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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) |
0315d466 | 32 | {fStereoPl5=pa; fStereoNl5=na; |
33 | fStereoPl6=na; fStereoNl6=pa;} | |
34 | ||
35 | virtual void SetAnglesLay5(Float_t pa=0.0075, Float_t na=0.0275) | |
36 | {fStereoPl5=pa; fStereoNl5=na;} | |
37 | ||
38 | virtual void SetAnglesLay6(Float_t pa=0.0275, Float_t na=0.0075) | |
39 | {fStereoPl6=pa; fStereoNl6=na;} | |
fd61217e | 40 | |
41 | // Set stereo angles Pside-Nside | |
b0f5e3fc | 42 | // Transform from real coordinates to strips |
55d2c544 | 43 | virtual void GetPadIxz(Float_t x ,Float_t z ,Int_t &iP,Int_t &iN) const; |
b0f5e3fc | 44 | // Transform from strips to real coordinates |
55d2c544 | 45 | virtual void GetPadCxz(Int_t iP, Int_t iN, Float_t &x , Float_t &z) const; |
46 | virtual void GetPadTxz(Float_t &x , Float_t &z) const; | |
5752a110 | 47 | // Transformation from Geant cm detector center local coordinates |
48 | // to detector P and N side strip numbers.. | |
aacedc3e | 49 | virtual Bool_t LocalToDet(Float_t x,Float_t z,Int_t &iP,Int_t &iN) const; |
5752a110 | 50 | // Transformation from detector segmentation/cell coordiantes starting |
51 | // from 0. iPN=0 for P side and 1 for N side strip. Returned is z=0.0 | |
52 | // and the corresponding x value.. | |
55d2c544 | 53 | virtual void DetToLocal(Int_t ix,Int_t iPN,Float_t &x,Float_t &z) const; |
5752a110 | 54 | // Given one P side strip and one N side strip, Returns kTRUE if they |
55 | // cross each other and the location of the two crossing strips and | |
56 | // their correxlation matrix c[2][2]. | |
57 | virtual Bool_t GetCrossing(Int_t iP,Int_t iN,Float_t &x,Float_t &z, | |
58 | Float_t c[2][2]); | |
0315d466 | 59 | |
6d38396a | 60 | |
61 | virtual Int_t GetNumberOfChips() const { | |
62 | return fgkNchipsPerSide; | |
63 | } | |
64 | virtual Int_t GetChipFromLocal(Float_t xloc, Float_t zloc) const; | |
65 | virtual Int_t GetChipFromChannel(Int_t ix, Int_t iz) const; | |
23197852 | 66 | virtual Int_t GetChipsInLocalWindow(Int_t* array, Float_t zmin, Float_t zmax, Float_t xmin, Float_t xmax) const; |
6d38396a | 67 | |
b0f5e3fc | 68 | virtual void Init(); |
69 | ||
b0f5e3fc | 70 | // Strip size in x |
55d2c544 | 71 | virtual Float_t Dpx(Int_t) const {return fPitch;} |
b0f5e3fc | 72 | // Strip size in z |
55d2c544 | 73 | virtual Float_t Dpz(Int_t) const {return fDz;} |
b0f5e3fc | 74 | // Maximum number of Strips in x |
55d2c544 | 75 | virtual Int_t Npx() const {return fNstrips;} |
b0f5e3fc | 76 | // Maximum number of Strips in z |
55d2c544 | 77 | virtual Int_t Npz()const {return 1;} |
b0f5e3fc | 78 | |
0315d466 | 79 | // Angles : Pside stereo angle-Nside stereo angle |
55d2c544 | 80 | virtual void Angles(Float_t &aP,Float_t &aN) const; |
0315d466 | 81 | virtual void SetLayer(Int_t l); |
82 | virtual Int_t GetLayer() const {return fLayer;} | |
55d2c544 | 83 | // Print Default parameters |
84 | virtual void PrintDefaultParameters() const; | |
0315d466 | 85 | |
b0f5e3fc | 86 | protected: |
87 | ||
55d2c544 | 88 | virtual void Copy(TObject &obj) const; |
89 | ||
b0f5e3fc | 90 | Int_t fNstrips; // Number of strips in x |
5752a110 | 91 | Float_t fStereoP; // Stereo angle for Pside (rad) |
92 | Float_t fStereoN; // Stereo angle for Nside (rad) | |
0315d466 | 93 | Float_t fPitch; // Pitch of the strips |
0315d466 | 94 | |
95 | Float_t fStereoPl5; // Stereo angle for Pside | |
96 | Float_t fStereoNl5; // Stereo angle for Nside | |
97 | Float_t fStereoPl6; // Stereo angle for Pside | |
98 | Float_t fStereoNl6; // Stereo angle for Nside | |
55d2c544 | 99 | Int_t fLayer; //! layer number (5 or 6) |
100 | static const Float_t fgkDxDefault; // Default value for fDx | |
101 | static const Float_t fgkDzDefault; // Default value for fDz | |
102 | static const Float_t fgkDyDefault; // Default value for fDy | |
103 | static const Float_t fgkPitchDefault; //Default value for fPitch | |
104 | static const Int_t fgkNstripsDefault; //Default value for fNstrips | |
6d38396a | 105 | static const Int_t fgkNchipsPerSide; //number of chips per side |
106 | static const Int_t fgkNstripsPerChip; //number of strips per chip | |
55d2c544 | 107 | |
6d38396a | 108 | ClassDef(AliITSsegmentationSSD,3) //Segmentation class for SSD |
b0f5e3fc | 109 | }; |
110 | ||
111 | #endif |