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