// --- AliRoot header files ---
-#include "AliGeometry.h"
+#include "AliPHOSGeoUtils.h"
#include "AliPHOSEMCAGeometry.h"
#include "AliPHOSCPVGeometry.h"
#include "AliPHOSSupportGeometry.h"
+#include <TMatrixFfwd.h>
+class AliRecPoint ;
+class AliPHOSRecPoint;
+class TVector3;
-class AliPHOSGeometry : public AliGeometry {
+class AliPHOSGeometry : public AliPHOSGeoUtils {
public:
AliPHOSGeometry() ;
-
- AliPHOSGeometry(const AliPHOSGeometry & geom) : AliGeometry(geom) {
- Fatal("cpy ctor", "not implemented") ;
- }
+ AliPHOSGeometry(const AliPHOSGeometry & geom) ;
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, TMatrixF & gmat) const ;
+
+ virtual void GetGlobal(const AliRecPoint* RecPoint, TVector3 & gpos, TMatrixF & /* gmat */) const
+ {GetGlobal(RecPoint,gpos); }
virtual void GetGlobal(const AliRecPoint* RecPoint, TVector3 & gpos) const ;
- virtual Bool_t Impact(const TParticle * particle) const ;
+ virtual void GetGlobalPHOS(const AliPHOSRecPoint* RecPoint, TVector3 & gpos) const ;
+ virtual void GetGlobalPHOS(const AliPHOSRecPoint* RecPoint, TVector3 & gpos, TMatrixF & /* gmat */) const
+ {GetGlobalPHOS(RecPoint,gpos); }
- AliPHOSGeometry & operator = (const AliPHOSGeometry & /*rvalue*/) const {
- Fatal("operator =", "nt implemented") ; return *(GetInstance()) ; }
+ AliPHOSGeometry & operator = (const AliPHOSGeometry & /*rvalue*/) {
+ Fatal("operator =", "not implemented") ;
+ return *this ;
+ }
- // General
-
- static TString Degre(void) { return TString("deg") ; } // a global for degree (deg)
-
- static TString Radian(void){ return TString("rad") ; } // a global for radian (rad)
-
- Bool_t AbsToRelNumbering(Int_t AbsId, Int_t * RelId) const ;
- // converts the absolute PHOS numbering to a relative
-
- void EmcModuleCoverage(Int_t m, Double_t & tm, Double_t & tM, Double_t & pm,
- Double_t & pM, Option_t * opt = Radian() ) const ;
- // calculates the angular coverage in theta and phi of a EMC module
- void EmcXtalCoverage(Double_t & theta, Double_t & phi, Option_t * opt = Radian() ) const ;
- // calculates the angular coverage in theta and phi of a
- // single crystal in a EMC module
- void ImpactOnEmc(Double_t theta, Double_t phi, Int_t & ModuleNumber,
- Double_t & z, Double_t & x) const ;
- void ImpactOnEmc(const TVector3& vec, Int_t & ModuleNumber,
- Double_t & z, Double_t & x) const ;
- void ImpactOnEmc(const TParticle& p, Int_t & ModuleNumber,
- Double_t & z, Double_t & x) const ;
- // calculates the impact coordinates of a neutral particle
- // emitted in direction theta and phi in ALICE
- Bool_t IsInEMC(Int_t id) const { if (id > GetNModules() * GetNCristalsInModule() ) return kFALSE; return kTRUE; }
- void RelPosInModule(const Int_t * RelId, Float_t & y, Float_t & z) const ;
- // gets the position of element (pad or Xtal) relative to
- // center of PHOS module
- void RelPosInAlice(Int_t AbsId, TVector3 & pos) const ;
- // gets the position of element (pad or Xtal) relative to Alice
- Bool_t RelToAbsNumbering(const Int_t * RelId, Int_t & AbsId) const ;
- // converts the absolute PHOS numbering to a relative
- void RelPosToAbsId(Int_t module, Double_t x, Double_t z, Int_t & AbsId) const;
- // converts local PHOS-module (x, z) coordinates to absId
Bool_t IsInitialized(void) const { return fgInit ; }
Float_t GetIPtoUpperCPVsurface(void) const { return fIPtoUpperCPVsurface ; }
Float_t GetOuterBoxSize(Int_t index) const { return 2.*fPHOSParams[index]; }
Float_t GetCrystalSize(Int_t index) const { return fGeometryEMCA->GetCrystalSize(index) ; }
- Float_t GetCellStep(void) const { return 2*(fGeometryEMCA->GetAirCellHalfSize()[0] +
- fGeometryEMCA->GetStripWallWidthOut()) ;}
+ Float_t GetCellStep(void) const { return 2.*fGeometryEMCA->GetAirCellHalfSize()[0];}
+
+ Float_t GetModuleCenter(Int_t module, Int_t axis) const {
+ return fModuleCenter[module][axis];}
+ Float_t GetModuleAngle(Int_t module, Int_t axis, Int_t angle) const {
+ return fModuleAngle[module][axis][angle];}
+
- // Return EMCA geometry parameters
+ // Return ideal EMCA geometry parameters
AliPHOSEMCAGeometry * GetEMCAGeometry() const {return fGeometryEMCA ;}
Float_t GetIPtoCrystalSurface(void) const { return fGeometryEMCA->GetIPtoCrystalSurface() ; }
Int_t GetNZ(void) const { return fGeometryEMCA->GetNZ() ; }
Int_t GetNCristalsInModule(void) const { return fGeometryEMCA->GetNPhi() * fGeometryEMCA->GetNZ() ; }
- // Return CPV geometry parameters
+ // Return ideal CPV geometry parameters
Int_t GetNumberOfCPVLayers(void) const { return fGeometryCPV ->GetNumberOfCPVLayers(); }
Float_t GetCPVActiveSize(Int_t index) const { return fGeometryCPV->GetCPVActiveSize(index); }
Int_t GetNumberOfCPVChipsPhi(void) const { return fGeometryCPV->GetNumberOfCPVChipsPhi(); }
Float_t GetCPVBoxSize(Int_t index) const { return fGeometryCPV ->GetCPVBoxSize(index); }
Float_t GetIPtoCPVDistance(void) const { return GetIPtoOuterCoverDistance() -
GetCPVBoxSize(1) - 1.0; }
+
+
+ // Return real CPV geometry parameters
void GetModuleCenter(TVector3& center, const char *det, Int_t module) const;
- void Global2Local(TVector3& localPosition,
- const TVector3& globalPosition,
- Int_t module) const;
// Return PHOS' support geometry parameters
Float_t GetCradleWallThickness(void) const { return fGeometrySUPP->GetCradleWallThickness();}
Float_t GetCradleWall (Int_t index) const { return fGeometrySUPP->GetCradleWall (index); }
Float_t GetCradleWheel (Int_t index) const { return fGeometrySUPP->GetCradleWheel (index); }
+ void Init(void) ; // steering method for PHOS and PPSD/CPV
-protected:
- AliPHOSGeometry(const Text_t* name, const Text_t* title="") : AliGeometry(name, title) {
- // ctor only for internal usage (singleton)
- Init() ;
- }
- void Init(void) ; // steering method for PHOS and PPSD/CPV
+protected:
+ AliPHOSGeometry(const Text_t* name, const Text_t* title="") ;
private:
+ void SetPHOSAngles(); // calculates the PHOS modules PHI angle
+
- Int_t fNModules ; // Number of modules constituing PHOS
Float_t fAngle ; // Position angles between modules
Float_t *fPHOSAngle ; //[fNModules] Position angles of modules
Float_t fPHOSParams[4] ; // Half-sizes of PHOS trapecoid
Float_t fIPtoUpperCPVsurface; // Minimal distance from IP to PHOS
+ Float_t fCrystalShift ; //Distance from crystal center to front surface
+ Float_t fCryCellShift ; //Distance from crystal center to front surface
TObjArray *fRotMatrixArray ; // Liste of rotation matrices (one per phos module)
- AliPHOSEMCAGeometry *fGeometryEMCA ; // Geometry object for Electromagnetic calorimeter
- AliPHOSCPVGeometry *fGeometryCPV ; // Geometry object for CPV (IHEP)
- AliPHOSSupportGeometry *fGeometrySUPP ; // Geometry object for PHOS support
+ Float_t fModuleCenter[5][3]; // xyz-position of the module center
+ Float_t fModuleAngle[5][3][2]; // polar and azymuth angles for 3 axes of modules
- void SetPHOSAngles(); // calculates the PHOS modules PHI angle
static AliPHOSGeometry * fgGeom ; // pointer to the unique instance of the singleton
static Bool_t fgInit ; // Tells if geometry has been succesfully set up
- ClassDef(AliPHOSGeometry,1) // PHOS geometry class
+ ClassDef(AliPHOSGeometry,3) // PHOS geometry class
} ;