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