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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 | $Log$ | |
da39da0c | 18 | Revision 1.14 1999/11/05 22:39:06 fca |
19 | New hits structure | |
20 | ||
826b71ec | 21 | Revision 1.13 1999/11/02 11:26:39 fca |
22 | added stdlib.h for exit | |
23 | ||
0c50193f | 24 | Revision 1.12 1999/11/01 20:41:57 fca |
25 | Added protections against using the wrong version of FRAME | |
26 | ||
ab76897d | 27 | Revision 1.11 1999/10/22 08:04:14 fca |
28 | Correct improper use of negative parameters | |
29 | ||
d0a635a0 | 30 | Revision 1.10 1999/10/16 19:30:06 fca |
31 | Corrected Rotation Matrix and CVS log | |
32 | ||
00e5f8d9 | 33 | Revision 1.9 1999/10/15 15:35:20 fca |
34 | New version for frame1099 with and without holes | |
35 | ||
36 | Revision 1.8 1999/09/29 09:24:33 fca | |
937fe4a4 | 37 | Introduction of the Copyright and cvs Log |
38 | ||
4c039060 | 39 | */ |
40 | ||
fe4da5cc | 41 | /////////////////////////////////////////////////////////////////////////////// |
42 | // // | |
937fe4a4 | 43 | // Time Of Flight: design of C.Williams FCA // |
44 | // This class contains the functions for version 1 of the Time Of Flight // | |
fe4da5cc | 45 | // detector. // |
937fe4a4 | 46 | // |
47 | // VERSION WITH 5 MODULES AND TILTED STRIPS | |
48 | // | |
49 | // FULL COVERAGE VERSION | |
50 | // | |
51 | // Authors: | |
52 | // | |
53 | // Alessio Seganti | |
54 | // Domenico Vicinanza | |
55 | // | |
56 | // University of Salerno - Italy | |
57 | // | |
58 | // | |
fe4da5cc | 59 | //Begin_Html |
60 | /* | |
1439f98e | 61 | <img src="picts/AliTOFv3Class.gif"> |
fe4da5cc | 62 | */ |
63 | //End_Html | |
64 | // // | |
65 | /////////////////////////////////////////////////////////////////////////////// | |
66 | ||
826b71ec | 67 | #include <iostream.h> |
0c50193f | 68 | #include <stdlib.h> |
69 | ||
fe4da5cc | 70 | #include "AliTOFv3.h" |
fe4da5cc | 71 | #include "AliRun.h" |
3fe3a833 | 72 | #include "AliConst.h" |
fe4da5cc | 73 | |
74 | ClassImp(AliTOFv3) | |
75 | ||
76 | //_____________________________________________________________________________ | |
ad51aeb0 | 77 | AliTOFv3::AliTOFv3() |
fe4da5cc | 78 | { |
79 | // | |
80 | // Default constructor | |
81 | // | |
82 | } | |
83 | ||
84 | //_____________________________________________________________________________ | |
85 | AliTOFv3::AliTOFv3(const char *name, const char *title) | |
86 | : AliTOF(name,title) | |
87 | { | |
88 | // | |
89 | // Standard constructor | |
90 | // | |
da39da0c | 91 | // |
92 | // Check that FRAME is there otherwise we have no place where to | |
93 | // put TOF | |
94 | AliModule* FRAME=gAlice->GetModule("FRAME"); | |
95 | if(!FRAME) { | |
96 | Error("Ctor","TOF needs FRAME to be present\n"); | |
97 | exit(1); | |
98 | } else | |
99 | if(FRAME->IsVersion()!=1) { | |
100 | Error("Ctor","FRAME version 1 needed with this version of TOF\n"); | |
101 | exit(1); | |
102 | } | |
103 | ||
fe4da5cc | 104 | } |
105 | ||
106 | //_____________________________________________________________________________ | |
107 | void AliTOFv3::CreateGeometry() | |
108 | { | |
109 | // | |
3fe3a833 | 110 | // Create geometry for Time Of Flight version 0 |
fe4da5cc | 111 | // |
112 | //Begin_Html | |
113 | /* | |
1439f98e | 114 | <img src="picts/AliTOFv3.gif"> |
fe4da5cc | 115 | */ |
116 | //End_Html | |
117 | // | |
937fe4a4 | 118 | // Creates common geometry |
fe4da5cc | 119 | // |
120 | AliTOF::CreateGeometry(); | |
121 | } | |
122 | ||
123 | //_____________________________________________________________________________ | |
937fe4a4 | 124 | void AliTOFv3::TOFpc(Float_t xtof, Float_t ytof, Float_t zlen1, |
125 | Float_t zlen2, Float_t zlen3, Float_t ztof0) | |
fe4da5cc | 126 | { |
127 | // | |
3fe3a833 | 128 | // Definition of the Time Of Fligh Resistive Plate Chambers |
937fe4a4 | 129 | // xFLT, yFLT, zFLT - sizes of TOF modules (large) |
3fe3a833 | 130 | |
937fe4a4 | 131 | Float_t ycoor, zcoor; |
fe4da5cc | 132 | Float_t par[10]; |
fe4da5cc | 133 | |
ad51aeb0 | 134 | Int_t *idtmed = fIdtmed->GetArray()-499; |
937fe4a4 | 135 | |
136 | Int_t idrotm[100]; | |
137 | Int_t nrot = 0; | |
fe4da5cc | 138 | |
937fe4a4 | 139 | |
140 | ||
141 | par[0] = xtof / 2.; | |
142 | par[1] = ytof / 2.; | |
143 | par[2] = zlen1 / 2.; | |
144 | gMC->Gsvolu("FTO1", "BOX ", idtmed[506], par, 3); | |
145 | par[2] = zlen2 / 2.; | |
146 | gMC->Gsvolu("FTO2", "BOX ", idtmed[506], par, 3); | |
147 | par[2] = zlen3 / 2.; | |
148 | gMC->Gsvolu("FTO3", "BOX ", idtmed[506], par, 3); | |
149 | ||
150 | ||
151 | // Positioning of modules | |
152 | ||
153 | Float_t zcor1 = ztof0 - zlen1/2; | |
154 | Float_t zcor2 = ztof0 - zlen1 - zlen2/2.; | |
155 | Float_t zcor3 = 0.; | |
156 | ||
157 | AliMatrix(idrotm[0], 90., 0., 0., 0., 90, -90.); | |
158 | AliMatrix(idrotm[1], 90., 180., 0., 0., 90, 90.); | |
159 | gMC->Gspos("FTO1", 1, "BTO1", 0, zcor1, 0, idrotm[0], "ONLY"); | |
160 | gMC->Gspos("FTO1", 2, "BTO1", 0, -zcor1, 0, idrotm[1], "ONLY"); | |
161 | gMC->Gspos("FTO1", 1, "BTO2", 0, zcor1, 0, idrotm[0], "ONLY"); | |
162 | gMC->Gspos("FTO1", 2, "BTO2", 0, -zcor1, 0, idrotm[1], "ONLY"); | |
163 | gMC->Gspos("FTO1", 1, "BTO3", 0, zcor1, 0, idrotm[0], "ONLY"); | |
164 | gMC->Gspos("FTO1", 2, "BTO3", 0, -zcor1, 0, idrotm[1], "ONLY"); | |
165 | ||
166 | gMC->Gspos("FTO2", 1, "BTO1", 0, zcor2, 0, idrotm[0], "ONLY"); | |
167 | gMC->Gspos("FTO2", 2, "BTO1", 0, -zcor2, 0, idrotm[1], "ONLY"); | |
168 | gMC->Gspos("FTO2", 1, "BTO2", 0, zcor2, 0, idrotm[0], "ONLY"); | |
169 | gMC->Gspos("FTO2", 2, "BTO2", 0, -zcor2, 0, idrotm[1], "ONLY"); | |
170 | gMC->Gspos("FTO2", 1, "BTO3", 0, zcor2, 0, idrotm[0], "ONLY"); | |
171 | gMC->Gspos("FTO2", 2, "BTO3", 0, -zcor2, 0, idrotm[1], "ONLY"); | |
172 | ||
173 | gMC->Gspos("FTO3", 0, "BTO1", 0, zcor3, 0, idrotm[0], "ONLY"); | |
174 | gMC->Gspos("FTO3", 0, "BTO2", 0, zcor3, 0, idrotm[0], "ONLY"); | |
175 | gMC->Gspos("FTO3", 0, "BTO3", 0, zcor3, 0, idrotm[0], "ONLY"); | |
176 | ||
177 | // Subtraction the distance to TOF module boundaries | |
178 | ||
179 | Float_t db = 7.; | |
180 | Float_t xFLT, yFLT, zFLT1, zFLT2, zFLT3; | |
181 | ||
182 | xFLT = xtof -(.5 +.5)*2; | |
183 | yFLT = ytof; | |
184 | zFLT1 = zlen1 - db; | |
185 | zFLT2 = zlen2 - db; | |
186 | zFLT3 = zlen3 - db; | |
187 | ||
188 | // Sizes of MRPC pads | |
189 | ||
190 | Float_t yPad = 0.505; | |
191 | ||
192 | // Large not sensitive volumes with CO2 | |
193 | par[0] = xFLT/2; | |
194 | par[1] = yFLT/2; | |
195 | ||
3fe3a833 | 196 | cout <<"************************* TOF geometry **************************"<<endl; |
937fe4a4 | 197 | |
198 | par[2] = (zFLT1 / 2.); | |
3fe3a833 | 199 | gMC->Gsvolu("FLT1", "BOX ", idtmed[506], par, 3); // CO2 |
937fe4a4 | 200 | gMC->Gspos("FLT1", 0, "FTO1", 0., 0., 0., 0, "ONLY"); |
201 | ||
202 | par[2] = (zFLT2 / 2.); | |
3fe3a833 | 203 | gMC->Gsvolu("FLT2", "BOX ", idtmed[506], par, 3); // CO2 |
937fe4a4 | 204 | gMC->Gspos("FLT2", 0, "FTO2", 0., 0., 0., 0, "ONLY"); |
205 | ||
206 | par[2] = (zFLT3 / 2.); | |
3fe3a833 | 207 | gMC->Gsvolu("FLT3", "BOX ", idtmed[506], par, 3); // CO2 |
937fe4a4 | 208 | gMC->Gspos("FLT3", 0, "FTO3", 0., 0., 0., 0, "ONLY"); |
209 | ||
3fe3a833 | 210 | ////////// Layers before detector //////////////////// |
937fe4a4 | 211 | |
212 | // Alluminium layer in front 1.0 mm thick at the beginning | |
3fe3a833 | 213 | par[0] = -1; |
937fe4a4 | 214 | par[1] = 0.1; |
3fe3a833 | 215 | par[2] = -1; |
937fe4a4 | 216 | ycoor = -yFLT/2 + par[1]; |
217 | gMC->Gsvolu("FMY1", "BOX ", idtmed[508], par, 3); // Alluminium | |
3fe3a833 | 218 | gMC->Gspos("FMY1", 0, "FLT1", 0., ycoor, 0., 0, "ONLY"); |
937fe4a4 | 219 | gMC->Gsvolu("FMY2", "BOX ", idtmed[508], par, 3); // Alluminium |
3fe3a833 | 220 | gMC->Gspos("FMY2", 0, "FLT2", 0., ycoor, 0., 0, "ONLY"); |
937fe4a4 | 221 | gMC->Gsvolu("FMY3", "BOX ", idtmed[508], par, 3); // Alluminium |
3fe3a833 | 222 | gMC->Gspos("FMY3", 0, "FLT3", 0., ycoor, 0., 0, "ONLY"); |
937fe4a4 | 223 | |
224 | // Honeycomb layer (1cm of special polyethilene) | |
3fe3a833 | 225 | ycoor = ycoor + par[1]; |
226 | par[0] = -1; | |
937fe4a4 | 227 | par[1] = 0.5; |
3fe3a833 | 228 | par[2] = -1; |
229 | ycoor = ycoor + par[1]; | |
230 | gMC->Gsvolu("FPL1", "BOX ", idtmed[503], par, 3); // Hony | |
231 | gMC->Gspos("FPL1", 0, "FLT1", 0., ycoor, 0., 0, "ONLY"); | |
232 | gMC->Gsvolu("FPL2", "BOX ", idtmed[503], par, 3); // Hony | |
233 | gMC->Gspos("FPL2", 0, "FLT2", 0., ycoor, 0., 0, "ONLY"); | |
234 | gMC->Gsvolu("FPL3", "BOX ", idtmed[503], par, 3); // Hony | |
235 | gMC->Gspos("FPL3", 0, "FLT3", 0., ycoor, 0., 0, "ONLY"); | |
937fe4a4 | 236 | |
3fe3a833 | 237 | ///////////////// Detector itself ////////////////////// |
937fe4a4 | 238 | |
239 | const Float_t StripWidth = 7.81;//cm | |
240 | const Float_t DeadBound = 1.;//cm non-sensitive between the pad edge and the boundary of the strip | |
241 | const Int_t nx = 40; // number of pads along x | |
242 | const Int_t nz = 2; // number of pads along z | |
243 | const Float_t Gap=4.; //cm distance between the strip axis | |
244 | const Float_t Space = 5.5; //cm distance from the front plate of the box | |
245 | ||
246 | Float_t zSenStrip; | |
247 | zSenStrip = StripWidth-2*DeadBound;//cm | |
248 | ||
d0a635a0 | 249 | par[0] = xFLT/2; |
937fe4a4 | 250 | par[1] = yPad/2; |
251 | par[2] = StripWidth/2.; | |
252 | ||
253 | // Glass Layer of detector | |
254 | gMC->Gsvolu("FSTR","BOX",idtmed[514],par,3); | |
255 | ||
256 | // Freon for non-sesitive boundaries | |
d0a635a0 | 257 | par[0] = xFLT/2; |
937fe4a4 | 258 | par[1] = 0.110/2; |
3fe3a833 | 259 | par[2] = -1; |
937fe4a4 | 260 | gMC->Gsvolu("FNSF","BOX",idtmed[512],par,3); |
261 | gMC->Gspos("FNSF",0,"FSTR",0.,0.,0.,0,"ONLY"); | |
262 | // Mylar for non-sesitive boundaries | |
263 | par[1] = 0.025; | |
264 | gMC->Gsvolu("FMYI","BOX",idtmed[510],par,3); | |
265 | gMC->Gspos("FMYI",0,"FNSF",0.,0.,0.,0,"ONLY"); | |
266 | ||
267 | // Mylar for outer layers | |
268 | par[1] = 0.035/2; | |
269 | ycoor = -yPad/2.+par[1]; | |
270 | gMC->Gsvolu("FMYX","BOX",idtmed[510],par,3); | |
271 | gMC->Gspos("FMYX",1,"FSTR",0.,ycoor,0.,0,"ONLY"); | |
272 | gMC->Gspos("FMYX",2,"FSTR",0.,-ycoor,0.,0,"ONLY"); | |
273 | ycoor += par[1]; | |
274 | ||
275 | // Graphyte layers | |
276 | par[1] = 0.003/2; | |
277 | ycoor += par[1]; | |
278 | gMC->Gsvolu("FGRL","BOX",idtmed[502],par,3); | |
279 | gMC->Gspos("FGRL",1,"FSTR",0.,ycoor,0.,0,"ONLY"); | |
280 | gMC->Gspos("FGRL",2,"FSTR",0.,-ycoor,0.,0,"ONLY"); | |
281 | ||
282 | // Freon sensitive layer | |
3fe3a833 | 283 | par[0] = -1; |
937fe4a4 | 284 | par[1] = 0.110/2.; |
285 | par[2] = zSenStrip/2.; | |
286 | gMC->Gsvolu("FCFC","BOX",idtmed[513],par,3); | |
287 | gMC->Gspos("FCFC",0,"FNSF",0.,0.,0.,0,"ONLY"); | |
288 | ||
289 | // Pad definition x & z | |
290 | gMC->Gsdvn("FLZ","FCFC", nz, 3); | |
291 | gMC->Gsdvn("FLX","FLZ" , nx, 1); | |
292 | ||
293 | // MRPC pixel itself | |
294 | par[0] = -1; | |
295 | par[1] = -1; | |
3fe3a833 | 296 | par[2] = -1; |
937fe4a4 | 297 | gMC->Gsvolu("FPAD", "BOX ", idtmed[513], par, 3); |
298 | gMC->Gspos("FPAD", 0, "FLX", 0., 0., 0., 0, "ONLY"); | |
299 | ||
300 | ||
301 | //// Positioning the Strips (FSTR) in the FLT volumes ///// | |
302 | ||
303 | ||
304 | // 3 (Central) Plate | |
305 | Float_t t = zFLT1+zFLT2+zFLT3/2.+7.*2.5;//Half Width of Barrel | |
306 | Float_t zpos = 0; | |
307 | Float_t ang; | |
308 | Float_t Offset; | |
309 | Float_t last; | |
310 | nrot = 0; | |
311 | Int_t i=1,j=1; | |
312 | zcoor=0; | |
313 | Int_t UpDown=-1; // UpDown=-1 -> Upper strip, UpDown=+1 -> Lower strip | |
314 | ||
315 | do{ | |
316 | ang = atan(zcoor/t); | |
00e5f8d9 | 317 | ang = ang * kRaddeg; |
318 | AliMatrix (idrotm[nrot] ,90., 0.,90.-ang,90.,-ang,90.); | |
319 | AliMatrix (idrotm[nrot+1],90.,180.,90.+ang,90., ang,90.); | |
937fe4a4 | 320 | ycoor = -29./2.+ Space; //2 cm over front plate |
321 | ycoor += (1-(UpDown+1)/2)*Gap; | |
322 | gMC->Gspos("FSTR",j,"FLT3",0.,ycoor,zcoor,idrotm[nrot],"ONLY"); | |
323 | gMC->Gspos("FSTR",j+1,"FLT3",0.,ycoor,-zcoor,idrotm[nrot+1],"ONLY"); | |
00e5f8d9 | 324 | ang = ang / kRaddeg; |
937fe4a4 | 325 | zcoor=zcoor-(zSenStrip/2)/TMath::Cos(ang)+UpDown*Gap*TMath::Tan(ang)-(zSenStrip/2)/TMath::Cos(ang); |
326 | UpDown*= -1; // Alternate strips | |
327 | i++; | |
328 | j+=2; | |
329 | } while (zcoor-(StripWidth/2)*TMath::Cos(ang)>-t+zFLT1+zFLT2+7*2.5); | |
330 | ||
331 | ycoor = -29./2.+ Space; //2 cm over front plate | |
332 | ||
333 | // Plate 2 | |
334 | zpos = -zFLT3/2-7; | |
335 | ang = atan(zpos/sqrt(2*t*t-zpos*zpos)); | |
336 | Offset = StripWidth*TMath::Cos(ang)/2; | |
337 | zpos -= Offset; | |
338 | nrot = 0; | |
339 | i=1; | |
340 | // UpDown has not to be reinitialized, so that the arrangement of the strips can continue coherently | |
341 | ||
342 | do { | |
343 | ang = atan(zpos/sqrt(2*t*t-zpos*zpos)); | |
00e5f8d9 | 344 | ang = ang*kRaddeg; |
345 | AliMatrix (idrotm[nrot], 90., 0., 90.-ang,90.,ang, 270.); | |
937fe4a4 | 346 | ycoor = -29./2.+ Space ; //2 cm over front plate |
347 | ycoor += (1-(UpDown+1)/2)*Gap; | |
348 | zcoor = zpos+(zFLT3/2.+7+zFLT2/2); // Moves to the system of the centre of the modulus FLT2 | |
349 | gMC->Gspos("FSTR",i, "FLT2", 0., ycoor, zcoor,idrotm[nrot], "ONLY"); | |
00e5f8d9 | 350 | ang = ang/kRaddeg; |
937fe4a4 | 351 | zpos = zpos - (zSenStrip/2)/TMath::Cos(ang)+UpDown*Gap*TMath::Tan(ang)-(zSenStrip/2)/TMath::Cos(ang); |
352 | last = StripWidth*TMath::Cos(ang)/2; | |
353 | UpDown*=-1; | |
354 | i++; | |
355 | } while (zpos-(StripWidth/2)*TMath::Cos(ang)>-t+zFLT1+7); | |
356 | ||
357 | // Plate 1 | |
358 | zpos = -t+zFLT1+3.5; | |
359 | ang = atan(zpos/sqrt(2*t*t-zpos*zpos)); | |
360 | Offset = StripWidth*TMath::Cos(ang)/2.; | |
361 | zpos -= Offset; | |
362 | nrot = 0; | |
363 | i=0; | |
364 | ycoor= -29./2.+Space+Gap/2; | |
365 | ||
366 | do { | |
367 | ang = atan(zpos/sqrt(2*t*t-zpos*zpos)); | |
00e5f8d9 | 368 | ang = ang*kRaddeg; |
369 | AliMatrix (idrotm[nrot], 90., 0., 90.-ang,90.,ang, 270.); | |
937fe4a4 | 370 | i++; |
371 | zcoor = zpos+(zFLT1/2+zFLT2+zFLT3/2+7.*2.); | |
372 | gMC->Gspos("FSTR",i, "FLT1", 0., ycoor, zcoor,idrotm[nrot], "ONLY"); | |
00e5f8d9 | 373 | ang = ang/kRaddeg; |
937fe4a4 | 374 | zpos = zpos - zSenStrip/TMath::Cos(ang); |
375 | last = StripWidth*TMath::Cos(ang)/2.; | |
376 | } while (zpos>-t+7.+last); | |
377 | ||
378 | printf("#######################################################\n"); | |
00e5f8d9 | 379 | printf(" Distance from the bound of the FLT3: %f cm \n",t+zpos-(zSenStrip/2)/TMath::Cos(ang)); |
937fe4a4 | 380 | ang = atan(zpos/sqrt(2*t*t-zpos*zpos)); |
381 | zpos = zpos - zSenStrip/TMath::Cos(ang); | |
00e5f8d9 | 382 | printf("NEXT Distance from the bound of the FLT3: %f cm \n",t+zpos-(zSenStrip/2)/TMath::Cos(ang)); |
937fe4a4 | 383 | printf("#######################################################\n"); |
384 | ||
385 | ////////// Layers after detector ///////////////// | |
386 | ||
387 | // Honeycomb layer after (3cm) | |
388 | ||
389 | Float_t OverSpace = Space + 7.3; | |
390 | /// StripWidth*TMath::Sin(ang) + 1.3; | |
391 | ||
3fe3a833 | 392 | par[0] = -1; |
937fe4a4 | 393 | par[1] = 0.6; |
3fe3a833 | 394 | par[2] = -1; |
937fe4a4 | 395 | ycoor = -yFLT/2 + OverSpace + par[1]; |
3fe3a833 | 396 | gMC->Gsvolu("FPE1", "BOX ", idtmed[503], par, 3); // Hony |
397 | gMC->Gspos("FPE1", 0, "FLT1", 0., ycoor, 0., 0, "ONLY"); | |
398 | gMC->Gsvolu("FPE2", "BOX ", idtmed[503], par, 3); // Hony | |
399 | gMC->Gspos("FPE2", 0, "FLT2", 0., ycoor, 0., 0, "ONLY"); | |
400 | gMC->Gsvolu("FPE3", "BOX ", idtmed[503], par, 3); // Hony | |
401 | gMC->Gspos("FPE3", 0, "FLT3", 0., ycoor, 0., 0, "ONLY"); | |
937fe4a4 | 402 | |
403 | // Electronics (Cu) after | |
404 | ycoor += par[1]; | |
3fe3a833 | 405 | par[0] = -1; |
406 | par[1] = 1.43*0.05 / 2.; // 5% of X0 | |
407 | par[2] = -1; | |
937fe4a4 | 408 | ycoor += par[1]; |
3fe3a833 | 409 | gMC->Gsvolu("FEC1", "BOX ", idtmed[501], par, 3); // Cu |
410 | gMC->Gspos("FEC1", 0, "FLT1", 0., ycoor, 0., 0, "ONLY"); | |
411 | gMC->Gsvolu("FEC2", "BOX ", idtmed[501], par, 3); // Cu | |
412 | gMC->Gspos("FEC2", 0, "FLT2", 0., ycoor, 0., 0, "ONLY"); | |
413 | gMC->Gsvolu("FEC3", "BOX ", idtmed[501], par, 3); // Cu | |
414 | gMC->Gspos("FEC3", 0, "FLT3", 0., ycoor, 0., 0, "ONLY"); | |
937fe4a4 | 415 | |
416 | // Cooling water after | |
417 | ycoor += par[1]; | |
3fe3a833 | 418 | par[0] = -1; |
419 | par[1] = 36.1*0.02 / 2.; // 2% of X0 | |
420 | par[2] = -1; | |
937fe4a4 | 421 | ycoor += par[1]; |
3fe3a833 | 422 | gMC->Gsvolu("FWA1", "BOX ", idtmed[515], par, 3); // Water |
423 | gMC->Gspos("FWA1", 0, "FLT1", 0., ycoor, 0., 0, "ONLY"); | |
424 | gMC->Gsvolu("FWA2", "BOX ", idtmed[515], par, 3); // Water | |
425 | gMC->Gspos("FWA2", 0, "FLT2", 0., ycoor, 0., 0, "ONLY"); | |
426 | gMC->Gsvolu("FWA3", "BOX ", idtmed[515], par, 3); // Water | |
427 | gMC->Gspos("FWA3", 0, "FLT3", 0., ycoor, 0., 0, "ONLY"); | |
937fe4a4 | 428 | |
429 | //back plate honycomb (2cm) | |
3fe3a833 | 430 | par[0] = -1; |
431 | par[1] = 2 / 2.; | |
432 | par[2] = -1; | |
937fe4a4 | 433 | ycoor = yFLT/2 - par[1]; |
3fe3a833 | 434 | gMC->Gsvolu("FEG1", "BOX ", idtmed[503], par, 3); // Hony |
435 | gMC->Gspos("FEG1", 0, "FLT1", 0., ycoor, 0., 0, "ONLY"); | |
436 | gMC->Gsvolu("FEG2", "BOX ", idtmed[503], par, 3); // Hony | |
437 | gMC->Gspos("FEG2", 0, "FLT2", 0., ycoor, 0., 0, "ONLY"); | |
438 | gMC->Gsvolu("FEG3", "BOX ", idtmed[503], par, 3); // Hony | |
439 | gMC->Gspos("FEG3", 0, "FLT3", 0., ycoor, 0., 0, "ONLY"); | |
fe4da5cc | 440 | } |
441 | ||
442 | //_____________________________________________________________________________ | |
8f72dc0c | 443 | void AliTOFv3::DrawModule() |
fe4da5cc | 444 | { |
445 | // | |
937fe4a4 | 446 | // Draw a shaded view of the Time Of Flight version 1 |
fe4da5cc | 447 | // |
fe4da5cc | 448 | // Set everything unseen |
cfce8870 | 449 | gMC->Gsatt("*", "seen", -1); |
fe4da5cc | 450 | // |
451 | // Set ALIC mother transparent | |
cfce8870 | 452 | gMC->Gsatt("ALIC","SEEN",0); |
fe4da5cc | 453 | // |
454 | // Set the volumes visible | |
cfce8870 | 455 | gMC->Gsatt("ALIC","SEEN",0); |
3fe3a833 | 456 | gMC->Gsatt("FBAR","SEEN",1); |
457 | gMC->Gsatt("FTO1","SEEN",1); | |
458 | gMC->Gsatt("FTO2","SEEN",1); | |
459 | gMC->Gsatt("FTO3","SEEN",1); | |
460 | gMC->Gsatt("FBT1","SEEN",1); | |
461 | gMC->Gsatt("FBT2","SEEN",1); | |
462 | gMC->Gsatt("FBT3","SEEN",1); | |
463 | gMC->Gsatt("FDT1","SEEN",1); | |
464 | gMC->Gsatt("FDT2","SEEN",1); | |
465 | gMC->Gsatt("FDT3","SEEN",1); | |
466 | gMC->Gsatt("FLT1","SEEN",1); | |
467 | gMC->Gsatt("FLT2","SEEN",1); | |
468 | gMC->Gsatt("FLT3","SEEN",1); | |
937fe4a4 | 469 | gMC->Gsatt("FPL1","SEEN",1); |
470 | gMC->Gsatt("FPL2","SEEN",1); | |
471 | gMC->Gsatt("FPL3","SEEN",1); | |
472 | gMC->Gsatt("FLD1","SEEN",1); | |
473 | gMC->Gsatt("FLD2","SEEN",1); | |
474 | gMC->Gsatt("FLD3","SEEN",1); | |
475 | gMC->Gsatt("FLZ1","SEEN",1); | |
476 | gMC->Gsatt("FLZ2","SEEN",1); | |
477 | gMC->Gsatt("FLZ3","SEEN",1); | |
478 | gMC->Gsatt("FLX1","SEEN",1); | |
479 | gMC->Gsatt("FLX2","SEEN",1); | |
480 | gMC->Gsatt("FLX3","SEEN",1); | |
481 | gMC->Gsatt("FPA0","SEEN",1); | |
fe4da5cc | 482 | // |
cfce8870 | 483 | gMC->Gdopt("hide", "on"); |
484 | gMC->Gdopt("shad", "on"); | |
485 | gMC->Gsatt("*", "fill", 7); | |
486 | gMC->SetClipBox("."); | |
487 | gMC->SetClipBox("*", 0, 1000, -1000, 1000, -1000, 1000); | |
488 | gMC->DefaultRange(); | |
489 | gMC->Gdraw("alic", 40, 30, 0, 12, 9.5, .02, .02); | |
490 | gMC->Gdhead(1111, "Time Of Flight"); | |
491 | gMC->Gdman(18, 4, "MAN"); | |
492 | gMC->Gdopt("hide","off"); | |
fe4da5cc | 493 | } |
494 | ||
495 | //_____________________________________________________________________________ | |
496 | void AliTOFv3::CreateMaterials() | |
497 | { | |
498 | // | |
499 | // Define materials for the Time Of Flight | |
500 | // | |
3fe3a833 | 501 | AliTOF::CreateMaterials(); |
fe4da5cc | 502 | } |
503 | ||
504 | //_____________________________________________________________________________ | |
505 | void AliTOFv3::Init() | |
506 | { | |
507 | // | |
508 | // Initialise the detector after the geometry has been defined | |
509 | // | |
ab76897d | 510 | printf("**************************************" |
511 | " TOF " | |
512 | "**************************************\n"); | |
513 | printf("\n Version 3 of TOF initialing, " | |
514 | "symmetric TOF\n\n"); | |
515 | ||
fe4da5cc | 516 | AliTOF::Init(); |
ab76897d | 517 | |
cfce8870 | 518 | fIdFTO2=gMC->VolId("FTO2"); |
519 | fIdFTO3=gMC->VolId("FTO3"); | |
520 | fIdFLT1=gMC->VolId("FLT1"); | |
521 | fIdFLT2=gMC->VolId("FLT2"); | |
522 | fIdFLT3=gMC->VolId("FLT3"); | |
ab76897d | 523 | |
524 | printf("**************************************" | |
525 | " TOF " | |
526 | "**************************************\n"); | |
fe4da5cc | 527 | } |
528 | ||
529 | //_____________________________________________________________________________ | |
530 | void AliTOFv3::StepManager() | |
531 | { | |
532 | // | |
533 | // Procedure called at each step in the Time Of Flight | |
534 | // | |
0a6d8768 | 535 | TLorentzVector mom, pos; |
826b71ec | 536 | Float_t hits[8],rho,phi,phid,z; |
537 | Int_t sector, plate, pad_x, pad_z, strip; | |
538 | Int_t copy, pad_z_id, pad_x_id, strip_id, i; | |
ad51aeb0 | 539 | Int_t *idtmed = fIdtmed->GetArray()-499; |
826b71ec | 540 | |
541 | ||
542 | if(gMC->GetMedium()==idtmed[513] && | |
0a6d8768 | 543 | gMC->IsTrackEntering() && gMC->TrackCharge() |
826b71ec | 544 | && gMC->CurrentVolID(copy)==fIdSens) |
545 | { | |
fe4da5cc | 546 | TClonesArray &lhits = *fHits; |
826b71ec | 547 | |
548 | //_________getting information about hit volumes_____________ | |
549 | ||
550 | pad_z_id=gMC->CurrentVolOffID(2,copy); | |
551 | pad_z=copy; | |
552 | ||
553 | pad_x_id=gMC->CurrentVolOffID(1,copy); | |
554 | pad_x=copy; | |
555 | ||
556 | strip_id=gMC->CurrentVolOffID(5,copy); | |
557 | strip=copy; | |
558 | ||
559 | pad_z = (strip-1)*2+pad_z; | |
560 | ||
0a6d8768 | 561 | gMC->TrackPosition(pos); |
562 | gMC->TrackMomentum(mom); | |
826b71ec | 563 | |
564 | rho = sqrt(pos[0]*pos[0]+pos[1]*pos[1]); | |
565 | phi = TMath::ACos(pos[0]/rho); | |
566 | Float_t as = TMath::ASin(pos[1]/rho); | |
567 | if (as<0) phi = 2*3.141592654-phi; | |
568 | ||
569 | z = pos[2]; | |
570 | ||
571 | if (z<=62. && z>=-62) plate = 3; | |
572 | if (z<=216. && z>62.) plate = 4; | |
573 | if (z>=-216. && z<-62.) plate = 2; | |
574 | if (z>216.) plate = 5; | |
575 | if (z<-216.) plate = 1; | |
576 | ||
577 | phid = phi*kRaddeg; | |
578 | sector = Int_t (phid/20.); | |
579 | sector++; | |
580 | ||
0a6d8768 | 581 | Double_t ptot=mom.Rho(); |
582 | Double_t norm=1/ptot; | |
583 | for(i=0;i<3;++i) { | |
584 | hits[i]=pos[i]; | |
585 | hits[i+3]=mom[i]*norm; | |
586 | } | |
587 | hits[6]=ptot; | |
588 | hits[7]=pos[3]; | |
826b71ec | 589 | new(lhits[fNhits++]) AliTOFhit(fIshunt,gAlice->CurrentTrack(),sector, plate, pad_x, pad_z, hits); |
fe4da5cc | 590 | } |
591 | } | |
937fe4a4 | 592 |