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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 | ||
88cb7938 | 16 | /* $Id$ */ |
4c039060 | 17 | |
fe4da5cc | 18 | /////////////////////////////////////////////////////////////////////////////// |
19 | // // | |
20 | // Transition Radiation Detector // | |
21 | // This class contains the basic functions for the Transition Radiation // | |
6f1e466d | 22 | // Detector. // |
fe4da5cc | 23 | // // |
24 | /////////////////////////////////////////////////////////////////////////////// | |
25 | ||
88cb7938 | 26 | #include <TVirtualMC.h> |
27 | ||
45160b1f | 28 | #include "AliMC.h" |
793ff80c | 29 | #include "AliMagF.h" |
88cb7938 | 30 | #include "AliRun.h" |
030b4415 | 31 | |
793ff80c | 32 | #include "AliTRD.h" |
851d3db9 | 33 | #include "AliTRDdigitizer.h" |
88cb7938 | 34 | #include "AliTRDdigitsManager.h" |
bd0f8685 | 35 | #include "AliTRDgeometry.h" |
88cb7938 | 36 | #include "AliTRDhit.h" |
b864d801 | 37 | #include "AliTRDrawData.h" |
3551db50 | 38 | #include "AliTRDSimParam.h" |
3551db50 | 39 | |
fe4da5cc | 40 | ClassImp(AliTRD) |
41 | ||
42 | //_____________________________________________________________________________ | |
43 | AliTRD::AliTRD() | |
030b4415 | 44 | :AliDetector() |
45 | ,fGeometry(0) | |
46 | ,fGasDensity(0) | |
47 | ,fFoilDensity(0) | |
f2979d08 | 48 | ,fGasNobleFraction(0) |
fe4da5cc | 49 | { |
50 | // | |
51 | // Default constructor | |
52 | // | |
332e9569 | 53 | |
fe4da5cc | 54 | } |
55 | ||
56 | //_____________________________________________________________________________ | |
57 | AliTRD::AliTRD(const char *name, const char *title) | |
030b4415 | 58 | :AliDetector(name,title) |
59 | ,fGeometry(0) | |
60 | ,fGasDensity(0) | |
61 | ,fFoilDensity(0) | |
457b47bb | 62 | ,fGasNobleFraction(0) |
fe4da5cc | 63 | { |
64 | // | |
65 | // Standard constructor for the TRD | |
66 | // | |
67 | ||
030b4415 | 68 | // Check that FRAME is there otherwise we have no place where to put TRD |
69 | AliModule *frame = gAlice->GetModule("FRAME"); | |
8230f242 | 70 | if (!frame) { |
030b4415 | 71 | AliError("TRD needs FRAME to be present\n"); |
5c7f4665 | 72 | exit(1); |
73 | } | |
74 | ||
d37eec5e | 75 | // Define the TRD geometry |
76 | if ((frame->IsVersion() == 0) || | |
77 | (frame->IsVersion() == 1)) { | |
bd0f8685 | 78 | fGeometry = new AliTRDgeometry(); |
851d3db9 | 79 | } |
80 | else { | |
030b4415 | 81 | AliError("Could not find valid FRAME version\n"); |
851d3db9 | 82 | exit(1); |
83 | } | |
5c7f4665 | 84 | |
fe4da5cc | 85 | // Allocate the hit array |
030b4415 | 86 | fHits = new TClonesArray("AliTRDhit",405); |
5d12ce38 | 87 | gAlice->GetMCApp()->AddHitList(fHits); |
99d5402e | 88 | |
8230f242 | 89 | } |
90 | ||
99d5402e | 91 | //_____________________________________________________________________________ |
92 | AliTRD::~AliTRD() | |
93 | { | |
94 | // | |
95 | // TRD destructor | |
96 | // | |
97 | ||
abaf1f1d | 98 | if (fGeometry) { |
99 | delete fGeometry; | |
030b4415 | 100 | fGeometry = 0; |
abaf1f1d | 101 | } |
030b4415 | 102 | |
abaf1f1d | 103 | if (fHits) { |
104 | delete fHits; | |
030b4415 | 105 | fHits = 0; |
abaf1f1d | 106 | } |
bd0f8685 | 107 | |
5c7f4665 | 108 | } |
109 | ||
6244debe | 110 | //_____________________________________________________________________________ |
111 | void AliTRD::Hits2Digits() | |
2ab0c725 | 112 | { |
113 | // | |
114 | // Create digits | |
115 | // | |
bd0f8685 | 116 | |
be385a87 | 117 | AliTRDdigitizer digitizer("TRDdigitizer","TRD digitizer class"); |
45160b1f | 118 | AliLog::SetClassDebugLevel("TRDdigitizer",AliDebugLevel()); |
9a96f175 | 119 | |
6244debe | 120 | // Initialization |
be385a87 | 121 | digitizer.InitDetector(); |
6244debe | 122 | |
030b4415 | 123 | if (!fLoader->TreeH()) { |
124 | fLoader->LoadHits("read"); | |
125 | } | |
85a5290f | 126 | fLoader->LoadDigits("recreate"); |
95867fd1 | 127 | |
030b4415 | 128 | AliRunLoader *runLoader = fLoader->GetRunLoader(); |
6244debe | 129 | |
85a5290f | 130 | for (Int_t iEvent = 0; iEvent < runLoader->GetNumberOfEvents(); iEvent++) { |
95867fd1 | 131 | runLoader->GetEvent(iEvent); |
132 | digitizer.Open(runLoader,iEvent); | |
be385a87 | 133 | digitizer.MakeDigits(); |
134 | digitizer.WriteDigits(); | |
6244debe | 135 | } |
136 | ||
85a5290f | 137 | fLoader->UnloadHits(); |
138 | fLoader->UnloadDigits(); | |
a328fff9 | 139 | |
6244debe | 140 | } |
141 | ||
142 | //_____________________________________________________________________________ | |
143 | void AliTRD::Hits2SDigits() | |
144 | { | |
145 | // | |
146 | // Create summable digits | |
147 | // | |
a328fff9 | 148 | |
be385a87 | 149 | AliTRDdigitizer digitizer("TRDdigitizer","TRD digitizer class"); |
6244debe | 150 | // For the summable digits |
be385a87 | 151 | digitizer.SetSDigits(kTRUE); |
45160b1f | 152 | AliLog::SetClassDebugLevel("TRDdigitizer",AliDebugLevel()); |
6244debe | 153 | |
154 | // Initialization | |
be385a87 | 155 | digitizer.InitDetector(); |
2ab0c725 | 156 | |
030b4415 | 157 | if (!fLoader->TreeH()) { |
158 | fLoader->LoadHits("read"); | |
159 | } | |
85a5290f | 160 | fLoader->LoadSDigits("recreate"); |
95867fd1 | 161 | |
162 | AliRunLoader *runLoader = fLoader->GetRunLoader(); | |
6244debe | 163 | |
85a5290f | 164 | for (Int_t iEvent = 0; iEvent < runLoader->GetNumberOfEvents(); iEvent++) { |
95867fd1 | 165 | runLoader->GetEvent(iEvent); |
166 | digitizer.Open(runLoader,iEvent); | |
be385a87 | 167 | digitizer.MakeDigits(); |
168 | digitizer.WriteDigits(); | |
85a5290f | 169 | } |
2ab0c725 | 170 | |
85a5290f | 171 | fLoader->UnloadHits(); |
172 | fLoader->UnloadSDigits(); | |
a328fff9 | 173 | |
174 | } | |
6244debe | 175 | |
85a5290f | 176 | //_____________________________________________________________________________ |
95867fd1 | 177 | AliDigitizer *AliTRD::CreateDigitizer(AliRunDigitizer *manager) const |
85a5290f | 178 | { |
a328fff9 | 179 | // |
180 | // Creates a new digitizer object | |
181 | // | |
182 | ||
85a5290f | 183 | return new AliTRDdigitizer(manager); |
a328fff9 | 184 | |
6244debe | 185 | } |
186 | ||
187 | //_____________________________________________________________________________ | |
188 | void AliTRD::SDigits2Digits() | |
189 | { | |
190 | // | |
191 | // Create final digits from summable digits | |
192 | // | |
193 | ||
bd0f8685 | 194 | // Create the TRD digitizer |
be385a87 | 195 | AliTRDdigitizer digitizer("TRDdigitizer","TRD digitizer class"); |
45160b1f | 196 | AliLog::SetClassDebugLevel("TRDdigitizer",AliDebugLevel()); |
99d5402e | 197 | |
abaf1f1d | 198 | // Set the parameter |
be385a87 | 199 | digitizer.SetEvent(gAlice->GetEvNumber()); |
abaf1f1d | 200 | |
201 | // Initialization | |
be385a87 | 202 | digitizer.InitDetector(); |
abaf1f1d | 203 | |
204 | // Read the s-digits via digits manager | |
be385a87 | 205 | AliTRDdigitsManager sdigitsManager; |
88cb7938 | 206 | |
45160b1f | 207 | AliLog::SetClassDebugLevel("TRDdigitisManager",AliDebugLevel()); |
be385a87 | 208 | sdigitsManager.SetSDigits(kTRUE); |
209 | sdigitsManager.CreateArrays(); | |
88cb7938 | 210 | |
030b4415 | 211 | if (!fLoader->TreeS()) { |
212 | if (fLoader->LoadSDigits("read")) { | |
213 | return; | |
214 | } | |
215 | } | |
216 | if (!fLoader->TreeS()) { | |
217 | AliError(Form("Error while reading SDigits for event %d",gAlice->GetEvNumber())); | |
218 | return; | |
219 | } | |
88cb7938 | 220 | |
be385a87 | 221 | sdigitsManager.ReadDigits(fLoader->TreeS()); |
abaf1f1d | 222 | |
223 | // Add the s-digits to the input list | |
be385a87 | 224 | digitizer.AddSDigitsManager(&sdigitsManager); |
99d5402e | 225 | |
abaf1f1d | 226 | // Convert the s-digits to normal digits |
be385a87 | 227 | digitizer.SDigits2Digits(); |
abaf1f1d | 228 | |
229 | // Store the digits | |
030b4415 | 230 | if (!fLoader->TreeD()) { |
231 | fLoader->MakeTree("D"); | |
232 | } | |
be385a87 | 233 | if (digitizer.MakeBranch(fLoader->TreeD())){ |
234 | digitizer.WriteDigits(); | |
abaf1f1d | 235 | } |
99d5402e | 236 | |
237 | } | |
238 | ||
b864d801 | 239 | //_____________________________________________________________________________ |
240 | void AliTRD::Digits2Raw() | |
241 | { | |
242 | // | |
030b4415 | 243 | // Convert digits of the current event to raw data |
b864d801 | 244 | // |
245 | ||
246 | fLoader->LoadDigits(); | |
030b4415 | 247 | TTree *digits = fLoader->TreeD(); |
b864d801 | 248 | if (!digits) { |
030b4415 | 249 | AliError("No digits tree"); |
b864d801 | 250 | return; |
251 | } | |
252 | ||
253 | AliTRDrawData rawWriter; | |
b864d801 | 254 | if (!rawWriter.Digits2Raw(digits)) { |
030b4415 | 255 | AliError("The raw writer could not load the digits tree"); |
b864d801 | 256 | } |
257 | ||
258 | fLoader->UnloadDigits(); | |
259 | ||
260 | } | |
261 | ||
fe4da5cc | 262 | //_____________________________________________________________________________ |
332e9569 | 263 | void AliTRD::AddHit(Int_t track, Int_t det, Float_t *hits, Int_t q |
2fa01832 | 264 | , Float_t time, Bool_t inDrift) |
fe4da5cc | 265 | { |
266 | // | |
267 | // Add a hit for the TRD | |
332e9569 | 268 | // |
82bbf98a | 269 | |
a328fff9 | 270 | TClonesArray &lhits = *fHits; |
2fa01832 | 271 | AliTRDhit *hit = new(lhits[fNhits++]) AliTRDhit(fIshunt |
272 | ,track | |
273 | ,det | |
274 | ,hits | |
275 | ,q | |
276 | ,time); | |
277 | ||
a328fff9 | 278 | if (inDrift) { |
279 | hit->SetDrift(); | |
332e9569 | 280 | } |
a328fff9 | 281 | else { |
282 | hit->SetAmplification(); | |
283 | } | |
030b4415 | 284 | |
a328fff9 | 285 | if (q < 0) { |
286 | hit->SetTRphoton(); | |
332e9569 | 287 | } |
82bbf98a | 288 | |
fe4da5cc | 289 | } |
fe4da5cc | 290 | |
291 | //_____________________________________________________________________________ | |
82bbf98a | 292 | void AliTRD::CreateGeometry() |
fe4da5cc | 293 | { |
82bbf98a | 294 | // |
295 | // Creates the volumes for the TRD chambers | |
296 | // | |
82bbf98a | 297 | |
298 | // Check that FRAME is there otherwise we have no place where to put the TRD | |
030b4415 | 299 | AliModule *frame = gAlice->GetModule("FRAME"); |
8230f242 | 300 | if (!frame) { |
45160b1f | 301 | AliFatal("The TRD needs the FRAME to be defined first"); |
82bbf98a | 302 | } |
d3f347ff | 303 | |
851d3db9 | 304 | fGeometry->CreateGeometry(fIdtmed->GetArray() - 1299); |
5c7f4665 | 305 | |
82bbf98a | 306 | } |
2d0eca96 | 307 | |
82bbf98a | 308 | //_____________________________________________________________________________ |
309 | void AliTRD::CreateMaterials() | |
310 | { | |
fe4da5cc | 311 | // |
312 | // Create the materials for the TRD | |
fe4da5cc | 313 | // |
314 | ||
8230f242 | 315 | Int_t isxfld = gAlice->Field()->Integ(); |
316 | Float_t sxmgmx = gAlice->Field()->Max(); | |
fe4da5cc | 317 | |
d3f347ff | 318 | // For polyethilene (CH2) |
030b4415 | 319 | Float_t ape[2] = { 12.011 , 1.0079 }; |
320 | Float_t zpe[2] = { 6.0 , 1.0 }; | |
321 | Float_t wpe[2] = { 1.0 , 2.0 }; | |
322 | Float_t dpe = 0.95; | |
d3f347ff | 323 | |
d3f347ff | 324 | // For CO2 |
030b4415 | 325 | Float_t aco[2] = { 12.011 , 15.9994 }; |
326 | Float_t zco[2] = { 6.0 , 8.0 }; | |
327 | Float_t wco[2] = { 1.0 , 2.0 }; | |
f2979d08 | 328 | Float_t dco = 0.00186; // at 20C |
d3f347ff | 329 | |
330 | // For water | |
030b4415 | 331 | Float_t awa[2] = { 1.0079, 15.9994 }; |
332 | Float_t zwa[2] = { 1.0 , 8.0 }; | |
333 | Float_t wwa[2] = { 2.0 , 1.0 }; | |
334 | Float_t dwa = 1.0; | |
d3f347ff | 335 | |
db30bf0f | 336 | // For plexiglas (C5H8O2) |
030b4415 | 337 | Float_t apg[3] = { 12.011 , 1.0079, 15.9994 }; |
338 | Float_t zpg[3] = { 6.0 , 1.0 , 8.0 }; | |
339 | Float_t wpg[3] = { 5.0 , 8.0 , 2.0 }; | |
340 | Float_t dpg = 1.18; | |
08ca3951 | 341 | |
342 | // For epoxy (C18H19O3) | |
3dac2b2d | 343 | Float_t aEpoxy[3] = { 15.9994, 1.0079, 12.011 }; |
344 | Float_t zEpoxy[3] = { 8.0 , 1.0 , 6.0 }; | |
345 | Float_t wEpoxy[3] = { 3.0 , 19.0 , 18.0 }; | |
08ca3951 | 346 | Float_t dEpoxy = 1.8 ; |
347 | ||
0c5a8090 | 348 | // For Araldite, low density epoxy (C18H19O3) |
349 | Float_t aAral[3] = { 15.9994, 1.0079, 12.011 }; | |
350 | Float_t zAral[3] = { 8.0 , 1.0 , 6.0 }; | |
351 | Float_t wAral[3] = { 3.0 , 19.0 , 18.0 }; | |
352 | Float_t dAral = 1.05; | |
353 | ||
08ca3951 | 354 | // For air |
3dac2b2d | 355 | Float_t aAir[4] = { 12.011 , 14.0 , 15.9994 , 36.0 }; |
356 | Float_t zAir[4] = { 6.0 , 7.0 , 8.0 , 18.0 }; | |
357 | Float_t wAir[4] = { 0.000124, 0.755267, 0.231781, 0.012827 }; | |
0c5a8090 | 358 | Float_t dAir = 1.20479e-03; |
08ca3951 | 359 | |
360 | // For G10 | |
3dac2b2d | 361 | Float_t aG10[4] = { 1.0079 , 12.011 , 15.9994 , 28.086 }; |
362 | Float_t zG10[4] = { 1.0 , 6.0 , 8.0 , 14.0 }; | |
363 | Float_t wG10[4] = { 0.15201 , 0.10641 , 0.49444 , 0.24714 }; | |
08ca3951 | 364 | Float_t dG10 = 1.7; |
db30bf0f | 365 | |
d3f347ff | 366 | // For Xe/CO2-gas-mixture |
3dac2b2d | 367 | Float_t aXeCO2[3] = { 131.29 , 12.0107 , 15.9994 }; |
368 | Float_t zXeCO2[3] = { 54.0 , 6.0 , 8.0 }; | |
330bfc2f | 369 | Float_t wXeCO2[3] = { 8.5 , 1.5 , 3.0 }; |
db30bf0f | 370 | // Xe-content of the Xe/CO2-mixture (85% / 15%) |
3dac2b2d | 371 | Float_t fxc = 0.85; |
f2979d08 | 372 | Float_t dxe = 0.00549; // at 20C |
373 | Float_t dgmXe = fxc * dxe + (1.0 - fxc) * dco; | |
374 | ||
375 | // For Ar/CO2-gas-mixture | |
376 | Float_t aArCO2[3] = { 39.948 , 12.0107 , 15.9994 }; | |
377 | Float_t zArCO2[3] = { 18.0 , 6.0 , 8.0 }; | |
378 | Float_t wArCO2[3] = { 8.2 , 1.8 , 3.6 }; | |
379 | // Ar-content of the Ar/CO2-mixture (82% / 18%) | |
380 | Float_t fac = 0.82; | |
381 | Float_t dar = 0.00166; // at 20C | |
382 | Float_t dgmAr = fac * dar + (1.0 - fac) * dco; | |
fe4da5cc | 383 | |
d3f347ff | 384 | // General tracking parameter |
030b4415 | 385 | Float_t tmaxfd = -10.0; |
386 | Float_t stemax = -1.0e10; | |
387 | Float_t deemax = -0.1; | |
388 | Float_t epsil = 1.0e-4; | |
389 | Float_t stmin = -0.001; | |
fe4da5cc | 390 | |
d3f347ff | 391 | ////////////////////////////////////////////////////////////////////////// |
fe4da5cc | 392 | // Define Materials |
d3f347ff | 393 | ////////////////////////////////////////////////////////////////////////// |
394 | ||
16bf9884 | 395 | AliMaterial( 1, "Al" , 26.98, 13.0, 2.7 , 8.9 , 37.2); |
3dac2b2d | 396 | AliMaterial( 4, "Xe" , 131.29, 54.0, dxe , 1546.16, 0.0); |
16bf9884 | 397 | AliMaterial( 5, "Cu" , 63.54, 29.0, 8.96 , 1.43, 14.8); |
398 | AliMaterial( 6, "C" , 12.01, 6.0, 2.265 , 18.8 , 74.4); | |
16bf9884 | 399 | AliMaterial(15, "Sn" , 118.71, 50.0, 7.31 , 1.21, 14.8); |
400 | AliMaterial(16, "Si" , 28.09, 14.0, 2.33 , 9.36, 37.2); | |
0c5a8090 | 401 | AliMaterial(18, "Fe" , 55.85, 26.0, 7.87 , 1.76, 14.8); |
d3f347ff | 402 | |
403 | // Mixtures | |
3dac2b2d | 404 | AliMixture(2, "Air" , aAir, zAir, dAir, 4, wAir ); |
405 | AliMixture(3, "Polyethilene", ape, zpe, dpe, -2, wpe ); | |
3dac2b2d | 406 | AliMixture(8, "CO2", aco, zco, dco, -2, wco ); |
f2979d08 | 407 | if (AliTRDSimParam::Instance()->IsXenon()) { |
408 | AliMixture(10,"XeCO2", aXeCO2, zXeCO2, dgmXe, -3, wXeCO2); | |
409 | } | |
410 | else if (AliTRDSimParam::Instance()->IsArgon()) { | |
411 | AliInfo("Gas mixture: Ar C02 (80/20)"); | |
412 | AliMixture(10,"ArCO2", aArCO2, zArCO2, dgmAr, -3, wArCO2); | |
413 | } | |
414 | else { | |
415 | AliFatal("Wrong gas mixture"); | |
416 | exit(1); | |
417 | } | |
3dac2b2d | 418 | AliMixture(12,"G10", aG10, zG10, dG10, 4, wG10 ); |
419 | AliMixture(13,"Water", awa, zwa, dwa, -2, wwa ); | |
420 | AliMixture(14,"Plexiglas", apg, zpg, dpg, -3, wpg ); | |
421 | AliMixture(17,"Epoxy", aEpoxy, zEpoxy, dEpoxy, -3, wEpoxy); | |
0c5a8090 | 422 | AliMixture(19,"Araldite", aAral, zAral, dAral, -3, wAral ); |
3dac2b2d | 423 | |
d3f347ff | 424 | ////////////////////////////////////////////////////////////////////////// |
fe4da5cc | 425 | // Tracking Media Parameters |
d3f347ff | 426 | ////////////////////////////////////////////////////////////////////////// |
427 | ||
428 | // Al Frame | |
0c5a8090 | 429 | AliMedium( 1,"Al Frame" , 1,0,isxfld,sxmgmx |
430 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
d3f347ff | 431 | // Air |
0c5a8090 | 432 | AliMedium( 2,"Air" , 2,0,isxfld,sxmgmx |
433 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
434 | // Wires | |
435 | AliMedium( 3,"Wires" , 5,0,isxfld,sxmgmx | |
436 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
437 | // All other ROB materials (caps, etc.) | |
438 | AliMedium( 4,"ROB Other" , 5,0,isxfld,sxmgmx | |
439 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
d3f347ff | 440 | // Cu pads |
0c5a8090 | 441 | AliMedium( 5,"Padplane" , 5,1,isxfld,sxmgmx |
442 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
d3f347ff | 443 | // Fee + cables |
0c5a8090 | 444 | AliMedium( 6,"Readout" , 5,0,isxfld,sxmgmx |
445 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
d3f347ff | 446 | // C frame |
0c5a8090 | 447 | AliMedium( 7,"C Frame" , 6,0,isxfld,sxmgmx |
448 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
449 | // INOX of cooling bus bars | |
450 | AliMedium( 8,"Cooling bus",18,0,isxfld,sxmgmx | |
451 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
3dac2b2d | 452 | // Gas-mixture (Xe/CO2) |
0c5a8090 | 453 | AliMedium( 9,"Gas-mix" ,10,1,isxfld,sxmgmx |
454 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
455 | // Nomex-honeycomb | |
456 | AliMedium(10,"Nomex" ,12,0,isxfld,sxmgmx | |
457 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
458 | // Araldite glue | |
459 | AliMedium(11,"Glue" ,19,0,isxfld,sxmgmx | |
460 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
d3f347ff | 461 | // G10-plates |
0c5a8090 | 462 | AliMedium(13,"G10-plates" ,12,0,isxfld,sxmgmx |
463 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
d3f347ff | 464 | // Cooling water |
0c5a8090 | 465 | AliMedium(14,"Water" ,13,0,isxfld,sxmgmx |
466 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
db30bf0f | 467 | // Rohacell (plexiglas) for the radiator |
0c5a8090 | 468 | AliMedium(15,"Rohacell" ,14,0,isxfld,sxmgmx |
469 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
16bf9884 | 470 | // Al layer in MCMs |
0c5a8090 | 471 | AliMedium(16,"MCM-Al" , 1,0,isxfld,sxmgmx |
472 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
16bf9884 | 473 | // Sn layer in MCMs |
0c5a8090 | 474 | AliMedium(17,"MCM-Sn" ,15,0,isxfld,sxmgmx |
475 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
16bf9884 | 476 | // Cu layer in MCMs |
0c5a8090 | 477 | AliMedium(18,"MCM-Cu" , 5,0,isxfld,sxmgmx |
478 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
16bf9884 | 479 | // G10 layer in MCMs |
0c5a8090 | 480 | AliMedium(19,"MCM-G10" ,12,0,isxfld,sxmgmx |
481 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
16bf9884 | 482 | // Si in readout chips |
0c5a8090 | 483 | AliMedium(20,"Chip-Si" ,16,0,isxfld,sxmgmx |
484 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
16bf9884 | 485 | // Epoxy in readout chips |
0c5a8090 | 486 | AliMedium(21,"Chip-Ep" ,17,0,isxfld,sxmgmx |
487 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
16bf9884 | 488 | // PE in connectors |
0c5a8090 | 489 | AliMedium(22,"Conn-PE" , 3,0,isxfld,sxmgmx |
490 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
16bf9884 | 491 | // Cu in connectors |
0c5a8090 | 492 | AliMedium(23,"Chip-Cu" , 5,0,isxfld,sxmgmx |
493 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
16bf9884 | 494 | // Al of cooling pipes |
0c5a8090 | 495 | AliMedium(24,"Cooling" , 1,0,isxfld,sxmgmx |
496 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
73ae7b59 | 497 | // Cu in services |
0c5a8090 | 498 | AliMedium(25,"Serv-Cu" , 5,0,isxfld,sxmgmx |
499 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
d3f347ff | 500 | |
793ff80c | 501 | // Save the density values for the TRD absorbtion |
0c5a8090 | 502 | Float_t dmy = 1.39; |
793ff80c | 503 | fFoilDensity = dmy; |
f2979d08 | 504 | if (AliTRDSimParam::Instance()->IsXenon()) { |
505 | fGasDensity = dgmXe; | |
506 | fGasNobleFraction = fxc; | |
507 | } | |
508 | else if (AliTRDSimParam::Instance()->IsArgon()) { | |
509 | fGasDensity = dgmAr; | |
510 | fGasNobleFraction = fac; | |
511 | } | |
793ff80c | 512 | |
fe4da5cc | 513 | } |
fe4da5cc | 514 | |
515 | //_____________________________________________________________________________ | |
516 | void AliTRD::Init() | |
517 | { | |
518 | // | |
851d3db9 | 519 | // Initialize the TRD detector after the geometry has been created |
fe4da5cc | 520 | // |
82bbf98a | 521 | |
45160b1f | 522 | AliDebug(1,"++++++++++++++++++++++++++++++++++++++++++++++"); |
5c7f4665 | 523 | |
bd0f8685 | 524 | if (fGeometry->IsVersion() != 1) { |
45160b1f | 525 | AliError("Not a valid geometry"); |
d37eec5e | 526 | } |
5f06bf41 | 527 | |
7235aed2 | 528 | // Special tracking options for charged particles for XeCO2 |
5f06bf41 | 529 | gMC->Gstpar((* fIdtmed)[9],"DRAY" , 1.0); |
530 | gMC->Gstpar((* fIdtmed)[9],"STRA" , 1.0); | |
531 | gMC->Gstpar((* fIdtmed)[9],"LOSS" ,13.0); // Specific energy loss | |
532 | gMC->Gstpar((* fIdtmed)[9],"PRIMIO_E",23.53); // 1st ionisation potential | |
533 | gMC->Gstpar((* fIdtmed)[9],"PRIMIO_N",19.344431); // Number of primaries | |
534 | ||
5c7f4665 | 535 | } |
536 | ||
6244debe | 537 | //_____________________________________________________________________________ |
538 | void AliTRD::ResetDigits() | |
539 | { | |
540 | // | |
abaf1f1d | 541 | // Reset number of digits and the digits array for this detector |
6244debe | 542 | // |
543 | ||
abaf1f1d | 544 | fNdigits = 0; |
030b4415 | 545 | |
546 | if (fDigits) { | |
547 | fDigits->Clear(); | |
548 | } | |
6244debe | 549 | |
550 | } | |
551 | ||
5c7f4665 | 552 | //_____________________________________________________________________________ |
553 | void AliTRD::SetTreeAddress() | |
554 | { | |
555 | // | |
556 | // Set the branch addresses for the trees. | |
557 | // | |
558 | ||
030b4415 | 559 | if (fLoader->TreeH() && |
560 | (fHits == 0x0)) { | |
a328fff9 | 561 | fHits = new TClonesArray("AliTRDhit",405); |
332e9569 | 562 | } |
a328fff9 | 563 | AliDetector::SetTreeAddress(); |
332e9569 | 564 | |
fe4da5cc | 565 | } |
566 | ||
68119ad1 | 567 | //_____________________________________________________________________________ |
568 | Bool_t AliTRD::Raw2SDigits(AliRawReader *rawReader) | |
569 | { | |
570 | // | |
571 | // Converts RAW data to SDigits | |
572 | // | |
573 | ||
574 | AliLoader *loader = fRunLoader->GetLoader("TRDLoader"); | |
575 | if (!loader) { | |
576 | AliError("Can not get TRD loader from Run Loader"); | |
577 | return kFALSE; | |
578 | } | |
579 | ||
580 | TTree *tree = 0; | |
581 | tree = loader->TreeS(); | |
582 | if (!tree) { | |
583 | loader->MakeTree("S"); | |
584 | tree = loader->TreeS(); | |
585 | } | |
586 | ||
587 | AliTRDrawData *rawdata = new AliTRDrawData(); | |
588 | AliTRDdigitsManager *sdigitsManager = rawdata->Raw2Digits(rawReader); | |
589 | if (sdigitsManager) { | |
590 | sdigitsManager->SetSDigits(kTRUE); | |
591 | sdigitsManager->MakeBranch(tree); | |
592 | sdigitsManager->WriteDigits(); | |
593 | return kTRUE; | |
594 | } | |
595 | else { | |
596 | return kFALSE; | |
597 | } | |
598 | ||
599 | } | |
600 | ||
9c7c9ec1 | 601 | //_____________________________________________________________________________ |
602 | AliLoader* AliTRD::MakeLoader(const char* topfoldername) | |
603 | { | |
604 | fLoader = new AliLoader(GetName(),topfoldername); | |
605 | ||
606 | AliInfo("Adding Tracklets-loader"); | |
607 | AliDataLoader *dl = new AliDataLoader("TRD.Tracklets.root","tracklets", "tracklets"); | |
608 | fLoader->AddDataLoader(dl); | |
609 | ||
610 | return fLoader; | |
611 | } | |
612 | ||
dd9a6ee3 | 613 | //_____________________________________________________________________________ |
614 | AliTRD &AliTRD::operator=(const AliTRD &trd) | |
615 | { | |
616 | // | |
617 | // Assignment operator | |
618 | // | |
619 | ||
0c5a8090 | 620 | if (this != &trd) { |
621 | ((AliTRD &) trd).Copy(*this); | |
622 | } | |
030b4415 | 623 | |
dd9a6ee3 | 624 | return *this; |
625 | ||
68119ad1 | 626 | } |