[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)

#include <assert.h> 

// --- ROOT system ---

#include "TString.h"
#include "TObjArray.h"
#include "TParticle.h"
#include "TVector3.h" 

// --- AliRoot header files ---

#include "AliGeometry.h"

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


class AliPHOSGeometry : public AliGeometry {

public: 

  AliPHOSGeometry() {
    // default ctor 
    // must be kept public for root persistency purposes, but should never be called by the outside world
    fPHOSAngle = 0 ;
    fGeometryEMCA = 0;
    fGeometrySUPP = 0;
    fGeometryCPV  = 0;
    fgGeom        = 0;
    fRotMatrixArray = 0;  }  

  AliPHOSGeometry(const AliPHOSGeometry & geom) : AliGeometry(geom) {
    // cpy ctor requested by Coding Convention but not yet needed
    
    assert(0==1) ;
  } 
  
  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 {
    // assignement operator requested by coding convention but not needed
    assert(0==1) ;
    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(const Int_t AbsId, Int_t * RelId) const ; 
                                          // 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 = 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(const Double_t theta, const Double_t phi, 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(const 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(const 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 

  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; }

  // 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
88cb7938	19	#include <assert.h>
88cb7938	20
d15a28e7	21	// --- ROOT system ---
d15a28e7	22
daa2ae2f	23	#include "TString.h"
daa2ae2f	24	#include "TObjArray.h"
1c9d8212	25	#include "TParticle.h"
daa2ae2f	26	#include "TVector3.h"
d15a28e7	27
	28	// --- AliRoot header files ---
	29
daa2ae2f	30	#include "AliGeometry.h"
468794ea	31
eb92d866	32	#include "AliPHOSEMCAGeometry.h"
eb92d866	33	#include "AliPHOSCPVGeometry.h"
ed19b2e1	34	#include "AliPHOSSupportGeometry.h"
daa2ae2f	35
9f616d61	36
daa2ae2f	37	class AliPHOSGeometry : public AliGeometry {
	38
	39	public:
	40
88cb7938	41	AliPHOSGeometry() {
	42	// default ctor
	43	// must be kept public for root persistency purposes, but should never be called by the outside world
	44	fPHOSAngle = 0 ;
	45	fGeometryEMCA = 0;
	46	fGeometrySUPP = 0;
	47	fGeometryCPV = 0;
	48	fgGeom = 0;
	49	fRotMatrixArray = 0; }
52a36ffd	50
a8c47ab6	51	AliPHOSGeometry(const AliPHOSGeometry & geom) : AliGeometry(geom) {
52a36ffd	52	// cpy ctor requested by Coding Convention but not yet needed
88cb7938	53
88cb7938	54	assert(0==1) ;
6c370def	55	}
6c370def	56
daa2ae2f	57	virtual ~AliPHOSGeometry(void) ;
282c5906	58	static AliPHOSGeometry * GetInstance(const Text_t* name, const Text_t* title="") ;
daa2ae2f	59	static AliPHOSGeometry * GetInstance() ;
1c9d8212	60	virtual void GetGlobal(const AliRecPoint* RecPoint, TVector3 & gpos, TMatrix & gmat) const ;
	61	virtual void GetGlobal(const AliRecPoint* RecPoint, TVector3 & gpos) const ;
	62	virtual Bool_t Impact(const TParticle * particle) const ;
daa2ae2f	63
c6e196df	64	AliPHOSGeometry & operator = (const AliPHOSGeometry & rvalue) const {
52a36ffd	65	// assignement operator requested by coding convention but not needed
88cb7938	66	assert(0==1) ;
88cb7938	67	return *(GetInstance()) ;
6c370def	68	}
cf0c2bc1	69
daa2ae2f	70	// General
daa2ae2f	71
2725c395	72	static TString Degre(void) { return TString("deg") ; } // a global for degree (deg)
cf0c2bc1	73
2725c395	74	static TString Radian(void){ return TString("rad") ; } // a global for radian (rad)
52a36ffd	75
710f859a	76	Bool_t AbsToRelNumbering(const Int_t AbsId, Int_t * RelId) const ;
710f859a	77	// converts the absolute PHOS numbering to a relative
52a36ffd	78
710f859a	79	void EmcModuleCoverage(const Int_t m, Double_t & tm, Double_t & tM, Double_t & pm,
	80	Double_t & pM, Option_t * opt = Radian() ) const ;
	81	// calculates the angular coverage in theta and phi of a EMC module
7b7c1533	82	void EmcXtalCoverage(Double_t & theta, Double_t & phi, Option_t * opt = Radian() ) const ;
710f859a	83	// calculates the angular coverage in theta and phi of a
	84	// single crystal in a EMC module
	85	void ImpactOnEmc(const Double_t theta, const Double_t phi, Int_t & ModuleNumber,
	86	Double_t & z, Double_t & x) const ;
	87	// calculates the impact coordinates of a neutral particle
	88	// emitted in direction theta and phi in ALICE
8f09b22b	89	Bool_t IsInEMC(const Int_t id) const { if (id > GetNModules() * GetNCristalsInModule() ) return kFALSE; return kTRUE; }
710f859a	90	void RelPosInModule(const Int_t * RelId, Float_t & y, Float_t & z) const ;
	91	// gets the position of element (pad or Xtal) relative to
	92	// center of PHOS module
	93	void RelPosInAlice(const Int_t AbsId, TVector3 & pos) const ;
	94	// gets the position of element (pad or Xtal) relative to Alice
	95	Bool_t RelToAbsNumbering(const Int_t * RelId, Int_t & AbsId) const ;
	96	// converts the absolute PHOS numbering to a relative
88cb7938	97
710f859a	98	Bool_t IsInitialized(void) const { return fgInit ; }
c198e326	99
52a36ffd	100	// Return general PHOS parameters
710f859a	101	Int_t GetNModules(void) const { return fNModules ; }
	102	Float_t GetPHOSAngle(Int_t index) const { return fPHOSAngle[index-1] ; }
	103	Float_t* GetPHOSParams(void) { return fPHOSParams;} //Half-sizes of PHOS trapecoid
	104	Float_t GetIPtoUpperCPVsurface(void) const { return fIPtoUpperCPVsurface ; }
	105	Float_t GetOuterBoxSize(Int_t index) const { return 2.*fPHOSParams[index]; }
	106	Float_t GetCrystalSize(Int_t index) const { return fGeometryEMCA->GetCrystalSize(index) ; }
66c3e8ff	107	Float_t GetCellStep(void) const { return 2*(fGeometryEMCA->GetAirCellHalfSize()[0] +
66c3e8ff	108	fGeometryEMCA->GetStripWallWidthOut()) ;}
710f859a	109
	110	// Return EMCA geometry parameters
	111
	112	AliPHOSEMCAGeometry * GetEMCAGeometry() const {return fGeometryEMCA ;}
	113	Float_t GetIPtoCrystalSurface(void) const { return fGeometryEMCA->GetIPtoCrystalSurface() ; }
	114	Float_t GetIPtoOuterCoverDistance(void) const { return fGeometryEMCA->GetIPtoOuterCoverDistance() ; }
	115	Int_t GetNPhi(void) const { return fGeometryEMCA->GetNPhi() ; }
	116	Int_t GetNZ(void) const { return fGeometryEMCA->GetNZ() ; }
	117	Int_t GetNCristalsInModule(void) const { return fGeometryEMCA->GetNPhi() * fGeometryEMCA->GetNZ() ; }
	118
	119	// Return CPV geometry parameters
ed4205d8	120	Int_t GetNumberOfCPVLayers(void) const { return fGeometryCPV ->GetNumberOfCPVLayers(); }
ed4205d8	121	Float_t GetCPVActiveSize(Int_t index) const { return fGeometryCPV->GetCPVActiveSize(index); }
	122	Int_t GetNumberOfCPVChipsPhi(void) const { return fGeometryCPV->GetNumberOfCPVChipsPhi(); }
	123	Int_t GetNumberOfCPVChipsZ(void) const { return fGeometryCPV->GetNumberOfCPVChipsZ(); }
	124	Int_t GetNumberOfCPVPadsPhi(void) const { return fGeometryCPV->GetNumberOfCPVPadsPhi(); }
	125	Int_t GetNumberOfCPVPadsZ(void) const { return fGeometryCPV->GetNumberOfCPVPadsZ(); }
	126	Float_t GetPadSizePhi(void) const { return fGeometryCPV->GetCPVPadSizePhi(); }
	127	Float_t GetPadSizeZ(void) const { return fGeometryCPV->GetCPVPadSizeZ(); }
	128	Float_t GetGassiplexChipSize(Int_t index) const { return fGeometryCPV->GetGassiplexChipSize(index); }
	129	Float_t GetCPVGasThickness(void) const { return fGeometryCPV->GetCPVGasThickness(); }
	130	Float_t GetCPVTextoliteThickness(void) const { return fGeometryCPV->GetCPVTextoliteThickness(); }
	131	Float_t GetCPVCuNiFoilThickness(void) const { return fGeometryCPV->GetCPVCuNiFoilThickness(); }
	132	Float_t GetFTPosition(Int_t index) const { return fGeometryCPV->GetFTPosition(index); }
	133	Float_t GetCPVFrameSize(Int_t index) const { return fGeometryCPV->GetCPVFrameSize(index); }
710f859a	134	Float_t GetCPVBoxSize(Int_t index) const { return fGeometryCPV ->GetCPVBoxSize(index); }
	135	Float_t GetIPtoCPVDistance(void) const { return GetIPtoOuterCoverDistance() -
	136	GetCPVBoxSize(1) - 1.0; }
52a36ffd	137
710f859a	138	// Return PHOS' support geometry parameters
ed19b2e1	139
	140	Float_t GetRailOuterSize(Int_t index) const { return fGeometrySUPP->GetRailOuterSize(index); }
	141	Float_t GetRailPart1 (Int_t index) const { return fGeometrySUPP->GetRailPart1 (index); }
	142	Float_t GetRailPart2 (Int_t index) const { return fGeometrySUPP->GetRailPart2 (index); }
	143	Float_t GetRailPart3 (Int_t index) const { return fGeometrySUPP->GetRailPart3 (index); }
	144	Float_t GetRailPos (Int_t index) const { return fGeometrySUPP->GetRailPos (index); }
710f859a	145	Float_t GetRailLength (void) const { return fGeometrySUPP->GetRailLength (); }
	146	Float_t GetDistanceBetwRails(void) const { return fGeometrySUPP->GetDistanceBetwRails(); }
	147	Float_t GetRailsDistanceFromIP(void) const { return fGeometrySUPP->GetRailsDistanceFromIP();}
ed19b2e1	148	Float_t GetRailRoadSize (Int_t index) const { return fGeometrySUPP->GetRailRoadSize (index); }
710f859a	149	Float_t GetCradleWallThickness(void) const { return fGeometrySUPP->GetCradleWallThickness();}
ed19b2e1	150	Float_t GetCradleWall (Int_t index) const { return fGeometrySUPP->GetCradleWall (index); }
ed19b2e1	151	Float_t GetCradleWheel (Int_t index) const { return fGeometrySUPP->GetCradleWheel (index); }
daa2ae2f	152
6c370def	153	protected:
6c370def	154
aafe457d	155	AliPHOSGeometry(const Text_t* name, const Text_t* title="") : AliGeometry(name, title) {
6c370def	156	// ctor only for internal usage (singleton)
6c370def	157	Init() ;
52a36ffd	158	}
52a36ffd	159	void Init(void) ; // steering method for PHOS and PPSD/CPV
6c370def	160
daa2ae2f	161	private:
6c370def	162
eb92d866	163	Int_t fNModules ; // Number of modules constituing PHOS
ed4205d8	164	Float_t fAngle ; // Position angles between modules
eb92d866	165	Float_t *fPHOSAngle ; //[fNModules] Position angles of modules
710f859a	166	Float_t fPHOSParams[4] ; // Half-sizes of PHOS trapecoid
710f859a	167	Float_t fIPtoUpperCPVsurface; // Minimal distance from IP to PHOS
eb92d866	168	TObjArray *fRotMatrixArray ; // Liste of rotation matrices (one per phos module)
eb92d866	169	AliPHOSEMCAGeometry *fGeometryEMCA ; // Geometry object for Electromagnetic calorimeter
ed4205d8	170	AliPHOSCPVGeometry *fGeometryCPV ; // Geometry object for CPV (IHEP)
ed19b2e1	171	AliPHOSSupportGeometry *fGeometrySUPP ; // Geometry object for PHOS support
52a36ffd	172
ed4205d8	173	void SetPHOSAngles(); // calculates the PHOS modules PHI angle
daa2ae2f	174
88714635	175	static AliPHOSGeometry * fgGeom ; // pointer to the unique instance of the singleton
52a36ffd	176	static Bool_t fgInit ; // Tells if geometry has been succesfully set up
daa2ae2f	177
52a36ffd	178	ClassDef(AliPHOSGeometry,1) // PHOS geometry class
daa2ae2f	179
	180	} ;
	181
	182	#endif // AliPHOSGEOMETRY_H