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New geometry files from R.Barbera
[u/mrichter/AliRoot.git] / MUON / AliMUONv0.cxx
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fe4da5cc 1/////////////////////////////////////////////////////////
2// Manager and hits classes for set:MUON version 0 //
3/////////////////////////////////////////////////////////
4
5#include <TTUBE.h>
6#include <TNode.h>
7#include <TRandom.h>
8
9#include "AliMUONv0.h"
10#include "AliRun.h"
11#include "AliMC.h"
12#include "iostream.h"
13#include "AliCallf77.h"
14#include "AliConst.h"
15
16#define trig trig_
17
18extern "C" void type_of_call trig(float (*)[4], float (*)[4], int& iflag);
19
20ClassImp(AliMUONv0)
21
22//___________________________________________
23AliMUONv0::AliMUONv0() : AliMUON()
24{
25 fChambers = 0;
26}
27
28//___________________________________________
29AliMUONv0::AliMUONv0(const char *name, const char *title)
30 : AliMUON(name,title)
31{
32//
33// z-Positions of Chambers
34 const Float_t zch[7]={511., 686., 971., 1245., 1445., 1610, 1710.};
35//
36// inner diameter
37 const Float_t dmi[7]={ 35., 47., 67., 86., 100., 96., 101.96};
38//
39// outer diameter
40 const Float_t dma[7]={183., 245., 346., 442., 513., 824., 874.};
41//
42 Int_t k;
43
44 fChambers = new TObjArray(14);
45
46 for (Int_t i=0; i<7; i++) {
47 for (Int_t j=0; j< 2; j++) {
48//
49//
50// Default Parameters for Muon Tracking Stations
51 k=2*i+j;
52//
53 (*fChambers)[k] = new AliMUONchamber();
54 AliMUONchamber* chamber = (AliMUONchamber*) (*fChambers)[k];
55 chamber->SetGid(0);
56 chamber->SetZPOS(zch[i]);
57//
58 chamber->InitGeo(zch[i]);
59 chamber->frMin=dmi[i]/2.;
60 chamber->frMax=dma[i]/2.;
61//
62 } // Chamber j in
63 } // Station i
64 fMaxStepGas=0.01;
65 fMaxStepAlu=0.1;
66 fMaxDestepGas=-1;
67 fMaxDestepAlu=-1;
68}
69
70//___________________________________________
71void AliMUONv0::Trigger(Float_t (*x)[4], Float_t (*y)[4], Int_t& iflag)
72{
73 trig(x,y,iflag);
74}
75
76//___________________________________________
77void AliMUONv0::CreateGeometry()
78{
ad51aeb0 79 Int_t *idtmed = fIdtmed->GetArray()-1099;
fe4da5cc 80//
81// Note: all chambers have the same structure, which could be
82// easily parameterised. This was intentionally not done in order
83// to give a starting point for the implementation of the actual
84// design of each station.
85//
86// Distance between Stations
87 const Float_t dstation = 8.;
88//
89 Float_t bpar[3];
90 Float_t tpar[3];
91 Float_t tspar[5], pgpar[10];
92 Float_t zpos1, zpos2, zfpos;
93 Float_t dframep=3.;
94 Float_t dframez=0.9;
95 Float_t dr, rMin;
96//
97// Rotation matrices in the x-y plane
98 Int_t idrotm[1199];
99// phi= 0 deg
100 AliMatrix(idrotm[1100], 90., 0., 90., 90., 0., 0.);
101// phi= 90 deg
102 AliMatrix(idrotm[1101], 90., 90., 90., 180., 0., 0.);
103// phi= 180 deg
104 AliMatrix(idrotm[1102], 90., 180., 90., 270., 0., 0.);
105// phi= 270 deg
106 AliMatrix(idrotm[1103], 90., 270., 90., 0., 0., 0.);
107//
108 Float_t phi=2*TMath::Pi()/12/2;
109
110//
111// pointer to the current chamber
112 AliMUONchamber *iChamber;
113//********************************************************************
114// Station 1 **
115//********************************************************************
116// CONCENTRIC
117 iChamber=(AliMUONchamber*) (*fChambers)[0];
118 zpos1=iChamber->ZPosition()-dstation/2;
119 zpos2=zpos1+dstation;
120 zfpos=-(iChamber->fdGas+dframez)/2;
121
122//
123// Mother volume
124 tpar[0] = iChamber->frMin-dframep;
125 tpar[1] = (iChamber->frMax+dframep)/TMath::Cos(phi);
126 tpar[2] = dstation/2;
127
cfce8870 128 gMC->Gsvolu("C01M", "TUBE", idtmed[1100], tpar, 3);
129 gMC->Gsvolu("C02M", "TUBE", idtmed[1100], tpar, 3);
130 gMC->Gspos("C01M", 1, "ALIC", 0., 0., zpos1 , 0, "ONLY");
131 gMC->Gspos("C02M", 1, "ALIC", 0., 0., zpos2 , 0, "ONLY");
fe4da5cc 132// Aluminium frames
133// Outer frames
134 pgpar[0] = 360/12/2;
135 pgpar[1] = 360.;
136 pgpar[2] = 12.;
137 pgpar[3] = 2;
138 pgpar[4] = -dframez/2;
139 pgpar[5] = iChamber->frMax;
140 pgpar[6] = pgpar[5]+dframep;
141 pgpar[7] = +dframez/2;
142 pgpar[8] = pgpar[5];
143 pgpar[9] = pgpar[6];
cfce8870 144 gMC->Gsvolu("C01O", "PGON", idtmed[1103], pgpar, 10);
145 gMC->Gsvolu("C02O", "PGON", idtmed[1103], pgpar, 10);
146 gMC->Gspos("C01O",1,"C01M", 0.,0.,-zfpos, 0,"ONLY");
147 gMC->Gspos("C01O",2,"C01M", 0.,0.,+zfpos, 0,"ONLY");
148 gMC->Gspos("C02O",1,"C02M", 0.,0.,-zfpos, 0,"ONLY");
149 gMC->Gspos("C02O",2,"C02M", 0.,0.,+zfpos, 0,"ONLY");
fe4da5cc 150//
151// Inner frame
152 tpar[0]= iChamber->frMin-dframep;
153 tpar[1]= iChamber->frMin;
154 tpar[2]= dframez/2;
cfce8870 155 gMC->Gsvolu("C01I", "TUBE", idtmed[1103], tpar, 3);
156 gMC->Gsvolu("C02I", "TUBE", idtmed[1103], tpar, 3);
fe4da5cc 157
cfce8870 158 gMC->Gspos("C01I",1,"C01M", 0.,0.,-zfpos, 0,"ONLY");
159 gMC->Gspos("C01I",2,"C01M", 0.,0.,+zfpos, 0,"ONLY");
160 gMC->Gspos("C02I",1,"C02M", 0.,0.,-zfpos, 0,"ONLY");
161 gMC->Gspos("C02I",2,"C02M", 0.,0.,+zfpos, 0,"ONLY");
fe4da5cc 162//
163// Frame Crosses
164 bpar[0] = (iChamber->frMax - iChamber->frMin)/2;
165 bpar[1] = dframep/2;
166 bpar[2] = dframez/2;
cfce8870 167 gMC->Gsvolu("C01B", "BOX", idtmed[1103], bpar, 3);
168 gMC->Gsvolu("C02B", "BOX", idtmed[1103], bpar, 3);
fe4da5cc 169
cfce8870 170 gMC->Gspos("C01B",1,"C01M", +iChamber->frMin+bpar[0] , 0,-zfpos,
fe4da5cc 171idrotm[1100],"ONLY");
cfce8870 172 gMC->Gspos("C01B",2,"C01M", -iChamber->frMin-bpar[0] , 0,-zfpos,
fe4da5cc 173idrotm[1100],"ONLY");
cfce8870 174 gMC->Gspos("C01B",3,"C01M", 0, +iChamber->frMin+bpar[0] ,-zfpos,
fe4da5cc 175idrotm[1101],"ONLY");
cfce8870 176 gMC->Gspos("C01B",4,"C01M", 0, -iChamber->frMin-bpar[0] ,-zfpos,
fe4da5cc 177idrotm[1101],"ONLY");
cfce8870 178 gMC->Gspos("C01B",5,"C01M", +iChamber->frMin+bpar[0] , 0,+zfpos,
fe4da5cc 179idrotm[1100],"ONLY");
cfce8870 180 gMC->Gspos("C01B",6,"C01M", -iChamber->frMin-bpar[0] , 0,+zfpos,
fe4da5cc 181idrotm[1100],"ONLY");
cfce8870 182 gMC->Gspos("C01B",7,"C01M", 0, +iChamber->frMin+bpar[0] ,+zfpos,
fe4da5cc 183idrotm[1101],"ONLY");
cfce8870 184 gMC->Gspos("C01B",8,"C01M", 0, -iChamber->frMin-bpar[0] ,+zfpos,
fe4da5cc 185idrotm[1101],"ONLY");
186
cfce8870 187 gMC->Gspos("C02B",1,"C02M", +iChamber->frMin+bpar[0] , 0,-zfpos,
fe4da5cc 188idrotm[1100],"ONLY");
cfce8870 189 gMC->Gspos("C02B",2,"C02M", -iChamber->frMin-bpar[0] , 0,-zfpos,
fe4da5cc 190idrotm[1100],"ONLY");
cfce8870 191 gMC->Gspos("C02B",3,"C02M", 0, +iChamber->frMin+bpar[0] ,-zfpos,
fe4da5cc 192idrotm[1101],"ONLY");
cfce8870 193 gMC->Gspos("C02B",4,"C02M", 0, -iChamber->frMin-bpar[0] ,-zfpos,
fe4da5cc 194idrotm[1101],"ONLY");
cfce8870 195 gMC->Gspos("C02B",5,"C02M", +iChamber->frMin+bpar[0] , 0,+zfpos,
fe4da5cc 196idrotm[1100],"ONLY");
cfce8870 197 gMC->Gspos("C02B",6,"C02M", -iChamber->frMin-bpar[0] , 0,+zfpos,
fe4da5cc 198idrotm[1100],"ONLY");
cfce8870 199 gMC->Gspos("C02B",7,"C02M", 0, +iChamber->frMin+bpar[0] ,+zfpos,
fe4da5cc 200idrotm[1101],"ONLY");
cfce8870 201 gMC->Gspos("C02B",8,"C02M", 0, -iChamber->frMin-bpar[0] ,+zfpos,
fe4da5cc 202idrotm[1101],"ONLY");
203
204//
205// Chamber Material represented by Alu sheet
206 tpar[0]= iChamber->frMin+dframep*2;
207 tpar[1]= iChamber->frMax-dframep*2;
208 tpar[2] = (iChamber->fdGas+iChamber->fdAlu)/2;
cfce8870 209 gMC->Gsvolu("C01A", "TUBE", idtmed[1103], tpar, 3);
210 gMC->Gsvolu("C02A", "TUBE", idtmed[1103], tpar, 3);
211 gMC->Gspos("C01A", 1, "C01M", 0., 0., 0., 0, "ONLY");
212 gMC->Gspos("C02A", 1, "C02M", 0., 0., 0., 0, "ONLY");
fe4da5cc 213//
214// Sensitive volumes
215 // tpar[2] = iChamber->fdGas;
216 tpar[2] = iChamber->fdGas/2;
cfce8870 217 gMC->Gsvolu("C01G", "TUBE", idtmed[1105], tpar, 3);
218 gMC->Gsvolu("C02G", "TUBE", idtmed[1105], tpar, 3);
219 gMC->Gspos("C01G", 1, "C01A", 0., 0., 0., 0, "ONLY");
220 gMC->Gspos("C02G", 1, "C02A", 0., 0., 0., 0, "ONLY");
fe4da5cc 221//
222// Frame Crosses to be placed inside gas
223 dr = (iChamber->frMax - iChamber->frMin);
224 bpar[0] = TMath::Sqrt(dr*dr-dframep*dframep/4)/2;
225 bpar[1] = dframep/2;
226 bpar[2] = iChamber->fdGas/2;
cfce8870 227 gMC->Gsvolu("C01F", "BOX", idtmed[1103], bpar, 3);
228 gMC->Gsvolu("C02F", "BOX", idtmed[1103], bpar, 3);
fe4da5cc 229
cfce8870 230 gMC->Gspos("C01F",1,"C01G", +iChamber->frMin+bpar[0] , 0, 0,
fe4da5cc 231idrotm[1100],"ONLY");
cfce8870 232 gMC->Gspos("C01F",2,"C01G", -iChamber->frMin-bpar[0] , 0, 0,
fe4da5cc 233idrotm[1100],"ONLY");
cfce8870 234 gMC->Gspos("C01F",3,"C01G", 0, +iChamber->frMin+bpar[0] , 0,
fe4da5cc 235idrotm[1101],"ONLY");
cfce8870 236 gMC->Gspos("C01F",4,"C01G", 0, -iChamber->frMin-bpar[0] , 0,
fe4da5cc 237idrotm[1101],"ONLY");
238
cfce8870 239 gMC->Gspos("C02F",1,"C02G", +iChamber->frMin+bpar[0] , 0, 0,
fe4da5cc 240idrotm[1100],"ONLY");
cfce8870 241 gMC->Gspos("C02F",2,"C02G", -iChamber->frMin-bpar[0] , 0, 0,
fe4da5cc 242idrotm[1100],"ONLY");
cfce8870 243 gMC->Gspos("C02F",3,"C02G", 0, +iChamber->frMin+bpar[0] , 0,
fe4da5cc 244idrotm[1101],"ONLY");
cfce8870 245 gMC->Gspos("C02F",4,"C02G", 0, -iChamber->frMin-bpar[0] , 0,
fe4da5cc 246idrotm[1101],"ONLY");
247//
248//
249//********************************************************************
250// Station 2 **
251//********************************************************************
252 iChamber=(AliMUONchamber*) (*fChambers)[2];
253 zpos1=iChamber->ZPosition()-dstation/2;
254 zpos2=zpos1+dstation;
255 zfpos=-(iChamber->fdGas+dframez)/2;
256
257//
258// Mother volume
259 tpar[0] = iChamber->frMin-dframep;
260 tpar[1] = (iChamber->frMax+dframep)/TMath::Cos(phi);
261 tpar[2] = dstation/2;
262
cfce8870 263 gMC->Gsvolu("C03M", "TUBE", idtmed[1100], tpar, 3);
264 gMC->Gsvolu("C04M", "TUBE", idtmed[1100], tpar, 3);
265 gMC->Gspos("C03M", 1, "ALIC", 0., 0., zpos1 , 0, "ONLY");
266 gMC->Gspos("C04M", 1, "ALIC", 0., 0., zpos2 , 0, "ONLY");
fe4da5cc 267// Aluminium frames
268// Outer frames
269 pgpar[0] = 360/12/2;
270 pgpar[1] = 360.;
271 pgpar[2] = 12.;
272 pgpar[3] = 2;
273 pgpar[4] = -dframez/2;
274 pgpar[5] = iChamber->frMax;
275 pgpar[6] = pgpar[5]+dframep;
276 pgpar[7] = +dframez/2;
277 pgpar[8] = pgpar[5];
278 pgpar[9] = pgpar[6];
cfce8870 279 gMC->Gsvolu("C03O", "PGON", idtmed[1103], pgpar, 10);
280 gMC->Gsvolu("C04O", "PGON", idtmed[1103], pgpar, 10);
281 gMC->Gspos("C03O",1,"C03M", 0.,0.,-zfpos, 0,"ONLY");
282 gMC->Gspos("C03O",2,"C03M", 0.,0.,+zfpos, 0,"ONLY");
283 gMC->Gspos("C04O",1,"C04M", 0.,0.,-zfpos, 0,"ONLY");
284 gMC->Gspos("C04O",2,"C04M", 0.,0.,+zfpos, 0,"ONLY");
fe4da5cc 285//
286// Inner frame
287 tpar[0]= iChamber->frMin-dframep;
288 tpar[1]= iChamber->frMin;
289 tpar[2]= dframez/2;
cfce8870 290 gMC->Gsvolu("C03I", "TUBE", idtmed[1103], tpar, 3);
291 gMC->Gsvolu("C04I", "TUBE", idtmed[1103], tpar, 3);
fe4da5cc 292
cfce8870 293 gMC->Gspos("C03I",1,"C03M", 0.,0.,-zfpos, 0,"ONLY");
294 gMC->Gspos("C03I",2,"C03M", 0.,0.,+zfpos, 0,"ONLY");
295 gMC->Gspos("C04I",1,"C04M", 0.,0.,-zfpos, 0,"ONLY");
296 gMC->Gspos("C04I",2,"C04M", 0.,0.,+zfpos, 0,"ONLY");
fe4da5cc 297//
298// Frame Crosses
299 bpar[0] = (iChamber->frMax - iChamber->frMin)/2;
300 bpar[1] = dframep/2;
301 bpar[2] = dframez/2;
cfce8870 302 gMC->Gsvolu("C03B", "BOX", idtmed[1103], bpar, 3);
303 gMC->Gsvolu("C04B", "BOX", idtmed[1103], bpar, 3);
fe4da5cc 304
cfce8870 305 gMC->Gspos("C03B",1,"C03M", +iChamber->frMin+bpar[0] , 0,-zfpos,
fe4da5cc 306idrotm[1100],"ONLY");
cfce8870 307 gMC->Gspos("C03B",2,"C03M", -iChamber->frMin-bpar[0] , 0,-zfpos,
fe4da5cc 308idrotm[1100],"ONLY");
cfce8870 309 gMC->Gspos("C03B",3,"C03M", 0, +iChamber->frMin+bpar[0] ,-zfpos,
fe4da5cc 310idrotm[1101],"ONLY");
cfce8870 311 gMC->Gspos("C03B",4,"C03M", 0, -iChamber->frMin-bpar[0] ,-zfpos,
fe4da5cc 312idrotm[1101],"ONLY");
cfce8870 313 gMC->Gspos("C03B",5,"C03M", +iChamber->frMin+bpar[0] , 0,+zfpos,
fe4da5cc 314idrotm[1100],"ONLY");
cfce8870 315 gMC->Gspos("C03B",6,"C03M", -iChamber->frMin-bpar[0] , 0,+zfpos,
fe4da5cc 316idrotm[1100],"ONLY");
cfce8870 317 gMC->Gspos("C03B",7,"C03M", 0, +iChamber->frMin+bpar[0] ,+zfpos,
fe4da5cc 318idrotm[1101],"ONLY");
cfce8870 319 gMC->Gspos("C03B",8,"C03M", 0, -iChamber->frMin-bpar[0] ,+zfpos,
fe4da5cc 320idrotm[1101],"ONLY");
321
cfce8870 322 gMC->Gspos("C04B",1,"C04M", +iChamber->frMin+bpar[0] , 0,-zfpos,
fe4da5cc 323idrotm[1100],"ONLY");
cfce8870 324 gMC->Gspos("C04B",2,"C04M", -iChamber->frMin-bpar[0] , 0,-zfpos,
fe4da5cc 325idrotm[1100],"ONLY");
cfce8870 326 gMC->Gspos("C04B",3,"C04M", 0, +iChamber->frMin+bpar[0] ,-zfpos,
fe4da5cc 327idrotm[1101],"ONLY");
cfce8870 328 gMC->Gspos("C04B",4,"C04M", 0, -iChamber->frMin-bpar[0] ,-zfpos,
fe4da5cc 329idrotm[1101],"ONLY");
cfce8870 330 gMC->Gspos("C04B",5,"C04M", +iChamber->frMin+bpar[0] , 0,+zfpos,
fe4da5cc 331idrotm[1100],"ONLY");
cfce8870 332 gMC->Gspos("C04B",6,"C04M", -iChamber->frMin-bpar[0] , 0,+zfpos,
fe4da5cc 333idrotm[1100],"ONLY");
cfce8870 334 gMC->Gspos("C04B",7,"C04M", 0, +iChamber->frMin+bpar[0] ,+zfpos,
fe4da5cc 335idrotm[1101],"ONLY");
cfce8870 336 gMC->Gspos("C04B",8,"C04M", 0, -iChamber->frMin-bpar[0] ,+zfpos,
fe4da5cc 337idrotm[1101],"ONLY");
338
339//
340// Chamber Material represented by Alu sheet
341 tpar[0]= iChamber->frMin+dframep*2;
342 tpar[1]= iChamber->frMax-dframep*2;
343 tpar[2] = (iChamber->fdGas+iChamber->fdAlu)/2;
cfce8870 344 gMC->Gsvolu("C03A", "TUBE", idtmed[1103], tpar, 3);
345 gMC->Gsvolu("C04A", "TUBE", idtmed[1103], tpar, 3);
346 gMC->Gspos("C03A", 1, "C03M", 0., 0., 0., 0, "ONLY");
347 gMC->Gspos("C04A", 1, "C04M", 0., 0., 0., 0, "ONLY");
fe4da5cc 348//
349// Sensitive volumes
350 // tpar[2] = iChamber->fdGas;
351 tpar[2] = iChamber->fdGas/2;
cfce8870 352 gMC->Gsvolu("C03G", "TUBE", idtmed[1105], tpar, 3);
353 gMC->Gsvolu("C04G", "TUBE", idtmed[1105], tpar, 3);
354 gMC->Gspos("C03G", 1, "C03A", 0., 0., 0., 0, "ONLY");
355 gMC->Gspos("C04G", 1, "C04A", 0., 0., 0., 0, "ONLY");
fe4da5cc 356//
357// Frame Crosses to be placed inside gas
358 dr = (iChamber->frMax - iChamber->frMin);
359 bpar[0] = TMath::Sqrt(dr*dr-dframep*dframep/4)/2;
360 bpar[1] = dframep/2;
361 bpar[2] = iChamber->fdGas/2;
cfce8870 362 gMC->Gsvolu("C03F", "BOX", idtmed[1103], bpar, 3);
363 gMC->Gsvolu("C04F", "BOX", idtmed[1103], bpar, 3);
fe4da5cc 364
cfce8870 365 gMC->Gspos("C03F",1,"C03G", +iChamber->frMin+bpar[0] , 0, 0,
fe4da5cc 366idrotm[1100],"ONLY");
cfce8870 367 gMC->Gspos("C03F",2,"C03G", -iChamber->frMin-bpar[0] , 0, 0,
fe4da5cc 368idrotm[1100],"ONLY");
cfce8870 369 gMC->Gspos("C03F",3,"C03G", 0, +iChamber->frMin+bpar[0] , 0,
fe4da5cc 370idrotm[1101],"ONLY");
cfce8870 371 gMC->Gspos("C03F",4,"C03G", 0, -iChamber->frMin-bpar[0] , 0,
fe4da5cc 372idrotm[1101],"ONLY");
373
cfce8870 374 gMC->Gspos("C04F",1,"C04G", +iChamber->frMin+bpar[0] , 0, 0,
fe4da5cc 375idrotm[1100],"ONLY");
cfce8870 376 gMC->Gspos("C04F",2,"C04G", -iChamber->frMin-bpar[0] , 0, 0,
fe4da5cc 377idrotm[1100],"ONLY");
cfce8870 378 gMC->Gspos("C04F",3,"C04G", 0, +iChamber->frMin+bpar[0] , 0,
fe4da5cc 379idrotm[1101],"ONLY");
cfce8870 380 gMC->Gspos("C04F",4,"C04G", 0, -iChamber->frMin-bpar[0] , 0,
fe4da5cc 381idrotm[1101],"ONLY");
382
383//********************************************************************
384// Station 3 **
385//********************************************************************
386// CONCENTRIC
387 iChamber=(AliMUONchamber*) (*fChambers)[4];
388 zpos1=iChamber->ZPosition(); // 975-13.75
389 zpos2=zpos1 // +dstation;
390 +27.5;
391//
392// Mother volume
393 tpar[0] = iChamber->frMin;
394 tpar[1]= TMath::Sqrt(iChamber->frMax*iChamber->frMax + dframep*dframep) ;
395 tpar[2] = // 3.;
396 5.325*2;
cfce8870 397 gMC->Gsvolu("C05M", "TUBE", idtmed[1100], tpar, 3);
398 gMC->Gsvolu("C06M", "TUBE", idtmed[1100], tpar, 3);
399 gMC->Gspos("C05M", 1, "ALIC", 0., 0., zpos1 , 0, "ONLY");
400 gMC->Gspos("C06M", 1, "ALIC", 0., 0., zpos2 , 0, "ONLY");
fe4da5cc 401//
402// Mother volume for one quadrant
403 tspar[0]= iChamber->frMin;
404 tspar[1]= TMath::Sqrt(iChamber->frMax*iChamber->frMax + dframep*dframep) ;
405 tspar[2]= // dframez;
406 5.325;
407 tspar[3] = 0.-TMath::ATan2(dframep,iChamber->frMin)*180/kPI;
408 tspar[4] = 90.+TMath::ATan2(dframep,iChamber->frMin)*180/kPI;
cfce8870 409 gMC->Gsvolu("C05Q", "TUBS", idtmed[1100], tspar, 5);
410 gMC->Gsvolu("C06Q", "TUBS", idtmed[1100], tspar, 5);
fe4da5cc 411// Position the four quadrants
cfce8870 412 gMC->Gspos("C05Q",1,"C05M", 0., 0., 5.325, idrotm[1100], "ONLY");
413 gMC->Gspos("C05Q",2,"C05M", 0., 0.,-5.325, idrotm[1101], "ONLY");
414 gMC->Gspos("C05Q",3,"C05M", 0., 0., 5.325, idrotm[1102], "ONLY");
415 gMC->Gspos("C05Q",4,"C05M", 0., 0.,-5.325, idrotm[1103], "ONLY");
416
417 gMC->Gspos("C06Q",1,"C06M", 0., 0., 5.325, idrotm[1100], "ONLY");
418 gMC->Gspos("C06Q",2,"C06M", 0., 0.,-5.325, idrotm[1101], "ONLY");
419 gMC->Gspos("C06Q",3,"C06M", 0., 0., 5.325, idrotm[1102], "ONLY");
420 gMC->Gspos("C06Q",4,"C06M", 0., 0.,-5.325, idrotm[1103], "ONLY");
fe4da5cc 421// Aluminium frames
422// Outer frame
423 tspar[0]= iChamber->frMax-dframep*2;
424 tspar[1]= iChamber->frMax;
425 tspar[3] = 0.;
426 tspar[4] = 90.;
cfce8870 427 gMC->Gsvolu("C05O", "TUBS", idtmed[1100], tspar, 5);
428 gMC->Gsvolu("C06O", "TUBS", idtmed[1100], tspar, 5);
429 gMC->Gspos("C05O",1,"C05Q", 0.,0.,0., 0,"ONLY");
430 gMC->Gspos("C06O",1,"C06Q", 0.,0.,0., 0,"ONLY");
fe4da5cc 431//
432// Inner frame
433 tspar[0]= iChamber->frMin;
434 tspar[1]= iChamber->frMin+dframep*2;
cfce8870 435 gMC->Gsvolu("C05I", "TUBS", idtmed[1100], tspar, 5);
436 gMC->Gsvolu("C06I", "TUBS", idtmed[1100], tspar, 5);
437 gMC->Gspos("C05I",1,"C05Q", 0.,0.,0., 0,"ONLY");
438 gMC->Gspos("C06I",1,"C06Q", 0.,0.,0., 0,"ONLY");
fe4da5cc 439//
440// Boundary half frame
441 bpar[0] = (iChamber->frMax - iChamber->frMin)/2;
442 bpar[1] = dframep/2;
443 bpar[2] = 5.325;
cfce8870 444 gMC->Gsvolu("C05B", "BOX", idtmed[1103], bpar, 3);
445 gMC->Gsvolu("C06B", "BOX", idtmed[1103], bpar, 3);
fe4da5cc 446//place 2 boudaries
cfce8870 447 gMC->Gspos("C05B",1,"C05Q", iChamber->frMin+bpar[0] ,-bpar[1],0., idrotm[1100],"ONLY");
448 gMC->Gspos("C05B",2,"C05Q", -bpar[1],iChamber->frMin+bpar[0] ,0., idrotm[1101],"ONLY");
449 gMC->Gspos("C06B",1,"C06Q", iChamber->frMin+bpar[0] ,-bpar[1],0., idrotm[1100],"ONLY");
450 gMC->Gspos("C06B",2,"C06Q", -bpar[1],iChamber->frMin+bpar[0] ,0., idrotm[1101],"ONLY");
fe4da5cc 451//
452// Boundary second half frame (should not overlapp with sensitive surface, nor frames)
453// Effective inner radius due to circle effect
454 rMin = TMath::Sqrt(
455 (iChamber->frMin+2*dframep)*(iChamber->frMin+2*dframep) - dframep*dframep );
456 bpar[0] = (iChamber->frMax - 2*dframep - rMin ) /2;
457 bpar[2] = (5.325- (0.055 + 0.325)) / 2;
cfce8870 458 gMC->Gsvolu("C05H", "BOX", idtmed[1103], bpar, 3);
459 gMC->Gsvolu("C06H", "BOX", idtmed[1103], bpar, 3);
fe4da5cc 460//place 2 boudaries
cfce8870 461 gMC->Gspos("C05H",1,"C05Q", rMin+bpar[0],bpar[1], 0.055+0.325+bpar[2] , idrotm[1100],"ONLY");
462 gMC->Gspos("C05H",2,"C05Q", rMin+bpar[0],bpar[1],-(0.055+0.325+bpar[2]), idrotm[1100],"ONLY");
463 gMC->Gspos("C05H",3,"C05Q", bpar[1],rMin+bpar[0], 0.055+0.325+bpar[2] , idrotm[1101],"ONLY");
464 gMC->Gspos("C05H",4,"C05Q", bpar[1],rMin+bpar[0],-(0.055+0.325+bpar[2]), idrotm[1101],"ONLY");
465 gMC->Gspos("C06H",1,"C06Q", rMin+bpar[0],bpar[1], 0.055+0.325+bpar[2] , idrotm[1100],"ONLY");
466 gMC->Gspos("C06H",2,"C06Q", rMin+bpar[0],bpar[1],-(0.055+0.325+bpar[2]), idrotm[1100],"ONLY");
467 gMC->Gspos("C06H",3,"C06Q", bpar[1],rMin+bpar[0], 0.055+0.325+bpar[2] , idrotm[1101],"ONLY");
468 gMC->Gspos("C06H",4,"C06Q", bpar[1],rMin+bpar[0],-(0.055+0.325+bpar[2]), idrotm[1101],"ONLY");
fe4da5cc 469//
470// Chamber Material represented by Alu sheet
471 // tspar[2] = (iChamber->fdAlu)+(iChamber->fdGas);
472 tspar[0]= iChamber->frMin+dframep*2;
473 tspar[1]= iChamber->frMax-dframep*2;
474 tspar[2] = 0.055 + 0.325;
cfce8870 475 gMC->Gsvolu("C05A", "TUBS", idtmed[1103], tspar, 5);
476 gMC->Gsvolu("C06A", "TUBS", idtmed[1103], tspar, 5);
477 gMC->Gspos("C05A", 1, "C05Q", 0., 0., 0., 0, "ONLY");
478 gMC->Gspos("C06A", 1, "C06Q", 0., 0., 0., 0, "ONLY");
fe4da5cc 479//
480// Sensitive volumes
481 // tpar[2] = iChamber->fdGas;
482 tspar[2] = 0.325;
cfce8870 483 gMC->Gsvolu("C05G", "TUBS", idtmed[1105], tspar, 5);
484 gMC->Gsvolu("C06G", "TUBS", idtmed[1105], tspar, 5);
485 gMC->Gspos("C05G", 1, "C05A", 0., 0., 0., 0, "ONLY");
486 gMC->Gspos("C06G", 1, "C06A", 0., 0., 0., 0, "ONLY");
fe4da5cc 487//
488// Overwrite sensitive volume with ALU
489// Overwrite Gaz volume
490 bpar[2] = 0.325;
cfce8870 491 gMC->Gsvolu("C05Z", "BOX", idtmed[1103], bpar, 3);
492 gMC->Gsvolu("C06Z", "BOX", idtmed[1103], bpar, 3);
493 gMC->Gspos("C05Z",1,"C05G", rMin+bpar[0] ,bpar[1],0., idrotm[1100],"ONLY");
494 gMC->Gspos("C05Z",2,"C05G", bpar[1], rMin+bpar[0] ,0., idrotm[1101],"ONLY");
495 gMC->Gspos("C06Z",1,"C06G", rMin+bpar[0] ,bpar[1],0., idrotm[1100],"ONLY");
496 gMC->Gspos("C06Z",2,"C06G", bpar[1], rMin+bpar[0] ,0., idrotm[1101],"ONLY");
fe4da5cc 497
498//********************************************************************
499// Station 4 **
500//********************************************************************
501 iChamber=(AliMUONchamber*) (*fChambers)[6];
502 zpos1=iChamber->ZPosition()-dstation/2;
503 zpos2=zpos1+dstation;
504 zfpos=-(iChamber->fdGas+dframez)/2;
505
506//
507// Mother volume
508 tpar[0] = iChamber->frMin-dframep;
509 tpar[1] = (iChamber->frMax+dframep)/TMath::Cos(phi);
510 tpar[2] = dstation/2;
511
cfce8870 512 gMC->Gsvolu("C07M", "TUBE", idtmed[1100], tpar, 3);
513 gMC->Gsvolu("C08M", "TUBE", idtmed[1100], tpar, 3);
514 gMC->Gspos("C07M", 1, "ALIC", 0., 0., zpos1 , 0, "ONLY");
515 gMC->Gspos("C08M", 1, "ALIC", 0., 0., zpos2 , 0, "ONLY");
fe4da5cc 516// Aluminium frames
517// Outer frames
518 pgpar[0] = 360/12/2;
519 pgpar[1] = 360.;
520 pgpar[2] = 12.;
521 pgpar[3] = 2;
522 pgpar[4] = -dframez/2;
523 pgpar[5] = iChamber->frMax;
524 pgpar[6] = pgpar[5]+dframep;
525 pgpar[7] = +dframez/2;
526 pgpar[8] = pgpar[5];
527 pgpar[9] = pgpar[6];
cfce8870 528 gMC->Gsvolu("C07O", "PGON", idtmed[1103], pgpar, 10);
529 gMC->Gsvolu("C08O", "PGON", idtmed[1103], pgpar, 10);
530 gMC->Gspos("C07O",1,"C07M", 0.,0.,-zfpos, 0,"ONLY");
531 gMC->Gspos("C07O",2,"C07M", 0.,0.,+zfpos, 0,"ONLY");
532 gMC->Gspos("C08O",1,"C08M", 0.,0.,-zfpos, 0,"ONLY");
533 gMC->Gspos("C08O",2,"C08M", 0.,0.,+zfpos, 0,"ONLY");
fe4da5cc 534//
535// Inner frame
536 tpar[0]= iChamber->frMin-dframep;
537 tpar[1]= iChamber->frMin;
538 tpar[2]= dframez/2;
cfce8870 539 gMC->Gsvolu("C07I", "TUBE", idtmed[1103], tpar, 3);
540 gMC->Gsvolu("C08I", "TUBE", idtmed[1103], tpar, 3);
fe4da5cc 541
cfce8870 542 gMC->Gspos("C07I",1,"C07M", 0.,0.,-zfpos, 0,"ONLY");
543 gMC->Gspos("C07I",2,"C07M", 0.,0.,+zfpos, 0,"ONLY");
544 gMC->Gspos("C08I",1,"C08M", 0.,0.,-zfpos, 0,"ONLY");
545 gMC->Gspos("C08I",2,"C08M", 0.,0.,+zfpos, 0,"ONLY");
fe4da5cc 546//
547// Frame Crosses
548 bpar[0] = (iChamber->frMax - iChamber->frMin)/2;
549 bpar[1] = dframep/2;
550 bpar[2] = dframez/2;
cfce8870 551 gMC->Gsvolu("C07B", "BOX", idtmed[1103], bpar, 3);
552 gMC->Gsvolu("C08B", "BOX", idtmed[1103], bpar, 3);
fe4da5cc 553
cfce8870 554 gMC->Gspos("C07B",1,"C07M", +iChamber->frMin+bpar[0] , 0,-zfpos,
fe4da5cc 555idrotm[1100],"ONLY");
cfce8870 556 gMC->Gspos("C07B",2,"C07M", -iChamber->frMin-bpar[0] , 0,-zfpos,
fe4da5cc 557idrotm[1100],"ONLY");
cfce8870 558 gMC->Gspos("C07B",3,"C07M", 0, +iChamber->frMin+bpar[0] ,-zfpos,
fe4da5cc 559idrotm[1101],"ONLY");
cfce8870 560 gMC->Gspos("C07B",4,"C07M", 0, -iChamber->frMin-bpar[0] ,-zfpos,
fe4da5cc 561idrotm[1101],"ONLY");
cfce8870 562 gMC->Gspos("C07B",5,"C07M", +iChamber->frMin+bpar[0] , 0,+zfpos,
fe4da5cc 563idrotm[1100],"ONLY");
cfce8870 564 gMC->Gspos("C07B",6,"C07M", -iChamber->frMin-bpar[0] , 0,+zfpos,
fe4da5cc 565idrotm[1100],"ONLY");
cfce8870 566 gMC->Gspos("C07B",7,"C07M", 0, +iChamber->frMin+bpar[0] ,+zfpos,
fe4da5cc 567idrotm[1101],"ONLY");
cfce8870 568 gMC->Gspos("C07B",8,"C07M", 0, -iChamber->frMin-bpar[0] ,+zfpos,
fe4da5cc 569idrotm[1101],"ONLY");
570
cfce8870 571 gMC->Gspos("C08B",1,"C08M", +iChamber->frMin+bpar[0] , 0,-zfpos,
fe4da5cc 572idrotm[1100],"ONLY");
cfce8870 573 gMC->Gspos("C08B",2,"C08M", -iChamber->frMin-bpar[0] , 0,-zfpos,
fe4da5cc 574idrotm[1100],"ONLY");
cfce8870 575 gMC->Gspos("C08B",3,"C08M", 0, +iChamber->frMin+bpar[0] ,-zfpos,
fe4da5cc 576idrotm[1101],"ONLY");
cfce8870 577 gMC->Gspos("C08B",4,"C08M", 0, -iChamber->frMin-bpar[0] ,-zfpos,
fe4da5cc 578idrotm[1101],"ONLY");
cfce8870 579 gMC->Gspos("C08B",5,"C08M", +iChamber->frMin+bpar[0] , 0,+zfpos,
fe4da5cc 580idrotm[1100],"ONLY");
cfce8870 581 gMC->Gspos("C08B",6,"C08M", -iChamber->frMin-bpar[0] , 0,+zfpos,
fe4da5cc 582idrotm[1100],"ONLY");
cfce8870 583 gMC->Gspos("C08B",7,"C08M", 0, +iChamber->frMin+bpar[0] ,+zfpos,
fe4da5cc 584idrotm[1101],"ONLY");
cfce8870 585 gMC->Gspos("C08B",8,"C08M", 0, -iChamber->frMin-bpar[0] ,+zfpos,
fe4da5cc 586idrotm[1101],"ONLY");
587
588//
589// Chamber Material represented by Alu sheet
590 tpar[0]= iChamber->frMin+dframep*2;
591 tpar[1]= iChamber->frMax-dframep*2;
592 tpar[2] = (iChamber->fdGas+iChamber->fdAlu)/2;
cfce8870 593 gMC->Gsvolu("C07A", "TUBE", idtmed[1103], tpar, 3);
594 gMC->Gsvolu("C08A", "TUBE", idtmed[1103], tpar, 3);
595 gMC->Gspos("C07A", 1, "C07M", 0., 0., 0., 0, "ONLY");
596 gMC->Gspos("C08A", 1, "C08M", 0., 0., 0., 0, "ONLY");
fe4da5cc 597//
598// Sensitive volumes
599 // tpar[2] = iChamber->fdGas;
600 tpar[2] = iChamber->fdGas/2;
cfce8870 601 gMC->Gsvolu("C07G", "TUBE", idtmed[1105], tpar, 3);
602 gMC->Gsvolu("C08G", "TUBE", idtmed[1105], tpar, 3);
603 gMC->Gspos("C07G", 1, "C07A", 0., 0., 0., 0, "ONLY");
604 gMC->Gspos("C08G", 1, "C08A", 0., 0., 0., 0, "ONLY");
fe4da5cc 605//
606// Frame Crosses to be placed inside gas
607 dr = (iChamber->frMax - iChamber->frMin);
608 bpar[0] = TMath::Sqrt(dr*dr-dframep*dframep/4)/2;
609 bpar[1] = dframep/2;
610 bpar[2] = iChamber->fdGas/2;
cfce8870 611 gMC->Gsvolu("C07F", "BOX", idtmed[1103], bpar, 3);
612 gMC->Gsvolu("C08F", "BOX", idtmed[1103], bpar, 3);
fe4da5cc 613
cfce8870 614 gMC->Gspos("C07F",1,"C07G", +iChamber->frMin+bpar[0] , 0, 0,
fe4da5cc 615idrotm[1100],"ONLY");
cfce8870 616 gMC->Gspos("C07F",2,"C07G", -iChamber->frMin-bpar[0] , 0, 0,
fe4da5cc 617idrotm[1100],"ONLY");
cfce8870 618 gMC->Gspos("C07F",3,"C07G", 0, +iChamber->frMin+bpar[0] , 0,
fe4da5cc 619idrotm[1101],"ONLY");
cfce8870 620 gMC->Gspos("C07F",4,"C07G", 0, -iChamber->frMin-bpar[0] , 0,
fe4da5cc 621idrotm[1101],"ONLY");
622
cfce8870 623 gMC->Gspos("C08F",1,"C08G", +iChamber->frMin+bpar[0] , 0, 0,
fe4da5cc 624idrotm[1100],"ONLY");
cfce8870 625 gMC->Gspos("C08F",2,"C08G", -iChamber->frMin-bpar[0] , 0, 0,
fe4da5cc 626idrotm[1100],"ONLY");
cfce8870 627 gMC->Gspos("C08F",3,"C08G", 0, +iChamber->frMin+bpar[0] , 0,
fe4da5cc 628idrotm[1101],"ONLY");
cfce8870 629 gMC->Gspos("C08F",4,"C08G", 0, -iChamber->frMin-bpar[0] , 0,
fe4da5cc 630idrotm[1101],"ONLY");
631
632//********************************************************************
633// Station 5 **
634//********************************************************************
635 iChamber=(AliMUONchamber*) (*fChambers)[8];
636 zpos1=iChamber->ZPosition()-dstation/2;
637 zpos2=zpos1+dstation;
638 zfpos=-(iChamber->fdGas+dframez)/2;
639
640//
641// Mother volume
642 tpar[0] = iChamber->frMin-dframep;
643 tpar[1] = (iChamber->frMax+dframep)/TMath::Cos(phi);
644 tpar[2] = dstation/2;
645
cfce8870 646 gMC->Gsvolu("C09M", "TUBE", idtmed[1100], tpar, 3);
647 gMC->Gsvolu("C10M", "TUBE", idtmed[1100], tpar, 3);
648 gMC->Gspos("C09M", 1, "ALIC", 0., 0., zpos1 , 0, "ONLY");
649 gMC->Gspos("C10M", 1, "ALIC", 0., 0., zpos2 , 0, "ONLY");
fe4da5cc 650// Aluminium frames
651// Outer frames
652 pgpar[0] = 360/12/2;
653 pgpar[1] = 360.;
654 pgpar[2] = 12.;
655 pgpar[3] = 2;
656 pgpar[4] = -dframez/2;
657 pgpar[5] = iChamber->frMax;
658 pgpar[6] = pgpar[5]+dframep;
659 pgpar[7] = +dframez/2;
660 pgpar[8] = pgpar[5];
661 pgpar[9] = pgpar[6];
cfce8870 662 gMC->Gsvolu("C09O", "PGON", idtmed[1103], pgpar, 10);
663 gMC->Gsvolu("C10O", "PGON", idtmed[1103], pgpar, 10);
664 gMC->Gspos("C09O",1,"C09M", 0.,0.,-zfpos, 0,"ONLY");
665 gMC->Gspos("C09O",2,"C09M", 0.,0.,+zfpos, 0,"ONLY");
666 gMC->Gspos("C10O",1,"C10M", 0.,0.,-zfpos, 0,"ONLY");
667 gMC->Gspos("C10O",2,"C10M", 0.,0.,+zfpos, 0,"ONLY");
fe4da5cc 668//
669// Inner frame
670 tpar[0]= iChamber->frMin-dframep;
671 tpar[1]= iChamber->frMin;
672 tpar[2]= dframez/2;
cfce8870 673 gMC->Gsvolu("C09I", "TUBE", idtmed[1103], tpar, 3);
674 gMC->Gsvolu("C10I", "TUBE", idtmed[1103], tpar, 3);
fe4da5cc 675
cfce8870 676 gMC->Gspos("C09I",1,"C09M", 0.,0.,-zfpos, 0,"ONLY");
677 gMC->Gspos("C09I",2,"C09M", 0.,0.,+zfpos, 0,"ONLY");
678 gMC->Gspos("C10I",1,"C10M", 0.,0.,-zfpos, 0,"ONLY");
679 gMC->Gspos("C10I",2,"C10M", 0.,0.,+zfpos, 0,"ONLY");
fe4da5cc 680//
681// Frame Crosses
682 bpar[0] = (iChamber->frMax - iChamber->frMin)/2;
683 bpar[1] = dframep/2;
684 bpar[2] = dframez/2;
cfce8870 685 gMC->Gsvolu("C09B", "BOX", idtmed[1103], bpar, 3);
686 gMC->Gsvolu("C10B", "BOX", idtmed[1103], bpar, 3);
fe4da5cc 687
cfce8870 688 gMC->Gspos("C09B",1,"C09M", +iChamber->frMin+bpar[0] , 0,-zfpos,
fe4da5cc 689idrotm[1100],"ONLY");
cfce8870 690 gMC->Gspos("C09B",2,"C09M", -iChamber->frMin-bpar[0] , 0,-zfpos,
fe4da5cc 691idrotm[1100],"ONLY");
cfce8870 692 gMC->Gspos("C09B",3,"C09M", 0, +iChamber->frMin+bpar[0] ,-zfpos,
fe4da5cc 693idrotm[1101],"ONLY");
cfce8870 694 gMC->Gspos("C09B",4,"C09M", 0, -iChamber->frMin-bpar[0] ,-zfpos,
fe4da5cc 695idrotm[1101],"ONLY");
cfce8870 696 gMC->Gspos("C09B",5,"C09M", +iChamber->frMin+bpar[0] , 0,+zfpos,
fe4da5cc 697idrotm[1100],"ONLY");
cfce8870 698 gMC->Gspos("C09B",6,"C09M", -iChamber->frMin-bpar[0] , 0,+zfpos,
fe4da5cc 699idrotm[1100],"ONLY");
cfce8870 700 gMC->Gspos("C09B",7,"C09M", 0, +iChamber->frMin+bpar[0] ,+zfpos,
fe4da5cc 701idrotm[1101],"ONLY");
cfce8870 702 gMC->Gspos("C09B",8,"C09M", 0, -iChamber->frMin-bpar[0] ,+zfpos,
fe4da5cc 703idrotm[1101],"ONLY");
704
cfce8870 705 gMC->Gspos("C10B",1,"C10M", +iChamber->frMin+bpar[0] , 0,-zfpos,
fe4da5cc 706idrotm[1100],"ONLY");
cfce8870 707 gMC->Gspos("C10B",2,"C10M", -iChamber->frMin-bpar[0] , 0,-zfpos,
fe4da5cc 708idrotm[1100],"ONLY");
cfce8870 709 gMC->Gspos("C10B",3,"C10M", 0, +iChamber->frMin+bpar[0] ,-zfpos,
fe4da5cc 710idrotm[1101],"ONLY");
cfce8870 711 gMC->Gspos("C10B",4,"C10M", 0, -iChamber->frMin-bpar[0] ,-zfpos,
fe4da5cc 712idrotm[1101],"ONLY");
cfce8870 713 gMC->Gspos("C10B",5,"C10M", +iChamber->frMin+bpar[0] , 0,+zfpos,
fe4da5cc 714idrotm[1100],"ONLY");
cfce8870 715 gMC->Gspos("C10B",6,"C10M", -iChamber->frMin-bpar[0] , 0,+zfpos,
fe4da5cc 716idrotm[1100],"ONLY");
cfce8870 717 gMC->Gspos("C10B",7,"C10M", 0, +iChamber->frMin+bpar[0] ,+zfpos,
fe4da5cc 718idrotm[1101],"ONLY");
cfce8870 719 gMC->Gspos("C10B",8,"C10M", 0, -iChamber->frMin-bpar[0] ,+zfpos,
fe4da5cc 720idrotm[1101],"ONLY");
721
722//
723// Chamber Material represented by Alu sheet
724 tpar[0]= iChamber->frMin+dframep*2;
725 tpar[1]= iChamber->frMax-dframep*2;
726 tpar[2] = (iChamber->fdGas+iChamber->fdAlu)/2;
cfce8870 727 gMC->Gsvolu("C09A", "TUBE", idtmed[1103], tpar, 3);
728 gMC->Gsvolu("C10A", "TUBE", idtmed[1103], tpar, 3);
729 gMC->Gspos("C09A", 1, "C09M", 0., 0., 0., 0, "ONLY");
730 gMC->Gspos("C10A", 1, "C10M", 0., 0., 0., 0, "ONLY");
fe4da5cc 731//
732// Sensitive volumes
733 // tpar[2] = iChamber->fdGas;
734 tpar[2] = iChamber->fdGas/2;
cfce8870 735 gMC->Gsvolu("C09G", "TUBE", idtmed[1105], tpar, 3);
736 gMC->Gsvolu("C10G", "TUBE", idtmed[1105], tpar, 3);
737 gMC->Gspos("C09G", 1, "C09A", 0., 0., 0., 0, "ONLY");
738 gMC->Gspos("C10G", 1, "C10A", 0., 0., 0., 0, "ONLY");
fe4da5cc 739//
740// Frame Crosses to be placed inside gas
741 dr = (iChamber->frMax - iChamber->frMin);
742 bpar[0] = TMath::Sqrt(dr*dr-dframep*dframep/4)/2;
743 bpar[1] = dframep/2;
744 bpar[2] = iChamber->fdGas/2;
cfce8870 745 gMC->Gsvolu("C09F", "BOX", idtmed[1103], bpar, 3);
746 gMC->Gsvolu("C10F", "BOX", idtmed[1103], bpar, 3);
fe4da5cc 747
cfce8870 748 gMC->Gspos("C09F",1,"C09G", +iChamber->frMin+bpar[0] , 0, 0,
fe4da5cc 749idrotm[1100],"ONLY");
cfce8870 750 gMC->Gspos("C09F",2,"C09G", -iChamber->frMin-bpar[0] , 0, 0,
fe4da5cc 751idrotm[1100],"ONLY");
cfce8870 752 gMC->Gspos("C09F",3,"C09G", 0, +iChamber->frMin+bpar[0] , 0,
fe4da5cc 753idrotm[1101],"ONLY");
cfce8870 754 gMC->Gspos("C09F",4,"C09G", 0, -iChamber->frMin-bpar[0] , 0,
fe4da5cc 755idrotm[1101],"ONLY");
756
cfce8870 757 gMC->Gspos("C10F",1,"C10G", +iChamber->frMin+bpar[0] , 0, 0,
fe4da5cc 758idrotm[1100],"ONLY");
cfce8870 759 gMC->Gspos("C10F",2,"C10G", -iChamber->frMin-bpar[0] , 0, 0,
fe4da5cc 760idrotm[1100],"ONLY");
cfce8870 761 gMC->Gspos("C10F",3,"C10G", 0, +iChamber->frMin+bpar[0] , 0,
fe4da5cc 762idrotm[1101],"ONLY");
cfce8870 763 gMC->Gspos("C10F",4,"C10G", 0, -iChamber->frMin-bpar[0] , 0,
fe4da5cc 764idrotm[1101],"ONLY");
765
766///////////////////////////////////////
767// GEOMETRY FOR THE TRIGGER CHAMBERS //
768///////////////////////////////////////
769
770// Distance between planes inside each trigger station
771 const Float_t DTPLANES = 15.;
772
773// Parameters of the Trigger Chambers
774 //Station 1
775
776 const Float_t X_MC1_MIN=38.;
777 const Float_t X_MC1_MED=51.;
778 const Float_t X_MC1_MAX=272.;
779 const Float_t Y_MC1_MIN=34.;
780 const Float_t Y_MC1_MAX=51.;
781 const Float_t R_MIN1=48.;
782 const Float_t R_MAX1=64.;
783
784// Station 1
785 iChamber=(AliMUONchamber*) (*fChambers)[10];
786 zpos1=iChamber->ZPosition();
787 zpos2=zpos1+DTPLANES;
788
789// Mother volume definition
790 tpar[0] = iChamber->frMin;
791 tpar[1] = iChamber->frMax;
792 tpar[2] = 0.4;
cfce8870 793 gMC->Gsvolu("CM11", "TUBE", idtmed[1100], tpar, 3);
794 gMC->Gsvolu("CM12", "TUBE", idtmed[1100], tpar, 3);
fe4da5cc 795
796// Definition of the flange between the beam shielding and the RPC
797 tpar[0]= R_MIN1;
798 tpar[1]= R_MAX1;
799 tpar[2]= 0.4;
800
cfce8870 801 gMC->Gsvolu("CF1A", "TUBE", idtmed[1103], tpar, 3); //Al
802 gMC->Gspos("CF1A", 1, "CM11", 0., 0., 0., 0, "MANY");
803 gMC->Gspos("CF1A", 2, "CM12", 0., 0., 0., 0, "MANY");
fe4da5cc 804
805// Definition of prototype for chambers in the first plane
806
807 tpar[0]= 0.;
808 tpar[1]= 0.;
809 tpar[2]= 0.;
810
cfce8870 811 gMC->Gsvolu("CC1A", "BOX ", idtmed[1103], tpar, 0); //Al
812 gMC->Gsvolu("CB1A", "BOX ", idtmed[1107], tpar, 0); //Bakelite
813 gMC->Gsvolu("CG1A", "BOX ", idtmed[1106], tpar, 0); //Gas streamer
fe4da5cc 814
815// chamber type A
816 tpar[0] = -1.;
817 tpar[1] = -1.;
818
819 const Float_t X_MC1A=X_MC1_MED+(X_MC1_MAX-X_MC1_MED)/2.;
820 const Float_t Y_MC1A=0.;
821 const Float_t Z_MC1A=0.;
822
823 tpar[2] = 0.1;
cfce8870 824 gMC->Gsposp("CG1A", 1, "CB1A", 0., 0., 0., 0, "ONLY",tpar,3);
fe4da5cc 825 tpar[2] = 0.3;
cfce8870 826 gMC->Gsposp("CB1A", 1, "CC1A", 0., 0., 0., 0, "ONLY",tpar,3);
fe4da5cc 827 tpar[2] = 0.4;
828 tpar[0] = (X_MC1_MAX-X_MC1_MED)/2.;
829 tpar[1] = Y_MC1_MIN;
cfce8870 830 gMC->Gsposp("CC1A", 1, "CM11",X_MC1A,Y_MC1A,Z_MC1A, 0, "ONLY", tpar, 3);
831 gMC->Gsposp("CC1A", 2, "CM11",-X_MC1A,Y_MC1A,Z_MC1A, 0, "ONLY", tpar, 3);
fe4da5cc 832
833// chamber type B
834 tpar[0] = (X_MC1_MAX-X_MC1_MIN)/2.;
835 tpar[1] = (Y_MC1_MAX-Y_MC1_MIN)/2.;
836
837 const Float_t X_MC1B=X_MC1_MIN+tpar[0];
838 const Float_t Y_MC1B=Y_MC1_MIN+tpar[1];
839 const Float_t Z_MC1B=0.;
840
cfce8870 841 gMC->Gsposp("CC1A", 3, "CM11",X_MC1B,Y_MC1B,Z_MC1B, 0, "ONLY", tpar, 3);
842 gMC->Gsposp("CC1A", 4, "CM11",-X_MC1B,Y_MC1B,Z_MC1B, 0, "ONLY", tpar, 3);
843 gMC->Gsposp("CC1A", 5, "CM11",X_MC1B,-Y_MC1B,Z_MC1B, 0, "ONLY", tpar, 3);
844 gMC->Gsposp("CC1A", 6, "CM11",-X_MC1B,-Y_MC1B,Z_MC1B, 0, "ONLY", tpar, 3);
fe4da5cc 845
846// chamber type C
847 tpar[0] = X_MC1_MAX/2;
848 tpar[1] = Y_MC1_MAX/2;
849
850 const Float_t X_MC1C=tpar[0];
851 const Float_t Y_MC1C=Y_MC1_MAX+tpar[1];
852 const Float_t Z_MC1C=0.;
853
cfce8870 854 gMC->Gsposp("CC1A", 7, "CM11",X_MC1C,Y_MC1C,Z_MC1C, 0, "ONLY", tpar, 3);
855 gMC->Gsposp("CC1A", 8, "CM11",-X_MC1C,Y_MC1C,Z_MC1C, 0, "ONLY", tpar, 3);
856 gMC->Gsposp("CC1A", 9, "CM11",X_MC1C,-Y_MC1C,Z_MC1C, 0, "ONLY", tpar, 3);
857 gMC->Gsposp("CC1A", 10, "CM11",-X_MC1C,-Y_MC1C,Z_MC1C, 0, "ONLY", tpar, 3);
fe4da5cc 858
859// chamber type D
860 tpar[0] = X_MC1_MAX/2.;
861 tpar[1] = Y_MC1_MIN;
862
863 const Float_t X_MC1D=tpar[0];
864 const Float_t Z_MC1D=0.;
865
866 Float_t Y_MC1D=4.*Y_MC1_MIN;
cfce8870 867 gMC->Gsposp("CC1A", 11, "CM11",X_MC1D,Y_MC1D,Z_MC1D, 0, "ONLY", tpar, 3);
868 gMC->Gsposp("CC1A", 12, "CM11",X_MC1D,-Y_MC1D,Z_MC1D, 0, "ONLY", tpar, 3);
869 gMC->Gsposp("CC1A", 13, "CM11",-X_MC1D,Y_MC1D,Z_MC1D, 0, "ONLY", tpar, 3);
870 gMC->Gsposp("CC1A", 14, "CM11",-X_MC1D,-Y_MC1D,Z_MC1D, 0, "ONLY", tpar, 3);
fe4da5cc 871
872 Y_MC1D=6.*Y_MC1_MIN;
cfce8870 873 gMC->Gsposp("CC1A", 15, "CM11",X_MC1D,Y_MC1D,Z_MC1D, 0, "ONLY", tpar, 3);
874 gMC->Gsposp("CC1A", 16, "CM11",X_MC1D,-Y_MC1D,Z_MC1D, 0, "ONLY", tpar, 3);
875 gMC->Gsposp("CC1A", 17, "CM11",-X_MC1D,Y_MC1D,Z_MC1D, 0, "ONLY", tpar, 3);
876 gMC->Gsposp("CC1A", 18, "CM11",-X_MC1D,-Y_MC1D,Z_MC1D, 0, "ONLY", tpar, 3);
fe4da5cc 877
878 Y_MC1D=8.*Y_MC1_MIN;
cfce8870 879 gMC->Gsposp("CC1A", 19, "CM11",X_MC1D,Y_MC1D,Z_MC1D, 0, "ONLY", tpar, 3);
880 gMC->Gsposp("CC1A", 20, "CM11",X_MC1D,-Y_MC1D,Z_MC1D, 0, "ONLY", tpar, 3);
881 gMC->Gsposp("CC1A", 21, "CM11",-X_MC1D,Y_MC1D,Z_MC1D, 0, "ONLY", tpar, 3);
882 gMC->Gsposp("CC1A", 22, "CM11",-X_MC1D,-Y_MC1D,Z_MC1D, 0, "ONLY", tpar, 3);
fe4da5cc 883
884// Positioning first plane in ALICE
cfce8870 885 gMC->Gspos("CM11", 1, "ALIC", 0., 0., zpos1, 0, "ONLY");
fe4da5cc 886
887// End of geometry definition for the first plane
888
889// Station 1 - plan 2 - same RPCs as plan 1 ==> small non covered area
890// Y position moved (ratio zpos2/zpos1)
891 const Float_t Z_1S2=zpos2/zpos1;
892
893// Definition of prototype for chambers in the second plane
894
895 tpar[0]= 0.;
896 tpar[1]= 0.;
897 tpar[2]= 0.;
898
cfce8870 899 gMC->Gsvolu("CC2A", "BOX ", idtmed[1103], tpar, 0); //Al
900 gMC->Gsvolu("CB2A", "BOX ", idtmed[1107], tpar, 0); //Bakelite
901 gMC->Gsvolu("CG2A", "BOX ", idtmed[1106], tpar, 0); //Gas streamer
fe4da5cc 902
903// chamber type A
904 tpar[0] = -1.;
905 tpar[1] = -1.;
906
907 const Float_t X_MC2A=X_MC1A;
908 const Float_t Y_MC2A=0.;
909 const Float_t Z_MC2A=0.;
910
911 tpar[2] = 0.1;
cfce8870 912 gMC->Gsposp("CG2A", 1, "CB2A", 0., 0., 0., 0, "ONLY",tpar,3);
fe4da5cc 913 tpar[2] = 0.3;
cfce8870 914 gMC->Gsposp("CB2A", 1, "CC2A", 0., 0., 0., 0, "ONLY",tpar,3);
fe4da5cc 915 tpar[2] = 0.4;
916 tpar[0] = (X_MC1_MAX-X_MC1_MED)/2.;
917 tpar[1] = Y_MC1_MIN;
cfce8870 918 gMC->Gsposp("CC2A", 1, "CM12",X_MC2A,Y_MC2A,Z_MC2A, 0, "ONLY", tpar, 3);
919 gMC->Gsposp("CC2A", 2, "CM12",-X_MC2A,Y_MC2A,Z_MC2A, 0, "ONLY", tpar, 3);
fe4da5cc 920
921// chamber type B
922 tpar[0] = (X_MC1_MAX-X_MC1_MIN)/2.;
923 tpar[1] = (Y_MC1_MAX-Y_MC1_MIN)/2.;
924
925 const Float_t X_MC2B=X_MC1B;
926 const Float_t Y_MC2B=2.*Y_MC1_MIN*Z_1S2-Y_MC1_MIN*1.5+Y_MC1_MAX*0.5;
927 const Float_t Z_MC2B=0.;
928
cfce8870 929 gMC->Gsposp("CC2A", 3, "CM12",X_MC2B,Y_MC2B,Z_MC2B, 0, "ONLY", tpar, 3);
930 gMC->Gsposp("CC2A", 4, "CM12",-X_MC2B,Y_MC2B,Z_MC2B, 0, "ONLY", tpar, 3);
931 gMC->Gsposp("CC2A", 5, "CM12",X_MC2B,-Y_MC2B,Z_MC2B, 0, "ONLY", tpar, 3);
932 gMC->Gsposp("CC2A", 6, "CM12",-X_MC2B,-Y_MC2B,Z_MC2B, 0, "ONLY", tpar, 3);
fe4da5cc 933
934// chamber type C
935 tpar[0] = X_MC1_MAX/2;
936 tpar[1] = Y_MC1_MAX/2;
937
938 const Float_t X_MC2C=X_MC1C;
939 const Float_t Y_MC2C=2.*Y_MC1_MIN*Z_1S2-Y_MC1_MIN*2.+Y_MC1_MAX*1.5;
940 const Float_t Z_MC2C=0.;
941
cfce8870 942 gMC->Gsposp("CC2A", 7, "CM12",X_MC2C,Y_MC2C,Z_MC2C, 0, "ONLY", tpar, 3);
943 gMC->Gsposp("CC2A", 8, "CM12",-X_MC2C,Y_MC2C,Z_MC2C, 0, "ONLY", tpar, 3);
944 gMC->Gsposp("CC2A", 9, "CM12",X_MC2C,-Y_MC2C,Z_MC2C, 0, "ONLY", tpar, 3);
945 gMC->Gsposp("CC2A", 10, "CM12",-X_MC2C,-Y_MC2C,Z_MC2C, 0, "ONLY", tpar, 3);
fe4da5cc 946
947// chamber type D
948 tpar[0] = X_MC1_MAX/2.;
949 tpar[1] = Y_MC1_MIN;
950
951 const Float_t X_MC2D=X_MC1D;
952 const Float_t Z_MC2D=0.;
953
954 Float_t Y_MC2D=4.*Y_MC1_MIN*Z_1S2;
cfce8870 955 gMC->Gsposp("CC2A", 11, "CM12",X_MC2D,Y_MC2D,Z_MC2D, 0, "ONLY", tpar, 3);
956 gMC->Gsposp("CC2A", 12, "CM12",X_MC2D,-Y_MC2D,Z_MC2D, 0, "ONLY", tpar, 3);
957 gMC->Gsposp("CC2A", 13, "CM12",-X_MC2D,Y_MC2D,Z_MC2D, 0, "ONLY", tpar, 3);
958 gMC->Gsposp("CC2A", 14, "CM12",-X_MC2D,-Y_MC2D,Z_MC2D, 0, "ONLY", tpar, 3);
fe4da5cc 959
960 Y_MC2D=6.*Y_MC1_MIN*Z_1S2;
cfce8870 961 gMC->Gsposp("CC2A", 15, "CM12",X_MC2D,Y_MC2D,Z_MC2D, 0, "ONLY", tpar, 3);
962 gMC->Gsposp("CC2A", 16, "CM12",X_MC2D,-Y_MC2D,Z_MC2D, 0, "ONLY", tpar, 3);
963 gMC->Gsposp("CC2A", 17, "CM12",-X_MC2D,Y_MC2D,Z_MC2D, 0, "ONLY", tpar, 3);
964 gMC->Gsposp("CC2A", 18, "CM12",-X_MC2D,-Y_MC2D,Z_MC2D, 0, "ONLY", tpar, 3);
fe4da5cc 965
966 Y_MC2D=8.*Y_MC1_MIN*Z_1S2;
cfce8870 967 gMC->Gsposp("CC2A", 19, "CM12",X_MC2D,Y_MC2D,Z_MC2D, 0, "ONLY", tpar, 3);
968 gMC->Gsposp("CC2A", 20, "CM12",X_MC2D,-Y_MC2D,Z_MC2D, 0, "ONLY", tpar, 3);
969 gMC->Gsposp("CC2A", 21, "CM12",-X_MC2D,Y_MC2D,Z_MC2D, 0, "ONLY", tpar, 3);
970 gMC->Gsposp("CC2A", 22, "CM12",-X_MC2D,-Y_MC2D,Z_MC2D, 0, "ONLY", tpar, 3);
fe4da5cc 971
cfce8870 972 gMC->Gspos("CM12", 1, "ALIC", 0., 0., zpos2, 0, "ONLY");
fe4da5cc 973
974// Station 2
975 iChamber=(AliMUONchamber*) (*fChambers)[12];
976 Float_t zpos3=iChamber->ZPosition();
977 Float_t zpos4=zpos3+DTPLANES;
978
979// Parameters of the Trigger Chambers
980 //Station 2
981 const Float_t X_MC3_MIN=X_MC1_MIN*zpos3/zpos1;
982 const Float_t X_MC3_MED=X_MC1_MED*zpos3/zpos1;
983 const Float_t X_MC3_MAX=X_MC1_MAX*zpos3/zpos1;
984 const Float_t Y_MC3_MIN=Y_MC1_MIN*zpos3/zpos1;
985 const Float_t Y_MC3_MAX=Y_MC1_MAX*zpos3/zpos1;
986 const Float_t R_MIN3=R_MIN1*zpos3/zpos1;
987 const Float_t R_MAX3=R_MAX1*zpos3/zpos1;
988
989// Mother volume definition
990 tpar[0] = iChamber->frMin;
991 tpar[1] = iChamber->frMax;
992 tpar[2] = 0.4;
cfce8870 993 gMC->Gsvolu("CM21", "TUBE", idtmed[1100], tpar, 3);
994 gMC->Gsvolu("CM22", "TUBE", idtmed[1100], tpar, 3);
fe4da5cc 995
996// Definition of the flange between the beam shielding and the RPC
997 tpar[0]= R_MIN3;
998 tpar[1]= R_MAX3;
999 tpar[2]= 0.4;
1000
cfce8870 1001 gMC->Gsvolu("CF2A", "TUBE", idtmed[1103], tpar, 3); //Al
1002 gMC->Gspos("CF2A", 1, "CM21", 0., 0., 0., 0, "MANY");
1003 gMC->Gspos("CF2A", 2, "CM22", 0., 0., 0., 0, "MANY");
fe4da5cc 1004
1005// Definition of prototype for chambers in the third plane
1006
1007 tpar[0]= 0.;
1008 tpar[1]= 0.;
1009 tpar[2]= 0.;
1010
cfce8870 1011 gMC->Gsvolu("CC3A", "BOX ", idtmed[1103], tpar, 0); //Al
1012 gMC->Gsvolu("CB3A", "BOX ", idtmed[1107], tpar, 0); //Bakelite
1013 gMC->Gsvolu("CG3A", "BOX ", idtmed[1106], tpar, 0); //Gas streamer
fe4da5cc 1014
1015// chamber type A
1016 tpar[0] = -1.;
1017 tpar[1] = -1.;
1018
1019 const Float_t X_MC3A=X_MC3_MED+(X_MC3_MAX-X_MC3_MED)/2.;
1020 const Float_t Y_MC3A=0.;
1021 const Float_t Z_MC3A=0.;
1022
1023 tpar[2] = 0.1;
cfce8870 1024 gMC->Gsposp("CG3A", 1, "CB3A", 0., 0., 0., 0, "ONLY",tpar,3);
fe4da5cc 1025 tpar[2] = 0.3;
cfce8870 1026 gMC->Gsposp("CB3A", 1, "CC3A", 0., 0., 0., 0, "ONLY",tpar,3);
fe4da5cc 1027 tpar[0] = (X_MC3_MAX-X_MC3_MED)/2.;
1028 tpar[1] = Y_MC3_MIN;
1029 tpar[2] = 0.4;
cfce8870 1030 gMC->Gsposp("CC3A", 1, "CM21",X_MC3A,Y_MC3A,Z_MC3A, 0, "ONLY", tpar, 3);
1031 gMC->Gsposp("CC3A", 2, "CM21",-X_MC3A,Y_MC3A,Z_MC3A, 0, "ONLY", tpar, 3);
fe4da5cc 1032
1033// chamber type B
1034 tpar[0] = (X_MC3_MAX-X_MC3_MIN)/2.;
1035 tpar[1] = (Y_MC3_MAX-Y_MC3_MIN)/2.;
1036
1037 const Float_t X_MC3B=X_MC3_MIN+tpar[0];
1038 const Float_t Y_MC3B=Y_MC3_MIN+tpar[1];
1039 const Float_t Z_MC3B=0.;
1040
cfce8870 1041 gMC->Gsposp("CC3A", 3, "CM21",X_MC3B,Y_MC3B,Z_MC3B, 0, "ONLY", tpar, 3);
1042 gMC->Gsposp("CC3A", 4, "CM21",-X_MC3B,Y_MC3B,Z_MC3B, 0, "ONLY", tpar, 3);
1043 gMC->Gsposp("CC3A", 5, "CM21",X_MC3B,-Y_MC3B,Z_MC3B, 0, "ONLY", tpar, 3);
1044 gMC->Gsposp("CC3A", 6, "CM21",-X_MC3B,-Y_MC3B,Z_MC3B, 0, "ONLY", tpar, 3);
fe4da5cc 1045
1046// chamber type C
1047 tpar[0] = X_MC3_MAX/2.;
1048 tpar[1] = Y_MC3_MAX/2.;
1049
1050 const Float_t X_MC3C=tpar[0];
1051 const Float_t Y_MC3C=Y_MC3_MAX+tpar[1];
1052 const Float_t Z_MC3C=0.;
1053
cfce8870 1054 gMC->Gsposp("CC3A", 7, "CM21",X_MC3C,Y_MC3C,Z_MC3C, 0, "ONLY", tpar, 3);
1055 gMC->Gsposp("CC3A", 8, "CM21",-X_MC3C,Y_MC3C,Z_MC3C, 0, "ONLY", tpar, 3);
1056 gMC->Gsposp("CC3A", 9, "CM21",X_MC3C,-Y_MC3C,Z_MC3C, 0, "ONLY", tpar, 3);
1057 gMC->Gsposp("CC3A", 10, "CM21",-X_MC3C,-Y_MC3C,Z_MC3C, 0, "ONLY", tpar, 3);
fe4da5cc 1058
1059// chamber type D
1060 tpar[0] = X_MC3_MAX/2.;
1061 tpar[1] = Y_MC3_MIN;
1062
1063 const Float_t X_MC3D=tpar[0];
1064 const Float_t Z_MC3D=0.;
1065
1066 Float_t Y_MC3D=4.*Y_MC3_MIN;
cfce8870 1067 gMC->Gsposp("CC3A", 11, "CM21",X_MC3D,Y_MC3D,Z_MC3D, 0, "ONLY", tpar, 3);
1068 gMC->Gsposp("CC3A", 12, "CM21",X_MC3D,-Y_MC3D,Z_MC3D, 0, "ONLY", tpar, 3);
1069 gMC->Gsposp("CC3A", 13, "CM21",-X_MC3D,Y_MC3D,Z_MC3D, 0, "ONLY", tpar, 3);
1070 gMC->Gsposp("CC3A", 14, "CM21",-X_MC3D,-Y_MC3D,Z_MC3D, 0, "ONLY", tpar, 3);
fe4da5cc 1071
1072 Y_MC3D=6.*Y_MC3_MIN;
cfce8870 1073 gMC->Gsposp("CC3A", 15, "CM21",X_MC3D,Y_MC3D,Z_MC3D, 0, "ONLY", tpar, 3);
1074 gMC->Gsposp("CC3A", 16, "CM21",X_MC3D,-Y_MC3D,Z_MC3D, 0, "ONLY", tpar, 3);
1075 gMC->Gsposp("CC3A", 17, "CM21",-X_MC3D,Y_MC3D,Z_MC3D, 0, "ONLY", tpar, 3);
1076 gMC->Gsposp("CC3A", 18, "CM21",-X_MC3D,-Y_MC3D,Z_MC3D, 0, "ONLY", tpar, 3);
fe4da5cc 1077
1078 Y_MC3D=8.*Y_MC3_MIN;
cfce8870 1079 gMC->Gsposp("CC3A", 19, "CM21",X_MC3D,Y_MC3D,Z_MC3D, 0, "ONLY", tpar, 3);
1080 gMC->Gsposp("CC3A", 20, "CM21",X_MC3D,-Y_MC3D,Z_MC3D, 0, "ONLY", tpar, 3);
1081 gMC->Gsposp("CC3A", 21, "CM21",-X_MC3D,Y_MC3D,Z_MC3D, 0, "ONLY", tpar, 3);
1082 gMC->Gsposp("CC3A", 22, "CM21",-X_MC3D,-Y_MC3D,Z_MC3D, 0, "ONLY", tpar, 3);
fe4da5cc 1083
1084// Positioning third plane in ALICE
cfce8870 1085 gMC->Gspos("CM21", 1, "ALIC", 0., 0., zpos3, 0, "ONLY");
fe4da5cc 1086
1087// End of geometry definition for the third plane
1088
1089// Station 2 - plan 4 - same RPCs as plan 3 ==> small non covered area
1090// Y position moved (ratio zpos4/zpos3)
1091 const Float_t Z_3S4=zpos4/zpos3;
1092
1093// Definition of prototype for chambers in the fourth plane
1094
1095 tpar[0]= 0.;
1096 tpar[1]= 0.;
1097 tpar[2]= 0.;
1098
cfce8870 1099 gMC->Gsvolu("CC4A", "BOX ", idtmed[1103], tpar, 0); //Al
1100 gMC->Gsvolu("CB4A", "BOX ", idtmed[1107], tpar, 0); //Bakelite
1101 gMC->Gsvolu("CG4A", "BOX ", idtmed[1106], tpar, 0); //Gas streamer
fe4da5cc 1102
1103// chamber type A
1104 tpar[0] = -1.;
1105 tpar[1] = -1.;
1106
1107 const Float_t X_MC4A=X_MC3A;
1108 const Float_t Y_MC4A=0.;
1109 const Float_t Z_MC4A=0.;
1110
1111 tpar[2] = 0.1;
cfce8870 1112 gMC->Gsposp("CG4A", 1, "CB4A", 0., 0., 0., 0, "ONLY",tpar,3);
fe4da5cc 1113 tpar[2] = 0.3;
cfce8870 1114 gMC->Gsposp("CB4A", 1, "CC4A", 0., 0., 0., 0, "ONLY",tpar,3);
fe4da5cc 1115 tpar[2] = 0.4;
1116 tpar[0] = (X_MC3_MAX-X_MC3_MED)/2.;
1117 tpar[1] = Y_MC3_MIN;
cfce8870 1118 gMC->Gsposp("CC4A", 1, "CM22",X_MC4A,Y_MC4A,Z_MC4A, 0, "ONLY", tpar, 3);
1119 gMC->Gsposp("CC4A", 2, "CM22",-X_MC4A,Y_MC4A,Z_MC4A, 0, "ONLY", tpar, 3);
fe4da5cc 1120
1121// chamber type B
1122 tpar[0] = (X_MC3_MAX-X_MC3_MIN)/2.;
1123 tpar[1] = (Y_MC3_MAX-Y_MC3_MIN)/2.;
1124
1125 const Float_t X_MC4B=X_MC3B;
1126 const Float_t Y_MC4B=2.*Y_MC3_MIN*Z_3S4-Y_MC3_MIN*1.5+Y_MC3_MAX*0.5;
1127 const Float_t Z_MC4B=0.;
1128
cfce8870 1129 gMC->Gsposp("CC4A", 3, "CM22",X_MC4B,Y_MC4B,Z_MC4B, 0, "ONLY", tpar, 3);
1130 gMC->Gsposp("CC4A", 4, "CM22",-X_MC4B,Y_MC4B,Z_MC4B, 0, "ONLY", tpar, 3);
1131 gMC->Gsposp("CC4A", 5, "CM22",X_MC4B,-Y_MC4B,Z_MC4B, 0, "ONLY", tpar, 3);
1132 gMC->Gsposp("CC4A", 6, "CM22",-X_MC4B,-Y_MC4B,Z_MC4B, 0, "ONLY", tpar, 3);
fe4da5cc 1133
1134// chamber type C
1135 tpar[0] = X_MC3_MAX/2;
1136 tpar[1] = Y_MC3_MAX/2;
1137
1138 const Float_t X_MC4C=X_MC3C;
1139 const Float_t Y_MC4C=2.*Y_MC3_MIN*Z_3S4-Y_MC3_MIN*2.+Y_MC3_MAX*1.5;
1140 const Float_t Z_MC4C=0.;
1141
cfce8870 1142 gMC->Gsposp("CC4A", 7, "CM22",X_MC4C,Y_MC4C,Z_MC4C, 0, "ONLY", tpar, 3);
1143 gMC->Gsposp("CC4A", 8, "CM22",-X_MC4C,Y_MC4C,Z_MC4C, 0, "ONLY", tpar, 3);
1144 gMC->Gsposp("CC4A", 9, "CM22",X_MC4C,-Y_MC4C,Z_MC4C, 0, "ONLY", tpar, 3);
1145 gMC->Gsposp("CC4A", 10, "CM22",-X_MC4C,-Y_MC4C,Z_MC4C, 0, "ONLY", tpar, 3);
fe4da5cc 1146
1147// chamber type D
1148 tpar[0] = X_MC3_MAX/2.;
1149 tpar[1] = Y_MC3_MIN;
1150
1151 const Float_t X_MC4D=X_MC3D;
1152 const Float_t Z_MC4D=0.;
1153
1154 Float_t Y_MC4D=4.*Y_MC3_MIN*Z_3S4;
cfce8870 1155 gMC->Gsposp("CC4A", 11, "CM22",X_MC4D,Y_MC4D,Z_MC4D, 0, "ONLY", tpar, 3);
1156 gMC->Gsposp("CC4A", 12, "CM22",X_MC4D,-Y_MC4D,Z_MC4D, 0, "ONLY", tpar, 3);
1157 gMC->Gsposp("CC4A", 13, "CM22",-X_MC4D,Y_MC4D,Z_MC4D, 0, "ONLY", tpar, 3);
1158 gMC->Gsposp("CC4A", 14, "CM22",-X_MC4D,-Y_MC4D,Z_MC4D, 0, "ONLY", tpar, 3);
fe4da5cc 1159
1160 Y_MC4D=6.*Y_MC3_MIN*Z_3S4;
cfce8870 1161 gMC->Gsposp("CC4A", 15, "CM22",X_MC4D,Y_MC4D,Z_MC4D, 0, "ONLY", tpar, 3);
1162 gMC->Gsposp("CC4A", 16, "CM22",X_MC4D,-Y_MC4D,Z_MC4D, 0, "ONLY", tpar, 3);
1163 gMC->Gsposp("CC4A", 17, "CM22",-X_MC4D,Y_MC4D,Z_MC4D, 0, "ONLY", tpar, 3);
1164 gMC->Gsposp("CC4A", 18, "CM22",-X_MC4D,-Y_MC4D,Z_MC4D, 0, "ONLY", tpar, 3);
fe4da5cc 1165
1166 Y_MC4D=8.*Y_MC3_MIN*Z_3S4;
cfce8870 1167 gMC->Gsposp("CC4A", 19, "CM22",X_MC4D,Y_MC4D,Z_MC4D, 0, "ONLY", tpar, 3);
1168 gMC->Gsposp("CC4A", 20, "CM22",X_MC4D,-Y_MC4D,Z_MC4D, 0, "ONLY", tpar, 3);
1169 gMC->Gsposp("CC4A", 21, "CM22",-X_MC4D,Y_MC4D,Z_MC4D, 0, "ONLY", tpar, 3);
1170 gMC->Gsposp("CC4A", 22, "CM22",-X_MC4D,-Y_MC4D,Z_MC4D, 0, "ONLY", tpar, 3);
fe4da5cc 1171
cfce8870 1172 gMC->Gspos("CM22", 1, "ALIC", 0., 0., zpos4, 0, "ONLY");
fe4da5cc 1173}
1174
1175
1176//___________________________________________
1177void AliMUONv0::CreateMaterials()
1178{
1179 // *** DEFINITION OF AVAILABLE MUON MATERIALS ***
1180 //
1181 // Ar-CO2 gas
1182 Float_t ag1[3] = { 39.95,12.01,16. };
1183 Float_t zg1[3] = { 18.,6.,8. };
1184 Float_t wg1[3] = { .8,.0667,.13333 };
1185 Float_t dg1 = .001821;
1186 //
1187 // Ar-buthane-freon gas -- trigger chambers
1188 Float_t atr1[4] = { 39.95,12.01,1.01,19. };
1189 Float_t ztr1[4] = { 18.,6.,1.,9. };
1190 Float_t wtr1[4] = { .56,.1262857,.2857143,.028 };
1191 Float_t dtr1 = .002599;
1192 //
1193 // Ar-CO2 gas
1194 Float_t agas[3] = { 39.95,12.01,16. };
1195 Float_t zgas[3] = { 18.,6.,8. };
1196 Float_t wgas[3] = { .74,.086684,.173316 };
1197 Float_t dgas = .0018327;
1198 //
1199 // Ar-Isobutane gas (80%+20%) -- tracking
1200 Float_t ag[3] = { 39.95,12.01,1.01 };
1201 Float_t zg[3] = { 18.,6.,1. };
1202 Float_t wg[3] = { .8,.057,.143 };
1203 Float_t dg = .0019596;
1204 //
1205 // Ar-Isobutane-Forane-SF6 gas (49%+7%+40%+4%) -- trigger
1206 Float_t atrig[5] = { 39.95,12.01,1.01,19.,32.066 };
1207 Float_t ztrig[5] = { 18.,6.,1.,9.,16. };
1208 Float_t wtrig[5] = { .49,1.08,1.5,1.84,0.04 };
1209 Float_t dtrig = .0031463;
1210 //
1211 // bakelite
1212
1213 Float_t abak[3] = {12.01 , 1.01 , 16.};
1214 Float_t zbak[3] = {6. , 1. , 8.};
1215 Float_t wbak[3] = {6. , 6. , 1.};
1216 Float_t dbak = 1.4;
1217
1218 Float_t epsil, stmin, deemax, tmaxfd, stemax;
1219
1220 Int_t ISXFLD = gAlice->Field()->Integ();
1221 Float_t SXMGMX = gAlice->Field()->Max();
1222 //
1223 // --- Define the various materials for GEANT ---
1224 AliMaterial(9, "ALUMINIUM$", 26.98, 13., 2.7, 8.9, 37.2);
1225 AliMaterial(15, "AIR$ ", 14.61, 7.3, .001205, 30423.24, 67500);
1226 AliMixture(19, "Bakelite$", abak, zbak, dbak, -3, wbak);
1227 AliMixture(20, "ArC4H10 GAS$", ag, zg, dg, 3, wg);
1228 AliMixture(21, "TRIG GAS$", atrig, ztrig, dtrig, -5, wtrig);
1229 AliMixture(22, "ArCO2 80%$", ag1, zg1, dg1, 3, wg1);
1230 AliMixture(23, "Ar-freon $", atr1, ztr1, dtr1, 4, wtr1);
1231 AliMixture(24, "ArCO2 GAS$", agas, zgas, dgas, 3, wgas);
1232
1233 epsil = .001; // Tracking precision,
1234 stemax = -1.; // Maximum displacement for multiple scat
1235 tmaxfd = -20.; // Maximum angle due to field deflection
1236 deemax = -.3; // Maximum fractional energy loss, DLS
1237 stmin = -.8;
1238 //
1239 // Air
ad51aeb0 1240 AliMedium(1, "AIR_CH_US ", 15, 1, ISXFLD, SXMGMX, tmaxfd, stemax, deemax, epsil, stmin);
fe4da5cc 1241 //
1242 // Aluminum
1243
ad51aeb0 1244 AliMedium(4, "ALU_CH_US ", 9, 0, ISXFLD, SXMGMX, tmaxfd, fMaxStepAlu,
fe4da5cc 1245 fMaxDestepAlu, epsil, stmin);
1246 //
1247 // Ar-isoC4H10 gas
1248
ad51aeb0 1249 AliMedium(6, "AR_CH_US ", 20, 1, ISXFLD, SXMGMX, tmaxfd, fMaxStepGas,
fe4da5cc 1250 fMaxDestepGas, epsil, stmin);
1251//
1252 // Ar-Isobuthane-Forane-SF6 gas
1253
ad51aeb0 1254 AliMedium(7, "GAS_CH_TRIGGER ", 21, 1, ISXFLD, SXMGMX, tmaxfd, stemax, deemax, epsil, stmin);
fe4da5cc 1255
ad51aeb0 1256 AliMedium(8, "BAKE_CH_TRIGGER ", 19, 0, ISXFLD, SXMGMX, tmaxfd, fMaxStepAlu,
fe4da5cc 1257 fMaxDestepAlu, epsil, stmin);
1258
1259}
1260
1261//___________________________________________
1262
1263void AliMUONv0::Init()
1264{
1265 printf("\n\n\n Start Init for version 0 - CPC chamber type\n\n\n");
1266
1267 //
1268 // Initialize Tracking Chambers
1269 //
1270 for (Int_t i=0; i<NCH; i++) {
1271 ( (AliMUONchamber*) (*fChambers)[i])->Init();
1272 }
1273 //
1274 // Set the chamber (sensitive region) GEANT identifier
cfce8870 1275 ((AliMUONchamber*)(*fChambers)[0])->SetGid(gMC->VolId("C01G"));
1276 ((AliMUONchamber*)(*fChambers)[1])->SetGid(gMC->VolId("C02G"));
1277 ((AliMUONchamber*)(*fChambers)[2])->SetGid(gMC->VolId("C03G"));
1278 ((AliMUONchamber*)(*fChambers)[3])->SetGid(gMC->VolId("C04G"));
1279 ((AliMUONchamber*)(*fChambers)[4])->SetGid(gMC->VolId("C05G"));
1280 ((AliMUONchamber*)(*fChambers)[5])->SetGid(gMC->VolId("C06G"));
1281 ((AliMUONchamber*)(*fChambers)[6])->SetGid(gMC->VolId("C07G"));
1282 ((AliMUONchamber*)(*fChambers)[7])->SetGid(gMC->VolId("C08G"));
1283 ((AliMUONchamber*)(*fChambers)[8])->SetGid(gMC->VolId("C09G"));
1284 ((AliMUONchamber*)(*fChambers)[9])->SetGid(gMC->VolId("C10G"));
1285 ((AliMUONchamber*)(*fChambers)[10])->SetGid(gMC->VolId("CG1A"));
1286 ((AliMUONchamber*)(*fChambers)[11])->SetGid(gMC->VolId("CG2A"));
1287 ((AliMUONchamber*)(*fChambers)[12])->SetGid(gMC->VolId("CG3A"));
1288 ((AliMUONchamber*)(*fChambers)[13])->SetGid(gMC->VolId("CG4A"));
fe4da5cc 1289
1290 printf("\n\n\n Finished Init for version 0 - CPC chamber type\n\n\n");
1291}
1292
1293//___________________________________________
1294void AliMUONv0::StepManager()
1295{
1296 Int_t copy, id;
1297 static Int_t idvol;
1298 static Int_t vol[2];
1299 Int_t ipart;
dd239130 1300 static Float_t hits[10];
fe4da5cc 1301 Float_t destep, step;
1302 static Float_t eloss, xhit, yhit, tlength;
1303 const Float_t big=1.e10;
0a6d8768 1304 TLorentzVector pos, mom;
fe4da5cc 1305
1306 TClonesArray &lhits = *fHits;
fe4da5cc 1307
1308 //
1309 // Set maximum step size for gas
cfce8870 1310 // numed=gMC->GetMedium();
fe4da5cc 1311 //
1312 // Only charged tracks
cfce8870 1313 if( !(gMC->TrackCharge()) ) return;
fe4da5cc 1314 //
1315 // Only gas gap inside chamber
1316 // Tag chambers and record hits when track enters
1317 idvol=-1;
0a6d8768 1318 id=gMC->CurrentVolID(copy);
fe4da5cc 1319
1320 for (Int_t i=1; i<=NCH; i++) {
1321 if(id==((AliMUONchamber*)(*fChambers)[i-1])->GetGid()){
1322 vol[0]=i;
1323 idvol=i-1;
1324 }
1325 }
1326 if (idvol == -1) return;
1327 //
1328 // Get current particle id (ipart), track position (pos) and momentum (mom)
cfce8870 1329 gMC->TrackPosition(pos);
1330 gMC->TrackMomentum(mom);
fe4da5cc 1331
cfce8870 1332 ipart = gMC->TrackPid();
fe4da5cc 1333 //
1334 // momentum loss and steplength in last step
cfce8870 1335 destep = gMC->Edep();
1336 step = gMC->TrackStep();
fe4da5cc 1337
1338 //
1339 // record hits when track enters ...
0a6d8768 1340 if( gMC->IsTrackEntering()) {
cfce8870 1341 gMC->SetMaxStep(fMaxStepGas);
0a6d8768 1342 // Double_t tc = mom[0]*mom[0]+mom[1]*mom[1];
1343 //Double_t rt = TMath::Sqrt(tc);
1344 //theta = Float_t(TMath::ATan2(rt,Double_t(mom[2])))*kRaddeg;
1345 //phi = Float_t(TMath::ATan2(Double_t(mom[1]),Double_t(mom[0])))*kRaddeg;
fe4da5cc 1346 hits[0] = Float_t(ipart); // Geant3 particle type
1347 hits[1] = pos[0]; // X-position for hit
1348 hits[2] = pos[1]; // Y-position for hit
1349 hits[3] = pos[2]; // Z-position for hit
0a6d8768 1350 hits[4] = mom.Theta()*kRaddeg; // theta angle of incidence
1351 hits[5] = mom.Phi()*kRaddeg; // phi angle of incidence
fe4da5cc 1352 hits[8] = (Float_t) fNclusters; // first padhit
1353 hits[9] = -1; // last pad hit
1354 // phi angle of incidence
1355 tlength = 0;
1356 eloss = 0;
1357 xhit = pos[0];
1358 yhit = pos[1];
1359 // Only if not trigger chamber
1360 if(idvol<10) {
1361 //
1362 // Initialize hit position (cursor) in the segmentation model
1363 ((AliMUONchamber*) (*fChambers)[idvol])
1364 ->SigGenInit(pos[0], pos[1], pos[2]);
1365 } else {
1366 //geant3->Gpcxyz();
1367 //printf("In the Trigger Chamber #%d\n",idvol-9);
1368 }
1369 }
1370
1371 //
1372 // Calculate the charge induced on a pad (disintegration) in case
1373 //
1374 // Mip left chamber ...
0a6d8768 1375 if( gMC->IsTrackExiting() || gMC->IsTrackStop() || gMC->IsTrackDisappeared()){
cfce8870 1376 gMC->SetMaxStep(big);
fe4da5cc 1377 eloss += destep;
1378 tlength += step;
1379
1380 // Only if not trigger chamber
1381 if(idvol<10) {
1382 if (eloss > 0) MakePadHits(xhit,yhit,eloss,idvol);
1383 }
1384
1385 hits[6]=tlength;
1386 hits[7]=eloss;
1387 if (fNclusters > (Int_t)hits[8]) {
1388 hits[8]= hits[8]+1;
1389 hits[9]= (Float_t) fNclusters;
1390 }
1391
1392 new(lhits[fNhits++])
1393 AliMUONhit(fIshunt,gAlice->CurrentTrack(),vol,hits);
1394 eloss = 0;
1395 //
1396 // Check additional signal generation conditions
1397 // defined by the segmentation
1398 // model (boundary crossing conditions)
1399 } else if
1400 (((AliMUONchamber*) (*fChambers)[idvol])
1401 ->SigGenCond(pos[0], pos[1], pos[2]))
1402 {
1403 ((AliMUONchamber*) (*fChambers)[idvol])
1404 ->SigGenInit(pos[0], pos[1], pos[2]);
1405// printf("\n-> MakePadHits, reason special %d",ipart);
1406 if (eloss > 0) MakePadHits(xhit,yhit,eloss,idvol);
1407 xhit = pos[0];
1408 yhit = pos[1];
1409 eloss = destep;
1410 tlength += step ;
1411 //
1412 // nothing special happened, add up energy loss
1413 } else {
1414 eloss += destep;
1415 tlength += step ;
1416 }
1417}
1418
1419//___________________________________________
1420void AliMUON::MakePadHits(Float_t xhit,Float_t yhit,Float_t eloss, Int_t idvol)
1421{
1422//
1423// Calls the charge disintegration method of the current chamber and adds
1424// the simulated cluster to the root treee
1425//
1426 Int_t clhits[7];
1427 Float_t newclust[6][500];
1428 Int_t nnew;
1429
1430
1431//
1432// Integrated pulse height on chamber
1433
1434
1435 clhits[0]=fNhits+1;
1436//
1437//
1438 ((AliMUONchamber*) (*fChambers)[idvol])->DisIntegration(eloss, xhit, yhit, nnew, newclust);
1439// printf("\n Add new clusters %d %f", nnew, eloss*1.e9);
1440 Int_t ic=0;
1441
1442//
1443// Add new clusters
1444 for (Int_t i=0; i<nnew; i++) {
1445 if (Int_t(newclust[3][i]) > 0) {
1446 ic++;
1447// Cathode plane
1448 clhits[1] = Int_t(newclust[5][i]);
1449// Cluster Charge
1450 clhits[2] = Int_t(newclust[0][i]);
1451// Pad: ix
1452 clhits[3] = Int_t(newclust[1][i]);
1453// Pad: iy
1454 clhits[4] = Int_t(newclust[2][i]);
1455// Pad: charge
1456 clhits[5] = Int_t(newclust[3][i]);
1457// Pad: chamber sector
1458 clhits[6] = Int_t(newclust[4][i]);
1459
1460 AddCluster(clhits);
1461 }
1462 }
1463// printf("\n %d new clusters added", ic);
1464}
1465
1466ClassImp(AliMUONchamber)
1467 AliMUONchamber::AliMUONchamber()
1468{
1469 fSegmentation = new TObjArray(2);
1470 fResponse=0;
1471 fnsec=1;
1472}
1473
1474void AliMUONchamber::Init()
1475{
1476
1477 ((AliMUONsegmentation *) (*fSegmentation)[0])->Init(this);
1478 if (fnsec==2) {
1479 ((AliMUONsegmentation *) (*fSegmentation)[1])->Init(this);
1480 }
1481
1482}
1483
1484void AliMUONchamber::DisIntegration(Float_t eloss, Float_t xhit, Float_t yhit,
1485 Int_t& nnew,Float_t newclust[6][500])
1486{
1487//
1488// Generates pad hits (simulated cluster)
1489// using the segmentation and the response model
1490 Float_t dx, dy;
1491 //
1492 // Width of the integration area
1493 //
1494 dx=fResponse->Nsigma()*fResponse->ChwX();
1495 dy=fResponse->Nsigma()*fResponse->ChwY();
1496 //
1497 // Get pulse height from energy loss
1498 Float_t qtot = fResponse->IntPH(eloss);
1499 //
1500 // Loop Over Pads
1501
1502 Float_t qcheck=0, qp;
1503 nnew=0;
1504 for (Int_t i=1; i<=fnsec; i++) {
1505 qcheck=0;
1506 AliMUONsegmentation * segmentation=(AliMUONsegmentation *) (*fSegmentation)[i-1];
1507 for (segmentation->FirstPad(xhit, yhit, dx, dy);
1508 segmentation->MorePads();
1509 segmentation->NextPad())
1510 {
1511 qp=fResponse->IntXY(segmentation);
1512 qp=TMath::Abs(qp);
1513
1514//
1515//
1516 if (qp > 1.e-4) {
1517 qcheck+=qp;
1518 //
1519 // --- store signal information
1520 newclust[0][nnew]=qtot;
1521 newclust[1][nnew]=segmentation->Ix();
1522 newclust[2][nnew]=segmentation->Iy();
1523 newclust[3][nnew]=qp * qtot;
1524 newclust[4][nnew]=segmentation->ISector();
1525 newclust[5][nnew]=(Float_t) i;
1526// printf("\n pad hit %d %d %f %f ",nnew,i,newclust[1][nnew],newclust[2][nnew]);
1527 nnew++;
1528
1529
1530 }
1531 } // Pad loop
1532// printf("\n check sum is %f %f %f %f %d",qcheck,qtot,xhit,yhit,fGid);
1533 } // Cathode plane loop
1534}
1535
1536
1537ClassImp(AliMUONsegmentation)
1538ClassImp(AliMUONresponse)
1539//___________________________________________
1540ClassImp(AliMUONsegmentationV0)
1541 void AliMUONsegmentationV0::Init(AliMUONchamber* Chamber)
1542{
1543 fNpx=(Int_t) (Chamber->frMax/fDpx+1);
1544 fNpy=(Int_t) (Chamber->frMax/fDpy+1);
1545}
1546
1547
1548Float_t AliMUONsegmentationV0::GetAnod(Float_t xhit)
1549{
1550 Float_t wire= (xhit<0)? Int_t(xhit/fWireD)+0.5:Int_t(xhit/fWireD)-0.5;
1551 return fWireD*wire;
1552}
1553
1554void AliMUONsegmentationV0::SetPADSIZ(Float_t p1, Float_t p2)
1555{
1556 fDpx=p1;
1557 fDpy=p2;
1558}
1559void AliMUONsegmentationV0::
1560 GetPadIxy(Float_t x, Float_t y, Int_t &ix, Int_t &iy)
1561{
1562// returns pad coordinates (ix,iy) for given real coordinates (x,y)
1563//
1564 ix = (x>0)? Int_t(x/fDpx)+1 : Int_t(x/fDpx)-1;
1565 iy = (y>0)? Int_t(y/fDpy)+1 : Int_t(y/fDpy)-1;
1566 if (iy > fNpy) iy= fNpy;
1567 if (iy < -fNpy) iy=-fNpy;
1568 if (ix > fNpx) ix= fNpx;
1569 if (ix < -fNpx) ix=-fNpx;
1570}
1571void AliMUONsegmentationV0::
1572GetPadCxy(Int_t ix, Int_t iy, Float_t &x, Float_t &y)
1573{
1574// returns real coordinates (x,y) for given pad coordinates (ix,iy)
1575//
1576 x = (ix>0) ? Float_t(ix*fDpx)-fDpx/2. : Float_t(ix*fDpx)+fDpx/2.;
1577 y = (iy>0) ? Float_t(iy*fDpy)-fDpy/2. : Float_t(iy*fDpy)+fDpy/2.;
1578}
1579
1580void AliMUONsegmentationV0::
1581FirstPad(Float_t xhit, Float_t yhit, Float_t dx, Float_t dy)
1582{
1583 //
1584 // Find the wire position (center of charge distribution)
1585 Float_t x0a=GetAnod(xhit);
1586 //
1587 // and take fNsigma*sigma around this center
1588 Float_t x01=x0a - dx;
1589 Float_t x02=x0a + dx;
1590 Float_t y01=yhit - dy;
1591 Float_t y02=yhit + dy;
1592 //
1593 // find the pads over which the charge distributes
1594 GetPadIxy(x01,y01,fixmin,fiymin);
1595 GetPadIxy(x02,y02,fixmax,fiymax);
1596// printf("\n %f %f %d %d",x02,y02,fixmax,fiymax);
1597// printf("\n FirstPad called %f %f ", fDpx, fDpy);
1598// printf("\n Hit Position %f %f",xhit,yhit);
1599// printf("\n Integration limits: %i %i %i %i",fixmin,fixmax,fiymin,fiymax);
1600// printf("\n Integration limits: %f %f %f %f \n",x01,x02,y01,y02);
1601 //
1602 // Set current pad to lower left corner
1603 fix=fixmin;
1604 fiy=fiymin;
1605 GetPadCxy(fix,fiy,fx,fy);
1606}
1607
1608void AliMUONsegmentationV0::NextPad()
1609{
1610 //
1611 // Step to next pad in integration region
1612 if (fix != fixmax) {
1613 fix++;
1614 } else if (fiy != fiymax) {
1615 fix=fixmin;
1616 fiy++;
1617 } else {
1618 printf("\n Error: Stepping outside integration region\n ");
1619 }
1620 GetPadCxy(fix,fiy,fx,fy);
1621}
1622
1623Int_t AliMUONsegmentationV0::MorePads()
1624//
1625// Are there more pads in the integration region
1626{
1627 if (fix == fixmax && fiy == fiymax) {
1628 return 0;
1629 } else {
1630 return 1;
1631
1632 }
1633}
1634
1635void AliMUONsegmentationV0::SigGenInit(Float_t x,Float_t y,Float_t)
1636{
1637//
1638// Initialises pad and wire position during stepping
1639 fxt =x;
1640 fyt =y;
1641 GetPadIxy(x,y,fixt,fiyt);
1642 fiwt=Int_t(x/fWireD)+1;
1643}
1644
1645Int_t AliMUONsegmentationV0::SigGenCond(Float_t x,Float_t y,Float_t)
1646{
1647//
1648// Signal will be generated if particle crosses pad boundary or
1649// boundary between two wires.
1650 Int_t ixt, iyt;
1651 GetPadIxy(x,y,ixt,iyt);
1652 Int_t iwt=Int_t(x/fWireD)+1;
1653
1654 if ((ixt != fixt) || (iyt !=fiyt) || (iwt != fiwt)) {
1655 return 1;
1656 } else {
1657 return 0;
1658 }
1659}
1660void AliMUONsegmentationV0::
1661IntegrationLimits(Float_t& x1,Float_t& x2,Float_t& y1, Float_t& y2)
1662{
1663 x1=fxt-fx-fDpx/2.;
1664 x2=x1+fDpx;
1665 y1=fyt-fy-fDpy/2.;
1666 y2=y1+fDpy;
1667}
1668
1669void AliMUONsegmentationV0::
1670Neighbours(Int_t iX, Int_t iY, Int_t* Nlist, Int_t Xlist[7], Int_t Ylist[7])
1671{
1672 *Nlist=4;Xlist[0]=Xlist[1]=iX;Xlist[2]=iX-1;Xlist[3]=iX+1;
1673 Ylist[0]=iY-1;Ylist[1]=iY+1;Ylist[2]=Ylist[3]=iY;
1674}
1675
1676void AliMUONsegmentationV0::
1677FitXY(AliMUONRecCluster* ,TClonesArray* )
1678 // Default : Centre of gravity method
1679{
1680 ;
1681}
1682
1683
1684//___________________________________________
1685ClassImp(AliMUONresponseV0)
1686Float_t AliMUONresponseV0::IntPH(Float_t eloss)
1687{
1688 // Get number of electrons and return charge
1689
1690 Int_t nel;
1691 nel= Int_t(eloss*1.e9/26.);
1692 Float_t charge=0;
1693 if (nel == 0) nel=1;
1694 for (Int_t i=1;i<=nel;i++) {
1695 charge -= fChslope*TMath::Log(gRandom->Rndm());
1696 }
1697 return charge;
1698}
1699// -------------------------------------------
1700Float_t AliMUONresponseV0::IntXY(AliMUONsegmentation * segmentation)
1701{
1702
1703 const Float_t invpitch = 1/fPitch;
1704//
1705// Integration limits defined by segmentation model
1706//
1707 Float_t xi1, xi2, yi1, yi2;
1708 segmentation->IntegrationLimits(xi1,xi2,yi1,yi2);
1709 xi1=xi1*invpitch;
1710 xi2=xi2*invpitch;
1711 yi1=yi1*invpitch;
1712 yi2=yi2*invpitch;
1713//
1714// The Mathieson function
1715 Double_t ux1=fSqrtKx3*TMath::TanH(fKx2*xi1);
1716 Double_t ux2=fSqrtKx3*TMath::TanH(fKx2*xi2);
1717
1718 Double_t uy1=fSqrtKy3*TMath::TanH(fKy2*yi1);
1719 Double_t uy2=fSqrtKy3*TMath::TanH(fKy2*yi2);
1720
1721
1722 return Float_t(4.*fKx4*(TMath::ATan(ux2)-TMath::ATan(ux1))*
1723 fKy4*(TMath::ATan(uy2)-TMath::ATan(uy1)));
1724}
1725
1726// -------------------------------------------
1727ClassImp(AliMUONgeometry)
1728 void AliMUONgeometry::InitGeo(Float_t)
1729{
1730 fdGas= 0.5;
1731 fdAlu= 2.5/100*8.9;
1732}
1733
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