Line data Source code
1 : #ifndef ALIITSV11GEOMETRYSPD_H
2 : #define ALIITSV11GEOMETRYSPD_H
3 :
4 : /*
5 : * Copyright(c) 2007-2009, ALICE Experiment at CERN, All rights reserved.
6 : * See cxx source for full Copyright notice.
7 : */
8 :
9 : // Implementation of the SPD v11 central geometry.
10 : // Contains also:
11 : // - the materials/media used for its volumes;
12 : // - settings for the related transport parameters
13 : // (GEANT3 types for the moment).
14 : //
15 :
16 : /*
17 : * $Id$
18 : */
19 :
20 : #include <TArrayD.h>
21 : #include <TGeoManager.h>
22 : #include <TVirtualMC.h>
23 : #include <TString.h>
24 : #include <TArrayI.h>
25 : #include <TPolyLine.h>
26 : #include <TPolyMarker.h>
27 : #include "AliITSv11Geometry.h"
28 :
29 : class TGeoVolume;
30 : class TGeoCompositeShape;
31 :
32 : using std::istream;
33 :
34 : class AliITSv11GeometrySPD : public AliITSv11Geometry
35 : {
36 : public:
37 :
38 : // Default constructor
39 : AliITSv11GeometrySPD(/*Double_t gap = 0.0075*/);
40 : // Standard Constructor
41 : AliITSv11GeometrySPD(Int_t debug/*, Double_t gap = 0.0075*/);
42 : // Copy constructor
43 : AliITSv11GeometrySPD(const AliITSv11GeometrySPD &s);
44 : // Assignment operator
45 : AliITSv11GeometrySPD& operator=(const AliITSv11GeometrySPD &s);
46 : // Destructor
47 6 : virtual ~AliITSv11GeometrySPD() {};
48 :
49 : /* Services */
50 :
51 : // get names
52 : virtual const char *GetSenstiveVolumeName1() const
53 42 : {return "ITSSPDlay1-sensor";}
54 : virtual const char *GetSenstiveVolumeName2() const
55 42 : {return "ITSSPDlay2-sensor";}
56 : virtual const char *GetSenstiveVolumeName(Int_t lay) const
57 160 : {return (lay==1) ? GetSenstiveVolumeName1():GetSenstiveVolumeName2();}
58 : // get medium
59 : virtual TGeoMedium* GetMedium(const char* mediumName,
60 : const TGeoManager *mgr = gGeoManager) const;
61 : // retrieve the mounting location and rotation needed to mount an SPD stave
62 : virtual Int_t GetSPDsectorX0Size() const
63 0 : {return fSPDsectorX0.GetSize();}
64 : virtual Bool_t GetSectorMountingPoints(Int_t index, Double_t &x0,
65 : Double_t &y0, Double_t &x1, Double_t &y1) const;
66 : // displace the staves on the carbon fiber sector
67 : virtual void StavesInSector(TGeoVolume *moth,TGeoManager *mgr=gGeoManager);
68 : // (debug purposes) define which staves to put in the sector
69 : virtual void SetAddStave(Bool_t *mask);
70 : // print class in ascii form to stream
71 : virtual void PrintAscii(ostream *os) const;
72 : // read in class in ascii form from stream
73 : virtual void ReadAscii(istream *is);
74 :
75 : /* Parts of the geometry */
76 :
77 : // a single ladder (= 1 detector + 5 chips)
78 : virtual TGeoVolume* CreateLadder(Int_t layer, TArrayD &sizes,
79 : TGeoManager *mgr = gGeoManager) const;
80 : // a clip on the central ladders
81 : virtual TGeoVolume* CreateClip(TArrayD &sizes,Bool_t isDummy,
82 : TGeoManager *mgr = gGeoManager) const;
83 : // the grounding foil (splitted in many components)
84 : virtual TGeoCompositeShape* CreateGroundingFoilShape(Int_t itype,
85 : Double_t &length,Double_t &width,Double_t thickness,TArrayD &sizes);
86 : virtual TGeoVolumeAssembly* CreateGroundingFoil(Bool_t isRight, TArrayD &sizes,
87 : TGeoManager *mgr = gGeoManager);
88 : // the MCM (thin part + thick part with chips inside)
89 : virtual TGeoVolumeAssembly* CreateMCM(Bool_t isRight, TArrayD &sizes,
90 : TGeoManager *mgr = gGeoManager) const;
91 : // the pixel bus (flat part + pt1000s + large capacitors/resistors)
92 : virtual TGeoVolumeAssembly* CreatePixelBus(Bool_t isRight, Int_t layer, TArrayD &sizes,
93 : TGeoManager *mgr = gGeoManager) const;
94 : // the extender complicated geometry
95 : virtual TGeoVolume* CreateExtender(const Double_t *params,
96 : const TGeoMedium *medium, TArrayD &sizes) const;
97 :
98 : virtual TGeoVolume* CreatePatchPanel(TArrayD &sizes,
99 : TGeoManager *mgr = gGeoManager) const;
100 :
101 : virtual TList* CreateConeModule(Bool_t sideC, const Double_t angle,
102 : TGeoManager *mgr = gGeoManager) const;
103 : virtual void CreateCones(TGeoVolume *moth) const;
104 : /* virtual*/ void CreateServices(TGeoVolume *moth) const;
105 : // a half-stave (put together ladders + MCM + bus, and add clips
106 : // if requested)
107 : virtual TGeoVolumeAssembly* CreateHalfStave(Bool_t isRight, Int_t layer,
108 : Int_t idxCentral, Int_t idxSide,TArrayD &sizes/*,
109 : Bool_t addClips = kFALSE*/, TGeoManager *mgr = gGeoManager);
110 : // the whole stave (2 half-staves of different orientation)
111 : virtual TGeoVolumeAssembly* CreateStave(Int_t layer, TArrayD &sizes,
112 : /*Bool_t addClips = kFALSE,*/TGeoManager *mgr = gGeoManager);
113 : // the complete Carbon Fiber sector (support + staves)
114 : virtual void CarbonFiberSector(TGeoVolume *moth, Int_t sect, Double_t &xAAtubeCenter0,
115 : Double_t &yAAtubeCenter0, TGeoManager *mgr = gGeoManager);
116 : // the whole SPD barrel (the 10 sectors at once)
117 : virtual void SPDSector(TGeoVolume *moth, TGeoManager *mgr = gGeoManager);
118 : // Returns the location of the SPD cooling tube ends. RB26 (muon absober
119 : // side) and RB24 (open side). Staves number 0,1 inner Staves, 2-5 outer
120 : // staves. Sectors numbers 0-9.
121 : virtual void GetSPDCoolingTubeRB26(Int_t sector,Int_t stave,
122 : Double_t &x,Double_t &y,Double_t &z)const{
123 0 : x = fTubeEndSector[sector][1][stave][0];
124 0 : y = fTubeEndSector[sector][1][stave][1];
125 0 : z = fTubeEndSector[sector][1][stave][2];return;};
126 : virtual void GetSPDCoolingTubeRB24(Int_t sector,Int_t stave,
127 : Double_t &x,Double_t &y,Double_t &z)const{
128 0 : x = fTubeEndSector[sector][0][stave][0];
129 0 : y = fTubeEndSector[sector][0][stave][1];
130 0 : z = fTubeEndSector[sector][0][stave][2];return;};
131 : private:
132 : // NOTE:
133 : // all of the member functions which define a component of the final SPD
134 : // will need to be defined as private once the design is fixed and
135 : // does not need any longer to be checked and debugged.
136 :
137 : /* Service methods for internal use only */
138 :
139 : // compute shape of the SPD Sector given specific inputs
140 : void SPDsectorShape(Int_t n,const Double_t *xc, const Double_t *yc,
141 : const Double_t *r,const Double_t *ths,
142 : const Double_t *the, Int_t npr,Int_t &m,
143 : Double_t **xp, Double_t **yp) const;
144 : // compute a point o a line parallel to a given direction
145 : // and with a fixed distance from it
146 : void ParallelPosition(Double_t dist1, Double_t dist2, Double_t phi,
147 : Double_t &x, Double_t &y) const;
148 : // comutes the radial translation of a sector to give the
149 : // proper distance between SPD detectors and the beam pipe.
150 : Double_t GetSPDSectorTranslation(Double_t x0,Double_t y0,Double_t x1,
151 : Double_t y1,Double_t r)const;
152 : Bool_t CFHolePoints(Double_t s,Double_t r1,Double_t r2,Double_t l,
153 : Double_t &x,Double_t &y)const;
154 :
155 : // create the cooling tubes going from the manifolds to the staves
156 : void CreateCoolingTubes(TGeoVolume *moth, Bool_t sideC) const;
157 :
158 : /* Data members */
159 :
160 : static const Double_t fgkGapLadder;// thicknes of the empty (air) gap left
161 : // between the ladder and the grounding
162 : // foil for alignment
163 : static const Double_t fgkGapHalfStave;//thickness of the empty (air) gap
164 : // left between HS and Carbon Suport
165 : Bool_t fAddStave[6]; // [DEBUG] must be TRUE for all staves
166 : // which will be mounted in the sector
167 : // (used to check overlaps)
168 : TArrayD fSPDsectorX0; // X of first edge of sector plane for stave
169 : TArrayD fSPDsectorY0; // Y of first edge of sector plane for stave
170 : TArrayD fSPDsectorX1; // X of second edge of sector plane for stave
171 : TArrayD fSPDsectorY1; // Y of second edge of sector plane for stave
172 : //
173 : Double_t fTubeEndSector[10][2][6][3]; // Location of tube end in sector
174 : /* ROOT dictionary */
175 :
176 120 : ClassDef(AliITSv11GeometrySPD,2) // ITS v11 Central SPD geometry
177 : };
178 :
179 : // Input and output function for standard C++ input/output.
180 : ostream &operator<<(ostream &os, const AliITSv11GeometrySPD &s);
181 : istream &operator>>(istream &is, AliITSv11GeometrySPD &s);
182 :
183 : #endif
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