1 #ifndef ALIITSSEGMENTATION_H
2 #define ALIITSSEGMENTATION_H
8 //----------------------------------------------
10 // ITS segmentation virtual base class
12 class AliITSsegmentation :
15 virtual ~AliITSsegmentation() {}
16 // Set Detector Segmentation Parameters
19 virtual void SetDetSize(Float_t Dx, Float_t Dz, Float_t Dy) {}
21 virtual void SetPadSize(Float_t p1, Float_t p2) {}
22 // Maximum number of cells along the two coordinates
23 virtual void SetNPads(Int_t p1, Int_t p2) {}
24 // Returns the maximum number of cells (digits) posible
25 virtual Int_t GetNPads(){return 0;}
26 // Set angles - find a generic name fit for other detectors as well
27 // might be useful for beam test setups (3 angles ?)
28 virtual void SetAngles(Float_t p1, Float_t p2) {}
30 virtual void SetLayer(Int_t l) {}
31 // Transform from real to cell coordinates
32 virtual void GetPadIxz(Float_t x ,Float_t z ,Int_t &ix,Int_t &iz) {}
33 // Transform from cell to real coordinates
34 virtual void GetPadCxz(Int_t ix, Int_t iz, Float_t &x ,Float_t &z ) {}
35 // Transform from real global to local coordinates
36 virtual void GetLocal(Int_t module,Float_t *g ,Float_t *l) {}
37 // Transform from real local to global coordinates
38 virtual void GetGlobal(Int_t module,Float_t *l ,Float_t *g) {}
39 // Local transformation of real local coordinates -
40 virtual void GetPadTxz(Float_t &x ,Float_t &z) {}
41 // Transformation from Geant cm detector center local coordinates
42 // to detector segmentation/cell coordiantes starting from (0,0).
43 virtual void LocalToDet(Float_t x,Float_t z,Int_t &ix,Int_t &iz){}
44 // Transformation from detector segmentation/cell coordiantes starting
45 // from (0,0) to Geant cm detector center local coordinates.
46 virtual void DetToLocal(Int_t ix,Int_t iz,Float_t &x,Float_t &z){}
48 virtual void Init() {}
52 // Detector type geometry
53 virtual AliITSgeom* Geometry() {return 0;}
55 virtual Float_t Dx() {return 0.;}
57 virtual Float_t Dz() {return 0.;}
59 virtual Float_t Dy() {return 0.;}
61 virtual Float_t Dpx(Int_t) {return 0.;}
63 virtual Float_t Dpz(Int_t) {return 0.;}
64 // Maximum number of Cells in x
65 virtual Int_t Npx() {return 0;}
66 // Maximum number of Cells in z
67 virtual Int_t Npz() {return 0;}
69 virtual Int_t GetLayer() const {return 0;}
71 virtual void Angles(Float_t &, Float_t&) {}
73 virtual void SetPad(Int_t, Int_t) {}
75 virtual void SetHit(Float_t, Float_t) {}
81 (Float_t xhit, Float_t zhit, Float_t dx, Float_t dz) {}
83 virtual void NextPad() {}
85 virtual Int_t MorePads() {return 0;}
87 // Get next neighbours
88 virtual void Neighbours(Int_t iX, Int_t iZ, Int_t* Nlist,
89 Int_t Xlist[10], Int_t Zlist[10]) {}
91 // Current cell cursor during disintegration
93 virtual Int_t Ix() {return 0;}
95 virtual Int_t Iz() {return 0;}
97 // Signal Generation Condition during Stepping
98 virtual Int_t SigGenCond(Float_t x, Float_t y, Float_t z) {return 0;}
99 // Initialise signal generation at coord (x,y,z)
100 virtual void SigGenInit(Float_t x, Float_t y, Float_t z) {}
101 // Current integration limits
102 virtual void IntegrationLimits
103 (Float_t& x1, Float_t& x2, Float_t& z1, Float_t& z2) {}
104 // Test points for auto calibration
105 virtual void GiveTestPoints(Int_t &n, Float_t *x, Float_t *z) {}
106 // Function for systematic corrections
107 // Set the correction function
108 virtual void SetCorrFunc(Int_t, TF1*) {}
109 // Get the correction Function
110 virtual TF1* CorrFunc(Int_t) {return 0;}
112 ClassDef(AliITSsegmentation,1) //Segmentation virtual base class