#include <TRotation.h>
#include <TLorentzVector.h>
#include "AliRICHParam.h"
-#include "AliSegmentation.h"
-class AliRICHGeometry;
-class AliRICHResponse;
class TRotMatrix;
-typedef enum {kMip, kPhoton} ResponseType;
-class AliRICHParam;
class AliRICHChamber : public TNamed
{
public:
- AliRICHChamber();
- AliRICHChamber(Int_t iModuleN,AliRICHParam *pParam);
+ AliRICHChamber():TNamed(),fpRotMatrix(0) {;}
+ AliRICHChamber(Int_t iChamberN);
AliRICHChamber(const AliRICHChamber &chamber):TNamed(chamber) {;}
virtual ~AliRICHChamber() {;}
AliRICHChamber& operator=(const AliRICHChamber&) {return *this;}
-
+
+ static Double_t AlphaFeedback(Int_t ) {return 0.02;} //determines number of feedback photons updated to 9/11/04 by Di Mauro
+
TRotMatrix* RotMatrix() const{return fpRotMatrix;}
- const char* RotMatrixName() const{return "rot"+fName;}
+ TString RotMatrixName() const{return "rot"+fName;}
TRotation Rot() const{return fRot;}
- Double_t Rho() const{return fCenterV3.Mag();}
- Double_t ThetaD() const{return fCenterV3.Theta()*TMath::RadToDeg();}
- Double_t PhiD() const{return fCenterV3.Phi()*TMath::RadToDeg();}
- Double_t ThetaXd() const{return fRot.ThetaX()*TMath::RadToDeg();}
- Double_t PhiXd() const{return fRot.PhiX()*TMath::RadToDeg();}
- Double_t ThetaYd() const{return fRot.ThetaY()*TMath::RadToDeg();}
- Double_t PhiYd() const{return fRot.PhiY()*TMath::RadToDeg();}
- Double_t ThetaZd() const{return fRot.ThetaZ()*TMath::RadToDeg();}
- Double_t PhiZd() const{return fRot.PhiZ()*TMath::RadToDeg();}
- void RotateX(Double_t a) {fRot.RotateX(a);fCenterV3.RotateX(a);fPcX3.RotateX(a);}
- void RotateY(Double_t a) {fRot.RotateY(a);fCenterV3.RotateY(a);fPcX3.RotateY(a);}
- void RotateZ(Double_t a) {fRot.RotateZ(a);fCenterV3.RotateZ(a);fPcX3.RotateZ(a);}
- Double_t X() const{return fCenterV3.X();}
- Double_t Y() const{return fCenterV3.Y();}
- Double_t Z() const{return fCenterV3.Z();}
- TVector3 L2G(TVector3 x3) const{x3.Transform(fRot);x3+=fCenterV3;return x3;}
- TVector3 G2L(TVector3 x3) const{x3-=fCenterV3;x3.Transform(fRot.Inverse()); return x3;}
- inline TVector3 Glob2Loc(TVector3 x3, Bool_t isVector=kFALSE) const;
- TVector3 Glob2Loc(TLorentzVector x4,Bool_t isVector=kFALSE) const{return Glob2Loc(x4.Vect(),isVector);}
- TVector3 L2G(Double_t x,Double_t y,Double_t z) const{return L2G(TVector3(x,y,z));}
- TVector3 G2L(TLorentzVector x4) const{return G2L(x4.Vect());}
- Float_t G2Ly(TLorentzVector x4) const{TVector3 x3=G2L(x4.Vect()); return x3.Z();}
- TVector3 G2L(Double_t x,Double_t y,Double_t z) const{return G2L(TVector3(x,y,z));}
- Float_t G2Lx(Double_t x,Double_t y,Double_t z) const{TVector3 x3=G2L(x,y,z); return x3.X();}
- Float_t G2Ly(Double_t x,Double_t y,Double_t z) const{TVector3 x3=G2L(x,y,z); return x3.Z();}
- void Print(Option_t *sOption)const;//virtual
-
- void LocaltoGlobal(Float_t pos[3],Float_t Localpos[3]);//Transformation from local to global coordinates, chamber-dependant
- void GlobaltoLocal(Float_t pos[3],Float_t localpos[3]);//Transformation from Global to local coordinates, chamber-dependant
- void DisIntegration(Float_t eloss, Float_t xhit, Float_t yhit, Int_t&x, Float_t newclust[6][500], ResponseType res);// Cluster formation method
- void Init(Int_t id) {fSegmentation->Init(id);} // Recalculates all the values after some of them have been changed
- void SetGeometryModel(AliRICHGeometry* pRICHGeometry) {fGeometry=pRICHGeometry;}
- AliRICHGeometry* GetGeometryModel() const{return fGeometry;}
- void SetResponseModel(AliRICHResponse* pRICHResponse) {fResponse=pRICHResponse;}
- AliRICHResponse* GetResponseModel() const{return fResponse;}
- void SetSegmentationModel(AliSegmentation* pRICHSegmentation) {fSegmentation=pRICHSegmentation;}
- AliSegmentation* GetSegmentationModel() const{return fSegmentation;}
- void SigGenInit(Float_t x, Float_t y, Float_t z) {fSegmentation->SigGenInit(x, y, z) ;}
- Int_t SigGenCond(Float_t x, Float_t y, Float_t z) {return fSegmentation->SigGenCond(x, y, z);}
- 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
- void SetPadSize(Float_t p1, Float_t p2) {fSegmentation->SetPadSize(p1,p2);}
- Double_t GetX() const{return fX;}
- Double_t GetY() const{return fY;}
- Double_t GetZ() const{return fZ;}
- inline void SetToZenith();
- TRotMatrix *GetRotMatrix() const{return fpRotMatrix;}
+ Double_t Rho() const{return fCenter.Mag();} //gives distance to chamber center in MRS
+ Double_t ThetaD() const{return fCenter.Theta()*TMath::RadToDeg();} //gives polar angle of chamber center in MRS
+ Double_t PhiD() const{return fCenter.Phi() *TMath::RadToDeg();} //gives azimuthal angle of chamber center in MRS
+ Double_t ThetaXd() const{return fRot.ThetaX() *TMath::RadToDeg();}
+ Double_t PhiXd() const{return fRot.PhiX() *TMath::RadToDeg();}
+ Double_t ThetaYd() const{return fRot.ThetaY() *TMath::RadToDeg();}
+ Double_t PhiYd() const{return fRot.PhiY() *TMath::RadToDeg();}
+ Double_t ThetaZd() const{return fRot.ThetaZ() *TMath::RadToDeg();}
+ Double_t PhiZd() const{return fRot.PhiZ() *TMath::RadToDeg();}
+ void RotX(Double_t a) {a*=TMath::DegToRad();fRot.RotateX(a);fRad.RotateX(a);fCenter.RotateX(a);fAnod.RotateX(a);fPc.RotateX(a);}//degrees around X
+ void RotY(Double_t a) {a*=TMath::DegToRad();fRot.RotateY(a);fRad.RotateY(a);fCenter.RotateY(a);fAnod.RotateY(a);fPc.RotateY(a);}//degrees around Y
+ void RotZ(Double_t a) {a*=TMath::DegToRad();fRot.RotateZ(a);fRad.RotateZ(a);fCenter.RotateZ(a);fAnod.RotateZ(a);fPc.RotateZ(a);}//degrees around Z
+ TVector3 Rad() const{return fRad;} //provides center of radiator position in MRS, cm
+ TVector3 Anod() const{return fAnod;} //provides center of anod wires plane in MRS, cm
+ TVector3 Pc() const{return fPc;} //provides center of photocathode position in MRS, cm
+ TVector3 Center() const{return fCenter;} //provides center of chamber position (exit from quartz window) in MRS, cm
+ void Print(Option_t *sOption)const;
+ TVector3 PMrs2Loc(TVector3 p3)const{TVector3 ploc=Rot().Invert()*p3;ploc.SetXYZ(-ploc.Px(),ploc.Py(),ploc.Pz()); return ploc;} //momentum MARS-local
+//Transformations for radiator plane
+ TVector2 Mrs2Rad(TVector3 x3)const{x3-=fRad;x3.Transform(fRot.Inverse());return TVector2(-x3.X()+0.5*AliRICHParam::PcSizeX(),x3.Y()+0.5*AliRICHParam::PcSizeY());}
+ TVector3 Rad2Mrs(TVector2 x2)const{TVector3 x3(-x2.X()+0.5*AliRICHParam::PcSizeX(),x2.Y()-0.5*AliRICHParam::PcSizeY(),0);x3.Transform(fRot); x3+=fRad;return x3;}
+//Transformations for anod wires plane
+ TVector2 Mrs2Anod(TVector3 x3)const{x3-=fAnod;x3.Transform(fRot.Inverse());return TVector2(-x3.X()+0.5*AliRICHParam::PcSizeX(),x3.Y()+0.5*AliRICHParam::PcSizeY());}
+ TVector3 Anod2Mrs(TVector2 x2)const{TVector3 x3(-x2.X()+0.5*AliRICHParam::PcSizeX(),x2.Y()-0.5*AliRICHParam::PcSizeY(),0);x3.Transform(fRot); x3+=fAnod;return x3;}
+//Transformations for photcathode plane
+ TVector2 Mrs2Pc(TVector3 x3)const{x3-=fPc;x3.Transform(fRot.Inverse());return TVector2(-x3.X()+0.5*AliRICHParam::PcSizeX(),x3.Y()+0.5*AliRICHParam::PcSizeY());}
+ TVector3 Pc2Mrs(TVector2 x2)const{TVector3 x3(-x2.X()+0.5*AliRICHParam::PcSizeX(),x2.Y()-0.5*AliRICHParam::PcSizeY(),0);x3.Transform(fRot); x3+=fPc;return x3;}
+ TVector2 Mrs2Pc(TLorentzVector x4) const{return Mrs2Pc(x4.Vect());}
protected:
- Float_t fX,fY,fZ; // Position of the center of the chamber in MRS (cm)
-
- AliSegmentation *fSegmentation; //???Segmentation model for each chamber
- AliRICHResponse *fResponse; //???Response model for each chamber
- AliRICHGeometry *fGeometry; //???Geometry model for each chamber
-
- TVector3 fCenterV3; //chamber center position in MRS (cm)
- TVector3 fPcX3; //PC center position in MRS (cm)
+ TVector3 fRad; //radiator entrance center position in MRS (cm)
+ TVector3 fCenter; //chamber center position (quartz window exit) in MRS (cm)
+ TVector3 fAnod; //anod wires plane center position in MRS (cm)
+ TVector3 fPc; //PC center position in MRS (cm)
TRotation fRot; //chamber rotation in MRS
TRotMatrix *fpRotMatrix; //rotation matrix of the chamber with respect to MRS
- AliRICHParam *fpParam; //main RICH parameters description
- ClassDef(AliRICHChamber,3) //single RICH chamber description
+ ClassDef(AliRICHChamber,8) //single RICH chamber description
};//class AliRICHChamber
-//__________________________________________________________________________________________________
-void AliRICHChamber::SetToZenith()
-{
- fCenterV3.SetXYZ(fX=0,fY=AliRICHParam::Offset()-AliRICHParam::GapThickness()/2,fZ=0);
- fPcX3.SetXYZ(0,AliRICHParam::Offset()-AliRICHParam::GapThickness()/2+5.276+0.25,0);
-}
-//__________________________________________________________________________________________________
-TVector3 AliRICHChamber::Glob2Loc(TVector3 x3,Bool_t isVector)const
-{
- if(!isVector) x3-=fPcX3;
- x3.Transform(fRot.Inverse());
- Double_t tmp=x3.Y(); x3.SetY(x3.Z()); x3.SetZ(tmp);
- return x3;
-}
-//__________________________________________________________________________________________________
+
#endif //AliRICHChamber_h
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff