[u/mrichter/AliRoot.git] / PHOS / AliPHOSGeometry.h

#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
// PHOS consists of the electromagnetic calorimeter (EMCA)
// and a charged particle veto either in the Subatech's version (PPSD)
// or in the IHEP's one (CPV).
// The EMCA/PPSD/CPV modules are parametrized so that any configuration
// can be easily implemented 
// The title is used to identify the version of CPV used.
// 
//*-- Author: Yves Schutz (SUBATECH)

// --- ROOT system ---

// --- AliRoot header files ---

#include "AliGeometry.h"
#include "AliPHOSEMCAGeometry.h"
#include "AliPHOSCPVGeometry.h"
#include "AliPHOSSupportGeometry.h"


class AliPHOSGeometry : public AliGeometry {

public: 

  AliPHOSGeometry() ;

  AliPHOSGeometry(const AliPHOSGeometry & geom) : AliGeometry(geom) {
    Fatal("cpy ctor", "not implemented") ; 
  } 
  
  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) const ;
  virtual void   GetGlobal(const AliRecPoint* RecPoint, TVector3 & gpos) const ;
  virtual Bool_t Impact(const TParticle * particle) const ;

  AliPHOSGeometry & operator = (const AliPHOSGeometry  & /*rvalue*/) const {
    Fatal("operator =", "nt implemented") ; return *(GetInstance()) ; }
 
  // 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(TVector3 vec, Int_t & ModuleNumber, 
		         Double_t & z, Double_t & x) const ; 
  void ImpactOnEmc(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(const Int_t module, const Double_t x, const Double_t z, Int_t & AbsId) const; 
                                         // converts local PHOS-module (x, z) coordinates to absId 

  Bool_t IsInitialized(void)                  const { return fgInit ; }  
                                                                       
  // Return general PHOS parameters
  Int_t    GetNModules(void)                    const { return fNModules ; }
  Float_t  GetPHOSAngle(Int_t index)            const { return fPHOSAngle[index-1] ; }
  Float_t* GetPHOSParams(void)                        { return fPHOSParams;}  //Half-sizes of PHOS trapecoid
  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()) ;}

  // Return EMCA geometry parameters

  AliPHOSEMCAGeometry * GetEMCAGeometry()      const {return fGeometryEMCA ;}
  Float_t   GetIPtoCrystalSurface(void)        const { return fGeometryEMCA->GetIPtoCrystalSurface() ; }
  Float_t   GetIPtoOuterCoverDistance(void)    const { return fGeometryEMCA->GetIPtoOuterCoverDistance() ; }
  Int_t     GetNPhi(void)                      const { return fGeometryEMCA->GetNPhi() ; }
  Int_t     GetNZ(void)                        const { return fGeometryEMCA->GetNZ() ; }
  Int_t     GetNCristalsInModule(void)         const { return fGeometryEMCA->GetNPhi() * fGeometryEMCA->GetNZ() ; }

  // Return 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();     }
  Int_t   GetNumberOfCPVChipsZ(void)           const { return fGeometryCPV->GetNumberOfCPVChipsZ();       }
  Int_t   GetNumberOfCPVPadsPhi(void)          const { return fGeometryCPV->GetNumberOfCPVPadsPhi();      }
  Int_t   GetNumberOfCPVPadsZ(void)            const { return fGeometryCPV->GetNumberOfCPVPadsZ();        }
  Float_t GetPadSizePhi(void)                  const { return fGeometryCPV->GetCPVPadSizePhi();           }
  Float_t GetPadSizeZ(void)                    const { return fGeometryCPV->GetCPVPadSizeZ();             }
  Float_t GetGassiplexChipSize(Int_t index)    const { return fGeometryCPV->GetGassiplexChipSize(index);  }
  Float_t GetCPVGasThickness(void)             const { return fGeometryCPV->GetCPVGasThickness();         }
  Float_t GetCPVTextoliteThickness(void)       const { return fGeometryCPV->GetCPVTextoliteThickness();   }
  Float_t GetCPVCuNiFoilThickness(void)        const { return fGeometryCPV->GetCPVCuNiFoilThickness();    }
  Float_t GetFTPosition(Int_t index)           const { return fGeometryCPV->GetFTPosition(index);         }
  Float_t GetCPVFrameSize(Int_t index)         const { return fGeometryCPV->GetCPVFrameSize(index);       }
  Float_t GetCPVBoxSize(Int_t index)           const { return fGeometryCPV ->GetCPVBoxSize(index);        } 
  Float_t GetIPtoCPVDistance(void)             const { return  GetIPtoOuterCoverDistance() - 
							       GetCPVBoxSize(1) - 1.0; }
  TVector3 GetModuleCenter(char *det, Int_t module) const;
  TVector3 Global2Local(TVector3 globalPosition, Int_t module) const;

  // Return PHOS' support geometry parameters

  Float_t GetRailOuterSize(Int_t index)  const { return fGeometrySUPP->GetRailOuterSize(index); }
  Float_t GetRailPart1    (Int_t index)  const { return fGeometrySUPP->GetRailPart1    (index); }
  Float_t GetRailPart2    (Int_t index)  const { return fGeometrySUPP->GetRailPart2    (index); }
  Float_t GetRailPart3    (Int_t index)  const { return fGeometrySUPP->GetRailPart3    (index); }
  Float_t GetRailPos      (Int_t index)  const { return fGeometrySUPP->GetRailPos      (index); }
  Float_t GetRailLength   (void)         const { return fGeometrySUPP->GetRailLength   ();      }
  Float_t GetDistanceBetwRails(void)     const { return fGeometrySUPP->GetDistanceBetwRails();  }
  Float_t GetRailsDistanceFromIP(void)   const { return fGeometrySUPP->GetRailsDistanceFromIP();}
  Float_t GetRailRoadSize (Int_t index)  const { return fGeometrySUPP->GetRailRoadSize (index); }
  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); }

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

private:

  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
  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

  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 

} ;

#endif // AliPHOSGEOMETRY_H
Commit	Line	Data
daa2ae2f	1	#ifndef ALIPHOSGEOMETRY_H
	2	#define ALIPHOSGEOMETRY_H
	3	/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
	4	* See cxx source for full Copyright notice */
	5
6ad0bfa0	6	/* $Id$ */
6ad0bfa0	7
b2a60966	8	//_________________________________________________________________________
a3dfe79c	9	// Geometry class for PHOS : singleton
	10	// PHOS consists of the electromagnetic calorimeter (EMCA)
	11	// and a charged particle veto either in the Subatech's version (PPSD)
	12	// or in the IHEP's one (CPV).
	13	// The EMCA/PPSD/CPV modules are parametrized so that any configuration
	14	// can be easily implemented
	15	// The title is used to identify the version of CPV used.
	16	//
b2a60966	17	//*-- Author: Yves Schutz (SUBATECH)
d15a28e7	18
	19	// --- ROOT system ---
	20
d15a28e7	21	// --- AliRoot header files ---
d15a28e7	22
daa2ae2f	23	#include "AliGeometry.h"
eb92d866	24	#include "AliPHOSEMCAGeometry.h"
eb92d866	25	#include "AliPHOSCPVGeometry.h"
ed19b2e1	26	#include "AliPHOSSupportGeometry.h"
daa2ae2f	27
9f616d61	28
daa2ae2f	29	class AliPHOSGeometry : public AliGeometry {
	30
	31	public:
	32
e957fea8	33	AliPHOSGeometry() ;
52a36ffd	34
a8c47ab6	35	AliPHOSGeometry(const AliPHOSGeometry & geom) : AliGeometry(geom) {
e957fea8	36	Fatal("cpy ctor", "not implemented") ;
6c370def	37	}
6c370def	38
daa2ae2f	39	virtual ~AliPHOSGeometry(void) ;
282c5906	40	static AliPHOSGeometry * GetInstance(const Text_t* name, const Text_t* title="") ;
daa2ae2f	41	static AliPHOSGeometry * GetInstance() ;
1c9d8212	42	virtual void GetGlobal(const AliRecPoint* RecPoint, TVector3 & gpos, TMatrix & gmat) const ;
	43	virtual void GetGlobal(const AliRecPoint* RecPoint, TVector3 & gpos) const ;
	44	virtual Bool_t Impact(const TParticle * particle) const ;
daa2ae2f	45
8c140292	46	AliPHOSGeometry & operator = (const AliPHOSGeometry & /rvalue/) const {
e957fea8	47	Fatal("operator =", "nt implemented") ; return *(GetInstance()) ; }
cf0c2bc1	48
daa2ae2f	49	// General
daa2ae2f	50
2725c395	51	static TString Degre(void) { return TString("deg") ; } // a global for degree (deg)
cf0c2bc1	52
2725c395	53	static TString Radian(void){ return TString("rad") ; } // a global for radian (rad)
52a36ffd	54
fc7e2f43	55	Bool_t AbsToRelNumbering(Int_t AbsId, Int_t * RelId) const ;
710f859a	56	// converts the absolute PHOS numbering to a relative
52a36ffd	57
fc7e2f43	58	void EmcModuleCoverage(Int_t m, Double_t & tm, Double_t & tM, Double_t & pm,
710f859a	59	Double_t & pM, Option_t * opt = Radian() ) const ;
710f859a	60	// calculates the angular coverage in theta and phi of a EMC module
7b7c1533	61	void EmcXtalCoverage(Double_t & theta, Double_t & phi, Option_t * opt = Radian() ) const ;
710f859a	62	// calculates the angular coverage in theta and phi of a
710f859a	63	// single crystal in a EMC module
fc7e2f43	64	void ImpactOnEmc(Double_t theta, Double_t phi, Int_t & ModuleNumber,
710f859a	65	Double_t & z, Double_t & x) const ;
aa35fc01	66	void ImpactOnEmc(TVector3 vec, Int_t & ModuleNumber,
	67	Double_t & z, Double_t & x) const ;
	68	void ImpactOnEmc(TParticle p, Int_t & ModuleNumber,
	69	Double_t & z, Double_t & x) const ;
	70	// calculates the impact coordinates of a neutral particle
710f859a	71	// emitted in direction theta and phi in ALICE
fc7e2f43	72	Bool_t IsInEMC(Int_t id) const { if (id > GetNModules() * GetNCristalsInModule() ) return kFALSE; return kTRUE; }
710f859a	73	void RelPosInModule(const Int_t * RelId, Float_t & y, Float_t & z) const ;
	74	// gets the position of element (pad or Xtal) relative to
	75	// center of PHOS module
fc7e2f43	76	void RelPosInAlice(Int_t AbsId, TVector3 & pos) const ;
710f859a	77	// gets the position of element (pad or Xtal) relative to Alice
	78	Bool_t RelToAbsNumbering(const Int_t * RelId, Int_t & AbsId) const ;
	79	// converts the absolute PHOS numbering to a relative
842988a5	80	void RelPosToAbsId(const Int_t module, const Double_t x, const Double_t z, Int_t & AbsId) const;
842988a5	81	// converts local PHOS-module (x, z) coordinates to absId
88cb7938	82
710f859a	83	Bool_t IsInitialized(void) const { return fgInit ; }
c198e326	84
52a36ffd	85	// Return general PHOS parameters
710f859a	86	Int_t GetNModules(void) const { return fNModules ; }
	87	Float_t GetPHOSAngle(Int_t index) const { return fPHOSAngle[index-1] ; }
	88	Float_t* GetPHOSParams(void) { return fPHOSParams;} //Half-sizes of PHOS trapecoid
	89	Float_t GetIPtoUpperCPVsurface(void) const { return fIPtoUpperCPVsurface ; }
	90	Float_t GetOuterBoxSize(Int_t index) const { return 2.*fPHOSParams[index]; }
	91	Float_t GetCrystalSize(Int_t index) const { return fGeometryEMCA->GetCrystalSize(index) ; }
66c3e8ff	92	Float_t GetCellStep(void) const { return 2*(fGeometryEMCA->GetAirCellHalfSize()[0] +
66c3e8ff	93	fGeometryEMCA->GetStripWallWidthOut()) ;}
710f859a	94
	95	// Return EMCA geometry parameters
	96
	97	AliPHOSEMCAGeometry * GetEMCAGeometry() const {return fGeometryEMCA ;}
	98	Float_t GetIPtoCrystalSurface(void) const { return fGeometryEMCA->GetIPtoCrystalSurface() ; }
	99	Float_t GetIPtoOuterCoverDistance(void) const { return fGeometryEMCA->GetIPtoOuterCoverDistance() ; }
	100	Int_t GetNPhi(void) const { return fGeometryEMCA->GetNPhi() ; }
	101	Int_t GetNZ(void) const { return fGeometryEMCA->GetNZ() ; }
	102	Int_t GetNCristalsInModule(void) const { return fGeometryEMCA->GetNPhi() * fGeometryEMCA->GetNZ() ; }
	103
	104	// Return CPV geometry parameters
ed4205d8	105	Int_t GetNumberOfCPVLayers(void) const { return fGeometryCPV ->GetNumberOfCPVLayers(); }
ed4205d8	106	Float_t GetCPVActiveSize(Int_t index) const { return fGeometryCPV->GetCPVActiveSize(index); }
	107	Int_t GetNumberOfCPVChipsPhi(void) const { return fGeometryCPV->GetNumberOfCPVChipsPhi(); }
	108	Int_t GetNumberOfCPVChipsZ(void) const { return fGeometryCPV->GetNumberOfCPVChipsZ(); }
	109	Int_t GetNumberOfCPVPadsPhi(void) const { return fGeometryCPV->GetNumberOfCPVPadsPhi(); }
	110	Int_t GetNumberOfCPVPadsZ(void) const { return fGeometryCPV->GetNumberOfCPVPadsZ(); }
	111	Float_t GetPadSizePhi(void) const { return fGeometryCPV->GetCPVPadSizePhi(); }
	112	Float_t GetPadSizeZ(void) const { return fGeometryCPV->GetCPVPadSizeZ(); }
	113	Float_t GetGassiplexChipSize(Int_t index) const { return fGeometryCPV->GetGassiplexChipSize(index); }
	114	Float_t GetCPVGasThickness(void) const { return fGeometryCPV->GetCPVGasThickness(); }
	115	Float_t GetCPVTextoliteThickness(void) const { return fGeometryCPV->GetCPVTextoliteThickness(); }
	116	Float_t GetCPVCuNiFoilThickness(void) const { return fGeometryCPV->GetCPVCuNiFoilThickness(); }
	117	Float_t GetFTPosition(Int_t index) const { return fGeometryCPV->GetFTPosition(index); }
	118	Float_t GetCPVFrameSize(Int_t index) const { return fGeometryCPV->GetCPVFrameSize(index); }
710f859a	119	Float_t GetCPVBoxSize(Int_t index) const { return fGeometryCPV ->GetCPVBoxSize(index); }
	120	Float_t GetIPtoCPVDistance(void) const { return GetIPtoOuterCoverDistance() -
	121	GetCPVBoxSize(1) - 1.0; }
bfc17d18	122	TVector3 GetModuleCenter(char *det, Int_t module) const;
bfc17d18	123	TVector3 Global2Local(TVector3 globalPosition, Int_t module) const;
52a36ffd	124
710f859a	125	// Return PHOS' support geometry parameters
ed19b2e1	126
	127	Float_t GetRailOuterSize(Int_t index) const { return fGeometrySUPP->GetRailOuterSize(index); }
	128	Float_t GetRailPart1 (Int_t index) const { return fGeometrySUPP->GetRailPart1 (index); }
	129	Float_t GetRailPart2 (Int_t index) const { return fGeometrySUPP->GetRailPart2 (index); }
	130	Float_t GetRailPart3 (Int_t index) const { return fGeometrySUPP->GetRailPart3 (index); }
	131	Float_t GetRailPos (Int_t index) const { return fGeometrySUPP->GetRailPos (index); }
710f859a	132	Float_t GetRailLength (void) const { return fGeometrySUPP->GetRailLength (); }
	133	Float_t GetDistanceBetwRails(void) const { return fGeometrySUPP->GetDistanceBetwRails(); }
	134	Float_t GetRailsDistanceFromIP(void) const { return fGeometrySUPP->GetRailsDistanceFromIP();}
ed19b2e1	135	Float_t GetRailRoadSize (Int_t index) const { return fGeometrySUPP->GetRailRoadSize (index); }
710f859a	136	Float_t GetCradleWallThickness(void) const { return fGeometrySUPP->GetCradleWallThickness();}
ed19b2e1	137	Float_t GetCradleWall (Int_t index) const { return fGeometrySUPP->GetCradleWall (index); }
ed19b2e1	138	Float_t GetCradleWheel (Int_t index) const { return fGeometrySUPP->GetCradleWheel (index); }
daa2ae2f	139
6c370def	140	protected:
6c370def	141
aafe457d	142	AliPHOSGeometry(const Text_t* name, const Text_t* title="") : AliGeometry(name, title) {
6c370def	143	// ctor only for internal usage (singleton)
6c370def	144	Init() ;
52a36ffd	145	}
52a36ffd	146	void Init(void) ; // steering method for PHOS and PPSD/CPV
6c370def	147
daa2ae2f	148	private:
6c370def	149
eb92d866	150	Int_t fNModules ; // Number of modules constituing PHOS
ed4205d8	151	Float_t fAngle ; // Position angles between modules
eb92d866	152	Float_t *fPHOSAngle ; //[fNModules] Position angles of modules
710f859a	153	Float_t fPHOSParams[4] ; // Half-sizes of PHOS trapecoid
710f859a	154	Float_t fIPtoUpperCPVsurface; // Minimal distance from IP to PHOS
eb92d866	155	TObjArray *fRotMatrixArray ; // Liste of rotation matrices (one per phos module)
eb92d866	156	AliPHOSEMCAGeometry *fGeometryEMCA ; // Geometry object for Electromagnetic calorimeter
ed4205d8	157	AliPHOSCPVGeometry *fGeometryCPV ; // Geometry object for CPV (IHEP)
ed19b2e1	158	AliPHOSSupportGeometry *fGeometrySUPP ; // Geometry object for PHOS support
52a36ffd	159
ed4205d8	160	void SetPHOSAngles(); // calculates the PHOS modules PHI angle
daa2ae2f	161
88714635	162	static AliPHOSGeometry * fgGeom ; // pointer to the unique instance of the singleton
52a36ffd	163	static Bool_t fgInit ; // Tells if geometry has been succesfully set up
daa2ae2f	164
52a36ffd	165	ClassDef(AliPHOSGeometry,1) // PHOS geometry class
daa2ae2f	166
	167	} ;
	168
	169	#endif // AliPHOSGEOMETRY_H