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,Float_t,Float_t) {}
21 virtual void SetPadSize(Float_t,Float_t) {}
22 // Maximum number of cells along the two coordinates
23 virtual void SetNPads(Int_t,Int_t) {}
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, Float_t) {}
30 virtual void SetLayer(Int_t) {}
31 // Transform from real to cell coordinates
32 virtual void GetPadIxz(Float_t,Float_t,Int_t &,Int_t &) {}
33 // Transform from cell to real coordinates
34 virtual void GetPadCxz(Int_t,Int_t,Float_t &,Float_t &) {}
35 // Transform from real global to local coordinates
36 virtual void GetLocal(Int_t,Float_t *,Float_t *) {}
37 // Transform from real local to global coordinates
38 virtual void GetGlobal(Int_t,Float_t *,Float_t *) {}
39 // Local transformation of real local coordinates -
40 virtual void GetPadTxz(Float_t &,Float_t &) {}
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,Float_t,Int_t &,Int_t &){}
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,Int_t,Float_t &,Float_t &){}
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) {}
80 virtual void FirstPad(Float_t,Float_t,Float_t,Float_t) {}
82 virtual void NextPad() {}
84 virtual Int_t MorePads() {return 0;}
86 // Get next neighbours
87 virtual void Neighbours(Int_t,Int_t,Int_t*,Int_t[10],Int_t[10]) {}
89 // Current cell cursor during disintegration
91 virtual Int_t Ix() {return 0;}
93 virtual Int_t Iz() {return 0;}
95 // Signal Generation Condition during Stepping
96 virtual Int_t SigGenCond(Float_t,Float_t,Float_t) {return 0;}
97 // Initialise signal generation at coord (x,y,z)
98 virtual void SigGenInit(Float_t,Float_t,Float_t) {}
99 // Current integration limits
100 virtual void IntegrationLimits(Float_t&,Float_t&,Float_t&,Float_t&) {}
101 // Test points for auto calibration
102 virtual void GiveTestPoints(Int_t &,Float_t *,Float_t *) {}
103 // Function for systematic corrections
104 // Set the correction function
105 virtual void SetCorrFunc(Int_t, TF1*) {}
106 // Get the correction Function
107 virtual TF1* CorrFunc(Int_t) {return 0;}
109 ClassDef(AliITSsegmentation,1) //Segmentation virtual base class