Merged ITS-working with HEAD. Improved some of the documentation and
[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
6ad0bfa0 6/* $Id$ */
7
daa2ae2f 8////////////////////////////////////////////////
9// Geometry class for PHOS : singleton //
10// Version SUBATECH //
11// Author Y. Schutz SUBATECH //
12// geometry parametrized for any //
13// shape of modules //
14////////////////////////////////////////////////
d15a28e7 15
16// --- ROOT system ---
17
daa2ae2f 18#include "TNamed.h"
19#include "TString.h"
20#include "TObjArray.h"
21#include "TVector3.h"
d15a28e7 22
23// --- AliRoot header files ---
24
daa2ae2f 25#include "AliGeometry.h"
26#include "AliPHOSRecPoint.h"
27
9f616d61 28static const TString kDegre("deg") ;
29static const TString kRadian("rad") ;
30
daa2ae2f 31class AliPHOSGeometry : public AliGeometry {
32
33public:
34
35 AliPHOSGeometry() {} ; // must be kept public for root persistency purposes
36 virtual ~AliPHOSGeometry(void) ;
37 static AliPHOSGeometry * GetInstance(const Text_t* name, const Text_t* title) ;
38 static AliPHOSGeometry * GetInstance() ;
39 virtual void GetGlobal(const AliRecPoint* RecPoint, TVector3 & gpos, TMatrix & gmat) ;
40 virtual void GetGlobal(const AliRecPoint* RecPoint, TVector3 & gpos) ;
41
42protected:
43
44 AliPHOSGeometry(const Text_t* name, const Text_t* title) : AliGeometry(name, title) { Init() ; }
45 void Init(void) ; // steering method for PHOS and CPV
46 void InitPHOS(void) ; // defines the various PHOS geometry parameters
47 void InitPPSD(void) ; // defines the various PPSD geometry parameters
48
49public:
50
51 // General
52
53 Bool_t AbsToRelNumbering(const Int_t AbsId, Int_t * RelId) ; // converts the absolute PHOS numbering to a relative
9f616d61 54 void EmcModuleCoverage(const Int_t m, Double_t & tm, Double_t & tM, Double_t & pm, Double_t & pM, Option_t * opt = kRadian);
55 // calculates the angular coverage in theta and phi of a EMC module
56 void EmcXtalCoverage(Double_t & theta, Double_t & phi, Option_t * opt = kRadian) ;
57 // calculates the angular coverage in theta and phi of a
58 // single crystal in a EMC module
59 void ImpactOnEmc(const Double_t theta, const Double_t phi, Int_t & ModuleNumber, Double_t & x, Double_t & z) ;
60 // calculates the impact coordinates of a neutral particle
61 // emitted in direction theta and phi in ALICE
daa2ae2f 62 void RelPosInModule(const Int_t * RelId, Float_t & y, Float_t & z) ; // gets the position of element (pad or Xtal) relative to
63 // center of PHOS module
64 void RelPosInAlice(const Int_t AbsId, TVector3 & pos) ; // gets the position of element (pad or Xtal) relative to
65 // Alice
66 Bool_t RelToAbsNumbering(const Int_t * RelId, Int_t & AbsId) ; // converts the absolute PHOS numbering to a relative
c198e326 67
daa2ae2f 68
69 ///////////// PHOS related parameters
70
71 Bool_t IsInitialized(void) const { return fInit ; }
72 Float_t GetAirFilledBoxSize(Int_t index) const { return fAirFilledBoxSize[index] ;}
73 Float_t GetCrystalHolderThickness(void) const { return fCrystalHolderThickness ; }
74 Float_t GetCrystalSize(Int_t index) const { return fXtlSize[index] ; }
75 Float_t GetCrystalSupportHeight(void) const { return fCrystalSupportHeight ; }
76 Float_t GetCrystalWrapThickness(void) const { return fCrystalWrapThickness;}
77 Float_t GetGapBetweenCrystals(void) const { return fGapBetweenCrystals ; }
78 Float_t GetIPtoCrystalSurface(void) const { return fIPtoCrystalSurface ; }
79 Float_t GetIPtoOuterCoverDistance(void) const { return fIPtoOuterCoverDistance ; }
80 Float_t GetIPtoTopLidDistance(void) const { return fIPtoTopLidDistance ; }
81 Float_t GetLowerThermoPlateThickness(void) const { return fLowerThermoPlateThickness ; }
82 Float_t GetLowerTextolitPlateThickness(void) const { return fLowerTextolitPlateThickness ; }
83 Float_t GetModuleBoxThickness(void) const { return fModuleBoxThickness ; }
84 Int_t GetNPhi(void) const { return fNPhi ; }
85 Int_t GetNZ(void) const { return fNZ ; }
86 Int_t GetNModules(void) const { return fNModules ; }
87 Float_t GetOuterBoxSize(Int_t index) const { return fOuterBoxSize[index] ; }
88 Float_t GetOuterBoxThickness(Int_t index) const { return fOuterBoxThickness[index] ; }
89 Float_t GetPHOSAngle(Int_t index) const { return fPHOSAngle[index-1] ; }
90 Float_t GetPinDiodeSize(Int_t index) const { return fPinDiodeSize[index] ; }
91 Float_t GetSecondUpperPlateThickness(void) const { return fSecondUpperPlateThickness ; }
92 Float_t GetSupportPlateThickness(void) const { return fSupportPlateThickness ; }
93 Float_t GetTextolitBoxSize(Int_t index) const { return fTextolitBoxSize[index] ; }
94 Float_t GetTextolitBoxThickness(Int_t index) const { return fTextolitBoxThickness[index]; }
95 Float_t GetUpperPlateThickness(void) const { return fUpperPlateThickness ; }
96 Float_t GetUpperCoolingPlateThickness(void) const { return fUpperCoolingPlateThickness ; }
97
98private:
99
100 void SetPHOSAngles() ; // calculates the PHOS modules PHI angle
101
102public:
d15a28e7 103
daa2ae2f 104 ///////////// PPSD (PHOS PRE SHOWER DETECTOR) related parameters
105
106
107 Float_t GetAnodeThickness(void) const { return fAnodeThickness ; }
108 Float_t GetAvalancheGap(void) const { return fAvalancheGap ; }
109 Float_t GetCathodeThickness(void) const { return fCathodeThickness ; }
110 Float_t GetCompositeThickness(void) const { return fCompositeThickness ; }
111 Float_t GetConversionGap(void) const { return fConversionGap ; }
112 Float_t GetLeadConverterThickness(void) const { return fLeadConverterThickness ; }
113 Float_t GetLeadToMicro2Gap(void) const { return fLeadToMicro2Gap ; }
114 Float_t GetLidThickness(void) const { return fLidThickness ; }
115 Float_t GetMicromegas1Thickness(void) const { return fMicromegas1Thickness ; }
116 Float_t GetMicromegas2Thickness(void) const { return fMicromegas2Thickness ; }
117 Float_t GetMicromegasWallThickness(void) const { return fMicromegasWallThickness ; }
118 Float_t GetMicro1ToLeadGap(void) const { return fMicro1ToLeadGap ; }
119 Int_t GetNumberOfPadsPhi(void) const { return fNumberOfPadsPhi ; }
120 Int_t GetNumberOfPadsZ(void) const { return fNumberOfPadsZ ; }
121 Int_t GetNumberOfModulesPhi(void) const { return fNumberOfModulesPhi ; }
122 Int_t GetNumberOfModulesZ(void) const { return fNumberOfModulesZ ; }
123 Float_t GetPCThickness(void) const { return fPCThickness ; }
124 Float_t GetPhiDisplacement(void) const { return fPhiDisplacement ; }
125 Float_t GetPPSDBoxSize(Int_t index) const { return fPPSDBoxSize[index] ; }
126 Float_t GetPPSDModuleSize(Int_t index) const { return fPPSDModuleSize[index] ; }
127 Float_t GetZDisplacement(void) const { return fZDisplacement ; }
2f3366b6 128
129 void SetLeadConverterThickness(Float_t e) ; // should ultimately disappear
daa2ae2f 130
131private:
132
133 ///////////// PHOS related parameters
134
135 Float_t fAirFilledBoxSize[3] ; // Air filled box containing one module
136 Float_t fAirThickness[3] ; // Space filled with air between the module box and the Textolit box
137 Float_t fCrystalSupportHeight ; // Height of the support of the crystal
138 Float_t fCrystalWrapThickness ; // Thickness of Tyvek wrapping the crystal
139 Float_t fCrystalHolderThickness ; // Titanium holder of the crystal
140 Float_t fGapBetweenCrystals ; // Total Gap between two adjacent crystals
141 Bool_t fInit ; // Tells if geometry has been succesfully set up
142 Float_t fIPtoOuterCoverDistance ; // Distances from interaction point to outer cover
143 Float_t fIPtoCrystalSurface ; // Distances from interaction point to Xtal surface
144 Float_t fModuleBoxThickness ; // Thickness of the thermo insulating box containing one crystals module
145 Float_t fLowerTextolitPlateThickness ; // Thickness of lower textolit plate
146 Float_t fLowerThermoPlateThickness ; // Thickness of lower thermo insulating plate
147 Int_t fNModules ; // Number of modules constituing PHOS
148 Int_t fNPhi ; // Number of crystal units in X (phi) direction
149 Int_t fNZ ; // Number of crystal units in Z direction
150 Float_t fOuterBoxSize[3] ; // Size of the outer thermo insulating foam box
151 Float_t fOuterBoxThickness[3] ; // Thickness of the outer thermo insulating foam box
152 Float_t fPHOSAngle[4] ; // Position angles of modules
153 Float_t fPinDiodeSize[3] ; // Size of the PIN Diode
154 TObjArray * fRotMatrixArray ; // Liste of rotation matrices (one per phos module)
155 Float_t fSecondUpperPlateThickness ; // Thickness of upper polystyrene foam plate
156 Float_t fSupportPlateThickness ; // Thickness of the Aluminium support plate
157 Float_t fUpperCoolingPlateThickness ; // Thickness of the upper cooling plate
158 Float_t fUpperPlateThickness ; // Thickness of the uper thermo insulating foam plate
159 Float_t fTextolitBoxSize[3] ; // Size of the Textolit box inside the insulating foam box
160 Float_t fTextolitBoxThickness[3] ; // Thicknesses of th Textolit box
161 Float_t fXtlSize[3] ; // PWO4 crystal dimensions
162
163
164 ///////////// PPSD (PHOS PRE SHOWER DETECTOR) related parameters
165
166 Float_t fAnodeThickness ; // Thickness of the copper layer which makes the anode
167 Float_t fAvalancheGap ; // Thickness of the gas in the avalanche stage
168 Float_t fCathodeThickness ; // Thickeness of composite material ensuring rigidity of cathode
169 Float_t fCompositeThickness ; // Thickeness of composite material ensuring rigidity of anode
170 Float_t fConversionGap ; // Thickness of the gas in the conversion stage
171 Float_t fIPtoTopLidDistance ; // Distance from interaction point to top lid of PPSD
172 Float_t fLeadConverterThickness ; // Thickness of the Lead converter
173 Float_t fLeadToMicro2Gap ; // Thickness of the air gap between the Lead and Micromegas 2
174 Float_t fLidThickness ; // Thickness of top lid
175 Float_t fMicromegas1Thickness ; // Thickness of the first downstream Micromegas
176 Float_t fMicromegas2Thickness ; // Thickness of the second downstream Micromegas
177 Float_t fMicromegasWallThickness ; // Thickness of the Micromegas leak tight box
178 Float_t fMicro1ToLeadGap ; // Thickness of the air gap between Micromegas 1 and the Lead
179 Int_t fNumberOfPadsPhi ; // Number of pads on a micromegas module ;
180 Int_t fNumberOfPadsZ ; // Number of pads on a micromegas module ;
181 Int_t fNumberOfModulesPhi ; // Number of micromegas modules in phi
182 Int_t fNumberOfModulesZ ; // Number of micromegas modules in z
183 Float_t fPCThickness ; // Thickness of the printed circuit board of the anode
184 Float_t fPhiDisplacement ; // Phi displacement of micromegas1 with respect to micromegas2
185 Float_t fPPSDBoxSize[3] ; // Size of large box which contains PPSD; matches PHOS module size
186 Float_t fPPSDModuleSize[3] ; // Size of an individual micromegas module
187 Float_t fZDisplacement ; // Z displacement of micromegas1 with respect to micromegas2
188
189 static AliPHOSGeometry * fGeom ; // pointer to the unique instance of the singleton
190
191 ClassDef(AliPHOSGeometry,1) // PHOS geometry class , version subatech
192
193} ;
194
195#endif // AliPHOSGEOMETRY_H