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