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