1 #ifndef ALIITSSEGMENTATIONSSD_H
2 #define ALIITSSEGMENTATIONSSD_H
4 #include "AliITSsegmentation.h"
6 // segmentation for SSD
8 class AliITSsegmentationSSD :
9 public AliITSsegmentation {
12 AliITSsegmentationSSD();
13 AliITSsegmentationSSD(AliITSgeom *gm);
14 AliITSsegmentationSSD(AliITSsegmentationSSD &source);
15 virtual ~AliITSsegmentationSSD(){}
16 AliITSsegmentationSSD& operator=(AliITSsegmentationSSD &source);
19 // Detector size: x,z,y
20 virtual void SetDetSize
21 (Float_t p1=72960., Float_t p2=40000., Float_t p3= 300.)
22 {fDx=p1; fDz=p2; fDy=p3;}
25 virtual void SetPadSize(Float_t pitch=95., Float_t dummy=1.)
28 // Maximum number of strips along the two coordinates
29 virtual void SetNPads(Int_t p1=768, Int_t dummy=1)
33 // Set stereo angles Pside-Nside
34 virtual void SetAngles(Float_t pa=0.0075, Float_t na=0.0275)
35 {fStereoPl5=pa; fStereoNl5=na; fStereoPl6=na; fStereoNl6=pa;}
37 virtual void SetAnglesLay5(Float_t pa=0.0075, Float_t na=0.0275)
38 {fStereoPl5=pa; fStereoNl5=na;}
40 virtual void SetAnglesLay6(Float_t pa=0.0275, Float_t na=0.0075)
41 {fStereoPl6=pa; fStereoNl6=na;}
43 // Set stereo angles Pside-Nside
44 // Transform from real coordinates to strips
45 virtual void GetPadIxz
46 (Float_t x ,Float_t z ,Int_t &iP,Int_t &iN);
47 // Transform from strips to real coordinates
48 virtual void GetPadCxz
49 (Int_t iP, Int_t iN, Float_t &x , Float_t &z);
51 // Transform from real global to local coordinates
52 virtual void GetLocal(Int_t module,Float_t *g ,Float_t *l) {}
53 // Transform from real local to global coordinates
54 virtual void GetGlobal(Int_t module,Float_t *l ,Float_t *g) {}
58 // Detector type geometry
59 virtual AliITSgeom* Geometry() {return 0;}
61 virtual Float_t Dx() {return fDx;}
63 virtual Float_t Dz() {return fDz;}
65 virtual Float_t Dy() {return fDy;}
67 virtual Float_t Dpx(Int_t) {return fPitch;}
69 virtual Float_t Dpz(Int_t) {return fDz;}
70 // Maximum number of Strips in x
71 virtual Int_t Npx() {return fNstrips;}
72 // Maximum number of Strips in z
73 virtual Int_t Npz(){return 1;}
75 // Angles : Pside stereo angle-Nside stereo angle
76 virtual void Angles(Float_t &aP,Float_t &aN);
77 virtual void SetLayer(Int_t l);
78 virtual Int_t GetLayer() const {return fLayer;}
82 Int_t fNstrips; // Number of strips in x
83 Float_t fStereoP; // Stereo angle for Pside
84 Float_t fStereoN; // Stereo angle for Nside
85 Float_t fPitch; // Pitch of the strips
86 Float_t fDz; // Full width of the detector (z axis)- microns
87 Float_t fDx; // Full length of the detector (x axis)- microns
88 Float_t fDy; // Full thickness of the detector (y axis) -um
90 Float_t fStereoPl5; // Stereo angle for Pside
91 Float_t fStereoNl5; // Stereo angle for Nside
92 Float_t fStereoPl6; // Stereo angle for Pside
93 Float_t fStereoNl6; // Stereo angle for Nside
96 AliITSgeom *fGeom; //! pointer to the geometry class
97 TF1* fCorr; // correction function
99 ClassDef(AliITSsegmentationSSD,1) //Segmentation class for SSD