kMipQdcCut=-5,kNoPhotAccept=-11,kNoRad = -22};
+//
protected:
- static const Double_t fgkRadThick; //radiator thickness
- static const Double_t fgkWinThick; //window thickness
- static const Double_t fgkGapThick; //proximity gap thickness
- static const Double_t fgkWinIdx; //mean refractive index of WIN material (SiO2)
- static const Double_t fgkGapIdx; //mean refractive index of GAP material (CH4)
- Double_t fRadNmean; //C6F14 mean refractive index
- Int_t fPhotCnt; // counter of photons candidate
- Int_t fPhotFlag[3000]; // flags of photon candidates
- Double_t fPhotCkov[3000]; // Ckov angles of photon candidates, [rad]
- Double_t fPhotPhi [3000]; // phis of photons candidates, [rad]
- Double_t fPhotWei [3000]; // weigths of photon candidates
- Double_t fCkovSigma2; // sigma2 of the reconstructed ring
+ Int_t fPhotCnt; // counter of photons candidate
+ Int_t *fPhotFlag; // flags of photon candidates
+ Int_t *fPhotClusIndex; // cluster index of photon candidates
+ Double_t *fPhotCkov; // Ckov angles of photon candidates, [rad]
+ Double_t *fPhotPhi; // phis of photons candidates, [rad]
+ Double_t *fPhotWei; // weigths of photon candidates
+ Double_t fCkovSigma2; // sigma2 of the reconstructed ring
- Bool_t fIsWEIGHT; // flag to consider weight procedure
- Float_t fDTheta; // Step for sliding window
- Float_t fWindowWidth; // Hough width of sliding window
+ Bool_t fIsWEIGHT; // flag to consider weight procedure
+ Float_t fDTheta; // Step for sliding window
+ Float_t fWindowWidth; // Hough width of sliding window
+
+ Double_t fRingArea; // area of a given ring
+ Double_t fRingAcc; // fraction of the ring accepted by geometry
+ TVector3 fTrkDir; // track direction in LORS at RAD
+ TVector2 fTrkPos; // track positon in LORS at RAD
+ TVector2 fMipPos; // mip positon for a given track
+ TVector2 fPc; // track position at PC
+
+ AliHMPIDParam *fParam; // Pointer to AliHMPIDParam
- TVector3 fTrkDir; //track direction in LORS
- TVector2 fTrkPos; //track positon in LORS at the middle of radiator
- ClassDef(AliHMPIDRecon,0)
+private:
+ AliHMPIDRecon(const AliHMPIDRecon& r); //dummy copy constructor
+ AliHMPIDRecon &operator=(const AliHMPIDRecon& r); //dummy assignment operator
+//
+ ClassDef(AliHMPIDRecon,3)
};
#endif // #ifdef AliHMPIDRecon_cxx
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff