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Renamed from RichConfig.C
[u/mrichter/AliRoot.git] / HMPID / Hgeom.C
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fe88cf1b 1
2Int_t copy; //volume copy number
3Double_t dx,dy,dz,r1,r2;//tmp vars for volume dimentions
4Double_t cm=1,m=100*cm,mm=0.1*cm,mkm=0.001*cm;//length units
5TGeoManager *g=0;
6
7void RichGeom(Bool_t isOnlyChambers=kFALSE)
8{
9
10 g=new TGeoManager("HMPID","Private HMPID geometry");
11 Materials();
12 gGeoManager->MakeBox("ALIC",gGeoManager->GetMedium("Air"),dx=30*m/2,dy=30*m/2,dz=30*m/2); //arbitrary values
13 gGeoManager->SetTopVolume(gGeoManager->GetVolume("ALIC"));
14
15 Rich(isOnlyChambers);
16
17// RusGel();
18
19// Vhmpid();
20
21 gGeoManager->CloseGeometry();
22
23 gGeoManager->SetVisOption(0); gGeoManager->SetVisLevel(5);
24
25 gGeoManager->GetMasterVolume()->Draw();
26 Axis();
27// gPad->GetView()->SetView(3,94,-70,0);
28 new TBrowser;
29}
30//__________________________________________________________________________________________________
31void Materials()
32{
33//Media for HMPID
34 Double_t a=0,z=0,den=0,radlen=0,intlen=0;//tmp vars for material parameters
35 new TGeoMaterial("Air" ,a=26.98 ,z=13,den=0.4224 ); new TGeoMedium("Air" ,1,gGeoManager->GetMaterial("Air"));
36 new TGeoMaterial("HMPID_CH4" ,a=26.98 ,z=13,den=0.4224 ); new TGeoMedium("HMPID_CH4" ,2,gGeoManager->GetMaterial("HMPID_CH4"));
37 new TGeoMaterial("HMPID_CsI" ,a=26.98 ,z=13,den=2.7 ,radlen=24.01*cm,intlen=70.6*cm); new TGeoMedium("HMPID_CsI" ,3,gGeoManager->GetMaterial("HMPID_CsI"));
38 new TGeoMaterial("HMPID_Al" ,a=26.98 ,z=13,den=2.7 ,radlen=24.01*cm,intlen=70.6*cm); new TGeoMedium("HMPID_Al" ,4,gGeoManager->GetMaterial("HMPID_Al"));
39 new TGeoMaterial("HMPID_W" ,a=183.84,z=27,den=19.3,radlen= 9.59*cm,intlen=0.35*cm); new TGeoMedium("HMPID_W" ,5,gGeoManager->GetMaterial("HMPID_W"));
40 new TGeoMaterial("HMPID_Cu" ,a=55.845,z=26,den=7.87,radlen=13.84*cm,intlen=82.8*cm); new TGeoMedium("HMPID_Cu" ,6,gGeoManager->GetMaterial("HMPID_Cu"));
41 new TGeoMaterial("HMPID_Rohacell" ,a=12.01 ,z=6 ,den=0.1 ,radlen=18.8,intlen=0); new TGeoMedium("HMPID_Rohacell",7,gGeoManager->GetMaterial("HMPID_Rohacell"));
42 new TGeoMaterial("HMPID_SiO2" ,a=0 ,z=0 ,den=0); new TGeoMedium("HMPID_SiO2" ,8,gGeoManager->GetMaterial("HMPID_SiO2"));
43 new TGeoMaterial("HMPID_C6F14" ,a=0 ,z=0 ,den=0); new TGeoMedium("HMPID_C6F14" ,9,gGeoManager->GetMaterial("HMPID_C6F14"));
44//Media for Sr90 source
45 new TGeoMaterial("HMPID_Perpex" ,a=55.845,z=26,den=7.87,radlen=13.84*cm,intlen=82.8*cm); new TGeoMedium("HMPID_Perpex" ,10,gGeoManager->GetMaterial("HMPID_Perpex"));
46 new TGeoMaterial("HMPID_Steel" ,a=55.845,z=26,den=7.87,radlen=13.84*cm,intlen=82.8*cm); new TGeoMedium("HMPID_Steel" ,11,gGeoManager->GetMaterial("HMPID_Steel"));
47 new TGeoMaterial("HMPID_Mylar" ,a=55.845,z=26,den=7.87,radlen=13.84*cm,intlen=82.8*cm); new TGeoMedium("HMPID_Mylar" ,12,gGeoManager->GetMaterial("HMPID_Mylar"));
48 new TGeoMaterial("HMPID_Sr90" ,a=87.62 ,z=38,den=7.87,radlen=13.84*cm,intlen=82.8*cm); new TGeoMedium("HMPID_Sr90" ,13,gGeoManager->GetMaterial("HMPID_Sr90"));
49//Media for VHMPID Gas option
50 new TGeoMaterial("HMPID_CF4" ,a=0 ,z=0 ,den=0); new TGeoMedium("HMPID_CF4" ,14,gGeoManager->GetMaterial("HMPID_CF4"));
51 new TGeoMaterial("HMPID_C4F10" ,a=0 ,z=0 ,den=0); new TGeoMedium("HMPID_C4F10" ,15,gGeoManager->GetMaterial("HMPID_C4F10"));
52 new TGeoMaterial("HMPID_Ag" ,a=0 ,z=0 ,den=0); new TGeoMedium("HMPID_Ag" ,16,gGeoManager->GetMaterial("HMPID_Ag"));
53//Media for VHMPID aerogel option
54 new TGeoMaterial("HMPID_Gel24" ,a=0 ,z=0 ,den=0); new TGeoMedium("HMPID_Gel24" ,17,gGeoManager->GetMaterial("HMPID_Gel24"));
55 new TGeoMaterial("HMPID_Gel26" ,a=0 ,z=0 ,den=0); new TGeoMedium("HMPID_Gel26" ,18,gGeoManager->GetMaterial("HMPID_Gel26"));
56 new TGeoMaterial("HMPID_Gel28" ,a=0 ,z=0 ,den=0); new TGeoMedium("HMPID_Gel28" ,19,gGeoManager->GetMaterial("HMPID_Gel28"));
57 new TGeoMaterial("HMPID_Gel30" ,a=0 ,z=0 ,den=0); new TGeoMedium("HMPID_Gel30" ,20,gGeoManager->GetMaterial("HMPID_Gel30"));
58 new TGeoMaterial("HMPID_Si" ,a=0 ,z=0 ,den=0); new TGeoMedium("HMPID_Si" ,21,gGeoManager->GetMaterial("HMPID_Si"));
59 new TGeoMaterial("HMPID_Apd" ,a=0 ,z=0 ,den=0); new TGeoMedium("HMPID_Apd" ,22,gGeoManager->GetMaterial("HMPID_Apd"));
60}//Materials()
61//__________________________________________________________________________________________________
62void Rich(Bool_t isOnlyChambers)
63{
64//Rich chamber
65 TGeoVolume *pRich=gGeoManager->MakeBox("HMPID",gGeoManager->GetMedium("Air"),dx=(6*mm+1681*mm+6*mm)/2, //main HMPID volume
66 dy=(6*mm+1466*mm+6*mm)/2,
67 dz=(80*mm+40*mm)*2/2); //x,y taken from 2033P1 z from p84 TDR
68 const Double_t kAngHor=19.5; // horizontal angle between chambers 19.5 grad
69 const Double_t kAngVer=20; // vertical angle between chambers 20 grad
70 const Double_t kAngCom=30; // common HMPID rotation with respect to x axis 30 grad
71 const Double_t trans[3]={490,0,0}; //center of the chamber is on window-gap surface
72 for(Int_t iCh=1;iCh<=7;iCh++){//place 7 chambers
73 TGeoHMatrix *pMatrix=new TGeoHMatrix;
74 pMatrix->RotateY(90); //rotate around y since initial position is in XY plane -> now in YZ plane
75 pMatrix->SetTranslation(trans); //now plane in YZ is shifted along x
76 switch(iCh){
77 case 1: pMatrix->RotateY(kAngHor); pMatrix->RotateZ(-kAngVer); break; //right and down
78 case 2: pMatrix->RotateZ(-kAngVer); break; //down
79 case 3: pMatrix->RotateY(kAngHor); break; //right
80 case 4: break; //no rotation
81 case 5: pMatrix->RotateY(-kAngHor); break; //left
82 case 6: pMatrix->RotateZ(kAngVer); break; //up
83 case 7: pMatrix->RotateY(-kAngHor); pMatrix->RotateZ(kAngVer); break; //left and up
84 }
85 pMatrix->RotateZ(kAngCom); //apply common rotation in XY plane
86 gGeoManager->GetVolume("ALIC")->AddNode(pRich,iCh,pMatrix);
87 }
88 if(isOnlyChambers) return; //do not construct the detailed geometry
89//Pad Panel frame
90 TGeoVolume *pPpf =gGeoManager->MakeBox("Rppf" ,gGeoManager->GetMedium("HMPID_Al") ,dx=648*mm/2,dy= 411*mm/2 ,dz=40 *mm/2);//PPF 2001P2 inner size of the slab by 1mm more
91 TGeoVolume *pPpfLarge=gGeoManager->MakeBox("Rppf1" ,gGeoManager->GetMedium("Air") ,dx=181*mm/2,dy=89.25*mm/2 ,dz=38.3*mm/2); //large whole
92 TGeoVolume *pPpfSmall=gGeoManager->MakeBox("Rppf2" ,gGeoManager->GetMedium("Air") ,dx=114*mm/2,dy=89.25*mm/2 ,dz=38.3*mm/2);//small whole
93 TGeoVolume *pPc =gGeoManager->MakeBox("Rpc" ,gGeoManager->GetMedium("HMPID_CsI") ,dx=644*mm/2,dy= 407*mm/2 ,dz= 1.7*mm/2);//by 0.2 mm more then actual size (PCB 2006P1)
94
95 pRich->AddNode(pPpf,copy=1,new TGeoTranslation(-335*mm,-433*mm,8*cm+20*mm));//F1 2040P1 z p.84 TDR
96 pRich->AddNode(pPpf,copy=2,new TGeoTranslation(+335*mm,-433*mm,8*cm+20*mm));
97 pRich->AddNode(pPpf,copy=3,new TGeoTranslation(-335*mm, 0*mm,8*cm+20*mm));
98 pRich->AddNode(pPpf,copy=4,new TGeoTranslation(+335*mm, 0*mm,8*cm+20*mm));
99 pRich->AddNode(pPpf,copy=5,new TGeoTranslation(-335*mm,+433*mm,8*cm+20*mm));
100 pRich->AddNode(pPpf,copy=6,new TGeoTranslation(+335*mm,+433*mm,8*cm+20*mm));
101 pPpf->AddNode( pPc ,copy=1,new TGeoTranslation( 0*mm, 0*mm,-19.15*mm));//PPF 2001P2
102 pPpf->AddNode(pPpfLarge,copy=1,new TGeoTranslation(-224.5*mm,-151.875*mm, 0.85*mm));
103 pPpf->AddNode(pPpfLarge,copy=2,new TGeoTranslation(-224.5*mm,- 50.625*mm, 0.85*mm));
104 pPpf->AddNode(pPpfLarge,copy=3,new TGeoTranslation(-224.5*mm,+ 50.625*mm, 0.85*mm));
105 pPpf->AddNode(pPpfLarge,copy=4,new TGeoTranslation(-224.5*mm,+151.875*mm, 0.85*mm));
106 pPpf->AddNode(pPpfSmall,copy=1,new TGeoTranslation(- 65.0*mm,-151.875*mm, 0.85*mm));
107 pPpf->AddNode(pPpfSmall,copy=2,new TGeoTranslation(- 65.0*mm,- 50.625*mm, 0.85*mm));
108 pPpf->AddNode(pPpfSmall,copy=3,new TGeoTranslation(- 65.0*mm,+ 50.625*mm, 0.85*mm));
109 pPpf->AddNode(pPpfSmall,copy=4,new TGeoTranslation(- 65.0*mm,+151.875*mm, 0.85*mm));
110 pPpf->AddNode(pPpfSmall,copy=5,new TGeoTranslation(+ 65.0*mm,-151.875*mm, 0.85*mm));
111 pPpf->AddNode(pPpfSmall,copy=6,new TGeoTranslation(+ 65.0*mm,- 50.625*mm, 0.85*mm));
112 pPpf->AddNode(pPpfSmall,copy=7,new TGeoTranslation(+ 65.0*mm,+ 50.625*mm, 0.85*mm));
113 pPpf->AddNode(pPpfSmall,copy=8,new TGeoTranslation(+ 65.0*mm,+151.875*mm, 0.85*mm));
114 pPpf->AddNode(pPpfLarge,copy=5,new TGeoTranslation(+224.5*mm,-151.875*mm, 0.85*mm));
115 pPpf->AddNode(pPpfLarge,copy=6,new TGeoTranslation(+224.5*mm,- 50.625*mm, 0.85*mm));
116 pPpf->AddNode(pPpfLarge,copy=7,new TGeoTranslation(+224.5*mm,+ 50.625*mm, 0.85*mm));
117 pPpf->AddNode(pPpfLarge,copy=8,new TGeoTranslation(+224.5*mm,+151.875*mm, 0.85*mm));
118//gap - anod wires
119 TGeoVolume *pGap =gGeoManager->MakeBox ("Rgap" ,gGeoManager->GetMedium("HMPID_CH4") ,dx=648*mm/2,dy= 411*mm/2 ,dz=4.45*mm/2);//xy as PPF 2001P2 z WP 2099P1
120 TGeoVolume *pAnod=gGeoManager->MakeTube("Rano" ,gGeoManager->GetMedium("HMPID_W") ,r1= 0*mm ,r2= 20*mkm/2 ,dz=648*mm/2); //WP 2099P1 z = gap x PPF 2001P2
121 TGeoRotation *pAnodRot=new TGeoRotation("RanW",90,90,0);
122
123 pRich->AddNode(pGap,copy=1,new TGeoTranslation(-335*mm,-433*mm,8*cm-2.225*mm)); //F1 2040P1 z WP 2099P1
124 pRich->AddNode(pGap,copy=2,new TGeoTranslation(+335*mm,-433*mm,8*cm-2.225*mm));
125 pRich->AddNode(pGap,copy=3,new TGeoTranslation(-335*mm, 0*mm,8*cm-2.225*mm));
126 pRich->AddNode(pGap,copy=4,new TGeoTranslation(+335*mm, 0*mm,8*cm-2.225*mm));
127 pRich->AddNode(pGap,copy=5,new TGeoTranslation(-335*mm,+433*mm,8*cm-2.225*mm));
128 pRich->AddNode(pGap,copy=6,new TGeoTranslation(+335*mm,+433*mm,8*cm-2.225*mm));
129 for(int i=1;i<=96;i++)
130 pGap->AddNode(pAnod,copy=i,new TGeoCombiTrans( 0*mm, -411/2*mm+i*4*mm, 0.185*mm,pAnodRot)); //WP 2099P1
131//frame 3- cathode wires
132 TGeoVolume *pCath=gGeoManager->MakeTube("RcaW" ,gGeoManager->GetMedium("Cu") ,r1=0 ,r2=100*mkm/2,dz=1323*mm/2);//r WP 2099P1 z F3 2041P1
133 TGeoRotation *pCathRot=new TGeoRotation("CathRot",90,90,0);
134 for(int i=1;i<=618;i++)
135 pRich->AddNode(pCath,copy=i,new TGeoCombiTrans( 0*mm, -649.5*mm+i*2.1*mm, 75*mm,pCathRot)); //WP 2099P1
136//Frame 4- collection wires
137 TGeoVolume *pF4 =gGeoManager->MakeBox( "Rfr4" ,gGeoManager->GetMedium("HMPID_CH4") ,dx=1407*mm/2 ,dy=1366*mm/2 ,dz= 15*mm/2);//F4 2043P1
138 TGeoVolume *pF4al=gGeoManager->MakeBox( "Rfr4al" ,gGeoManager->GetMedium("HMPID_Al") ,dx=1407*mm/2 ,dy=1366*mm/2 ,dz= 10*mm/2);
139 TGeoVolume *pF4in=gGeoManager->MakeBox( "Rfr4in" ,gGeoManager->GetMedium("HMPID_CH4") ,dx=1323*mm/2 ,dy=1296*mm/2 ,dz= 10*mm/2);
140 TGeoVolume *pColl=gGeoManager->MakeTube("RcoW" ,gGeoManager->GetMedium("HMPID_Cu") ,r1= 0*mm ,r2=100*mkm/2 ,dz=1323*mm/2);
141 TGeoRotation *pCollRot=new TGeoRotation("RcoRot",90,90,0);
142
143 pRich->AddNode(pF4 ,copy=1,new TGeoTranslation( 0*mm,0*mm, 9*mm)); //F4 to Rich p.84 TDR
144 pF4 ->AddNode(pF4al ,copy=1,new TGeoTranslation( 0*mm,0*mm, 2.5*mm)); //F4 al to F4 2043P1
145 pF4al->AddNode(pF4in ,copy=1,new TGeoTranslation( 0*mm,0*mm, 0*mm)); //F4 whole F4 al 2043P1
146 for(int i=1;i<=322;i++)
147 pF4->AddNode(pColl,copy=i,new TGeoCombiTrans( 0*mm, -1296/2*mm+i*4*mm, -5*mm,pCollRot)); //F4 2043P1
148//radiators
149 TGeoVolume *pRad =gGeoManager->MakeBox( "Rad" ,gGeoManager->GetMedium("HMPID_C6F14") ,dx=1330*mm/2 ,dy= 413*mm/2 ,dz= 24*mm/2); // Rad 2011P1
150 TGeoVolume *pRadFront =gGeoManager->MakeBox( "RadFront" ,gGeoManager->GetMedium("HMPID_Neoceram") ,dx=1330*mm/2 ,dy= 413*mm/2 ,dz= 4*mm/2);
151 TGeoVolume *pRadWin =gGeoManager->MakeBox( "RadWin" ,gGeoManager->GetMedium("HMPID_SiO2") ,dx=1330*mm/2 ,dy= 413*mm/2 ,dz= 5*mm/2);
152 TGeoVolume *pRadLong =gGeoManager->MakeBox( "RadLong" ,gGeoManager->GetMedium("HMPID_Neoceram") ,dx=1330*mm/2 ,dy= 5*mm/2 ,dz= 15*mm/2);
153 TGeoVolume *pRadShort =gGeoManager->MakeBox( "RadShort" ,gGeoManager->GetMedium("HMPID_Neoceram") ,dx= 10*mm/2 ,dy= 403*mm/2 ,dz= 15*mm/2);
154 TGeoVolume *pRadSpacer=gGeoManager->MakeTube("RadSpacer",gGeoManager->GetMedium("HMPID_SiO2") ,r1= 0 ,r2=10*mm/2 ,dz= 15*mm/2);
155
156 pRich->AddNode(pRad ,copy=1,new TGeoTranslation( 0*mm,-434*mm, -12*mm));
157 pRich->AddNode(pRad ,copy=2,new TGeoTranslation( 0*mm, 0*mm, -12*mm));
158 pRich->AddNode(pRad ,copy=3,new TGeoTranslation( 0*mm,+434*mm, -12*mm));
159
160 pRad ->AddNode(pRadFront ,copy=1,new TGeoTranslation( 0*mm, 0*mm, -10.0*mm));
161 pRad ->AddNode(pRadWin ,copy=1,new TGeoTranslation( 0*mm, 0*mm, 9.5*mm));
162 pRad ->AddNode(pRadLong ,copy=1,new TGeoTranslation( 0*mm,-204*mm, -0.5*mm));
163 pRad ->AddNode(pRadLong ,copy=2,new TGeoTranslation( 0*mm,+204*mm, -0.5*mm));
164 pRad ->AddNode(pRadShort ,copy=1,new TGeoTranslation(-660*mm, 0*mm, -0.5*mm));
165 pRad ->AddNode(pRadShort ,copy=2,new TGeoTranslation(+660*mm, 0*mm, -0.5*mm));
166 for(int i=0;i<3;i++) for(int j=0;j<10;j++) pRad->AddNode(pRadSpacer,copy=10*i+j,new TGeoTranslation(-1330*mm/2+116*mm+j*122*mm,(i-1)*105*mm,-0.5*mm));
167//sandbox
168 TGeoVolume *pSandBox =gGeoManager->MakeBox( "RSandBox" ,gGeoManager->GetMedium("Air") ,dx=1419*mm/2 ,dy=1378*mm/2 ,dz=50.5*mm/2); //2072P1
169 TGeoVolume *pSandCover=gGeoManager->MakeBox( "RSandCover",gGeoManager->GetMedium("HMPID_Al") ,dx=1419*mm/2 ,dy=1378*mm/2 ,dz= 0.5*mm/2);
170 TGeoVolume *pSandComb =gGeoManager->MakeBox( "RSandComb" ,gGeoManager->GetMedium("HMPID_Rohacell") ,dx=1359*mm/2 ,dy=1318*mm/2 ,dz=49.5*mm/2);
171
172 pRich->AddNode(pSandBox,copy=1,new TGeoTranslation( 0*mm,0*mm, -73.75*mm)); //p.84 TDR
173 pSandBox->AddNode(pSandComb ,copy=1,new TGeoTranslation( 0*mm,0*mm, 0*mm)); //2072P1
174 pSandBox->AddNode(pSandCover ,copy=1,new TGeoTranslation( 0*mm,0*mm, +25*mm));
175 pSandBox->AddNode(pSandCover ,copy=2,new TGeoTranslation( 0*mm,0*mm, -25*mm));
176}//Rich()
177//__________________________________________________________________________________________________
178void Sr90(TGeoVolume *pTop)
179{
180 pSrc =gGeoManager->MakeTube("Src" ,gGeoManager->GetMedium("Air") , 0 , 70*mm/2 , 30*mm/2); //top container
181 pAlGlass =gGeoManager->MakeTube("SrcAlGlass" ,gGeoManager->GetMedium("HMPID_Al") , 0 , 38*mm/2 ,21.8*mm/2); //Al glass wall
182 pPerpexPlug =gGeoManager->MakeTube("SrcPerpex" ,gGeoManager->GetMedium("HMPID_Perpex"), 0 , 34*mm/2 , 20*mm/2); //Perpex plug
183 pScrewCentral=gGeoManager->MakeTube("SrcScrewCentral" ,gGeoManager->GetMedium("HMPID_Steel") , 0 , 5*mm/2 , 15*mm/2); //Steel screw in the center
184 pScrewSr90 =gGeoManager->MakeTube("SrcScrewSr90" ,gGeoManager->GetMedium("HMPID_Steel") , 0 , 2*mm/2 , 10*mm/2); //Steel screw to support Sr90
185 pSr90 =gGeoManager->MakeTube("SrcSr90" ,gGeoManager->GetMedium("HMPID_Sr90") , 0 , 1*mm/2 , 1*mm/2); //Sr90 source
186 pHolePerpex =gGeoManager->MakeTube("SrcHolePerpex" ,gGeoManager->GetMedium("Air") , 0 , 4*mm/2 , 10*mm/2); //Air hole in perpex plug
187 pHoleAl =gGeoManager->MakeTube("SrcHoleAl" ,gGeoManager->GetMedium("Air") , 0 , 5*mm/2 , 1.8*mm/2); //Air hole in Al glass bottom
188 pMylarFoil =gGeoManager->MakeTube("SrcMylarFoil" ,gGeoManager->GetMedium("HMPID_Mylar") , 0 , 30*mm/2 , 50*mkm/2); //Mylar foil
189
190 pTop->AddNode(pSrc,1,new TGeoTranslation(30*cm,0,1*cm));
191 pSrc ->AddNode(pMylarFoil,1,new TGeoTranslation(0,0,21.8*mm/2+50*mkm/2));
192 pSrc ->AddNode(pAlGlass,1,new TGeoTranslation(0,0,0)); //Al glass to fake Src volume
193 pAlGlass->AddNode( pHoleAl ,1,new TGeoTranslation(6*mm,0, -10*mm));
194 pAlGlass->AddNode( pPerpexPlug ,1,new TGeoTranslation(0*mm,0, 0.9*mm));
195 pPerpexPlug->AddNode( pHolePerpex ,1,new TGeoTranslation(6*mm,0, -5*mm));
196 pPerpexPlug->AddNode( pScrewCentral,1,new TGeoTranslation(0 ,0, 2.5*mm));
197 pPerpexPlug->AddNode( pScrewSr90 ,1,new TGeoTranslation(6*mm,0, 5*mm));
198 pScrewSr90->AddNode( pSr90 ,1,new TGeoTranslation(0 ,0,-4.5*mm));
199}//Sr90()
200//__________________________________________________________________________________________________
201void RusGel()
202{
203//Defines VHMPID aerogel option geometry.
204// top view normal position side view normal position
205// ^ y
206// -------- |
207// | | |
208// | | z<-----* y z<-------* x ----> MUON side
209// | | | ----
210// | | | | |
211// ________ v x | |
212// |--|
213// | |
214// ----
215//Chamber consists from Al box filled with air where 4 aerogel blocks and APD wall are positioned.
216// ------------------------------
217// |-| |-| |-| |-| |-||
218// |-| | | | | | | | ||
219// |-| | | | | | | | ||
220// |-| APD wall | | | | | | | || z<---* y top view
221// |-| | | | | | | | || |
222// |-| | | | | | | | || |
223// |-| |_| |_| |_| |_|| v x
224// ------------------------------
225//
226// ALIC
227// |
228// Vbox (Al)
229// |
230// Vair (Air)
231// _______|________
232// | |
233// 4*Vgel Vwall
234// |
235// Vcolumn (division along X)
236// |
237// Vcell (division along Y)
238// |
239// Vapd
240
241 Double_t cm=1 , m=100 , mm=0.1 ;//dimentions, default is cm
242
243 Int_t iNapdsX =10 ;//number of APDs along x
244 Int_t iNapdsY =16 ;//number of APDs along y
245 Double_t dCellX =1.5*mm *0.5 ;//cell X half size
246 Double_t dCellY =1.5*mm *0.5 ;//cell Y half size
247 Double_t dCellZ =0.5*mm *0.5 ;//APD wall thickness
248 Double_t dWallX = iNapdsX*dCellX;//APD wall X half size
249 Double_t dWallY = iNapdsY*dCellY;//APD wall Y half size
250 Double_t dWallZ = dCellZ;//APD wall half thickness
251 Double_t dApdR =0.5*mm ;//APD radius
252 Double_t dApdZ = dCellZ;//APD Z half size
253 Double_t dGelX = dWallX;//gel block X half size
254 Double_t dGelY = dWallY;//gel block Y half size
255 Double_t dGelZ =10*mm *0.5 ;//gel block Z half size
256 Double_t dProxGap =50*cm ;//half distance between APD wall and last aerogel block
257 Double_t dAirX = dWallX;//internal air X hald size
258 Double_t dAirY = dWallY;//internal air Y hald size
259 Double_t dAirZ = dWallZ+dProxGap+7*dGelZ;//internal air Z hald size
260 Double_t dBoxWall =2*mm *0.5 ;//Al box walls thickness
261 Double_t dBoxX = dAirX+dBoxWall;//Al box x half size
262 Double_t dBoxY = dAirY+dBoxWall;//Al box y half size
263 Double_t dBoxZ = dAirZ+dBoxWall;//Al box z half size
264
265 Int_t copy; Double_t rmin,rmax,dx,dy,dz;
266//make external Al box
267 TGeoVolume *pBox=gGeoManager->MakeBox("Gbox",gGeoManager->GetMedium("HMPID_Al"),dx=dBoxX,dy=dBoxY,dz=dBoxZ);
268 TGeoRotation *pRot=new TGeoRotation("GboxRot"); pRot->RotateX(90);
269 gGeoManager->GetVolume("ALIC")->AddNode(pBox,copy=1,new TGeoCombiTrans(0*m,-5.2*m,2.5*m,pRot));//normal position
270//position Air to Al box
271 TGeoVolume *pAir=gGeoManager->MakeBox( "Gair",gGeoManager->GetMedium("Air"),dx=dAirX,dy=dAirY,dz=dAirZ);
272 pBox->AddNode(pAir,copy=1);
273//position 4 gel blocks to Air
274 TGeoVolume *pGel24=gGeoManager->MakeBox( "Ggel24",gGeoManager->GetMedium("HMPID_Gel24"),dx=dGelX,dy=dGelY,dz=dGelZ);
275 pAir->AddNode(pGel24,copy=1,new TGeoTranslation(0,0,-dAirZ+1*dGelZ));
276 TGeoVolume *pGel26=gGeoManager->MakeBox( "Ggel26",gGeoManager->GetMedium("HMPID_Gel26"),dx=dGelX,dy=dGelY,dz=dGelZ);
277 pAir->AddNode(pGel26,copy=1,new TGeoTranslation(0,0,-dAirZ+5*dGelZ));
278 TGeoVolume *pGel28=gGeoManager->MakeBox( "Ggel28",gGeoManager->GetMedium("HMPID_Gel28"),dx=dGelX,dy=dGelY,dz=dGelZ);
279 pAir->AddNode(pGel28,copy=1,new TGeoTranslation(0,0,-dAirZ+9*dGelZ));
280 TGeoVolume *pGel30=gGeoManager->MakeBox( "Ggel30",gGeoManager->GetMedium("HMPID_Gel30"),dx=dGelX,dy=dGelY,dz=dGelZ);
281 pAir->AddNode(pGel30,copy=1,new TGeoTranslation(0,0,-dAirZ+13*dGelZ));
282//position APD wall to air
283 TGeoVolume *pWall =gGeoManager->MakeBox ("Gwall",gGeoManager->GetMedium("HMPID_Si"),dx=dWallX , dy=dWallY , dz=dWallZ );
284 pAir->AddNode(pWall,copy=1,new TGeoTranslation(0,0,dAirZ-dWallZ));
285//divide wall into cells
286 Int_t axis,ndiv; Double_t start,step;
287 TGeoVolume *pWallCol =pWall ->Divide("Gcol",axis=1,ndiv=iNapdsX,start=0,step=0);//divide VhGap along X by NpadsX columns
288 TGeoVolume *pWallCell=pWallCol ->Divide("Gcel",axis=2,ndiv=iNapdsY,start=0,step=0);//divide VhGapCol along Y by NpadsY cells
289//position APD to wall cell
290 TGeoVolume *pApd=gGeoManager->MakeTube("Gapd",gGeoManager->GetMedium("HMPID_Apd"),rmin=0,rmax=dApdR,dz=dApdZ); pWallCell->AddNode(pApd,copy=1);
291}//RusGel()
292//__________________________________________________________________________________________________
293void Vhmpid()
294{
295//Defines VHMPID geometry for TIC option.
296// top view normal position side view normal position
297// ^ y
298// -------- |
299// |------| |
300// | | z<-----* y z<-------* x ----> MUON side
301// | | | ----
302// | | | | |
303// ________ v x | |
304// |--|
305// | |
306// ----
307//Chamber consists from Al box filled with radiator CF4 and C4F10 quartz window in between , Al mirror and MWPC.
308// --------------------------------------------------- top view chamber in test position
309// | -------------- MWPC | quartz window |
310// | . . . . . . | |
311// | \ | |
312// | \ CF4 | C4F10 | z<-----* y
313// | \ mirror | | |
314// | \ | | |
315// | \ | | v x
316// ---------------------------------------------------
317// z ^
318// |
319// |
320// <-Y0-> X <--Y1--> X <--Y1--> X <--Y1--> X <-Y0-> | cath wires: r 50mkm; shift Y0=1.05m;, pitch Y1=2.1; center to PC 4.45mm; material Cu
321// x *------->y
322//
323// <--Y0--> x <-----------Y1-----------> x <--Y0--> anod wires: r 20mkm; shift Y0=2.2mm; pitch Y1=4.0mm; center to PC 2.04mm; material W
324//
325//
326// |________________________________________________| pad size y 8.4mm
327//
328// ALIC
329// |
330// Vbox
331// _______|______
332// | | |
333// Vc4f Vwin Vcf4
334// _____|________
335// | |
336// Vmir |
337// |
338// Vgap
339// |
340// Vcol (column of gap cells) X
341// |
342// Vcel cell in the column Y
343// ______|______
344// | | |
345// Vpad Vano Vcat
346 Double_t cm=1 , m=100 , mm=0.1 , um=1e-4 ;//dimentions, default is cm
347
348 Int_t iNpadsX = AliHMPIDParam::NpadsX() ;//number of pads along x parametrised
349 Int_t iNpadsY = AliHMPIDParam::NpadsY() ;//number of pads along y parametrised
350 Double_t wCathR =50 *um ;//cathode wire radius defined by USER
351 Double_t wCathShift =1.05*mm ;//cathode wire shift from pad edge defined by USER
352 Double_t wCathPitch =2.1 *mm ;//cathode wire pitch defined by USER
353 Double_t wCathPc =4.45*mm ;//distance from pc to cathode wire defined by USER
354 Double_t wAnodR =20 *um ;//anod wire radius defined by USER
355 Double_t wAnodShift =2.2 *mm ;//anod wire shift from pad edge defined by USER
356 Double_t wAnodPc =2.04*mm ;//distance from anod wire center to pc defined by USER
357 Double_t dPadX = 0.5* AliHMPIDParam::PadSizeX() ;//pad X half size parametrised
358 Double_t dPadY = 0.5* AliHMPIDParam::PadSizeY() ;//pad Y half size parametrised
359 Double_t dPadZ =1.0 *mm *0.5 ;//CsI film thickness
360 Double_t dGapX = 0.5* iNpadsX*2*dPadX ;//gap x half size n. pads x * pad size
361 Double_t dGapY = 0.5* iNpadsY*2*dPadY ;//gap y half size
362 Double_t dGapZ = 0.5* (2*dPadZ+wCathPc+wCathR) ;//gap half thickness
363 Double_t dMirX = 0.5* 2*dGapX/TMath::Cos(45*TMath::DegToRad());//Ag mirror x half size defined by gap size and angle 45 degrees
364 Double_t dMirY = 0.5* 2*dGapY ;//Ag mirror y half size defined by gap size
365 Double_t dMirZ =1.0 *mm *0.5 ;//Ag mirror z half size defined by USER
366 Double_t wBoxWall =2.0 *mm ;//Al box walls thickness defined by USER
367 Double_t dBoxX = 0.5* (2*dGapX+2*cm) ;//Al box x half size defined by gap size 2 cm for tolerance
368 Double_t dBoxY = 0.5* (2*dGapY+2*cm) ;//Al box y half size defined by gap size 2 cm for tolerance
369 Double_t dBoxZ =1.8*m *0.5 ;//Al box z half size defined by USER
370 Double_t dWinX = (dBoxX-wBoxWall) ;//SiO2 window x half size defined by box size
371 Double_t dWinY = (dBoxY-wBoxWall) ;//SiO2 window y half size defined by box size
372 Double_t dWinZ =1.0*cm *0.5 ;//SiO2 window z half size defined by USER
373 Double_t dCF4X = (dBoxX-wBoxWall) ;//CF4 radiator x half size defined by box size
374 Double_t dCF4Y = (dBoxY-wBoxWall) ;//CF4 radiator y half size defined by box size
375 Double_t dCF4Z = 0.4*dBoxZ ;//CF4 radiator z half size defined by box size or by USER
376 Double_t dC4F10X = (dBoxX-wBoxWall) ;//C4F10 radiator x half size defined by box size
377 Double_t dC4F10Y = (dBoxY-wBoxWall) ;//C4F10 radiator y half size defined by box size
378 Double_t dC4F10Z = (dBoxZ-dWinZ-dCF4Z-wBoxWall) ;//C4F10 radiator z half size defined by box, CF4 and window sizes
379
380 Int_t copy;
381 Double_t rmin,rmax,dx,dy,dz;
382
383//make VHMPID type 2 volume (2 radiators)
384 TGeoVolume *pBox=gGeoManager->MakeBox("Vbox",gGeoManager->GetMedium("HMPID_Al"),dx=dBoxX,dy=dBoxY,dz=dBoxZ);
385
386 TGeoRotation *pRot=new TGeoRotation("VboxRot"); pRot->RotateX(90);//normal position
387 gGeoManager->GetVolume("ALIC")->AddNode(pBox,copy=1,new TGeoCombiTrans(0*m,-5.2*m,2.5*m,pRot));
388//position C4F10 radiator to Al box
389 TGeoVolume *pC4F10=gGeoManager->MakeBox("Vc4f",gGeoManager->GetMedium("HMPID_C4F10"),dx=dC4F10X,dy=dC4F10Y,dz=dC4F10Z);
390 pBox->AddNode(pC4F10,copy=1,new TGeoTranslation(0*cm,0*cm,-dBoxZ+wBoxWall+dC4F10Z));
391//position quartz window to Al box
392 TGeoVolume *pWindow=gGeoManager->MakeBox( "Vwin",gGeoManager->GetMedium("HMPID_SiO2"),dx=dWinX,dy=dWinY,dz=dWinZ);
393 pBox->AddNode(pWindow,copy=1,new TGeoTranslation(0*cm,0*cm,-dBoxZ+wBoxWall+2*dCF4Z+dWinZ));
394//position CF4 radiator to Al box
395 TGeoVolume *pCF4=gGeoManager->MakeBox( "Vcf4",gGeoManager->GetMedium("HMPID_CF4"),dx=dCF4X,dy=dCF4Y,dz=dCF4Z);
396 pBox->AddNode(pCF4,copy=1,new TGeoTranslation(0*cm,0*cm,dBoxZ-wBoxWall-dCF4Z));
397//position mirror to CF4 radiator
398 TGeoVolume *pMirror=gGeoManager->MakeBox( "Vmir",gGeoManager->GetMedium("HMPID_Ag"),dx=dMirX,dy=dMirY,dz=dMirZ);
399 TGeoRotation *pMirrorRot=new TGeoRotation("VmirRot"); pMirrorRot->RotateY(45);
400 pCF4->AddNode(pMirror,copy=1,new TGeoCombiTrans(0*cm,0*cm,dCF4Z-1*cm-dGapX,pMirrorRot));
401//position gap to CF4 radiator
402 TGeoVolume *pGap =gGeoManager->MakeBox ("Vgap" ,gGeoManager->GetMedium("HMPID_CF4"),dx=dGapX , dy=dGapY , dz=dGapZ );
403 TGeoRotation *pMwpcRot=new TGeoRotation("VmpcRot"); pMwpcRot->RotateY(90);
404 pCF4->AddNode(pGap,copy=1,new TGeoCombiTrans(-dBoxX+1*cm,0*cm,dCF4Z-1*cm-dGapX,pMwpcRot));
405//divide gap into 80x48 cells
406 Int_t axis,ndiv; Double_t start,step;
407 TGeoVolume *pGapCol =pGap ->Divide("Vcol",axis=1,ndiv=iNpadsX,start=0,step=0);//divide VhGap along X by NpadsX columns
408 TGeoVolume *pGapCell=pGapCol ->Divide("Vcel",axis=2,ndiv=iNpadsY,start=0,step=0);//divide VhGapCol along Y by NpadsY cells
409//position pad to gap cell
410 TGeoVolume *pPad=gGeoManager->MakeBox ("Vpad",gGeoManager->GetMedium("HMPID_CsI"),dx=dPadX,dy=dPadY,dz=dPadZ);
411 pGapCell->AddNode(pPad,copy=1,new TGeoTranslation(0,0,-dGapZ+dPadZ));
412//define wire rotation common for both anod and cathode wires
413 TGeoRotation *pWireRot=new TGeoRotation("VwireRot"); pWireRot->RotateY(90); //rotate wires around Y to be along X (initially along Z)
414//position 2 anod wires to gap cell
415 TGeoVolume *pAnodWire =gGeoManager->MakeTube("Vano",gGeoManager->GetMedium("HMPID_W") ,rmin=0 , rmax=wAnodR , dz=dPadX );
416 pGapCell->AddNode(pAnodWire,copy=1,new TGeoCombiTrans (0, -dPadY+wAnodShift , -dGapZ+wAnodPc+2*dPadZ , pWireRot));
417 pGapCell->AddNode(pAnodWire,copy=2,new TGeoCombiTrans (0, dPadY-wAnodShift , -dGapZ+wAnodPc+2*dPadZ , pWireRot));
418//position 4 cathode wires to gap cell
419 TGeoVolume *pCathWire =gGeoManager->MakeTube("Vcat",gGeoManager->GetMedium("HMPID_Cu") ,rmin=0 , rmax=wCathR , dz=dPadX );
420 pGapCell->AddNode(pCathWire,copy=1,new TGeoCombiTrans (0, -dPadY+wCathShift , -dGapZ+wCathPc+2*dPadZ , pWireRot));
421 pGapCell->AddNode(pCathWire,copy=2,new TGeoCombiTrans (0, -dPadY+wCathShift+wCathPitch , -dGapZ+wCathPc+2*dPadZ , pWireRot));
422 pGapCell->AddNode(pCathWire,copy=3,new TGeoCombiTrans (0, dPadY-wCathShift-wCathPitch , -dGapZ+wCathPc+2*dPadZ , pWireRot));
423 pGapCell->AddNode(pCathWire,copy=4,new TGeoCombiTrans (0, dPadY-wCathShift , -dGapZ+wCathPc+2*dPadZ , pWireRot));
424}//Vhmpid()
425//__________________________________________________________________________________________________
426void Axis()
427{
428// Draw axises on top of geometry
429 Double_t X[6]={0,0,0,300,0,0}; Double_t Y[6]={0,0,0,0,300,0}; Double_t Z[6]={0,0,0,0,0,300};
430 TPolyLine3D *pXaxis=new TPolyLine3D(2,X);pXaxis->SetLineColor(kRed); pXaxis->Draw();
431 TPolyLine3D *pYaxis=new TPolyLine3D(2,Y);pYaxis->SetLineColor(kGreen); pYaxis->Draw();
432 TPolyLine3D *pZaxis=new TPolyLine3D(2,Z);pZaxis->SetLineColor(kBlue); pZaxis->Draw();
433}
434//__________________________________________________________________________________________________