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=0.0175, Float_t na=0.0175)
35 {fStereoP=pa; fStereoN=na;}
37 // Transform from real coordinates to strips
38 virtual void GetPadIxz
39 (Float_t x ,Float_t z ,Int_t &iP,Int_t &iN);
40 // Transform from strips to real coordinates
41 virtual void GetPadCxz
42 (Int_t iP, Int_t iN, Float_t &x , Float_t &z);
44 // Transform from real global to local coordinates
45 virtual void GetLocal(Int_t module,Float_t *g ,Float_t *l) {}
46 // Transform from real local to global coordinates
47 virtual void GetGlobal(Int_t module,Float_t *l ,Float_t *g) {}
51 // Detector type geometry
52 virtual AliITSgeom* Geometry() {return 0;}
54 virtual Float_t Dx() {return fDx;}
56 virtual Float_t Dz() {return fDz;}
58 virtual Float_t Dy() {return fDy;}
60 virtual Float_t Dpx(Int_t) {return fPitch;}
62 virtual Float_t Dpz(Int_t) {return fDz;}
63 // Maximum number of Strips in x
64 virtual Int_t Npx() {return fNstrips;}
65 // Maximum number of Strips in z
66 virtual Int_t Npz(){return 1;}
68 // Angles : Pside stereo angle-Nside stereo angle
69 virtual void Angles(Float_t &aP,Float_t &aN)
70 {aP=fStereoP;aN=fStereoN;}
74 Int_t fNstrips; // Number of strips in x
75 Float_t fStereoP; // Stereo angle for Pside
76 Float_t fStereoN; // Stereo angle for Nside
77 Float_t fPitch; // Pitch of the strips
78 Float_t fDz; // Full width of the detector (z axis)- microns
79 Float_t fDx; // Full length of the detector (x axis)- microns
80 Float_t fDy; // Full thickness of the detector (y axis) -um
82 AliITSgeom *fGeom; //! pointer to the geometry class
83 TF1* fCorr; // correction function
85 ClassDef(AliITSsegmentationSSD,1) //Segmentation class for SSD