#ifndef ALIPHOSGEOMETRY_H #define ALIPHOSGEOMETRY_H /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * * See cxx source for full Copyright notice */ /* $Id$ */ //////////////////////////////////////////////// // Geometry class for PHOS : singleton // // Version SUBATECH // // Author Y. Schutz SUBATECH // // geometry parametrized for any // // shape of modules // //////////////////////////////////////////////// // --- ROOT system --- #include "TNamed.h" #include "TString.h" #include "TObjArray.h" #include "TVector3.h" // --- AliRoot header files --- #include "AliGeometry.h" #include "AliPHOSRecPoint.h" static const TString kDegre("deg") ; static const TString kRadian("rad") ; class AliPHOSGeometry : public AliGeometry { public: AliPHOSGeometry() {} ; // must be kept public for root persistency purposes virtual ~AliPHOSGeometry(void) ; static AliPHOSGeometry * GetInstance(const Text_t* name, const Text_t* title) ; static AliPHOSGeometry * GetInstance() ; virtual void GetGlobal(const AliRecPoint* RecPoint, TVector3 & gpos, TMatrix & gmat) ; virtual void GetGlobal(const AliRecPoint* RecPoint, TVector3 & gpos) ; protected: AliPHOSGeometry(const Text_t* name, const Text_t* title) : AliGeometry(name, title) { Init() ; } void Init(void) ; // steering method for PHOS and CPV void InitPHOS(void) ; // defines the various PHOS geometry parameters void InitPPSD(void) ; // defines the various PPSD geometry parameters public: // General Bool_t AbsToRelNumbering(const Int_t AbsId, Int_t * RelId) ; // converts the absolute PHOS numbering to a relative void EmcModuleCoverage(const Int_t m, Double_t & tm, Double_t & tM, Double_t & pm, Double_t & pM, Option_t * opt = kRadian); // calculates the angular coverage in theta and phi of a EMC module void EmcXtalCoverage(Double_t & theta, Double_t & phi, Option_t * opt = kRadian) ; // calculates the angular coverage in theta and phi of a // single crystal in a EMC module void ImpactOnEmc(const Double_t theta, const Double_t phi, Int_t & ModuleNumber, Double_t & x, Double_t & z) ; // calculates the impact coordinates of a neutral particle // emitted in direction theta and phi in ALICE void RelPosInModule(const Int_t * RelId, Float_t & y, Float_t & z) ; // gets the position of element (pad or Xtal) relative to // center of PHOS module void RelPosInAlice(const Int_t AbsId, TVector3 & pos) ; // gets the position of element (pad or Xtal) relative to // Alice Bool_t RelToAbsNumbering(const Int_t * RelId, Int_t & AbsId) ; // converts the absolute PHOS numbering to a relative // inlines ///////////// PHOS related parameters Bool_t IsInitialized(void) const { return fInit ; } Float_t GetAirFilledBoxSize(Int_t index) const { return fAirFilledBoxSize[index] ;} Float_t GetCrystalHolderThickness(void) const { return fCrystalHolderThickness ; } Float_t GetCrystalSize(Int_t index) const { return fXtlSize[index] ; } Float_t GetCrystalSupportHeight(void) const { return fCrystalSupportHeight ; } Float_t GetCrystalWrapThickness(void) const { return fCrystalWrapThickness;} Float_t GetGapBetweenCrystals(void) const { return fGapBetweenCrystals ; } Float_t GetIPtoCrystalSurface(void) const { return fIPtoCrystalSurface ; } Float_t GetIPtoOuterCoverDistance(void) const { return fIPtoOuterCoverDistance ; } Float_t GetIPtoTopLidDistance(void) const { return fIPtoTopLidDistance ; } Float_t GetLowerThermoPlateThickness(void) const { return fLowerThermoPlateThickness ; } Float_t GetLowerTextolitPlateThickness(void) const { return fLowerTextolitPlateThickness ; } Float_t GetModuleBoxThickness(void) const { return fModuleBoxThickness ; } Int_t GetNPhi(void) const { return fNPhi ; } Int_t GetNZ(void) const { return fNZ ; } Int_t GetNModules(void) const { return fNModules ; } Float_t GetOuterBoxSize(Int_t index) const { return fOuterBoxSize[index] ; } Float_t GetOuterBoxThickness(Int_t index) const { return fOuterBoxThickness[index] ; } Float_t GetPHOSAngle(Int_t index) const { return fPHOSAngle[index-1] ; } Float_t GetPinDiodeSize(Int_t index) const { return fPinDiodeSize[index] ; } Float_t GetSecondUpperPlateThickness(void) const { return fSecondUpperPlateThickness ; } Float_t GetSupportPlateThickness(void) const { return fSupportPlateThickness ; } Float_t GetTextolitBoxSize(Int_t index) const { return fTextolitBoxSize[index] ; } Float_t GetTextolitBoxThickness(Int_t index) const { return fTextolitBoxThickness[index]; } Float_t GetUpperPlateThickness(void) const { return fUpperPlateThickness ; } Float_t GetUpperCoolingPlateThickness(void) const { return fUpperCoolingPlateThickness ; } private: void SetPHOSAngles() ; // calculates the PHOS modules PHI angle public: ///////////// PPSD (PHOS PRE SHOWER DETECTOR) related parameters Float_t GetAnodeThickness(void) const { return fAnodeThickness ; } Float_t GetAvalancheGap(void) const { return fAvalancheGap ; } Float_t GetCathodeThickness(void) const { return fCathodeThickness ; } Float_t GetCompositeThickness(void) const { return fCompositeThickness ; } Float_t GetConversionGap(void) const { return fConversionGap ; } Float_t GetLeadConverterThickness(void) const { return fLeadConverterThickness ; } Float_t GetLeadToMicro2Gap(void) const { return fLeadToMicro2Gap ; } Float_t GetLidThickness(void) const { return fLidThickness ; } Float_t GetMicromegas1Thickness(void) const { return fMicromegas1Thickness ; } Float_t GetMicromegas2Thickness(void) const { return fMicromegas2Thickness ; } Float_t GetMicromegasWallThickness(void) const { return fMicromegasWallThickness ; } Float_t GetMicro1ToLeadGap(void) const { return fMicro1ToLeadGap ; } Int_t GetNumberOfPadsPhi(void) const { return fNumberOfPadsPhi ; } Int_t GetNumberOfPadsZ(void) const { return fNumberOfPadsZ ; } Int_t GetNumberOfModulesPhi(void) const { return fNumberOfModulesPhi ; } Int_t GetNumberOfModulesZ(void) const { return fNumberOfModulesZ ; } Float_t GetPCThickness(void) const { return fPCThickness ; } Float_t GetPhiDisplacement(void) const { return fPhiDisplacement ; } Float_t GetPPSDBoxSize(Int_t index) const { return fPPSDBoxSize[index] ; } Float_t GetPPSDModuleSize(Int_t index) const { return fPPSDModuleSize[index] ; } Float_t GetZDisplacement(void) const { return fZDisplacement ; } private: ///////////// PHOS related parameters Float_t fAirFilledBoxSize[3] ; // Air filled box containing one module Float_t fAirThickness[3] ; // Space filled with air between the module box and the Textolit box Float_t fCrystalSupportHeight ; // Height of the support of the crystal Float_t fCrystalWrapThickness ; // Thickness of Tyvek wrapping the crystal Float_t fCrystalHolderThickness ; // Titanium holder of the crystal Float_t fGapBetweenCrystals ; // Total Gap between two adjacent crystals Bool_t fInit ; // Tells if geometry has been succesfully set up Float_t fIPtoOuterCoverDistance ; // Distances from interaction point to outer cover Float_t fIPtoCrystalSurface ; // Distances from interaction point to Xtal surface Float_t fModuleBoxThickness ; // Thickness of the thermo insulating box containing one crystals module Float_t fLowerTextolitPlateThickness ; // Thickness of lower textolit plate Float_t fLowerThermoPlateThickness ; // Thickness of lower thermo insulating plate Int_t fNModules ; // Number of modules constituing PHOS Int_t fNPhi ; // Number of crystal units in X (phi) direction Int_t fNZ ; // Number of crystal units in Z direction Float_t fOuterBoxSize[3] ; // Size of the outer thermo insulating foam box Float_t fOuterBoxThickness[3] ; // Thickness of the outer thermo insulating foam box Float_t fPHOSAngle[4] ; // Position angles of modules Float_t fPinDiodeSize[3] ; // Size of the PIN Diode TObjArray * fRotMatrixArray ; // Liste of rotation matrices (one per phos module) Float_t fSecondUpperPlateThickness ; // Thickness of upper polystyrene foam plate Float_t fSupportPlateThickness ; // Thickness of the Aluminium support plate Float_t fUpperCoolingPlateThickness ; // Thickness of the upper cooling plate Float_t fUpperPlateThickness ; // Thickness of the uper thermo insulating foam plate Float_t fTextolitBoxSize[3] ; // Size of the Textolit box inside the insulating foam box Float_t fTextolitBoxThickness[3] ; // Thicknesses of th Textolit box Float_t fXtlSize[3] ; // PWO4 crystal dimensions ///////////// PPSD (PHOS PRE SHOWER DETECTOR) related parameters Float_t fAnodeThickness ; // Thickness of the copper layer which makes the anode Float_t fAvalancheGap ; // Thickness of the gas in the avalanche stage Float_t fCathodeThickness ; // Thickeness of composite material ensuring rigidity of cathode Float_t fCompositeThickness ; // Thickeness of composite material ensuring rigidity of anode Float_t fConversionGap ; // Thickness of the gas in the conversion stage Float_t fIPtoTopLidDistance ; // Distance from interaction point to top lid of PPSD Float_t fLeadConverterThickness ; // Thickness of the Lead converter Float_t fLeadToMicro2Gap ; // Thickness of the air gap between the Lead and Micromegas 2 Float_t fLidThickness ; // Thickness of top lid Float_t fMicromegas1Thickness ; // Thickness of the first downstream Micromegas Float_t fMicromegas2Thickness ; // Thickness of the second downstream Micromegas Float_t fMicromegasWallThickness ; // Thickness of the Micromegas leak tight box Float_t fMicro1ToLeadGap ; // Thickness of the air gap between Micromegas 1 and the Lead Int_t fNumberOfPadsPhi ; // Number of pads on a micromegas module ; Int_t fNumberOfPadsZ ; // Number of pads on a micromegas module ; Int_t fNumberOfModulesPhi ; // Number of micromegas modules in phi Int_t fNumberOfModulesZ ; // Number of micromegas modules in z Float_t fPCThickness ; // Thickness of the printed circuit board of the anode Float_t fPhiDisplacement ; // Phi displacement of micromegas1 with respect to micromegas2 Float_t fPPSDBoxSize[3] ; // Size of large box which contains PPSD; matches PHOS module size Float_t fPPSDModuleSize[3] ; // Size of an individual micromegas module Float_t fZDisplacement ; // Z displacement of micromegas1 with respect to micromegas2 static AliPHOSGeometry * fGeom ; // pointer to the unique instance of the singleton ClassDef(AliPHOSGeometry,1) // PHOS geometry class , version subatech } ; #endif // AliPHOSGEOMETRY_H