/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
* See cxx source for full Copyright notice */
-/* $Id$ */
-
-#include <iostream.h>
-
-#include <TRotMatrix.h>
#include <TVector3.h>
#include <TMath.h>
+#include <TRotation.h>
+#include <TLorentzVector.h>
+#include "AliRICHParam.h"
+class TRotMatrix;
-#include "AliRICHTresholdMap.h"
-#include "AliSegmentation.h"
-#include "AliRICHGeometry.h"
-#include "AliRICHResponse.h"
-
-class AliRICHClusterFinder;
-typedef enum {kMip, kCerenkov} ResponseType;
-
-class AliRICHChamber : public TObject
+class AliRICHChamber : public TNamed
{
public:
-
- Int_t fIndexMap[50]; //indeces of tresholds
- AliRICHTresholdMap* fTresh; //map of tresholds
-
-public:
-// ctor & dtor
- AliRICHChamber(); // default ctor
- AliRICHChamber(const AliRICHChamber & Chamber){} // copy ctor
- ~AliRICHChamber(){} // dtor
-// The following staff is defined in AliRICHChamber.cxx:
- 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
-// Inline methods:
- void Init(Int_t id) {fSegmentation->Init(id);} // Recalculates all the values after some of them have been changed
-
- void SetGid(Int_t id) {fGid=id;} // Set and get GEANT id
- Int_t GetGid() const{return fGid;} // Get GEANT id
+ AliRICHChamber():TNamed(),fpRotMatrix(0) {;}
+ AliRICHChamber(Int_t iChamberN);
+ AliRICHChamber(const AliRICHChamber &chamber):TNamed(chamber) {;}
+ virtual ~AliRICHChamber() {;}
+ AliRICHChamber& operator=(const AliRICHChamber&) {return *this;}
- void SetRInner(Float_t rmin) {frMin=rmin;} // Set inner radius of sensitive volume
- Float_t RInner() const{return frMin;} // Return inner radius of sensitive volume
-
- void SetROuter(Float_t rmax) {frMax=rmax;} // Set outer radius of sensitive volum
- Float_t ROuter() const{return frMax;} // Return outer radius of sensitive volum
+ static Double_t AlphaFeedback(Int_t ) {return 0.02;} //determines number of feedback photons updated to 9/11/04 by Di Mauro
- void SetZPOS(Float_t p1) {fzPos=p1;}
- Float_t ZPosition() const{return fzPos;}
-
- void SetChamberTransform(Float_t x,Float_t y,Float_t z,TRotMatrix *pRotMatrix) {fX=x; fY=y; fZ=z; fpRotMatrix=pRotMatrix;}
- TRotMatrix * GetRotMatrix() const {return fpRotMatrix;}
- Float_t GetX() const {return fX;}
- Float_t GetY() const {return fY;}
- Float_t GetZ() const {return fZ;}
- Float_t GetOffset() const {return TMath::Sqrt(fX*fX+fY*fY+fZ*fZ);}
-
- 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(Int_t i=0) const{return fSegmentation;}
-
- void SetReconstructionModel(AliRICHClusterFinder *pRICHReconstruction) {fReconstruction=pRICHReconstruction;}
- AliRICHClusterFinder* &GetReconstructionModel() {return fReconstruction;}
-
- 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(x, y);} // Returns number of sector containing (x,y) position
- void SetPadSize(Float_t p1, Float_t p2) {fSegmentation->SetPadSize(p1,p2);}
-
- Float_t IntPH(Float_t eloss, Float_t yhit) {return fResponse->IntPH(eloss,yhit);}
- Float_t IntPH(Float_t yhit) {return fResponse->IntPH(yhit);}
- void SetSigmaIntegration(Float_t p) {fResponse->SetSigmaIntegration(p);}
- void SetChargeSlope(Float_t p) {fResponse->SetChargeSlope(p);}
- void SetChargeSpread(Float_t p1, Float_t p2) {fResponse->SetChargeSpread(p1,p2);}
- void SetMaxAdc(Float_t p) {fResponse->SetMaxAdc(p);}
- void SetSqrtKx3(Float_t p) {fResponse->SetSqrtKx3(p);}
- void SetKx2(Float_t p) {fResponse->SetKx2(p);}
- void SetKx4(Float_t p) {fResponse->SetKx4(p);}
- void SetSqrtKy3(Float_t p) {fResponse->SetSqrtKy3(p);}
- void SetKy2(Float_t p) {fResponse->SetKy2(p);}
- void SetKy4(Float_t p) {fResponse->SetKy4(p);}
- void SetPitch(Float_t p) {fResponse->SetPitch(p);}
- void SetWireSag(Int_t p) {fResponse->SetWireSag(p);}
- void SetVoltage(Int_t p) {fResponse->SetVoltage(p);}
-
- void SetGapThickness(Float_t thickness) {fGeometry->SetGapThickness(thickness);}
- void SetProximityGapThickness(Float_t thickness) {fGeometry->SetProximityGapThickness(thickness);}
- void SetQuartzLength(Float_t length) {fGeometry->SetQuartzLength(length);}
- void SetQuartzWidth(Float_t width) {fGeometry->SetQuartzWidth(width);}
- void SetQuartzThickness(Float_t thickness) {fGeometry->SetQuartzThickness(thickness);}
- void SetOuterFreonLength(Float_t length) {fGeometry->SetOuterFreonLength(length);}
- void SetOuterFreonWidth(Float_t width) {fGeometry->SetOuterFreonWidth(width);}
- void SetInnerFreonLength(Float_t length) {fGeometry->SetInnerFreonLength(length);}
- void SetInnerFreonWidth(Float_t width) {fGeometry->SetInnerFreonWidth(width);}
- void SetFreonThickness(Float_t thickness) {fGeometry->SetFreonThickness(thickness);}
-
- AliRICHChamber& operator=(const AliRICHChamber& rhs){return *this;}
-
- inline virtual void Print(Option_t *sOption)const;
-
-private:
- Float_t frMin; // Minimum Chamber size
- Float_t frMax; // Maximum Chamber size
- Int_t fGid; // Id tag
- Float_t fzPos; // z-position of this chamber
+ TRotMatrix* RotMatrix() const{return fpRotMatrix;}
+ TString RotMatrixName() const{return "rot"+fName;}
+ TRotation Rot() const{return fRot;}
+ 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:
+ 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
+ ClassDef(AliRICHChamber,8) //single RICH chamber description
+};//class AliRICHChamber
- TRotMatrix *fpRotMatrix; // Rotation matrix of the chamber with respect to MRS
- 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
- AliRICHClusterFinder *fReconstruction; // Reconstruction model for each chamber
- ClassDef(AliRICHChamber,1) // A single RICH chamber desription
-};
-
-inline void AliRICHChamber::Print(Option_t *sOption)const
-{
- TObject::Print(sOption);
- cout<<"X="<<fX<<endl;
- cout<<"Y="<<fY<<endl;
- cout<<"Z="<<fZ<<endl;
- TVector3 vector3(fX,fY,fZ);
- cout<<"Offset="<<vector3.Mag()<<endl;
- cout<<"Polar angle="<<vector3.Theta()/TMath::Pi()*180<<endl;
- cout<<"Azimithal angle="<<vector3.Phi()/TMath::Pi()*180<<endl;
-}// inline void AliRICHChamber::Print(Option_t *sOPtion)
-
#endif //AliRICHChamber_h