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 AliITSv11Hybrid : public AliITS {
50 AliITSv11Hybrid(const char *title);
51 AliITSv11Hybrid(const char *name, const char *title);
52 virtual ~AliITSv11Hybrid() ;
53 virtual void BuildGeometry();
54 virtual void CreateGeometry();
55 virtual void CreateMaterials();
56 virtual Int_t IsVersion() const {// returns the ITS version number
59 virtual void SetDefaults();
60 virtual void DrawModule() const;
61 virtual void StepManager();
62 virtual void AddAlignableVolumes() const;
63 virtual void SetWriteDet(Bool_t det=kFALSE){ // set .det write
65 virtual void SetWriteDet(const char *f){ // set write file
66 strncpy(fWrite,f,60);fGeomDetOut = kTRUE;}
67 virtual void SetReadDet(Bool_t det=kFALSE){ //set .det read
69 virtual void SetReadDet(const char *f){ // set read file
70 strncpy(fRead,f,60);fGeomDetIn = kTRUE;}
71 virtual void SetEUCLIDFileName(const char *f){ // set write file
72 fEuclidGeometry=f; SetEUCLID();}
73 virtual void SetMinorVersion(Int_t v=2){ // Choose between existing minor versions
75 virtual void SetThicknessDet1(Float_t v=200.){
76 // Set detector thickness in layer 1
78 virtual void SetThicknessDet2(Float_t v=200.){
79 // Set detector thickness in layer 2
81 virtual void SetThicknessChip1(Float_t v=150.){
82 // Set chip thickness in layer 1
84 virtual void SetThicknessChip2(Float_t v=150.){
85 // Set chip thickness in layer 2
87 virtual void SetRails(Int_t v=0){
90 virtual void SetCoolingFluid(Int_t v=1){
91 // Set flag for cooling fluid
93 virtual void SetDensityServicesByThickness(){// uses services density
94 // calculation based on the thickness of the services.
96 virtual void SetDensityServicesByMass(){// uses services density
97 // calculation based on the Mass of the services.
99 virtual const char *GetEULIIDFileName() const{ // return .euc file name
100 return fEuclidGeometry.Data();}
101 virtual Bool_t GetWriteDet() const { // returns value GeomDetOut flag.
103 virtual Bool_t GetReadDet() const { // returns value GeomDetIn flag.
105 virtual char *GetReadDetFileName(){ // return .det read file name
106 if(fRead[0]!='\0') return fRead; else return fEuclidGeomDet;}
107 virtual char *GetWriteDetFileName(){ // return .det write file name
108 if(fWrite[0]!='\0') return fWrite; else return fEuclidGeomDet;}
109 virtual Int_t GetMajorVersion() const {// return Major Version Number
110 return fMajorVersion;}
111 virtual Int_t GetMinorVersion() const {// return Major Version Number
112 return fMinorVersion;}
113 virtual Float_t GetThicknessDet1() const {
114 // Get detector thickness in layer 1
116 virtual Float_t GetThicknessDet2() const {
117 // Get detector thickness in layer 2
119 virtual Float_t GetThicknessChip1() const {
120 // Get chip thickness in layer 1
122 virtual Float_t GetThicknessChip2()const {
123 // Get chip thickness in layer 2
125 virtual Int_t GetRails() const {
126 // Get flag for rails
128 virtual Int_t GetCoolingFluid() const{
129 // Get flag for cooling fluid
133 void CreateOldGeometry();
134 void SetT2Lmatrix(Int_t uid, Double_t yShift,
135 Bool_t yFlip, Bool_t yRot180=kFALSE) const; // Set T2L matrix in TGeoPNEntries
136 void CreateSPDThermalShield(TGeoVolume *moth);
137 TGeoVolumeAssembly *CreateSPDThermalShieldAssembly(const char *name,
138 Double_t innerA, Double_t innerB, Double_t innerRadius,
139 Double_t outerA, Double_t outerB, Double_t outerRadius,
140 Double_t halflength, Double_t thickness,
141 Double_t thicknessOmega, Double_t theta);
142 void SPDThermalShape(Double_t a, Double_t b, Double_t r, Double_t d,
143 Double_t t, Double_t *x, Double_t *y);
144 void SPDOmegaShape(Double_t ina, Double_t inb, Double_t inr,
145 Double_t oua, Double_t oub, Double_t our,
146 Double_t dou, Double_t d , Double_t t ,
147 Double_t *x, Double_t *y);
148 void FillSPDXtruShape(Double_t a, Double_t b, Double_t r,
149 Double_t t, Double_t *x, Double_t *y);
152 AliITSv11Hybrid(const AliITSv11Hybrid &source); // copy constructor
153 AliITSv11Hybrid& operator=(const AliITSv11Hybrid &source); // assignment operator
154 void InitAliITSgeom() const;
156 Bool_t fGeomDetOut; // Flag to write .det file out
157 Bool_t fGeomDetIn; // Flag to read .det file or directly from Geat.
158 Bool_t fByThick; // Flag to use services materials by thickness
159 // ture, or mass false.
160 Int_t fMajorVersion; // Major version number == IsVersion
161 Int_t fMinorVersion; // Minor version number
162 char fEuclidGeomDet[60];// file where detector transormation are define.
163 char fRead[60]; //! file name to read .det file
164 char fWrite[60]; //! file name to write .det file
165 Float_t fDet1; // thickness of detector in SPD layer 1
166 Float_t fDet2; // thickness of detector in SPD layer 2
167 Float_t fChip1; // thickness of chip in SPD layer 1
168 Float_t fChip2; // thickness of chip in SPD layer 2
169 Int_t fRails; // flag to switch rails on (=1) and off (=0)
170 Int_t fFluid; // flag to switch between water (=1) and freon (=0)
171 Int_t fIDMother; //! ITS Mother Volume id.
173 AliITSInitGeometry fInitGeom; //! Get access to decoding and AliITSgeom init functins
174 AliITSv11GeometrySPD *fSPDgeom; //! SPD Geometry
175 AliITSv11GeometrySDD *fSDDgeom; //! SDD Geometry
176 AliITSv11GeometrySSD *fSSDgeom; //! SSD Geometry
177 AliITSv11GeometrySupport *fSupgeom; //! Support Geometry
179 ClassDef(AliITSv11Hybrid,0)