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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 inside the | |
32 | // SPACE FRAME WITH HOLES | |
33 | // | |
34 | // | |
35 | // Authors: | |
36 | // | |
37 | // Alessio Seganti | |
38 | // Domenico Vicinanza | |
39 | // | |
40 | // University of Salerno - Italy | |
41 | // | |
42 | // | |
fe4da5cc | 43 | //Begin_Html |
44 | /* | |
1439f98e | 45 | <img src="picts/AliTOFv0Class.gif"> |
fe4da5cc | 46 | */ |
47 | //End_Html | |
48 | // // | |
49 | /////////////////////////////////////////////////////////////////////////////// | |
50 | ||
51 | #include "AliTOFv0.h" | |
52 | #include "AliRun.h" | |
fe4da5cc | 53 | #include "AliConst.h" |
3fe3a833 | 54 | |
fe4da5cc | 55 | ClassImp(AliTOFv0) |
56 | ||
57 | //_____________________________________________________________________________ | |
151e057e | 58 | AliTOFv0::AliTOFv0() |
fe4da5cc | 59 | { |
60 | // | |
61 | // Default constructor | |
62 | // | |
63 | } | |
64 | ||
65 | //_____________________________________________________________________________ | |
66 | AliTOFv0::AliTOFv0(const char *name, const char *title) | |
67 | : AliTOF(name,title) | |
68 | { | |
69 | // | |
3fe3a833 | 70 | // Standard constructor |
fe4da5cc | 71 | // |
72 | } | |
73 | ||
74 | //_____________________________________________________________________________ | |
75 | void AliTOFv0::CreateGeometry() | |
76 | { | |
77 | // | |
3fe3a833 | 78 | // Create geometry for Time Of Flight version 0 |
79 | // | |
fe4da5cc | 80 | //Begin_Html |
81 | /* | |
1439f98e | 82 | <img src="picts/AliTOFv0.gif"> |
fe4da5cc | 83 | */ |
84 | //End_Html | |
85 | // | |
937fe4a4 | 86 | // Creates common geometry |
fe4da5cc | 87 | // |
3fe3a833 | 88 | AliTOF::CreateGeometry(); |
fe4da5cc | 89 | } |
90 | ||
91 | //_____________________________________________________________________________ | |
937fe4a4 | 92 | void AliTOFv0::TOFpc(Float_t xtof, Float_t ytof, Float_t zlen1, |
93 | Float_t zlen2, Float_t zlen3, Float_t ztof0) | |
fe4da5cc | 94 | { |
95 | // | |
3fe3a833 | 96 | // Definition of the Time Of Fligh Resistive Plate Chambers |
937fe4a4 | 97 | // xFLT, yFLT, zFLT - sizes of TOF modules (large) |
3fe3a833 | 98 | |
99 | Float_t ycoor; | |
3fe3a833 | 100 | Float_t par[10]; |
937fe4a4 | 101 | Int_t idrotm[100]; |
102 | Int_t nrot = 0; | |
3fe3a833 | 103 | |
104 | Int_t *idtmed = fIdtmed->GetArray()-499; | |
937fe4a4 | 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 zcoor; | |
120 | ||
121 | Float_t zcor1 = ztof0 - zlen1/2; | |
122 | Float_t zcor2 = ztof0 - zlen1 - zlen2/2.; | |
123 | Float_t zcor3 = 0.; | |
124 | ||
125 | AliMatrix(idrotm[0], 90., 0., 0., 0., 90, -90.); | |
126 | AliMatrix(idrotm[1], 90., 180., 0., 0., 90, 90.); | |
127 | gMC->Gspos("FTO1", 1, "BTO1", 0, zcor1, 0, idrotm[0], "ONLY"); | |
128 | gMC->Gspos("FTO1", 2, "BTO1", 0, -zcor1, 0, idrotm[1], "ONLY"); | |
129 | zcoor = (zlen1/2.); | |
130 | gMC->Gspos("FTO1", 1, "BTO2", 0, zcoor, 0, idrotm[0], "ONLY"); | |
131 | zcoor = 0.; | |
132 | gMC->Gspos("FTO1", 1, "BTO3", 0, zcoor, 0, idrotm[0], "ONLY"); | |
133 | ||
134 | gMC->Gspos("FTO2", 1, "BTO1", 0, zcor2, 0, idrotm[0], "ONLY"); | |
135 | gMC->Gspos("FTO2", 2, "BTO1", 0, -zcor2, 0, idrotm[1], "ONLY"); | |
136 | zcoor = -zlen2/2.; | |
137 | gMC->Gspos("FTO2", 0, "BTO2", 0, zcoor, 0, idrotm[0], "ONLY"); | |
138 | ||
139 | gMC->Gspos("FTO3", 0, "BTO1", 0, zcor3, 0, idrotm[0], "ONLY"); | |
140 | ||
141 | // Subtraction the distance to TOF module boundaries | |
142 | ||
143 | Float_t db = 7.; | |
144 | Float_t xFLT, yFLT, zFLT1, zFLT2, zFLT3; | |
145 | ||
146 | xFLT = xtof -(.5 +.5)*2; | |
147 | yFLT = ytof; | |
148 | zFLT1 = zlen1 - db; | |
149 | zFLT2 = zlen2 - db; | |
150 | zFLT3 = zlen3 - db; | |
151 | ||
152 | // Sizes of MRPC pads | |
153 | ||
154 | Float_t yPad = 0.505; | |
3fe3a833 | 155 | |
937fe4a4 | 156 | // Large not sensitive volumes with CO2 |
157 | par[0] = xFLT/2; | |
158 | par[1] = yFLT/2; | |
159 | ||
3fe3a833 | 160 | cout <<"************************* TOF geometry **************************"<<endl; |
937fe4a4 | 161 | |
162 | par[2] = (zFLT1 / 2.); | |
3fe3a833 | 163 | gMC->Gsvolu("FLT1", "BOX ", idtmed[506], par, 3); // CO2 |
937fe4a4 | 164 | gMC->Gspos("FLT1", 0, "FTO1", 0., 0., 0., 0, "ONLY"); |
165 | ||
166 | par[2] = (zFLT2 / 2.); | |
3fe3a833 | 167 | gMC->Gsvolu("FLT2", "BOX ", idtmed[506], par, 3); // CO2 |
937fe4a4 | 168 | gMC->Gspos("FLT2", 0, "FTO2", 0., 0., 0., 0, "ONLY"); |
169 | ||
170 | par[2] = (zFLT3 / 2.); | |
3fe3a833 | 171 | gMC->Gsvolu("FLT3", "BOX ", idtmed[506], par, 3); // CO2 |
937fe4a4 | 172 | gMC->Gspos("FLT3", 0, "FTO3", 0., 0., 0., 0, "ONLY"); |
173 | ||
3fe3a833 | 174 | ////////// Layers before detector //////////////////// |
937fe4a4 | 175 | |
176 | // Alluminium layer in front 1.0 mm thick at the beginning | |
3fe3a833 | 177 | par[0] = -1; |
937fe4a4 | 178 | par[1] = 0.1; |
3fe3a833 | 179 | par[2] = -1; |
937fe4a4 | 180 | ycoor = -yFLT/2 + par[1]; |
181 | gMC->Gsvolu("FMY1", "BOX ", idtmed[508], par, 3); // Alluminium | |
3fe3a833 | 182 | gMC->Gspos("FMY1", 0, "FLT1", 0., ycoor, 0., 0, "ONLY"); |
937fe4a4 | 183 | gMC->Gsvolu("FMY2", "BOX ", idtmed[508], par, 3); // Alluminium |
3fe3a833 | 184 | gMC->Gspos("FMY2", 0, "FLT2", 0., ycoor, 0., 0, "ONLY"); |
937fe4a4 | 185 | gMC->Gsvolu("FMY3", "BOX ", idtmed[508], par, 3); // Alluminium |
3fe3a833 | 186 | gMC->Gspos("FMY3", 0, "FLT3", 0., ycoor, 0., 0, "ONLY"); |
937fe4a4 | 187 | |
188 | // Honeycomb layer (1cm of special polyethilene) | |
3fe3a833 | 189 | ycoor = ycoor + par[1]; |
190 | par[0] = -1; | |
937fe4a4 | 191 | par[1] = 0.5; |
3fe3a833 | 192 | par[2] = -1; |
193 | ycoor = ycoor + par[1]; | |
194 | gMC->Gsvolu("FPL1", "BOX ", idtmed[503], par, 3); // Hony | |
195 | gMC->Gspos("FPL1", 0, "FLT1", 0., ycoor, 0., 0, "ONLY"); | |
196 | gMC->Gsvolu("FPL2", "BOX ", idtmed[503], par, 3); // Hony | |
197 | gMC->Gspos("FPL2", 0, "FLT2", 0., ycoor, 0., 0, "ONLY"); | |
198 | gMC->Gsvolu("FPL3", "BOX ", idtmed[503], par, 3); // Hony | |
199 | gMC->Gspos("FPL3", 0, "FLT3", 0., ycoor, 0., 0, "ONLY"); | |
937fe4a4 | 200 | |
3fe3a833 | 201 | ///////////////// Detector itself ////////////////////// |
937fe4a4 | 202 | |
203 | const Float_t StripWidth = 7.81;//cm | |
204 | const Float_t DeadBound = 1.;//cm non-sensitive between the pad edge and the boundary of the strip | |
205 | const Int_t nx = 40; // number of pads along x | |
206 | const Int_t nz = 2; // number of pads along z | |
207 | const Float_t Gap=4.; //cm distance between the strip axis | |
208 | const Float_t Space = 5.5; //cm distance from the front plate of the box | |
209 | ||
210 | Float_t zSenStrip; | |
211 | zSenStrip = StripWidth-2*DeadBound;//cm | |
212 | ||
3fe3a833 | 213 | par[0] = -1; |
937fe4a4 | 214 | par[1] = yPad/2; |
215 | par[2] = StripWidth/2.; | |
216 | ||
217 | // Glass Layer of detector | |
218 | gMC->Gsvolu("FSTR","BOX",idtmed[514],par,3); | |
219 | ||
220 | // Freon for non-sesitive boundaries | |
3fe3a833 | 221 | par[0] = -1; |
937fe4a4 | 222 | par[1] = 0.110/2; |
3fe3a833 | 223 | par[2] = -1; |
937fe4a4 | 224 | gMC->Gsvolu("FNSF","BOX",idtmed[512],par,3); |
225 | gMC->Gspos("FNSF",0,"FSTR",0.,0.,0.,0,"ONLY"); | |
226 | // Mylar for non-sesitive boundaries | |
227 | par[1] = 0.025; | |
228 | gMC->Gsvolu("FMYI","BOX",idtmed[510],par,3); | |
229 | gMC->Gspos("FMYI",0,"FNSF",0.,0.,0.,0,"ONLY"); | |
230 | ||
231 | // Mylar for outer layers | |
232 | par[1] = 0.035/2; | |
233 | ycoor = -yPad/2.+par[1]; | |
234 | gMC->Gsvolu("FMYX","BOX",idtmed[510],par,3); | |
235 | gMC->Gspos("FMYX",1,"FSTR",0.,ycoor,0.,0,"ONLY"); | |
236 | gMC->Gspos("FMYX",2,"FSTR",0.,-ycoor,0.,0,"ONLY"); | |
237 | ycoor += par[1]; | |
238 | ||
239 | // Graphyte layers | |
240 | par[1] = 0.003/2; | |
241 | ycoor += par[1]; | |
242 | gMC->Gsvolu("FGRL","BOX",idtmed[502],par,3); | |
243 | gMC->Gspos("FGRL",1,"FSTR",0.,ycoor,0.,0,"ONLY"); | |
244 | gMC->Gspos("FGRL",2,"FSTR",0.,-ycoor,0.,0,"ONLY"); | |
245 | ||
246 | // Freon sensitive layer | |
3fe3a833 | 247 | par[0] = -1; |
937fe4a4 | 248 | par[1] = 0.110/2.; |
249 | par[2] = zSenStrip/2.; | |
250 | gMC->Gsvolu("FCFC","BOX",idtmed[513],par,3); | |
251 | gMC->Gspos("FCFC",0,"FNSF",0.,0.,0.,0,"ONLY"); | |
252 | ||
253 | // Pad definition x & z | |
254 | gMC->Gsdvn("FLZ","FCFC", nz, 3); | |
255 | gMC->Gsdvn("FLX","FLZ" , nx, 1); | |
256 | ||
257 | // MRPC pixel itself | |
258 | // par[0] = -1; | |
259 | // par[1] = -1; | |
260 | // par[2] = -1; | |
261 | // gMC->Gsvolu("FPAD", "BOX ", idtmed[513], par, 3); | |
262 | // gMC->Gspos("FPAD", 0, "FLX", 0., 0., 0., 0, "ONLY"); | |
263 | ||
264 | ||
265 | //// Positioning the Strips (FSTR) in the FLT volumes ///// | |
266 | ||
267 | ||
268 | // 3 (Central) Plate | |
269 | Float_t t = zFLT1+zFLT2+zFLT3/2.+7.*2.5;//Half Width of Barrel | |
270 | Float_t zpos = 0; | |
271 | Float_t ang; | |
272 | Float_t Offset; | |
273 | Float_t last; | |
274 | nrot = 0; | |
275 | Int_t i=1,j=1; | |
276 | zcoor=0; | |
277 | Int_t UpDown=-1; // UpDown=-1 -> Upper strip, UpDown=+1 -> Lower strip | |
278 | ||
279 | do{ | |
280 | ang = atan(zcoor/t); | |
281 | ang = ang*180/3.141592654; | |
282 | AliMatrix (idrotm[nrot], 90., 0., 90.-ang,90.,ang, 0.); | |
283 | AliMatrix (idrotm[nrot+1], 90., 180., 90.+ang,90.,ang, 0); | |
284 | ycoor = -14.5+ Space; //2 cm over front plate | |
285 | ycoor += (1-(UpDown+1)/2)*Gap; | |
286 | gMC->Gspos("FSTR",j ,"FLT3",0.,ycoor, zcoor,idrotm[nrot], "ONLY"); | |
287 | gMC->Gspos("FSTR",j+1,"FLT3",0.,ycoor,-zcoor,idrotm[nrot+1],"ONLY"); | |
288 | ang = ang*3.141592654/180; | |
289 | ||
290 | zcoor=zcoor-(zSenStrip/2)/TMath::Cos(ang)+UpDown*Gap*TMath::Tan(ang)-(zSenStrip/2)/TMath::Cos(ang); | |
291 | UpDown*= -1; // Alternate strips | |
292 | i++; | |
293 | j+=2; | |
294 | } while (zcoor-(StripWidth/2)*TMath::Cos(ang)>-t+zFLT1+zFLT2+7*2.5); | |
295 | ||
296 | ycoor = -29./2.+ Space; //2 cm over front plate | |
297 | ||
298 | // Plate 2 | |
299 | zpos = -zFLT3/2-7.; | |
300 | ang = atan(zpos/sqrt(2*t*t-zpos*zpos)); | |
301 | Offset = StripWidth*TMath::Cos(ang)/2; | |
302 | zpos -= Offset; | |
303 | nrot = 0; | |
304 | i=1; | |
305 | // UpDown has not to be reinitialized, so that the arrangement of the strips can continue coherently | |
306 | ||
307 | do { | |
308 | ang = atan(zpos/sqrt(2*t*t-zpos*zpos)); | |
309 | ang = ang*180/3.141592654; | |
310 | AliMatrix (idrotm[nrot], 90., 0., 90.-ang,90.,ang, 0.); | |
311 | ycoor = -29./2.+ Space ; //2 cm over front plate | |
312 | ycoor += (1-(UpDown+1)/2)*Gap; | |
313 | zcoor = zpos+(zFLT3/2.+7+zFLT2/2); // Moves to the system of the centre of the modulus FLT2 | |
314 | gMC->Gspos("FSTR",i, "FLT2", 0., ycoor, zcoor,idrotm[nrot], "ONLY"); | |
315 | ang = ang*3.141592654/180; | |
316 | zpos = zpos - (zSenStrip/2)/TMath::Cos(ang)+UpDown*Gap*TMath::Tan(ang)-(zSenStrip/2)/TMath::Cos(ang); | |
317 | last = StripWidth*TMath::Cos(ang)/2; | |
318 | UpDown*=-1; | |
319 | i++; | |
320 | } while (zpos-(StripWidth/2)*TMath::Cos(ang)>-t+zFLT1+7); | |
321 | ||
322 | // Plate 1 | |
323 | zpos = -t+zFLT1+3.5; | |
324 | ang = atan(zpos/sqrt(2*t*t-zpos*zpos)); | |
325 | Offset = StripWidth*TMath::Cos(ang)/2.; | |
326 | zpos -= Offset; | |
327 | nrot = 0; | |
328 | i=0; | |
329 | ycoor= -29./2.+Space+Gap/2; | |
330 | ||
331 | do { | |
332 | ang = atan(zpos/sqrt(2*t*t-zpos*zpos)); | |
333 | ang = ang*180/3.141592654; | |
334 | AliMatrix (idrotm[nrot], 90., 0., 90.-ang,90.,ang, 0.); | |
335 | i++; | |
336 | zcoor = zpos+(zFLT1/2+zFLT2+zFLT3/2+7.*2.); | |
337 | gMC->Gspos("FSTR",i, "FLT1", 0., ycoor, zcoor,idrotm[nrot], "ONLY"); | |
338 | ang = ang *3.141592654/180; | |
339 | zpos = zpos - zSenStrip/TMath::Cos(ang); | |
340 | last = StripWidth*TMath::Cos(ang)/2.; | |
341 | } while (zpos>-t+7.+last); | |
342 | ||
343 | printf("#######################################################\n"); | |
344 | printf(" Distance from the bound of the FLT3: zFLT3- %f cm \n", zpos+(zSenStrip/2)/TMath::Cos(ang)); | |
345 | ang = atan(zpos/sqrt(2*t*t-zpos*zpos)); | |
346 | zpos = zpos - zSenStrip/TMath::Cos(ang); | |
347 | printf("NEXT Distance from the bound of the FLT3: zFLT3- %f cm \n", zpos+(zSenStrip/2)/TMath::Cos(ang)); | |
348 | printf("#######################################################\n"); | |
349 | ||
350 | ////////// Layers after detector ///////////////// | |
351 | ||
352 | // Honeycomb layer after (3cm) | |
353 | ||
354 | Float_t OverSpace = Space + 7.3; | |
355 | /// StripWidth*TMath::Sin(ang) + 1.3; | |
356 | ||
357 | par[0] = -1; | |
358 | par[1] = 0.6; | |
3fe3a833 | 359 | par[2] = -1; |
937fe4a4 | 360 | ycoor = -yFLT/2 + OverSpace + par[1]; |
3fe3a833 | 361 | gMC->Gsvolu("FPE1", "BOX ", idtmed[503], par, 3); // Hony |
362 | gMC->Gspos("FPE1", 0, "FLT1", 0., ycoor, 0., 0, "ONLY"); | |
363 | gMC->Gsvolu("FPE2", "BOX ", idtmed[503], par, 3); // Hony | |
364 | gMC->Gspos("FPE2", 0, "FLT2", 0., ycoor, 0., 0, "ONLY"); | |
365 | gMC->Gsvolu("FPE3", "BOX ", idtmed[503], par, 3); // Hony | |
366 | gMC->Gspos("FPE3", 0, "FLT3", 0., ycoor, 0., 0, "ONLY"); | |
937fe4a4 | 367 | |
368 | // Electronics (Cu) after | |
369 | ycoor += par[1]; | |
3fe3a833 | 370 | par[0] = -1; |
371 | par[1] = 1.43*0.05 / 2.; // 5% of X0 | |
372 | par[2] = -1; | |
937fe4a4 | 373 | ycoor += par[1]; |
3fe3a833 | 374 | gMC->Gsvolu("FEC1", "BOX ", idtmed[501], par, 3); // Cu |
375 | gMC->Gspos("FEC1", 0, "FLT1", 0., ycoor, 0., 0, "ONLY"); | |
376 | gMC->Gsvolu("FEC2", "BOX ", idtmed[501], par, 3); // Cu | |
377 | gMC->Gspos("FEC2", 0, "FLT2", 0., ycoor, 0., 0, "ONLY"); | |
378 | gMC->Gsvolu("FEC3", "BOX ", idtmed[501], par, 3); // Cu | |
379 | gMC->Gspos("FEC3", 0, "FLT3", 0., ycoor, 0., 0, "ONLY"); | |
937fe4a4 | 380 | |
381 | // Cooling water after | |
382 | ycoor += par[1]; | |
3fe3a833 | 383 | par[0] = -1; |
384 | par[1] = 36.1*0.02 / 2.; // 2% of X0 | |
385 | par[2] = -1; | |
937fe4a4 | 386 | ycoor += par[1]; |
3fe3a833 | 387 | gMC->Gsvolu("FWA1", "BOX ", idtmed[515], par, 3); // Water |
388 | gMC->Gspos("FWA1", 0, "FLT1", 0., ycoor, 0., 0, "ONLY"); | |
389 | gMC->Gsvolu("FWA2", "BOX ", idtmed[515], par, 3); // Water | |
390 | gMC->Gspos("FWA2", 0, "FLT2", 0., ycoor, 0., 0, "ONLY"); | |
391 | gMC->Gsvolu("FWA3", "BOX ", idtmed[515], par, 3); // Water | |
392 | gMC->Gspos("FWA3", 0, "FLT3", 0., ycoor, 0., 0, "ONLY"); | |
937fe4a4 | 393 | |
394 | //back plate honycomb (2cm) | |
3fe3a833 | 395 | par[0] = -1; |
396 | par[1] = 2 / 2.; | |
397 | par[2] = -1; | |
937fe4a4 | 398 | ycoor = yFLT/2 - par[1]; |
3fe3a833 | 399 | gMC->Gsvolu("FEG1", "BOX ", idtmed[503], par, 3); // Hony |
400 | gMC->Gspos("FEG1", 0, "FLT1", 0., ycoor, 0., 0, "ONLY"); | |
401 | gMC->Gsvolu("FEG2", "BOX ", idtmed[503], par, 3); // Hony | |
402 | gMC->Gspos("FEG2", 0, "FLT2", 0., ycoor, 0., 0, "ONLY"); | |
403 | gMC->Gsvolu("FEG3", "BOX ", idtmed[503], par, 3); // Hony | |
404 | gMC->Gspos("FEG3", 0, "FLT3", 0., ycoor, 0., 0, "ONLY"); | |
405 | } | |
fe4da5cc | 406 | |
3fe3a833 | 407 | //_____________________________________________________________________________ |
408 | void AliTOFv0::DrawModule() | |
409 | { | |
410 | // | |
937fe4a4 | 411 | // Draw a shaded view of the Time Of Flight version 1 |
3fe3a833 | 412 | // |
fe4da5cc | 413 | // Set everything unseen |
cfce8870 | 414 | gMC->Gsatt("*", "seen", -1); |
fe4da5cc | 415 | // |
416 | // Set ALIC mother transparent | |
cfce8870 | 417 | gMC->Gsatt("ALIC","SEEN",0); |
fe4da5cc | 418 | // |
419 | // Set the volumes visible | |
3fe3a833 | 420 | gMC->Gsatt("ALIC","SEEN",0); |
421 | gMC->Gsatt("FBAR","SEEN",1); | |
422 | gMC->Gsatt("FTO1","SEEN",1); | |
423 | gMC->Gsatt("FTO2","SEEN",1); | |
424 | gMC->Gsatt("FTO3","SEEN",1); | |
cfce8870 | 425 | gMC->Gsatt("FBT1","SEEN",1); |
426 | gMC->Gsatt("FBT2","SEEN",1); | |
427 | gMC->Gsatt("FBT3","SEEN",1); | |
3fe3a833 | 428 | gMC->Gsatt("FDT1","SEEN",1); |
429 | gMC->Gsatt("FDT2","SEEN",1); | |
430 | gMC->Gsatt("FDT3","SEEN",1); | |
431 | gMC->Gsatt("FLT1","SEEN",1); | |
432 | gMC->Gsatt("FLT2","SEEN",1); | |
433 | gMC->Gsatt("FLT3","SEEN",1); | |
937fe4a4 | 434 | gMC->Gsatt("FPL1","SEEN",1); |
435 | gMC->Gsatt("FPL2","SEEN",1); | |
436 | gMC->Gsatt("FPL3","SEEN",1); | |
437 | gMC->Gsatt("FLD1","SEEN",1); | |
438 | gMC->Gsatt("FLD2","SEEN",1); | |
439 | gMC->Gsatt("FLD3","SEEN",1); | |
440 | gMC->Gsatt("FLZ1","SEEN",1); | |
441 | gMC->Gsatt("FLZ2","SEEN",1); | |
442 | gMC->Gsatt("FLZ3","SEEN",1); | |
443 | gMC->Gsatt("FLX1","SEEN",1); | |
444 | gMC->Gsatt("FLX2","SEEN",1); | |
445 | gMC->Gsatt("FLX3","SEEN",1); | |
446 | gMC->Gsatt("FPA0","SEEN",1); | |
cfce8870 | 447 | // |
448 | gMC->Gdopt("hide", "on"); | |
449 | gMC->Gdopt("shad", "on"); | |
450 | gMC->Gsatt("*", "fill", 7); | |
cfce8870 | 451 | gMC->SetClipBox("."); |
452 | gMC->SetClipBox("*", 0, 1000, -1000, 1000, -1000, 1000); | |
453 | gMC->DefaultRange(); | |
454 | gMC->Gdraw("alic", 40, 30, 0, 12, 9.5, .02, .02); | |
455 | gMC->Gdhead(1111, "Time Of Flight"); | |
456 | gMC->Gdman(18, 4, "MAN"); | |
457 | gMC->Gdopt("hide","off"); | |
fe4da5cc | 458 | } |
459 | ||
460 | //_____________________________________________________________________________ | |
461 | void AliTOFv0::CreateMaterials() | |
462 | { | |
463 | // | |
464 | // Define materials for the Time Of Flight | |
465 | // | |
466 | AliTOF::CreateMaterials(); | |
467 | } | |
468 | ||
469 | //_____________________________________________________________________________ | |
470 | void AliTOFv0::Init() | |
471 | { | |
472 | // | |
3fe3a833 | 473 | // Initialise the detector after the geometry has been defined |
fe4da5cc | 474 | // |
fe4da5cc | 475 | AliTOF::Init(); |
3fe3a833 | 476 | fIdFTO2=gMC->VolId("FTO2"); |
477 | fIdFTO3=gMC->VolId("FTO3"); | |
478 | fIdFLT1=gMC->VolId("FLT1"); | |
479 | fIdFLT2=gMC->VolId("FLT2"); | |
480 | fIdFLT3=gMC->VolId("FLT3"); | |
fe4da5cc | 481 | } |
482 | ||
483 | //_____________________________________________________________________________ | |
484 | void AliTOFv0::StepManager() | |
485 | { | |
486 | // | |
487 | // Procedure called at each step in the Time Of Flight | |
3fe3a833 | 488 | // |
489 | TLorentzVector mom, pos; | |
fe4da5cc | 490 | Float_t hits[8]; |
491 | Int_t vol[3]; | |
0a6d8768 | 492 | Int_t copy, id, i; |
ad51aeb0 | 493 | Int_t *idtmed = fIdtmed->GetArray()-499; |
3fe3a833 | 494 | if(gMC->GetMedium()==idtmed[514-1] && |
0a6d8768 | 495 | gMC->IsTrackEntering() && gMC->TrackCharge() |
3fe3a833 | 496 | && gMC->CurrentVolID(copy)==fIdSens) { |
fe4da5cc | 497 | TClonesArray &lhits = *fHits; |
498 | // | |
499 | // Record only charged tracks at entrance | |
3fe3a833 | 500 | gMC->CurrentVolOffID(1,copy); |
fe4da5cc | 501 | vol[2]=copy; |
3fe3a833 | 502 | gMC->CurrentVolOffID(3,copy); |
503 | vol[1]=copy; | |
504 | id=gMC->CurrentVolOffID(8,copy); | |
505 | vol[0]=copy; | |
506 | if(id==fIdFTO3) { | |
507 | vol[0]+=22; | |
508 | id=gMC->CurrentVolOffID(5,copy); | |
509 | if(id==fIdFLT3) vol[1]+=6; | |
510 | } else if (id==fIdFTO2) { | |
511 | vol[0]+=20; | |
512 | id=gMC->CurrentVolOffID(5,copy); | |
513 | if(id==fIdFLT2) vol[1]+=8; | |
514 | } else { | |
515 | id=gMC->CurrentVolOffID(5,copy); | |
516 | if(id==fIdFLT1) vol[1]+=14; | |
517 | } | |
0a6d8768 | 518 | gMC->TrackPosition(pos); |
519 | gMC->TrackMomentum(mom); | |
3fe3a833 | 520 | // |
0a6d8768 | 521 | Double_t ptot=mom.Rho(); |
522 | Double_t norm=1/ptot; | |
523 | for(i=0;i<3;++i) { | |
524 | hits[i]=pos[i]; | |
525 | hits[i+3]=mom[i]*norm; | |
526 | } | |
527 | hits[6]=ptot; | |
528 | hits[7]=pos[3]; | |
fe4da5cc | 529 | new(lhits[fNhits++]) AliTOFhit(fIshunt,gAlice->CurrentTrack(),vol,hits); |
530 | } | |
531 | } | |
937fe4a4 | 532 |