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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 | ||
f7a1cc68 | 26 | #include <TGeoGlobalMagField.h> |
88cb7938 | 27 | #include <TVirtualMC.h> |
28 | ||
45160b1f | 29 | #include "AliMC.h" |
793ff80c | 30 | #include "AliMagF.h" |
88cb7938 | 31 | #include "AliRun.h" |
030b4415 | 32 | |
793ff80c | 33 | #include "AliTRD.h" |
851d3db9 | 34 | #include "AliTRDdigitizer.h" |
88cb7938 | 35 | #include "AliTRDdigitsManager.h" |
bd0f8685 | 36 | #include "AliTRDgeometry.h" |
88cb7938 | 37 | #include "AliTRDhit.h" |
b864d801 | 38 | #include "AliTRDrawData.h" |
3551db50 | 39 | #include "AliTRDSimParam.h" |
89ba6aa1 | 40 | #include "TTreeStream.h" |
3551db50 | 41 | |
fe4da5cc | 42 | ClassImp(AliTRD) |
43 | ||
44 | //_____________________________________________________________________________ | |
45 | AliTRD::AliTRD() | |
030b4415 | 46 | :AliDetector() |
47 | ,fGeometry(0) | |
48 | ,fGasDensity(0) | |
49 | ,fFoilDensity(0) | |
f2979d08 | 50 | ,fGasNobleFraction(0) |
89ba6aa1 | 51 | ,fDebugStream(0x0) |
fe4da5cc | 52 | { |
53 | // | |
54 | // Default constructor | |
55 | // | |
332e9569 | 56 | |
fe4da5cc | 57 | } |
58 | ||
59 | //_____________________________________________________________________________ | |
60 | AliTRD::AliTRD(const char *name, const char *title) | |
030b4415 | 61 | :AliDetector(name,title) |
62 | ,fGeometry(0) | |
63 | ,fGasDensity(0) | |
64 | ,fFoilDensity(0) | |
457b47bb | 65 | ,fGasNobleFraction(0) |
89ba6aa1 | 66 | ,fDebugStream(0x0) |
fe4da5cc | 67 | { |
68 | // | |
69 | // Standard constructor for the TRD | |
70 | // | |
71 | ||
030b4415 | 72 | // Check that FRAME is there otherwise we have no place where to put TRD |
73 | AliModule *frame = gAlice->GetModule("FRAME"); | |
8230f242 | 74 | if (!frame) { |
030b4415 | 75 | AliError("TRD needs FRAME to be present\n"); |
5c7f4665 | 76 | exit(1); |
77 | } | |
78 | ||
d37eec5e | 79 | // Define the TRD geometry |
80 | if ((frame->IsVersion() == 0) || | |
81 | (frame->IsVersion() == 1)) { | |
bd0f8685 | 82 | fGeometry = new AliTRDgeometry(); |
851d3db9 | 83 | } |
84 | else { | |
030b4415 | 85 | AliError("Could not find valid FRAME version\n"); |
851d3db9 | 86 | exit(1); |
87 | } | |
5c7f4665 | 88 | |
fe4da5cc | 89 | // Allocate the hit array |
030b4415 | 90 | fHits = new TClonesArray("AliTRDhit",405); |
5d12ce38 | 91 | gAlice->GetMCApp()->AddHitList(fHits); |
8230f242 | 92 | } |
93 | ||
99d5402e | 94 | //_____________________________________________________________________________ |
95 | AliTRD::~AliTRD() | |
96 | { | |
97 | // | |
98 | // TRD destructor | |
99 | // | |
89ba6aa1 | 100 | delete fDebugStream; |
abaf1f1d | 101 | if (fGeometry) { |
102 | delete fGeometry; | |
030b4415 | 103 | fGeometry = 0; |
abaf1f1d | 104 | } |
030b4415 | 105 | |
abaf1f1d | 106 | if (fHits) { |
107 | delete fHits; | |
030b4415 | 108 | fHits = 0; |
abaf1f1d | 109 | } |
bd0f8685 | 110 | |
5c7f4665 | 111 | } |
112 | ||
6244debe | 113 | //_____________________________________________________________________________ |
114 | void AliTRD::Hits2Digits() | |
2ab0c725 | 115 | { |
116 | // | |
117 | // Create digits | |
118 | // | |
bd0f8685 | 119 | |
be385a87 | 120 | AliTRDdigitizer digitizer("TRDdigitizer","TRD digitizer class"); |
45160b1f | 121 | AliLog::SetClassDebugLevel("TRDdigitizer",AliDebugLevel()); |
9a96f175 | 122 | |
6244debe | 123 | // Initialization |
be385a87 | 124 | digitizer.InitDetector(); |
89ba6aa1 | 125 | |
126 | TDirectory *savedir = gDirectory; | |
127 | fDebugStream = new TTreeSRedirector("TRD.SimDebug.root"); | |
128 | savedir->cd(); | |
129 | digitizer.SetDebugStream(fDebugStream); | |
130 | ||
030b4415 | 131 | if (!fLoader->TreeH()) { |
132 | fLoader->LoadHits("read"); | |
133 | } | |
85a5290f | 134 | fLoader->LoadDigits("recreate"); |
95867fd1 | 135 | |
030b4415 | 136 | AliRunLoader *runLoader = fLoader->GetRunLoader(); |
6244debe | 137 | |
85a5290f | 138 | for (Int_t iEvent = 0; iEvent < runLoader->GetNumberOfEvents(); iEvent++) { |
95867fd1 | 139 | runLoader->GetEvent(iEvent); |
140 | digitizer.Open(runLoader,iEvent); | |
be385a87 | 141 | digitizer.MakeDigits(); |
142 | digitizer.WriteDigits(); | |
6244debe | 143 | } |
144 | ||
85a5290f | 145 | fLoader->UnloadHits(); |
146 | fLoader->UnloadDigits(); | |
a328fff9 | 147 | |
6244debe | 148 | } |
149 | ||
150 | //_____________________________________________________________________________ | |
151 | void AliTRD::Hits2SDigits() | |
152 | { | |
153 | // | |
154 | // Create summable digits | |
155 | // | |
a328fff9 | 156 | |
be385a87 | 157 | AliTRDdigitizer digitizer("TRDdigitizer","TRD digitizer class"); |
6244debe | 158 | // For the summable digits |
be385a87 | 159 | digitizer.SetSDigits(kTRUE); |
45160b1f | 160 | AliLog::SetClassDebugLevel("TRDdigitizer",AliDebugLevel()); |
6244debe | 161 | |
162 | // Initialization | |
be385a87 | 163 | digitizer.InitDetector(); |
89ba6aa1 | 164 | |
165 | TDirectory *savedir = gDirectory; | |
166 | fDebugStream = new TTreeSRedirector("TRD.SimDebug.root"); | |
167 | savedir->cd(); | |
168 | digitizer.SetDebugStream(fDebugStream); | |
169 | ||
030b4415 | 170 | if (!fLoader->TreeH()) { |
171 | fLoader->LoadHits("read"); | |
172 | } | |
85a5290f | 173 | fLoader->LoadSDigits("recreate"); |
95867fd1 | 174 | |
175 | AliRunLoader *runLoader = fLoader->GetRunLoader(); | |
6244debe | 176 | |
85a5290f | 177 | for (Int_t iEvent = 0; iEvent < runLoader->GetNumberOfEvents(); iEvent++) { |
95867fd1 | 178 | runLoader->GetEvent(iEvent); |
179 | digitizer.Open(runLoader,iEvent); | |
be385a87 | 180 | digitizer.MakeDigits(); |
181 | digitizer.WriteDigits(); | |
85a5290f | 182 | } |
2ab0c725 | 183 | |
85a5290f | 184 | fLoader->UnloadHits(); |
185 | fLoader->UnloadSDigits(); | |
a328fff9 | 186 | |
187 | } | |
6244debe | 188 | |
85a5290f | 189 | //_____________________________________________________________________________ |
95867fd1 | 190 | AliDigitizer *AliTRD::CreateDigitizer(AliRunDigitizer *manager) const |
85a5290f | 191 | { |
a328fff9 | 192 | // |
193 | // Creates a new digitizer object | |
194 | // | |
195 | ||
85a5290f | 196 | return new AliTRDdigitizer(manager); |
a328fff9 | 197 | |
6244debe | 198 | } |
199 | ||
200 | //_____________________________________________________________________________ | |
201 | void AliTRD::SDigits2Digits() | |
202 | { | |
203 | // | |
204 | // Create final digits from summable digits | |
205 | // | |
206 | ||
bd0f8685 | 207 | // Create the TRD digitizer |
be385a87 | 208 | AliTRDdigitizer digitizer("TRDdigitizer","TRD digitizer class"); |
45160b1f | 209 | AliLog::SetClassDebugLevel("TRDdigitizer",AliDebugLevel()); |
99d5402e | 210 | |
abaf1f1d | 211 | // Set the parameter |
be385a87 | 212 | digitizer.SetEvent(gAlice->GetEvNumber()); |
abaf1f1d | 213 | |
214 | // Initialization | |
be385a87 | 215 | digitizer.InitDetector(); |
abaf1f1d | 216 | |
217 | // Read the s-digits via digits manager | |
be385a87 | 218 | AliTRDdigitsManager sdigitsManager; |
88cb7938 | 219 | |
45160b1f | 220 | AliLog::SetClassDebugLevel("TRDdigitisManager",AliDebugLevel()); |
be385a87 | 221 | sdigitsManager.SetSDigits(kTRUE); |
222 | sdigitsManager.CreateArrays(); | |
88cb7938 | 223 | |
030b4415 | 224 | if (!fLoader->TreeS()) { |
225 | if (fLoader->LoadSDigits("read")) { | |
226 | return; | |
227 | } | |
228 | } | |
229 | if (!fLoader->TreeS()) { | |
230 | AliError(Form("Error while reading SDigits for event %d",gAlice->GetEvNumber())); | |
231 | return; | |
232 | } | |
88cb7938 | 233 | |
be385a87 | 234 | sdigitsManager.ReadDigits(fLoader->TreeS()); |
abaf1f1d | 235 | |
236 | // Add the s-digits to the input list | |
be385a87 | 237 | digitizer.AddSDigitsManager(&sdigitsManager); |
99d5402e | 238 | |
abaf1f1d | 239 | // Convert the s-digits to normal digits |
be385a87 | 240 | digitizer.SDigits2Digits(); |
abaf1f1d | 241 | |
242 | // Store the digits | |
030b4415 | 243 | if (!fLoader->TreeD()) { |
244 | fLoader->MakeTree("D"); | |
245 | } | |
be385a87 | 246 | if (digitizer.MakeBranch(fLoader->TreeD())){ |
247 | digitizer.WriteDigits(); | |
abaf1f1d | 248 | } |
99d5402e | 249 | |
250 | } | |
251 | ||
b864d801 | 252 | //_____________________________________________________________________________ |
253 | void AliTRD::Digits2Raw() | |
254 | { | |
255 | // | |
030b4415 | 256 | // Convert digits of the current event to raw data |
b864d801 | 257 | // |
258 | ||
259 | fLoader->LoadDigits(); | |
030b4415 | 260 | TTree *digits = fLoader->TreeD(); |
b864d801 | 261 | if (!digits) { |
030b4415 | 262 | AliError("No digits tree"); |
b864d801 | 263 | return; |
264 | } | |
265 | ||
266 | AliTRDrawData rawWriter; | |
b864d801 | 267 | if (!rawWriter.Digits2Raw(digits)) { |
030b4415 | 268 | AliError("The raw writer could not load the digits tree"); |
b864d801 | 269 | } |
270 | ||
271 | fLoader->UnloadDigits(); | |
272 | ||
273 | } | |
274 | ||
fe4da5cc | 275 | //_____________________________________________________________________________ |
332e9569 | 276 | void AliTRD::AddHit(Int_t track, Int_t det, Float_t *hits, Int_t q |
2fa01832 | 277 | , Float_t time, Bool_t inDrift) |
fe4da5cc | 278 | { |
279 | // | |
280 | // Add a hit for the TRD | |
332e9569 | 281 | // |
82bbf98a | 282 | |
a328fff9 | 283 | TClonesArray &lhits = *fHits; |
2fa01832 | 284 | AliTRDhit *hit = new(lhits[fNhits++]) AliTRDhit(fIshunt |
285 | ,track | |
286 | ,det | |
287 | ,hits | |
288 | ,q | |
289 | ,time); | |
290 | ||
a328fff9 | 291 | if (inDrift) { |
292 | hit->SetDrift(); | |
332e9569 | 293 | } |
a328fff9 | 294 | else { |
295 | hit->SetAmplification(); | |
296 | } | |
030b4415 | 297 | |
a328fff9 | 298 | if (q < 0) { |
299 | hit->SetTRphoton(); | |
332e9569 | 300 | } |
82bbf98a | 301 | |
fe4da5cc | 302 | } |
fe4da5cc | 303 | |
304 | //_____________________________________________________________________________ | |
82bbf98a | 305 | void AliTRD::CreateGeometry() |
fe4da5cc | 306 | { |
82bbf98a | 307 | // |
308 | // Creates the volumes for the TRD chambers | |
309 | // | |
82bbf98a | 310 | |
311 | // Check that FRAME is there otherwise we have no place where to put the TRD | |
030b4415 | 312 | AliModule *frame = gAlice->GetModule("FRAME"); |
8230f242 | 313 | if (!frame) { |
45160b1f | 314 | AliFatal("The TRD needs the FRAME to be defined first"); |
82bbf98a | 315 | } |
d3f347ff | 316 | |
851d3db9 | 317 | fGeometry->CreateGeometry(fIdtmed->GetArray() - 1299); |
5c7f4665 | 318 | |
82bbf98a | 319 | } |
2d0eca96 | 320 | |
82bbf98a | 321 | //_____________________________________________________________________________ |
322 | void AliTRD::CreateMaterials() | |
323 | { | |
fe4da5cc | 324 | // |
325 | // Create the materials for the TRD | |
fe4da5cc | 326 | // |
327 | ||
f7a1cc68 | 328 | Int_t isxfld = ((AliMagF*)TGeoGlobalMagField::Instance()->GetField())->Integ(); |
329 | Float_t sxmgmx = ((AliMagF*)TGeoGlobalMagField::Instance()->GetField())->Max(); | |
fe4da5cc | 330 | |
d3f347ff | 331 | // For polyethilene (CH2) |
030b4415 | 332 | Float_t ape[2] = { 12.011 , 1.0079 }; |
333 | Float_t zpe[2] = { 6.0 , 1.0 }; | |
334 | Float_t wpe[2] = { 1.0 , 2.0 }; | |
335 | Float_t dpe = 0.95; | |
d3f347ff | 336 | |
d3f347ff | 337 | // For CO2 |
030b4415 | 338 | Float_t aco[2] = { 12.011 , 15.9994 }; |
339 | Float_t zco[2] = { 6.0 , 8.0 }; | |
340 | Float_t wco[2] = { 1.0 , 2.0 }; | |
f2979d08 | 341 | Float_t dco = 0.00186; // at 20C |
d3f347ff | 342 | |
343 | // For water | |
030b4415 | 344 | Float_t awa[2] = { 1.0079, 15.9994 }; |
345 | Float_t zwa[2] = { 1.0 , 8.0 }; | |
346 | Float_t wwa[2] = { 2.0 , 1.0 }; | |
347 | Float_t dwa = 1.0; | |
d3f347ff | 348 | |
db30bf0f | 349 | // For plexiglas (C5H8O2) |
030b4415 | 350 | Float_t apg[3] = { 12.011 , 1.0079, 15.9994 }; |
351 | Float_t zpg[3] = { 6.0 , 1.0 , 8.0 }; | |
352 | Float_t wpg[3] = { 5.0 , 8.0 , 2.0 }; | |
353 | Float_t dpg = 1.18; | |
08ca3951 | 354 | |
355 | // For epoxy (C18H19O3) | |
3dac2b2d | 356 | Float_t aEpoxy[3] = { 15.9994, 1.0079, 12.011 }; |
357 | Float_t zEpoxy[3] = { 8.0 , 1.0 , 6.0 }; | |
358 | Float_t wEpoxy[3] = { 3.0 , 19.0 , 18.0 }; | |
08ca3951 | 359 | Float_t dEpoxy = 1.8 ; |
360 | ||
0c5a8090 | 361 | // For Araldite, low density epoxy (C18H19O3) |
362 | Float_t aAral[3] = { 15.9994, 1.0079, 12.011 }; | |
363 | Float_t zAral[3] = { 8.0 , 1.0 , 6.0 }; | |
364 | Float_t wAral[3] = { 3.0 , 19.0 , 18.0 }; | |
365 | Float_t dAral = 1.05; | |
366 | ||
08ca3951 | 367 | // For air |
3dac2b2d | 368 | Float_t aAir[4] = { 12.011 , 14.0 , 15.9994 , 36.0 }; |
369 | Float_t zAir[4] = { 6.0 , 7.0 , 8.0 , 18.0 }; | |
370 | Float_t wAir[4] = { 0.000124, 0.755267, 0.231781, 0.012827 }; | |
0c5a8090 | 371 | Float_t dAir = 1.20479e-03; |
08ca3951 | 372 | |
373 | // For G10 | |
3dac2b2d | 374 | Float_t aG10[4] = { 1.0079 , 12.011 , 15.9994 , 28.086 }; |
375 | Float_t zG10[4] = { 1.0 , 6.0 , 8.0 , 14.0 }; | |
376 | Float_t wG10[4] = { 0.15201 , 0.10641 , 0.49444 , 0.24714 }; | |
08ca3951 | 377 | Float_t dG10 = 1.7; |
db30bf0f | 378 | |
d3f347ff | 379 | // For Xe/CO2-gas-mixture |
3dac2b2d | 380 | Float_t aXeCO2[3] = { 131.29 , 12.0107 , 15.9994 }; |
381 | Float_t zXeCO2[3] = { 54.0 , 6.0 , 8.0 }; | |
330bfc2f | 382 | Float_t wXeCO2[3] = { 8.5 , 1.5 , 3.0 }; |
db30bf0f | 383 | // Xe-content of the Xe/CO2-mixture (85% / 15%) |
3dac2b2d | 384 | Float_t fxc = 0.85; |
f2979d08 | 385 | Float_t dxe = 0.00549; // at 20C |
386 | Float_t dgmXe = fxc * dxe + (1.0 - fxc) * dco; | |
387 | ||
388 | // For Ar/CO2-gas-mixture | |
389 | Float_t aArCO2[3] = { 39.948 , 12.0107 , 15.9994 }; | |
390 | Float_t zArCO2[3] = { 18.0 , 6.0 , 8.0 }; | |
391 | Float_t wArCO2[3] = { 8.2 , 1.8 , 3.6 }; | |
392 | // Ar-content of the Ar/CO2-mixture (82% / 18%) | |
393 | Float_t fac = 0.82; | |
394 | Float_t dar = 0.00166; // at 20C | |
395 | Float_t dgmAr = fac * dar + (1.0 - fac) * dco; | |
fe4da5cc | 396 | |
d3f347ff | 397 | // General tracking parameter |
030b4415 | 398 | Float_t tmaxfd = -10.0; |
399 | Float_t stemax = -1.0e10; | |
400 | Float_t deemax = -0.1; | |
401 | Float_t epsil = 1.0e-4; | |
402 | Float_t stmin = -0.001; | |
fe4da5cc | 403 | |
d3f347ff | 404 | ////////////////////////////////////////////////////////////////////////// |
fe4da5cc | 405 | // Define Materials |
d3f347ff | 406 | ////////////////////////////////////////////////////////////////////////// |
407 | ||
16bf9884 | 408 | AliMaterial( 1, "Al" , 26.98, 13.0, 2.7 , 8.9 , 37.2); |
3dac2b2d | 409 | AliMaterial( 4, "Xe" , 131.29, 54.0, dxe , 1546.16, 0.0); |
16bf9884 | 410 | AliMaterial( 5, "Cu" , 63.54, 29.0, 8.96 , 1.43, 14.8); |
411 | AliMaterial( 6, "C" , 12.01, 6.0, 2.265 , 18.8 , 74.4); | |
16bf9884 | 412 | AliMaterial(15, "Sn" , 118.71, 50.0, 7.31 , 1.21, 14.8); |
413 | AliMaterial(16, "Si" , 28.09, 14.0, 2.33 , 9.36, 37.2); | |
0c5a8090 | 414 | AliMaterial(18, "Fe" , 55.85, 26.0, 7.87 , 1.76, 14.8); |
d3f347ff | 415 | |
416 | // Mixtures | |
3dac2b2d | 417 | AliMixture(2, "Air" , aAir, zAir, dAir, 4, wAir ); |
418 | AliMixture(3, "Polyethilene", ape, zpe, dpe, -2, wpe ); | |
3dac2b2d | 419 | AliMixture(8, "CO2", aco, zco, dco, -2, wco ); |
f2979d08 | 420 | if (AliTRDSimParam::Instance()->IsXenon()) { |
421 | AliMixture(10,"XeCO2", aXeCO2, zXeCO2, dgmXe, -3, wXeCO2); | |
422 | } | |
423 | else if (AliTRDSimParam::Instance()->IsArgon()) { | |
424 | AliInfo("Gas mixture: Ar C02 (80/20)"); | |
425 | AliMixture(10,"ArCO2", aArCO2, zArCO2, dgmAr, -3, wArCO2); | |
426 | } | |
427 | else { | |
428 | AliFatal("Wrong gas mixture"); | |
429 | exit(1); | |
430 | } | |
3dac2b2d | 431 | AliMixture(12,"G10", aG10, zG10, dG10, 4, wG10 ); |
432 | AliMixture(13,"Water", awa, zwa, dwa, -2, wwa ); | |
433 | AliMixture(14,"Plexiglas", apg, zpg, dpg, -3, wpg ); | |
434 | AliMixture(17,"Epoxy", aEpoxy, zEpoxy, dEpoxy, -3, wEpoxy); | |
0c5a8090 | 435 | AliMixture(19,"Araldite", aAral, zAral, dAral, -3, wAral ); |
3dac2b2d | 436 | |
d3f347ff | 437 | ////////////////////////////////////////////////////////////////////////// |
fe4da5cc | 438 | // Tracking Media Parameters |
d3f347ff | 439 | ////////////////////////////////////////////////////////////////////////// |
440 | ||
441 | // Al Frame | |
0c5a8090 | 442 | AliMedium( 1,"Al Frame" , 1,0,isxfld,sxmgmx |
443 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
d3f347ff | 444 | // Air |
0c5a8090 | 445 | AliMedium( 2,"Air" , 2,0,isxfld,sxmgmx |
446 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
447 | // Wires | |
448 | AliMedium( 3,"Wires" , 5,0,isxfld,sxmgmx | |
449 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
450 | // All other ROB materials (caps, etc.) | |
451 | AliMedium( 4,"ROB Other" , 5,0,isxfld,sxmgmx | |
452 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
d3f347ff | 453 | // Cu pads |
0c5a8090 | 454 | AliMedium( 5,"Padplane" , 5,1,isxfld,sxmgmx |
455 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
d3f347ff | 456 | // Fee + cables |
0c5a8090 | 457 | AliMedium( 6,"Readout" , 5,0,isxfld,sxmgmx |
458 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
d3f347ff | 459 | // C frame |
0c5a8090 | 460 | AliMedium( 7,"C Frame" , 6,0,isxfld,sxmgmx |
461 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
462 | // INOX of cooling bus bars | |
463 | AliMedium( 8,"Cooling bus",18,0,isxfld,sxmgmx | |
464 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
3dac2b2d | 465 | // Gas-mixture (Xe/CO2) |
0c5a8090 | 466 | AliMedium( 9,"Gas-mix" ,10,1,isxfld,sxmgmx |
467 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
468 | // Nomex-honeycomb | |
469 | AliMedium(10,"Nomex" ,12,0,isxfld,sxmgmx | |
470 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
471 | // Araldite glue | |
472 | AliMedium(11,"Glue" ,19,0,isxfld,sxmgmx | |
473 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
d3f347ff | 474 | // G10-plates |
0c5a8090 | 475 | AliMedium(13,"G10-plates" ,12,0,isxfld,sxmgmx |
476 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
d3f347ff | 477 | // Cooling water |
0c5a8090 | 478 | AliMedium(14,"Water" ,13,0,isxfld,sxmgmx |
479 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
db30bf0f | 480 | // Rohacell (plexiglas) for the radiator |
0c5a8090 | 481 | AliMedium(15,"Rohacell" ,14,0,isxfld,sxmgmx |
482 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
16bf9884 | 483 | // Al layer in MCMs |
0c5a8090 | 484 | AliMedium(16,"MCM-Al" , 1,0,isxfld,sxmgmx |
485 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
16bf9884 | 486 | // Sn layer in MCMs |
0c5a8090 | 487 | AliMedium(17,"MCM-Sn" ,15,0,isxfld,sxmgmx |
488 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
16bf9884 | 489 | // Cu layer in MCMs |
0c5a8090 | 490 | AliMedium(18,"MCM-Cu" , 5,0,isxfld,sxmgmx |
491 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
16bf9884 | 492 | // G10 layer in MCMs |
0c5a8090 | 493 | AliMedium(19,"MCM-G10" ,12,0,isxfld,sxmgmx |
494 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
16bf9884 | 495 | // Si in readout chips |
0c5a8090 | 496 | AliMedium(20,"Chip-Si" ,16,0,isxfld,sxmgmx |
497 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
16bf9884 | 498 | // Epoxy in readout chips |
0c5a8090 | 499 | AliMedium(21,"Chip-Ep" ,17,0,isxfld,sxmgmx |
500 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
16bf9884 | 501 | // PE in connectors |
0c5a8090 | 502 | AliMedium(22,"Conn-PE" , 3,0,isxfld,sxmgmx |
503 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
16bf9884 | 504 | // Cu in connectors |
0c5a8090 | 505 | AliMedium(23,"Chip-Cu" , 5,0,isxfld,sxmgmx |
506 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
16bf9884 | 507 | // Al of cooling pipes |
0c5a8090 | 508 | AliMedium(24,"Cooling" , 1,0,isxfld,sxmgmx |
509 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
73ae7b59 | 510 | // Cu in services |
0c5a8090 | 511 | AliMedium(25,"Serv-Cu" , 5,0,isxfld,sxmgmx |
512 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
d3f347ff | 513 | |
793ff80c | 514 | // Save the density values for the TRD absorbtion |
0c5a8090 | 515 | Float_t dmy = 1.39; |
793ff80c | 516 | fFoilDensity = dmy; |
f2979d08 | 517 | if (AliTRDSimParam::Instance()->IsXenon()) { |
518 | fGasDensity = dgmXe; | |
519 | fGasNobleFraction = fxc; | |
520 | } | |
521 | else if (AliTRDSimParam::Instance()->IsArgon()) { | |
522 | fGasDensity = dgmAr; | |
523 | fGasNobleFraction = fac; | |
524 | } | |
793ff80c | 525 | |
fe4da5cc | 526 | } |
fe4da5cc | 527 | |
528 | //_____________________________________________________________________________ | |
529 | void AliTRD::Init() | |
530 | { | |
531 | // | |
851d3db9 | 532 | // Initialize the TRD detector after the geometry has been created |
fe4da5cc | 533 | // |
82bbf98a | 534 | |
45160b1f | 535 | AliDebug(1,"++++++++++++++++++++++++++++++++++++++++++++++"); |
5c7f4665 | 536 | |
bd0f8685 | 537 | if (fGeometry->IsVersion() != 1) { |
45160b1f | 538 | AliError("Not a valid geometry"); |
d37eec5e | 539 | } |
5f06bf41 | 540 | |
7235aed2 | 541 | // Special tracking options for charged particles for XeCO2 |
5f06bf41 | 542 | gMC->Gstpar((* fIdtmed)[9],"DRAY" , 1.0); |
543 | gMC->Gstpar((* fIdtmed)[9],"STRA" , 1.0); | |
544 | gMC->Gstpar((* fIdtmed)[9],"LOSS" ,13.0); // Specific energy loss | |
89ba6aa1 | 545 | // Parameters related to Fluka MC machine |
546 | //gMC->Gstpar((* fIdtmed)[9],"PRIMIO_E",23.53); // 1st ionisation potential | |
547 | //gMC->Gstpar((* fIdtmed)[9],"PRIMIO_N",19.344431); // Number of primaries | |
5f06bf41 | 548 | |
5c7f4665 | 549 | } |
550 | ||
6244debe | 551 | //_____________________________________________________________________________ |
552 | void AliTRD::ResetDigits() | |
553 | { | |
554 | // | |
abaf1f1d | 555 | // Reset number of digits and the digits array for this detector |
6244debe | 556 | // |
557 | ||
abaf1f1d | 558 | fNdigits = 0; |
030b4415 | 559 | |
560 | if (fDigits) { | |
561 | fDigits->Clear(); | |
562 | } | |
6244debe | 563 | |
564 | } | |
565 | ||
5c7f4665 | 566 | //_____________________________________________________________________________ |
567 | void AliTRD::SetTreeAddress() | |
568 | { | |
569 | // | |
570 | // Set the branch addresses for the trees. | |
571 | // | |
572 | ||
030b4415 | 573 | if (fLoader->TreeH() && |
574 | (fHits == 0x0)) { | |
a328fff9 | 575 | fHits = new TClonesArray("AliTRDhit",405); |
332e9569 | 576 | } |
a328fff9 | 577 | AliDetector::SetTreeAddress(); |
332e9569 | 578 | |
fe4da5cc | 579 | } |
580 | ||
68119ad1 | 581 | //_____________________________________________________________________________ |
582 | Bool_t AliTRD::Raw2SDigits(AliRawReader *rawReader) | |
583 | { | |
584 | // | |
585 | // Converts RAW data to SDigits | |
586 | // | |
587 | ||
588 | AliLoader *loader = fRunLoader->GetLoader("TRDLoader"); | |
589 | if (!loader) { | |
590 | AliError("Can not get TRD loader from Run Loader"); | |
591 | return kFALSE; | |
592 | } | |
593 | ||
594 | TTree *tree = 0; | |
595 | tree = loader->TreeS(); | |
596 | if (!tree) { | |
597 | loader->MakeTree("S"); | |
598 | tree = loader->TreeS(); | |
599 | } | |
600 | ||
601 | AliTRDrawData *rawdata = new AliTRDrawData(); | |
602 | AliTRDdigitsManager *sdigitsManager = rawdata->Raw2Digits(rawReader); | |
603 | if (sdigitsManager) { | |
604 | sdigitsManager->SetSDigits(kTRUE); | |
605 | sdigitsManager->MakeBranch(tree); | |
606 | sdigitsManager->WriteDigits(); | |
607 | return kTRUE; | |
608 | } | |
609 | else { | |
610 | return kFALSE; | |
611 | } | |
612 | ||
613 | } | |
614 | ||
9c7c9ec1 | 615 | //_____________________________________________________________________________ |
616 | AliLoader* AliTRD::MakeLoader(const char* topfoldername) | |
617 | { | |
618 | fLoader = new AliLoader(GetName(),topfoldername); | |
619 | ||
620 | AliInfo("Adding Tracklets-loader"); | |
621 | AliDataLoader *dl = new AliDataLoader("TRD.Tracklets.root","tracklets", "tracklets"); | |
622 | fLoader->AddDataLoader(dl); | |
623 | ||
624 | return fLoader; | |
625 | } | |
626 | ||
dd9a6ee3 | 627 | //_____________________________________________________________________________ |
628 | AliTRD &AliTRD::operator=(const AliTRD &trd) | |
629 | { | |
630 | // | |
631 | // Assignment operator | |
632 | // | |
633 | ||
0c5a8090 | 634 | if (this != &trd) { |
635 | ((AliTRD &) trd).Copy(*this); | |
636 | } | |
030b4415 | 637 | |
dd9a6ee3 | 638 | return *this; |
639 | ||
68119ad1 | 640 | } |