/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
* See cxx source for full Copyright notice */
-#include <TRotMatrix.h>
#include <TVector3.h>
#include <TMath.h>
#include <TRotation.h>
#include <TLorentzVector.h>
-#include "AliRICHConst.h"
+#include "AliRICHParam.h"
+class TRotMatrix;
-#include "AliRICHTresholdMap.h"
-#include "AliSegmentation.h"
-#include "AliRICHGeometry.h"
-#include "AliRICHResponse.h"
-
-typedef enum {kMip, kPhoton} ResponseType;
-class AliRICHParam;
class AliRICHChamber : public TNamed
{
public:
-
- Int_t fIndexMap[50]; //indeces of tresholds
- AliRICHTresholdMap* fTresh; //map of tresholds
-
-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;}
- const char* RotMatrixName() const{return "rot"+fName;}
- TRotation Rot() {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()*kR2d;}
- void RotateX(Double_t a) {fRot.RotateX(a);fCenterV3.RotateX(a);}
- void RotateY(Double_t a) {fRot.RotateY(a);fCenterV3.RotateY(a);}
- void RotateZ(Double_t a) {fRot.RotateZ(a);fCenterV3.RotateZ(a);}
+ TString RotMatrixName() const{return "rot"+fName;}
+ TRotation Rot() const{return fRot;}
+ 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;}
- 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();}
- TVector3 L2Gvector(TVector3 x3) const{x3.Transform(fRot);return x3;}
- TVector3 G2Lvector(TVector3 x3) const{x3.Transform(fRot.Inverse()); return x3;}
-// TLorentzVector L2G(TLorentzVector v4) const{v4.Transform(fRot.Inverse());v4+=fCenterV3;return v4;}???
+ 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
- void GlobaltoLocal(Float_t pos[3],Float_t localpos[3]);//Transformation from Global to local coordinates, chamber-dependant
- void GenerateTresholds(); //Generate pad dependent tresholds
- 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 SetCenter(Double_t x,Double_t y,Double_t z);
- TRotMatrix *GetRotMatrix() const{return fpRotMatrix;}
- void SetChamberTransform(Float_t x,Float_t y,Float_t z,TRotMatrix *pRotMatrix);
-
-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)
+ inline void SetToZenith();
+ TRotMatrix *GetRotMatrix() const{return fpRotMatrix;}
+protected:
+ 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,2) //single RICH chamber description
+ ClassDef(AliRICHChamber,6) //single RICH chamber description
};//class AliRICHChamber
-
-void AliRICHChamber::SetCenter(Double_t x,Double_t y,Double_t z)
+//__________________________________________________________________________________________________
+void AliRICHChamber::SetToZenith()
{
- fCenterV3.SetXYZ(x,y,z);
- fX=x;fY=y;fZ=z;
+//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);
}
-
+//__________________________________________________________________________________________________
#endif //AliRICHChamber_h