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