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b0f5e3fc | 1 | #ifndef ALIITSSEGMENTATIONSSD_H |
2 | #define ALIITSSEGMENTATIONSSD_H | |
3 | ||
4 | #include "AliITSsegmentation.h" | |
5 | ||
6 | // segmentation for SSD | |
7 | ||
6d38396a | 8 | /* $Id$ */ |
9 | ||
b0f5e3fc | 10 | class AliITSsegmentationSSD : |
11 | public AliITSsegmentation { | |
12 | public: | |
13 | ||
c9649d1e | 14 | AliITSsegmentationSSD(Option_t *opt=""); |
55d2c544 | 15 | AliITSsegmentationSSD(const AliITSsegmentationSSD &source); |
b0f5e3fc | 16 | virtual ~AliITSsegmentationSSD(){} |
55d2c544 | 17 | AliITSsegmentationSSD& operator=(const AliITSsegmentationSSD &source); |
b0f5e3fc | 18 | |
19 | ||
b0f5e3fc | 20 | // Strip size |
55d2c544 | 21 | virtual void SetPadSize(Float_t pitch,Float_t /* d */) |
22 | {fPitch=pitch;} | |
b0f5e3fc | 23 | |
24 | // Maximum number of strips along the two coordinates | |
55d2c544 | 25 | virtual void SetNPads(Int_t p1,Int_t /* d */){fNstrips=p1;} |
5752a110 | 26 | // Returns the maximum number of cells (digits) posible |
55d2c544 | 27 | virtual Int_t GetNPads() const {return 2*fNstrips;} |
b0f5e3fc | 28 | |
29 | ||
30 | // Set stereo angles Pside-Nside | |
fa4f0f62 | 31 | virtual void SetAngles(Float_t pa=0.0075, Float_t na=0.0275) |
82adfb7d | 32 | {fStereoP=pa; fStereoN=na;} |
fd61217e | 33 | |
34 | // Set stereo angles Pside-Nside | |
b0f5e3fc | 35 | // Transform from real coordinates to strips |
55d2c544 | 36 | virtual void GetPadIxz(Float_t x ,Float_t z ,Int_t &iP,Int_t &iN) const; |
b0f5e3fc | 37 | // Transform from strips to real coordinates |
8be4e1b1 | 38 | void GetPadCxz(Float_t iP, Float_t iN, Float_t &x , Float_t &z) const; |
39 | 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); } | |
55d2c544 | 40 | virtual void GetPadTxz(Float_t &x , Float_t &z) const; |
5752a110 | 41 | // Transformation from Geant cm detector center local coordinates |
42 | // to detector P and N side strip numbers.. | |
aacedc3e | 43 | virtual Bool_t LocalToDet(Float_t x,Float_t z,Int_t &iP,Int_t &iN) const; |
5752a110 | 44 | // Transformation from detector segmentation/cell coordiantes starting |
45 | // from 0. iPN=0 for P side and 1 for N side strip. Returned is z=0.0 | |
46 | // and the corresponding x value.. | |
55d2c544 | 47 | virtual void DetToLocal(Int_t ix,Int_t iPN,Float_t &x,Float_t &z) const; |
6d38396a | 48 | |
49 | virtual Int_t GetNumberOfChips() const { | |
50 | return fgkNchipsPerSide; | |
51 | } | |
65063164 | 52 | virtual Int_t GetMaximumChipIndex() const{ |
53 | return fgkNchipsPerSide*2-1; | |
54 | } | |
6d38396a | 55 | virtual Int_t GetChipFromLocal(Float_t xloc, Float_t zloc) const; |
56 | virtual Int_t GetChipFromChannel(Int_t ix, Int_t iz) const; | |
23197852 | 57 | virtual Int_t GetChipsInLocalWindow(Int_t* array, Float_t zmin, Float_t zmax, Float_t xmin, Float_t xmax) const; |
6d38396a | 58 | |
b0f5e3fc | 59 | virtual void Init(); |
60 | ||
b0f5e3fc | 61 | // Strip size in x |
55d2c544 | 62 | virtual Float_t Dpx(Int_t) const {return fPitch;} |
b0f5e3fc | 63 | // Strip size in z |
55d2c544 | 64 | virtual Float_t Dpz(Int_t) const {return fDz;} |
b0f5e3fc | 65 | // Maximum number of Strips in x |
55d2c544 | 66 | virtual Int_t Npx() const {return fNstrips;} |
b0f5e3fc | 67 | // Maximum number of Strips in z |
55d2c544 | 68 | virtual Int_t Npz()const {return 1;} |
b0f5e3fc | 69 | |
0315d466 | 70 | // Angles : Pside stereo angle-Nside stereo angle |
55d2c544 | 71 | virtual void Angles(Float_t &aP,Float_t &aN) const; |
0315d466 | 72 | virtual void SetLayer(Int_t l); |
73 | virtual Int_t GetLayer() const {return fLayer;} | |
55d2c544 | 74 | // Print Default parameters |
75 | virtual void PrintDefaultParameters() const; | |
0315d466 | 76 | |
b0f5e3fc | 77 | protected: |
78 | ||
55d2c544 | 79 | virtual void Copy(TObject &obj) const; |
80 | ||
b0f5e3fc | 81 | Int_t fNstrips; // Number of strips in x |
5752a110 | 82 | Float_t fStereoP; // Stereo angle for Pside (rad) |
83 | Float_t fStereoN; // Stereo angle for Nside (rad) | |
0315d466 | 84 | Float_t fPitch; // Pitch of the strips |
0315d466 | 85 | |
55d2c544 | 86 | Int_t fLayer; //! layer number (5 or 6) |
87 | static const Float_t fgkDxDefault; // Default value for fDx | |
88 | static const Float_t fgkDzDefault; // Default value for fDz | |
89 | static const Float_t fgkDyDefault; // Default value for fDy | |
90 | static const Float_t fgkPitchDefault; //Default value for fPitch | |
91 | static const Int_t fgkNstripsDefault; //Default value for fNstrips | |
6d38396a | 92 | static const Int_t fgkNchipsPerSide; //number of chips per side |
93 | static const Int_t fgkNstripsPerChip; //number of strips per chip | |
55d2c544 | 94 | |
82adfb7d | 95 | ClassDef(AliITSsegmentationSSD,4) //Segmentation class for SSD |
b0f5e3fc | 96 | }; |
97 | ||
98 | #endif |