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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); | |
14 | AliITSsegmentationSSD(AliITSsegmentationSSD &source); | |
15 | virtual ~AliITSsegmentationSSD(){} | |
16 | AliITSsegmentationSSD& operator=(AliITSsegmentationSSD &source); | |
17 | ||
18 | ||
19 | // Detector size: x,z,y | |
0315d466 | 20 | virtual void SetDetSize(Float_t p1=72960.,Float_t p2=40000., |
21 | Float_t p3= 300.) | |
b0f5e3fc | 22 | {fDx=p1; fDz=p2; fDy=p3;} |
23 | ||
24 | // Strip size | |
ac74f489 | 25 | virtual void SetPadSize(Float_t pitch=95.,Float_t d=1.0) |
26 | {fPitch=pitch;d=1.;} | |
b0f5e3fc | 27 | |
28 | // Maximum number of strips along the two coordinates | |
ac74f489 | 29 | virtual void SetNPads(Int_t p1=768,Int_t d=1){fNstrips=p1;d=1;} |
5752a110 | 30 | // Returns the maximum number of cells (digits) posible |
31 | virtual Int_t GetNPads(){return 2*fNstrips;} | |
b0f5e3fc | 32 | |
33 | ||
34 | // Set stereo angles Pside-Nside | |
5752a110 | 35 | virtual void SetAngles(Float_t pa=0.0175, Float_t na=0.0175) |
0315d466 | 36 | {fStereoPl5=pa; fStereoNl5=na; |
37 | fStereoPl6=na; fStereoNl6=pa;} | |
38 | ||
39 | virtual void SetAnglesLay5(Float_t pa=0.0075, Float_t na=0.0275) | |
40 | {fStereoPl5=pa; fStereoNl5=na;} | |
41 | ||
42 | virtual void SetAnglesLay6(Float_t pa=0.0275, Float_t na=0.0075) | |
43 | {fStereoPl6=pa; fStereoNl6=na;} | |
fd61217e | 44 | |
45 | // Set stereo angles Pside-Nside | |
b0f5e3fc | 46 | // Transform from real coordinates to strips |
5752a110 | 47 | virtual void GetPadIxz(Float_t x ,Float_t z ,Int_t &iP,Int_t &iN); |
b0f5e3fc | 48 | // Transform from strips to real coordinates |
5752a110 | 49 | virtual void GetPadCxz(Int_t iP, Int_t iN, Float_t &x , Float_t &z); |
50 | virtual void GetPadTxz(Float_t &x , Float_t &z); | |
b0f5e3fc | 51 | |
52 | // Transform from real global to local coordinates | |
ac74f489 | 53 | virtual void GetLocal(Int_t,Float_t *,Float_t *) {} |
b0f5e3fc | 54 | // Transform from real local to global coordinates |
ac74f489 | 55 | virtual void GetGlobal(Int_t,Float_t *,Float_t *) {} |
5752a110 | 56 | // Transformation from Geant cm detector center local coordinates |
57 | // to detector P and N side strip numbers.. | |
58 | virtual void LocalToDet(Float_t x,Float_t z,Int_t &iP,Int_t &iN); | |
59 | // Transformation from detector segmentation/cell coordiantes starting | |
60 | // from 0. iPN=0 for P side and 1 for N side strip. Returned is z=0.0 | |
61 | // and the corresponding x value.. | |
62 | virtual void DetToLocal(Int_t ix,Int_t iPN,Float_t &x,Float_t &z); | |
63 | // Given one P side strip and one N side strip, Returns kTRUE if they | |
64 | // cross each other and the location of the two crossing strips and | |
65 | // their correxlation matrix c[2][2]. | |
66 | virtual Bool_t GetCrossing(Int_t iP,Int_t iN,Float_t &x,Float_t &z, | |
67 | Float_t c[2][2]); | |
0315d466 | 68 | |
b0f5e3fc | 69 | virtual void Init(); |
70 | ||
71 | // Detector type geometry | |
72 | virtual AliITSgeom* Geometry() {return 0;} | |
73 | // Detector length | |
74 | virtual Float_t Dx() {return fDx;} | |
75 | // Detector width | |
76 | virtual Float_t Dz() {return fDz;} | |
77 | // Detector thickness | |
78 | virtual Float_t Dy() {return fDy;} | |
79 | // Strip size in x | |
80 | virtual Float_t Dpx(Int_t) {return fPitch;} | |
81 | // Strip size in z | |
82 | virtual Float_t Dpz(Int_t) {return fDz;} | |
83 | // Maximum number of Strips in x | |
84 | virtual Int_t Npx() {return fNstrips;} | |
85 | // Maximum number of Strips in z | |
86 | virtual Int_t Npz(){return 1;} | |
87 | ||
0315d466 | 88 | // Angles : Pside stereo angle-Nside stereo angle |
89 | virtual void Angles(Float_t &aP,Float_t &aN); | |
90 | virtual void SetLayer(Int_t l); | |
91 | virtual Int_t GetLayer() const {return fLayer;} | |
92 | ||
b0f5e3fc | 93 | protected: |
94 | ||
95 | Int_t fNstrips; // Number of strips in x | |
5752a110 | 96 | Float_t fStereoP; // Stereo angle for Pside (rad) |
97 | Float_t fStereoN; // Stereo angle for Nside (rad) | |
0315d466 | 98 | Float_t fPitch; // Pitch of the strips |
b0f5e3fc | 99 | Float_t fDz; // Full width of the detector (z axis)- microns |
100 | Float_t fDx; // Full length of the detector (x axis)- microns | |
0315d466 | 101 | Float_t fDy; // Full thickness of the detector (y axis) -um |
102 | ||
103 | Float_t fStereoPl5; // Stereo angle for Pside | |
104 | Float_t fStereoNl5; // Stereo angle for Nside | |
105 | Float_t fStereoPl6; // Stereo angle for Pside | |
106 | Float_t fStereoNl6; // Stereo angle for Nside | |
107 | Int_t fLayer; | |
fd61217e | 108 | |
e8189707 | 109 | AliITSgeom *fGeom; //! pointer to the geometry class |
b0f5e3fc | 110 | TF1* fCorr; // correction function |
111 | ||
112 | ClassDef(AliITSsegmentationSSD,1) //Segmentation class for SSD | |
113 | }; | |
114 | ||
115 | #endif |