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0f4a7374 | 1 | #ifndef ALITOFGEOMETRY_H |
2 | #define ALITOFGEOMETRY_H | |
0e46b9ae | 3 | |
0f4a7374 | 4 | /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * |
5 | * See cxx source for full Copyright notice */ | |
6 | ||
7 | /* $Id$ */ | |
8 | ||
9 | /////////////////////////////////////////////////////////////////////////////// | |
10 | // // | |
11 | // TOF geometry class // | |
12 | // // | |
13 | /////////////////////////////////////////////////////////////////////////////// | |
14 | ||
0e46b9ae | 15 | #include "TGeoMatrix.h" |
d076c8d5 | 16 | #include "TObject.h" |
0f4a7374 | 17 | |
5c7c93fa | 18 | //class TGeoMatrix; |
19 | ||
d076c8d5 | 20 | class AliTOFGeometry: public TObject{ |
0f4a7374 | 21 | |
22 | public: | |
23 | AliTOFGeometry(); | |
24 | virtual ~AliTOFGeometry(); | |
25 | ||
74ea065c | 26 | static Int_t NStripA() { return kNStripA;}; |
27 | static Int_t NStripB() { return kNStripB;}; | |
0ef21f59 | 28 | static Int_t NStripC() { return kNStripC;}; |
731afc39 | 29 | static Int_t NStrip(Int_t nPlate); |
4402e7cb | 30 | static Int_t NMaxNstrip() { return kMaxNstrip;}; |
74ea065c | 31 | static Int_t NpadX() { return kNpadX;}; |
32 | static Int_t NpadZ() { return kNpadZ;}; | |
7e6dce66 | 33 | static Int_t NpadXStrip() { return kNpadX*kNpadZ;}; |
74ea065c | 34 | static Int_t NSectors() { return kNSectors;}; |
35 | static Int_t NPlates() { return kNPlates;}; | |
731afc39 | 36 | static Int_t NStripXSector() { return (kNStripA + 2*kNStripB + |
0ef21f59 | 37 | 2*kNStripC);}; |
731afc39 | 38 | static Int_t NPadXSector() { return (kNStripA + 2*kNStripB + |
0ef21f59 | 39 | 2*kNStripC)*kNpadX*kNpadZ;}; |
d3c7bfac | 40 | |
731afc39 | 41 | static Float_t RinTOF() { return fgkxTOF;}; |
42 | static Float_t Rmin() { return fgkRmin;}; | |
43 | static Float_t Rmax() { return fgkRmax;}; | |
d3c7bfac | 44 | |
340693af | 45 | static Float_t XPad() { return fgkXPad;}; |
46 | static Float_t ZPad() { return fgkZPad;}; | |
d3c7bfac | 47 | |
4402e7cb | 48 | static Float_t StripLength() { return fgkStripLength;}; |
49 | ||
0f4a7374 | 50 | static Int_t TimeDiff() { return fgkTimeDiff;}; |
74ea065c | 51 | static Int_t MaxTOFTree() { return kMaxTOFTree;}; |
0f4a7374 | 52 | |
43f77f2d | 53 | static Int_t NDDL() { return kNDDL;}; |
54 | static Int_t NTRM() { return kNTRM;} | |
55 | static Int_t NTdc() { return kNTdc;}; | |
d0eb8f39 | 56 | static Int_t NChain() { return kNChain;}; |
43f77f2d | 57 | static Int_t NCh() { return kNCh;}; |
d0eb8f39 | 58 | static Int_t NPadXTRM() { return kNCh*kNTdc*kNChain;}; |
43f77f2d | 59 | |
0ef21f59 | 60 | static Float_t ZlenA() { return fgkZlenA;}; |
61 | static Float_t ZlenB() { return fgkZlenB;}; | |
62 | static Float_t ZlenC() { return fgkZlenC;}; | |
63 | static Float_t MaxhZtof() { return fgkMaxhZtof;}; | |
0f4a7374 | 64 | |
65 | static Float_t SigmaForTail1() { return fgkSigmaForTail1;}; | |
66 | static Float_t SigmaForTail2() { return fgkSigmaForTail2;}; | |
0f4a7374 | 67 | |
74ea065c | 68 | static Double_t GetAlpha() { return 2 * 3.14159265358979323846 / kNSectors; }; |
0f4a7374 | 69 | |
43f77f2d | 70 | static Float_t TdcBinWidth() {return fgkTdcBin;}; |
48e6af28 | 71 | static Float_t ToTBinWidth() {return fgkToTBin;}; |
0f4a7374 | 72 | |
0ef21f59 | 73 | virtual void ImportGeometry(); |
74ea065c | 74 | virtual void SetHoles(Bool_t holes) {fHoles = holes;}; |
75 | virtual Bool_t GetHoles() const {return fHoles;}; | |
0ef21f59 | 76 | virtual Float_t DistanceToPadPar(Int_t *det, Float_t *pos, Float_t *dist3d=0) const; |
77 | virtual Bool_t IsInsideThePadPar(Int_t *det, Float_t *pos) const; | |
78 | virtual Bool_t IsInsideThePad(TGeoHMatrix mat, Float_t *pos, Float_t *dist3d=0) const; | |
79 | virtual void GetVolumePath(Int_t *ind, Char_t *path ); | |
80 | virtual void GetVolumePath(Int_t sector, Char_t *path ); | |
81 | virtual void GetVolumePath(Int_t sector, Int_t plate, Int_t strip, Char_t *path ); | |
82 | virtual void GetPos(Int_t *det,Float_t *pos); | |
7aeeaf38 | 83 | virtual void GetPosPar(Int_t *det,Float_t *pos) const; |
84 | virtual void GetDetID(Float_t *pos,Int_t *det) const; | |
0ef21f59 | 85 | virtual Int_t GetPlate(Float_t *pos) const; |
86 | virtual Int_t GetStrip(Float_t *pos) const; | |
87 | virtual Int_t GetSector(Float_t *pos) const; | |
88 | virtual Int_t GetPadX(Float_t *pos) const; | |
89 | virtual Int_t GetPadZ(Float_t *pos) const; | |
90 | virtual Float_t GetX(Int_t *det) const ; | |
91 | virtual Float_t GetY(Int_t *det) const ; | |
92 | virtual Float_t GetZ(Int_t *det) const ; | |
48e6af28 | 93 | virtual void DetToStripRF(Int_t nPadX, Int_t nPadZ, |
94 | Float_t &x, Float_t &z) const; | |
0ef21f59 | 95 | virtual void DetToSectorRF(Int_t vol[5], Double_t ** coord); |
96 | virtual Float_t GetPadDx(Float_t *pos); | |
97 | virtual Float_t GetPadDy(Float_t *pos); | |
98 | virtual Float_t GetPadDz(Float_t *pos); | |
99 | virtual void Translation(Float_t *xyz, Float_t translationVector[3]) const; | |
100 | virtual void Rotation(Float_t *xyz, Double_t rotationAngles[6]) const; | |
101 | virtual void InverseRotation(Float_t *xyz, Double_t rotationAngles[6]) const; | |
d3c7bfac | 102 | |
0ef21f59 | 103 | static Float_t GetAngles(Int_t iplate, Int_t istrip) {return fgkAngles[iplate][istrip];}; |
104 | static Float_t GetHeights(Int_t iplate, Int_t istrip) {return fgkHeights[iplate][istrip];}; | |
105 | static Float_t GetDistances(Int_t iplate, Int_t istrip) {return fgkDistances[iplate][istrip];}; | |
d3c7bfac | 106 | |
0ef21f59 | 107 | static Int_t GetIndex(Int_t *detId); // Get channel index from det Id (for calibration mainly) |
731afc39 | 108 | static void GetVolumeIndices(Int_t index, Int_t *detId); // Get volume index from channel index |
0ef21f59 | 109 | |
110 | private: | |
0f4a7374 | 111 | |
58eb5b61 | 112 | enum { |
74ea065c | 113 | kNStripA = 15, // number of strips in A type module |
114 | kNStripB = 19, // number of strips in B type module | |
0ef21f59 | 115 | kNStripC = 19, // number of strips in C type module |
74ea065c | 116 | kNpadX = 48, // Number of pads along X |
117 | kNpadZ = 2, // Number of pads along Z | |
118 | kNSectors = 18, // Number of Sectors | |
119 | kNPlates = 5, // Number of Plates | |
4402e7cb | 120 | kMaxTOFTree = 5, // numer of geom. levels: |
121 | kMaxNstrip = 20 // Max. number of strips | |
58eb5b61 | 122 | }; |
123 | ||
43f77f2d | 124 | // DAQ characteristics |
125 | // cfr. TOF-TDR pag. 105 for Glossary | |
126 | // TARODA : TOF-ALICE Read Out and Data Acquisition system | |
127 | enum { | |
128 | kNDDL = 4, // Number of DDL (Detector Data Link) per sector | |
d0eb8f39 | 129 | kNTRM = 12, // Number of TRM ( Readout Module) per DDL |
130 | kNTdc = 15, // Number of Tdc (Time to Digital Converter) per TRM | |
131 | kNChain = 2, // Number of chains per TRM | |
43f77f2d | 132 | kNCh = 8 // Number of channels per Tdc |
133 | }; | |
134 | ||
7e6dce66 | 135 | static const Int_t fgkTimeDiff; // Min signal separation (ps) |
136 | ||
0ef21f59 | 137 | static const Float_t fgkZlenA; // length (cm) of the A module |
138 | static const Float_t fgkZlenB; // length (cm) of the B module | |
139 | static const Float_t fgkZlenC; // length (cm) of the C module | |
140 | static const Float_t fgkMaxhZtof; // Max half z-size of TOF (cm) | |
d3c7bfac | 141 | |
0ef21f59 | 142 | static const Float_t fgkRmin; // Inner radius of the TOF (cm) |
143 | static const Float_t fgkRmax; // Outer radius of the TOF (cm) | |
144 | static const Float_t fgkxTOF; // Inner TOF Radius used in Reconstruction (cm) | |
d3c7bfac | 145 | |
4402e7cb | 146 | static const Float_t fgkStripLength; // Strip Length (rho X phi direction) (cm) |
147 | ||
d3c7bfac | 148 | static const Float_t fgkXPad; // Pad size in the x direction (cm) |
149 | static const Float_t fgkZPad; // Pad size in the z direction (cm) | |
58eb5b61 | 150 | |
151 | static const Float_t fgkSigmaForTail1;//Sig1 for simulation of TDC tails | |
152 | static const Float_t fgkSigmaForTail2;//Sig2 for simulation of TDC tails | |
d3c7bfac | 153 | |
0ef21f59 | 154 | static const Float_t fgkPhiSec; //sector Phi width (deg) |
155 | ||
d3c7bfac | 156 | Bool_t fHoles; //logical for geometry version (w/wo holes) |
157 | ||
0ef21f59 | 158 | static const Float_t fgkAngles[kNPlates][kMaxNstrip]; //Strip Tilt Angles |
159 | static const Float_t fgkHeights[kNPlates][kMaxNstrip]; //Strip heights | |
160 | static const Float_t fgkDistances[kNPlates][kMaxNstrip];//Strip distances | |
d3c7bfac | 161 | |
0f4a7374 | 162 | |
48e6af28 | 163 | static const Float_t fgkTdcBin; // time-of-flight bin width [ps] |
164 | static const Float_t fgkToTBin; // time-over-threshold bin width [ps] | |
43f77f2d | 165 | |
731afc39 | 166 | ClassDef(AliTOFGeometry,6) // TOF Geometry base class |
0f4a7374 | 167 | }; |
168 | ||
169 | #endif |