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b0f5e3fc | 1 | #ifndef ALIITSSEGMENTATIONSSD_H |
2 | #define ALIITSSEGMENTATIONSSD_H | |
3 | ||
4 | #include "AliITSsegmentation.h" | |
5 | ||
6 | // segmentation for SSD | |
7 | ||
8 | class AliITSsegmentationSSD : | |
9 | public AliITSsegmentation { | |
10 | public: | |
11 | ||
12 | AliITSsegmentationSSD(); | |
13 | AliITSsegmentationSSD(AliITSgeom *gm); | |
55d2c544 | 14 | AliITSsegmentationSSD(const AliITSsegmentationSSD &source); |
b0f5e3fc | 15 | virtual ~AliITSsegmentationSSD(){} |
55d2c544 | 16 | AliITSsegmentationSSD& operator=(const AliITSsegmentationSSD &source); |
b0f5e3fc | 17 | |
18 | ||
b0f5e3fc | 19 | // Strip size |
55d2c544 | 20 | virtual void SetPadSize(Float_t pitch,Float_t /* d */) |
21 | {fPitch=pitch;} | |
b0f5e3fc | 22 | |
23 | // Maximum number of strips along the two coordinates | |
55d2c544 | 24 | virtual void SetNPads(Int_t p1,Int_t /* d */){fNstrips=p1;} |
5752a110 | 25 | // Returns the maximum number of cells (digits) posible |
55d2c544 | 26 | virtual Int_t GetNPads() const {return 2*fNstrips;} |
b0f5e3fc | 27 | |
28 | ||
29 | // Set stereo angles Pside-Nside | |
5752a110 | 30 | virtual void SetAngles(Float_t pa=0.0175, Float_t na=0.0175) |
0315d466 | 31 | {fStereoPl5=pa; fStereoNl5=na; |
32 | fStereoPl6=na; fStereoNl6=pa;} | |
33 | ||
34 | virtual void SetAnglesLay5(Float_t pa=0.0075, Float_t na=0.0275) | |
35 | {fStereoPl5=pa; fStereoNl5=na;} | |
36 | ||
37 | virtual void SetAnglesLay6(Float_t pa=0.0275, Float_t na=0.0075) | |
38 | {fStereoPl6=pa; fStereoNl6=na;} | |
fd61217e | 39 | |
40 | // Set stereo angles Pside-Nside | |
b0f5e3fc | 41 | // Transform from real coordinates to strips |
55d2c544 | 42 | virtual void GetPadIxz(Float_t x ,Float_t z ,Int_t &iP,Int_t &iN) const; |
b0f5e3fc | 43 | // Transform from strips to real coordinates |
55d2c544 | 44 | virtual void GetPadCxz(Int_t iP, Int_t iN, Float_t &x , Float_t &z) const; |
45 | virtual void GetPadTxz(Float_t &x , Float_t &z) const; | |
5752a110 | 46 | // Transformation from Geant cm detector center local coordinates |
47 | // to detector P and N side strip numbers.. | |
aacedc3e | 48 | virtual Bool_t LocalToDet(Float_t x,Float_t z,Int_t &iP,Int_t &iN) const; |
5752a110 | 49 | // Transformation from detector segmentation/cell coordiantes starting |
50 | // from 0. iPN=0 for P side and 1 for N side strip. Returned is z=0.0 | |
51 | // and the corresponding x value.. | |
55d2c544 | 52 | virtual void DetToLocal(Int_t ix,Int_t iPN,Float_t &x,Float_t &z) const; |
5752a110 | 53 | // Given one P side strip and one N side strip, Returns kTRUE if they |
54 | // cross each other and the location of the two crossing strips and | |
55 | // their correxlation matrix c[2][2]. | |
56 | virtual Bool_t GetCrossing(Int_t iP,Int_t iN,Float_t &x,Float_t &z, | |
57 | Float_t c[2][2]); | |
0315d466 | 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 | |
86 | Float_t fStereoPl5; // Stereo angle for Pside | |
87 | Float_t fStereoNl5; // Stereo angle for Nside | |
88 | Float_t fStereoPl6; // Stereo angle for Pside | |
89 | Float_t fStereoNl6; // Stereo angle for Nside | |
55d2c544 | 90 | Int_t fLayer; //! layer number (5 or 6) |
91 | static const Float_t fgkDxDefault; // Default value for fDx | |
92 | static const Float_t fgkDzDefault; // Default value for fDz | |
93 | static const Float_t fgkDyDefault; // Default value for fDy | |
94 | static const Float_t fgkPitchDefault; //Default value for fPitch | |
95 | static const Int_t fgkNstripsDefault; //Default value for fNstrips | |
96 | ||
97 | ClassDef(AliITSsegmentationSSD,2) //Segmentation class for SSD | |
b0f5e3fc | 98 | }; |
99 | ||
100 | #endif |