1 #ifndef ALIFMDGEOMETRY_H
2 #define ALIFMDGEOMETRY_H
3 /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights
6 * Latest changes by Christian Holm Christensen <cholm@nbi.dk>
8 * See cxx source for full Copyright notice
10 //____________________________________________________________________
12 // Forward Multiplicity Detector based on Silicon wafers.
14 // This class is a singleton that handles the geometry parameters of
18 # include <AliGeometry.h>
30 class AliFMDGeometryBuilder;
33 //__________________________________________________________________
34 /** Singleton object of FMD geometry descriptions and parameters.
36 class AliFMDGeometry : public AliGeometry
39 static AliFMDGeometry* Instance();
41 virtual void InitTransformations();
42 AliFMDRing* GetInner() const { return fInner; }
43 AliFMDRing* GetOuter() const { return fOuter; }
44 AliFMD1* GetFMD1() const { return (fUseFMD1 ? fFMD1 : 0); }
45 AliFMD2* GetFMD2() const { return (fUseFMD2 ? fFMD2 : 0); }
46 AliFMD3* GetFMD3() const { return (fUseFMD3 ? fFMD3 : 0); }
47 AliFMDDetector* GetDetector(Int_t i) const;
48 AliFMDRing* GetRing(Char_t i) const;
49 void Disable(Int_t i);
51 Double_t GetSiDensity() const { return 2.33; }
52 void Detector2XYZ(UShort_t detector, Char_t ring,
53 UShort_t sector, UShort_t strip,
54 Double_t& x, Double_t& y, Double_t& z) const;
55 Bool_t XYZ2Detector(Double_t x, Double_t y, Double_t z,
56 UShort_t& detector, Char_t& ring,
57 UShort_t& sector, UShort_t& strip) const;
59 Int_t GetDetectorOff() const { return fDetectorOff; }
60 Int_t GetModuleOff() const { return fModuleOff; }
61 Int_t GetRingOff() const { return fRingOff; }
62 Int_t GetSectorOff() const { return fSectorOff; }
63 void SetDetectorOff(Int_t off) { fDetectorOff = off; }
64 void SetModuleOff(Int_t off) { fModuleOff = off; }
65 void SetRingOff(Int_t off) { fRingOff = off; }
66 void SetSectorOff(Int_t off) { fSectorOff = off; }
67 Bool_t IsActive(Int_t vol) const;
68 void SetActive(Int_t* active, Int_t n);
69 void AddActive(Int_t id);
70 void SetBuilder(AliFMDGeometryBuilder* b) { fBuilder = b; }
71 void ExtractGeomInfo();
72 void SetDetailed(Bool_t det) { fDetailed = det; }
73 Bool_t IsDetailed() const { return fDetailed; }
74 void UseAssembly(Bool_t ass) { fUseAssembly = ass; }
76 // AliGeometry member functions
77 virtual void GetGlobal(const AliRecPoint* p, TVector3& pos,
79 virtual void GetGlobal(const AliRecPoint* p, TVector3& pos) const;
80 virtual Bool_t Impact(const TParticle* particle) const;
82 Bool_t fIsInitialized; // Whether singleton is initalized
83 AliFMDRing* fInner; // Inner ring geometry information
84 AliFMDRing* fOuter; // Outer ring geometry information
85 AliFMD1* fFMD1; // FMD1 geometry information
86 AliFMD2* fFMD2; // FMD2 geometry information
87 AliFMD3* fFMD3; // FMD3 geometry information
88 Bool_t fUseFMD1; // Wheter to Use FMD1 or not
89 Bool_t fUseFMD2; // Wheter to Use FMD2 or not
90 Bool_t fUseFMD3; // Wheter to Use FMD3 or not
91 static AliFMDGeometry* fgInstance; // Singleton instance
93 AliFMDGeometry(const AliFMDGeometry& other);
94 AliFMDGeometry& operator=(const AliFMDGeometry& other);
95 virtual ~AliFMDGeometry() {}
97 AliFMDGeometryBuilder* fBuilder;
106 ClassDef(AliFMDGeometry,1); //
111 //____________________________________________________________________