Fix for the case of non-existent calibration files
[u/mrichter/AliRoot.git] / ITS / AliITSsegmentationSDD.h
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b0f5e3fc 1#ifndef ALIITSSEGMENTATIONSDD_H
2#define ALIITSSEGMENTATIONSDD_H
3
4
5#include "AliITSsegmentation.h"
b0f5e3fc 6
fcf95fc7 7//////////////////////////////////////////////////////
8// Segmentation class for SDD //
9// //
10//////////////////////////////////////////////////////
b0f5e3fc 11class AliITSsegmentationSDD :
12public AliITSsegmentation {
13 public:
14
15
c9649d1e 16 AliITSsegmentationSDD(Option_t *opt="");
55d2c544 17 AliITSsegmentationSDD(const AliITSsegmentationSDD &source);
18 AliITSsegmentationSDD& operator=(const AliITSsegmentationSDD &source);
b0f5e3fc 19 virtual ~AliITSsegmentationSDD(){}
b0f5e3fc 20
21 // Set Detector Segmentation Parameters
22 //
023ae34b 23 // get the drift speed used for this segmentation
24 virtual Float_t GetDriftSpeed()const{return fDriftSpeed;}
25 // Set the drift speed needed for this segmentation
4952f440 26 virtual void SetDriftSpeed(Float_t ds){
27 fDriftSpeed = ds;
28 fSetDriftSpeed=kTRUE;
29 }
b0f5e3fc 30 // Cell size dz*dx
55d2c544 31 virtual void SetPadSize(Float_t pitch, Float_t clock)
b0f5e3fc 32 {fPitch=pitch;fTimeStep=1000./clock;}
33
34 // Maximum number of cells along the two coordinates z,x (anodes,samples)
55d2c544 35 virtual void SetNPads(Int_t p1, Int_t p2)
b0f5e3fc 36 {fNanodes=2*p1;fNsamples=p2;}
5752a110 37 // Returns the maximum number of cells (digits) posible
55d2c544 38 virtual Int_t GetNPads() const {return fNanodes*fNsamples;}
b0f5e3fc 39
40 // Transform from real local to cell coordinates
55d2c544 41 virtual void GetPadIxz(Float_t x ,Float_t z ,Int_t &ix,Int_t &iz) const;
b0f5e3fc 42 // Transform from cell to real local coordinates
f6b6d58e 43 virtual void GetPadCxz(Int_t ix,Int_t iz,Float_t &x ,Float_t &z ) const;
44
e8189707 45 // Get anode and time bucket as floats - numbering from 0
55d2c544 46 virtual void GetPadTxz(Float_t &x ,Float_t &z) const;
5752a110 47 // Transformation from Geant cm detector center local coordinates
48 // to detector segmentation/cell coordiantes starting from (0,0).
aacedc3e 49 virtual Bool_t LocalToDet(Float_t x,Float_t z,Int_t &ix,Int_t &iz) const;
5752a110 50 // Transformation from detector segmentation/cell coordiantes starting
51 // from (0,0) to Geant cm detector center local coordinates.
55d2c544 52 virtual void DetToLocal(Int_t ix,Int_t iz,Float_t &x,Float_t &z) const;
b0f5e3fc 53 //
f6b6d58e 54 virtual Float_t GetAnodeFromLocal(Float_t x,Float_t z) const;
c9a38d3d 55 virtual Int_t GetSideFromLocalX(Float_t xloc) const {
56 if(xloc>0) return 0; // left side (channel 0) positive xloc
57 else return 1; // right side (channel 1) negative xloc
58 }
f6b6d58e 59 virtual Float_t GetLocalZFromAnode(Int_t nAnode) const;
60 virtual Float_t GetLocalZFromAnode(Float_t zAnode) const;
61 virtual Float_t GetDriftTimeFromTb(Int_t tb) const {
62 Float_t xtb=(Float_t)tb+0.5;
63 return GetDriftTimeFromTb(xtb);
64 }
65 virtual Float_t GetDriftTimeFromTb(Float_t xtb) const {
66 return xtb*fTimeStep;
67 }
d24bc9d6 68 virtual Int_t GetNumberOfChips() const {
69 return fgkNchipsPerHybrid;
70 }
23197852 71 virtual Int_t GetMaximumChipIndex() const{
72 return fgkNchipsPerHybrid*2-1;
73 }
d24bc9d6 74 virtual Int_t GetChipFromLocal(Float_t xloc, Float_t zloc) const;
23197852 75 virtual Int_t GetChipsInLocalWindow(Int_t* array, Float_t zmin, Float_t zmax, Float_t xmin, Float_t xmax) const;
76
77
d24bc9d6 78 virtual Int_t GetChipFromChannel(Int_t ix, Int_t iz) const;
79
b0f5e3fc 80 // Initialisation
81 virtual void Init();
fa4f0f62 82
b0f5e3fc 83 //
84 // Get member data
85 //
b0f5e3fc 86 // Cell size in x
55d2c544 87 virtual Float_t Dpx(Int_t) const {return fTimeStep;}
b0f5e3fc 88 // Cell size in z
55d2c544 89 virtual Float_t Dpz(Int_t) const {return fPitch;}
b0f5e3fc 90
91 // Maximum number of samples in x
55d2c544 92 virtual Int_t Npx() const {return fNsamples;}
b0f5e3fc 93 // Maximum number of anodes in z
55d2c544 94 virtual Int_t Npz() const {return fNanodes;}
4952f440 95 // Maximum number of anodes in z
96 virtual Int_t NpzHalf() const {return fNanodes/2;}
b0f5e3fc 97
98 //
99 // Get next neighbours
ac74f489 100 virtual void Neighbours(Int_t iX,Int_t iZ,Int_t* Nlist,Int_t Xlist[10],
55d2c544 101 Int_t Zlist[10]) const;
b0f5e3fc 102
b0f5e3fc 103 // Current integration limits
ac74f489 104 virtual void IntegrationLimits(Float_t&,Float_t&,Float_t&,Float_t&) {}
f5d698b9 105 // Print Parameters
d8046757 106 virtual void Print(Option_t *opt="") const;
55d2c544 107// Print default parameters (static const data members, if any)
108 virtual void PrintDefaultParameters() const;
03898a57 109
d6cc2277 110 static Int_t GetNAnodesPerHybrid() { return fgkHalfNanodesDefault;}
b0f5e3fc 111 protected:
112
55d2c544 113 virtual void Copy(TObject &obj) const;
114
5752a110 115 Int_t fNsamples; // Number of time samples in x
116 Int_t fNanodes; // Summed # of anodes in the two det halves (z)
117 Float_t fPitch; // Anode pitch - microns
118 Float_t fTimeStep; // Sampling time - ns
03898a57 119 Float_t fDriftSpeed; // Drift speed
4952f440 120 Bool_t fSetDriftSpeed; // flag for usage of drift speed
55d2c544 121 static const Float_t fgkDxDefault; // Default value for fDx
122 static const Float_t fgkDzDefault; // Default value for fDz
123 static const Float_t fgkDyDefault; // Default value for fDy
124 static const Float_t fgkPitchDefault; //Default value for fPitch
125 static const Float_t fgkClockDefault; //Default value for the clock freq.
126 static const Int_t fgkHalfNanodesDefault; //Default value for fNanodes/2
127 static const Int_t fgkNsamplesDefault; //Default value for fNsamples
d24bc9d6 128 static const Int_t fgkNchipsPerHybrid; //number of chips per hybrid
129 static const Int_t fgkNanodesPerChip; //number of chips per hybrid
c9a38d3d 130 static const Float_t fgkCm2Micron; // conversion from cm to micron
131 static const Float_t fgkMicron2Cm; // conversion from micron to cm
d24bc9d6 132 ClassDef(AliITSsegmentationSDD,6) // SDD segmentation
b0f5e3fc 133};
134
135#endif