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1 | #ifndef ALIFMDGEOMETRY_H | |
2 | #define ALIFMDGEOMETRY_H | |
3 | /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights | |
4 | * reserved. | |
5 | * | |
6 | * Latest changes by Christian Holm Christensen <cholm@nbi.dk> | |
7 | * | |
8 | * See cxx source for full Copyright notice | |
9 | */ | |
10 | //____________________________________________________________________ | |
11 | // | |
12 | // Forward Multiplicity Detector based on Silicon wafers. | |
13 | // | |
14 | // This class is a singleton that handles the geometry parameters of | |
15 | // the FMD detectors. | |
16 | // | |
17 | #ifndef ALIGEOMETRY_H | |
18 | # include <AliGeometry.h> | |
19 | #endif | |
20 | #ifndef ROOT_TArrayI | |
21 | # include <TArrayI.h> | |
22 | #endif | |
23 | #ifndef ROOT_TMatrixFfwd | |
24 | # include <TMatrixFfwd.h> | |
25 | #endif | |
26 | class TVector3; | |
27 | class TParticle; | |
28 | class AliRecPoint; | |
29 | class AliFMDRing; | |
30 | class AliFMDDetector; | |
31 | class AliFMD1; | |
32 | class AliFMD2; | |
33 | class AliFMD3; | |
34 | class AliFMDGeometryBuilder; | |
35 | ||
36 | ||
37 | //__________________________________________________________________ | |
38 | /** Singleton object of FMD geometry descriptions and parameters. | |
39 | */ | |
40 | class AliFMDGeometry : public AliGeometry | |
41 | { | |
42 | public: | |
43 | static AliFMDGeometry* Instance(); | |
44 | virtual void Init(); | |
45 | virtual void InitTransformations(); | |
46 | AliFMDRing* GetInner() const { return fInner; } | |
47 | AliFMDRing* GetOuter() const { return fOuter; } | |
48 | AliFMD1* GetFMD1() const { return (fUseFMD1 ? fFMD1 : 0); } | |
49 | AliFMD2* GetFMD2() const { return (fUseFMD2 ? fFMD2 : 0); } | |
50 | AliFMD3* GetFMD3() const { return (fUseFMD3 ? fFMD3 : 0); } | |
51 | AliFMDDetector* GetDetector(Int_t i) const; | |
52 | AliFMDRing* GetRing(Char_t i) const; | |
53 | void Disable(Int_t i); | |
54 | void Enable(Int_t i); | |
55 | Double_t GetSiDensity() const { return 2.33; } | |
56 | void Detector2XYZ(UShort_t detector, Char_t ring, | |
57 | UShort_t sector, UShort_t strip, | |
58 | Double_t& x, Double_t& y, Double_t& z) const; | |
59 | Bool_t XYZ2Detector(Double_t x, Double_t y, Double_t z, | |
60 | UShort_t& detector, Char_t& ring, | |
61 | UShort_t& sector, UShort_t& strip) const; | |
62 | void Build(); | |
63 | Int_t GetDetectorOff() const { return fDetectorOff; } | |
64 | Int_t GetModuleOff() const { return fModuleOff; } | |
65 | Int_t GetRingOff() const { return fRingOff; } | |
66 | Int_t GetSectorOff() const { return fSectorOff; } | |
67 | void SetDetectorOff(Int_t off) { fDetectorOff = off; } | |
68 | void SetModuleOff(Int_t off) { fModuleOff = off; } | |
69 | void SetRingOff(Int_t off) { fRingOff = off; } | |
70 | void SetSectorOff(Int_t off) { fSectorOff = off; } | |
71 | Bool_t IsActive(Int_t vol) const; | |
72 | void SetActive(Int_t* active, Int_t n); | |
73 | void AddActive(Int_t id); | |
74 | void SetBuilder(AliFMDGeometryBuilder* b) { fBuilder = b; } | |
75 | void ExtractGeomInfo(); | |
76 | void SetDetailed(Bool_t det) { fDetailed = det; } | |
77 | Bool_t IsDetailed() const { return fDetailed; } | |
78 | void UseAssembly(Bool_t ass) { fUseAssembly = ass; } | |
79 | ||
80 | // AliGeometry member functions | |
81 | virtual void GetGlobal(const AliRecPoint* p, TVector3& pos, | |
82 | TMatrixF& mat) const; | |
83 | virtual void GetGlobal(const AliRecPoint* p, TVector3& pos) const; | |
84 | virtual Bool_t Impact(const TParticle* particle) const; | |
85 | protected: | |
86 | Bool_t fIsInitialized; // Whether singleton is initalized | |
87 | AliFMDRing* fInner; // Inner ring geometry information | |
88 | AliFMDRing* fOuter; // Outer ring geometry information | |
89 | AliFMD1* fFMD1; // FMD1 geometry information | |
90 | AliFMD2* fFMD2; // FMD2 geometry information | |
91 | AliFMD3* fFMD3; // FMD3 geometry information | |
92 | Bool_t fUseFMD1; // Wheter to Use FMD1 or not | |
93 | Bool_t fUseFMD2; // Wheter to Use FMD2 or not | |
94 | Bool_t fUseFMD3; // Wheter to Use FMD3 or not | |
95 | static AliFMDGeometry* fgInstance; // Singleton instance | |
96 | AliFMDGeometry(); | |
97 | AliFMDGeometry(const AliFMDGeometry& other); | |
98 | AliFMDGeometry& operator=(const AliFMDGeometry& other); | |
99 | virtual ~AliFMDGeometry() {} | |
100 | ||
101 | AliFMDGeometryBuilder* fBuilder; | |
102 | Int_t fDetectorOff; | |
103 | Int_t fModuleOff; | |
104 | Int_t fRingOff; | |
105 | Int_t fSectorOff; | |
106 | TArrayI fActive; | |
107 | Bool_t fDetailed; | |
108 | Bool_t fUseAssembly; | |
109 | ||
110 | ClassDef(AliFMDGeometry,1); // | |
111 | }; | |
112 | ||
113 | ||
114 | #endif | |
115 | //____________________________________________________________________ | |
116 | // | |
117 | // Local Variables: | |
118 | // mode: C++ | |
119 | // End: | |
120 | // | |
121 | // EOF | |
122 | // |