[u/mrichter/AliRoot.git] / FMD / AliFMDGeometry.h

#ifndef ALIFMDGEOMETRY_H
#define ALIFMDGEOMETRY_H
//____________________________________________________________________ 
//  
// $Id$ 
//
// Forward Multiplicity Detector based on Silicon wafers. 
//
// This class is a singleton that handles the geometry parameters of
// the FMD detectors.  
//                                                       
#ifndef ALIGEOMETRY_H
# include <AliGeometry.h>
#endif
class TVector3;
class TMatrix;
class TParticle;
class AliRecPoint;
class AliFMDRing;
class AliFMDDetector;
class AliFMD1;
class AliFMD2;
class AliFMD3;


//__________________________________________________________________
/** Singleton object of FMD geometry descriptions and parameters.
 */
class AliFMDGeometry : public AliGeometry
{
public:
  static AliFMDGeometry* Instance();
  virtual void Init();
  AliFMDRing*     GetInner() const { return fInner; }
  AliFMDRing*     GetOuter() const { return fOuter; }
  AliFMD1*        GetFMD1()  const { return (fUseFMD1 ? fFMD1 : 0); }
  AliFMD2*        GetFMD2()  const { return (fUseFMD2 ? fFMD2 : 0); }
  AliFMD3*        GetFMD3()  const { return (fUseFMD3 ? fFMD3 : 0); }
  AliFMDDetector* GetDetector(Int_t i) const;
  AliFMDRing*     GetRing(Char_t i) const;
  void            Disable(Int_t i);
  void            Enable(Int_t i);
  Double_t        GetSiDensity() const { return 2.33; }
  void Detector2XYZ(UShort_t detector, 
		    Char_t ring, UShort_t sector, UShort_t strip, 
		    Double_t& x, Double_t& y, Double_t& z) const;

  // AliGeometry member functions 
  virtual void GetGlobal(const AliRecPoint* p, TVector3& pos, 
			 TMatrix& mat) const;
  virtual void GetGlobal(const AliRecPoint* p, TVector3& pos) const;
  virtual Bool_t Impact(const TParticle* particle) const;
protected:
  Bool_t        fIsInitialized; // Whether singleton is initalized
  AliFMDRing*	fInner;		// Inner ring geometry information
  AliFMDRing*	fOuter;		// Outer ring geometry information
  AliFMD1*	fFMD1;		// FMD1 geometry information
  AliFMD2*	fFMD2;		// FMD2 geometry information
  AliFMD3*	fFMD3;		// FMD3 geometry information
  Bool_t	fUseFMD1;	// Wheter to Use FMD1 or not
  Bool_t	fUseFMD2;	// Wheter to Use FMD2 or not
  Bool_t	fUseFMD3;	// Wheter to Use FMD3 or not
  static AliFMDGeometry* fgInstance; // Singleton instance 
  AliFMDGeometry();
  AliFMDGeometry(const AliFMDGeometry& other);
  AliFMDGeometry& operator=(const AliFMDGeometry& other);
  virtual ~AliFMDGeometry() {}
  
  ClassDef(AliFMDGeometry,1); //
};


#endif
//____________________________________________________________________
//
// Local Variables:
//   mode: C++
// End:
//
// EOF
//
Commit	Line	Data
1a1fdef7	1	#ifndef ALIFMDGEOMETRY_H
	2	#define ALIFMDGEOMETRY_H
	3	//____________________________________________________________________
	4	//
	5	// $Id$
	6	//
69b696b9	7	// Forward Multiplicity Detector based on Silicon wafers.
	8	//
	9	// This class is a singleton that handles the geometry parameters of
	10	// the FMD detectors.
	11	//
1a1fdef7	12	#ifndef ALIGEOMETRY_H
	13	# include <AliGeometry.h>
	14	#endif
1a1fdef7	15	class TVector3;
	16	class TMatrix;
	17	class TParticle;
	18	class AliRecPoint;
	19	class AliFMDRing;
	20	class AliFMDDetector;
	21	class AliFMD1;
	22	class AliFMD2;
	23	class AliFMD3;
	24
	25
	26	//__________________________________________________________________
	27	/** Singleton object of FMD geometry descriptions and parameters.
	28	*/
	29	class AliFMDGeometry : public AliGeometry
	30	{
	31	public:
	32	static AliFMDGeometry* Instance();
	33	virtual void Init();
	34	AliFMDRing* GetInner() const { return fInner; }
	35	AliFMDRing* GetOuter() const { return fOuter; }
	36	AliFMD1* GetFMD1() const { return (fUseFMD1 ? fFMD1 : 0); }
	37	AliFMD2* GetFMD2() const { return (fUseFMD2 ? fFMD2 : 0); }
	38	AliFMD3* GetFMD3() const { return (fUseFMD3 ? fFMD3 : 0); }
	39	AliFMDDetector* GetDetector(Int_t i) const;
	40	AliFMDRing* GetRing(Char_t i) const;
	41	void Disable(Int_t i);
	42	void Enable(Int_t i);
	43	Double_t GetSiDensity() const { return 2.33; }
	44	void Detector2XYZ(UShort_t detector,
	45	Char_t ring, UShort_t sector, UShort_t strip,
	46	Double_t& x, Double_t& y, Double_t& z) const;
	47
	48	// AliGeometry member functions
	49	virtual void GetGlobal(const AliRecPoint* p, TVector3& pos,
	50	TMatrix& mat) const;
	51	virtual void GetGlobal(const AliRecPoint* p, TVector3& pos) const;
	52	virtual Bool_t Impact(const TParticle* particle) const;
	53	protected:
69b696b9	54	Bool_t fIsInitialized; // Whether singleton is initalized
1a1fdef7	55	AliFMDRing* fInner; // Inner ring geometry information
	56	AliFMDRing* fOuter; // Outer ring geometry information
	57	AliFMD1* fFMD1; // FMD1 geometry information
	58	AliFMD2* fFMD2; // FMD2 geometry information
	59	AliFMD3* fFMD3; // FMD3 geometry information
	60	Bool_t fUseFMD1; // Wheter to Use FMD1 or not
	61	Bool_t fUseFMD2; // Wheter to Use FMD2 or not
	62	Bool_t fUseFMD3; // Wheter to Use FMD3 or not
69b696b9	63	static AliFMDGeometry* fgInstance; // Singleton instance
1a1fdef7	64	AliFMDGeometry();
69b696b9	65	AliFMDGeometry(const AliFMDGeometry& other);
69b696b9	66	AliFMDGeometry& operator=(const AliFMDGeometry& other);
1a1fdef7	67	virtual ~AliFMDGeometry() {}
69b696b9	68
1a1fdef7	69	ClassDef(AliFMDGeometry,1); //
	70	};
	71
	72
	73	#endif
	74	//____________________________________________________________________
	75	//
	76	// Local Variables:
	77	// mode: C++
	78	// End:
	79	//
	80	// EOF
	81	//