1 /**************************************************************************
2 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
7 * Permission to use, copy, modify and distribute this software and its *
8 * documentation strictly for non-commercial purposes is hereby granted *
9 * without fee, provided that the above copyright notice appears in all *
10 * copies and that both the copyright notice and this permission notice *
11 * appear in the supporting documentation. The authors make no claims *
12 * about the suitability of this software for any purpose. It is *
13 * provided "as is" without express or implied warranty. *
14 **************************************************************************/
18 // Class AliMUONSt2GeometryBuilderV2
19 // -------------------------------
20 // MUON Station2 coarse geometry construction class.
21 //********************************************************************
22 // Author: SANJOY PAL ,Prof. SUKALYAN CHATTOPADHAYAY [SINP, KOLKATA]
23 // & Dr.SHAKEEL AHMAD (AMU), INDIA
24 //********************************************************************
27 #include <TVirtualMC.h>
28 #include <TGeoMatrix.h>
29 #include <Riostream.h>
34 #include "AliMUONSt2GeometryBuilderV2.h"
36 #include "AliMUONConstants.h"
37 #include "AliMUONGeometryModule.h"
38 #include "AliMUONGeometryEnvelopeStore.h"
39 #include "AliMUONConstants.h"
44 ClassImp(AliMUONSt2GeometryBuilderV2)
47 //______________________________________________________________________________
48 AliMUONSt2GeometryBuilderV2::AliMUONSt2GeometryBuilderV2(AliMUON* muon)
49 : AliMUONVGeometryBuilder(2, 2),
52 // Standard constructor
56 //______________________________________________________________________________
57 AliMUONSt2GeometryBuilderV2::AliMUONSt2GeometryBuilderV2()
58 : AliMUONVGeometryBuilder(),
61 // Default constructor
64 //______________________________________________________________________________
65 AliMUONSt2GeometryBuilderV2::~AliMUONSt2GeometryBuilderV2() {
73 //______________________________________________________________________________
74 void AliMUONSt2GeometryBuilderV2::CreateGeometry()
78 //********************************************************************
80 //********************************************************************
81 // indices 1 and 2 for first and second chambers in the station
82 // iChamber (first chamber) kept for other quanties than Z,
83 // assumed to be the same in both chambers
85 // Get tracking medias Ids
86 Int_t *idtmed = fMUON->GetIdtmed()->GetArray()-1099;
87 Int_t idAir = idtmed[1100]; // medium 1
88 Int_t idGas = idtmed[1108]; // medium Ar-CO2 gas (80%+20%)
89 Int_t idPCB = idtmed[1122]; // medium FR4
90 Int_t idCU = idtmed[1110]; // medium copper
91 Int_t idRoha = idtmed[1113]; // medium roha cell
92 Int_t idPGF30= idtmed[1123]; // medium for Frame Eq.to Bakelite
93 //Int_t idScru = idtmed[1128]; // screw material - Stainless Steel(18%Cr,9%Ni,Fe)
97 /*########################################################################################
98 Create volume for one Quadrant
99 ##########################################################################################*/
108 gMC->Gsvolu("SQM3","TUBS", idAir, tpar1, 5);
109 gMC->Gsvolu("SQM4","TUBS", idAir, tpar1, 5);
113 //==================================================================================
115 //==================================================================================
117 //Thickness of variour parts
118 Float_t zCbb = 0.04; //cathode pcb
119 Float_t zCu = 0.004; // eff. cu in cathode pcb
120 Float_t zRoha = 2.5; // Rhocell
121 Float_t zMeb = 0.08; //Mech. exit board
122 Float_t zEeb = 0.02; //Effective electronic exit board
123 //Z-positions of various parts--- in Plane-1
125 Float_t zposCbb = 0.25; // 2.5 mm => gap between anode & chatode plane
126 Float_t zposCu =zposCbb + zCbb;
127 Float_t zposRoha =zposCu + zCu;
128 Float_t zposMeb =zposRoha + zRoha;
129 Float_t zposEeb =zposMeb + zMeb;
131 Float_t zposCbbBar = zposCbb + zCbb/2.; //for segment 0 & 6
132 Float_t zposCuBar = zCbb/2. + zCu/2.;
133 Float_t zposRohaBar = zCu/2. + zRoha/2.;
134 Float_t zposMebBar = zRoha/2. + zMeb/2.;
135 Float_t zposEebBar = zMeb/2. + zEeb/2.;
138 //Cathode PCB + Copper sheet + Rohacell + mech exit board + eff. electronic exit board
140 //Segment-0 ~~~Horizantal box ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
142 bparH[0] = 94.5/2.; // extension beyond 0 deg in x direction
143 bparH[1] = 1.2/2.; // extension beyond 0 deg in y direction (3.7[total extn] - 2.5[frame dim])
144 bparH[2] = zCbb/2.; // thickness of cathode sheet in z direction
145 gMC->Gsvolu("CB0L", "BOX", idPCB, bparH, 3);
147 bparH[2] = zCu/2.; //Thickness of Copper sheet
148 gMC->Gsvolu("CU0L", "BOX", idCU, bparH, 3);
150 bparH[2] = zRoha/2.; //Thickness of Roha cell
151 gMC->Gsvolu("RH0L", "BOX", idRoha, bparH, 3);
153 bparH[2] = zMeb/2; //Thickness of mechanical exit board
154 gMC->Gsvolu("MB0L", "BOX", idPCB, bparH, 3);
156 bparH[2] = zEeb/2; //Thickness of effective electronic exit board
157 gMC->Gsvolu("EB0L", "BOX", idCU, bparH, 3);
159 //Segment-1 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
160 Float_t pgpar[10]; // polygon
161 pgpar[0] = 0.; // initial angle
162 pgpar[1] = 90.; // increment in angle starting from initial angle
163 pgpar[2] = 5; // number of side
164 pgpar[3] = 2.; // number of plane
165 pgpar[4] = 0.; // z-position of the first plane
166 pgpar[5] = 23.1; // innner radius first plane
167 pgpar[6] = 117.6; // outer radious first plane
168 pgpar[7] = pgpar[4] + zCbb; // z-position of the second plane
169 pgpar[8] = pgpar[5]; // innner radius of second plane
170 pgpar[9] = pgpar[6]; // outer radious of second plane
171 gMC->Gsvolu("CB1L", "PGON", idPCB, pgpar, 10);
173 pgpar[7] = pgpar[4] + zCu; // Thickness of copper-sheet
174 gMC->Gsvolu("CU1L", "PGON", idCU, pgpar, 10);
176 pgpar[7] = pgpar[4] + zRoha; // Thickness of Roha cell
177 gMC->Gsvolu("RH1L", "PGON", idRoha, pgpar, 10);
179 pgpar[7] = pgpar[4] + zMeb; // Thickness of mechanical exit board
180 gMC->Gsvolu("MB1L", "PGON", idPCB, pgpar, 10);
182 pgpar[7] = pgpar[4] + zEeb; // Thickness of electronic exit board
183 gMC->Gsvolu("EB1L", "PGON", idCU, pgpar, 10);
186 //Segment-2 - vertical box (simalar to horizontal bar as in Segment 0)~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
193 gMC->Gsvolu("CB2L", "BOX", idPCB, bparV, 3);
196 gMC->Gsvolu("CU2L", "BOX", idCU, bparV, 3);
199 gMC->Gsvolu("RH2L", "BOX", idRoha, bparV, 3);
202 gMC->Gsvolu("MB2L", "BOX", idPCB, bparV, 3);
205 gMC->Gsvolu("EB2L", "BOX", idCU, bparV, 3);
207 //....(Setting posion of Segment 0,1,2)..................................................................
209 Float_t xposHorBox = bparH[0] + 23.1; // 23.1 = 20.6(inner radius of qrd) + 2.5 (width of frame)
210 Float_t yposHorBox = -bparH[1];
212 Float_t xposVerBox = -bparV[0];
213 Float_t yposVerBox = bparV[1] + 23.1;
217 //Positioning the PCB
221 gMC->Gspos("CB0L",1, "SQM3",xposHorBox,yposHorBox,zposCbbBar,0, "ONLY");// box horizontal
222 gMC->Gspos("CB1L",1, "SQM3", 0.0,0.0,zposCbb,0, "ONLY");
223 gMC->Gspos("CB2L",1, "SQM3",xposVerBox,yposVerBox,zposCbbBar,0, "ONLY");// box vertical
225 gMC->Gspos("CB0L",2, "SQM3",xposHorBox,yposHorBox,-zposCbbBar,0, "ONLY");// box horizontal
226 gMC->Gspos("CB1L",2, "SQM3", 0.0,0.0,-(zposCbb+ zCbb),0, "ONLY");
227 gMC->Gspos("CB2L",2, "SQM3",xposVerBox,yposVerBox,zposCbbBar,0, "ONLY");// box vertical
230 gMC->Gspos("CB0L",3, "SQM4",xposHorBox,yposHorBox,zposCbbBar,0, "ONLY");
231 gMC->Gspos("CB1L",3, "SQM4", 0.0,0.0,zposCbb,0, "ONLY");
232 gMC->Gspos("CB2L",3, "SQM4",xposVerBox,yposVerBox,zposCbbBar,0, "ONLY");
234 gMC->Gspos("CB0L",4, "SQM4",xposHorBox,yposHorBox,-zposCbbBar,0, "ONLY");
235 gMC->Gspos("CB1L",4, "SQM4", 0.0,0.0,-(zposCbb+ zCbb),0, "ONLY");
236 gMC->Gspos("CB2L",4, "SQM4",xposVerBox,yposVerBox,zposCbbBar,0, "ONLY");
239 //Positioning Copper sheet
243 gMC->Gspos("CU0L",1, "SQM3",xposHorBox,yposHorBox,zposCuBar,0, "ONLY");
244 gMC->Gspos("CU1L",1, "SQM3", 0.0,0.0,zposCu,0, "ONLY");
245 gMC->Gspos("CU2L",1, "SQM3",xposVerBox,yposVerBox,zposCuBar,0, "ONLY");
247 gMC->Gspos("CU0L",2, "SQM3",xposHorBox,yposHorBox,-zposCuBar,0, "ONLY");
248 gMC->Gspos("CU1L",2, "SQM3", 0.0,0.0,-(zposCu+ zCu),0, "ONLY");
249 gMC->Gspos("CU2L",2, "SQM3",xposVerBox,yposVerBox,zposCuBar,0, "ONLY");
252 gMC->Gspos("CU0L",3, "SQM4",xposHorBox,yposHorBox,zposCuBar,0, "ONLY");
253 gMC->Gspos("CU1L",3, "SQM4", 0.0,0.0,zposCu,0, "ONLY");
254 gMC->Gspos("CU2L",3, "SQM4",xposVerBox,yposVerBox,zposCuBar,0, "ONLY");
256 gMC->Gspos("CU0L",4, "SQM4",xposHorBox,yposHorBox,-zposCuBar,0, "ONLY");
257 gMC->Gspos("CU1L",4, "SQM4", 0.0,0.0,-(zposCu+ zCu),0, "ONLY");
258 gMC->Gspos("CU2L",4, "SQM4",xposVerBox,yposVerBox,zposCuBar,0, "ONLY");
260 //Positioning Roha cell
264 gMC->Gspos("RH0L",1, "SQM3",xposHorBox,yposHorBox,zposRohaBar,0, "ONLY");
265 gMC->Gspos("RH1L",1, "SQM3", 0.0,0.0,zposRoha,0, "ONLY");
266 gMC->Gspos("RH2L",1, "SQM3",xposVerBox,yposVerBox,zposRohaBar,0, "ONLY");
268 gMC->Gspos("RH0L",2, "SQM3",xposHorBox,yposHorBox,-zposRohaBar,0, "ONLY");
269 gMC->Gspos("RH1L",2, "SQM3", 0.0,0.0,-(zposRoha+ zRoha),0, "ONLY");
270 gMC->Gspos("RH2L",2, "SQM3",xposVerBox,yposVerBox,zposRohaBar,0, "ONLY");
274 gMC->Gspos("RH0L",3, "SQM4",xposHorBox,yposHorBox,zposRohaBar,0, "ONLY");
275 gMC->Gspos("RH1L",3, "SQM4", 0.0,0.0,zposRoha,0, "ONLY");
276 gMC->Gspos("RH2L",3, "SQM4",xposVerBox,yposVerBox,zposRohaBar,0, "ONLY");
278 gMC->Gspos("RH0L",4, "SQM4",xposHorBox,yposHorBox,-zposRohaBar,0, "ONLY");
279 gMC->Gspos("RH1L",4, "SQM4", 0.0,0.0,-(zposRoha+ zRoha),0, "ONLY");
280 gMC->Gspos("RH2L",4, "SQM4",xposVerBox,yposVerBox,zposRohaBar,0, "ONLY");
282 //Positioning of Mech. exit board
286 gMC->Gspos("MB0L",1, "SQM3",xposHorBox,yposHorBox,zposMebBar,0, "ONLY");
287 gMC->Gspos("MB1L",1, "SQM3", 0.0,0.0,zposMeb,0, "ONLY");
288 gMC->Gspos("MB2L",1, "SQM3",xposVerBox,yposVerBox,zposMebBar,0, "ONLY");
290 gMC->Gspos("MB0L",2, "SQM3",xposHorBox,yposHorBox,-zposMebBar,0, "ONLY");
291 gMC->Gspos("MB1L",2, "SQM3", 0.0,0.0,-(zposMeb+ zMeb),0, "ONLY");
292 gMC->Gspos("MB2L",2, "SQM3",xposVerBox,yposVerBox,zposMebBar,0, "ONLY");
295 gMC->Gspos("MB0L",3, "SQM4",xposHorBox,yposHorBox,zposMebBar,0, "ONLY");
296 gMC->Gspos("MB1L",3, "SQM4", 0.0,0.0,zposMeb,0, "ONLY");
297 gMC->Gspos("MB2L",3, "SQM4",xposVerBox,yposVerBox,zposMebBar,0, "ONLY");
299 gMC->Gspos("MB0L",4, "SQM4",xposHorBox,yposHorBox,-zposMebBar,0, "ONLY");
300 gMC->Gspos("MB1L",4, "SQM4", 0.0,0.0,-(zposMeb+ zMeb),0, "ONLY");
301 gMC->Gspos("MB2L",4, "SQM4",xposVerBox,yposVerBox,zposMebBar,0, "ONLY");
303 //Positioning of Electronic exit board
308 gMC->Gspos("EB0L",1, "SQM3",xposHorBox,yposHorBox,zposEebBar,0, "ONLY");
309 gMC->Gspos("EB1L",1, "SQM3", 0.0,0.0,zposEeb,0, "ONLY");
310 gMC->Gspos("EB2L",1, "SQM3",xposVerBox,yposVerBox,zposEebBar,0, "ONLY");
312 gMC->Gspos("EB0L",2, "SQM3",xposHorBox,yposHorBox,-zposEebBar,0, "ONLY");
313 gMC->Gspos("EB1L",2, "SQM3", 0.0,0.0,-(zposEeb+ zEeb),0, "ONLY");
314 gMC->Gspos("EB2L",2, "SQM3",xposVerBox,yposVerBox,zposEebBar,0, "ONLY");
317 gMC->Gspos("EB0L",3, "SQM4",xposHorBox,yposHorBox,zposEebBar,0, "ONLY");
318 gMC->Gspos("EB1L",3, "SQM4", 0.0,0.0,zposEeb,0, "ONLY");
319 gMC->Gspos("EB2L",3, "SQM4",xposVerBox,yposVerBox,zposEebBar,0, "ONLY");
321 gMC->Gspos("EB0L",4, "SQM4",xposHorBox,yposHorBox,-zposEebBar,0, "ONLY");
322 gMC->Gspos("EB1L",4, "SQM4", 0.0,0.0,-(zposEeb+ zEeb),0, "ONLY");
323 gMC->Gspos("EB2L",4, "SQM4",xposVerBox,yposVerBox,zposEebBar,0, "ONLY");
326 //----------------------------------------------------------------------
328 //----------------------------------------------------------------------
331 frame1[0] = 101.0/2.; //100.6 = 94.5 + 2.5 + 3.6
335 gMC->Gsvolu("FRM1", "BOX", idPGF30, frame1, 3); //Frame - 1 // fill with pkk GF30
338 arib1[0] = frame1[0];
340 arib1[2] =(frame1[2]-0.95)/2.0;
342 gMC->Gsvolu("FRA1", "BOX", idAir, arib1, 3); // fill with air
344 Float_t xposarib1 = 0;
345 Float_t yposarib1 = -frame1[1] + arib1[1];
346 Float_t zposarib1 = frame1[2] - arib1[2];
348 gMC->Gspos("FRA1",1, "FRM1", xposarib1, yposarib1, zposarib1,0, "ONLY"); //replace pkk GF30 with air(b)
349 gMC->Gspos("FRA1",2, "FRM1", xposarib1, yposarib1, -zposarib1,0, "ONLY"); //replace pkk GF30 with air(nb)
352 rrib1[0] = frame1[0];
354 rrib1[2] =(frame1[2]-0.95)/2.0;
356 gMC->Gsvolu("FRR1", "BOX", idRoha, rrib1, 3); // fill with rohacell
358 Float_t xposrrib1 = 0.0;
359 Float_t yposrrib1 = frame1[1] - rrib1[1];
360 Float_t zposrrib1 = frame1[2] - rrib1[2];
362 gMC->Gspos("FRR1",1, "FRM1", xposrrib1, yposrrib1, zposrrib1,0, "ONLY");//replace pkk GF30 with rohacell
363 gMC->Gspos("FRR1",2, "FRM1", xposrrib1, yposrrib1, -zposrrib1,0, "ONLY");//replace pkk GF30 with rohacell
366 Float_t xposFr1 = frame1[0] + 20.6;
367 Float_t yposFr1 = -3.7 + frame1[1] ;
368 Float_t zposFr1 = 0.0;
370 gMC->Gspos("FRM1",1, "SQM3", xposFr1, yposFr1, zposFr1,0, "ONLY");// frame -1
371 gMC->Gspos("FRM1",2, "SQM4", xposFr1, yposFr1, zposFr1,0, "ONLY");// frame -1
374 //......................................................................................
382 gMC->Gsvolu("FRM2", "BOX", idPGF30, frame2, 3); //Frame - 2
385 rrib2[0] = frame2[0]-1.0/2.0;
386 rrib2[1] = frame2[1];
387 rrib2[2] =(frame2[2]-0.95)/2.0;
389 gMC->Gsvolu("FRR2", "BOX", idRoha, rrib2, 3);
391 Float_t xposrrib2 = -1.0/2.0;
392 Float_t yposrrib2 = 0.0;
393 Float_t zposrrib2 = frame2[2] - rrib2[2];
395 gMC->Gspos("FRR2",1, "FRM2", xposrrib2, yposrrib2, zposrrib2,0, "ONLY");//replace pkk GF30 with rohacell
396 gMC->Gspos("FRR2",2, "FRM2", xposrrib2, yposrrib2, -zposrrib2,0, "ONLY");//replace pkk GF30 with roha
400 Float_t xposFr2 = frame2[0] + 117.6;
401 Float_t yposFr2 = -frame2[1];
402 Float_t zposFr2 = 0.0;
404 gMC->Gspos("FRM2",1, "SQM3", xposFr2, yposFr2, zposFr2,0, "ONLY");//global positing of frame in SQM3
405 gMC->Gspos("FRM2",2, "SQM4", xposFr2, yposFr2, zposFr2,0, "ONLY");//global positing of frame in SQM4
408 //......................................................................................
411 Float_t pgparFr3[10];
419 pgparFr3[7] = pgparFr3[4] + 5.0;
420 pgparFr3[8] = pgparFr3[5];
421 pgparFr3[9] = pgparFr3[6];
423 gMC->Gsvolu("FRM3", "PGON", idPGF30, pgparFr3, 10);
425 Float_t pgparRrib3[10];
431 pgparRrib3[5] = 117.6;
432 pgparRrib3[6] = 120.6;
433 pgparRrib3[7] = pgparRrib3[4] +1.55 ;
434 pgparRrib3[8] = pgparRrib3[5];
435 pgparRrib3[9] = pgparRrib3[6];
437 gMC->Gsvolu("FRR3", "PGON", idRoha, pgparRrib3, 10);
439 Float_t xposrrib3 = 0.0;
440 Float_t yposrrib3 = 0.0;
441 Float_t zposrrib3 = 0.0;
443 gMC->Gspos("FRR3",1, "FRM3", xposrrib3, yposrrib3, zposrrib3,0, "ONLY");
447 gMC->Gspos("FRR3",2, "FRM3", xposrrib3, yposrrib3, zposrrib3,0, "ONLY");
451 Float_t xposFr3 = 0.0;
452 Float_t yposFr3 = 0.0;
453 Float_t zposFr3 = -frame1[2];
455 gMC->Gspos("FRM3",1, "SQM3", xposFr3, yposFr3, zposFr3,0, "ONLY");// frame -1
456 gMC->Gspos("FRM3",2, "SQM4", xposFr3, yposFr3, zposFr3,0, "ONLY");// frame -1
459 //......................................................................................
465 frame4[2] = frame1[2];
467 gMC->Gsvolu("FRM4", "BOX", idPGF30, frame4, 3);
470 rrib4[0] = frame4[0];
471 rrib4[1] = frame4[1]-1.0/2;
472 rrib4[2] =(frame4[2]-0.95)/2.0;
474 gMC->Gsvolu("FRR4", "BOX", idRoha, rrib4, 3);
476 Float_t xposrrib4 = 0.0;
477 Float_t yposrrib4 = -1.0/2;
478 Float_t zposrrib4 = frame4[2] - rrib4[2];
480 gMC->Gspos("FRR4",1, "FRM4", xposrrib4, yposrrib4, zposrrib4,0, "ONLY");
481 gMC->Gspos("FRR4",2, "FRM4", xposrrib4, yposrrib4, -zposrrib4,0, "ONLY");
485 Float_t xposFr4 = -frame4[0];
486 Float_t yposFr4 = -frame4[1] + 117.6;
487 Float_t zposFr4 = 0.0;
489 gMC->Gspos("FRM4",1, "SQM3", xposFr4, yposFr4, zposFr4,0, "ONLY");
490 gMC->Gspos("FRM4",2, "SQM4", xposFr4, yposFr4, zposFr4,0, "ONLY");
493 //......................................................................................
497 frame5[1] = 101.0/2.;
500 gMC->Gsvolu("FRM5", "BOX", idPGF30, frame5, 3); //Frame - 1
504 arib5[1] = frame5[1];
505 arib5[2] = (frame5[2]-0.95)/2.0;
507 gMC->Gsvolu("FRA5", "BOX", idAir, arib5, 3);
509 Float_t xposarib5 = -frame5[0] + arib5[0];
510 Float_t yposarib5 = 0.0;
511 Float_t zposarib5 = frame5[2] - arib5[2];
513 gMC->Gspos("FRA5",1, "FRM5", xposarib5, yposarib5, zposarib5,0, "ONLY");
514 gMC->Gspos("FRA5",2, "FRM5", xposarib5, yposarib5, -zposarib5,0, "ONLY");
518 rrib5[1] = frame5[1];
519 rrib5[2] = (frame5[2]-0.95)/2.0;
521 gMC->Gsvolu("FRR5", "BOX", idRoha, rrib5, 3);
523 Float_t xposrrib5 = frame5[0] - rrib5[0];
524 Float_t yposrrib5 = 0.0;
525 Float_t zposrrib5 = frame5[2] - rrib5[2];
527 gMC->Gspos("FRR5",1, "FRM5", xposrrib5, yposrrib5, zposrrib5,0, "ONLY");
528 gMC->Gspos("FRR5",2, "FRM5", xposrrib5, yposrrib5, -zposrrib5,0, "ONLY");
530 Float_t xposFr5 = -3.7 + frame5[0];
531 Float_t yposFr5 = frame5[1] + 20.6;
532 Float_t zposFr5 = 0.0;
534 gMC->Gspos("FRM5",1, "SQM3", xposFr5, yposFr5, zposFr5,0, "ONLY");
535 gMC->Gspos("FRM5",2, "SQM4", xposFr5, yposFr5, zposFr5,0, "ONLY");
537 //......................................................................................
543 frame6[2] = frame1[2];
545 gMC->Gsvolu("FRM6", "BOX", idPGF30, frame6, 3);
548 rrib6[0] = frame6[0];
550 rrib6[2] =(frame2[2]-0.95)/2.0;
552 gMC->Gsvolu("FRR6", "BOX", idRoha, rrib6, 3);
554 Float_t xposrrib6 = 0.0;
555 Float_t yposrrib6 = 1.0/2.0;
556 Float_t zposrrib6 = frame6[2] - rrib6[2];
558 gMC->Gspos("FRR6",1, "FRM6", xposrrib6, yposrrib6, zposrrib6,0, "ONLY");
559 gMC->Gspos("FRR6",2, "FRM6", xposrrib6, yposrrib6, -zposrrib6,0, "ONLY");
563 Float_t xposFr6 = -frame6[0];
564 Float_t yposFr6 = frame6[1] + 20.6;
565 Float_t zposFr6 = 0.0;
567 gMC->Gspos("FRM6",1, "SQM3", xposFr6, yposFr6, zposFr6,0, "ONLY");
568 gMC->Gspos("FRM6",2, "SQM4", xposFr6, yposFr6, zposFr6,0, "ONLY");
571 //......................................................................................
572 //Frame - 7 inner pgon
574 Float_t pgparFr7[10];
582 pgparFr7[7] = pgparFr7[4] + 5.0;
583 pgparFr7[8] = pgparFr7[5];
584 pgparFr7[9] = pgparFr7[6];
586 gMC->Gsvolu("FRM7", "PGON", idPGF30, pgparFr7, 10);
588 Float_t pgparRrib7[10];
594 pgparRrib7[5] = 21.6;
595 pgparRrib7[6] = 23.1;
596 pgparRrib7[7] = pgparRrib7[4] + 1.55;
597 pgparRrib7[8] = pgparRrib7[5];
598 pgparRrib7[9] = pgparRrib7[6];
600 gMC->Gsvolu("FRR7", "PGON", idRoha, pgparRrib7, 10);
602 Float_t xposrrib7 = 0.0;
603 Float_t yposrrib7 = 0.0;
604 Float_t zposrrib7 = 0.0;
606 gMC->Gspos("FRR7",1, "FRM7", xposrrib7, yposrrib7, zposrrib7,0, "ONLY");
610 gMC->Gspos("FRR7",2, "FRM7", xposrrib7, yposrrib7, zposrrib7,0, "ONLY");
612 Float_t xposFr7 = 0.0;
613 Float_t yposFr7 = 0.0;
614 Float_t zposFr7 = -frame1[2];
616 gMC->Gspos("FRM7",1, "SQM3", xposFr7, yposFr7, zposFr7,0, "ONLY");
617 gMC->Gspos("FRM7",2, "SQM4", xposFr7, yposFr7, zposFr7,0, "ONLY");
620 //......................................................................................
627 frame8[2] = frame1[2];
629 gMC->Gsvolu("FRM8", "BOX", idPGF30, frame8, 3); //Frame - 2
632 rrib8[0] = frame8[0]-1.0/2;
633 rrib8[1] = frame8[1];
634 rrib8[2] =(frame8[2]-0.95)/2.0;
636 gMC->Gsvolu("FRR8", "BOX", idRoha, rrib8, 3);
638 Float_t xposrrib8 = -1.0/2;
639 Float_t yposrrib8 = 0.0;
640 Float_t zposrrib8 = frame8[2] - rrib8[2];
642 gMC->Gspos("FRR8",1, "FRM8", xposrrib8, yposrrib8, zposrrib8,0, "ONLY");
643 gMC->Gspos("FRR8",2, "FRM8", xposrrib8, yposrrib8, -zposrrib8,0, "ONLY");
647 Float_t xposFr8 = frame8[0] + 20.6;
648 Float_t yposFr8 = -frame8[1];
649 Float_t zposFr8 = 0.0;
651 gMC->Gspos("FRM8",1, "SQM3", xposFr8, yposFr8, zposFr8,0, "ONLY");
652 gMC->Gspos("FRM8",2, "SQM4", xposFr8, yposFr8, zposFr8,0, "ONLY");
657 //^^^^^^^^^^^^^^^^^^^^^^^^^ Sensitive volumes ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
659 Float_t zsenv = 0.5; // distance between two cathode plane
661 //Segment-0 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
665 gMC->Gsvolu("C3G0", "BOX", idGas, bparH, 3);
666 gMC->Gsvolu("C4G0", "BOX", idGas, bparH, 3);
668 //Segment-1 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
673 pgpar[4] = -zsenv/2.;
679 gMC->Gsvolu("C3G1", "PGON", idGas, pgpar, 10);
680 gMC->Gsvolu("C4G1", "PGON", idGas, pgpar, 10);
683 //Segment-2 - vertical box ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
688 gMC->Gsvolu("C3G2", "BOX", idGas, bparV, 3);
689 gMC->Gsvolu("C4G2", "BOX", idGas, bparV, 3);
691 //...........................................................................................
693 xposHorBox = bparH[0] + 23.1;
694 yposHorBox = -bparH[1];
696 xposVerBox = -bparV[0];
697 yposVerBox = bparV[1] + 23.1;
699 gMC->Gspos("C3G0",1, "SQM3", xposHorBox,yposHorBox,0.,0, "ONLY");
700 gMC->Gspos("C3G1",1, "SQM3", 0.,0.,0.,0, "ONLY");
701 gMC->Gspos("C3G2",1, "SQM3", xposVerBox,yposVerBox,0.,0, "ONLY");
704 gMC->Gspos("C4G0",1, "SQM4", xposHorBox,yposHorBox,0.,0, "ONLY");
705 gMC->Gspos("C4G1",1, "SQM4", 0.,0.,0.,0, "ONLY");
706 gMC->Gspos("C4G2",1, "SQM4", xposVerBox,yposVerBox,0.,0, "ONLY");
709 //^^^^^^^^^^^^^^^^^^^^^^^^^ Sensitive volumes ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
712 //##################################################################################################
713 // Positioning Quadrant in chamber#3 and chamber#4
714 //##################################################################################################
715 /******Transformations for Quadrant**********************************************
716 || I => Quadrant I: no rotation
718 II. || I. II => Quadrant II: Reflaction of Quadrant I in XZ plane
719 || => TGeoRotation("Qrot2",90.,180.,90.,90.,180.,0.);
721 || III => Quadrant III: 180 degree rotation of Quadrant I in XY plane
722 III. || IV. => TGeoRotation("Qrot3",90.,180.,90.,90.,180.,0.);
723 || IV => Quadrant IV:-180 degree rotation of Quadrant II in XY plane
724 => TGeoRotation("Qrot4",90.,0.,90.,-90.,180.,0.);
725 **********************************************************************************************/
727 Int_t detElemId1 = 1; // quadrant I
728 Int_t detElemId2 = 0; // quadrant II
729 Int_t detElemId3 = 3; // quadrant III
730 Int_t detElemId4 = 2; // quadrant IV
732 //Float_t halfChamber = zCbb + zCu + zRoha + zMeb + zEeb + zsenv/2;
733 // cout<< "\n half_chamber \t" << half_chamber << endl;
735 Float_t halfChamber = tpar1[2];// tpar1[2] = 6.8/2;
737 // ------------------------------St2 Chamber3------------------------------------------------
739 // GetEnvelopes(2)->AddEnvelope("S3M0", 300, true,TGeoTranslation(0.,0.,0.));
740 GetEnvelopes(2)->AddEnvelope("SQM3", 300+detElemId1, 1, TGeoTranslation( 0., 0., - halfChamber));
741 GetEnvelopes(2)->AddEnvelope("SQM3", 300+detElemId2, 2, TGeoTranslation( 0., 0., + halfChamber),
742 TGeoRotation("Qrot3",90.,180.,90.,90.,180.,0.));
743 GetEnvelopes(2)->AddEnvelope("SQM3", 300+detElemId3, 3, TGeoTranslation( 0., 0., - halfChamber),
744 TGeoRotation("Qrot3",90.,180.,90.,270.,0.,0.));
745 GetEnvelopes(2)->AddEnvelope("SQM3", 300+detElemId4, 4, TGeoTranslation( 0., 0., + halfChamber),
746 TGeoRotation("Qrot4",90.,0.,90.,-90.,180.,0.));
748 //--------------------------------St2 Chamber4-------------------------------------------------
750 GetEnvelopes(3)->AddEnvelope("SQM4", 400+detElemId1, 1, TGeoTranslation( 0., 0., - halfChamber));
751 GetEnvelopes(3)->AddEnvelope("SQM4", 400+detElemId2, 2, TGeoTranslation( 0., 0., + halfChamber),
752 TGeoRotation("Qrot2",90.,180.,90.,90.,180.,0.));
753 GetEnvelopes(3)->AddEnvelope("SQM4", 400+detElemId3, 3, TGeoTranslation( 0., 0., - halfChamber),
754 TGeoRotation("Qrot3",90.,180.,90.,270.,0.,0.));
755 GetEnvelopes(3)->AddEnvelope("SQM4", 400+detElemId4, 4, TGeoTranslation( 0., 0., + halfChamber),
756 TGeoRotation("Qrot4",90.,0.,90.,-90.,180.,0.));
758 //**********************************************************************************************
761 //______________________________________________________________________________
762 void AliMUONSt2GeometryBuilderV2::SetTransformations()
764 // Defines the transformations for the station2 chambers.
767 if (gAlice->GetModule("SHIL")) {
768 SetMotherVolume(2, "YOUT1");
769 SetMotherVolume(3, "YOUT1");
772 // Define chamber volumes as virtual
773 SetVolume(2, "SC03", true);
774 SetVolume(3, "SC04", true);
776 Double_t zpos1 = - AliMUONConstants::DefaultChamberZ(2);
777 SetTranslation(2, TGeoTranslation(0., 0., zpos1));
779 Double_t zpos2 = - AliMUONConstants::DefaultChamberZ(3);
780 SetTranslation(3, TGeoTranslation(0., 0., zpos2));
783 //______________________________________________________________________________
784 void AliMUONSt2GeometryBuilderV2::SetSensitiveVolumes()
786 // Defines the sensitive volumes for station2 chambers.
789 GetGeometry(2)->SetSensitiveVolume("C3G0");
790 GetGeometry(2)->SetSensitiveVolume("C3G1");
791 GetGeometry(2)->SetSensitiveVolume("C3G2");
793 GetGeometry(3)->SetSensitiveVolume("C4G0");
794 GetGeometry(3)->SetSensitiveVolume("C4G1");
795 GetGeometry(3)->SetSensitiveVolume("C4G2");