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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 | $Log$ | |
826b71ec | 18 | Revision 1.13 1999/11/01 20:41:57 fca |
19 | Added protections against using the wrong version of FRAME | |
20 | ||
ab76897d | 21 | Revision 1.12 1999/10/22 08:04:14 fca |
22 | Correct improper use of negative parameters | |
23 | ||
d0a635a0 | 24 | Revision 1.11 1999/10/16 19:30:05 fca |
25 | Corrected Rotation Matrix and CVS log | |
26 | ||
00e5f8d9 | 27 | Revision 1.10 1999/10/15 15:35:20 fca |
28 | New version for frame1099 with and without holes | |
29 | ||
937fe4a4 | 30 | Revision 1.9 1999/09/29 09:24:33 fca |
31 | Introduction of the Copyright and cvs Log | |
32 | ||
4c039060 | 33 | */ |
34 | ||
fe4da5cc | 35 | /////////////////////////////////////////////////////////////////////////////// |
36 | // // | |
937fe4a4 | 37 | // Time Of Flight: design of C.Williams FCA // |
38 | // This class contains the functions for version 1 of the Time Of Flight // | |
fe4da5cc | 39 | // detector. // |
937fe4a4 | 40 | // |
41 | // VERSION WITH 5 MODULES AND TILTED STRIPS | |
42 | // | |
43 | // WITH HOLES FOR PHOS AND HMPID | |
44 | // INSIDE A FULL COVERAGE SPACE FRAME | |
45 | // | |
46 | // | |
47 | // Authors: | |
48 | // | |
49 | // Alessio Seganti | |
50 | // Domenico Vicinanza | |
51 | // | |
52 | // University of Salerno - Italy | |
53 | // | |
54 | // | |
55 | // | |
fe4da5cc | 56 | //Begin_Html |
57 | /* | |
3fe3a833 | 58 | <img src="picts/AliTOFv2Class.gif"> |
fe4da5cc | 59 | */ |
60 | //End_Html | |
61 | // // | |
62 | /////////////////////////////////////////////////////////////////////////////// | |
63 | ||
826b71ec | 64 | #include <iostream.h> |
ab76897d | 65 | #include <stdlib.h> |
66 | ||
fe4da5cc | 67 | #include "AliTOFv2.h" |
fe4da5cc | 68 | #include "AliRun.h" |
fe4da5cc | 69 | #include "AliConst.h" |
70 | ||
71 | ClassImp(AliTOFv2) | |
72 | ||
73 | //_____________________________________________________________________________ | |
151e057e | 74 | AliTOFv2::AliTOFv2() |
fe4da5cc | 75 | { |
76 | // | |
77 | // Default constructor | |
78 | // | |
79 | } | |
80 | ||
81 | //_____________________________________________________________________________ | |
82 | AliTOFv2::AliTOFv2(const char *name, const char *title) | |
83 | : AliTOF(name,title) | |
84 | { | |
85 | // | |
86 | // Standard constructor | |
87 | // | |
88 | } | |
89 | ||
90 | //_____________________________________________________________________________ | |
91 | void AliTOFv2::CreateGeometry() | |
92 | { | |
93 | // | |
3fe3a833 | 94 | // Create geometry for Time Of Flight version 0 |
fe4da5cc | 95 | // |
96 | //Begin_Html | |
97 | /* | |
3fe3a833 | 98 | <img src="picts/AliTOFv2.gif"> |
fe4da5cc | 99 | */ |
100 | //End_Html | |
101 | // | |
937fe4a4 | 102 | // Creates common geometry |
fe4da5cc | 103 | // |
104 | AliTOF::CreateGeometry(); | |
105 | } | |
106 | ||
107 | //_____________________________________________________________________________ | |
937fe4a4 | 108 | void AliTOFv2::TOFpc(Float_t xtof, Float_t ytof, Float_t zlen1, |
109 | Float_t zlen2, Float_t zlen3, Float_t ztof0) | |
fe4da5cc | 110 | { |
111 | // | |
112 | // Definition of the Time Of Fligh Resistive Plate Chambers | |
937fe4a4 | 113 | // xFLT, yFLT, zFLT - sizes of TOF modules (large) |
3fe3a833 | 114 | |
937fe4a4 | 115 | Int_t idrotm[100]; |
116 | Int_t nrot = 0; | |
117 | Float_t ycoor, zcoor; | |
fe4da5cc | 118 | Float_t par[10]; |
fe4da5cc | 119 | |
ad51aeb0 | 120 | Int_t *idtmed = fIdtmed->GetArray()-499; |
937fe4a4 | 121 | |
122 | ||
123 | par[0] = xtof / 2.; | |
124 | par[1] = ytof / 2.; | |
125 | par[2] = zlen1 / 2.; | |
126 | gMC->Gsvolu("FTO1", "BOX ", idtmed[506], par, 3); | |
127 | par[2] = zlen2 / 2.; | |
128 | gMC->Gsvolu("FTO2", "BOX ", idtmed[506], par, 3); | |
129 | par[2] = zlen3 / 2.; | |
130 | gMC->Gsvolu("FTO3", "BOX ", idtmed[506], par, 3); | |
131 | ||
132 | ||
133 | // Position of modules | |
134 | Float_t zcor1 = ztof0 - zlen1/2; | |
135 | Float_t zcor2 = ztof0 - zlen1 - zlen2/2.; | |
136 | Float_t zcor3 = 0.; | |
137 | ||
138 | AliMatrix(idrotm[0], 90., 0., 0., 0., 90, -90.); | |
139 | AliMatrix(idrotm[1], 90., 180., 0., 0., 90, 90.); | |
140 | gMC->Gspos("FTO1", 1, "BTO1", 0, zcor1, 0, idrotm[0], "ONLY"); | |
141 | gMC->Gspos("FTO1", 2, "BTO1", 0, -zcor1, 0, idrotm[1], "ONLY"); | |
142 | gMC->Gspos("FTO1", 1, "BTO2", 0, zcor1, 0, idrotm[0], "ONLY"); | |
143 | gMC->Gspos("FTO1", 2, "BTO2", 0, -zcor1, 0, idrotm[1], "ONLY"); | |
144 | gMC->Gspos("FTO1", 1, "BTO3", 0, zcor1, 0, idrotm[0], "ONLY"); | |
145 | gMC->Gspos("FTO1", 2, "BTO3", 0, -zcor1, 0, idrotm[1], "ONLY"); | |
146 | ||
147 | gMC->Gspos("FTO2", 1, "BTO1", 0, zcor2, 0, idrotm[0], "ONLY"); | |
148 | gMC->Gspos("FTO2", 2, "BTO1", 0, -zcor2, 0, idrotm[1], "ONLY"); | |
149 | gMC->Gspos("FTO2", 1, "BTO2", 0, zcor2, 0, idrotm[0], "ONLY"); | |
150 | gMC->Gspos("FTO2", 2, "BTO2", 0, -zcor2, 0, idrotm[1], "ONLY"); | |
151 | ||
152 | gMC->Gspos("FTO3", 0, "BTO1", 0, zcor3, 0, idrotm[0], "ONLY"); | |
153 | ||
154 | // Subtraction the distance to TOF module boundaries | |
155 | ||
156 | Float_t db = 7.; | |
157 | Float_t xFLT, yFLT, zFLT1, zFLT2, zFLT3; | |
158 | ||
159 | xFLT = xtof -(.5 +.5)*2; | |
160 | yFLT = ytof; | |
161 | zFLT1 = zlen1 - db; | |
162 | zFLT2 = zlen2 - db; | |
163 | zFLT3 = zlen3 - db; | |
164 | ||
165 | ||
166 | // Sizes of MRPC pads | |
167 | ||
168 | Float_t yPad = 0.505; | |
fe4da5cc | 169 | |
937fe4a4 | 170 | // Large not sensitive volumes with CO2 |
171 | par[0] = xFLT/2; | |
172 | par[1] = yFLT/2; | |
173 | ||
174 | cout <<"************************* TOF geometry **************************"<<endl; | |
175 | ||
176 | par[2] = (zFLT1 / 2.); | |
177 | gMC->Gsvolu("FLT1", "BOX ", idtmed[506], par, 3); // CO2 | |
178 | gMC->Gspos("FLT1", 0, "FTO1", 0., 0., 0., 0, "ONLY"); | |
179 | ||
180 | par[2] = (zFLT2 / 2.); | |
181 | gMC->Gsvolu("FLT2", "BOX ", idtmed[506], par, 3); // CO2 | |
182 | gMC->Gspos("FLT2", 0, "FTO2", 0., 0., 0., 0, "ONLY"); | |
183 | ||
184 | par[2] = (zFLT3 / 2.); | |
185 | gMC->Gsvolu("FLT3", "BOX ", idtmed[506], par, 3); // CO2 | |
186 | gMC->Gspos("FLT3", 0, "FTO3", 0., 0., 0., 0, "ONLY"); | |
187 | ||
188 | ////////// Layers before detector //////////////////// | |
189 | ||
190 | // Alluminium layer in front 1.0 mm thick at the beginning | |
191 | par[0] = -1; | |
192 | par[1] = 0.1; | |
193 | par[2] = -1; | |
194 | ycoor = -yFLT/2 + par[1]; | |
195 | gMC->Gsvolu("FMY1", "BOX ", idtmed[508], par, 3); // Alluminium | |
196 | gMC->Gspos("FMY1", 0, "FLT1", 0., ycoor, 0., 0, "ONLY"); | |
197 | gMC->Gsvolu("FMY2", "BOX ", idtmed[508], par, 3); // Alluminium | |
198 | gMC->Gspos("FMY2", 0, "FLT2", 0., ycoor, 0., 0, "ONLY"); | |
199 | gMC->Gsvolu("FMY3", "BOX ", idtmed[508], par, 3); // Alluminium | |
200 | gMC->Gspos("FMY3", 0, "FLT3", 0., ycoor, 0., 0, "ONLY"); | |
201 | ||
202 | // Honeycomb layer (1cm of special polyethilene) | |
203 | ycoor = ycoor + par[1]; | |
204 | par[0] = -1; | |
205 | par[1] = 0.5; | |
206 | par[2] = -1; | |
207 | ycoor = ycoor + par[1]; | |
208 | gMC->Gsvolu("FPL1", "BOX ", idtmed[503], par, 3); // Hony | |
209 | gMC->Gspos("FPL1", 0, "FLT1", 0., ycoor, 0., 0, "ONLY"); | |
210 | gMC->Gsvolu("FPL2", "BOX ", idtmed[503], par, 3); // Hony | |
211 | gMC->Gspos("FPL2", 0, "FLT2", 0., ycoor, 0., 0, "ONLY"); | |
212 | gMC->Gsvolu("FPL3", "BOX ", idtmed[503], par, 3); // Hony | |
213 | gMC->Gspos("FPL3", 0, "FLT3", 0., ycoor, 0., 0, "ONLY"); | |
214 | ||
215 | ///////////////// Detector itself ////////////////////// | |
216 | ||
217 | const Float_t StripWidth = 7.81;//cm | |
218 | const Float_t DeadBound = 1.;//cm non-sensitive between the pad edge and the boundary of the strip | |
219 | const Int_t nx = 40; // number of pads along x | |
220 | const Int_t nz = 2; // number of pads along z | |
221 | const Float_t Gap=4.; //cm distance between the strip axis | |
222 | const Float_t Space = 5.5; //cm distance from the front plate of the box | |
223 | ||
224 | Float_t zSenStrip; | |
225 | zSenStrip = StripWidth-2*DeadBound;//cm | |
226 | ||
d0a635a0 | 227 | par[0] = xFLT/2; |
937fe4a4 | 228 | par[1] = yPad/2; |
229 | par[2] = StripWidth/2.; | |
230 | ||
231 | // Glass Layer of detector | |
232 | gMC->Gsvolu("FSTR","BOX",idtmed[514],par,3); | |
233 | ||
234 | // Freon for non-sesitive boundaries | |
d0a635a0 | 235 | par[0] = xFLT/2; |
937fe4a4 | 236 | par[1] = 0.110/2; |
237 | par[2] = -1; | |
238 | gMC->Gsvolu("FNSF","BOX",idtmed[512],par,3); | |
239 | gMC->Gspos("FNSF",0,"FSTR",0.,0.,0.,0,"ONLY"); | |
240 | // Mylar for non-sesitive boundaries | |
241 | par[1] = 0.025; | |
242 | gMC->Gsvolu("FMYI","BOX",idtmed[510],par,3); | |
243 | gMC->Gspos("FMYI",0,"FNSF",0.,0.,0.,0,"ONLY"); | |
244 | ||
245 | // Mylar for outer layers | |
246 | par[1] = 0.035/2; | |
247 | ycoor = -yPad/2.+par[1]; | |
248 | gMC->Gsvolu("FMYX","BOX",idtmed[510],par,3); | |
249 | gMC->Gspos("FMYX",1,"FSTR",0.,ycoor,0.,0,"ONLY"); | |
250 | gMC->Gspos("FMYX",2,"FSTR",0.,-ycoor,0.,0,"ONLY"); | |
251 | ycoor += par[1]; | |
252 | ||
253 | // Graphyte layers | |
254 | par[1] = 0.003/2; | |
255 | ycoor += par[1]; | |
256 | gMC->Gsvolu("FGRL","BOX",idtmed[502],par,3); | |
257 | gMC->Gspos("FGRL",1,"FSTR",0.,ycoor,0.,0,"ONLY"); | |
258 | gMC->Gspos("FGRL",2,"FSTR",0.,-ycoor,0.,0,"ONLY"); | |
259 | ||
260 | // Freon sensitive layer | |
261 | par[0] = -1; | |
262 | par[1] = 0.110/2.; | |
263 | par[2] = zSenStrip/2.; | |
264 | gMC->Gsvolu("FCFC","BOX",idtmed[513],par,3); | |
265 | gMC->Gspos("FCFC",0,"FNSF",0.,0.,0.,0,"ONLY"); | |
266 | ||
267 | // Pad definition x & z | |
268 | gMC->Gsdvn("FLZ","FCFC", nz, 3); | |
269 | gMC->Gsdvn("FLX","FLZ" , nx, 1); | |
270 | ||
271 | // MRPC pixel itself | |
272 | par[0] = -1; | |
273 | par[1] = -1; | |
274 | par[2] = -1; | |
275 | gMC->Gsvolu("FPAD", "BOX ", idtmed[513], par, 3); | |
276 | gMC->Gspos("FPAD", 0, "FLX", 0., 0., 0., 0, "ONLY"); | |
277 | ||
278 | ||
279 | //// Positioning the Strips (FSTR) in the FLT volumes ///// | |
280 | ||
281 | ||
282 | // 3 (Central) Plate | |
283 | Float_t t = zFLT1+zFLT2+zFLT3/2.+7.*2.5;//Half Width of Barrel | |
284 | Float_t zpos = 0; | |
285 | Float_t ang; | |
286 | Float_t Offset; | |
287 | Float_t last; | |
288 | nrot = 0; | |
289 | Int_t i=1,j=1; | |
290 | zcoor=0; | |
291 | Int_t UpDown=-1; // UpDown=-1 -> Upper strip, UpDown=+1 -> Lower strip | |
292 | ||
293 | do{ | |
294 | ang = atan(zcoor/t); | |
00e5f8d9 | 295 | ang = ang*kRaddeg; |
296 | AliMatrix (idrotm[nrot] ,90., 0.,90.-ang,90.,-ang,90.); | |
297 | AliMatrix (idrotm[nrot+1],90.,180.,90.+ang,90.,ang,90.); | |
937fe4a4 | 298 | ycoor = -29./2.+ Space; //2 cm over front plate |
299 | ycoor += (1-(UpDown+1)/2)*Gap; | |
300 | gMC->Gspos("FSTR",j,"FLT3",0.,ycoor,zcoor,idrotm[nrot],"ONLY"); | |
301 | gMC->Gspos("FSTR",j+1,"FLT3",0.,ycoor,-zcoor,idrotm[nrot+1],"ONLY"); | |
00e5f8d9 | 302 | ang = ang/kRaddeg; |
937fe4a4 | 303 | |
304 | zcoor=zcoor-(zSenStrip/2)/TMath::Cos(ang)+UpDown*Gap*TMath::Tan(ang)-(zSenStrip/2)/TMath::Cos(ang); | |
305 | UpDown*= -1; // Alternate strips | |
306 | i++; | |
307 | j+=2; | |
308 | } while (zcoor-(StripWidth/2)*TMath::Cos(ang)>-t+zFLT1+zFLT2+7*2.5); | |
309 | ||
310 | ycoor = -29./2.+ Space; //2 cm over front plate | |
311 | ||
312 | // Plate 2 | |
313 | zpos = -zFLT3/2-7; | |
314 | ang = atan(zpos/sqrt(2*t*t-zpos*zpos)); | |
315 | Offset = StripWidth*TMath::Cos(ang)/2; | |
316 | zpos -= Offset; | |
317 | nrot = 0; | |
318 | i=1; | |
319 | // UpDown has not to be reinitialized, so that the arrangement of the strips can continue coherently | |
320 | ||
321 | do { | |
322 | ang = atan(zpos/sqrt(2*t*t-zpos*zpos)); | |
00e5f8d9 | 323 | ang = ang*kRaddeg; |
324 | AliMatrix (idrotm[nrot], 90., 0., 90.-ang,90.,ang, 270.); | |
937fe4a4 | 325 | ycoor = -29./2.+ Space ; //2 cm over front plate |
326 | ycoor += (1-(UpDown+1)/2)*Gap; | |
327 | zcoor = zpos+(zFLT3/2.+7+zFLT2/2); // Moves to the system of the centre of the modulus FLT2 | |
328 | gMC->Gspos("FSTR",i, "FLT2", 0., ycoor, zcoor,idrotm[nrot], "ONLY"); | |
00e5f8d9 | 329 | ang = ang/kRaddeg; |
937fe4a4 | 330 | zpos = zpos - (zSenStrip/2)/TMath::Cos(ang)+UpDown*Gap*TMath::Tan(ang)-(zSenStrip/2)/TMath::Cos(ang); |
331 | last = StripWidth*TMath::Cos(ang)/2; | |
332 | UpDown*=-1; | |
333 | i++; | |
334 | } while (zpos-(StripWidth/2)*TMath::Cos(ang)>-t+zFLT1+7); | |
335 | ||
336 | // Plate 1 | |
337 | zpos = -t+zFLT1+3.5; | |
338 | ang = atan(zpos/sqrt(2*t*t-zpos*zpos)); | |
339 | Offset = StripWidth*TMath::Cos(ang)/2.; | |
340 | zpos -= Offset; | |
341 | nrot = 0; | |
342 | i=0; | |
343 | ycoor= -29./2.+Space+Gap/2; | |
344 | ||
345 | do { | |
346 | ang = atan(zpos/sqrt(2*t*t-zpos*zpos)); | |
00e5f8d9 | 347 | ang = ang*kRaddeg; |
348 | AliMatrix (idrotm[nrot], 90., 0., 90.-ang,90.,ang, 270.); | |
937fe4a4 | 349 | i++; |
350 | zcoor = zpos+(zFLT1/2+zFLT2+zFLT3/2+7.*2.); | |
351 | gMC->Gspos("FSTR",i, "FLT1", 0., ycoor, zcoor,idrotm[nrot], "ONLY"); | |
00e5f8d9 | 352 | ang = ang /kRaddeg; |
937fe4a4 | 353 | zpos = zpos - zSenStrip/TMath::Cos(ang); |
354 | last = StripWidth*TMath::Cos(ang)/2.; | |
355 | } while (zpos>-t+7.+last); | |
356 | ||
357 | printf("#######################################################\n"); | |
00e5f8d9 | 358 | printf(" Distance from the bound of the FLT3: zFLT3- %f cm \n", t+zpos-(zSenStrip/2)/TMath::Cos(ang)); |
937fe4a4 | 359 | ang = atan(zpos/sqrt(2*t*t-zpos*zpos)); |
360 | zpos = zpos - zSenStrip/TMath::Cos(ang); | |
00e5f8d9 | 361 | printf("NEXT Distance from the bound of the FLT3: zFLT3- %f cm \n", t+zpos-(zSenStrip/2)/TMath::Cos(ang)); |
937fe4a4 | 362 | printf("#######################################################\n"); |
363 | ||
364 | ////////// Layers after detector ///////////////// | |
365 | ||
366 | // Honeycomb layer after (3cm) | |
367 | ||
368 | Float_t OverSpace = Space + 7.3; | |
369 | /// StripWidth*TMath::Sin(ang) + 1.3; | |
370 | ||
371 | par[0] = -1; | |
372 | par[1] = 0.6; | |
373 | par[2] = -1; | |
374 | ycoor = -yFLT/2 + OverSpace + par[1]; | |
375 | gMC->Gsvolu("FPE1", "BOX ", idtmed[503], par, 3); // Hony | |
376 | gMC->Gspos("FPE1", 0, "FLT1", 0., ycoor, 0., 0, "ONLY"); | |
377 | gMC->Gsvolu("FPE2", "BOX ", idtmed[503], par, 3); // Hony | |
378 | gMC->Gspos("FPE2", 0, "FLT2", 0., ycoor, 0., 0, "ONLY"); | |
379 | gMC->Gsvolu("FPE3", "BOX ", idtmed[503], par, 3); // Hony | |
380 | gMC->Gspos("FPE3", 0, "FLT3", 0., ycoor, 0., 0, "ONLY"); | |
381 | ||
382 | // Electronics (Cu) after | |
383 | ycoor += par[1]; | |
384 | par[0] = -1; | |
385 | par[1] = 1.43*0.05 / 2.; // 5% of X0 | |
386 | par[2] = -1; | |
387 | ycoor += par[1]; | |
3fe3a833 | 388 | gMC->Gsvolu("FEC1", "BOX ", idtmed[501], par, 3); // Cu |
937fe4a4 | 389 | gMC->Gspos("FEC1", 0, "FLT1", 0., ycoor, 0., 0, "ONLY"); |
3fe3a833 | 390 | gMC->Gsvolu("FEC2", "BOX ", idtmed[501], par, 3); // Cu |
937fe4a4 | 391 | gMC->Gspos("FEC2", 0, "FLT2", 0., ycoor, 0., 0, "ONLY"); |
3fe3a833 | 392 | gMC->Gsvolu("FEC3", "BOX ", idtmed[501], par, 3); // Cu |
937fe4a4 | 393 | gMC->Gspos("FEC3", 0, "FLT3", 0., ycoor, 0., 0, "ONLY"); |
394 | ||
395 | // Cooling water after | |
396 | ycoor += par[1]; | |
397 | par[0] = -1; | |
398 | par[1] = 36.1*0.02 / 2.; // 2% of X0 | |
399 | par[2] = -1; | |
400 | ycoor += par[1]; | |
401 | gMC->Gsvolu("FWA1", "BOX ", idtmed[515], par, 3); // Water | |
402 | gMC->Gspos("FWA1", 0, "FLT1", 0., ycoor, 0., 0, "ONLY"); | |
403 | gMC->Gsvolu("FWA2", "BOX ", idtmed[515], par, 3); // Water | |
404 | gMC->Gspos("FWA2", 0, "FLT2", 0., ycoor, 0., 0, "ONLY"); | |
405 | gMC->Gsvolu("FWA3", "BOX ", idtmed[515], par, 3); // Water | |
406 | gMC->Gspos("FWA3", 0, "FLT3", 0., ycoor, 0., 0, "ONLY"); | |
407 | ||
408 | //back plate honycomb (2cm) | |
409 | par[0] = -1; | |
410 | par[1] = 2 / 2.; | |
411 | par[2] = -1; | |
412 | ycoor = yFLT/2 - par[1]; | |
413 | gMC->Gsvolu("FEG1", "BOX ", idtmed[503], par, 3); // Hony | |
414 | gMC->Gspos("FEG1", 0, "FLT1", 0., ycoor, 0., 0, "ONLY"); | |
415 | gMC->Gsvolu("FEG2", "BOX ", idtmed[503], par, 3); // Hony | |
416 | gMC->Gspos("FEG2", 0, "FLT2", 0., ycoor, 0., 0, "ONLY"); | |
417 | gMC->Gsvolu("FEG3", "BOX ", idtmed[503], par, 3); // Hony | |
418 | gMC->Gspos("FEG3", 0, "FLT3", 0., ycoor, 0., 0, "ONLY"); | |
fe4da5cc | 419 | } |
420 | ||
421 | //_____________________________________________________________________________ | |
8f72dc0c | 422 | void AliTOFv2::DrawModule() |
fe4da5cc | 423 | { |
424 | // | |
937fe4a4 | 425 | // Draw a shaded view of the Time Of Flight version 1 |
fe4da5cc | 426 | // |
fe4da5cc | 427 | // Set everything unseen |
cfce8870 | 428 | gMC->Gsatt("*", "seen", -1); |
fe4da5cc | 429 | // |
430 | // Set ALIC mother transparent | |
cfce8870 | 431 | gMC->Gsatt("ALIC","SEEN",0); |
fe4da5cc | 432 | // |
433 | // Set the volumes visible | |
cfce8870 | 434 | gMC->Gsatt("ALIC","SEEN",0); |
937fe4a4 | 435 | gMC->Gsatt("FBAR","SEEN",1); |
436 | gMC->Gsatt("FTO1","SEEN",1); | |
437 | gMC->Gsatt("FTO2","SEEN",1); | |
438 | gMC->Gsatt("FTO3","SEEN",1); | |
439 | gMC->Gsatt("FBT1","SEEN",1); | |
440 | gMC->Gsatt("FBT2","SEEN",1); | |
441 | gMC->Gsatt("FBT3","SEEN",1); | |
442 | gMC->Gsatt("FDT1","SEEN",1); | |
443 | gMC->Gsatt("FDT2","SEEN",1); | |
444 | gMC->Gsatt("FDT3","SEEN",1); | |
445 | gMC->Gsatt("FLT1","SEEN",1); | |
446 | gMC->Gsatt("FLT2","SEEN",1); | |
447 | gMC->Gsatt("FLT3","SEEN",1); | |
448 | gMC->Gsatt("FPL1","SEEN",1); | |
449 | gMC->Gsatt("FPL2","SEEN",1); | |
450 | gMC->Gsatt("FPL3","SEEN",1); | |
451 | gMC->Gsatt("FLD1","SEEN",1); | |
452 | gMC->Gsatt("FLD2","SEEN",1); | |
453 | gMC->Gsatt("FLD3","SEEN",1); | |
454 | gMC->Gsatt("FLZ1","SEEN",1); | |
455 | gMC->Gsatt("FLZ2","SEEN",1); | |
456 | gMC->Gsatt("FLZ3","SEEN",1); | |
457 | gMC->Gsatt("FLX1","SEEN",1); | |
458 | gMC->Gsatt("FLX2","SEEN",1); | |
459 | gMC->Gsatt("FLX3","SEEN",1); | |
460 | gMC->Gsatt("FPA0","SEEN",1); | |
fe4da5cc | 461 | // |
cfce8870 | 462 | gMC->Gdopt("hide", "on"); |
463 | gMC->Gdopt("shad", "on"); | |
464 | gMC->Gsatt("*", "fill", 7); | |
465 | gMC->SetClipBox("."); | |
466 | gMC->SetClipBox("*", 0, 1000, -1000, 1000, -1000, 1000); | |
467 | gMC->DefaultRange(); | |
468 | gMC->Gdraw("alic", 40, 30, 0, 12, 9.5, .02, .02); | |
469 | gMC->Gdhead(1111, "Time Of Flight"); | |
470 | gMC->Gdman(18, 4, "MAN"); | |
471 | gMC->Gdopt("hide","off"); | |
fe4da5cc | 472 | } |
473 | ||
474 | //_____________________________________________________________________________ | |
475 | void AliTOFv2::CreateMaterials() | |
476 | { | |
477 | // | |
478 | // Define materials for the Time Of Flight | |
479 | // | |
480 | AliTOF::CreateMaterials(); | |
481 | } | |
482 | ||
483 | //_____________________________________________________________________________ | |
484 | void AliTOFv2::Init() | |
485 | { | |
486 | // | |
487 | // Initialise the detector after the geometry has been defined | |
488 | // | |
ab76897d | 489 | printf("**************************************" |
490 | " TOF " | |
491 | "**************************************\n"); | |
492 | printf("\n Version 2 of TOF initialing, " | |
493 | "with openings for PHOS and RICH in symmetric frame\n\n"); | |
494 | ||
fe4da5cc | 495 | AliTOF::Init(); |
ab76897d | 496 | |
497 | // | |
498 | // Check that FRAME is there otherwise we have no place where to | |
499 | // put TOF | |
500 | AliModule* FRAME=gAlice->GetModule("FRAME"); | |
501 | if(!FRAME) { | |
502 | Error("Ctor","TOF needs FRAME to be present\n"); | |
503 | exit(1); | |
504 | } else | |
505 | if(FRAME->IsVersion()!=1) { | |
506 | Error("Ctor","FRAME version 1 needed with this version of TOF\n"); | |
507 | exit(1); | |
508 | } | |
509 | ||
cfce8870 | 510 | fIdFTO2=gMC->VolId("FTO2"); |
511 | fIdFTO3=gMC->VolId("FTO3"); | |
512 | fIdFLT1=gMC->VolId("FLT1"); | |
513 | fIdFLT2=gMC->VolId("FLT2"); | |
514 | fIdFLT3=gMC->VolId("FLT3"); | |
ab76897d | 515 | printf("**************************************" |
516 | " TOF " | |
517 | "**************************************\n"); | |
fe4da5cc | 518 | } |
519 | ||
520 | //_____________________________________________________________________________ | |
521 | void AliTOFv2::StepManager() | |
522 | { | |
523 | // | |
524 | // Procedure called at each step in the Time Of Flight | |
525 | // | |
3fe3a833 | 526 | TLorentzVector mom, pos; |
826b71ec | 527 | Float_t hits[8],rho,phi,phid,z; |
528 | Int_t sector, plate, pad_x, pad_z, strip; | |
529 | Int_t copy, pad_z_id, pad_x_id, strip_id, i; | |
ad51aeb0 | 530 | Int_t *idtmed = fIdtmed->GetArray()-499; |
826b71ec | 531 | |
532 | ||
533 | if(gMC->GetMedium()==idtmed[513] && | |
0a6d8768 | 534 | gMC->IsTrackEntering() && gMC->TrackCharge() |
826b71ec | 535 | && gMC->CurrentVolID(copy)==fIdSens) |
536 | { | |
fe4da5cc | 537 | TClonesArray &lhits = *fHits; |
826b71ec | 538 | |
539 | //_________getting information about hit volumes_____________ | |
540 | ||
541 | pad_z_id=gMC->CurrentVolOffID(2,copy); | |
542 | pad_z=copy; | |
543 | ||
544 | pad_x_id=gMC->CurrentVolOffID(1,copy); | |
545 | pad_x=copy; | |
546 | ||
547 | strip_id=gMC->CurrentVolOffID(5,copy); | |
548 | strip=copy; | |
549 | ||
550 | pad_z = (strip-1)*2+pad_z; | |
551 | ||
0a6d8768 | 552 | gMC->TrackPosition(pos); |
553 | gMC->TrackMomentum(mom); | |
826b71ec | 554 | |
555 | rho = sqrt(pos[0]*pos[0]+pos[1]*pos[1]); | |
556 | phi = TMath::ACos(pos[0]/rho); | |
557 | Float_t as = TMath::ASin(pos[1]/rho); | |
558 | if (as<0) phi = 2*3.141592654-phi; | |
559 | ||
560 | z = pos[2]; | |
561 | ||
562 | if (z<=62. && z>=-62) plate = 3; | |
563 | if (z<=216. && z>62.) plate = 4; | |
564 | if (z>=-216. && z<-62.) plate = 2; | |
565 | if (z>216.) plate = 5; | |
566 | if (z<-216.) plate = 1; | |
567 | ||
568 | phid = phi*kRaddeg; | |
569 | sector = Int_t (phid/20.); | |
570 | sector++; | |
571 | ||
0a6d8768 | 572 | Double_t ptot=mom.Rho(); |
573 | Double_t norm=1/ptot; | |
574 | for(i=0;i<3;++i) { | |
575 | hits[i]=pos[i]; | |
576 | hits[i+3]=mom[i]*norm; | |
577 | } | |
578 | hits[6]=ptot; | |
579 | hits[7]=pos[3]; | |
826b71ec | 580 | new(lhits[fNhits++]) AliTOFhit(fIshunt,gAlice->CurrentTrack(),sector, plate, pad_x, pad_z, hits); |
fe4da5cc | 581 | } |
582 | } | |
937fe4a4 | 583 | |
826b71ec | 584 |