1 #ifndef ALIITSSEGMENTATIONSPD_H
2 #define ALIITSSEGMENTATIONSPD_H
4 #include "AliITSsegmentation.h"
9 // segmentation and response for SPD
11 class AliITSsegmentationSPD :
12 public AliITSsegmentation {
15 AliITSsegmentationSPD();
16 AliITSsegmentationSPD(AliITSgeom *gm);
17 AliITSsegmentationSPD(const AliITSsegmentationSPD &source);
18 virtual ~AliITSsegmentationSPD(){}
19 AliITSsegmentationSPD& operator=(const AliITSsegmentationSPD &source);
21 // Set Detector Segmentation Parameters
23 // Maximum number of pixels along the two coordinates
24 virtual void SetNPads(Int_t p1, Int_t p2);
25 // Returns the maximum number of cells (digits) posible
26 virtual Int_t GetNPads() const {return fNpx*fNpz;}
27 // Set Pixel Size Array in x and z, microns.
28 virtual void SetBinSize(Float_t *x,Float_t *z);
30 // Transform from real to pixel coordinates
31 virtual void GetPadIxz(Float_t x,Float_t z,Int_t &ix,Int_t &iz) const;
32 // Transform from pixel to real coordinates
33 virtual void GetPadCxz(Int_t ix,Int_t iz,Float_t &x,Float_t &z) const;
34 // Transform from real local to global coordinates
35 //virtual void GetGlobal(Int_t module,Float_t *l ,Float_t *g) {}
36 // Local transformation of real local coordinates -
37 virtual void GetPadTxz(Float_t &x ,Float_t &z) const;
38 // Transformation from Geant cm detector center local coordinates
39 // to detector segmentation/cell coordiantes starting from (0,0).
40 virtual void LocalToDet(Float_t x,Float_t z,Int_t &ix,Int_t &iz) const;
41 // Transformation from detector segmentation/cell coordiantes starting
42 // from (0,0) to Geant cm detector center local coordinates.
43 virtual void DetToLocal(Int_t ix,Int_t iz,Float_t &x,Float_t &z) const;
44 // Returns the Cell upper and lower boundries in x and y. cell indexes
45 // starting from (0,0) and return Geant cm detector centered local
46 // coordinates, consistant with DetToLocal and LocalToDet functions above.
47 virtual void CellBoundries(Int_t ix,Int_t iz,Double_t &xl,Double_t &xu,
48 Double_t &zl,Double_t &zu) const;
52 virtual void Init300();
57 virtual Float_t Dpx(Int_t ix) const;
59 virtual Float_t Dpz(Int_t iz) const;
61 // Maximum number of Pixels in x
62 virtual Int_t Npx() const {return fNpx;}
63 // Maximum number of Pixels in z
64 virtual Int_t Npz() const {return fNpz;}
66 // Get next neighbours
67 virtual void Neighbours
68 (Int_t iX,Int_t iZ,Int_t* Nlist,Int_t Xlist[10],Int_t Zlist[10]) const;
69 // Print default parameters (static const data members, if any)
70 virtual void PrintDefaultParameters() const
71 {Warning("PrintDefaultParameters","No def. parameters defined as const static data members\n");}
75 virtual void Copy(TObject &obj) const;
76 Int_t fNpx; // Number of pixels in x
77 Int_t fNpz; // Number of pixels in z
78 Float_t fCellSizeX[256];// Size for each pixel in x -microns
79 Float_t fCellSizeZ[280];// Size for each pixel in z -microns
83 Float_t ColFromZ300(Float_t z) const;
84 Float_t ZFromCol300(Int_t col) const;
85 Float_t ZpitchFromCol300(Int_t col) const;
86 Float_t ColFromZ(Float_t z) const;
87 Float_t ZFromCol(Int_t col) const;
88 Float_t ZpitchFromCol(Int_t col) const;
90 ClassDef(AliITSsegmentationSPD,2) //Segmentation class for SPD