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4c039060 | 1 | /************************************************************************** |
2 | * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * | |
3 | * * | |
4 | * Author: The ALICE Off-line Project. * | |
5 | * Contributors are mentioned in the code where appropriate. * | |
6 | * * | |
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 | **************************************************************************/ | |
15 | ||
16 | /* | |
17 | $Log$ | |
ab76897d | 18 | Revision 1.11 1999/10/22 08:04:14 fca |
19 | Correct improper use of negative parameters | |
20 | ||
d0a635a0 | 21 | Revision 1.10 1999/10/16 19:30:06 fca |
22 | Corrected Rotation Matrix and CVS log | |
23 | ||
00e5f8d9 | 24 | Revision 1.9 1999/10/15 15:35:20 fca |
25 | New version for frame1099 with and without holes | |
26 | ||
27 | Revision 1.8 1999/09/29 09:24:33 fca | |
937fe4a4 | 28 | Introduction of the Copyright and cvs Log |
29 | ||
4c039060 | 30 | */ |
31 | ||
fe4da5cc | 32 | /////////////////////////////////////////////////////////////////////////////// |
33 | // // | |
937fe4a4 | 34 | // Time Of Flight: design of C.Williams FCA // |
35 | // This class contains the functions for version 1 of the Time Of Flight // | |
fe4da5cc | 36 | // detector. // |
937fe4a4 | 37 | // |
38 | // VERSION WITH 5 MODULES AND TILTED STRIPS | |
39 | // | |
40 | // FULL COVERAGE VERSION | |
41 | // | |
42 | // Authors: | |
43 | // | |
44 | // Alessio Seganti | |
45 | // Domenico Vicinanza | |
46 | // | |
47 | // University of Salerno - Italy | |
48 | // | |
49 | // | |
fe4da5cc | 50 | //Begin_Html |
51 | /* | |
1439f98e | 52 | <img src="picts/AliTOFv3Class.gif"> |
fe4da5cc | 53 | */ |
54 | //End_Html | |
55 | // // | |
56 | /////////////////////////////////////////////////////////////////////////////// | |
57 | ||
58 | #include "AliTOFv3.h" | |
fe4da5cc | 59 | #include "AliRun.h" |
3fe3a833 | 60 | #include "AliConst.h" |
fe4da5cc | 61 | |
62 | ClassImp(AliTOFv3) | |
63 | ||
64 | //_____________________________________________________________________________ | |
ad51aeb0 | 65 | AliTOFv3::AliTOFv3() |
fe4da5cc | 66 | { |
67 | // | |
68 | // Default constructor | |
69 | // | |
70 | } | |
71 | ||
72 | //_____________________________________________________________________________ | |
73 | AliTOFv3::AliTOFv3(const char *name, const char *title) | |
74 | : AliTOF(name,title) | |
75 | { | |
76 | // | |
77 | // Standard constructor | |
78 | // | |
79 | } | |
80 | ||
81 | //_____________________________________________________________________________ | |
82 | void AliTOFv3::CreateGeometry() | |
83 | { | |
84 | // | |
3fe3a833 | 85 | // Create geometry for Time Of Flight version 0 |
fe4da5cc | 86 | // |
87 | //Begin_Html | |
88 | /* | |
1439f98e | 89 | <img src="picts/AliTOFv3.gif"> |
fe4da5cc | 90 | */ |
91 | //End_Html | |
92 | // | |
937fe4a4 | 93 | // Creates common geometry |
fe4da5cc | 94 | // |
95 | AliTOF::CreateGeometry(); | |
96 | } | |
97 | ||
98 | //_____________________________________________________________________________ | |
937fe4a4 | 99 | void AliTOFv3::TOFpc(Float_t xtof, Float_t ytof, Float_t zlen1, |
100 | Float_t zlen2, Float_t zlen3, Float_t ztof0) | |
fe4da5cc | 101 | { |
102 | // | |
3fe3a833 | 103 | // Definition of the Time Of Fligh Resistive Plate Chambers |
937fe4a4 | 104 | // xFLT, yFLT, zFLT - sizes of TOF modules (large) |
3fe3a833 | 105 | |
937fe4a4 | 106 | Float_t ycoor, zcoor; |
fe4da5cc | 107 | Float_t par[10]; |
fe4da5cc | 108 | |
ad51aeb0 | 109 | Int_t *idtmed = fIdtmed->GetArray()-499; |
937fe4a4 | 110 | |
111 | Int_t idrotm[100]; | |
112 | Int_t nrot = 0; | |
fe4da5cc | 113 | |
937fe4a4 | 114 | |
115 | ||
116 | par[0] = xtof / 2.; | |
117 | par[1] = ytof / 2.; | |
118 | par[2] = zlen1 / 2.; | |
119 | gMC->Gsvolu("FTO1", "BOX ", idtmed[506], par, 3); | |
120 | par[2] = zlen2 / 2.; | |
121 | gMC->Gsvolu("FTO2", "BOX ", idtmed[506], par, 3); | |
122 | par[2] = zlen3 / 2.; | |
123 | gMC->Gsvolu("FTO3", "BOX ", idtmed[506], par, 3); | |
124 | ||
125 | ||
126 | // Positioning of modules | |
127 | ||
128 | Float_t zcor1 = ztof0 - zlen1/2; | |
129 | Float_t zcor2 = ztof0 - zlen1 - zlen2/2.; | |
130 | Float_t zcor3 = 0.; | |
131 | ||
132 | AliMatrix(idrotm[0], 90., 0., 0., 0., 90, -90.); | |
133 | AliMatrix(idrotm[1], 90., 180., 0., 0., 90, 90.); | |
134 | gMC->Gspos("FTO1", 1, "BTO1", 0, zcor1, 0, idrotm[0], "ONLY"); | |
135 | gMC->Gspos("FTO1", 2, "BTO1", 0, -zcor1, 0, idrotm[1], "ONLY"); | |
136 | gMC->Gspos("FTO1", 1, "BTO2", 0, zcor1, 0, idrotm[0], "ONLY"); | |
137 | gMC->Gspos("FTO1", 2, "BTO2", 0, -zcor1, 0, idrotm[1], "ONLY"); | |
138 | gMC->Gspos("FTO1", 1, "BTO3", 0, zcor1, 0, idrotm[0], "ONLY"); | |
139 | gMC->Gspos("FTO1", 2, "BTO3", 0, -zcor1, 0, idrotm[1], "ONLY"); | |
140 | ||
141 | gMC->Gspos("FTO2", 1, "BTO1", 0, zcor2, 0, idrotm[0], "ONLY"); | |
142 | gMC->Gspos("FTO2", 2, "BTO1", 0, -zcor2, 0, idrotm[1], "ONLY"); | |
143 | gMC->Gspos("FTO2", 1, "BTO2", 0, zcor2, 0, idrotm[0], "ONLY"); | |
144 | gMC->Gspos("FTO2", 2, "BTO2", 0, -zcor2, 0, idrotm[1], "ONLY"); | |
145 | gMC->Gspos("FTO2", 1, "BTO3", 0, zcor2, 0, idrotm[0], "ONLY"); | |
146 | gMC->Gspos("FTO2", 2, "BTO3", 0, -zcor2, 0, idrotm[1], "ONLY"); | |
147 | ||
148 | gMC->Gspos("FTO3", 0, "BTO1", 0, zcor3, 0, idrotm[0], "ONLY"); | |
149 | gMC->Gspos("FTO3", 0, "BTO2", 0, zcor3, 0, idrotm[0], "ONLY"); | |
150 | gMC->Gspos("FTO3", 0, "BTO3", 0, zcor3, 0, idrotm[0], "ONLY"); | |
151 | ||
152 | // Subtraction the distance to TOF module boundaries | |
153 | ||
154 | Float_t db = 7.; | |
155 | Float_t xFLT, yFLT, zFLT1, zFLT2, zFLT3; | |
156 | ||
157 | xFLT = xtof -(.5 +.5)*2; | |
158 | yFLT = ytof; | |
159 | zFLT1 = zlen1 - db; | |
160 | zFLT2 = zlen2 - db; | |
161 | zFLT3 = zlen3 - db; | |
162 | ||
163 | // Sizes of MRPC pads | |
164 | ||
165 | Float_t yPad = 0.505; | |
166 | ||
167 | // Large not sensitive volumes with CO2 | |
168 | par[0] = xFLT/2; | |
169 | par[1] = yFLT/2; | |
170 | ||
3fe3a833 | 171 | cout <<"************************* TOF geometry **************************"<<endl; |
937fe4a4 | 172 | |
173 | par[2] = (zFLT1 / 2.); | |
3fe3a833 | 174 | gMC->Gsvolu("FLT1", "BOX ", idtmed[506], par, 3); // CO2 |
937fe4a4 | 175 | gMC->Gspos("FLT1", 0, "FTO1", 0., 0., 0., 0, "ONLY"); |
176 | ||
177 | par[2] = (zFLT2 / 2.); | |
3fe3a833 | 178 | gMC->Gsvolu("FLT2", "BOX ", idtmed[506], par, 3); // CO2 |
937fe4a4 | 179 | gMC->Gspos("FLT2", 0, "FTO2", 0., 0., 0., 0, "ONLY"); |
180 | ||
181 | par[2] = (zFLT3 / 2.); | |
3fe3a833 | 182 | gMC->Gsvolu("FLT3", "BOX ", idtmed[506], par, 3); // CO2 |
937fe4a4 | 183 | gMC->Gspos("FLT3", 0, "FTO3", 0., 0., 0., 0, "ONLY"); |
184 | ||
3fe3a833 | 185 | ////////// Layers before detector //////////////////// |
937fe4a4 | 186 | |
187 | // Alluminium layer in front 1.0 mm thick at the beginning | |
3fe3a833 | 188 | par[0] = -1; |
937fe4a4 | 189 | par[1] = 0.1; |
3fe3a833 | 190 | par[2] = -1; |
937fe4a4 | 191 | ycoor = -yFLT/2 + par[1]; |
192 | gMC->Gsvolu("FMY1", "BOX ", idtmed[508], par, 3); // Alluminium | |
3fe3a833 | 193 | gMC->Gspos("FMY1", 0, "FLT1", 0., ycoor, 0., 0, "ONLY"); |
937fe4a4 | 194 | gMC->Gsvolu("FMY2", "BOX ", idtmed[508], par, 3); // Alluminium |
3fe3a833 | 195 | gMC->Gspos("FMY2", 0, "FLT2", 0., ycoor, 0., 0, "ONLY"); |
937fe4a4 | 196 | gMC->Gsvolu("FMY3", "BOX ", idtmed[508], par, 3); // Alluminium |
3fe3a833 | 197 | gMC->Gspos("FMY3", 0, "FLT3", 0., ycoor, 0., 0, "ONLY"); |
937fe4a4 | 198 | |
199 | // Honeycomb layer (1cm of special polyethilene) | |
3fe3a833 | 200 | ycoor = ycoor + par[1]; |
201 | par[0] = -1; | |
937fe4a4 | 202 | par[1] = 0.5; |
3fe3a833 | 203 | par[2] = -1; |
204 | ycoor = ycoor + par[1]; | |
205 | gMC->Gsvolu("FPL1", "BOX ", idtmed[503], par, 3); // Hony | |
206 | gMC->Gspos("FPL1", 0, "FLT1", 0., ycoor, 0., 0, "ONLY"); | |
207 | gMC->Gsvolu("FPL2", "BOX ", idtmed[503], par, 3); // Hony | |
208 | gMC->Gspos("FPL2", 0, "FLT2", 0., ycoor, 0., 0, "ONLY"); | |
209 | gMC->Gsvolu("FPL3", "BOX ", idtmed[503], par, 3); // Hony | |
210 | gMC->Gspos("FPL3", 0, "FLT3", 0., ycoor, 0., 0, "ONLY"); | |
937fe4a4 | 211 | |
3fe3a833 | 212 | ///////////////// Detector itself ////////////////////// |
937fe4a4 | 213 | |
214 | const Float_t StripWidth = 7.81;//cm | |
215 | const Float_t DeadBound = 1.;//cm non-sensitive between the pad edge and the boundary of the strip | |
216 | const Int_t nx = 40; // number of pads along x | |
217 | const Int_t nz = 2; // number of pads along z | |
218 | const Float_t Gap=4.; //cm distance between the strip axis | |
219 | const Float_t Space = 5.5; //cm distance from the front plate of the box | |
220 | ||
221 | Float_t zSenStrip; | |
222 | zSenStrip = StripWidth-2*DeadBound;//cm | |
223 | ||
d0a635a0 | 224 | par[0] = xFLT/2; |
937fe4a4 | 225 | par[1] = yPad/2; |
226 | par[2] = StripWidth/2.; | |
227 | ||
228 | // Glass Layer of detector | |
229 | gMC->Gsvolu("FSTR","BOX",idtmed[514],par,3); | |
230 | ||
231 | // Freon for non-sesitive boundaries | |
d0a635a0 | 232 | par[0] = xFLT/2; |
937fe4a4 | 233 | par[1] = 0.110/2; |
3fe3a833 | 234 | par[2] = -1; |
937fe4a4 | 235 | gMC->Gsvolu("FNSF","BOX",idtmed[512],par,3); |
236 | gMC->Gspos("FNSF",0,"FSTR",0.,0.,0.,0,"ONLY"); | |
237 | // Mylar for non-sesitive boundaries | |
238 | par[1] = 0.025; | |
239 | gMC->Gsvolu("FMYI","BOX",idtmed[510],par,3); | |
240 | gMC->Gspos("FMYI",0,"FNSF",0.,0.,0.,0,"ONLY"); | |
241 | ||
242 | // Mylar for outer layers | |
243 | par[1] = 0.035/2; | |
244 | ycoor = -yPad/2.+par[1]; | |
245 | gMC->Gsvolu("FMYX","BOX",idtmed[510],par,3); | |
246 | gMC->Gspos("FMYX",1,"FSTR",0.,ycoor,0.,0,"ONLY"); | |
247 | gMC->Gspos("FMYX",2,"FSTR",0.,-ycoor,0.,0,"ONLY"); | |
248 | ycoor += par[1]; | |
249 | ||
250 | // Graphyte layers | |
251 | par[1] = 0.003/2; | |
252 | ycoor += par[1]; | |
253 | gMC->Gsvolu("FGRL","BOX",idtmed[502],par,3); | |
254 | gMC->Gspos("FGRL",1,"FSTR",0.,ycoor,0.,0,"ONLY"); | |
255 | gMC->Gspos("FGRL",2,"FSTR",0.,-ycoor,0.,0,"ONLY"); | |
256 | ||
257 | // Freon sensitive layer | |
3fe3a833 | 258 | par[0] = -1; |
937fe4a4 | 259 | par[1] = 0.110/2.; |
260 | par[2] = zSenStrip/2.; | |
261 | gMC->Gsvolu("FCFC","BOX",idtmed[513],par,3); | |
262 | gMC->Gspos("FCFC",0,"FNSF",0.,0.,0.,0,"ONLY"); | |
263 | ||
264 | // Pad definition x & z | |
265 | gMC->Gsdvn("FLZ","FCFC", nz, 3); | |
266 | gMC->Gsdvn("FLX","FLZ" , nx, 1); | |
267 | ||
268 | // MRPC pixel itself | |
269 | par[0] = -1; | |
270 | par[1] = -1; | |
3fe3a833 | 271 | par[2] = -1; |
937fe4a4 | 272 | gMC->Gsvolu("FPAD", "BOX ", idtmed[513], par, 3); |
273 | gMC->Gspos("FPAD", 0, "FLX", 0., 0., 0., 0, "ONLY"); | |
274 | ||
275 | ||
276 | //// Positioning the Strips (FSTR) in the FLT volumes ///// | |
277 | ||
278 | ||
279 | // 3 (Central) Plate | |
280 | Float_t t = zFLT1+zFLT2+zFLT3/2.+7.*2.5;//Half Width of Barrel | |
281 | Float_t zpos = 0; | |
282 | Float_t ang; | |
283 | Float_t Offset; | |
284 | Float_t last; | |
285 | nrot = 0; | |
286 | Int_t i=1,j=1; | |
287 | zcoor=0; | |
288 | Int_t UpDown=-1; // UpDown=-1 -> Upper strip, UpDown=+1 -> Lower strip | |
289 | ||
290 | do{ | |
291 | ang = atan(zcoor/t); | |
00e5f8d9 | 292 | ang = ang * kRaddeg; |
293 | AliMatrix (idrotm[nrot] ,90., 0.,90.-ang,90.,-ang,90.); | |
294 | AliMatrix (idrotm[nrot+1],90.,180.,90.+ang,90., ang,90.); | |
937fe4a4 | 295 | ycoor = -29./2.+ Space; //2 cm over front plate |
296 | ycoor += (1-(UpDown+1)/2)*Gap; | |
297 | gMC->Gspos("FSTR",j,"FLT3",0.,ycoor,zcoor,idrotm[nrot],"ONLY"); | |
298 | gMC->Gspos("FSTR",j+1,"FLT3",0.,ycoor,-zcoor,idrotm[nrot+1],"ONLY"); | |
00e5f8d9 | 299 | ang = ang / kRaddeg; |
937fe4a4 | 300 | zcoor=zcoor-(zSenStrip/2)/TMath::Cos(ang)+UpDown*Gap*TMath::Tan(ang)-(zSenStrip/2)/TMath::Cos(ang); |
301 | UpDown*= -1; // Alternate strips | |
302 | i++; | |
303 | j+=2; | |
304 | } while (zcoor-(StripWidth/2)*TMath::Cos(ang)>-t+zFLT1+zFLT2+7*2.5); | |
305 | ||
306 | ycoor = -29./2.+ Space; //2 cm over front plate | |
307 | ||
308 | // Plate 2 | |
309 | zpos = -zFLT3/2-7; | |
310 | ang = atan(zpos/sqrt(2*t*t-zpos*zpos)); | |
311 | Offset = StripWidth*TMath::Cos(ang)/2; | |
312 | zpos -= Offset; | |
313 | nrot = 0; | |
314 | i=1; | |
315 | // UpDown has not to be reinitialized, so that the arrangement of the strips can continue coherently | |
316 | ||
317 | do { | |
318 | ang = atan(zpos/sqrt(2*t*t-zpos*zpos)); | |
00e5f8d9 | 319 | ang = ang*kRaddeg; |
320 | AliMatrix (idrotm[nrot], 90., 0., 90.-ang,90.,ang, 270.); | |
937fe4a4 | 321 | ycoor = -29./2.+ Space ; //2 cm over front plate |
322 | ycoor += (1-(UpDown+1)/2)*Gap; | |
323 | zcoor = zpos+(zFLT3/2.+7+zFLT2/2); // Moves to the system of the centre of the modulus FLT2 | |
324 | gMC->Gspos("FSTR",i, "FLT2", 0., ycoor, zcoor,idrotm[nrot], "ONLY"); | |
00e5f8d9 | 325 | ang = ang/kRaddeg; |
937fe4a4 | 326 | zpos = zpos - (zSenStrip/2)/TMath::Cos(ang)+UpDown*Gap*TMath::Tan(ang)-(zSenStrip/2)/TMath::Cos(ang); |
327 | last = StripWidth*TMath::Cos(ang)/2; | |
328 | UpDown*=-1; | |
329 | i++; | |
330 | } while (zpos-(StripWidth/2)*TMath::Cos(ang)>-t+zFLT1+7); | |
331 | ||
332 | // Plate 1 | |
333 | zpos = -t+zFLT1+3.5; | |
334 | ang = atan(zpos/sqrt(2*t*t-zpos*zpos)); | |
335 | Offset = StripWidth*TMath::Cos(ang)/2.; | |
336 | zpos -= Offset; | |
337 | nrot = 0; | |
338 | i=0; | |
339 | ycoor= -29./2.+Space+Gap/2; | |
340 | ||
341 | do { | |
342 | ang = atan(zpos/sqrt(2*t*t-zpos*zpos)); | |
00e5f8d9 | 343 | ang = ang*kRaddeg; |
344 | AliMatrix (idrotm[nrot], 90., 0., 90.-ang,90.,ang, 270.); | |
937fe4a4 | 345 | i++; |
346 | zcoor = zpos+(zFLT1/2+zFLT2+zFLT3/2+7.*2.); | |
347 | gMC->Gspos("FSTR",i, "FLT1", 0., ycoor, zcoor,idrotm[nrot], "ONLY"); | |
00e5f8d9 | 348 | ang = ang/kRaddeg; |
937fe4a4 | 349 | zpos = zpos - zSenStrip/TMath::Cos(ang); |
350 | last = StripWidth*TMath::Cos(ang)/2.; | |
351 | } while (zpos>-t+7.+last); | |
352 | ||
353 | printf("#######################################################\n"); | |
00e5f8d9 | 354 | printf(" Distance from the bound of the FLT3: %f cm \n",t+zpos-(zSenStrip/2)/TMath::Cos(ang)); |
937fe4a4 | 355 | ang = atan(zpos/sqrt(2*t*t-zpos*zpos)); |
356 | zpos = zpos - zSenStrip/TMath::Cos(ang); | |
00e5f8d9 | 357 | printf("NEXT Distance from the bound of the FLT3: %f cm \n",t+zpos-(zSenStrip/2)/TMath::Cos(ang)); |
937fe4a4 | 358 | printf("#######################################################\n"); |
359 | ||
360 | ////////// Layers after detector ///////////////// | |
361 | ||
362 | // Honeycomb layer after (3cm) | |
363 | ||
364 | Float_t OverSpace = Space + 7.3; | |
365 | /// StripWidth*TMath::Sin(ang) + 1.3; | |
366 | ||
3fe3a833 | 367 | par[0] = -1; |
937fe4a4 | 368 | par[1] = 0.6; |
3fe3a833 | 369 | par[2] = -1; |
937fe4a4 | 370 | ycoor = -yFLT/2 + OverSpace + par[1]; |
3fe3a833 | 371 | gMC->Gsvolu("FPE1", "BOX ", idtmed[503], par, 3); // Hony |
372 | gMC->Gspos("FPE1", 0, "FLT1", 0., ycoor, 0., 0, "ONLY"); | |
373 | gMC->Gsvolu("FPE2", "BOX ", idtmed[503], par, 3); // Hony | |
374 | gMC->Gspos("FPE2", 0, "FLT2", 0., ycoor, 0., 0, "ONLY"); | |
375 | gMC->Gsvolu("FPE3", "BOX ", idtmed[503], par, 3); // Hony | |
376 | gMC->Gspos("FPE3", 0, "FLT3", 0., ycoor, 0., 0, "ONLY"); | |
937fe4a4 | 377 | |
378 | // Electronics (Cu) after | |
379 | ycoor += par[1]; | |
3fe3a833 | 380 | par[0] = -1; |
381 | par[1] = 1.43*0.05 / 2.; // 5% of X0 | |
382 | par[2] = -1; | |
937fe4a4 | 383 | ycoor += par[1]; |
3fe3a833 | 384 | gMC->Gsvolu("FEC1", "BOX ", idtmed[501], par, 3); // Cu |
385 | gMC->Gspos("FEC1", 0, "FLT1", 0., ycoor, 0., 0, "ONLY"); | |
386 | gMC->Gsvolu("FEC2", "BOX ", idtmed[501], par, 3); // Cu | |
387 | gMC->Gspos("FEC2", 0, "FLT2", 0., ycoor, 0., 0, "ONLY"); | |
388 | gMC->Gsvolu("FEC3", "BOX ", idtmed[501], par, 3); // Cu | |
389 | gMC->Gspos("FEC3", 0, "FLT3", 0., ycoor, 0., 0, "ONLY"); | |
937fe4a4 | 390 | |
391 | // Cooling water after | |
392 | ycoor += par[1]; | |
3fe3a833 | 393 | par[0] = -1; |
394 | par[1] = 36.1*0.02 / 2.; // 2% of X0 | |
395 | par[2] = -1; | |
937fe4a4 | 396 | ycoor += par[1]; |
3fe3a833 | 397 | gMC->Gsvolu("FWA1", "BOX ", idtmed[515], par, 3); // Water |
398 | gMC->Gspos("FWA1", 0, "FLT1", 0., ycoor, 0., 0, "ONLY"); | |
399 | gMC->Gsvolu("FWA2", "BOX ", idtmed[515], par, 3); // Water | |
400 | gMC->Gspos("FWA2", 0, "FLT2", 0., ycoor, 0., 0, "ONLY"); | |
401 | gMC->Gsvolu("FWA3", "BOX ", idtmed[515], par, 3); // Water | |
402 | gMC->Gspos("FWA3", 0, "FLT3", 0., ycoor, 0., 0, "ONLY"); | |
937fe4a4 | 403 | |
404 | //back plate honycomb (2cm) | |
3fe3a833 | 405 | par[0] = -1; |
406 | par[1] = 2 / 2.; | |
407 | par[2] = -1; | |
937fe4a4 | 408 | ycoor = yFLT/2 - par[1]; |
3fe3a833 | 409 | gMC->Gsvolu("FEG1", "BOX ", idtmed[503], par, 3); // Hony |
410 | gMC->Gspos("FEG1", 0, "FLT1", 0., ycoor, 0., 0, "ONLY"); | |
411 | gMC->Gsvolu("FEG2", "BOX ", idtmed[503], par, 3); // Hony | |
412 | gMC->Gspos("FEG2", 0, "FLT2", 0., ycoor, 0., 0, "ONLY"); | |
413 | gMC->Gsvolu("FEG3", "BOX ", idtmed[503], par, 3); // Hony | |
414 | gMC->Gspos("FEG3", 0, "FLT3", 0., ycoor, 0., 0, "ONLY"); | |
fe4da5cc | 415 | } |
416 | ||
417 | //_____________________________________________________________________________ | |
8f72dc0c | 418 | void AliTOFv3::DrawModule() |
fe4da5cc | 419 | { |
420 | // | |
937fe4a4 | 421 | // Draw a shaded view of the Time Of Flight version 1 |
fe4da5cc | 422 | // |
fe4da5cc | 423 | // Set everything unseen |
cfce8870 | 424 | gMC->Gsatt("*", "seen", -1); |
fe4da5cc | 425 | // |
426 | // Set ALIC mother transparent | |
cfce8870 | 427 | gMC->Gsatt("ALIC","SEEN",0); |
fe4da5cc | 428 | // |
429 | // Set the volumes visible | |
cfce8870 | 430 | gMC->Gsatt("ALIC","SEEN",0); |
3fe3a833 | 431 | gMC->Gsatt("FBAR","SEEN",1); |
432 | gMC->Gsatt("FTO1","SEEN",1); | |
433 | gMC->Gsatt("FTO2","SEEN",1); | |
434 | gMC->Gsatt("FTO3","SEEN",1); | |
435 | gMC->Gsatt("FBT1","SEEN",1); | |
436 | gMC->Gsatt("FBT2","SEEN",1); | |
437 | gMC->Gsatt("FBT3","SEEN",1); | |
438 | gMC->Gsatt("FDT1","SEEN",1); | |
439 | gMC->Gsatt("FDT2","SEEN",1); | |
440 | gMC->Gsatt("FDT3","SEEN",1); | |
441 | gMC->Gsatt("FLT1","SEEN",1); | |
442 | gMC->Gsatt("FLT2","SEEN",1); | |
443 | gMC->Gsatt("FLT3","SEEN",1); | |
937fe4a4 | 444 | gMC->Gsatt("FPL1","SEEN",1); |
445 | gMC->Gsatt("FPL2","SEEN",1); | |
446 | gMC->Gsatt("FPL3","SEEN",1); | |
447 | gMC->Gsatt("FLD1","SEEN",1); | |
448 | gMC->Gsatt("FLD2","SEEN",1); | |
449 | gMC->Gsatt("FLD3","SEEN",1); | |
450 | gMC->Gsatt("FLZ1","SEEN",1); | |
451 | gMC->Gsatt("FLZ2","SEEN",1); | |
452 | gMC->Gsatt("FLZ3","SEEN",1); | |
453 | gMC->Gsatt("FLX1","SEEN",1); | |
454 | gMC->Gsatt("FLX2","SEEN",1); | |
455 | gMC->Gsatt("FLX3","SEEN",1); | |
456 | gMC->Gsatt("FPA0","SEEN",1); | |
fe4da5cc | 457 | // |
cfce8870 | 458 | gMC->Gdopt("hide", "on"); |
459 | gMC->Gdopt("shad", "on"); | |
460 | gMC->Gsatt("*", "fill", 7); | |
461 | gMC->SetClipBox("."); | |
462 | gMC->SetClipBox("*", 0, 1000, -1000, 1000, -1000, 1000); | |
463 | gMC->DefaultRange(); | |
464 | gMC->Gdraw("alic", 40, 30, 0, 12, 9.5, .02, .02); | |
465 | gMC->Gdhead(1111, "Time Of Flight"); | |
466 | gMC->Gdman(18, 4, "MAN"); | |
467 | gMC->Gdopt("hide","off"); | |
fe4da5cc | 468 | } |
469 | ||
470 | //_____________________________________________________________________________ | |
471 | void AliTOFv3::CreateMaterials() | |
472 | { | |
473 | // | |
474 | // Define materials for the Time Of Flight | |
475 | // | |
3fe3a833 | 476 | AliTOF::CreateMaterials(); |
fe4da5cc | 477 | } |
478 | ||
479 | //_____________________________________________________________________________ | |
480 | void AliTOFv3::Init() | |
481 | { | |
482 | // | |
483 | // Initialise the detector after the geometry has been defined | |
484 | // | |
ab76897d | 485 | printf("**************************************" |
486 | " TOF " | |
487 | "**************************************\n"); | |
488 | printf("\n Version 3 of TOF initialing, " | |
489 | "symmetric TOF\n\n"); | |
490 | ||
fe4da5cc | 491 | AliTOF::Init(); |
ab76897d | 492 | |
493 | // | |
494 | // Check that FRAME is there otherwise we have no place where to | |
495 | // put TOF | |
496 | AliModule* FRAME=gAlice->GetModule("FRAME"); | |
497 | if(!FRAME) { | |
498 | Error("Ctor","TOF needs FRAME to be present\n"); | |
499 | exit(1); | |
500 | } else | |
501 | if(FRAME->IsVersion()!=1) { | |
502 | Error("Ctor","FRAME version 1 needed with this version of TOF\n"); | |
503 | exit(1); | |
504 | } | |
505 | ||
cfce8870 | 506 | fIdFTO2=gMC->VolId("FTO2"); |
507 | fIdFTO3=gMC->VolId("FTO3"); | |
508 | fIdFLT1=gMC->VolId("FLT1"); | |
509 | fIdFLT2=gMC->VolId("FLT2"); | |
510 | fIdFLT3=gMC->VolId("FLT3"); | |
ab76897d | 511 | |
512 | printf("**************************************" | |
513 | " TOF " | |
514 | "**************************************\n"); | |
fe4da5cc | 515 | } |
516 | ||
517 | //_____________________________________________________________________________ | |
518 | void AliTOFv3::StepManager() | |
519 | { | |
520 | // | |
521 | // Procedure called at each step in the Time Of Flight | |
522 | // | |
0a6d8768 | 523 | TLorentzVector mom, pos; |
fe4da5cc | 524 | Float_t hits[8]; |
525 | Int_t vol[3]; | |
0a6d8768 | 526 | Int_t copy, id, i; |
ad51aeb0 | 527 | Int_t *idtmed = fIdtmed->GetArray()-499; |
3fe3a833 | 528 | if(gMC->GetMedium()==idtmed[514-1] && |
0a6d8768 | 529 | gMC->IsTrackEntering() && gMC->TrackCharge() |
530 | && gMC->CurrentVolID(copy)==fIdSens) { | |
fe4da5cc | 531 | TClonesArray &lhits = *fHits; |
532 | // | |
533 | // Record only charged tracks at entrance | |
0a6d8768 | 534 | gMC->CurrentVolOffID(1,copy); |
fe4da5cc | 535 | vol[2]=copy; |
0a6d8768 | 536 | gMC->CurrentVolOffID(3,copy); |
fe4da5cc | 537 | vol[1]=copy; |
3fe3a833 | 538 | id=gMC->CurrentVolOffID(8,copy); |
fe4da5cc | 539 | vol[0]=copy; |
540 | if(id==fIdFTO3) { | |
541 | vol[0]+=22; | |
3fe3a833 | 542 | id=gMC->CurrentVolOffID(5,copy); |
fe4da5cc | 543 | if(id==fIdFLT3) vol[1]+=6; |
544 | } else if (id==fIdFTO2) { | |
545 | vol[0]+=20; | |
3fe3a833 | 546 | id=gMC->CurrentVolOffID(5,copy); |
fe4da5cc | 547 | if(id==fIdFLT2) vol[1]+=8; |
548 | } else { | |
3fe3a833 | 549 | id=gMC->CurrentVolOffID(5,copy); |
fe4da5cc | 550 | if(id==fIdFLT1) vol[1]+=14; |
551 | } | |
0a6d8768 | 552 | gMC->TrackPosition(pos); |
553 | gMC->TrackMomentum(mom); | |
3fe3a833 | 554 | // |
0a6d8768 | 555 | Double_t ptot=mom.Rho(); |
556 | Double_t norm=1/ptot; | |
557 | for(i=0;i<3;++i) { | |
558 | hits[i]=pos[i]; | |
559 | hits[i+3]=mom[i]*norm; | |
560 | } | |
561 | hits[6]=ptot; | |
562 | hits[7]=pos[3]; | |
fe4da5cc | 563 | new(lhits[fNhits++]) AliTOFhit(fIshunt,gAlice->CurrentTrack(),vol,hits); |
564 | } | |
565 | } | |
937fe4a4 | 566 |