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1 | #ifndef ALIITSSEGMENTATIONSSD_H | |
2 | #define ALIITSSEGMENTATIONSSD_H | |
3 | ||
4 | #include "AliITSsegmentation.h" | |
5 | ||
6 | ////////////////////////////////////////////////////// | |
7 | // Segmentation class for SSD // | |
8 | // // | |
9 | ////////////////////////////////////////////////////// | |
10 | ||
11 | /* $Id$ */ | |
12 | ||
13 | class AliITSsegmentationSSD : | |
14 | public AliITSsegmentation { | |
15 | public: | |
16 | ||
17 | AliITSsegmentationSSD(Option_t *opt=""); | |
18 | AliITSsegmentationSSD(const AliITSsegmentationSSD &source); | |
19 | virtual ~AliITSsegmentationSSD(){} | |
20 | AliITSsegmentationSSD& operator=(const AliITSsegmentationSSD &source); | |
21 | ||
22 | ||
23 | // Strip size | |
24 | virtual void SetPadSize(Float_t pitch,Float_t /* d */) | |
25 | {fPitch=pitch;} | |
26 | ||
27 | // Maximum number of strips along the two coordinates | |
28 | virtual void SetNPads(Int_t p1,Int_t /* d */){fNstrips=p1;} | |
29 | // Returns the maximum number of cells (digits) posible | |
30 | virtual Int_t GetNPads() const {return 2*fNstrips;} | |
31 | ||
32 | ||
33 | // Set stereo angles Pside-Nside | |
34 | virtual void SetAngles(Float_t pa=0.0075, Float_t na=0.0275) | |
35 | {fStereoP=pa; fStereoN=na;} | |
36 | ||
37 | // Set stereo angles Pside-Nside | |
38 | // Transform from real coordinates to strips | |
39 | virtual void GetPadIxz(Float_t x ,Float_t z ,Int_t &iP,Int_t &iN) const; | |
40 | // Transform from strips to real coordinates | |
41 | void GetPadCxz(Float_t iP, Float_t iN, Float_t &x , Float_t &z) const; | |
42 | virtual void GetPadCxz(Int_t iP, Int_t iN, Float_t &x , Float_t &z) const { GetPadCxz((Float_t) iP, (Float_t) iN, x, z); } | |
43 | virtual void GetPadTxz(Float_t &x , Float_t &z) const; | |
44 | // Transformation from Geant cm detector center local coordinates | |
45 | // to detector P and N side strip numbers.. | |
46 | virtual Bool_t LocalToDet(Float_t x,Float_t z,Int_t &iP,Int_t &iN) const; | |
47 | // Transformation from detector segmentation/cell coordiantes starting | |
48 | // from 0. iPN=0 for P side and 1 for N side strip. Returned is z=0.0 | |
49 | // and the corresponding x value.. | |
50 | virtual void DetToLocal(Int_t ix,Int_t iPN,Float_t &x,Float_t &z) const; | |
51 | ||
52 | virtual Int_t GetNumberOfChips() const { | |
53 | return fgkNchipsPerSide; | |
54 | } | |
55 | virtual Int_t GetMaximumChipIndex() const{ | |
56 | return fgkNchipsPerSide*2-1; | |
57 | } | |
58 | virtual Int_t GetChipFromLocal(Float_t xloc, Float_t zloc) const; | |
59 | virtual Int_t GetChipFromChannel(Int_t ix, Int_t iz) const; | |
60 | virtual Int_t GetChipsInLocalWindow(Int_t* array, Float_t zmin, Float_t zmax, Float_t xmin, Float_t xmax) const; | |
61 | ||
62 | virtual void Init(); | |
63 | ||
64 | // Strip size in x | |
65 | virtual Float_t Dpx(Int_t) const {return fPitch;} | |
66 | // Strip size in z | |
67 | virtual Float_t Dpz(Int_t) const {return fDz;} | |
68 | // Maximum number of Strips in x | |
69 | virtual Int_t Npx() const {return fNstrips;} | |
70 | // Maximum number of Strips in z | |
71 | virtual Int_t Npz()const {return 1;} | |
72 | ||
73 | // Angles : Pside stereo angle-Nside stereo angle | |
74 | virtual void Angles(Float_t &aP,Float_t &aN) const; | |
75 | virtual void SetLayer(Int_t l); | |
76 | virtual Int_t GetLayer() const {return fLayer;} | |
77 | // Print Default parameters | |
78 | virtual void PrintDefaultParameters() const; | |
79 | ||
80 | protected: | |
81 | ||
82 | virtual void Copy(TObject &obj) const; | |
83 | ||
84 | Int_t fNstrips; // Number of strips in x | |
85 | Float_t fStereoP; // Stereo angle for Pside (rad) | |
86 | Float_t fStereoN; // Stereo angle for Nside (rad) | |
87 | Float_t fPitch; // Pitch of the strips | |
88 | ||
89 | Int_t fLayer; //! layer number (5 or 6) | |
90 | static const Float_t fgkDxDefault; // Default value for fDx | |
91 | static const Float_t fgkDzDefault; // Default value for fDz | |
92 | static const Float_t fgkDyDefault; // Default value for fDy | |
93 | static const Float_t fgkPitchDefault; //Default value for fPitch | |
94 | static const Int_t fgkNstripsDefault; //Default value for fNstrips | |
95 | static const Int_t fgkNchipsPerSide; //number of chips per side | |
96 | static const Int_t fgkNstripsPerChip; //number of strips per chip | |
97 | ||
98 | ClassDef(AliITSsegmentationSSD,4) //Segmentation class for SSD | |
99 | }; | |
100 | ||
101 | #endif |