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[u/mrichter/AliRoot.git] / PHOS / AliPHOSGeometry.h
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daa2ae2f 1#ifndef ALIPHOSGEOMETRY_H
2#define ALIPHOSGEOMETRY_H
3/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * See cxx source for full Copyright notice */
5
6////////////////////////////////////////////////
7// Geometry class for PHOS : singleton //
8// Version SUBATECH //
9// Author Y. Schutz SUBATECH //
10// geometry parametrized for any //
11// shape of modules //
12////////////////////////////////////////////////
d15a28e7 13
14// --- ROOT system ---
15
daa2ae2f 16#include "TNamed.h"
17#include "TString.h"
18#include "TObjArray.h"
19#include "TVector3.h"
d15a28e7 20
21// --- AliRoot header files ---
22
daa2ae2f 23#include "AliGeometry.h"
24#include "AliPHOSRecPoint.h"
25
9f616d61 26static const TString kDegre("deg") ;
27static const TString kRadian("rad") ;
28
daa2ae2f 29class AliPHOSGeometry : public AliGeometry {
30
31public:
32
33 AliPHOSGeometry() {} ; // must be kept public for root persistency purposes
34 virtual ~AliPHOSGeometry(void) ;
35 static AliPHOSGeometry * GetInstance(const Text_t* name, const Text_t* title) ;
36 static AliPHOSGeometry * GetInstance() ;
37 virtual void GetGlobal(const AliRecPoint* RecPoint, TVector3 & gpos, TMatrix & gmat) ;
38 virtual void GetGlobal(const AliRecPoint* RecPoint, TVector3 & gpos) ;
39
40protected:
41
42 AliPHOSGeometry(const Text_t* name, const Text_t* title) : AliGeometry(name, title) { Init() ; }
43 void Init(void) ; // steering method for PHOS and CPV
44 void InitPHOS(void) ; // defines the various PHOS geometry parameters
45 void InitPPSD(void) ; // defines the various PPSD geometry parameters
46
47public:
48
49 // General
50
51 Bool_t AbsToRelNumbering(const Int_t AbsId, Int_t * RelId) ; // converts the absolute PHOS numbering to a relative
9f616d61 52 void EmcModuleCoverage(const Int_t m, Double_t & tm, Double_t & tM, Double_t & pm, Double_t & pM, Option_t * opt = kRadian);
53 // calculates the angular coverage in theta and phi of a EMC module
54 void EmcXtalCoverage(Double_t & theta, Double_t & phi, Option_t * opt = kRadian) ;
55 // calculates the angular coverage in theta and phi of a
56 // single crystal in a EMC module
57 void ImpactOnEmc(const Double_t theta, const Double_t phi, Int_t & ModuleNumber, Double_t & x, Double_t & z) ;
58 // calculates the impact coordinates of a neutral particle
59 // emitted in direction theta and phi in ALICE
daa2ae2f 60 void RelPosInModule(const Int_t * RelId, Float_t & y, Float_t & z) ; // gets the position of element (pad or Xtal) relative to
61 // center of PHOS module
62 void RelPosInAlice(const Int_t AbsId, TVector3 & pos) ; // gets the position of element (pad or Xtal) relative to
63 // Alice
64 Bool_t RelToAbsNumbering(const Int_t * RelId, Int_t & AbsId) ; // converts the absolute PHOS numbering to a relative
65 // inlines
66
67 ///////////// PHOS related parameters
68
69 Bool_t IsInitialized(void) const { return fInit ; }
70 Float_t GetAirFilledBoxSize(Int_t index) const { return fAirFilledBoxSize[index] ;}
71 Float_t GetCrystalHolderThickness(void) const { return fCrystalHolderThickness ; }
72 Float_t GetCrystalSize(Int_t index) const { return fXtlSize[index] ; }
73 Float_t GetCrystalSupportHeight(void) const { return fCrystalSupportHeight ; }
74 Float_t GetCrystalWrapThickness(void) const { return fCrystalWrapThickness;}
75 Float_t GetGapBetweenCrystals(void) const { return fGapBetweenCrystals ; }
76 Float_t GetIPtoCrystalSurface(void) const { return fIPtoCrystalSurface ; }
77 Float_t GetIPtoOuterCoverDistance(void) const { return fIPtoOuterCoverDistance ; }
78 Float_t GetIPtoTopLidDistance(void) const { return fIPtoTopLidDistance ; }
79 Float_t GetLowerThermoPlateThickness(void) const { return fLowerThermoPlateThickness ; }
80 Float_t GetLowerTextolitPlateThickness(void) const { return fLowerTextolitPlateThickness ; }
81 Float_t GetModuleBoxThickness(void) const { return fModuleBoxThickness ; }
82 Int_t GetNPhi(void) const { return fNPhi ; }
83 Int_t GetNZ(void) const { return fNZ ; }
84 Int_t GetNModules(void) const { return fNModules ; }
85 Float_t GetOuterBoxSize(Int_t index) const { return fOuterBoxSize[index] ; }
86 Float_t GetOuterBoxThickness(Int_t index) const { return fOuterBoxThickness[index] ; }
87 Float_t GetPHOSAngle(Int_t index) const { return fPHOSAngle[index-1] ; }
88 Float_t GetPinDiodeSize(Int_t index) const { return fPinDiodeSize[index] ; }
89 Float_t GetSecondUpperPlateThickness(void) const { return fSecondUpperPlateThickness ; }
90 Float_t GetSupportPlateThickness(void) const { return fSupportPlateThickness ; }
91 Float_t GetTextolitBoxSize(Int_t index) const { return fTextolitBoxSize[index] ; }
92 Float_t GetTextolitBoxThickness(Int_t index) const { return fTextolitBoxThickness[index]; }
93 Float_t GetUpperPlateThickness(void) const { return fUpperPlateThickness ; }
94 Float_t GetUpperCoolingPlateThickness(void) const { return fUpperCoolingPlateThickness ; }
95
96private:
97
98 void SetPHOSAngles() ; // calculates the PHOS modules PHI angle
99
100public:
d15a28e7 101
daa2ae2f 102 ///////////// PPSD (PHOS PRE SHOWER DETECTOR) related parameters
103
104
105 Float_t GetAnodeThickness(void) const { return fAnodeThickness ; }
106 Float_t GetAvalancheGap(void) const { return fAvalancheGap ; }
107 Float_t GetCathodeThickness(void) const { return fCathodeThickness ; }
108 Float_t GetCompositeThickness(void) const { return fCompositeThickness ; }
109 Float_t GetConversionGap(void) const { return fConversionGap ; }
110 Float_t GetLeadConverterThickness(void) const { return fLeadConverterThickness ; }
111 Float_t GetLeadToMicro2Gap(void) const { return fLeadToMicro2Gap ; }
112 Float_t GetLidThickness(void) const { return fLidThickness ; }
113 Float_t GetMicromegas1Thickness(void) const { return fMicromegas1Thickness ; }
114 Float_t GetMicromegas2Thickness(void) const { return fMicromegas2Thickness ; }
115 Float_t GetMicromegasWallThickness(void) const { return fMicromegasWallThickness ; }
116 Float_t GetMicro1ToLeadGap(void) const { return fMicro1ToLeadGap ; }
117 Int_t GetNumberOfPadsPhi(void) const { return fNumberOfPadsPhi ; }
118 Int_t GetNumberOfPadsZ(void) const { return fNumberOfPadsZ ; }
119 Int_t GetNumberOfModulesPhi(void) const { return fNumberOfModulesPhi ; }
120 Int_t GetNumberOfModulesZ(void) const { return fNumberOfModulesZ ; }
121 Float_t GetPCThickness(void) const { return fPCThickness ; }
122 Float_t GetPhiDisplacement(void) const { return fPhiDisplacement ; }
123 Float_t GetPPSDBoxSize(Int_t index) const { return fPPSDBoxSize[index] ; }
124 Float_t GetPPSDModuleSize(Int_t index) const { return fPPSDModuleSize[index] ; }
125 Float_t GetZDisplacement(void) const { return fZDisplacement ; }
126
127private:
128
129 ///////////// PHOS related parameters
130
131 Float_t fAirFilledBoxSize[3] ; // Air filled box containing one module
132 Float_t fAirThickness[3] ; // Space filled with air between the module box and the Textolit box
133 Float_t fCrystalSupportHeight ; // Height of the support of the crystal
134 Float_t fCrystalWrapThickness ; // Thickness of Tyvek wrapping the crystal
135 Float_t fCrystalHolderThickness ; // Titanium holder of the crystal
136 Float_t fGapBetweenCrystals ; // Total Gap between two adjacent crystals
137 Bool_t fInit ; // Tells if geometry has been succesfully set up
138 Float_t fIPtoOuterCoverDistance ; // Distances from interaction point to outer cover
139 Float_t fIPtoCrystalSurface ; // Distances from interaction point to Xtal surface
140 Float_t fModuleBoxThickness ; // Thickness of the thermo insulating box containing one crystals module
141 Float_t fLowerTextolitPlateThickness ; // Thickness of lower textolit plate
142 Float_t fLowerThermoPlateThickness ; // Thickness of lower thermo insulating plate
143 Int_t fNModules ; // Number of modules constituing PHOS
144 Int_t fNPhi ; // Number of crystal units in X (phi) direction
145 Int_t fNZ ; // Number of crystal units in Z direction
146 Float_t fOuterBoxSize[3] ; // Size of the outer thermo insulating foam box
147 Float_t fOuterBoxThickness[3] ; // Thickness of the outer thermo insulating foam box
148 Float_t fPHOSAngle[4] ; // Position angles of modules
149 Float_t fPinDiodeSize[3] ; // Size of the PIN Diode
150 TObjArray * fRotMatrixArray ; // Liste of rotation matrices (one per phos module)
151 Float_t fSecondUpperPlateThickness ; // Thickness of upper polystyrene foam plate
152 Float_t fSupportPlateThickness ; // Thickness of the Aluminium support plate
153 Float_t fUpperCoolingPlateThickness ; // Thickness of the upper cooling plate
154 Float_t fUpperPlateThickness ; // Thickness of the uper thermo insulating foam plate
155 Float_t fTextolitBoxSize[3] ; // Size of the Textolit box inside the insulating foam box
156 Float_t fTextolitBoxThickness[3] ; // Thicknesses of th Textolit box
157 Float_t fXtlSize[3] ; // PWO4 crystal dimensions
158
159
160 ///////////// PPSD (PHOS PRE SHOWER DETECTOR) related parameters
161
162 Float_t fAnodeThickness ; // Thickness of the copper layer which makes the anode
163 Float_t fAvalancheGap ; // Thickness of the gas in the avalanche stage
164 Float_t fCathodeThickness ; // Thickeness of composite material ensuring rigidity of cathode
165 Float_t fCompositeThickness ; // Thickeness of composite material ensuring rigidity of anode
166 Float_t fConversionGap ; // Thickness of the gas in the conversion stage
167 Float_t fIPtoTopLidDistance ; // Distance from interaction point to top lid of PPSD
168 Float_t fLeadConverterThickness ; // Thickness of the Lead converter
169 Float_t fLeadToMicro2Gap ; // Thickness of the air gap between the Lead and Micromegas 2
170 Float_t fLidThickness ; // Thickness of top lid
171 Float_t fMicromegas1Thickness ; // Thickness of the first downstream Micromegas
172 Float_t fMicromegas2Thickness ; // Thickness of the second downstream Micromegas
173 Float_t fMicromegasWallThickness ; // Thickness of the Micromegas leak tight box
174 Float_t fMicro1ToLeadGap ; // Thickness of the air gap between Micromegas 1 and the Lead
175 Int_t fNumberOfPadsPhi ; // Number of pads on a micromegas module ;
176 Int_t fNumberOfPadsZ ; // Number of pads on a micromegas module ;
177 Int_t fNumberOfModulesPhi ; // Number of micromegas modules in phi
178 Int_t fNumberOfModulesZ ; // Number of micromegas modules in z
179 Float_t fPCThickness ; // Thickness of the printed circuit board of the anode
180 Float_t fPhiDisplacement ; // Phi displacement of micromegas1 with respect to micromegas2
181 Float_t fPPSDBoxSize[3] ; // Size of large box which contains PPSD; matches PHOS module size
182 Float_t fPPSDModuleSize[3] ; // Size of an individual micromegas module
183 Float_t fZDisplacement ; // Z displacement of micromegas1 with respect to micromegas2
184
185 static AliPHOSGeometry * fGeom ; // pointer to the unique instance of the singleton
186
187 ClassDef(AliPHOSGeometry,1) // PHOS geometry class , version subatech
188
189} ;
190
191#endif // AliPHOSGEOMETRY_H