1 #ifndef ALIITSV11HYBRID_H
2 #define ALIITSV11HYBRID_H
3 /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * See cxx source for full Copyright notice */
6 //========================================================================
8 // Geometry of the Inner Tracking System
10 // This geometry is a mix between the old geometry (originally coded
11 // in AliITSvPPRasymmFMD) and the new TGeo geometry (v11).
13 // Ludovic Gaudichet (gaudichet@to.infn.it)
15 //========================================================================
21 // Revision 1.7 2007/12/17 14:48:24 masera
22 // Thermal shield between SPD and SDD (M. Sitta)
24 // Revision 1.6 2007/10/21 19:22:53 masera
27 // Revision 1.5 2007/08/24 14:32:57 hristov
28 // Introduction of SPD half-stave volumes, cleaning and new code (in relation to new SPD geometry) in AliITSv11Hybrid (Ludovic)
30 // Revision 1.4 2007/06/28 10:17:25 masera
31 // Introduction of the new SSD geometry in simulation (AliITSv11Hybrid) and suppression of overlaps between old and new parts
33 // Revision 1.3 2007/05/08 16:57:42 masera
34 // Updates concerning the geometry: versioning system, new V11hybrid version, bug fixes (B.Nilsend and L. Gaudichet
39 #include "AliITSInitGeometry.h"
41 class AliITSv11GeometrySPD;
42 class AliITSv11GeometrySDD;
43 class AliITSv11GeometrySSD;
44 class AliITSv11GeometrySupport;
46 class TGeoVolumeAssembly;
48 class AliITSv11Hybrid : public AliITS {
52 AliITSv11Hybrid(const char *title);
53 AliITSv11Hybrid(const char *name, const char *title);
54 virtual ~AliITSv11Hybrid() ;
55 virtual void CreateGeometry();
56 virtual void CreateMaterials();
57 virtual Int_t IsVersion() const {// returns the ITS version number
60 virtual void SetDefaults();
61 virtual void StepManager();
62 virtual void AddAlignableVolumes() const;
63 virtual void SetMinorVersion(Int_t v=2){ // Choose between existing minor versions
65 virtual void SetThicknessDet1(Float_t v=200.){
66 // Set detector thickness in layer 1
68 virtual void SetThicknessDet2(Float_t v=200.){
69 // Set detector thickness in layer 2
71 virtual void SetThicknessChip1(Float_t v=150.){
72 // Set chip thickness in layer 1
74 virtual void SetThicknessChip2(Float_t v=150.){
75 // Set chip thickness in layer 2
77 virtual void SetRails(Int_t v=0){
80 virtual void SetCoolingFluid(Int_t v=1){
81 // Set flag for cooling fluid
83 virtual void SetDensityServicesByThickness(){// uses services density
84 // calculation based on the thickness of the services.
86 virtual void SetDensityServicesByMass(){// uses services density
87 // calculation based on the Mass of the services.
89 virtual Int_t GetMajorVersion() const {// return Major Version Number
90 return fMajorVersion;}
91 virtual Int_t GetMinorVersion() const {// return Major Version Number
92 return fMinorVersion;}
93 virtual Float_t GetThicknessDet1() const {
94 // Get detector thickness in layer 1
96 virtual Float_t GetThicknessDet2() const {
97 // Get detector thickness in layer 2
99 virtual Float_t GetThicknessChip1() const {
100 // Get chip thickness in layer 1
102 virtual Float_t GetThicknessChip2()const {
103 // Get chip thickness in layer 2
105 virtual Int_t GetRails() const {
106 // Get flag for rails
108 virtual Int_t GetCoolingFluid() const{
109 // Get flag for cooling fluid
113 void CreateOldGeometry();
114 void SetT2Lmatrix(Int_t uid, Double_t yShift,
115 Bool_t yFlip, Bool_t yRot180=kFALSE) const; // Set T2L matrix in TGeoPNEntries
116 void CreateSPDThermalShield(TGeoVolume *moth);
117 TGeoVolumeAssembly *CreateSPDThermalShieldAssembly(const char *name,
118 Double_t innerA, Double_t innerB, Double_t innerRadius,
119 Double_t outerA, Double_t outerB, Double_t outerRadius,
120 Double_t halflength, Double_t thickness,
121 Double_t thicknessOmega, Double_t theta);
122 void SPDThermalShape(Double_t a, Double_t b, Double_t r, Double_t d,
123 Double_t t, Double_t *x, Double_t *y);
124 void SPDOmegaShape(Double_t ina, Double_t inb, Double_t inr,
125 Double_t oua, Double_t oub, Double_t our,
126 Double_t dou, Double_t d , Double_t t ,
127 Double_t *x, Double_t *y);
128 void FillSPDXtruShape(Double_t a, Double_t b, Double_t r,
129 Double_t t, Double_t *x, Double_t *y);
132 AliITSv11Hybrid(const AliITSv11Hybrid &source); // copy constructor
133 AliITSv11Hybrid& operator=(const AliITSv11Hybrid &source); // assignment operator
135 Bool_t fByThick; // Flag to use services materials by thickness
136 // ture, or mass false.
137 Int_t fMajorVersion; // Major version number == IsVersion
138 Int_t fMinorVersion; // Minor version number
139 Float_t fDet1; // thickness of detector in SPD layer 1
140 Float_t fDet2; // thickness of detector in SPD layer 2
141 Float_t fChip1; // thickness of chip in SPD layer 1
142 Float_t fChip2; // thickness of chip in SPD layer 2
143 Int_t fRails; // flag to switch rails on (=1) and off (=0)
144 Int_t fFluid; // flag to switch between water (=1) and freon (=0)
145 Int_t fIDMother; //! ITS Mother Volume id.
147 AliITSInitGeometry fInitGeom; //! Get access to decoding and AliITSgeom init functins
148 AliITSv11GeometrySPD *fSPDgeom; //! SPD Geometry
149 AliITSv11GeometrySDD *fSDDgeom; //! SDD Geometry
150 AliITSv11GeometrySSD *fSSDgeom; //! SSD Geometry
151 AliITSv11GeometrySupport *fSupgeom; //! Support Geometry
153 ClassDef(AliITSv11Hybrid,0)