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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> |
32b13758 | 28 | #include <TGeoManager.h> |
88cb7938 | 29 | |
45160b1f | 30 | #include "AliMC.h" |
793ff80c | 31 | #include "AliMagF.h" |
88cb7938 | 32 | #include "AliRun.h" |
c93255fe | 33 | #include "AliLoader.h" |
030b4415 | 34 | |
793ff80c | 35 | #include "AliTRD.h" |
851d3db9 | 36 | #include "AliTRDdigitizer.h" |
88cb7938 | 37 | #include "AliTRDdigitsManager.h" |
bd0f8685 | 38 | #include "AliTRDgeometry.h" |
88cb7938 | 39 | #include "AliTRDhit.h" |
b864d801 | 40 | #include "AliTRDrawData.h" |
a076fc2f | 41 | #include "AliTRDCommonParam.h" |
3551db50 | 42 | |
fe4da5cc | 43 | ClassImp(AliTRD) |
44 | ||
45 | //_____________________________________________________________________________ | |
46 | AliTRD::AliTRD() | |
030b4415 | 47 | :AliDetector() |
48 | ,fGeometry(0) | |
49 | ,fGasDensity(0) | |
50 | ,fFoilDensity(0) | |
f2979d08 | 51 | ,fGasNobleFraction(0) |
674812e4 | 52 | ,fPrimaryIonisation(0) |
fe4da5cc | 53 | { |
54 | // | |
55 | // Default constructor | |
56 | // | |
332e9569 | 57 | |
fe4da5cc | 58 | } |
59 | ||
60 | //_____________________________________________________________________________ | |
61 | AliTRD::AliTRD(const char *name, const char *title) | |
030b4415 | 62 | :AliDetector(name,title) |
63 | ,fGeometry(0) | |
64 | ,fGasDensity(0) | |
65 | ,fFoilDensity(0) | |
457b47bb | 66 | ,fGasNobleFraction(0) |
674812e4 | 67 | ,fPrimaryIonisation(0) |
fe4da5cc | 68 | { |
69 | // | |
70 | // Standard constructor for the TRD | |
71 | // | |
72 | ||
030b4415 | 73 | // Check that FRAME is there otherwise we have no place where to put TRD |
74 | AliModule *frame = gAlice->GetModule("FRAME"); | |
8230f242 | 75 | if (!frame) { |
030b4415 | 76 | AliError("TRD needs FRAME to be present\n"); |
5c7f4665 | 77 | exit(1); |
78 | } | |
79 | ||
d37eec5e | 80 | // Define the TRD geometry |
81 | if ((frame->IsVersion() == 0) || | |
82 | (frame->IsVersion() == 1)) { | |
bd0f8685 | 83 | fGeometry = new AliTRDgeometry(); |
851d3db9 | 84 | } |
85 | else { | |
030b4415 | 86 | AliError("Could not find valid FRAME version\n"); |
851d3db9 | 87 | exit(1); |
88 | } | |
5c7f4665 | 89 | |
fe4da5cc | 90 | // Allocate the hit array |
030b4415 | 91 | fHits = new TClonesArray("AliTRDhit",405); |
5d12ce38 | 92 | gAlice->GetMCApp()->AddHitList(fHits); |
e306b465 | 93 | |
8230f242 | 94 | } |
95 | ||
99d5402e | 96 | //_____________________________________________________________________________ |
97 | AliTRD::~AliTRD() | |
98 | { | |
99 | // | |
100 | // TRD destructor | |
101 | // | |
e306b465 | 102 | |
abaf1f1d | 103 | if (fGeometry) { |
104 | delete fGeometry; | |
030b4415 | 105 | fGeometry = 0; |
abaf1f1d | 106 | } |
030b4415 | 107 | |
abaf1f1d | 108 | if (fHits) { |
109 | delete fHits; | |
030b4415 | 110 | fHits = 0; |
abaf1f1d | 111 | } |
bd0f8685 | 112 | |
5c7f4665 | 113 | } |
114 | ||
6244debe | 115 | //_____________________________________________________________________________ |
116 | void AliTRD::Hits2Digits() | |
2ab0c725 | 117 | { |
118 | // | |
119 | // Create digits | |
120 | // | |
bd0f8685 | 121 | |
be385a87 | 122 | AliTRDdigitizer digitizer("TRDdigitizer","TRD digitizer class"); |
45160b1f | 123 | AliLog::SetClassDebugLevel("TRDdigitizer",AliDebugLevel()); |
9a96f175 | 124 | |
6244debe | 125 | // Initialization |
be385a87 | 126 | digitizer.InitDetector(); |
e306b465 | 127 | |
030b4415 | 128 | if (!fLoader->TreeH()) { |
129 | fLoader->LoadHits("read"); | |
130 | } | |
85a5290f | 131 | fLoader->LoadDigits("recreate"); |
95867fd1 | 132 | |
030b4415 | 133 | AliRunLoader *runLoader = fLoader->GetRunLoader(); |
6244debe | 134 | |
85a5290f | 135 | for (Int_t iEvent = 0; iEvent < runLoader->GetNumberOfEvents(); iEvent++) { |
95867fd1 | 136 | runLoader->GetEvent(iEvent); |
137 | digitizer.Open(runLoader,iEvent); | |
be385a87 | 138 | digitizer.MakeDigits(); |
139 | digitizer.WriteDigits(); | |
6244debe | 140 | } |
141 | ||
85a5290f | 142 | fLoader->UnloadHits(); |
143 | fLoader->UnloadDigits(); | |
a328fff9 | 144 | |
6244debe | 145 | } |
146 | ||
147 | //_____________________________________________________________________________ | |
148 | void AliTRD::Hits2SDigits() | |
149 | { | |
150 | // | |
151 | // Create summable digits | |
152 | // | |
a328fff9 | 153 | |
be385a87 | 154 | AliTRDdigitizer digitizer("TRDdigitizer","TRD digitizer class"); |
6244debe | 155 | // For the summable digits |
be385a87 | 156 | digitizer.SetSDigits(kTRUE); |
45160b1f | 157 | AliLog::SetClassDebugLevel("TRDdigitizer",AliDebugLevel()); |
6244debe | 158 | |
159 | // Initialization | |
be385a87 | 160 | digitizer.InitDetector(); |
e306b465 | 161 | |
030b4415 | 162 | if (!fLoader->TreeH()) { |
163 | fLoader->LoadHits("read"); | |
164 | } | |
85a5290f | 165 | fLoader->LoadSDigits("recreate"); |
95867fd1 | 166 | |
167 | AliRunLoader *runLoader = fLoader->GetRunLoader(); | |
6244debe | 168 | |
85a5290f | 169 | for (Int_t iEvent = 0; iEvent < runLoader->GetNumberOfEvents(); iEvent++) { |
95867fd1 | 170 | runLoader->GetEvent(iEvent); |
171 | digitizer.Open(runLoader,iEvent); | |
be385a87 | 172 | digitizer.MakeDigits(); |
173 | digitizer.WriteDigits(); | |
85a5290f | 174 | } |
2ab0c725 | 175 | |
85a5290f | 176 | fLoader->UnloadHits(); |
177 | fLoader->UnloadSDigits(); | |
a328fff9 | 178 | |
179 | } | |
6244debe | 180 | |
85a5290f | 181 | //_____________________________________________________________________________ |
f21fc003 | 182 | AliDigitizer *AliTRD::CreateDigitizer(AliDigitizationInput* digInput) const |
85a5290f | 183 | { |
a328fff9 | 184 | // |
185 | // Creates a new digitizer object | |
186 | // | |
187 | ||
f21fc003 | 188 | return new AliTRDdigitizer(digInput); |
a328fff9 | 189 | |
6244debe | 190 | } |
191 | ||
192 | //_____________________________________________________________________________ | |
193 | void AliTRD::SDigits2Digits() | |
194 | { | |
195 | // | |
196 | // Create final digits from summable digits | |
197 | // | |
198 | ||
bd0f8685 | 199 | // Create the TRD digitizer |
be385a87 | 200 | AliTRDdigitizer digitizer("TRDdigitizer","TRD digitizer class"); |
45160b1f | 201 | AliLog::SetClassDebugLevel("TRDdigitizer",AliDebugLevel()); |
99d5402e | 202 | |
abaf1f1d | 203 | // Set the parameter |
be385a87 | 204 | digitizer.SetEvent(gAlice->GetEvNumber()); |
abaf1f1d | 205 | |
206 | // Initialization | |
be385a87 | 207 | digitizer.InitDetector(); |
abaf1f1d | 208 | |
209 | // Read the s-digits via digits manager | |
be385a87 | 210 | AliTRDdigitsManager sdigitsManager; |
88cb7938 | 211 | |
45160b1f | 212 | AliLog::SetClassDebugLevel("TRDdigitisManager",AliDebugLevel()); |
be385a87 | 213 | sdigitsManager.SetSDigits(kTRUE); |
214 | sdigitsManager.CreateArrays(); | |
88cb7938 | 215 | |
030b4415 | 216 | if (!fLoader->TreeS()) { |
217 | if (fLoader->LoadSDigits("read")) { | |
218 | return; | |
219 | } | |
220 | } | |
221 | if (!fLoader->TreeS()) { | |
222 | AliError(Form("Error while reading SDigits for event %d",gAlice->GetEvNumber())); | |
223 | return; | |
224 | } | |
88cb7938 | 225 | |
be385a87 | 226 | sdigitsManager.ReadDigits(fLoader->TreeS()); |
abaf1f1d | 227 | |
228 | // Add the s-digits to the input list | |
be385a87 | 229 | digitizer.AddSDigitsManager(&sdigitsManager); |
99d5402e | 230 | |
abaf1f1d | 231 | // Convert the s-digits to normal digits |
be385a87 | 232 | digitizer.SDigits2Digits(); |
abaf1f1d | 233 | |
234 | // Store the digits | |
030b4415 | 235 | if (!fLoader->TreeD()) { |
236 | fLoader->MakeTree("D"); | |
237 | } | |
be385a87 | 238 | if (digitizer.MakeBranch(fLoader->TreeD())){ |
239 | digitizer.WriteDigits(); | |
abaf1f1d | 240 | } |
99d5402e | 241 | |
242 | } | |
243 | ||
b864d801 | 244 | //_____________________________________________________________________________ |
245 | void AliTRD::Digits2Raw() | |
246 | { | |
247 | // | |
030b4415 | 248 | // Convert digits of the current event to raw data |
b864d801 | 249 | // |
250 | ||
251 | fLoader->LoadDigits(); | |
030b4415 | 252 | TTree *digits = fLoader->TreeD(); |
b864d801 | 253 | if (!digits) { |
030b4415 | 254 | AliError("No digits tree"); |
b864d801 | 255 | return; |
256 | } | |
257 | ||
258 | AliTRDrawData rawWriter; | |
b864d801 | 259 | if (!rawWriter.Digits2Raw(digits)) { |
030b4415 | 260 | AliError("The raw writer could not load the digits tree"); |
b864d801 | 261 | } |
262 | ||
263 | fLoader->UnloadDigits(); | |
264 | ||
265 | } | |
266 | ||
fe4da5cc | 267 | //_____________________________________________________________________________ |
332e9569 | 268 | void AliTRD::AddHit(Int_t track, Int_t det, Float_t *hits, Int_t q |
2fa01832 | 269 | , Float_t time, Bool_t inDrift) |
fe4da5cc | 270 | { |
271 | // | |
272 | // Add a hit for the TRD | |
332e9569 | 273 | // |
82bbf98a | 274 | |
a328fff9 | 275 | TClonesArray &lhits = *fHits; |
2fa01832 | 276 | AliTRDhit *hit = new(lhits[fNhits++]) AliTRDhit(fIshunt |
277 | ,track | |
278 | ,det | |
279 | ,hits | |
280 | ,q | |
281 | ,time); | |
282 | ||
a328fff9 | 283 | if (inDrift) { |
284 | hit->SetDrift(); | |
332e9569 | 285 | } |
a328fff9 | 286 | else { |
287 | hit->SetAmplification(); | |
288 | } | |
030b4415 | 289 | |
a328fff9 | 290 | if (q < 0) { |
291 | hit->SetTRphoton(); | |
332e9569 | 292 | } |
82bbf98a | 293 | |
fe4da5cc | 294 | } |
fe4da5cc | 295 | |
296 | //_____________________________________________________________________________ | |
82bbf98a | 297 | void AliTRD::CreateGeometry() |
fe4da5cc | 298 | { |
82bbf98a | 299 | // |
300 | // Creates the volumes for the TRD chambers | |
301 | // | |
82bbf98a | 302 | |
303 | // Check that FRAME is there otherwise we have no place where to put the TRD | |
030b4415 | 304 | AliModule *frame = gAlice->GetModule("FRAME"); |
8230f242 | 305 | if (!frame) { |
45160b1f | 306 | AliFatal("The TRD needs the FRAME to be defined first"); |
82bbf98a | 307 | } |
d3f347ff | 308 | |
851d3db9 | 309 | fGeometry->CreateGeometry(fIdtmed->GetArray() - 1299); |
5c7f4665 | 310 | |
82bbf98a | 311 | } |
2d0eca96 | 312 | |
82bbf98a | 313 | //_____________________________________________________________________________ |
314 | void AliTRD::CreateMaterials() | |
315 | { | |
fe4da5cc | 316 | // |
317 | // Create the materials for the TRD | |
fe4da5cc | 318 | // |
319 | ||
32b13758 | 320 | Int_t isxfld = ((AliMagF *) TGeoGlobalMagField::Instance()->GetField())->Integ(); |
321 | Float_t sxmgmx = ((AliMagF *) TGeoGlobalMagField::Instance()->GetField())->Max(); | |
fe4da5cc | 322 | |
32b13758 | 323 | ////////////////////////////////////////////////////////////////////////// |
324 | // Define Materials | |
325 | ////////////////////////////////////////////////////////////////////////// | |
0c5a8090 | 326 | |
32b13758 | 327 | // Aluminum |
328 | AliMaterial( 1,"Al", 26.98, 13.0, 2.7, 8.9, 37.2); | |
329 | // Copper | |
330 | AliMaterial( 2,"Cu", 63.54, 29.0, 8.96, 1.43, 14.8); | |
331 | // Carbon | |
332 | AliMaterial( 3,"C" , 12.01, 6.0, 2.265, 18.8, 74.4); | |
333 | // Carbon for fiber mats | |
334 | AliMaterial( 4,"C2", 12.01, 6.0, 1.75, 18.8, 74.4); | |
335 | // Zinc | |
336 | AliMaterial( 5,"Sn", 118.71, 50.0, 7.31, 1.21, 14.8); | |
337 | // Silicon | |
338 | AliMaterial( 6,"Si", 28.09, 14.0, 2.33, 9.36, 37.2); | |
339 | // Iron | |
340 | AliMaterial( 7,"Fe", 55.85, 26.0, 7.87, 1.76, 14.8); | |
341 | ||
342 | // Air | |
3dac2b2d | 343 | Float_t aAir[4] = { 12.011 , 14.0 , 15.9994 , 36.0 }; |
344 | Float_t zAir[4] = { 6.0 , 7.0 , 8.0 , 18.0 }; | |
345 | Float_t wAir[4] = { 0.000124, 0.755267, 0.231781, 0.012827 }; | |
0c5a8090 | 346 | Float_t dAir = 1.20479e-03; |
32b13758 | 347 | AliMixture(51,"Air", aAir, zAir, dAir, 4, wAir ); |
348 | // Polyethilene (CH2) | |
349 | Float_t ape[2] = { 12.011 , 1.0079 }; | |
350 | Float_t zpe[2] = { 6.0 , 1.0 }; | |
351 | Float_t wpe[2] = { 1.0 , 2.0 }; | |
352 | Float_t dpe = 0.95; | |
353 | AliMixture(52,"Polyethilene", ape, zpe, dpe, -2, wpe ); | |
354 | // Gas mixtures | |
355 | // Xe/CO2-gas-mixture (85% / 15%) | |
3dac2b2d | 356 | Float_t aXeCO2[3] = { 131.29 , 12.0107 , 15.9994 }; |
357 | Float_t zXeCO2[3] = { 54.0 , 6.0 , 8.0 }; | |
330bfc2f | 358 | Float_t wXeCO2[3] = { 8.5 , 1.5 , 3.0 }; |
3dac2b2d | 359 | Float_t fxc = 0.85; |
f2979d08 | 360 | Float_t dxe = 0.00549; // at 20C |
32b13758 | 361 | Float_t dco = 0.00186; // at 20C |
f2979d08 | 362 | Float_t dgmXe = fxc * dxe + (1.0 - fxc) * dco; |
32b13758 | 363 | // Ar/CO2-gas-mixture |
f2979d08 | 364 | Float_t aArCO2[3] = { 39.948 , 12.0107 , 15.9994 }; |
365 | Float_t zArCO2[3] = { 18.0 , 6.0 , 8.0 }; | |
366 | Float_t wArCO2[3] = { 8.2 , 1.8 , 3.6 }; | |
f2979d08 | 367 | Float_t fac = 0.82; |
368 | Float_t dar = 0.00166; // at 20C | |
369 | Float_t dgmAr = fac * dar + (1.0 - fac) * dco; | |
a076fc2f | 370 | if (AliTRDCommonParam::Instance()->IsXenon()) { |
32b13758 | 371 | AliMixture(53,"XeCO2", aXeCO2, zXeCO2, dgmXe, -3, wXeCO2); |
f2979d08 | 372 | } |
a076fc2f | 373 | else if (AliTRDCommonParam::Instance()->IsArgon()) { |
f2979d08 | 374 | AliInfo("Gas mixture: Ar C02 (80/20)"); |
32b13758 | 375 | AliMixture(53,"ArCO2", aArCO2, zArCO2, dgmAr, -3, wArCO2); |
f2979d08 | 376 | } |
377 | else { | |
378 | AliFatal("Wrong gas mixture"); | |
379 | exit(1); | |
380 | } | |
32b13758 | 381 | // G10 |
382 | Float_t aG10[4] = { 1.0079, 12.011 , 15.9994, 28.086 }; | |
383 | Float_t zG10[4] = { 1.0 , 6.0 , 8.0 , 14.0 }; | |
384 | Float_t wG10[4] = { 0.023 , 0.194 , 0.443 , 0.340 }; | |
385 | Float_t dG10 = 2.0; | |
386 | AliMixture(54,"G10", aG10, zG10, dG10, 4,wG10 ); | |
387 | // Water | |
388 | Float_t awa[2] = { 1.0079, 15.9994 }; | |
389 | Float_t zwa[2] = { 1.0 , 8.0 }; | |
390 | Float_t wwa[2] = { 2.0 , 1.0 }; | |
391 | Float_t dwa = 1.0; | |
392 | AliMixture(55,"Water", awa, zwa, dwa, -2,wwa ); | |
393 | // Rohacell (C5H8O2), X0 = 535.005cm | |
394 | Float_t arh[3] = { 12.011 , 1.0079, 15.9994 }; | |
395 | Float_t zrh[3] = { 6.0 , 1.0 , 8.0 }; | |
396 | Float_t wrh[3] = { 5.0 , 8.0 , 2.0 }; | |
397 | Float_t drh = 0.075; | |
398 | AliMixture(56,"Rohacell", arh, zrh, drh, -3,wrh ); | |
399 | // Epoxy (C18H19O3) | |
400 | Float_t aEpoxy[3] = { 15.9994, 1.0079, 12.011 }; | |
401 | Float_t zEpoxy[3] = { 8.0 , 1.0 , 6.0 }; | |
402 | Float_t wEpoxy[3] = { 3.0 , 19.0 , 18.0 }; | |
403 | Float_t dEpoxy = 1.8 ; | |
404 | AliMixture(57,"Epoxy", aEpoxy,zEpoxy,dEpoxy,-3,wEpoxy); | |
405 | // Araldite, low density epoxy (C18H19O3) | |
406 | Float_t aAral[3] = { 15.9994, 1.0079, 12.011 }; | |
407 | Float_t zAral[3] = { 8.0 , 1.0 , 6.0 }; | |
408 | Float_t wAral[3] = { 3.0 , 19.0 , 18.0 }; | |
409 | Float_t dAral = 1.12; // Hardener: 1.15, epoxy: 1.1, mixture: 1/2 | |
410 | AliMixture(58,"Araldite", aAral, zAral, dAral, -3,wAral ); | |
411 | // Mylar | |
412 | Float_t aMy[3] = { 12.011 , 1.0 , 15.9994 }; | |
413 | Float_t zMy[3] = { 6.0 , 1.0 , 8.0 }; | |
414 | Float_t wMy[3] = { 5.0 , 4.0 , 2.0 }; | |
415 | Float_t dMy = 1.39; | |
416 | AliMixture(59,"Mylar", aMy, zMy, dMy, -3,wMy ); | |
417 | // Polypropylene (C3H6) for radiator fibers | |
418 | Float_t app[2] = { 12.011 , 1.0079 }; | |
419 | Float_t zpp[2] = { 6.0 , 1.0 }; | |
420 | Float_t wpp[2] = { 3.0 , 6.0 }; | |
421 | Float_t dpp = 0.068; | |
422 | AliMixture(60,"Polypropylene",app, zpp, dpp, -2,wpp ); | |
423 | // Aramide for honeycomb | |
424 | Float_t aAra[4] = { 1.0079, 12.011 , 15.9994, 14.0067 }; | |
425 | Float_t zAra[4] = { 1.0 , 6.0 , 8.0 , 7.0 }; | |
426 | Float_t wAra[4] = { 3.0 , 1.0 , 1.0 , 1.0 }; | |
427 | Float_t dAra = 0.032; | |
428 | AliMixture(61,"Aramide", aAra, zAra, dAra, -4,wAra ); | |
429 | // GFK for Wacosit (Epoxy + Si) | |
430 | Float_t aGFK[4] = { 1.0079, 12.011 , 15.9994, 28.086 }; | |
431 | Float_t zGFK[4] = { 1.0 , 6.0 , 8.0 , 14.0 }; | |
432 | Float_t wGFK[4] = { 0.0445, 0.5031, 0.1118, 0.340 }; | |
433 | Float_t dGFK = 2.0; | |
434 | AliMixture(62,"GFK", aGFK, zGFK, dGFK, 4,wGFK ); | |
3dac2b2d | 435 | |
d3f347ff | 436 | ////////////////////////////////////////////////////////////////////////// |
fe4da5cc | 437 | // Tracking Media Parameters |
d3f347ff | 438 | ////////////////////////////////////////////////////////////////////////// |
439 | ||
32b13758 | 440 | // General tracking parameter |
441 | Float_t tmaxfd = -10.0; | |
442 | Float_t stemax = -1.0e10; | |
443 | Float_t deemax = -0.1; | |
444 | Float_t epsil = 1.0e-4; | |
445 | Float_t stmin = -0.001; | |
446 | ||
d3f347ff | 447 | // Al Frame |
0c5a8090 | 448 | AliMedium( 1,"Al Frame" , 1,0,isxfld,sxmgmx |
449 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
d3f347ff | 450 | // Air |
32b13758 | 451 | AliMedium( 2,"Air" ,51,0,isxfld,sxmgmx |
0c5a8090 | 452 | ,tmaxfd,stemax,deemax,epsil,stmin); |
453 | // Wires | |
32b13758 | 454 | AliMedium( 3,"Wires" , 2,0,isxfld,sxmgmx |
0c5a8090 | 455 | ,tmaxfd,stemax,deemax,epsil,stmin); |
456 | // All other ROB materials (caps, etc.) | |
32b13758 | 457 | AliMedium( 4,"ROB Other" , 2,0,isxfld,sxmgmx |
0c5a8090 | 458 | ,tmaxfd,stemax,deemax,epsil,stmin); |
d3f347ff | 459 | // Cu pads |
32b13758 | 460 | AliMedium( 5,"Padplane" , 2,1,isxfld,sxmgmx |
0c5a8090 | 461 | ,tmaxfd,stemax,deemax,epsil,stmin); |
d3f347ff | 462 | // Fee + cables |
32b13758 | 463 | AliMedium( 6,"Readout" , 2,0,isxfld,sxmgmx |
0c5a8090 | 464 | ,tmaxfd,stemax,deemax,epsil,stmin); |
32b13758 | 465 | // C frame (Wacosit) |
466 | AliMedium( 7,"Wacosit" ,62,0,isxfld,sxmgmx | |
467 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
0c5a8090 | 468 | // INOX of cooling bus bars |
32b13758 | 469 | AliMedium( 8,"Cooling bus", 7,0,isxfld,sxmgmx |
0c5a8090 | 470 | ,tmaxfd,stemax,deemax,epsil,stmin); |
3dac2b2d | 471 | // Gas-mixture (Xe/CO2) |
32b13758 | 472 | AliMedium( 9,"Gas-mix" ,53,1,isxfld,sxmgmx |
0c5a8090 | 473 | ,tmaxfd,stemax,deemax,epsil,stmin); |
32b13758 | 474 | // Honeycomb |
475 | AliMedium(10,"Honeycomb" ,61,0,isxfld,sxmgmx | |
0c5a8090 | 476 | ,tmaxfd,stemax,deemax,epsil,stmin); |
477 | // Araldite glue | |
32b13758 | 478 | AliMedium(11,"Glue" ,58,0,isxfld,sxmgmx |
0c5a8090 | 479 | ,tmaxfd,stemax,deemax,epsil,stmin); |
d3f347ff | 480 | // G10-plates |
32b13758 | 481 | AliMedium(13,"G10-plates" ,54,0,isxfld,sxmgmx |
0c5a8090 | 482 | ,tmaxfd,stemax,deemax,epsil,stmin); |
d3f347ff | 483 | // Cooling water |
32b13758 | 484 | AliMedium(14,"Water" ,55,0,isxfld,sxmgmx |
0c5a8090 | 485 | ,tmaxfd,stemax,deemax,epsil,stmin); |
32b13758 | 486 | // Rohacell for the radiator |
487 | AliMedium(15,"Rohacell" ,56,0,isxfld,sxmgmx | |
0c5a8090 | 488 | ,tmaxfd,stemax,deemax,epsil,stmin); |
16bf9884 | 489 | // Al layer in MCMs |
0c5a8090 | 490 | AliMedium(16,"MCM-Al" , 1,0,isxfld,sxmgmx |
491 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
16bf9884 | 492 | // Sn layer in MCMs |
32b13758 | 493 | AliMedium(17,"MCM-Sn" , 5,0,isxfld,sxmgmx |
0c5a8090 | 494 | ,tmaxfd,stemax,deemax,epsil,stmin); |
16bf9884 | 495 | // Cu layer in MCMs |
32b13758 | 496 | AliMedium(18,"MCM-Cu" , 2,0,isxfld,sxmgmx |
0c5a8090 | 497 | ,tmaxfd,stemax,deemax,epsil,stmin); |
16bf9884 | 498 | // G10 layer in MCMs |
32b13758 | 499 | AliMedium(19,"MCM-G10" ,54,0,isxfld,sxmgmx |
0c5a8090 | 500 | ,tmaxfd,stemax,deemax,epsil,stmin); |
16bf9884 | 501 | // Si in readout chips |
32b13758 | 502 | AliMedium(20,"Chip-Si" , 6,0,isxfld,sxmgmx |
0c5a8090 | 503 | ,tmaxfd,stemax,deemax,epsil,stmin); |
16bf9884 | 504 | // Epoxy in readout chips |
32b13758 | 505 | AliMedium(21,"Chip-Ep" ,57,0,isxfld,sxmgmx |
0c5a8090 | 506 | ,tmaxfd,stemax,deemax,epsil,stmin); |
16bf9884 | 507 | // PE in connectors |
32b13758 | 508 | AliMedium(22,"Conn-PE" ,52,0,isxfld,sxmgmx |
0c5a8090 | 509 | ,tmaxfd,stemax,deemax,epsil,stmin); |
16bf9884 | 510 | // Cu in connectors |
32b13758 | 511 | AliMedium(23,"Chip-Cu" , 2,0,isxfld,sxmgmx |
0c5a8090 | 512 | ,tmaxfd,stemax,deemax,epsil,stmin); |
16bf9884 | 513 | // Al of cooling pipes |
0c5a8090 | 514 | AliMedium(24,"Cooling" , 1,0,isxfld,sxmgmx |
515 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
73ae7b59 | 516 | // Cu in services |
32b13758 | 517 | AliMedium(25,"Serv-Cu" , 2,0,isxfld,sxmgmx |
518 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
519 | // Carbon fiber mat | |
520 | AliMedium(26,"Carbon" , 4,0,isxfld,sxmgmx | |
521 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
522 | // Mylar foil | |
523 | AliMedium(27,"Mylar" ,59,0,isxfld,sxmgmx | |
524 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
525 | // Polypropylene fibers | |
526 | AliMedium(28,"Fiber" ,60,0,isxfld,sxmgmx | |
0c5a8090 | 527 | ,tmaxfd,stemax,deemax,epsil,stmin); |
d3f347ff | 528 | |
793ff80c | 529 | // Save the density values for the TRD absorbtion |
0c5a8090 | 530 | Float_t dmy = 1.39; |
793ff80c | 531 | fFoilDensity = dmy; |
a076fc2f | 532 | if (AliTRDCommonParam::Instance()->IsXenon()) { |
f2979d08 | 533 | fGasDensity = dgmXe; |
534 | fGasNobleFraction = fxc; | |
535 | } | |
a076fc2f | 536 | else if (AliTRDCommonParam::Instance()->IsArgon()) { |
f2979d08 | 537 | fGasDensity = dgmAr; |
538 | fGasNobleFraction = fac; | |
539 | } | |
793ff80c | 540 | |
fe4da5cc | 541 | } |
fe4da5cc | 542 | |
543 | //_____________________________________________________________________________ | |
544 | void AliTRD::Init() | |
545 | { | |
546 | // | |
851d3db9 | 547 | // Initialize the TRD detector after the geometry has been created |
fe4da5cc | 548 | // |
82bbf98a | 549 | |
45160b1f | 550 | AliDebug(1,"++++++++++++++++++++++++++++++++++++++++++++++"); |
5c7f4665 | 551 | |
bd0f8685 | 552 | if (fGeometry->IsVersion() != 1) { |
45160b1f | 553 | AliError("Not a valid geometry"); |
d37eec5e | 554 | } |
5f06bf41 | 555 | |
5c7f4665 | 556 | } |
557 | ||
6244debe | 558 | //_____________________________________________________________________________ |
559 | void AliTRD::ResetDigits() | |
560 | { | |
561 | // | |
abaf1f1d | 562 | // Reset number of digits and the digits array for this detector |
6244debe | 563 | // |
564 | ||
abaf1f1d | 565 | fNdigits = 0; |
030b4415 | 566 | |
567 | if (fDigits) { | |
568 | fDigits->Clear(); | |
569 | } | |
6244debe | 570 | |
571 | } | |
572 | ||
5c7f4665 | 573 | //_____________________________________________________________________________ |
574 | void AliTRD::SetTreeAddress() | |
575 | { | |
576 | // | |
577 | // Set the branch addresses for the trees. | |
578 | // | |
579 | ||
030b4415 | 580 | if (fLoader->TreeH() && |
581 | (fHits == 0x0)) { | |
a328fff9 | 582 | fHits = new TClonesArray("AliTRDhit",405); |
332e9569 | 583 | } |
a328fff9 | 584 | AliDetector::SetTreeAddress(); |
332e9569 | 585 | |
fe4da5cc | 586 | } |
587 | ||
68119ad1 | 588 | //_____________________________________________________________________________ |
589 | Bool_t AliTRD::Raw2SDigits(AliRawReader *rawReader) | |
590 | { | |
591 | // | |
592 | // Converts RAW data to SDigits | |
593 | // | |
594 | ||
595 | AliLoader *loader = fRunLoader->GetLoader("TRDLoader"); | |
596 | if (!loader) { | |
597 | AliError("Can not get TRD loader from Run Loader"); | |
598 | return kFALSE; | |
599 | } | |
600 | ||
601 | TTree *tree = 0; | |
602 | tree = loader->TreeS(); | |
603 | if (!tree) { | |
604 | loader->MakeTree("S"); | |
605 | tree = loader->TreeS(); | |
606 | } | |
607 | ||
e7539003 | 608 | AliTRDdigitizer digitizer("TRDdigitizer","TRD digitizer class"); |
609 | ||
68119ad1 | 610 | AliTRDrawData *rawdata = new AliTRDrawData(); |
e7539003 | 611 | AliTRDdigitsManager *digitsManager = rawdata->Raw2Digits(rawReader); |
612 | ||
613 | // Create the s-digits manager | |
614 | AliTRDdigitsManager *sdigitsManager = new AliTRDdigitsManager(); | |
e7539003 | 615 | |
68119ad1 | 616 | if (sdigitsManager) { |
e7539003 | 617 | |
1f96c08f | 618 | sdigitsManager->SetSDigits(kTRUE); |
619 | sdigitsManager->CreateArrays(); | |
620 | ||
e7539003 | 621 | // Convert the digits into s-digits |
622 | digitizer.Digits2SDigits(digitsManager,sdigitsManager); | |
623 | ||
68119ad1 | 624 | sdigitsManager->MakeBranch(tree); |
625 | sdigitsManager->WriteDigits(); | |
e7539003 | 626 | |
627 | delete digitsManager; | |
628 | ||
68119ad1 | 629 | return kTRUE; |
e7539003 | 630 | |
68119ad1 | 631 | } |
632 | else { | |
e7539003 | 633 | |
68119ad1 | 634 | return kFALSE; |
e7539003 | 635 | |
68119ad1 | 636 | } |
637 | ||
638 | } | |
639 | ||
9c7c9ec1 | 640 | //_____________________________________________________________________________ |
e7539003 | 641 | AliLoader *AliTRD::MakeLoader(const Char_t *topfoldername) |
9c7c9ec1 | 642 | { |
e7539003 | 643 | // |
644 | // Create a loader for the TRD tracklets | |
645 | // | |
646 | ||
9c7c9ec1 | 647 | fLoader = new AliLoader(GetName(),topfoldername); |
648 | ||
649 | AliInfo("Adding Tracklets-loader"); | |
e7539003 | 650 | |
651 | AliDataLoader *dl = new AliDataLoader("TRD.Tracklets.root" | |
652 | ,"tracklets" | |
653 | ,"tracklets"); | |
9c7c9ec1 | 654 | fLoader->AddDataLoader(dl); |
e7539003 | 655 | |
656 | dl = new AliDataLoader("TRD.GtuTracks.root" | |
657 | ,"gtutracks" | |
658 | ,"gtutracks"); | |
c8b1590d | 659 | fLoader->AddDataLoader(dl); |
e7539003 | 660 | |
9c7c9ec1 | 661 | return fLoader; |
e7539003 | 662 | |
9c7c9ec1 | 663 | } |
664 | ||
dd9a6ee3 | 665 | //_____________________________________________________________________________ |
666 | AliTRD &AliTRD::operator=(const AliTRD &trd) | |
667 | { | |
668 | // | |
669 | // Assignment operator | |
670 | // | |
671 | ||
0c5a8090 | 672 | if (this != &trd) { |
673 | ((AliTRD &) trd).Copy(*this); | |
674 | } | |
030b4415 | 675 | |
dd9a6ee3 | 676 | return *this; |
677 | ||
68119ad1 | 678 | } |