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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" |
a076fc2f | 39 | #include "AliTRDCommonParam.h" |
3551db50 | 40 | |
fe4da5cc | 41 | ClassImp(AliTRD) |
42 | ||
43 | //_____________________________________________________________________________ | |
44 | AliTRD::AliTRD() | |
030b4415 | 45 | :AliDetector() |
46 | ,fGeometry(0) | |
47 | ,fGasDensity(0) | |
48 | ,fFoilDensity(0) | |
f2979d08 | 49 | ,fGasNobleFraction(0) |
fe4da5cc | 50 | { |
51 | // | |
52 | // Default constructor | |
53 | // | |
332e9569 | 54 | |
fe4da5cc | 55 | } |
56 | ||
57 | //_____________________________________________________________________________ | |
58 | AliTRD::AliTRD(const char *name, const char *title) | |
030b4415 | 59 | :AliDetector(name,title) |
60 | ,fGeometry(0) | |
61 | ,fGasDensity(0) | |
62 | ,fFoilDensity(0) | |
457b47bb | 63 | ,fGasNobleFraction(0) |
fe4da5cc | 64 | { |
65 | // | |
66 | // Standard constructor for the TRD | |
67 | // | |
68 | ||
030b4415 | 69 | // Check that FRAME is there otherwise we have no place where to put TRD |
70 | AliModule *frame = gAlice->GetModule("FRAME"); | |
8230f242 | 71 | if (!frame) { |
030b4415 | 72 | AliError("TRD needs FRAME to be present\n"); |
5c7f4665 | 73 | exit(1); |
74 | } | |
75 | ||
d37eec5e | 76 | // Define the TRD geometry |
77 | if ((frame->IsVersion() == 0) || | |
78 | (frame->IsVersion() == 1)) { | |
bd0f8685 | 79 | fGeometry = new AliTRDgeometry(); |
851d3db9 | 80 | } |
81 | else { | |
030b4415 | 82 | AliError("Could not find valid FRAME version\n"); |
851d3db9 | 83 | exit(1); |
84 | } | |
5c7f4665 | 85 | |
fe4da5cc | 86 | // Allocate the hit array |
030b4415 | 87 | fHits = new TClonesArray("AliTRDhit",405); |
5d12ce38 | 88 | gAlice->GetMCApp()->AddHitList(fHits); |
e306b465 | 89 | |
8230f242 | 90 | } |
91 | ||
99d5402e | 92 | //_____________________________________________________________________________ |
93 | AliTRD::~AliTRD() | |
94 | { | |
95 | // | |
96 | // TRD destructor | |
97 | // | |
e306b465 | 98 | |
abaf1f1d | 99 | if (fGeometry) { |
100 | delete fGeometry; | |
030b4415 | 101 | fGeometry = 0; |
abaf1f1d | 102 | } |
030b4415 | 103 | |
abaf1f1d | 104 | if (fHits) { |
105 | delete fHits; | |
030b4415 | 106 | fHits = 0; |
abaf1f1d | 107 | } |
bd0f8685 | 108 | |
5c7f4665 | 109 | } |
110 | ||
6244debe | 111 | //_____________________________________________________________________________ |
112 | void AliTRD::Hits2Digits() | |
2ab0c725 | 113 | { |
114 | // | |
115 | // Create digits | |
116 | // | |
bd0f8685 | 117 | |
be385a87 | 118 | AliTRDdigitizer digitizer("TRDdigitizer","TRD digitizer class"); |
45160b1f | 119 | AliLog::SetClassDebugLevel("TRDdigitizer",AliDebugLevel()); |
9a96f175 | 120 | |
6244debe | 121 | // Initialization |
be385a87 | 122 | digitizer.InitDetector(); |
e306b465 | 123 | |
030b4415 | 124 | if (!fLoader->TreeH()) { |
125 | fLoader->LoadHits("read"); | |
126 | } | |
85a5290f | 127 | fLoader->LoadDigits("recreate"); |
95867fd1 | 128 | |
030b4415 | 129 | AliRunLoader *runLoader = fLoader->GetRunLoader(); |
6244debe | 130 | |
85a5290f | 131 | for (Int_t iEvent = 0; iEvent < runLoader->GetNumberOfEvents(); iEvent++) { |
95867fd1 | 132 | runLoader->GetEvent(iEvent); |
133 | digitizer.Open(runLoader,iEvent); | |
be385a87 | 134 | digitizer.MakeDigits(); |
135 | digitizer.WriteDigits(); | |
6244debe | 136 | } |
137 | ||
85a5290f | 138 | fLoader->UnloadHits(); |
139 | fLoader->UnloadDigits(); | |
a328fff9 | 140 | |
6244debe | 141 | } |
142 | ||
143 | //_____________________________________________________________________________ | |
144 | void AliTRD::Hits2SDigits() | |
145 | { | |
146 | // | |
147 | // Create summable digits | |
148 | // | |
a328fff9 | 149 | |
be385a87 | 150 | AliTRDdigitizer digitizer("TRDdigitizer","TRD digitizer class"); |
6244debe | 151 | // For the summable digits |
be385a87 | 152 | digitizer.SetSDigits(kTRUE); |
45160b1f | 153 | AliLog::SetClassDebugLevel("TRDdigitizer",AliDebugLevel()); |
6244debe | 154 | |
155 | // Initialization | |
be385a87 | 156 | digitizer.InitDetector(); |
e306b465 | 157 | |
030b4415 | 158 | if (!fLoader->TreeH()) { |
159 | fLoader->LoadHits("read"); | |
160 | } | |
85a5290f | 161 | fLoader->LoadSDigits("recreate"); |
95867fd1 | 162 | |
163 | AliRunLoader *runLoader = fLoader->GetRunLoader(); | |
6244debe | 164 | |
85a5290f | 165 | for (Int_t iEvent = 0; iEvent < runLoader->GetNumberOfEvents(); iEvent++) { |
95867fd1 | 166 | runLoader->GetEvent(iEvent); |
167 | digitizer.Open(runLoader,iEvent); | |
be385a87 | 168 | digitizer.MakeDigits(); |
169 | digitizer.WriteDigits(); | |
85a5290f | 170 | } |
2ab0c725 | 171 | |
85a5290f | 172 | fLoader->UnloadHits(); |
173 | fLoader->UnloadSDigits(); | |
a328fff9 | 174 | |
175 | } | |
6244debe | 176 | |
85a5290f | 177 | //_____________________________________________________________________________ |
95867fd1 | 178 | AliDigitizer *AliTRD::CreateDigitizer(AliRunDigitizer *manager) const |
85a5290f | 179 | { |
a328fff9 | 180 | // |
181 | // Creates a new digitizer object | |
182 | // | |
183 | ||
85a5290f | 184 | return new AliTRDdigitizer(manager); |
a328fff9 | 185 | |
6244debe | 186 | } |
187 | ||
188 | //_____________________________________________________________________________ | |
189 | void AliTRD::SDigits2Digits() | |
190 | { | |
191 | // | |
192 | // Create final digits from summable digits | |
193 | // | |
194 | ||
bd0f8685 | 195 | // Create the TRD digitizer |
be385a87 | 196 | AliTRDdigitizer digitizer("TRDdigitizer","TRD digitizer class"); |
45160b1f | 197 | AliLog::SetClassDebugLevel("TRDdigitizer",AliDebugLevel()); |
99d5402e | 198 | |
abaf1f1d | 199 | // Set the parameter |
be385a87 | 200 | digitizer.SetEvent(gAlice->GetEvNumber()); |
abaf1f1d | 201 | |
202 | // Initialization | |
be385a87 | 203 | digitizer.InitDetector(); |
abaf1f1d | 204 | |
205 | // Read the s-digits via digits manager | |
be385a87 | 206 | AliTRDdigitsManager sdigitsManager; |
88cb7938 | 207 | |
45160b1f | 208 | AliLog::SetClassDebugLevel("TRDdigitisManager",AliDebugLevel()); |
be385a87 | 209 | sdigitsManager.SetSDigits(kTRUE); |
210 | sdigitsManager.CreateArrays(); | |
88cb7938 | 211 | |
030b4415 | 212 | if (!fLoader->TreeS()) { |
213 | if (fLoader->LoadSDigits("read")) { | |
214 | return; | |
215 | } | |
216 | } | |
217 | if (!fLoader->TreeS()) { | |
218 | AliError(Form("Error while reading SDigits for event %d",gAlice->GetEvNumber())); | |
219 | return; | |
220 | } | |
88cb7938 | 221 | |
be385a87 | 222 | sdigitsManager.ReadDigits(fLoader->TreeS()); |
abaf1f1d | 223 | |
224 | // Add the s-digits to the input list | |
be385a87 | 225 | digitizer.AddSDigitsManager(&sdigitsManager); |
99d5402e | 226 | |
abaf1f1d | 227 | // Convert the s-digits to normal digits |
be385a87 | 228 | digitizer.SDigits2Digits(); |
abaf1f1d | 229 | |
230 | // Store the digits | |
030b4415 | 231 | if (!fLoader->TreeD()) { |
232 | fLoader->MakeTree("D"); | |
233 | } | |
be385a87 | 234 | if (digitizer.MakeBranch(fLoader->TreeD())){ |
235 | digitizer.WriteDigits(); | |
abaf1f1d | 236 | } |
99d5402e | 237 | |
238 | } | |
239 | ||
b864d801 | 240 | //_____________________________________________________________________________ |
241 | void AliTRD::Digits2Raw() | |
242 | { | |
243 | // | |
030b4415 | 244 | // Convert digits of the current event to raw data |
b864d801 | 245 | // |
246 | ||
247 | fLoader->LoadDigits(); | |
030b4415 | 248 | TTree *digits = fLoader->TreeD(); |
b864d801 | 249 | if (!digits) { |
030b4415 | 250 | AliError("No digits tree"); |
b864d801 | 251 | return; |
252 | } | |
253 | ||
254 | AliTRDrawData rawWriter; | |
b864d801 | 255 | if (!rawWriter.Digits2Raw(digits)) { |
030b4415 | 256 | AliError("The raw writer could not load the digits tree"); |
b864d801 | 257 | } |
258 | ||
259 | fLoader->UnloadDigits(); | |
260 | ||
261 | } | |
262 | ||
fe4da5cc | 263 | //_____________________________________________________________________________ |
332e9569 | 264 | void AliTRD::AddHit(Int_t track, Int_t det, Float_t *hits, Int_t q |
2fa01832 | 265 | , Float_t time, Bool_t inDrift) |
fe4da5cc | 266 | { |
267 | // | |
268 | // Add a hit for the TRD | |
332e9569 | 269 | // |
82bbf98a | 270 | |
a328fff9 | 271 | TClonesArray &lhits = *fHits; |
2fa01832 | 272 | AliTRDhit *hit = new(lhits[fNhits++]) AliTRDhit(fIshunt |
273 | ,track | |
274 | ,det | |
275 | ,hits | |
276 | ,q | |
277 | ,time); | |
278 | ||
a328fff9 | 279 | if (inDrift) { |
280 | hit->SetDrift(); | |
332e9569 | 281 | } |
a328fff9 | 282 | else { |
283 | hit->SetAmplification(); | |
284 | } | |
030b4415 | 285 | |
a328fff9 | 286 | if (q < 0) { |
287 | hit->SetTRphoton(); | |
332e9569 | 288 | } |
82bbf98a | 289 | |
fe4da5cc | 290 | } |
fe4da5cc | 291 | |
292 | //_____________________________________________________________________________ | |
82bbf98a | 293 | void AliTRD::CreateGeometry() |
fe4da5cc | 294 | { |
82bbf98a | 295 | // |
296 | // Creates the volumes for the TRD chambers | |
297 | // | |
82bbf98a | 298 | |
299 | // Check that FRAME is there otherwise we have no place where to put the TRD | |
030b4415 | 300 | AliModule *frame = gAlice->GetModule("FRAME"); |
8230f242 | 301 | if (!frame) { |
45160b1f | 302 | AliFatal("The TRD needs the FRAME to be defined first"); |
82bbf98a | 303 | } |
d3f347ff | 304 | |
851d3db9 | 305 | fGeometry->CreateGeometry(fIdtmed->GetArray() - 1299); |
5c7f4665 | 306 | |
82bbf98a | 307 | } |
2d0eca96 | 308 | |
82bbf98a | 309 | //_____________________________________________________________________________ |
310 | void AliTRD::CreateMaterials() | |
311 | { | |
fe4da5cc | 312 | // |
313 | // Create the materials for the TRD | |
fe4da5cc | 314 | // |
315 | ||
f7a1cc68 | 316 | Int_t isxfld = ((AliMagF*)TGeoGlobalMagField::Instance()->GetField())->Integ(); |
317 | Float_t sxmgmx = ((AliMagF*)TGeoGlobalMagField::Instance()->GetField())->Max(); | |
fe4da5cc | 318 | |
d3f347ff | 319 | // For polyethilene (CH2) |
030b4415 | 320 | Float_t ape[2] = { 12.011 , 1.0079 }; |
321 | Float_t zpe[2] = { 6.0 , 1.0 }; | |
322 | Float_t wpe[2] = { 1.0 , 2.0 }; | |
323 | Float_t dpe = 0.95; | |
d3f347ff | 324 | |
d3f347ff | 325 | // For CO2 |
030b4415 | 326 | Float_t aco[2] = { 12.011 , 15.9994 }; |
327 | Float_t zco[2] = { 6.0 , 8.0 }; | |
328 | Float_t wco[2] = { 1.0 , 2.0 }; | |
f2979d08 | 329 | Float_t dco = 0.00186; // at 20C |
d3f347ff | 330 | |
331 | // For water | |
030b4415 | 332 | Float_t awa[2] = { 1.0079, 15.9994 }; |
333 | Float_t zwa[2] = { 1.0 , 8.0 }; | |
334 | Float_t wwa[2] = { 2.0 , 1.0 }; | |
335 | Float_t dwa = 1.0; | |
d3f347ff | 336 | |
db30bf0f | 337 | // For plexiglas (C5H8O2) |
030b4415 | 338 | Float_t apg[3] = { 12.011 , 1.0079, 15.9994 }; |
339 | Float_t zpg[3] = { 6.0 , 1.0 , 8.0 }; | |
340 | Float_t wpg[3] = { 5.0 , 8.0 , 2.0 }; | |
341 | Float_t dpg = 1.18; | |
08ca3951 | 342 | |
343 | // For epoxy (C18H19O3) | |
3dac2b2d | 344 | Float_t aEpoxy[3] = { 15.9994, 1.0079, 12.011 }; |
345 | Float_t zEpoxy[3] = { 8.0 , 1.0 , 6.0 }; | |
346 | Float_t wEpoxy[3] = { 3.0 , 19.0 , 18.0 }; | |
08ca3951 | 347 | Float_t dEpoxy = 1.8 ; |
348 | ||
0c5a8090 | 349 | // For Araldite, low density epoxy (C18H19O3) |
350 | Float_t aAral[3] = { 15.9994, 1.0079, 12.011 }; | |
351 | Float_t zAral[3] = { 8.0 , 1.0 , 6.0 }; | |
352 | Float_t wAral[3] = { 3.0 , 19.0 , 18.0 }; | |
353 | Float_t dAral = 1.05; | |
354 | ||
08ca3951 | 355 | // For air |
3dac2b2d | 356 | Float_t aAir[4] = { 12.011 , 14.0 , 15.9994 , 36.0 }; |
357 | Float_t zAir[4] = { 6.0 , 7.0 , 8.0 , 18.0 }; | |
358 | Float_t wAir[4] = { 0.000124, 0.755267, 0.231781, 0.012827 }; | |
0c5a8090 | 359 | Float_t dAir = 1.20479e-03; |
08ca3951 | 360 | |
361 | // For G10 | |
3dac2b2d | 362 | Float_t aG10[4] = { 1.0079 , 12.011 , 15.9994 , 28.086 }; |
363 | Float_t zG10[4] = { 1.0 , 6.0 , 8.0 , 14.0 }; | |
364 | Float_t wG10[4] = { 0.15201 , 0.10641 , 0.49444 , 0.24714 }; | |
08ca3951 | 365 | Float_t dG10 = 1.7; |
db30bf0f | 366 | |
d3f347ff | 367 | // For Xe/CO2-gas-mixture |
3dac2b2d | 368 | Float_t aXeCO2[3] = { 131.29 , 12.0107 , 15.9994 }; |
369 | Float_t zXeCO2[3] = { 54.0 , 6.0 , 8.0 }; | |
330bfc2f | 370 | Float_t wXeCO2[3] = { 8.5 , 1.5 , 3.0 }; |
db30bf0f | 371 | // Xe-content of the Xe/CO2-mixture (85% / 15%) |
3dac2b2d | 372 | Float_t fxc = 0.85; |
f2979d08 | 373 | Float_t dxe = 0.00549; // at 20C |
374 | Float_t dgmXe = fxc * dxe + (1.0 - fxc) * dco; | |
375 | ||
376 | // For Ar/CO2-gas-mixture | |
377 | Float_t aArCO2[3] = { 39.948 , 12.0107 , 15.9994 }; | |
378 | Float_t zArCO2[3] = { 18.0 , 6.0 , 8.0 }; | |
379 | Float_t wArCO2[3] = { 8.2 , 1.8 , 3.6 }; | |
380 | // Ar-content of the Ar/CO2-mixture (82% / 18%) | |
381 | Float_t fac = 0.82; | |
382 | Float_t dar = 0.00166; // at 20C | |
383 | Float_t dgmAr = fac * dar + (1.0 - fac) * dco; | |
fe4da5cc | 384 | |
d3f347ff | 385 | // General tracking parameter |
030b4415 | 386 | Float_t tmaxfd = -10.0; |
387 | Float_t stemax = -1.0e10; | |
388 | Float_t deemax = -0.1; | |
389 | Float_t epsil = 1.0e-4; | |
390 | Float_t stmin = -0.001; | |
fe4da5cc | 391 | |
d3f347ff | 392 | ////////////////////////////////////////////////////////////////////////// |
fe4da5cc | 393 | // Define Materials |
d3f347ff | 394 | ////////////////////////////////////////////////////////////////////////// |
395 | ||
16bf9884 | 396 | AliMaterial( 1, "Al" , 26.98, 13.0, 2.7 , 8.9 , 37.2); |
3dac2b2d | 397 | AliMaterial( 4, "Xe" , 131.29, 54.0, dxe , 1546.16, 0.0); |
16bf9884 | 398 | AliMaterial( 5, "Cu" , 63.54, 29.0, 8.96 , 1.43, 14.8); |
399 | AliMaterial( 6, "C" , 12.01, 6.0, 2.265 , 18.8 , 74.4); | |
16bf9884 | 400 | AliMaterial(15, "Sn" , 118.71, 50.0, 7.31 , 1.21, 14.8); |
401 | AliMaterial(16, "Si" , 28.09, 14.0, 2.33 , 9.36, 37.2); | |
0c5a8090 | 402 | AliMaterial(18, "Fe" , 55.85, 26.0, 7.87 , 1.76, 14.8); |
d3f347ff | 403 | |
404 | // Mixtures | |
3dac2b2d | 405 | AliMixture(2, "Air" , aAir, zAir, dAir, 4, wAir ); |
406 | AliMixture(3, "Polyethilene", ape, zpe, dpe, -2, wpe ); | |
3dac2b2d | 407 | AliMixture(8, "CO2", aco, zco, dco, -2, wco ); |
a076fc2f | 408 | if (AliTRDCommonParam::Instance()->IsXenon()) { |
f2979d08 | 409 | AliMixture(10,"XeCO2", aXeCO2, zXeCO2, dgmXe, -3, wXeCO2); |
410 | } | |
a076fc2f | 411 | else if (AliTRDCommonParam::Instance()->IsArgon()) { |
f2979d08 | 412 | AliInfo("Gas mixture: Ar C02 (80/20)"); |
413 | AliMixture(10,"ArCO2", aArCO2, zArCO2, dgmAr, -3, wArCO2); | |
414 | } | |
415 | else { | |
416 | AliFatal("Wrong gas mixture"); | |
417 | exit(1); | |
418 | } | |
3dac2b2d | 419 | AliMixture(12,"G10", aG10, zG10, dG10, 4, wG10 ); |
420 | AliMixture(13,"Water", awa, zwa, dwa, -2, wwa ); | |
421 | AliMixture(14,"Plexiglas", apg, zpg, dpg, -3, wpg ); | |
422 | AliMixture(17,"Epoxy", aEpoxy, zEpoxy, dEpoxy, -3, wEpoxy); | |
0c5a8090 | 423 | AliMixture(19,"Araldite", aAral, zAral, dAral, -3, wAral ); |
3dac2b2d | 424 | |
d3f347ff | 425 | ////////////////////////////////////////////////////////////////////////// |
fe4da5cc | 426 | // Tracking Media Parameters |
d3f347ff | 427 | ////////////////////////////////////////////////////////////////////////// |
428 | ||
429 | // Al Frame | |
0c5a8090 | 430 | AliMedium( 1,"Al Frame" , 1,0,isxfld,sxmgmx |
431 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
d3f347ff | 432 | // Air |
0c5a8090 | 433 | AliMedium( 2,"Air" , 2,0,isxfld,sxmgmx |
434 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
435 | // Wires | |
436 | AliMedium( 3,"Wires" , 5,0,isxfld,sxmgmx | |
437 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
438 | // All other ROB materials (caps, etc.) | |
439 | AliMedium( 4,"ROB Other" , 5,0,isxfld,sxmgmx | |
440 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
d3f347ff | 441 | // Cu pads |
0c5a8090 | 442 | AliMedium( 5,"Padplane" , 5,1,isxfld,sxmgmx |
443 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
d3f347ff | 444 | // Fee + cables |
0c5a8090 | 445 | AliMedium( 6,"Readout" , 5,0,isxfld,sxmgmx |
446 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
d3f347ff | 447 | // C frame |
0c5a8090 | 448 | AliMedium( 7,"C Frame" , 6,0,isxfld,sxmgmx |
449 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
450 | // INOX of cooling bus bars | |
451 | AliMedium( 8,"Cooling bus",18,0,isxfld,sxmgmx | |
452 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
3dac2b2d | 453 | // Gas-mixture (Xe/CO2) |
0c5a8090 | 454 | AliMedium( 9,"Gas-mix" ,10,1,isxfld,sxmgmx |
455 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
456 | // Nomex-honeycomb | |
457 | AliMedium(10,"Nomex" ,12,0,isxfld,sxmgmx | |
458 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
459 | // Araldite glue | |
460 | AliMedium(11,"Glue" ,19,0,isxfld,sxmgmx | |
461 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
d3f347ff | 462 | // G10-plates |
0c5a8090 | 463 | AliMedium(13,"G10-plates" ,12,0,isxfld,sxmgmx |
464 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
d3f347ff | 465 | // Cooling water |
0c5a8090 | 466 | AliMedium(14,"Water" ,13,0,isxfld,sxmgmx |
467 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
db30bf0f | 468 | // Rohacell (plexiglas) for the radiator |
0c5a8090 | 469 | AliMedium(15,"Rohacell" ,14,0,isxfld,sxmgmx |
470 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
16bf9884 | 471 | // Al layer in MCMs |
0c5a8090 | 472 | AliMedium(16,"MCM-Al" , 1,0,isxfld,sxmgmx |
473 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
16bf9884 | 474 | // Sn layer in MCMs |
0c5a8090 | 475 | AliMedium(17,"MCM-Sn" ,15,0,isxfld,sxmgmx |
476 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
16bf9884 | 477 | // Cu layer in MCMs |
0c5a8090 | 478 | AliMedium(18,"MCM-Cu" , 5,0,isxfld,sxmgmx |
479 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
16bf9884 | 480 | // G10 layer in MCMs |
0c5a8090 | 481 | AliMedium(19,"MCM-G10" ,12,0,isxfld,sxmgmx |
482 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
16bf9884 | 483 | // Si in readout chips |
0c5a8090 | 484 | AliMedium(20,"Chip-Si" ,16,0,isxfld,sxmgmx |
485 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
16bf9884 | 486 | // Epoxy in readout chips |
0c5a8090 | 487 | AliMedium(21,"Chip-Ep" ,17,0,isxfld,sxmgmx |
488 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
16bf9884 | 489 | // PE in connectors |
0c5a8090 | 490 | AliMedium(22,"Conn-PE" , 3,0,isxfld,sxmgmx |
491 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
16bf9884 | 492 | // Cu in connectors |
0c5a8090 | 493 | AliMedium(23,"Chip-Cu" , 5,0,isxfld,sxmgmx |
494 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
16bf9884 | 495 | // Al of cooling pipes |
0c5a8090 | 496 | AliMedium(24,"Cooling" , 1,0,isxfld,sxmgmx |
497 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
73ae7b59 | 498 | // Cu in services |
0c5a8090 | 499 | AliMedium(25,"Serv-Cu" , 5,0,isxfld,sxmgmx |
500 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
d3f347ff | 501 | |
793ff80c | 502 | // Save the density values for the TRD absorbtion |
0c5a8090 | 503 | Float_t dmy = 1.39; |
793ff80c | 504 | fFoilDensity = dmy; |
a076fc2f | 505 | if (AliTRDCommonParam::Instance()->IsXenon()) { |
f2979d08 | 506 | fGasDensity = dgmXe; |
507 | fGasNobleFraction = fxc; | |
508 | } | |
a076fc2f | 509 | else if (AliTRDCommonParam::Instance()->IsArgon()) { |
f2979d08 | 510 | fGasDensity = dgmAr; |
511 | fGasNobleFraction = fac; | |
512 | } | |
793ff80c | 513 | |
fe4da5cc | 514 | } |
fe4da5cc | 515 | |
516 | //_____________________________________________________________________________ | |
517 | void AliTRD::Init() | |
518 | { | |
519 | // | |
851d3db9 | 520 | // Initialize the TRD detector after the geometry has been created |
fe4da5cc | 521 | // |
82bbf98a | 522 | |
45160b1f | 523 | AliDebug(1,"++++++++++++++++++++++++++++++++++++++++++++++"); |
5c7f4665 | 524 | |
bd0f8685 | 525 | if (fGeometry->IsVersion() != 1) { |
45160b1f | 526 | AliError("Not a valid geometry"); |
d37eec5e | 527 | } |
5f06bf41 | 528 | |
7235aed2 | 529 | // Special tracking options for charged particles for XeCO2 |
5f06bf41 | 530 | gMC->Gstpar((* fIdtmed)[9],"DRAY" , 1.0); |
531 | gMC->Gstpar((* fIdtmed)[9],"STRA" , 1.0); | |
532 | gMC->Gstpar((* fIdtmed)[9],"LOSS" ,13.0); // Specific energy loss | |
e8ec3430 | 533 | // Parameters specific to Fluka |
534 | //gMC->Gstpar((* fIdtmed)[9],"PRIMIO_E",23.53); // 1st ionisation potential | |
535 | //gMC->Gstpar((* fIdtmed)[9],"PRIMIO_N",19.344431); // Number of primaries | |
5f06bf41 | 536 | |
5c7f4665 | 537 | } |
538 | ||
6244debe | 539 | //_____________________________________________________________________________ |
540 | void AliTRD::ResetDigits() | |
541 | { | |
542 | // | |
abaf1f1d | 543 | // Reset number of digits and the digits array for this detector |
6244debe | 544 | // |
545 | ||
abaf1f1d | 546 | fNdigits = 0; |
030b4415 | 547 | |
548 | if (fDigits) { | |
549 | fDigits->Clear(); | |
550 | } | |
6244debe | 551 | |
552 | } | |
553 | ||
5c7f4665 | 554 | //_____________________________________________________________________________ |
555 | void AliTRD::SetTreeAddress() | |
556 | { | |
557 | // | |
558 | // Set the branch addresses for the trees. | |
559 | // | |
560 | ||
030b4415 | 561 | if (fLoader->TreeH() && |
562 | (fHits == 0x0)) { | |
a328fff9 | 563 | fHits = new TClonesArray("AliTRDhit",405); |
332e9569 | 564 | } |
a328fff9 | 565 | AliDetector::SetTreeAddress(); |
332e9569 | 566 | |
fe4da5cc | 567 | } |
568 | ||
68119ad1 | 569 | //_____________________________________________________________________________ |
570 | Bool_t AliTRD::Raw2SDigits(AliRawReader *rawReader) | |
571 | { | |
572 | // | |
573 | // Converts RAW data to SDigits | |
574 | // | |
575 | ||
576 | AliLoader *loader = fRunLoader->GetLoader("TRDLoader"); | |
577 | if (!loader) { | |
578 | AliError("Can not get TRD loader from Run Loader"); | |
579 | return kFALSE; | |
580 | } | |
581 | ||
582 | TTree *tree = 0; | |
583 | tree = loader->TreeS(); | |
584 | if (!tree) { | |
585 | loader->MakeTree("S"); | |
586 | tree = loader->TreeS(); | |
587 | } | |
588 | ||
589 | AliTRDrawData *rawdata = new AliTRDrawData(); | |
590 | AliTRDdigitsManager *sdigitsManager = rawdata->Raw2Digits(rawReader); | |
591 | if (sdigitsManager) { | |
592 | sdigitsManager->SetSDigits(kTRUE); | |
593 | sdigitsManager->MakeBranch(tree); | |
594 | sdigitsManager->WriteDigits(); | |
595 | return kTRUE; | |
596 | } | |
597 | else { | |
598 | return kFALSE; | |
599 | } | |
600 | ||
601 | } | |
602 | ||
9c7c9ec1 | 603 | //_____________________________________________________________________________ |
604 | AliLoader* AliTRD::MakeLoader(const char* topfoldername) | |
605 | { | |
606 | fLoader = new AliLoader(GetName(),topfoldername); | |
607 | ||
608 | AliInfo("Adding Tracklets-loader"); | |
609 | AliDataLoader *dl = new AliDataLoader("TRD.Tracklets.root","tracklets", "tracklets"); | |
610 | fLoader->AddDataLoader(dl); | |
611 | ||
612 | return fLoader; | |
613 | } | |
614 | ||
dd9a6ee3 | 615 | //_____________________________________________________________________________ |
616 | AliTRD &AliTRD::operator=(const AliTRD &trd) | |
617 | { | |
618 | // | |
619 | // Assignment operator | |
620 | // | |
621 | ||
0c5a8090 | 622 | if (this != &trd) { |
623 | ((AliTRD &) trd).Copy(*this); | |
624 | } | |
030b4415 | 625 | |
dd9a6ee3 | 626 | return *this; |
627 | ||
68119ad1 | 628 | } |