#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;}
TRotMatrix* RotMatrix() const{return fpRotMatrix;}
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 Rho() const{return fCenterV3.Mag();} //gives distance to chamber center in MRS
+ Double_t ThetaD() const{return fCenterV3.Theta()*TMath::RadToDeg();} //gives polar angle of chamber center in MRS
+ Double_t PhiD() const{return fCenterV3.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 RotateX(Double_t a) {fRot.RotateX(a);fCenterV3.RotateX(a);fPcX3.RotateX(a);} //rotate chamber around X by "a" degrees
+ void RotateY(Double_t a) {fRot.RotateY(a);fCenterV3.RotateY(a);fPcX3.RotateY(a);} //rotate chamber around Y by "a" degrees
+ void RotateZ(Double_t a) {fRot.RotateZ(a);fCenterV3.RotateZ(a);fPcX3.RotateZ(a);} //rotate chamber around Z by "a" degrees
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 TVector2 Glob2Loc(TVector3 x3, Bool_t isVector=kFALSE) const;
- TVector2 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();}
+ TVector2 Glob2Loc(TVector3 x3)const{x3-=fPcX3;x3.Transform(fRot.Inverse());return TVector2(x3.Z()+0.5*AliRICHParam::PcSizeX(),-x3.X()+0.5*AliRICHParam::PcSizeY());}//Y and Z are misplaced?????
+ TVector3 Loc2Glob(TVector2 x2)const{TVector3 x3(-x2.Y()+0.5*AliRICHParam::PcSizeY(),0,x2.X()-0.5*AliRICHParam::PcSizeX());x3.Transform(fRot); x3+=fPcX3;return x3;}
+
+ TVector2 Glob2Loc(TLorentzVector x4) const{return Glob2Loc(x4.Vect());}
+
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
- TVector3 buf = L2G(localpos[0],localpos[1],localpos[2]);
- pos[0]=buf.X();pos[1]=buf.Y();pos[2]=buf.Z();
- }
- void GlobaltoLocal(Float_t pos[3],Float_t localpos[3]) {
- //Transformation from Global to local coordinates, chamber-dependant
- TVector3 buf = G2L(pos[0],pos[1],pos[2]);
- localpos[0]=buf.X();localpos[1]=buf.Y();localpos[2]=buf.Z();
- }
+
inline void SetToZenith();
TRotMatrix *GetRotMatrix() const{return fpRotMatrix;}
protected:
- TVector3 fCenterV3; //chamber center position in MRS (cm)
+ TVector3 fCenterV3; //chamber center position in MRS (cm)
TVector3 fPcX3; //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,5) //single RICH chamber description
+ ClassDef(AliRICHChamber,6) //single RICH chamber description
};//class AliRICHChamber
//__________________________________________________________________________________________________
void AliRICHChamber::SetToZenith()
{
- fCenterV3.SetXYZ(0,AliRICHParam::Offset()-AliRICHParam::GapThickness()/2,0);
- fPcX3.SetXYZ(0,AliRICHParam::Offset()-AliRICHParam::GapThickness()/2+5.276+0.25,0);
+//Put the chamber to zenith. Position of PC is shifted in X-Z plane since the origin of chamber local system is in
+//left hand down coner.
+ fCenterV3.SetXYZ(0,AliRICHParam::Offset()-AliRICHParam::GapThickness()/2 ,0);
+ fPcX3.SetXYZ(0,AliRICHParam::Offset()-AliRICHParam::GapThickness()/2+5.276+0.25,0);
}
//__________________________________________________________________________________________________
-TVector2 AliRICHChamber::Glob2Loc(TVector3 x3,Bool_t isVector)const
-{
- if(!isVector) x3-=fPcX3;
- x3.Transform(fRot.Inverse());
- return TVector2(x3.X(),x3.Z());//attention Y and Z are misplaced!
-}
-//__________________________________________________________________________________________________
#endif //AliRICHChamber_h
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff