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1 | /************************************************************************** | |
2 | * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * | |
3 | * * | |
4 | * Author: The ALICE Off-line Project. * | |
5 | * Contributors are mentioned in the code where appropriate. * | |
6 | * * | |
7 | * Permission to use, copy, modify and distribute this software and its * | |
8 | * documentation strictly for non-commercial purposes is hereby granted * | |
9 | * without fee, provided that the above copyright notice appears in all * | |
10 | * copies and that both the copyright notice and this permission notice * | |
11 | * appear in the supporting documentation. The authors make no claims * | |
12 | * about the suitability of this software for any purpose. It is * | |
13 | * provided "as is" without express or implied warranty. * | |
14 | **************************************************************************/ | |
15 | ||
16 | /* $Id$ */ | |
17 | ||
18 | /////////////////////////////////////////////////////////////////////////////// | |
19 | // // | |
20 | // Transition Radiation Detector // | |
21 | // This class contains the basic functions for the Transition Radiation // | |
22 | // Detector. // | |
23 | // // | |
24 | /////////////////////////////////////////////////////////////////////////////// | |
25 | ||
26 | #include <TGeoGlobalMagField.h> | |
27 | #include <TVirtualMC.h> | |
28 | ||
29 | #include "AliMC.h" | |
30 | #include "AliMagF.h" | |
31 | #include "AliRun.h" | |
32 | ||
33 | #include "AliTRD.h" | |
34 | #include "AliTRDdigitizer.h" | |
35 | #include "AliTRDdigitsManager.h" | |
36 | #include "AliTRDgeometry.h" | |
37 | #include "AliTRDhit.h" | |
38 | #include "AliTRDrawData.h" | |
39 | #include "AliTRDCommonParam.h" | |
40 | ||
41 | ClassImp(AliTRD) | |
42 | ||
43 | //_____________________________________________________________________________ | |
44 | AliTRD::AliTRD() | |
45 | :AliDetector() | |
46 | ,fGeometry(0) | |
47 | ,fGasDensity(0) | |
48 | ,fFoilDensity(0) | |
49 | ,fGasNobleFraction(0) | |
50 | { | |
51 | // | |
52 | // Default constructor | |
53 | // | |
54 | ||
55 | } | |
56 | ||
57 | //_____________________________________________________________________________ | |
58 | AliTRD::AliTRD(const char *name, const char *title) | |
59 | :AliDetector(name,title) | |
60 | ,fGeometry(0) | |
61 | ,fGasDensity(0) | |
62 | ,fFoilDensity(0) | |
63 | ,fGasNobleFraction(0) | |
64 | { | |
65 | // | |
66 | // Standard constructor for the TRD | |
67 | // | |
68 | ||
69 | // Check that FRAME is there otherwise we have no place where to put TRD | |
70 | AliModule *frame = gAlice->GetModule("FRAME"); | |
71 | if (!frame) { | |
72 | AliError("TRD needs FRAME to be present\n"); | |
73 | exit(1); | |
74 | } | |
75 | ||
76 | // Define the TRD geometry | |
77 | if ((frame->IsVersion() == 0) || | |
78 | (frame->IsVersion() == 1)) { | |
79 | fGeometry = new AliTRDgeometry(); | |
80 | } | |
81 | else { | |
82 | AliError("Could not find valid FRAME version\n"); | |
83 | exit(1); | |
84 | } | |
85 | ||
86 | // Allocate the hit array | |
87 | fHits = new TClonesArray("AliTRDhit",405); | |
88 | gAlice->GetMCApp()->AddHitList(fHits); | |
89 | ||
90 | } | |
91 | ||
92 | //_____________________________________________________________________________ | |
93 | AliTRD::~AliTRD() | |
94 | { | |
95 | // | |
96 | // TRD destructor | |
97 | // | |
98 | ||
99 | if (fGeometry) { | |
100 | delete fGeometry; | |
101 | fGeometry = 0; | |
102 | } | |
103 | ||
104 | if (fHits) { | |
105 | delete fHits; | |
106 | fHits = 0; | |
107 | } | |
108 | ||
109 | } | |
110 | ||
111 | //_____________________________________________________________________________ | |
112 | void AliTRD::Hits2Digits() | |
113 | { | |
114 | // | |
115 | // Create digits | |
116 | // | |
117 | ||
118 | AliTRDdigitizer digitizer("TRDdigitizer","TRD digitizer class"); | |
119 | AliLog::SetClassDebugLevel("TRDdigitizer",AliDebugLevel()); | |
120 | ||
121 | // Initialization | |
122 | digitizer.InitDetector(); | |
123 | ||
124 | if (!fLoader->TreeH()) { | |
125 | fLoader->LoadHits("read"); | |
126 | } | |
127 | fLoader->LoadDigits("recreate"); | |
128 | ||
129 | AliRunLoader *runLoader = fLoader->GetRunLoader(); | |
130 | ||
131 | for (Int_t iEvent = 0; iEvent < runLoader->GetNumberOfEvents(); iEvent++) { | |
132 | runLoader->GetEvent(iEvent); | |
133 | digitizer.Open(runLoader,iEvent); | |
134 | digitizer.MakeDigits(); | |
135 | digitizer.WriteDigits(); | |
136 | } | |
137 | ||
138 | fLoader->UnloadHits(); | |
139 | fLoader->UnloadDigits(); | |
140 | ||
141 | } | |
142 | ||
143 | //_____________________________________________________________________________ | |
144 | void AliTRD::Hits2SDigits() | |
145 | { | |
146 | // | |
147 | // Create summable digits | |
148 | // | |
149 | ||
150 | AliTRDdigitizer digitizer("TRDdigitizer","TRD digitizer class"); | |
151 | // For the summable digits | |
152 | digitizer.SetSDigits(kTRUE); | |
153 | AliLog::SetClassDebugLevel("TRDdigitizer",AliDebugLevel()); | |
154 | ||
155 | // Initialization | |
156 | digitizer.InitDetector(); | |
157 | ||
158 | if (!fLoader->TreeH()) { | |
159 | fLoader->LoadHits("read"); | |
160 | } | |
161 | fLoader->LoadSDigits("recreate"); | |
162 | ||
163 | AliRunLoader *runLoader = fLoader->GetRunLoader(); | |
164 | ||
165 | for (Int_t iEvent = 0; iEvent < runLoader->GetNumberOfEvents(); iEvent++) { | |
166 | runLoader->GetEvent(iEvent); | |
167 | digitizer.Open(runLoader,iEvent); | |
168 | digitizer.MakeDigits(); | |
169 | digitizer.WriteDigits(); | |
170 | } | |
171 | ||
172 | fLoader->UnloadHits(); | |
173 | fLoader->UnloadSDigits(); | |
174 | ||
175 | } | |
176 | ||
177 | //_____________________________________________________________________________ | |
178 | AliDigitizer *AliTRD::CreateDigitizer(AliRunDigitizer *manager) const | |
179 | { | |
180 | // | |
181 | // Creates a new digitizer object | |
182 | // | |
183 | ||
184 | return new AliTRDdigitizer(manager); | |
185 | ||
186 | } | |
187 | ||
188 | //_____________________________________________________________________________ | |
189 | void AliTRD::SDigits2Digits() | |
190 | { | |
191 | // | |
192 | // Create final digits from summable digits | |
193 | // | |
194 | ||
195 | // Create the TRD digitizer | |
196 | AliTRDdigitizer digitizer("TRDdigitizer","TRD digitizer class"); | |
197 | AliLog::SetClassDebugLevel("TRDdigitizer",AliDebugLevel()); | |
198 | ||
199 | // Set the parameter | |
200 | digitizer.SetEvent(gAlice->GetEvNumber()); | |
201 | ||
202 | // Initialization | |
203 | digitizer.InitDetector(); | |
204 | ||
205 | // Read the s-digits via digits manager | |
206 | AliTRDdigitsManager sdigitsManager; | |
207 | ||
208 | AliLog::SetClassDebugLevel("TRDdigitisManager",AliDebugLevel()); | |
209 | sdigitsManager.SetSDigits(kTRUE); | |
210 | sdigitsManager.CreateArrays(); | |
211 | ||
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 | } | |
221 | ||
222 | sdigitsManager.ReadDigits(fLoader->TreeS()); | |
223 | ||
224 | // Add the s-digits to the input list | |
225 | digitizer.AddSDigitsManager(&sdigitsManager); | |
226 | ||
227 | // Convert the s-digits to normal digits | |
228 | digitizer.SDigits2Digits(); | |
229 | ||
230 | // Store the digits | |
231 | if (!fLoader->TreeD()) { | |
232 | fLoader->MakeTree("D"); | |
233 | } | |
234 | if (digitizer.MakeBranch(fLoader->TreeD())){ | |
235 | digitizer.WriteDigits(); | |
236 | } | |
237 | ||
238 | } | |
239 | ||
240 | //_____________________________________________________________________________ | |
241 | void AliTRD::Digits2Raw() | |
242 | { | |
243 | // | |
244 | // Convert digits of the current event to raw data | |
245 | // | |
246 | ||
247 | fLoader->LoadDigits(); | |
248 | TTree *digits = fLoader->TreeD(); | |
249 | if (!digits) { | |
250 | AliError("No digits tree"); | |
251 | return; | |
252 | } | |
253 | ||
254 | AliTRDrawData rawWriter; | |
255 | if (!rawWriter.Digits2Raw(digits)) { | |
256 | AliError("The raw writer could not load the digits tree"); | |
257 | } | |
258 | ||
259 | fLoader->UnloadDigits(); | |
260 | ||
261 | } | |
262 | ||
263 | //_____________________________________________________________________________ | |
264 | void AliTRD::AddHit(Int_t track, Int_t det, Float_t *hits, Int_t q | |
265 | , Float_t time, Bool_t inDrift) | |
266 | { | |
267 | // | |
268 | // Add a hit for the TRD | |
269 | // | |
270 | ||
271 | TClonesArray &lhits = *fHits; | |
272 | AliTRDhit *hit = new(lhits[fNhits++]) AliTRDhit(fIshunt | |
273 | ,track | |
274 | ,det | |
275 | ,hits | |
276 | ,q | |
277 | ,time); | |
278 | ||
279 | if (inDrift) { | |
280 | hit->SetDrift(); | |
281 | } | |
282 | else { | |
283 | hit->SetAmplification(); | |
284 | } | |
285 | ||
286 | if (q < 0) { | |
287 | hit->SetTRphoton(); | |
288 | } | |
289 | ||
290 | } | |
291 | ||
292 | //_____________________________________________________________________________ | |
293 | void AliTRD::CreateGeometry() | |
294 | { | |
295 | // | |
296 | // Creates the volumes for the TRD chambers | |
297 | // | |
298 | ||
299 | // Check that FRAME is there otherwise we have no place where to put the TRD | |
300 | AliModule *frame = gAlice->GetModule("FRAME"); | |
301 | if (!frame) { | |
302 | AliFatal("The TRD needs the FRAME to be defined first"); | |
303 | } | |
304 | ||
305 | fGeometry->CreateGeometry(fIdtmed->GetArray() - 1299); | |
306 | ||
307 | } | |
308 | ||
309 | //_____________________________________________________________________________ | |
310 | void AliTRD::CreateMaterials() | |
311 | { | |
312 | // | |
313 | // Create the materials for the TRD | |
314 | // | |
315 | ||
316 | Int_t isxfld = ((AliMagF*)TGeoGlobalMagField::Instance()->GetField())->Integ(); | |
317 | Float_t sxmgmx = ((AliMagF*)TGeoGlobalMagField::Instance()->GetField())->Max(); | |
318 | ||
319 | // For polyethilene (CH2) | |
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; | |
324 | ||
325 | // For CO2 | |
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 }; | |
329 | Float_t dco = 0.00186; // at 20C | |
330 | ||
331 | // For water | |
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; | |
336 | ||
337 | // For plexiglas (C5H8O2) | |
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; | |
342 | ||
343 | // For epoxy (C18H19O3) | |
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 }; | |
347 | Float_t dEpoxy = 1.8 ; | |
348 | ||
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 | ||
355 | // For air | |
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 }; | |
359 | Float_t dAir = 1.20479e-03; | |
360 | ||
361 | // For G10 | |
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 }; | |
365 | Float_t dG10 = 1.7; | |
366 | ||
367 | // For Xe/CO2-gas-mixture | |
368 | Float_t aXeCO2[3] = { 131.29 , 12.0107 , 15.9994 }; | |
369 | Float_t zXeCO2[3] = { 54.0 , 6.0 , 8.0 }; | |
370 | Float_t wXeCO2[3] = { 8.5 , 1.5 , 3.0 }; | |
371 | // Xe-content of the Xe/CO2-mixture (85% / 15%) | |
372 | Float_t fxc = 0.85; | |
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; | |
384 | ||
385 | // General tracking parameter | |
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; | |
391 | ||
392 | ////////////////////////////////////////////////////////////////////////// | |
393 | // Define Materials | |
394 | ////////////////////////////////////////////////////////////////////////// | |
395 | ||
396 | AliMaterial( 1, "Al" , 26.98, 13.0, 2.7 , 8.9 , 37.2); | |
397 | AliMaterial( 4, "Xe" , 131.29, 54.0, dxe , 1546.16, 0.0); | |
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); | |
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); | |
402 | AliMaterial(18, "Fe" , 55.85, 26.0, 7.87 , 1.76, 14.8); | |
403 | ||
404 | // Mixtures | |
405 | AliMixture(2, "Air" , aAir, zAir, dAir, 4, wAir ); | |
406 | AliMixture(3, "Polyethilene", ape, zpe, dpe, -2, wpe ); | |
407 | AliMixture(8, "CO2", aco, zco, dco, -2, wco ); | |
408 | if (AliTRDCommonParam::Instance()->IsXenon()) { | |
409 | AliMixture(10,"XeCO2", aXeCO2, zXeCO2, dgmXe, -3, wXeCO2); | |
410 | } | |
411 | else if (AliTRDCommonParam::Instance()->IsArgon()) { | |
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 | } | |
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); | |
423 | AliMixture(19,"Araldite", aAral, zAral, dAral, -3, wAral ); | |
424 | ||
425 | ////////////////////////////////////////////////////////////////////////// | |
426 | // Tracking Media Parameters | |
427 | ////////////////////////////////////////////////////////////////////////// | |
428 | ||
429 | // Al Frame | |
430 | AliMedium( 1,"Al Frame" , 1,0,isxfld,sxmgmx | |
431 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
432 | // Air | |
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); | |
441 | // Cu pads | |
442 | AliMedium( 5,"Padplane" , 5,1,isxfld,sxmgmx | |
443 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
444 | // Fee + cables | |
445 | AliMedium( 6,"Readout" , 5,0,isxfld,sxmgmx | |
446 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
447 | // C frame | |
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); | |
453 | // Gas-mixture (Xe/CO2) | |
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); | |
462 | // G10-plates | |
463 | AliMedium(13,"G10-plates" ,12,0,isxfld,sxmgmx | |
464 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
465 | // Cooling water | |
466 | AliMedium(14,"Water" ,13,0,isxfld,sxmgmx | |
467 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
468 | // Rohacell (plexiglas) for the radiator | |
469 | AliMedium(15,"Rohacell" ,14,0,isxfld,sxmgmx | |
470 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
471 | // Al layer in MCMs | |
472 | AliMedium(16,"MCM-Al" , 1,0,isxfld,sxmgmx | |
473 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
474 | // Sn layer in MCMs | |
475 | AliMedium(17,"MCM-Sn" ,15,0,isxfld,sxmgmx | |
476 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
477 | // Cu layer in MCMs | |
478 | AliMedium(18,"MCM-Cu" , 5,0,isxfld,sxmgmx | |
479 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
480 | // G10 layer in MCMs | |
481 | AliMedium(19,"MCM-G10" ,12,0,isxfld,sxmgmx | |
482 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
483 | // Si in readout chips | |
484 | AliMedium(20,"Chip-Si" ,16,0,isxfld,sxmgmx | |
485 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
486 | // Epoxy in readout chips | |
487 | AliMedium(21,"Chip-Ep" ,17,0,isxfld,sxmgmx | |
488 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
489 | // PE in connectors | |
490 | AliMedium(22,"Conn-PE" , 3,0,isxfld,sxmgmx | |
491 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
492 | // Cu in connectors | |
493 | AliMedium(23,"Chip-Cu" , 5,0,isxfld,sxmgmx | |
494 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
495 | // Al of cooling pipes | |
496 | AliMedium(24,"Cooling" , 1,0,isxfld,sxmgmx | |
497 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
498 | // Cu in services | |
499 | AliMedium(25,"Serv-Cu" , 5,0,isxfld,sxmgmx | |
500 | ,tmaxfd,stemax,deemax,epsil,stmin); | |
501 | ||
502 | // Save the density values for the TRD absorbtion | |
503 | Float_t dmy = 1.39; | |
504 | fFoilDensity = dmy; | |
505 | if (AliTRDCommonParam::Instance()->IsXenon()) { | |
506 | fGasDensity = dgmXe; | |
507 | fGasNobleFraction = fxc; | |
508 | } | |
509 | else if (AliTRDCommonParam::Instance()->IsArgon()) { | |
510 | fGasDensity = dgmAr; | |
511 | fGasNobleFraction = fac; | |
512 | } | |
513 | ||
514 | } | |
515 | ||
516 | //_____________________________________________________________________________ | |
517 | void AliTRD::Init() | |
518 | { | |
519 | // | |
520 | // Initialize the TRD detector after the geometry has been created | |
521 | // | |
522 | ||
523 | AliDebug(1,"++++++++++++++++++++++++++++++++++++++++++++++"); | |
524 | ||
525 | if (fGeometry->IsVersion() != 1) { | |
526 | AliError("Not a valid geometry"); | |
527 | } | |
528 | ||
529 | // Special tracking options for charged particles for XeCO2 | |
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 | |
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 | |
536 | ||
537 | } | |
538 | ||
539 | //_____________________________________________________________________________ | |
540 | void AliTRD::ResetDigits() | |
541 | { | |
542 | // | |
543 | // Reset number of digits and the digits array for this detector | |
544 | // | |
545 | ||
546 | fNdigits = 0; | |
547 | ||
548 | if (fDigits) { | |
549 | fDigits->Clear(); | |
550 | } | |
551 | ||
552 | } | |
553 | ||
554 | //_____________________________________________________________________________ | |
555 | void AliTRD::SetTreeAddress() | |
556 | { | |
557 | // | |
558 | // Set the branch addresses for the trees. | |
559 | // | |
560 | ||
561 | if (fLoader->TreeH() && | |
562 | (fHits == 0x0)) { | |
563 | fHits = new TClonesArray("AliTRDhit",405); | |
564 | } | |
565 | AliDetector::SetTreeAddress(); | |
566 | ||
567 | } | |
568 | ||
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 | ||
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 | dl = new AliDataLoader("TRD.GtuTracks.root", "gtutracks", "gtutracks"); | |
612 | fLoader->AddDataLoader(dl); | |
613 | ||
614 | return fLoader; | |
615 | } | |
616 | ||
617 | //_____________________________________________________________________________ | |
618 | AliTRD &AliTRD::operator=(const AliTRD &trd) | |
619 | { | |
620 | // | |
621 | // Assignment operator | |
622 | // | |
623 | ||
624 | if (this != &trd) { | |
625 | ((AliTRD &) trd).Copy(*this); | |
626 | } | |
627 | ||
628 | return *this; | |
629 | ||
630 | } |