RICH/AliRICHChamber.h

   1 #ifndef AliRICHChamber_h
   2 #define AliRICHChamber_h
   3
   4 /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
   5  * See cxx source for full Copyright notice                               */
   6
   7 #include <TRotMatrix.h>
   8 #include <TVector3.h>
   9 #include <TMath.h>
  10 #include <TRotation.h>
  11 #include <TLorentzVector.h>
  12 #include "AliRICHConst.h"
  13
  14 #include "AliRICHTresholdMap.h"
  15 #include "AliSegmentation.h"
  16 #include "AliRICHGeometry.h"
  17 #include "AliRICHResponse.h"
  18
  19 typedef enum {kMip, kPhoton} ResponseType;
  20 class AliRICHParam;
  21
  22 class AliRICHChamber : public TNamed
  23 {
  24 public:
  25
  26    Int_t                fIndexMap[50];   //indeces of tresholds
  27    AliRICHTresholdMap*  fTresh;          //map of tresholds
  28
  29 public:
  30            AliRICHChamber();
  31            AliRICHChamber(Int_t iModuleN,AliRICHParam *pParam);
  32            AliRICHChamber(const AliRICHChamber &chamber):TNamed(chamber) {;}
  33   virtual ~AliRICHChamber()                                              {;}
  34            AliRICHChamber& operator=(const AliRICHChamber&)              {return *this;}
  35
  36   TRotMatrix* RotMatrix()          const{return fpRotMatrix;}
  37   const char* RotMatrixName()      const{return "rot"+fName;}
  38   TRotation   Rot()                     {return fRot;}
  39   Double_t    Rho()                const{return fCenterV3.Mag();}
  40   Double_t    ThetaD()             const{return fCenterV3.Theta()*TMath::RadToDeg();}
  41   Double_t    PhiD()               const{return fCenterV3.Phi()*TMath::RadToDeg();}
  42   Double_t    ThetaXd()            const{return fRot.ThetaX()*TMath::RadToDeg();}
  43   Double_t    PhiXd()              const{return fRot.PhiX()*TMath::RadToDeg();}
  44   Double_t    ThetaYd()            const{return fRot.ThetaY()*TMath::RadToDeg();}
  45   Double_t    PhiYd()              const{return fRot.PhiY()*TMath::RadToDeg();}
  46   Double_t    ThetaZd()            const{return fRot.ThetaZ()*TMath::RadToDeg();}
  47   Double_t    PhiZd()              const{return fRot.PhiZ()*kR2d;}
  48   void        RotateX(Double_t a)       {fRot.RotateX(a);fCenterV3.RotateX(a);}
  49   void        RotateY(Double_t a)       {fRot.RotateY(a);fCenterV3.RotateY(a);}
  50   void        RotateZ(Double_t a)       {fRot.RotateZ(a);fCenterV3.RotateZ(a);}
  51   Double_t    X()                  const{return fCenterV3.X();}
  52   Double_t    Y()                  const{return fCenterV3.Y();}
  53   Double_t    Z()                  const{return fCenterV3.Z();}
  54   TVector3    L2G(TVector3 x3)                       const{x3.Transform(fRot);x3+=fCenterV3;return x3;}
  55   TVector3    G2L(TVector3 x3)                       const{x3-=fCenterV3;x3.Transform(fRot.Inverse()); return x3;}
  56   TVector3    L2G(Double_t x,Double_t y,Double_t z)  const{return L2G(TVector3(x,y,z));}
  57   TVector3    G2L(TLorentzVector x4)                 const{return G2L(x4.Vect());}
  58   Float_t     G2Ly(TLorentzVector x4)                const{TVector3 x3=G2L(x4.Vect()); return x3.Z();}
  59   TVector3    G2L(Double_t x,Double_t y,Double_t z)  const{return G2L(TVector3(x,y,z));}
  60   Float_t     G2Lx(Double_t x,Double_t y,Double_t z) const{TVector3 x3=G2L(x,y,z); return x3.X();}
  61   Float_t     G2Ly(Double_t x,Double_t y,Double_t z) const{TVector3 x3=G2L(x,y,z); return x3.Z();}
  62   TVector3    L2Gvector(TVector3 x3)                 const{x3.Transform(fRot);return x3;}
  63   TVector3    G2Lvector(TVector3 x3)                 const{x3.Transform(fRot.Inverse()); return x3;}
  64 //  TLorentzVector L2G(TLorentzVector v4)  const{v4.Transform(fRot.Inverse());v4+=fCenterV3;return v4;}???
  65   void        Print(Option_t *sOption)const;//virtual
  66
  67   void LocaltoGlobal(Float_t pos[3],Float_t Localpos[3]);//Transformation from local to global coordinates, chamber-dependant
  68   void GlobaltoLocal(Float_t pos[3],Float_t localpos[3]);//Transformation from Global to local coordinates, chamber-dependant
  69   void GenerateTresholds();                              //Generate pad dependent tresholds
  70   void DisIntegration(Float_t eloss, Float_t xhit, Float_t yhit, Int_t&x, Float_t newclust[6][500], ResponseType res);// Cluster formation method
  71   void    Init(Int_t id)           {fSegmentation->Init(id);} // Recalculates all the values after some of them have been changed
  72   void              SetGeometryModel(AliRICHGeometry* pRICHGeometry)            {fGeometry=pRICHGeometry;}
  73   AliRICHGeometry*  GetGeometryModel()                                     const{return fGeometry;}
  74   void              SetResponseModel(AliRICHResponse* pRICHResponse)            {fResponse=pRICHResponse;}
  75   AliRICHResponse*  GetResponseModel()                                     const{return fResponse;}
  76   void              SetSegmentationModel(AliSegmentation* pRICHSegmentation)    {fSegmentation=pRICHSegmentation;}
  77   AliSegmentation*  GetSegmentationModel()                                 const{return fSegmentation;}
  78   void   SigGenInit(Float_t x, Float_t y, Float_t z)   {fSegmentation->SigGenInit(x, y, z) ;}
  79   Int_t  SigGenCond(Float_t x, Float_t y, Float_t z)   {return fSegmentation->SigGenCond(x, y, z);}
  80   Int_t  Sector(Float_t x, Float_t y)                  {return fSegmentation->Sector((Int_t)x, (Int_t)y);} // Returns number of sector containing (x,y) position
  81   void   SetPadSize(Float_t p1, Float_t p2)            {fSegmentation->SetPadSize(p1,p2);}
  82   Double_t    GetX()               const{return fX;}
  83   Double_t    GetY()               const{return fY;}
  84   Double_t    GetZ()               const{return fZ;}
  85   inline void SetCenter(Double_t x,Double_t y,Double_t z);
  86   TRotMatrix *GetRotMatrix()       const{return fpRotMatrix;}
  87   void        SetChamberTransform(Float_t x,Float_t y,Float_t z,TRotMatrix *pRotMatrix);
  88
  89 protected:
  90   Float_t fX,fY,fZ;                                      // Position of the center of the chamber in MRS (cm)
  91
  92   AliSegmentation               *fSegmentation;          //???Segmentation model for each chamber
  93   AliRICHResponse               *fResponse;              //???Response model for each chamber
  94   AliRICHGeometry               *fGeometry;              //???Geometry model for each chamber
  95
  96   TVector3      fCenterV3;        //chamber center position in MRS (cm)
  97   TRotation     fRot;             //chamber rotation in MRS
  98   TRotMatrix   *fpRotMatrix;      //rotation matrix of the chamber with respect to MRS
  99   AliRICHParam *fpParam;          //main RICH parameters description
 100   ClassDef(AliRICHChamber,2)      //single RICH chamber description
 101 };//class AliRICHChamber
 102
 103 void AliRICHChamber::SetCenter(Double_t x,Double_t y,Double_t z)
 104 {
 105   fCenterV3.SetXYZ(x,y,z);
 106   fX=x;fY=y;fZ=z;
 107 }
 108
 109 #endif //AliRICHChamber_h