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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 | ||
16 | /* | |
17 | $Log$ | |
b584c7dd | 18 | Revision 1.58 2002/05/27 14:33:14 hristov |
19 | The new class AliTrackReference used (M.Ivanov) | |
20 | ||
da33556f | 21 | Revision 1.57 2002/05/07 17:23:11 kowal2 |
22 | Linear gain inefficiency instead of the step one at the wire edges. | |
23 | ||
e8f678d7 | 24 | Revision 1.56 2002/04/04 16:26:33 kowal2 |
25 | Digits (Sdigits) go to separate files now. | |
26 | ||
12d8d654 | 27 | Revision 1.55 2002/03/29 06:57:45 kowal2 |
28 | Restored backward compatibility to use the hits from Dec. 2000 production. | |
29 | ||
7a09f434 | 30 | Revision 1.54 2002/03/18 17:59:13 kowal2 |
31 | Chnges in the pad geometry - 3 pad lengths introduced. | |
32 | ||
f03e3423 | 33 | Revision 1.53 2002/02/25 11:02:56 kowal2 |
34 | Changes towards speeding up the code. Thanks to Marian Ivanov. | |
35 | ||
de61d5d5 | 36 | Revision 1.52 2002/02/18 09:26:09 kowal2 |
37 | Removed compiler warning | |
38 | ||
43510af3 | 39 | Revision 1.51 2002/01/21 17:13:21 kowal2 |
40 | New track hits using root containers. Setting active sectors added. | |
41 | ||
792bb11c | 42 | Revision 1.50 2001/12/06 14:16:19 kowal2 |
43 | meaningfull printouts | |
44 | ||
0a9b058d | 45 | Revision 1.49 2001/11/30 11:55:37 hristov |
46 | Noise table created in Hits2SDigits (M.Ivanov) | |
47 | ||
180f4872 | 48 | Revision 1.48 2001/11/24 16:10:21 kowal2 |
49 | Faster algorithms. | |
50 | ||
407ff276 | 51 | Revision 1.47 2001/11/19 10:25:34 kowal2 |
52 | Nearest integer instead of integer when converting to ADC counts | |
53 | ||
68771f83 | 54 | Revision 1.46 2001/11/07 06:47:12 kowal2 |
55 | Removed printouts | |
56 | ||
9fe90376 | 57 | Revision 1.45 2001/11/03 13:33:48 kowal2 |
58 | Updated algorithms in Hits2SDigits, SDigits2Digits, | |
59 | Hits2ExactClusters. | |
60 | Added method Merge | |
61 | ||
5f16d237 | 62 | Revision 1.44 2001/08/30 09:28:48 hristov |
63 | TTree names are explicitly set via SetName(name) and then Write() is called | |
64 | ||
6bc3458d | 65 | Revision 1.43 2001/07/28 12:02:54 hristov |
66 | Branch split level set to 99 | |
67 | ||
8f90302f | 68 | Revision 1.42 2001/07/28 11:38:52 hristov |
69 | Loop variable declared once | |
70 | ||
43272665 | 71 | Revision 1.41 2001/07/28 10:53:50 hristov |
72 | Digitisation done according to the general scheme (M.Ivanov) | |
73 | ||
0a61bf9d | 74 | Revision 1.40 2001/07/27 13:03:14 hristov |
75 | Default Branch split level set to 99 | |
76 | ||
d0f40f23 | 77 | Revision 1.39 2001/07/26 09:09:34 kowal2 |
78 | Hits2Reco method added | |
79 | ||
a62d28a2 | 80 | Revision 1.38 2001/07/20 14:32:43 kowal2 |
81 | Processing of many events possible now | |
82 | ||
afc42102 | 83 | Revision 1.37 2001/06/12 07:17:18 kowal2 |
84 | Hits2SDigits method implemented (summable digits) | |
85 | ||
f8cf550c | 86 | Revision 1.36 2001/05/16 14:57:25 alibrary |
87 | New files for folders and Stack | |
88 | ||
9e1a0ddb | 89 | Revision 1.35 2001/05/08 16:02:22 kowal2 |
90 | Updated material specifications | |
91 | ||
ba1d05f9 | 92 | Revision 1.34 2001/05/08 15:00:15 hristov |
93 | Corrections for tracking in arbitrary magnenetic field. Changes towards a concept of global Alice track. Back propagation of reconstructed tracks (Yu.Belikov) | |
94 | ||
b9de75e1 | 95 | Revision 1.33 2001/04/03 12:40:43 kowal2 |
96 | Removed printouts | |
97 | ||
5a28a08f | 98 | Revision 1.32 2001/03/12 17:47:36 hristov |
99 | Changes needed on Sun with CC 5.0 | |
100 | ||
5cf7bbad | 101 | Revision 1.31 2001/03/12 08:21:50 kowal2 |
102 | Corrected C++ bug in the material definitions | |
103 | ||
9a3667bd | 104 | Revision 1.30 2001/03/01 17:34:47 kowal2 |
105 | Correction due to the accuracy problem | |
106 | ||
710dacf5 | 107 | Revision 1.29 2001/02/28 16:34:40 kowal2 |
108 | Protection against nonphysical values of the avalanche size, | |
109 | 10**6 is the maximum | |
110 | ||
1705494b | 111 | Revision 1.28 2001/01/26 19:57:19 hristov |
112 | Major upgrade of AliRoot code | |
113 | ||
2ab0c725 | 114 | Revision 1.27 2001/01/13 17:29:33 kowal2 |
115 | Sun compiler correction | |
116 | ||
f2e8b846 | 117 | Revision 1.26 2001/01/10 07:59:43 kowal2 |
118 | Corrections to load points from the noncompressed hits. | |
119 | ||
53048f2e | 120 | Revision 1.25 2000/11/02 07:25:31 kowal2 |
121 | Changes due to the new hit structure. | |
122 | Memory leak removed. | |
123 | ||
39c8eb58 | 124 | Revision 1.24 2000/10/05 16:06:09 kowal2 |
125 | Forward declarations. Changes due to a new class AliComplexCluster. | |
126 | ||
2b06d5c3 | 127 | Revision 1.23 2000/10/02 21:28:18 fca |
128 | Removal of useless dependecies via forward declarations | |
129 | ||
94de3818 | 130 | Revision 1.22 2000/07/10 20:57:39 hristov |
131 | Update of TPC code and macros by M.Kowalski | |
132 | ||
73042f01 | 133 | Revision 1.19.2.4 2000/06/26 07:39:42 kowal2 |
134 | Changes to obey the coding rules | |
135 | ||
136 | Revision 1.19.2.3 2000/06/25 08:38:41 kowal2 | |
137 | Splitted from AliTPCtracking | |
138 | ||
139 | Revision 1.19.2.2 2000/06/16 12:59:28 kowal2 | |
140 | Changed parameter settings | |
141 | ||
142 | Revision 1.19.2.1 2000/06/09 07:15:07 kowal2 | |
143 | ||
144 | Defaults loaded automatically (hard-wired) | |
145 | Optional parameters can be set via macro called in the constructor | |
146 | ||
147 | Revision 1.19 2000/04/18 19:00:59 fca | |
148 | Small bug fixes to TPC files | |
149 | ||
4d68a14a | 150 | Revision 1.18 2000/04/17 09:37:33 kowal2 |
151 | removed obsolete AliTPCDigitsDisplay.C | |
152 | ||
cc80f89e | 153 | Revision 1.17.2.2 2000/04/10 08:15:12 kowal2 |
154 | ||
155 | New, experimental data structure from M. Ivanov | |
156 | New tracking algorithm | |
157 | Different pad geometry for different sectors | |
158 | Digitization rewritten | |
159 | ||
160 | Revision 1.17.2.1 2000/04/10 07:56:53 kowal2 | |
161 | Not used anymore - removed | |
162 | ||
163 | Revision 1.17 2000/01/19 17:17:30 fca | |
164 | Introducing a list of lists of hits -- more hits allowed for detector now | |
165 | ||
1cedd08a | 166 | Revision 1.16 1999/11/05 09:29:23 fca |
167 | Accept only signals > 0 | |
168 | ||
921bf71a | 169 | Revision 1.15 1999/10/08 06:26:53 fca |
170 | Removed ClustersIndex - not used anymore | |
171 | ||
e674b993 | 172 | Revision 1.14 1999/09/29 09:24:33 fca |
173 | Introduction of the Copyright and cvs Log | |
174 | ||
4c039060 | 175 | */ |
176 | ||
fe4da5cc | 177 | /////////////////////////////////////////////////////////////////////////////// |
178 | // // | |
179 | // Time Projection Chamber // | |
180 | // This class contains the basic functions for the Time Projection Chamber // | |
181 | // detector. Functions specific to one particular geometry are // | |
182 | // contained in the derived classes // | |
183 | // // | |
184 | //Begin_Html | |
185 | /* | |
1439f98e | 186 | <img src="picts/AliTPCClass.gif"> |
fe4da5cc | 187 | */ |
188 | //End_Html | |
189 | // // | |
8c555625 | 190 | // // |
fe4da5cc | 191 | /////////////////////////////////////////////////////////////////////////////// |
192 | ||
73042f01 | 193 | // |
194 | ||
fe4da5cc | 195 | #include <TMath.h> |
196 | #include <TRandom.h> | |
197 | #include <TVector.h> | |
8c555625 | 198 | #include <TMatrix.h> |
fe4da5cc | 199 | #include <TGeometry.h> |
200 | #include <TNode.h> | |
201 | #include <TTUBS.h> | |
202 | #include <TObjectTable.h> | |
1578254f | 203 | #include "TParticle.h" |
fe4da5cc | 204 | #include "AliTPC.h" |
afc42102 | 205 | #include <TFile.h> |
206 | #include <TROOT.h> | |
207 | #include <TSystem.h> | |
fe4da5cc | 208 | #include "AliRun.h" |
209 | #include <iostream.h> | |
2ab0c725 | 210 | #include <stdlib.h> |
fe4da5cc | 211 | #include <fstream.h> |
212 | #include "AliMC.h" | |
94de3818 | 213 | #include "AliMagF.h" |
da33556f | 214 | #include "AliTrackReference.h" |
fe4da5cc | 215 | |
cc80f89e | 216 | |
73042f01 | 217 | #include "AliTPCParamSR.h" |
8c555625 | 218 | #include "AliTPCPRF2D.h" |
219 | #include "AliTPCRF1D.h" | |
cc80f89e | 220 | #include "AliDigits.h" |
221 | #include "AliSimDigits.h" | |
39c8eb58 | 222 | #include "AliTPCTrackHits.h" |
792bb11c | 223 | #include "AliTPCTrackHitsV2.h" |
39c8eb58 | 224 | #include "AliPoints.h" |
225 | #include "AliArrayBranch.h" | |
226 | ||
cc80f89e | 227 | |
228 | #include "AliTPCDigitsArray.h" | |
2b06d5c3 | 229 | #include "AliComplexCluster.h" |
cc80f89e | 230 | #include "AliClusters.h" |
231 | #include "AliTPCClustersRow.h" | |
232 | #include "AliTPCClustersArray.h" | |
8c555625 | 233 | |
73042f01 | 234 | #include "AliTPCcluster.h" |
235 | #include "AliTPCclusterer.h" | |
236 | #include "AliTPCtracker.h" | |
8c555625 | 237 | |
73042f01 | 238 | #include <TInterpreter.h> |
2b06d5c3 | 239 | #include <TTree.h> |
1283eee5 | 240 | |
39c8eb58 | 241 | |
242 | ||
fe4da5cc | 243 | ClassImp(AliTPC) |
244 | ||
de61d5d5 | 245 | //_____________________________________________________________________________ |
246 | // helper class for fast matrix and vector manipulation - no range checking | |
247 | // origin - Marian Ivanov | |
248 | ||
249 | class AliTPCFastMatrix : public TMatrix { | |
250 | public : | |
251 | AliTPCFastMatrix(Int_t row_lwb, Int_t row_upb, Int_t col_lwb, Int_t col_upb); | |
252 | inline Float_t & UncheckedAt(Int_t rown, Int_t coln) const {return (fIndex[coln])[rown];} //fast acces | |
253 | inline Float_t UncheckedAtFast(Int_t rown, Int_t coln) const {return (fIndex[coln])[rown];} //fast acces | |
254 | }; | |
255 | ||
256 | AliTPCFastMatrix::AliTPCFastMatrix(Int_t row_lwb, Int_t row_upb, Int_t col_lwb, Int_t col_upb): | |
257 | TMatrix(row_lwb, row_upb,col_lwb,col_upb) | |
258 | { | |
259 | }; | |
260 | //_____________________________________________________________________________ | |
261 | class AliTPCFastVector : public TVector { | |
262 | public : | |
263 | AliTPCFastVector(Int_t size); | |
264 | inline Float_t & UncheckedAt(Int_t index) const {return fElements[index];} //fast acces | |
265 | }; | |
266 | ||
267 | AliTPCFastVector::AliTPCFastVector(Int_t size):TVector(size){ | |
268 | }; | |
269 | ||
fe4da5cc | 270 | //_____________________________________________________________________________ |
271 | AliTPC::AliTPC() | |
272 | { | |
273 | // | |
274 | // Default constructor | |
275 | // | |
276 | fIshunt = 0; | |
fe4da5cc | 277 | fHits = 0; |
278 | fDigits = 0; | |
fe4da5cc | 279 | fNsectors = 0; |
cc80f89e | 280 | fDigitsArray = 0; |
281 | fClustersArray = 0; | |
afc42102 | 282 | fDefaults = 0; |
792bb11c | 283 | fTrackHits = 0; |
284 | fTrackHitsOld = 0; | |
da33556f | 285 | fHitType = 2; //default CONTAINERS - based on ROOT structure |
407ff276 | 286 | fTPCParam = 0; |
287 | fNoiseTable = 0; | |
792bb11c | 288 | fActiveSectors =0; |
407ff276 | 289 | |
fe4da5cc | 290 | } |
291 | ||
292 | //_____________________________________________________________________________ | |
293 | AliTPC::AliTPC(const char *name, const char *title) | |
294 | : AliDetector(name,title) | |
295 | { | |
296 | // | |
297 | // Standard constructor | |
298 | // | |
299 | ||
300 | // | |
301 | // Initialise arrays of hits and digits | |
302 | fHits = new TClonesArray("AliTPChit", 176); | |
792bb11c | 303 | gAlice->AddHitList(fHits); |
cc80f89e | 304 | fDigitsArray = 0; |
305 | fClustersArray= 0; | |
afc42102 | 306 | fDefaults = 0; |
fe4da5cc | 307 | // |
792bb11c | 308 | fTrackHits = new AliTPCTrackHitsV2; |
39c8eb58 | 309 | fTrackHits->SetHitPrecision(0.002); |
310 | fTrackHits->SetStepPrecision(0.003); | |
792bb11c | 311 | fTrackHits->SetMaxDistance(100); |
312 | ||
313 | fTrackHitsOld = new AliTPCTrackHits; //MI - 13.09.2000 | |
314 | fTrackHitsOld->SetHitPrecision(0.002); | |
315 | fTrackHitsOld->SetStepPrecision(0.003); | |
316 | fTrackHitsOld->SetMaxDistance(100); | |
317 | ||
407ff276 | 318 | fNoiseTable =0; |
39c8eb58 | 319 | |
da33556f | 320 | fHitType = 2; |
792bb11c | 321 | fActiveSectors = 0; |
39c8eb58 | 322 | // |
fe4da5cc | 323 | // Initialise counters |
cc80f89e | 324 | fNsectors = 0; |
cc80f89e | 325 | |
fe4da5cc | 326 | // |
327 | fIshunt = 0; | |
328 | // | |
329 | // Initialise color attributes | |
330 | SetMarkerColor(kYellow); | |
73042f01 | 331 | |
332 | // | |
333 | // Set TPC parameters | |
334 | // | |
335 | ||
afc42102 | 336 | |
337 | if (!strcmp(title,"Default")) { | |
338 | fTPCParam = new AliTPCParamSR; | |
73042f01 | 339 | } else { |
340 | cerr<<"AliTPC warning: in Config.C you must set non-default parameters\n"; | |
341 | fTPCParam=0; | |
342 | } | |
343 | ||
fe4da5cc | 344 | } |
345 | ||
346 | //_____________________________________________________________________________ | |
347 | AliTPC::~AliTPC() | |
348 | { | |
349 | // | |
350 | // TPC destructor | |
351 | // | |
73042f01 | 352 | |
fe4da5cc | 353 | fIshunt = 0; |
354 | delete fHits; | |
355 | delete fDigits; | |
73042f01 | 356 | delete fTPCParam; |
39c8eb58 | 357 | delete fTrackHits; //MI 15.09.2000 |
792bb11c | 358 | delete fTrackHitsOld; //MI 10.12.2001 |
407ff276 | 359 | if (fNoiseTable) delete [] fNoiseTable; |
360 | ||
fe4da5cc | 361 | } |
362 | ||
fe4da5cc | 363 | //_____________________________________________________________________________ |
364 | void AliTPC::AddHit(Int_t track, Int_t *vol, Float_t *hits) | |
365 | { | |
366 | // | |
367 | // Add a hit to the list | |
368 | // | |
39c8eb58 | 369 | // TClonesArray &lhits = *fHits; |
370 | // new(lhits[fNhits++]) AliTPChit(fIshunt,track,vol,hits); | |
371 | if (fHitType&1){ | |
372 | TClonesArray &lhits = *fHits; | |
373 | new(lhits[fNhits++]) AliTPChit(fIshunt,track,vol,hits); | |
374 | } | |
792bb11c | 375 | if (fHitType>1) |
39c8eb58 | 376 | AddHit2(track,vol,hits); |
fe4da5cc | 377 | } |
da33556f | 378 | |
379 | void AliTPC::AddTrackReference(Int_t lab, TLorentzVector p, TLorentzVector x){ | |
380 | // | |
381 | // add a trackrefernce to the list | |
382 | if (!fTrackReferences) { | |
383 | cerr<<"Container trackrefernce not active\n"; | |
384 | return; | |
385 | } | |
386 | Int_t nref = fTrackReferences->GetEntriesFast(); | |
387 | TClonesArray &lref = *fTrackReferences; | |
388 | AliTrackReference * ref = new(lref[nref]) AliTrackReference; | |
389 | ref->SetMomentum(p[0],p[1],p[2]); | |
390 | ref->SetPosition(x[0],x[1],x[2]); | |
391 | ref->SetTrack(lab); | |
392 | } | |
fe4da5cc | 393 | |
fe4da5cc | 394 | //_____________________________________________________________________________ |
395 | void AliTPC::BuildGeometry() | |
396 | { | |
cc80f89e | 397 | |
fe4da5cc | 398 | // |
399 | // Build TPC ROOT TNode geometry for the event display | |
400 | // | |
73042f01 | 401 | TNode *nNode, *nTop; |
fe4da5cc | 402 | TTUBS *tubs; |
403 | Int_t i; | |
404 | const int kColorTPC=19; | |
1283eee5 | 405 | char name[5], title[25]; |
fe4da5cc | 406 | const Double_t kDegrad=TMath::Pi()/180; |
1283eee5 | 407 | const Double_t kRaddeg=180./TMath::Pi(); |
408 | ||
1283eee5 | 409 | |
73042f01 | 410 | Float_t innerOpenAngle = fTPCParam->GetInnerAngle(); |
411 | Float_t outerOpenAngle = fTPCParam->GetOuterAngle(); | |
1283eee5 | 412 | |
73042f01 | 413 | Float_t innerAngleShift = fTPCParam->GetInnerAngleShift(); |
414 | Float_t outerAngleShift = fTPCParam->GetOuterAngleShift(); | |
1283eee5 | 415 | |
416 | Int_t nLo = fTPCParam->GetNInnerSector()/2; | |
417 | Int_t nHi = fTPCParam->GetNOuterSector()/2; | |
418 | ||
73042f01 | 419 | const Double_t kloAng = (Double_t)TMath::Nint(innerOpenAngle*kRaddeg); |
420 | const Double_t khiAng = (Double_t)TMath::Nint(outerOpenAngle*kRaddeg); | |
421 | const Double_t kloAngSh = (Double_t)TMath::Nint(innerAngleShift*kRaddeg); | |
422 | const Double_t khiAngSh = (Double_t)TMath::Nint(outerAngleShift*kRaddeg); | |
1283eee5 | 423 | |
424 | ||
73042f01 | 425 | const Double_t kloCorr = 1/TMath::Cos(0.5*kloAng*kDegrad); |
426 | const Double_t khiCorr = 1/TMath::Cos(0.5*khiAng*kDegrad); | |
1283eee5 | 427 | |
428 | Double_t rl,ru; | |
429 | ||
430 | ||
fe4da5cc | 431 | // |
432 | // Get ALICE top node | |
fe4da5cc | 433 | // |
1283eee5 | 434 | |
73042f01 | 435 | nTop=gAlice->GetGeometry()->GetNode("alice"); |
1283eee5 | 436 | |
437 | // inner sectors | |
438 | ||
cc80f89e | 439 | rl = fTPCParam->GetInnerRadiusLow(); |
440 | ru = fTPCParam->GetInnerRadiusUp(); | |
1283eee5 | 441 | |
442 | ||
fe4da5cc | 443 | for(i=0;i<nLo;i++) { |
444 | sprintf(name,"LS%2.2d",i); | |
1283eee5 | 445 | name[4]='\0'; |
446 | sprintf(title,"TPC low sector %3d",i); | |
447 | title[24]='\0'; | |
448 | ||
73042f01 | 449 | tubs = new TTUBS(name,title,"void",rl*kloCorr,ru*kloCorr,250., |
450 | kloAng*(i-0.5)+kloAngSh,kloAng*(i+0.5)+kloAngSh); | |
fe4da5cc | 451 | tubs->SetNumberOfDivisions(1); |
73042f01 | 452 | nTop->cd(); |
453 | nNode = new TNode(name,title,name,0,0,0,""); | |
454 | nNode->SetLineColor(kColorTPC); | |
455 | fNodes->Add(nNode); | |
fe4da5cc | 456 | } |
1283eee5 | 457 | |
fe4da5cc | 458 | // Outer sectors |
1283eee5 | 459 | |
cc80f89e | 460 | rl = fTPCParam->GetOuterRadiusLow(); |
461 | ru = fTPCParam->GetOuterRadiusUp(); | |
1283eee5 | 462 | |
fe4da5cc | 463 | for(i=0;i<nHi;i++) { |
464 | sprintf(name,"US%2.2d",i); | |
1283eee5 | 465 | name[4]='\0'; |
fe4da5cc | 466 | sprintf(title,"TPC upper sector %d",i); |
1283eee5 | 467 | title[24]='\0'; |
73042f01 | 468 | tubs = new TTUBS(name,title,"void",rl*khiCorr,ru*khiCorr,250, |
469 | khiAng*(i-0.5)+khiAngSh,khiAng*(i+0.5)+khiAngSh); | |
fe4da5cc | 470 | tubs->SetNumberOfDivisions(1); |
73042f01 | 471 | nTop->cd(); |
472 | nNode = new TNode(name,title,name,0,0,0,""); | |
473 | nNode->SetLineColor(kColorTPC); | |
474 | fNodes->Add(nNode); | |
fe4da5cc | 475 | } |
cc80f89e | 476 | |
73042f01 | 477 | } |
1283eee5 | 478 | |
fe4da5cc | 479 | //_____________________________________________________________________________ |
480 | Int_t AliTPC::DistancetoPrimitive(Int_t , Int_t ) | |
481 | { | |
482 | // | |
483 | // Calculate distance from TPC to mouse on the display | |
484 | // Dummy procedure | |
485 | // | |
486 | return 9999; | |
487 | } | |
488 | ||
73042f01 | 489 | void AliTPC::Clusters2Tracks(TFile *of) { |
3c0f9266 | 490 | //----------------------------------------------------------------- |
491 | // This is a track finder. | |
3c0f9266 | 492 | //----------------------------------------------------------------- |
b9de75e1 | 493 | AliTPCtracker tracker(fTPCParam); |
494 | tracker.Clusters2Tracks(gFile,of); | |
fe4da5cc | 495 | } |
496 | ||
497 | //_____________________________________________________________________________ | |
498 | void AliTPC::CreateMaterials() | |
499 | { | |
8c555625 | 500 | //----------------------------------------------- |
37831078 | 501 | // Create Materials for for TPC simulations |
8c555625 | 502 | //----------------------------------------------- |
503 | ||
504 | //----------------------------------------------------------------- | |
505 | // Origin: Marek Kowalski IFJ, Krakow, Marek.Kowalski@ifj.edu.pl | |
506 | //----------------------------------------------------------------- | |
1283eee5 | 507 | |
73042f01 | 508 | Int_t iSXFLD=gAlice->Field()->Integ(); |
509 | Float_t sXMGMX=gAlice->Field()->Max(); | |
1283eee5 | 510 | |
511 | Float_t amat[5]; // atomic numbers | |
512 | Float_t zmat[5]; // z | |
513 | Float_t wmat[5]; // proportions | |
514 | ||
515 | Float_t density; | |
37831078 | 516 | Float_t apure[2]; |
1283eee5 | 517 | |
1283eee5 | 518 | |
37831078 | 519 | //***************** Gases ************************* |
520 | ||
521 | //------------------------------------------------- | |
1283eee5 | 522 | // pure gases |
37831078 | 523 | //------------------------------------------------- |
1283eee5 | 524 | |
37831078 | 525 | // Neon |
1283eee5 | 526 | |
527 | ||
37831078 | 528 | amat[0]= 20.18; |
529 | zmat[0]= 10.; | |
1283eee5 | 530 | density = 0.0009; |
37831078 | 531 | |
532 | apure[0]=amat[0]; | |
1283eee5 | 533 | |
37831078 | 534 | AliMaterial(20,"Ne",amat[0],zmat[0],density,999.,999.); |
1283eee5 | 535 | |
37831078 | 536 | // Argon |
1283eee5 | 537 | |
37831078 | 538 | amat[0]= 39.948; |
539 | zmat[0]= 18.; | |
540 | density = 0.001782; | |
1283eee5 | 541 | |
37831078 | 542 | apure[1]=amat[0]; |
1283eee5 | 543 | |
37831078 | 544 | AliMaterial(21,"Ar",amat[0],zmat[0],density,999.,999.); |
545 | ||
1283eee5 | 546 | |
547 | //-------------------------------------------------------------- | |
548 | // gases - compounds | |
549 | //-------------------------------------------------------------- | |
550 | ||
551 | Float_t amol[3]; | |
552 | ||
37831078 | 553 | // CO2 |
1283eee5 | 554 | |
555 | amat[0]=12.011; | |
556 | amat[1]=15.9994; | |
557 | ||
558 | zmat[0]=6.; | |
559 | zmat[1]=8.; | |
560 | ||
561 | wmat[0]=1.; | |
562 | wmat[1]=2.; | |
563 | ||
564 | density=0.001977; | |
565 | ||
566 | amol[0] = amat[0]*wmat[0]+amat[1]*wmat[1]; | |
567 | ||
568 | AliMixture(10,"CO2",amat,zmat,density,-2,wmat); | |
37831078 | 569 | |
1283eee5 | 570 | // CF4 |
571 | ||
572 | amat[0]=12.011; | |
573 | amat[1]=18.998; | |
574 | ||
575 | zmat[0]=6.; | |
576 | zmat[1]=9.; | |
577 | ||
578 | wmat[0]=1.; | |
579 | wmat[1]=4.; | |
580 | ||
581 | density=0.003034; | |
582 | ||
583 | amol[1] = amat[0]*wmat[0]+amat[1]*wmat[1]; | |
584 | ||
585 | AliMixture(11,"CF4",amat,zmat,density,-2,wmat); | |
586 | ||
37831078 | 587 | |
1283eee5 | 588 | // CH4 |
589 | ||
590 | amat[0]=12.011; | |
591 | amat[1]=1.; | |
592 | ||
593 | zmat[0]=6.; | |
594 | zmat[1]=1.; | |
595 | ||
596 | wmat[0]=1.; | |
597 | wmat[1]=4.; | |
598 | ||
599 | density=0.000717; | |
600 | ||
601 | amol[2] = amat[0]*wmat[0]+amat[1]*wmat[1]; | |
602 | ||
603 | AliMixture(12,"CH4",amat,zmat,density,-2,wmat); | |
604 | ||
605 | //---------------------------------------------------------------- | |
606 | // gases - mixtures, ID >= 20 pure gases, <= 10 ID < 20 -compounds | |
607 | //---------------------------------------------------------------- | |
37831078 | 608 | |
609 | char namate[21]; | |
1283eee5 | 610 | density = 0.; |
611 | Float_t am=0; | |
612 | Int_t nc; | |
37831078 | 613 | Float_t rho,absl,X0,buf[1]; |
1283eee5 | 614 | Int_t nbuf; |
37831078 | 615 | Float_t a,z; |
1283eee5 | 616 | |
617 | for(nc = 0;nc<fNoComp;nc++) | |
618 | { | |
619 | ||
620 | // retrive material constants | |
621 | ||
37831078 | 622 | gMC->Gfmate((*fIdmate)[fMixtComp[nc]],namate,a,z,rho,X0,absl,buf,nbuf); |
1283eee5 | 623 | |
624 | amat[nc] = a; | |
625 | zmat[nc] = z; | |
626 | ||
627 | Int_t nnc = (fMixtComp[nc]>=20) ? fMixtComp[nc]%20 : fMixtComp[nc]%10; | |
628 | ||
37831078 | 629 | am += fMixtProp[nc]*((fMixtComp[nc]>=20) ? apure[nnc] : amol[nnc]); |
1283eee5 | 630 | density += fMixtProp[nc]*rho; // density of the mixture |
631 | ||
632 | } | |
633 | ||
634 | // mixture proportions by weight! | |
635 | ||
636 | for(nc = 0;nc<fNoComp;nc++) | |
637 | { | |
638 | ||
639 | Int_t nnc = (fMixtComp[nc]>=20) ? fMixtComp[nc]%20 : fMixtComp[nc]%10; | |
640 | ||
37831078 | 641 | wmat[nc] = fMixtProp[nc]*((fMixtComp[nc]>=20) ? |
642 | apure[nnc] : amol[nnc])/am; | |
643 | ||
644 | } | |
645 | ||
646 | // Drift gases 1 - nonsensitive, 2 - sensitive | |
1283eee5 | 647 | |
1283eee5 | 648 | AliMixture(31,"Drift gas 1",amat,zmat,density,fNoComp,wmat); |
649 | AliMixture(32,"Drift gas 2",amat,zmat,density,fNoComp,wmat); | |
1283eee5 | 650 | |
1283eee5 | 651 | |
37831078 | 652 | // Air |
653 | ||
654 | amat[0] = 14.61; | |
655 | zmat[0] = 7.3; | |
656 | density = 0.001205; | |
1283eee5 | 657 | |
37831078 | 658 | AliMaterial(24,"Air",amat[0],zmat[0],density,999.,999.); |
1283eee5 | 659 | |
1283eee5 | 660 | |
661 | //---------------------------------------------------------------------- | |
662 | // solid materials | |
663 | //---------------------------------------------------------------------- | |
664 | ||
1283eee5 | 665 | |
37831078 | 666 | // Kevlar C14H22O2N2 |
1283eee5 | 667 | |
37831078 | 668 | amat[0] = 12.011; |
669 | amat[1] = 1.; | |
670 | amat[2] = 15.999; | |
671 | amat[3] = 14.006; | |
1283eee5 | 672 | |
37831078 | 673 | zmat[0] = 6.; |
674 | zmat[1] = 1.; | |
675 | zmat[2] = 8.; | |
676 | zmat[3] = 7.; | |
677 | ||
678 | wmat[0] = 14.; | |
679 | wmat[1] = 22.; | |
680 | wmat[2] = 2.; | |
681 | wmat[3] = 2.; | |
682 | ||
683 | density = 1.45; | |
684 | ||
685 | AliMixture(34,"Kevlar",amat,zmat,density,-4,wmat); | |
686 | ||
687 | // NOMEX | |
1283eee5 | 688 | |
37831078 | 689 | amat[0] = 12.011; |
690 | amat[1] = 1.; | |
691 | amat[2] = 15.999; | |
692 | amat[3] = 14.006; | |
693 | ||
694 | zmat[0] = 6.; | |
695 | zmat[1] = 1.; | |
696 | zmat[2] = 8.; | |
697 | zmat[3] = 7.; | |
698 | ||
699 | wmat[0] = 14.; | |
700 | wmat[1] = 22.; | |
701 | wmat[2] = 2.; | |
702 | wmat[3] = 2.; | |
703 | ||
704 | density = 0.03; | |
1283eee5 | 705 | |
fe4da5cc | 706 | |
37831078 | 707 | AliMixture(35,"NOMEX",amat,zmat,density,-4,wmat); |
708 | ||
709 | // Makrolon C16H18O3 | |
710 | ||
711 | amat[0] = 12.011; | |
712 | amat[1] = 1.; | |
713 | amat[2] = 15.999; | |
1283eee5 | 714 | |
37831078 | 715 | zmat[0] = 6.; |
716 | zmat[1] = 1.; | |
717 | zmat[2] = 8.; | |
718 | ||
719 | wmat[0] = 16.; | |
720 | wmat[1] = 18.; | |
721 | wmat[2] = 3.; | |
722 | ||
723 | density = 1.2; | |
724 | ||
725 | AliMixture(36,"Makrolon",amat,zmat,density,-3,wmat); | |
726 | ||
1283eee5 | 727 | // Mylar C5H4O2 |
728 | ||
729 | amat[0]=12.011; | |
730 | amat[1]=1.; | |
731 | amat[2]=15.9994; | |
732 | ||
733 | zmat[0]=6.; | |
734 | zmat[1]=1.; | |
735 | zmat[2]=8.; | |
736 | ||
737 | wmat[0]=5.; | |
738 | wmat[1]=4.; | |
739 | wmat[2]=2.; | |
740 | ||
741 | density = 1.39; | |
fe4da5cc | 742 | |
37831078 | 743 | AliMixture(37, "Mylar",amat,zmat,density,-3,wmat); |
1283eee5 | 744 | |
ba1d05f9 | 745 | // SiO2 - used later for the glass fiber |
1283eee5 | 746 | |
37831078 | 747 | amat[0]=28.086; |
748 | amat[1]=15.9994; | |
1283eee5 | 749 | |
37831078 | 750 | zmat[0]=14.; |
751 | zmat[1]=8.; | |
1283eee5 | 752 | |
37831078 | 753 | wmat[0]=1.; |
754 | wmat[1]=2.; | |
1283eee5 | 755 | |
1283eee5 | 756 | |
ba1d05f9 | 757 | AliMixture(38,"SiO2",amat,zmat,2.2,-2,wmat); //SiO2 - quartz (rho=2.2) |
1283eee5 | 758 | |
37831078 | 759 | // Al |
1283eee5 | 760 | |
37831078 | 761 | amat[0] = 26.98; |
762 | zmat[0] = 13.; | |
1283eee5 | 763 | |
37831078 | 764 | density = 2.7; |
1283eee5 | 765 | |
37831078 | 766 | AliMaterial(40,"Al",amat[0],zmat[0],density,999.,999.); |
1283eee5 | 767 | |
37831078 | 768 | // Si |
1283eee5 | 769 | |
37831078 | 770 | amat[0] = 28.086; |
9a3667bd | 771 | zmat[0] = 14.; |
1283eee5 | 772 | |
37831078 | 773 | density = 2.33; |
1283eee5 | 774 | |
37831078 | 775 | AliMaterial(41,"Si",amat[0],zmat[0],density,999.,999.); |
1283eee5 | 776 | |
37831078 | 777 | // Cu |
1283eee5 | 778 | |
37831078 | 779 | amat[0] = 63.546; |
780 | zmat[0] = 29.; | |
1283eee5 | 781 | |
37831078 | 782 | density = 8.96; |
1283eee5 | 783 | |
37831078 | 784 | AliMaterial(42,"Cu",amat[0],zmat[0],density,999.,999.); |
1283eee5 | 785 | |
37831078 | 786 | // Tedlar C2H3F |
1283eee5 | 787 | |
37831078 | 788 | amat[0] = 12.011; |
789 | amat[1] = 1.; | |
790 | amat[2] = 18.998; | |
1283eee5 | 791 | |
37831078 | 792 | zmat[0] = 6.; |
793 | zmat[1] = 1.; | |
794 | zmat[2] = 9.; | |
1283eee5 | 795 | |
37831078 | 796 | wmat[0] = 2.; |
797 | wmat[1] = 3.; | |
798 | wmat[2] = 1.; | |
1283eee5 | 799 | |
37831078 | 800 | density = 1.71; |
1283eee5 | 801 | |
37831078 | 802 | AliMixture(43, "Tedlar",amat,zmat,density,-3,wmat); |
1283eee5 | 803 | |
1283eee5 | 804 | |
37831078 | 805 | // Plexiglas C5H8O2 |
1283eee5 | 806 | |
37831078 | 807 | amat[0]=12.011; |
808 | amat[1]=1.; | |
809 | amat[2]=15.9994; | |
1283eee5 | 810 | |
37831078 | 811 | zmat[0]=6.; |
812 | zmat[1]=1.; | |
813 | zmat[2]=8.; | |
1283eee5 | 814 | |
37831078 | 815 | wmat[0]=5.; |
816 | wmat[1]=8.; | |
817 | wmat[2]=2.; | |
1283eee5 | 818 | |
37831078 | 819 | density=1.18; |
1283eee5 | 820 | |
37831078 | 821 | AliMixture(44,"Plexiglas",amat,zmat,density,-3,wmat); |
1283eee5 | 822 | |
ba1d05f9 | 823 | // Epoxy - C14 H20 O3 |
1283eee5 | 824 | |
5a28a08f | 825 | |
826 | amat[0]=12.011; | |
827 | amat[1]=1.; | |
828 | amat[2]=15.9994; | |
829 | ||
830 | zmat[0]=6.; | |
831 | zmat[1]=1.; | |
832 | zmat[2]=8.; | |
833 | ||
ba1d05f9 | 834 | wmat[0]=14.; |
835 | wmat[1]=20.; | |
5a28a08f | 836 | wmat[2]=3.; |
837 | ||
ba1d05f9 | 838 | density=1.25; |
5a28a08f | 839 | |
840 | AliMixture(45,"Epoxy",amat,zmat,density,-3,wmat); | |
37831078 | 841 | |
ba1d05f9 | 842 | // Carbon |
843 | ||
844 | amat[0]=12.011; | |
845 | zmat[0]=6.; | |
846 | density= 2.265; | |
847 | ||
848 | AliMaterial(46,"C",amat[0],zmat[0],density,999.,999.); | |
849 | ||
850 | // get epoxy | |
851 | ||
852 | gMC->Gfmate((*fIdmate)[45],namate,amat[1],zmat[1],rho,X0,absl,buf,nbuf); | |
853 | ||
854 | // Carbon fiber | |
855 | ||
856 | wmat[0]=0.644; // by weight! | |
857 | wmat[1]=0.356; | |
858 | ||
859 | density=0.5*(1.25+2.265); | |
860 | ||
861 | AliMixture(47,"Cfiber",amat,zmat,density,2,wmat); | |
862 | ||
863 | // get SiO2 | |
864 | ||
865 | gMC->Gfmate((*fIdmate)[38],namate,amat[0],zmat[0],rho,X0,absl,buf,nbuf); | |
866 | ||
867 | wmat[0]=0.725; // by weight! | |
868 | wmat[1]=0.275; | |
869 | ||
870 | density=1.7; | |
871 | ||
872 | AliMixture(39,"G10",amat,zmat,density,2,wmat); | |
873 | ||
874 | ||
875 | ||
876 | ||
37831078 | 877 | //---------------------------------------------------------- |
878 | // tracking media for gases | |
879 | //---------------------------------------------------------- | |
880 | ||
881 | AliMedium(0, "Air", 24, 0, iSXFLD, sXMGMX, 10., 999., .1, .01, .1); | |
882 | AliMedium(1, "Drift gas 1", 31, 0, iSXFLD, sXMGMX, 10., 999.,.1,.001, .001); | |
883 | AliMedium(2, "Drift gas 2", 32, 1, iSXFLD, sXMGMX, 10., 999.,.1,.001, .001); | |
884 | AliMedium(3,"CO2",10,0, iSXFLD, sXMGMX, 10., 999.,.1, .001, .001); | |
885 | ||
886 | //----------------------------------------------------------- | |
887 | // tracking media for solids | |
888 | //----------------------------------------------------------- | |
889 | ||
890 | AliMedium(4,"Al",40,0, iSXFLD, sXMGMX, 10., 999., .1, .0005, .001); | |
891 | AliMedium(5,"Kevlar",34,0, iSXFLD, sXMGMX, 10., 999., .1, .0005, .001); | |
892 | AliMedium(6,"Nomex",35,0, iSXFLD, sXMGMX, 10., 999., .1, .001, .001); | |
893 | AliMedium(7,"Makrolon",36,0, iSXFLD, sXMGMX, 10., 999., .1, .001, .001); | |
894 | AliMedium(8,"Mylar",37,0, iSXFLD, sXMGMX, 10., 999., .1, .0005, .001); | |
895 | AliMedium(9,"Tedlar",43,0, iSXFLD, sXMGMX, 10., 999., .1, .0005, .001); | |
896 | AliMedium(10,"Cu",42,0, iSXFLD, sXMGMX, 10., 999., .1, .001, .001); | |
897 | AliMedium(11,"Si",41,0, iSXFLD, sXMGMX, 10., 999., .1, .001, .001); | |
898 | AliMedium(12,"G10",39,0, iSXFLD, sXMGMX, 10., 999., .1, .001, .001); | |
899 | AliMedium(13,"Plexiglas",44,0, iSXFLD, sXMGMX, 10., 999., .1, .001, .001); | |
5a28a08f | 900 | AliMedium(14,"Epoxy",45,0, iSXFLD, sXMGMX, 10., 999., .1, .0005, .001); |
ba1d05f9 | 901 | AliMedium(15,"Cfiber",47,0, iSXFLD, sXMGMX, 10., 999., .1, .001, .001); |
1283eee5 | 902 | |
fe4da5cc | 903 | } |
904 | ||
407ff276 | 905 | void AliTPC::GenerNoise(Int_t tablesize) |
906 | { | |
907 | // | |
908 | //Generate table with noise | |
909 | // | |
910 | if (fTPCParam==0) { | |
911 | // error message | |
912 | fNoiseDepth=0; | |
913 | return; | |
914 | } | |
915 | if (fNoiseTable) delete[] fNoiseTable; | |
916 | fNoiseTable = new Float_t[tablesize]; | |
917 | fNoiseDepth = tablesize; | |
918 | fCurrentNoise =0; //!index of the noise in the noise table | |
919 | ||
920 | Float_t norm = fTPCParam->GetNoise()*fTPCParam->GetNoiseNormFac(); | |
921 | for (Int_t i=0;i<tablesize;i++) fNoiseTable[i]= gRandom->Gaus(0,norm); | |
922 | } | |
923 | ||
924 | Float_t AliTPC::GetNoise() | |
925 | { | |
926 | // get noise from table | |
927 | // if ((fCurrentNoise%10)==0) | |
928 | // fCurrentNoise= gRandom->Rndm()*fNoiseDepth; | |
929 | if (fCurrentNoise>=fNoiseDepth) fCurrentNoise=0; | |
930 | return fNoiseTable[fCurrentNoise++]; | |
931 | //gRandom->Gaus(0, fTPCParam->GetNoise()*fTPCParam->GetNoiseNormFac()); | |
932 | } | |
933 | ||
934 | ||
792bb11c | 935 | Bool_t AliTPC::IsSectorActive(Int_t sec) |
936 | { | |
937 | // | |
938 | // check if the sector is active | |
939 | if (!fActiveSectors) return kTRUE; | |
940 | else return fActiveSectors[sec]; | |
941 | } | |
942 | ||
943 | void AliTPC::SetActiveSectors(Int_t * sectors, Int_t n) | |
944 | { | |
945 | // activate interesting sectors | |
946 | if (fActiveSectors) delete [] fActiveSectors; | |
947 | fActiveSectors = new Bool_t[fTPCParam->GetNSector()]; | |
948 | for (Int_t i=0;i<fTPCParam->GetNSector();i++) fActiveSectors[i]=kFALSE; | |
949 | for (Int_t i=0;i<n;i++) | |
950 | if ((sectors[i]>=0) && sectors[i]<fTPCParam->GetNSector()) fActiveSectors[sectors[i]]=kTRUE; | |
951 | ||
952 | } | |
953 | ||
12d8d654 | 954 | void AliTPC::SetActiveSectors(Int_t flag) |
792bb11c | 955 | { |
956 | // | |
957 | // activate sectors which were hitted by tracks | |
958 | //loop over tracks | |
959 | if (fHitType==0) return; // if Clones hit - not short volume ID information | |
960 | if (fActiveSectors) delete [] fActiveSectors; | |
961 | fActiveSectors = new Bool_t[fTPCParam->GetNSector()]; | |
12d8d654 | 962 | if (flag) { |
963 | for (Int_t i=0;i<fTPCParam->GetNSector();i++) fActiveSectors[i]=kTRUE; | |
964 | return; | |
965 | } | |
792bb11c | 966 | for (Int_t i=0;i<fTPCParam->GetNSector();i++) fActiveSectors[i]=kFALSE; |
967 | TBranch * branch=0; | |
968 | if (fHitType>1) branch = gAlice->TreeH()->GetBranch("TPC2"); | |
969 | else branch = gAlice->TreeH()->GetBranch("TPC"); | |
970 | Stat_t ntracks = gAlice->TreeH()->GetEntries(); | |
971 | // loop over all hits | |
972 | for(Int_t track=0;track<ntracks;track++){ | |
973 | ResetHits(); | |
974 | // | |
975 | if (fTrackHits && fHitType&4) { | |
976 | TBranch * br1 = gAlice->TreeH()->GetBranch("fVolumes"); | |
977 | TBranch * br2 = gAlice->TreeH()->GetBranch("fNVolumes"); | |
978 | br1->GetEvent(track); | |
979 | br2->GetEvent(track); | |
980 | Int_t *volumes = fTrackHits->GetVolumes(); | |
981 | for (Int_t j=0;j<fTrackHits->GetNVolumes(); j++) | |
982 | fActiveSectors[volumes[j]]=kTRUE; | |
983 | } | |
984 | ||
985 | // | |
986 | if (fTrackHitsOld && fHitType&2) { | |
987 | TBranch * br = gAlice->TreeH()->GetBranch("fTrackHitsInfo"); | |
988 | br->GetEvent(track); | |
989 | AliObjectArray * ar = fTrackHitsOld->fTrackHitsInfo; | |
990 | for (UInt_t j=0;j<ar->GetSize();j++){ | |
991 | fActiveSectors[((AliTrackHitsInfo*)ar->At(j))->fVolumeID] =kTRUE; | |
992 | } | |
993 | } | |
994 | } | |
995 | ||
996 | } | |
997 | ||
998 | ||
999 | ||
fe4da5cc | 1000 | |
afc42102 | 1001 | void AliTPC::Digits2Clusters(TFile *of, Int_t eventnumber) |
fe4da5cc | 1002 | { |
3c0f9266 | 1003 | //----------------------------------------------------------------- |
1004 | // This is a simple cluster finder. | |
3c0f9266 | 1005 | //----------------------------------------------------------------- |
afc42102 | 1006 | AliTPCclusterer::Digits2Clusters(fTPCParam,of,eventnumber); |
fe4da5cc | 1007 | } |
1008 | ||
73042f01 | 1009 | extern Double_t SigmaY2(Double_t, Double_t, Double_t); |
1010 | extern Double_t SigmaZ2(Double_t, Double_t); | |
fe4da5cc | 1011 | //_____________________________________________________________________________ |
afc42102 | 1012 | void AliTPC::Hits2Clusters(TFile *of, Int_t eventn) |
fe4da5cc | 1013 | { |
8c555625 | 1014 | //-------------------------------------------------------- |
fe4da5cc | 1015 | // TPC simple cluster generator from hits |
1016 | // obtained from the TPC Fast Simulator | |
8c555625 | 1017 | // The point errors are taken from the parametrization |
1018 | //-------------------------------------------------------- | |
1019 | ||
1020 | //----------------------------------------------------------------- | |
1021 | // Origin: Marek Kowalski IFJ, Krakow, Marek.Kowalski@ifj.edu.pl | |
1022 | //----------------------------------------------------------------- | |
73042f01 | 1023 | // Adopted to Marian's cluster data structure by I.Belikov, CERN, |
1024 | // Jouri.Belikov@cern.ch | |
1025 | //---------------------------------------------------------------- | |
1026 | ||
1027 | ///////////////////////////////////////////////////////////////////////////// | |
1028 | // | |
1029 | //--------------------------------------------------------------------- | |
1030 | // ALICE TPC Cluster Parameters | |
1031 | //-------------------------------------------------------------------- | |
1032 | ||
1033 | ||
1034 | ||
1035 | // Cluster width in rphi | |
1036 | const Float_t kACrphi=0.18322; | |
1037 | const Float_t kBCrphi=0.59551e-3; | |
1038 | const Float_t kCCrphi=0.60952e-1; | |
1039 | // Cluster width in z | |
1040 | const Float_t kACz=0.19081; | |
1041 | const Float_t kBCz=0.55938e-3; | |
1042 | const Float_t kCCz=0.30428; | |
1043 | ||
1044 | TDirectory *savedir=gDirectory; | |
1045 | ||
1046 | if (!of->IsOpen()) { | |
1047 | cerr<<"AliTPC::Hits2Clusters(): output file not open !\n"; | |
1048 | return; | |
1049 | } | |
3c0f9266 | 1050 | |
afc42102 | 1051 | //if(fDefaults == 0) SetDefaults(); |
cc80f89e | 1052 | |
73042f01 | 1053 | Float_t sigmaRphi,sigmaZ,clRphi,clZ; |
fe4da5cc | 1054 | // |
1578254f | 1055 | TParticle *particle; // pointer to a given particle |
fe4da5cc | 1056 | AliTPChit *tpcHit; // pointer to a sigle TPC hit |
39c8eb58 | 1057 | Int_t sector; |
fe4da5cc | 1058 | Int_t ipart; |
1059 | Float_t xyz[5]; | |
1060 | Float_t pl,pt,tanth,rpad,ratio; | |
fe4da5cc | 1061 | Float_t cph,sph; |
1062 | ||
1063 | //--------------------------------------------------------------- | |
1064 | // Get the access to the tracks | |
1065 | //--------------------------------------------------------------- | |
1066 | ||
73042f01 | 1067 | TTree *tH = gAlice->TreeH(); |
1068 | Stat_t ntracks = tH->GetEntries(); | |
73042f01 | 1069 | |
1070 | //Switch to the output file | |
1071 | of->cd(); | |
1072 | ||
afc42102 | 1073 | char cname[100]; |
1074 | ||
1075 | sprintf(cname,"TreeC_TPC_%d",eventn); | |
1076 | ||
73042f01 | 1077 | fTPCParam->Write(fTPCParam->GetTitle()); |
1078 | AliTPCClustersArray carray; | |
1079 | carray.Setup(fTPCParam); | |
1080 | carray.SetClusterType("AliTPCcluster"); | |
1081 | carray.MakeTree(); | |
1082 | ||
1083 | Int_t nclusters=0; //cluster counter | |
fe4da5cc | 1084 | |
1085 | //------------------------------------------------------------ | |
cc80f89e | 1086 | // Loop over all sectors (72 sectors for 20 deg |
1087 | // segmentation for both lower and upper sectors) | |
1088 | // Sectors 0-35 are lower sectors, 0-17 z>0, 17-35 z<0 | |
3c0f9266 | 1089 | // Sectors 36-71 are upper sectors, 36-53 z>0, 54-71 z<0 |
fe4da5cc | 1090 | // |
3c0f9266 | 1091 | // First cluster for sector 0 starts at "0" |
fe4da5cc | 1092 | //------------------------------------------------------------ |
cc80f89e | 1093 | |
1094 | for(Int_t isec=0;isec<fTPCParam->GetNSector();isec++){ | |
8c555625 | 1095 | //MI change |
cc80f89e | 1096 | fTPCParam->AdjustCosSin(isec,cph,sph); |
fe4da5cc | 1097 | |
1098 | //------------------------------------------------------------ | |
1099 | // Loop over tracks | |
1100 | //------------------------------------------------------------ | |
1101 | ||
1102 | for(Int_t track=0;track<ntracks;track++){ | |
1103 | ResetHits(); | |
73042f01 | 1104 | tH->GetEvent(track); |
fe4da5cc | 1105 | // |
73042f01 | 1106 | // Get number of the TPC hits |
792bb11c | 1107 | // |
39c8eb58 | 1108 | tpcHit = (AliTPChit*)FirstHit(-1); |
1109 | ||
fe4da5cc | 1110 | // Loop over hits |
1111 | // | |
39c8eb58 | 1112 | while(tpcHit){ |
1113 | ||
1114 | if (tpcHit->fQ == 0.) { | |
1115 | tpcHit = (AliTPChit*) NextHit(); | |
1116 | continue; //information about track (I.Belikov) | |
1117 | } | |
fe4da5cc | 1118 | sector=tpcHit->fSector; // sector number |
39c8eb58 | 1119 | |
39c8eb58 | 1120 | if(sector != isec){ |
1121 | tpcHit = (AliTPChit*) NextHit(); | |
1122 | continue; | |
1123 | } | |
94de3818 | 1124 | ipart=tpcHit->Track(); |
2ab0c725 | 1125 | particle=gAlice->Particle(ipart); |
1578254f | 1126 | pl=particle->Pz(); |
1127 | pt=particle->Pt(); | |
fe4da5cc | 1128 | if(pt < 1.e-9) pt=1.e-9; |
1129 | tanth=pl/pt; | |
1130 | tanth = TMath::Abs(tanth); | |
94de3818 | 1131 | rpad=TMath::Sqrt(tpcHit->X()*tpcHit->X() + tpcHit->Y()*tpcHit->Y()); |
fe4da5cc | 1132 | ratio=0.001*rpad/pt; // pt must be in MeV/c - historical reason |
73042f01 | 1133 | |
fe4da5cc | 1134 | // space-point resolutions |
1135 | ||
73042f01 | 1136 | sigmaRphi=SigmaY2(rpad,tanth,pt); |
1137 | sigmaZ =SigmaZ2(rpad,tanth ); | |
fe4da5cc | 1138 | |
1139 | // cluster widths | |
1140 | ||
73042f01 | 1141 | clRphi=kACrphi-kBCrphi*rpad*tanth+kCCrphi*ratio*ratio; |
1142 | clZ=kACz-kBCz*rpad*tanth+kCCz*tanth*tanth; | |
fe4da5cc | 1143 | |
1144 | // temporary protection | |
1145 | ||
73042f01 | 1146 | if(sigmaRphi < 0.) sigmaRphi=0.4e-3; |
1147 | if(sigmaZ < 0.) sigmaZ=0.4e-3; | |
1148 | if(clRphi < 0.) clRphi=2.5e-3; | |
1149 | if(clZ < 0.) clZ=2.5e-5; | |
fe4da5cc | 1150 | |
1151 | // | |
cc80f89e | 1152 | |
1153 | // | |
1154 | // smearing --> rotate to the 1 (13) or to the 25 (49) sector, | |
fe4da5cc | 1155 | // then the inaccuracy in a X-Y plane is only along Y (pad row)! |
1156 | // | |
94de3818 | 1157 | Float_t xprim= tpcHit->X()*cph + tpcHit->Y()*sph; |
1158 | Float_t yprim=-tpcHit->X()*sph + tpcHit->Y()*cph; | |
73042f01 | 1159 | xyz[0]=gRandom->Gaus(yprim,TMath::Sqrt(sigmaRphi)); // y |
1160 | Float_t alpha=(isec < fTPCParam->GetNInnerSector()) ? | |
1161 | fTPCParam->GetInnerAngle() : fTPCParam->GetOuterAngle(); | |
1162 | Float_t ymax=xprim*TMath::Tan(0.5*alpha); | |
1163 | if (TMath::Abs(xyz[0])>ymax) xyz[0]=yprim; | |
94de3818 | 1164 | xyz[1]=gRandom->Gaus(tpcHit->Z(),TMath::Sqrt(sigmaZ)); // z |
1165 | if (TMath::Abs(xyz[1])>fTPCParam->GetZLength()) xyz[1]=tpcHit->Z(); | |
39c8eb58 | 1166 | xyz[2]=sigmaRphi; // fSigmaY2 |
1167 | xyz[3]=sigmaZ; // fSigmaZ2 | |
1168 | xyz[4]=tpcHit->fQ; // q | |
73042f01 | 1169 | |
1170 | AliTPCClustersRow *clrow=carray.GetRow(sector,tpcHit->fPadRow); | |
1171 | if (!clrow) clrow=carray.CreateRow(sector,tpcHit->fPadRow); | |
1172 | ||
94de3818 | 1173 | Int_t tracks[3]={tpcHit->Track(), -1, -1}; |
39c8eb58 | 1174 | AliTPCcluster cluster(tracks,xyz); |
73042f01 | 1175 | |
1176 | clrow->InsertCluster(&cluster); nclusters++; | |
1177 | ||
39c8eb58 | 1178 | tpcHit = (AliTPChit*)NextHit(); |
1179 | ||
1180 | ||
fe4da5cc | 1181 | } // end of loop over hits |
73042f01 | 1182 | |
1183 | } // end of loop over tracks | |
1184 | ||
1185 | Int_t nrows=fTPCParam->GetNRow(isec); | |
1186 | for (Int_t irow=0; irow<nrows; irow++) { | |
1187 | AliTPCClustersRow *clrow=carray.GetRow(isec,irow); | |
1188 | if (!clrow) continue; | |
1189 | carray.StoreRow(isec,irow); | |
1190 | carray.ClearRow(isec,irow); | |
1191 | } | |
1192 | ||
cc80f89e | 1193 | } // end of loop over sectors |
73042f01 | 1194 | |
1195 | cerr<<"Number of made clusters : "<<nclusters<<" \n"; | |
6bc3458d | 1196 | carray.GetTree()->SetName(cname); |
1197 | carray.GetTree()->Write(); | |
73042f01 | 1198 | |
1199 | savedir->cd(); //switch back to the input file | |
cc80f89e | 1200 | |
1201 | } // end of function | |
1202 | ||
1203 | //_________________________________________________________________ | |
1204 | void AliTPC::Hits2ExactClustersSector(Int_t isec) | |
1205 | { | |
1206 | //-------------------------------------------------------- | |
1207 | //calculate exact cross point of track and given pad row | |
1208 | //resulting values are expressed in "digit" coordinata | |
1209 | //-------------------------------------------------------- | |
1210 | ||
1211 | //----------------------------------------------------------------- | |
1212 | // Origin: Marian Ivanov GSI Darmstadt, m.ivanov@gsi.de | |
1213 | //----------------------------------------------------------------- | |
1214 | // | |
1215 | if (fClustersArray==0){ | |
1216 | return; | |
1217 | } | |
1218 | // | |
1219 | TParticle *particle; // pointer to a given particle | |
1220 | AliTPChit *tpcHit; // pointer to a sigle TPC hit | |
5f16d237 | 1221 | // Int_t sector,nhits; |
cc80f89e | 1222 | Int_t ipart; |
73042f01 | 1223 | const Int_t kcmaxhits=30000; |
de61d5d5 | 1224 | AliTPCFastVector * xxxx = new AliTPCFastVector(kcmaxhits*4); |
1225 | AliTPCFastVector & xxx = *xxxx; | |
73042f01 | 1226 | Int_t maxhits = kcmaxhits; |
cc80f89e | 1227 | //construct array for each padrow |
1228 | for (Int_t i=0; i<fTPCParam->GetNRow(isec);i++) | |
1229 | fClustersArray->CreateRow(isec,i); | |
fe4da5cc | 1230 | |
cc80f89e | 1231 | //--------------------------------------------------------------- |
1232 | // Get the access to the tracks | |
1233 | //--------------------------------------------------------------- | |
1234 | ||
73042f01 | 1235 | TTree *tH = gAlice->TreeH(); |
1236 | Stat_t ntracks = tH->GetEntries(); | |
2ab0c725 | 1237 | Int_t npart = gAlice->GetNtrack(); |
5f16d237 | 1238 | //MI change |
1239 | TBranch * branch=0; | |
792bb11c | 1240 | if (fHitType>1) branch = tH->GetBranch("TPC2"); |
5f16d237 | 1241 | else branch = tH->GetBranch("TPC"); |
1242 | ||
cc80f89e | 1243 | //------------------------------------------------------------ |
1244 | // Loop over tracks | |
1245 | //------------------------------------------------------------ | |
792bb11c | 1246 | |
5f16d237 | 1247 | for(Int_t track=0;track<ntracks;track++){ |
1248 | Bool_t isInSector=kTRUE; | |
cc80f89e | 1249 | ResetHits(); |
792bb11c | 1250 | isInSector = TrackInVolume(isec,track); |
5f16d237 | 1251 | if (!isInSector) continue; |
1252 | //MI change | |
1253 | branch->GetEntry(track); // get next track | |
cc80f89e | 1254 | // |
1255 | // Get number of the TPC hits and a pointer | |
1256 | // to the particles | |
cc80f89e | 1257 | // Loop over hits |
1258 | // | |
1259 | Int_t currentIndex=0; | |
1260 | Int_t lastrow=-1; //last writen row | |
5f16d237 | 1261 | |
1262 | //M.I. changes | |
1263 | ||
1264 | tpcHit = (AliTPChit*)FirstHit(-1); | |
1265 | while(tpcHit){ | |
1266 | ||
1267 | Int_t sector=tpcHit->fSector; // sector number | |
1268 | if(sector != isec){ | |
1269 | tpcHit = (AliTPChit*) NextHit(); | |
1270 | continue; | |
1271 | } | |
1272 | ||
94de3818 | 1273 | ipart=tpcHit->Track(); |
2ab0c725 | 1274 | if (ipart<npart) particle=gAlice->Particle(ipart); |
cc80f89e | 1275 | |
1276 | //find row number | |
1277 | ||
94de3818 | 1278 | Float_t x[3]={tpcHit->X(),tpcHit->Y(),tpcHit->Z()}; |
cc80f89e | 1279 | Int_t index[3]={1,isec,0}; |
1280 | Int_t currentrow = fTPCParam->GetPadRow(x,index) ; | |
5f16d237 | 1281 | if (currentrow<0) {tpcHit = (AliTPChit*)NextHit(); continue;} |
cc80f89e | 1282 | if (lastrow<0) lastrow=currentrow; |
1283 | if (currentrow==lastrow){ | |
1284 | if ( currentIndex>=maxhits){ | |
73042f01 | 1285 | maxhits+=kcmaxhits; |
cc80f89e | 1286 | xxx.ResizeTo(4*maxhits); |
1287 | } | |
1288 | xxx(currentIndex*4)=x[0]; | |
1289 | xxx(currentIndex*4+1)=x[1]; | |
1290 | xxx(currentIndex*4+2)=x[2]; | |
1291 | xxx(currentIndex*4+3)=tpcHit->fQ; | |
1292 | currentIndex++; | |
1293 | } | |
1294 | else | |
1295 | if (currentIndex>2){ | |
1296 | Float_t sumx=0; | |
1297 | Float_t sumx2=0; | |
1298 | Float_t sumx3=0; | |
1299 | Float_t sumx4=0; | |
1300 | Float_t sumy=0; | |
1301 | Float_t sumxy=0; | |
1302 | Float_t sumx2y=0; | |
1303 | Float_t sumz=0; | |
1304 | Float_t sumxz=0; | |
1305 | Float_t sumx2z=0; | |
1306 | Float_t sumq=0; | |
1307 | for (Int_t index=0;index<currentIndex;index++){ | |
1308 | Float_t x,x2,x3,x4; | |
1309 | x=x2=x3=x4=xxx(index*4); | |
1310 | x2*=x; | |
1311 | x3*=x2; | |
1312 | x4*=x3; | |
1313 | sumx+=x; | |
1314 | sumx2+=x2; | |
1315 | sumx3+=x3; | |
1316 | sumx4+=x4; | |
1317 | sumy+=xxx(index*4+1); | |
1318 | sumxy+=xxx(index*4+1)*x; | |
1319 | sumx2y+=xxx(index*4+1)*x2; | |
1320 | sumz+=xxx(index*4+2); | |
1321 | sumxz+=xxx(index*4+2)*x; | |
1322 | sumx2z+=xxx(index*4+2)*x2; | |
1323 | sumq+=xxx(index*4+3); | |
1324 | } | |
73042f01 | 1325 | Float_t centralPad = (fTPCParam->GetNPads(isec,lastrow)-1)/2; |
cc80f89e | 1326 | Float_t det=currentIndex*(sumx2*sumx4-sumx3*sumx3)-sumx*(sumx*sumx4-sumx2*sumx3)+ |
1327 | sumx2*(sumx*sumx3-sumx2*sumx2); | |
1328 | ||
1329 | Float_t detay=sumy*(sumx2*sumx4-sumx3*sumx3)-sumx*(sumxy*sumx4-sumx2y*sumx3)+ | |
1330 | sumx2*(sumxy*sumx3-sumx2y*sumx2); | |
1331 | Float_t detaz=sumz*(sumx2*sumx4-sumx3*sumx3)-sumx*(sumxz*sumx4-sumx2z*sumx3)+ | |
1332 | sumx2*(sumxz*sumx3-sumx2z*sumx2); | |
1333 | ||
1334 | Float_t detby=currentIndex*(sumxy*sumx4-sumx2y*sumx3)-sumy*(sumx*sumx4-sumx2*sumx3)+ | |
1335 | sumx2*(sumx*sumx2y-sumx2*sumxy); | |
1336 | Float_t detbz=currentIndex*(sumxz*sumx4-sumx2z*sumx3)-sumz*(sumx*sumx4-sumx2*sumx3)+ | |
1337 | sumx2*(sumx*sumx2z-sumx2*sumxz); | |
1338 | ||
da33556f | 1339 | if (TMath::Abs(det)<0.00001){ |
1340 | tpcHit = (AliTPChit*)NextHit(); | |
1341 | continue; | |
1342 | } | |
1343 | ||
73042f01 | 1344 | Float_t y=detay/det+centralPad; |
cc80f89e | 1345 | Float_t z=detaz/det; |
1346 | Float_t by=detby/det; //y angle | |
1347 | Float_t bz=detbz/det; //z angle | |
1348 | sumy/=Float_t(currentIndex); | |
1349 | sumz/=Float_t(currentIndex); | |
5f16d237 | 1350 | |
cc80f89e | 1351 | AliTPCClustersRow * row = (fClustersArray->GetRow(isec,lastrow)); |
5f16d237 | 1352 | if (row!=0) { |
1353 | AliComplexCluster* cl = new((AliComplexCluster*)row->Append()) AliComplexCluster ; | |
1354 | // AliComplexCluster cl; | |
1355 | cl->fX=z; | |
1356 | cl->fY=y; | |
1357 | cl->fQ=sumq; | |
1358 | cl->fSigmaX2=bz; | |
1359 | cl->fSigmaY2=by; | |
1360 | cl->fTracks[0]=ipart; | |
1361 | } | |
cc80f89e | 1362 | currentIndex=0; |
1363 | lastrow=currentrow; | |
1364 | } //end of calculating cluster for given row | |
1365 | ||
1366 | ||
5f16d237 | 1367 | tpcHit = (AliTPChit*)NextHit(); |
cc80f89e | 1368 | } // end of loop over hits |
1369 | } // end of loop over tracks | |
1370 | //write padrows to tree | |
1371 | for (Int_t ii=0; ii<fTPCParam->GetNRow(isec);ii++) { | |
1372 | fClustersArray->StoreRow(isec,ii); | |
1373 | fClustersArray->ClearRow(isec,ii); | |
1374 | } | |
1375 | xxxx->Delete(); | |
1376 | ||
fe4da5cc | 1377 | } |
0a61bf9d | 1378 | |
1379 | ||
1380 | ||
1381 | //__ | |
1382 | void AliTPC::SDigits2Digits2(Int_t eventnumber) | |
1383 | { | |
1384 | //create digits from summable digits | |
407ff276 | 1385 | GenerNoise(500000); //create teble with noise |
0a61bf9d | 1386 | char sname[100]; |
1387 | char dname[100]; | |
1388 | sprintf(sname,"TreeS_%s_%d",fTPCParam->GetTitle(),eventnumber); | |
1389 | sprintf(dname,"TreeD_%s_%d",fTPCParam->GetTitle(),eventnumber); | |
1390 | ||
1391 | //conect tree with sSDigits | |
12d8d654 | 1392 | TTree *t; |
1393 | if (gAlice->GetTreeDFile()) { | |
1394 | t = (TTree *)gAlice->GetTreeDFile()->Get(sname); | |
1395 | } else { | |
1396 | t = (TTree *)gDirectory->Get(sname); | |
1397 | } | |
1398 | if (!t) { | |
1399 | cerr<<"TPC tree with sdigits not found"<<endl; | |
1400 | return; | |
1401 | } | |
0a61bf9d | 1402 | AliSimDigits digarr, *dummy=&digarr; |
1403 | t->GetBranch("Segment")->SetAddress(&dummy); | |
1404 | Stat_t nentries = t->GetEntries(); | |
1405 | ||
5f16d237 | 1406 | // set zero suppression |
1407 | ||
1408 | fTPCParam->SetZeroSup(2); | |
1409 | ||
1410 | // get zero suppression | |
1411 | ||
1412 | Int_t zerosup = fTPCParam->GetZeroSup(); | |
1413 | ||
1414 | //make tree with digits | |
1415 | ||
0a61bf9d | 1416 | AliTPCDigitsArray *arr = new AliTPCDigitsArray; |
1417 | arr->SetClass("AliSimDigits"); | |
1418 | arr->Setup(fTPCParam); | |
12d8d654 | 1419 | // Note that methods arr->MakeTree have different signatures |
1420 | if (gAlice->GetTreeDFile()) { | |
1421 | arr->MakeTree(gAlice->GetTreeDFile()); | |
1422 | } else { | |
1423 | arr->MakeTree(fDigitsFile); | |
1424 | } | |
0a61bf9d | 1425 | |
1426 | AliTPCParam * par =fTPCParam; | |
5f16d237 | 1427 | |
0a61bf9d | 1428 | //Loop over segments of the TPC |
5f16d237 | 1429 | |
0a61bf9d | 1430 | for (Int_t n=0; n<nentries; n++) { |
1431 | t->GetEvent(n); | |
1432 | Int_t sec, row; | |
1433 | if (!par->AdjustSectorRow(digarr.GetID(),sec,row)) { | |
1434 | cerr<<"AliTPC warning: invalid segment ID ! "<<digarr.GetID()<<endl; | |
1435 | continue; | |
1436 | } | |
792bb11c | 1437 | if (!IsSectorActive(sec)) continue; |
0a61bf9d | 1438 | AliSimDigits * digrow =(AliSimDigits*) arr->CreateRow(sec,row); |
1439 | Int_t nrows = digrow->GetNRows(); | |
1440 | Int_t ncols = digrow->GetNCols(); | |
1441 | ||
1442 | digrow->ExpandBuffer(); | |
1443 | digarr.ExpandBuffer(); | |
1444 | digrow->ExpandTrackBuffer(); | |
1445 | digarr.ExpandTrackBuffer(); | |
1446 | ||
5f16d237 | 1447 | |
407ff276 | 1448 | Short_t * pamp0 = digarr.GetDigits(); |
1449 | Int_t * ptracks0 = digarr.GetTracks(); | |
1450 | Short_t * pamp1 = digrow->GetDigits(); | |
1451 | Int_t * ptracks1 = digrow->GetTracks(); | |
1452 | Int_t nelems =nrows*ncols; | |
1453 | Int_t saturation = fTPCParam->GetADCSat(); | |
1454 | //use internal structure of the AliDigits - for speed reason | |
1455 | //if you cahnge implementation | |
1456 | //of the Alidigits - it must be rewriten - | |
1457 | for (Int_t i= 0; i<nelems; i++){ | |
1458 | // Float_t q = *pamp0; | |
1459 | //q/=16.; //conversion faktor | |
1460 | //Float_t noise= GetNoise(); | |
1461 | //q+=noise; | |
1462 | //q= TMath::Nint(q); | |
1463 | Float_t q = TMath::Nint(Float_t(*pamp0)/16.+GetNoise()); | |
1464 | if (q>zerosup){ | |
1465 | if (q>saturation) q=saturation; | |
1466 | *pamp1=(Short_t)q; | |
1467 | //if (ptracks0[0]==0) | |
1468 | // ptracks1[0]=1; | |
1469 | //else | |
1470 | ptracks1[0]=ptracks0[0]; | |
1471 | ptracks1[nelems]=ptracks0[nelems]; | |
1472 | ptracks1[2*nelems]=ptracks0[2*nelems]; | |
1473 | } | |
1474 | pamp0++; | |
1475 | pamp1++; | |
1476 | ptracks0++; | |
1477 | ptracks1++; | |
1478 | } | |
5f16d237 | 1479 | |
5f16d237 | 1480 | arr->StoreRow(sec,row); |
1481 | arr->ClearRow(sec,row); | |
9fe90376 | 1482 | // cerr<<sec<<"\t"<<row<<"\n"; |
5f16d237 | 1483 | } |
0a61bf9d | 1484 | |
0a61bf9d | 1485 | |
5f16d237 | 1486 | //write results |
0a61bf9d | 1487 | |
5f16d237 | 1488 | |
1489 | arr->GetTree()->SetName(dname); | |
12d8d654 | 1490 | arr->GetTree()->AutoSave(); |
5f16d237 | 1491 | delete arr; |
1492 | } | |
1493 | //_________________________________________ | |
1494 | void AliTPC::Merge(TTree * intree, Int_t *mask, Int_t nin, Int_t outid) | |
1495 | { | |
1496 | ||
1497 | //intree - pointer to array of trees with s digits | |
1498 | //mask - mask for each | |
1499 | //nin - number of inputs | |
1500 | //outid - event number of the output event | |
1501 | ||
1502 | //create digits from summable digits | |
1503 | //conect tree with sSDigits | |
1504 | ||
1505 | ||
1506 | AliSimDigits ** digarr = new AliSimDigits*[nin]; | |
1507 | for (Int_t i1=0;i1<nin; i1++){ | |
1508 | digarr[i1]=0; | |
1509 | intree[i1].GetBranch("Segment")->SetAddress(&digarr[i1]); | |
0a61bf9d | 1510 | } |
5f16d237 | 1511 | Stat_t nentries = intree[0].GetEntries(); |
1512 | ||
1513 | //make tree with digits | |
1514 | char dname[100]; | |
1515 | sprintf(dname,"TreeD_%s_%d",fTPCParam->GetTitle(),outid); | |
1516 | AliTPCDigitsArray *arr = new AliTPCDigitsArray; | |
1517 | arr->SetClass("AliSimDigits"); | |
1518 | arr->Setup(fTPCParam); | |
1519 | arr->MakeTree(fDigitsFile); | |
0a61bf9d | 1520 | |
5f16d237 | 1521 | // set zero suppression |
0a61bf9d | 1522 | |
5f16d237 | 1523 | fTPCParam->SetZeroSup(2); |
0a61bf9d | 1524 | |
5f16d237 | 1525 | // get zero suppression |
1526 | ||
1527 | Int_t zerosup = fTPCParam->GetZeroSup(); | |
1528 | ||
1529 | ||
1530 | AliTPCParam * par =fTPCParam; | |
1531 | ||
1532 | //Loop over segments of the TPC | |
1533 | for (Int_t n=0; n<nentries; n++) { | |
0a61bf9d | 1534 | |
5f16d237 | 1535 | for (Int_t i=0;i<nin; i++){ |
1536 | //connect proper digits | |
1537 | intree[i].GetEvent(n); | |
1538 | digarr[i]->ExpandBuffer(); | |
1539 | digarr[i]->ExpandTrackBuffer(); | |
1540 | } | |
1541 | Int_t sec, row; | |
1542 | if (!par->AdjustSectorRow(digarr[0]->GetID(),sec,row)) { | |
1543 | cerr<<"AliTPC warning: invalid segment ID ! "<<digarr[0]->GetID()<<endl; | |
1544 | continue; | |
1545 | } | |
0a61bf9d | 1546 | |
5f16d237 | 1547 | AliSimDigits * digrow =(AliSimDigits*) arr->CreateRow(sec,row); |
1548 | Int_t nrows = digrow->GetNRows(); | |
1549 | Int_t ncols = digrow->GetNCols(); | |
0a61bf9d | 1550 | |
5f16d237 | 1551 | digrow->ExpandBuffer(); |
1552 | digrow->ExpandTrackBuffer(); | |
1553 | ||
1554 | for (Int_t rows=0;rows<nrows; rows++){ | |
1555 | for (Int_t col=0;col<ncols; col++){ | |
1556 | Float_t q=0; | |
1557 | Int_t label[1000]; // i hope no more than 300 events merged | |
1558 | Int_t labptr = 0; | |
1559 | // looop over digits | |
1560 | for (Int_t i=0;i<nin; i++){ | |
1561 | q += digarr[i]->GetDigitFast(rows,col); | |
1562 | for (Int_t tr=0;tr<3;tr++) { | |
1563 | Int_t lab = digarr[i]->GetTrackIDFast(rows,col,tr); | |
1564 | if ( lab > 1) { | |
1565 | label[labptr]=lab+mask[i]-2; | |
1566 | labptr++; | |
1567 | } | |
1568 | } | |
1569 | } | |
1570 | //add noise | |
1571 | q = gRandom->Gaus(q,fTPCParam->GetNoise()*fTPCParam->GetNoiseNormFac()*16); | |
1572 | ||
1573 | q/=16; //conversion faktor | |
1574 | q=(Short_t)q; | |
1575 | ||
1576 | if (q> zerosup){ | |
1577 | ||
43510af3 | 1578 | if(q > fTPCParam->GetADCSat()) q = fTPCParam->GetADCSat(); |
1579 | digrow->SetDigitFast((Short_t)q,rows,col); | |
5f16d237 | 1580 | for (Int_t tr=0;tr<3;tr++){ |
1581 | if (tr<labptr) | |
1582 | ((AliSimDigits*)digrow)->SetTrackIDFast(label[tr],rows,col,tr); | |
1583 | else | |
1584 | ((AliSimDigits*)digrow)->SetTrackIDFast(-1,rows,col,tr); | |
1585 | } | |
1586 | } | |
1587 | } | |
1588 | } | |
1589 | arr->StoreRow(sec,row); | |
1590 | ||
1591 | arr->ClearRow(sec,row); | |
792bb11c | 1592 | |
5f16d237 | 1593 | } |
1594 | ||
1595 | delete digarr; | |
1596 | arr->GetTree()->SetName(dname); | |
1597 | arr->GetTree()->Write(); | |
1598 | ||
1599 | delete arr; | |
0a61bf9d | 1600 | |
0a61bf9d | 1601 | } |
1602 | ||
0a61bf9d | 1603 | /*_________________________________________ |
afc42102 | 1604 | void AliTPC::SDigits2Digits(Int_t eventnumber) |
2ab0c725 | 1605 | { |
afc42102 | 1606 | |
1607 | ||
1608 | cerr<<"Digitizing TPC...\n"; | |
1609 | ||
1610 | Hits2Digits(eventnumber); | |
1611 | ||
1612 | ||
1613 | //write results | |
1614 | ||
1615 | // char treeName[100]; | |
1616 | ||
1617 | // sprintf(treeName,"TreeD_%s_%d",fTPCParam->GetTitle(),eventnumber); | |
1618 | ||
1619 | // GetDigitsArray()->GetTree()->Write(treeName); | |
1620 | } | |
0a61bf9d | 1621 | */ |
afc42102 | 1622 | //__________________________________________________________________ |
1623 | void AliTPC::SetDefaults(){ | |
1624 | ||
1625 | ||
1626 | cerr<<"Setting default parameters...\n"; | |
1627 | ||
1628 | // Set response functions | |
1629 | ||
2ab0c725 | 1630 | AliTPCParamSR *param=(AliTPCParamSR*)gDirectory->Get("75x40_100x60"); |
7a09f434 | 1631 | if(param){ |
1632 | printf("You are using 2 pad-length geom hits with 3 pad-lenght geom digits...\n"); | |
1633 | delete param; | |
1634 | param = new AliTPCParamSR(); | |
1635 | } | |
1636 | else { | |
1637 | param=(AliTPCParamSR*)gDirectory->Get("75x40_100x60_150x60"); | |
1638 | } | |
1639 | if(!param){ | |
1640 | printf("No TPC parameters found\n"); | |
1641 | exit(4); | |
1642 | } | |
1643 | ||
1644 | ||
2ab0c725 | 1645 | AliTPCPRF2D * prfinner = new AliTPCPRF2D; |
f03e3423 | 1646 | AliTPCPRF2D * prfouter1 = new AliTPCPRF2D; |
1647 | AliTPCPRF2D * prfouter2 = new AliTPCPRF2D; | |
2ab0c725 | 1648 | AliTPCRF1D * rf = new AliTPCRF1D(kTRUE); |
2ab0c725 | 1649 | rf->SetGauss(param->GetZSigma(),param->GetZWidth(),1.); |
1650 | rf->SetOffset(3*param->GetZSigma()); | |
1651 | rf->Update(); | |
afc42102 | 1652 | |
1653 | TDirectory *savedir=gDirectory; | |
2ab0c725 | 1654 | TFile *f=TFile::Open("$ALICE_ROOT/TPC/AliTPCprf2d.root"); |
1655 | if (!f->IsOpen()) { | |
afc42102 | 1656 | cerr<<"Can't open $ALICE_ROOT/TPC/AliTPCprf2d.root !\n" ; |
2ab0c725 | 1657 | exit(3); |
1658 | } | |
1659 | prfinner->Read("prf_07504_Gati_056068_d02"); | |
f03e3423 | 1660 | prfouter1->Read("prf_10006_Gati_047051_d03"); |
1661 | prfouter2->Read("prf_15006_Gati_047051_d03"); | |
2ab0c725 | 1662 | f->Close(); |
afc42102 | 1663 | savedir->cd(); |
1664 | ||
2ab0c725 | 1665 | param->SetInnerPRF(prfinner); |
f03e3423 | 1666 | param->SetOuter1PRF(prfouter1); |
1667 | param->SetOuter2PRF(prfouter2); | |
2ab0c725 | 1668 | param->SetTimeRF(rf); |
1669 | ||
afc42102 | 1670 | // set fTPCParam |
1671 | ||
2ab0c725 | 1672 | SetParam(param); |
1673 | ||
afc42102 | 1674 | |
1675 | fDefaults = 1; | |
1676 | ||
1677 | } | |
1678 | //__________________________________________________________________ | |
1679 | void AliTPC::Hits2Digits(Int_t eventnumber) | |
1680 | { | |
1681 | //---------------------------------------------------- | |
1682 | // Loop over all sectors for a single event | |
1683 | //---------------------------------------------------- | |
1684 | ||
1685 | ||
1686 | if(fDefaults == 0) SetDefaults(); // check if the parameters are set | |
407ff276 | 1687 | GenerNoise(500000); //create teble with noise |
2ab0c725 | 1688 | |
1689 | //setup TPCDigitsArray | |
afc42102 | 1690 | |
1691 | if(GetDigitsArray()) delete GetDigitsArray(); | |
1692 | ||
2ab0c725 | 1693 | AliTPCDigitsArray *arr = new AliTPCDigitsArray; |
1694 | arr->SetClass("AliSimDigits"); | |
afc42102 | 1695 | arr->Setup(fTPCParam); |
12d8d654 | 1696 | // Note that methods arr->MakeTree have different signatures |
1697 | if (gAlice->GetTreeDFile()) { | |
1698 | arr->MakeTree(gAlice->GetTreeDFile()); | |
1699 | } else { | |
1700 | arr->MakeTree(fDigitsFile); | |
1701 | } | |
2ab0c725 | 1702 | SetDigitsArray(arr); |
1703 | ||
afc42102 | 1704 | fDigitsSwitch=0; // standard digits |
2ab0c725 | 1705 | |
0a9b058d | 1706 | cerr<<"Digitizing TPC -- normal digits...\n"; |
fe4da5cc | 1707 | |
f03e3423 | 1708 | for(Int_t isec=0;isec<fTPCParam->GetNSector();isec++) if (IsSectorActive(isec)) Hits2DigitsSector(isec); |
1709 | ||
afc42102 | 1710 | // write results |
1711 | ||
1712 | char treeName[100]; | |
1713 | ||
1714 | sprintf(treeName,"TreeD_%s_%d",fTPCParam->GetTitle(),eventnumber); | |
f8cf550c | 1715 | |
6bc3458d | 1716 | GetDigitsArray()->GetTree()->SetName(treeName); |
12d8d654 | 1717 | GetDigitsArray()->GetTree()->AutoSave(); |
cc80f89e | 1718 | |
cc80f89e | 1719 | |
8c555625 | 1720 | } |
1721 | ||
afc42102 | 1722 | |
1723 | ||
f8cf550c | 1724 | //__________________________________________________________________ |
0a61bf9d | 1725 | void AliTPC::Hits2SDigits2(Int_t eventnumber) |
f8cf550c | 1726 | { |
1727 | ||
1728 | //----------------------------------------------------------- | |
1729 | // summable digits - 16 bit "ADC", no noise, no saturation | |
1730 | //----------------------------------------------------------- | |
1731 | ||
1732 | //---------------------------------------------------- | |
afc42102 | 1733 | // Loop over all sectors for a single event |
f8cf550c | 1734 | //---------------------------------------------------- |
1735 | ||
afc42102 | 1736 | |
1737 | if(fDefaults == 0) SetDefaults(); | |
407ff276 | 1738 | GenerNoise(500000); //create table with noise |
afc42102 | 1739 | //setup TPCDigitsArray |
1740 | ||
1741 | if(GetDigitsArray()) delete GetDigitsArray(); | |
1742 | ||
1743 | AliTPCDigitsArray *arr = new AliTPCDigitsArray; | |
1744 | arr->SetClass("AliSimDigits"); | |
1745 | arr->Setup(fTPCParam); | |
12d8d654 | 1746 | // Note that methods arr->MakeTree have different signatures |
1747 | if (gAlice->GetTreeSFile()) { | |
1748 | arr->MakeTree(gAlice->GetTreeSFile()); | |
1749 | } else { | |
1750 | arr->MakeTree(fDigitsFile); | |
1751 | } | |
afc42102 | 1752 | SetDigitsArray(arr); |
1753 | ||
0a9b058d | 1754 | cerr<<"Digitizing TPC -- summable digits...\n"; |
afc42102 | 1755 | |
1756 | fDigitsSwitch=1; // summable digits | |
5f16d237 | 1757 | |
1758 | // set zero suppression to "0" | |
1759 | ||
1760 | fTPCParam->SetZeroSup(0); | |
f8cf550c | 1761 | |
792bb11c | 1762 | for(Int_t isec=0;isec<fTPCParam->GetNSector();isec++) if (IsSectorActive(isec)) Hits2DigitsSector(isec); |
f8cf550c | 1763 | |
afc42102 | 1764 | |
1765 | // write results | |
1766 | ||
1767 | char treeName[100]; | |
1768 | ||
1769 | sprintf(treeName,"TreeS_%s_%d",fTPCParam->GetTitle(),eventnumber); | |
1770 | ||
6bc3458d | 1771 | GetDigitsArray()->GetTree()->SetName(treeName); |
12d8d654 | 1772 | GetDigitsArray()->GetTree()->AutoSave(); |
afc42102 | 1773 | |
f8cf550c | 1774 | } |
8c555625 | 1775 | |
afc42102 | 1776 | |
1777 | ||
0a61bf9d | 1778 | //__________________________________________________________________ |
1779 | void AliTPC::Hits2SDigits() | |
1780 | { | |
1781 | ||
1782 | //----------------------------------------------------------- | |
1783 | // summable digits - 16 bit "ADC", no noise, no saturation | |
1784 | //----------------------------------------------------------- | |
1785 | ||
1786 | //---------------------------------------------------- | |
1787 | // Loop over all sectors for a single event | |
1788 | //---------------------------------------------------- | |
1789 | //MI change - for pp run | |
1790 | Int_t eventnumber = gAlice->GetEvNumber(); | |
1791 | ||
1792 | if(fDefaults == 0) SetDefaults(); | |
180f4872 | 1793 | GenerNoise(500000); //create table with noise |
0a61bf9d | 1794 | |
1795 | //setup TPCDigitsArray | |
1796 | ||
1797 | if(GetDigitsArray()) delete GetDigitsArray(); | |
1798 | ||
1799 | AliTPCDigitsArray *arr = new AliTPCDigitsArray; | |
1800 | arr->SetClass("AliSimDigits"); | |
1801 | arr->Setup(fTPCParam); | |
12d8d654 | 1802 | // Note that methods arr->MakeTree have different signatures |
1803 | if (gAlice->GetTreeSFile()) { | |
1804 | arr->MakeTree(gAlice->GetTreeSFile()); | |
1805 | } else { | |
1806 | arr->MakeTree(fDigitsFile); | |
1807 | } | |
0a61bf9d | 1808 | SetDigitsArray(arr); |
1809 | ||
0a9b058d | 1810 | cerr<<"Digitizing TPC -- summable digits...\n"; |
0a61bf9d | 1811 | |
1812 | // fDigitsSwitch=1; // summable digits -for the moment direct | |
1813 | ||
792bb11c | 1814 | for(Int_t isec=0;isec<fTPCParam->GetNSector();isec++) if (IsSectorActive(isec)) Hits2DigitsSector(isec); |
0a61bf9d | 1815 | |
1816 | ||
1817 | // write results | |
1818 | char treeName[100]; | |
1819 | ||
1820 | sprintf(treeName,"TreeD_%s_%d",fTPCParam->GetTitle(),eventnumber); | |
1821 | ||
6bc3458d | 1822 | GetDigitsArray()->GetTree()->SetName(treeName); |
12d8d654 | 1823 | GetDigitsArray()->GetTree()->AutoSave(); |
0a61bf9d | 1824 | |
1825 | } | |
1826 | ||
1827 | ||
fe4da5cc | 1828 | //_____________________________________________________________________________ |
8c555625 | 1829 | void AliTPC::Hits2DigitsSector(Int_t isec) |
fe4da5cc | 1830 | { |
8c555625 | 1831 | //------------------------------------------------------------------- |
fe4da5cc | 1832 | // TPC conversion from hits to digits. |
8c555625 | 1833 | //------------------------------------------------------------------- |
1834 | ||
1835 | //----------------------------------------------------------------- | |
1836 | // Origin: Marek Kowalski IFJ, Krakow, Marek.Kowalski@ifj.edu.pl | |
1837 | //----------------------------------------------------------------- | |
1838 | ||
fe4da5cc | 1839 | //------------------------------------------------------- |
8c555625 | 1840 | // Get the access to the track hits |
fe4da5cc | 1841 | //------------------------------------------------------- |
8c555625 | 1842 | |
afc42102 | 1843 | // check if the parameters are set - important if one calls this method |
1844 | // directly, not from the Hits2Digits | |
1845 | ||
1846 | if(fDefaults == 0) SetDefaults(); | |
cc80f89e | 1847 | |
73042f01 | 1848 | TTree *tH = gAlice->TreeH(); // pointer to the hits tree |
1849 | Stat_t ntracks = tH->GetEntries(); | |
8c555625 | 1850 | |
1851 | if( ntracks > 0){ | |
1852 | ||
1853 | //------------------------------------------- | |
1854 | // Only if there are any tracks... | |
1855 | //------------------------------------------- | |
1856 | ||
8c555625 | 1857 | TObjArray **row; |
fe4da5cc | 1858 | |
a62d28a2 | 1859 | //printf("*** Processing sector number %d ***\n",isec); |
8c555625 | 1860 | |
1861 | Int_t nrows =fTPCParam->GetNRow(isec); | |
1862 | ||
b584c7dd | 1863 | row= new TObjArray* [nrows+2]; // 2 extra rows for cross talk |
fe4da5cc | 1864 | |
73042f01 | 1865 | MakeSector(isec,nrows,tH,ntracks,row); |
8c555625 | 1866 | |
1867 | //-------------------------------------------------------- | |
1868 | // Digitize this sector, row by row | |
de61d5d5 | 1869 | // row[i] is the pointer to the TObjArray of AliTPCFastVectors, |
8c555625 | 1870 | // each one containing electrons accepted on this |
1871 | // row, assigned into tracks | |
1872 | //-------------------------------------------------------- | |
1873 | ||
1874 | Int_t i; | |
1875 | ||
2ab0c725 | 1876 | if (fDigitsArray->GetTree()==0) fDigitsArray->MakeTree(fDigitsFile); |
8c555625 | 1877 | |
cc80f89e | 1878 | for (i=0;i<nrows;i++){ |
8c555625 | 1879 | |
afc42102 | 1880 | AliDigits * dig = fDigitsArray->CreateRow(isec,i); |
8c555625 | 1881 | |
cc80f89e | 1882 | DigitizeRow(i,isec,row); |
8c555625 | 1883 | |
cc80f89e | 1884 | fDigitsArray->StoreRow(isec,i); |
8c555625 | 1885 | |
792bb11c | 1886 | Int_t ndig = dig->GetDigitSize(); |
1887 | if (gDebug > 10) printf("*** Sector, row, compressed digits %d %d %d ***\n",isec,i,ndig); | |
1888 | ||
cc80f89e | 1889 | fDigitsArray->ClearRow(isec,i); |
8c555625 | 1890 | |
cc80f89e | 1891 | |
8c555625 | 1892 | } // end of the sector digitization |
8c555625 | 1893 | |
cc80f89e | 1894 | for(i=0;i<nrows;i++){ |
39c8eb58 | 1895 | row[i]->Delete(); |
1896 | delete row[i]; | |
cc80f89e | 1897 | } |
1898 | ||
8c555625 | 1899 | delete [] row; // delete the array of pointers to TObjArray-s |
1900 | ||
1901 | } // ntracks >0 | |
8c555625 | 1902 | |
cc80f89e | 1903 | } // end of Hits2DigitsSector |
8c555625 | 1904 | |
8c555625 | 1905 | |
8c555625 | 1906 | //_____________________________________________________________________________ |
cc80f89e | 1907 | void AliTPC::DigitizeRow(Int_t irow,Int_t isec,TObjArray **rows) |
8c555625 | 1908 | { |
1909 | //----------------------------------------------------------- | |
1910 | // Single row digitization, coupling from the neighbouring | |
1911 | // rows taken into account | |
1912 | //----------------------------------------------------------- | |
1913 | ||
1914 | //----------------------------------------------------------------- | |
1915 | // Origin: Marek Kowalski IFJ, Krakow, Marek.Kowalski@ifj.edu.pl | |
cc80f89e | 1916 | // Modified: Marian Ivanov GSI Darmstadt, m.ivanov@gsi.de |
8c555625 | 1917 | //----------------------------------------------------------------- |
1918 | ||
1919 | ||
8c555625 | 1920 | Float_t zerosup = fTPCParam->GetZeroSup(); |
b584c7dd | 1921 | // Int_t nrows =fTPCParam->GetNRow(isec); |
cc80f89e | 1922 | fCurrentIndex[1]= isec; |
8c555625 | 1923 | |
8c555625 | 1924 | |
73042f01 | 1925 | Int_t nofPads = fTPCParam->GetNPads(isec,irow); |
1926 | Int_t nofTbins = fTPCParam->GetMaxTBin(); | |
1927 | Int_t indexRange[4]; | |
8c555625 | 1928 | // |
1929 | // Integrated signal for this row | |
1930 | // and a single track signal | |
cc80f89e | 1931 | // |
de61d5d5 | 1932 | |
1933 | AliTPCFastMatrix *m1 = new AliTPCFastMatrix(0,nofPads,0,nofTbins); // integrated | |
1934 | AliTPCFastMatrix *m2 = new AliTPCFastMatrix(0,nofPads,0,nofTbins); // single | |
8c555625 | 1935 | // |
de61d5d5 | 1936 | AliTPCFastMatrix &total = *m1; |
8c555625 | 1937 | |
1938 | // Array of pointers to the label-signal list | |
1939 | ||
73042f01 | 1940 | Int_t nofDigits = nofPads*nofTbins; // number of digits for this row |
1941 | Float_t **pList = new Float_t* [nofDigits]; | |
8c555625 | 1942 | |
1943 | Int_t lp; | |
cc80f89e | 1944 | Int_t i1; |
73042f01 | 1945 | for(lp=0;lp<nofDigits;lp++)pList[lp]=0; // set all pointers to NULL |
8c555625 | 1946 | // |
cc80f89e | 1947 | //calculate signal |
1948 | // | |
b584c7dd | 1949 | //Int_t row1 = TMath::Max(irow-fTPCParam->GetNCrossRows(),0); |
1950 | //Int_t row2 = TMath::Min(irow+fTPCParam->GetNCrossRows(),nrows-1); | |
1951 | Int_t row1=irow; | |
1952 | Int_t row2=irow+2; | |
cc80f89e | 1953 | for (Int_t row= row1;row<=row2;row++){ |
1954 | Int_t nTracks= rows[row]->GetEntries(); | |
1955 | for (i1=0;i1<nTracks;i1++){ | |
1956 | fCurrentIndex[2]= row; | |
b584c7dd | 1957 | fCurrentIndex[3]=irow+1; |
1958 | if (row==irow+1){ | |
cc80f89e | 1959 | m2->Zero(); // clear single track signal matrix |
73042f01 | 1960 | Float_t trackLabel = GetSignal(rows[row],i1,m2,m1,indexRange); |
1961 | GetList(trackLabel,nofPads,m2,indexRange,pList); | |
cc80f89e | 1962 | } |
73042f01 | 1963 | else GetSignal(rows[row],i1,0,m1,indexRange); |
cc80f89e | 1964 | } |
8c555625 | 1965 | } |
cc80f89e | 1966 | |
8c555625 | 1967 | Int_t tracks[3]; |
8c555625 | 1968 | |
cc80f89e | 1969 | AliDigits *dig = fDigitsArray->GetRow(isec,irow); |
de61d5d5 | 1970 | Int_t gi=-1; |
1971 | Float_t fzerosup = zerosup+0.5; | |
1972 | for(Int_t it=0;it<nofTbins;it++){ | |
1973 | Float_t *pq = &(total.UncheckedAt(0,it)); | |
1974 | for(Int_t ip=0;ip<nofPads;ip++){ | |
1975 | gi++; | |
1976 | Float_t q=*pq; | |
1977 | pq++; | |
f8cf550c | 1978 | if(fDigitsSwitch == 0){ |
407ff276 | 1979 | q+=GetNoise(); |
de61d5d5 | 1980 | if(q <=fzerosup) continue; // do not fill zeros |
68771f83 | 1981 | q = TMath::Nint(q); |
f8cf550c | 1982 | if(q > fTPCParam->GetADCSat()) q = fTPCParam->GetADCSat(); // saturation |
cc80f89e | 1983 | |
f8cf550c | 1984 | } |
1985 | ||
1986 | else { | |
5f16d237 | 1987 | if(q <= 0.) continue; // do not fill zeros |
68771f83 | 1988 | if(q>2000.) q=2000.; |
f8cf550c | 1989 | q *= 16.; |
68771f83 | 1990 | q = TMath::Nint(q); |
f8cf550c | 1991 | } |
8c555625 | 1992 | |
1993 | // | |
1994 | // "real" signal or electronic noise (list = -1)? | |
1995 | // | |
1996 | ||
1997 | for(Int_t j1=0;j1<3;j1++){ | |
407ff276 | 1998 | tracks[j1] = (pList[gi]) ?(Int_t)(*(pList[gi]+j1)) : -2; |
8c555625 | 1999 | } |
2000 | ||
cc80f89e | 2001 | //Begin_Html |
2002 | /* | |
2003 | <A NAME="AliDigits"></A> | |
2004 | using of AliDigits object | |
2005 | */ | |
2006 | //End_Html | |
2007 | dig->SetDigitFast((Short_t)q,it,ip); | |
2008 | if (fDigitsArray->IsSimulated()) | |
2009 | { | |
2010 | ((AliSimDigits*)dig)->SetTrackIDFast(tracks[0],it,ip,0); | |
2011 | ((AliSimDigits*)dig)->SetTrackIDFast(tracks[1],it,ip,1); | |
2012 | ((AliSimDigits*)dig)->SetTrackIDFast(tracks[2],it,ip,2); | |
2013 | } | |
2014 | ||
8c555625 | 2015 | |
2016 | } // end of loop over time buckets | |
2017 | } // end of lop over pads | |
2018 | ||
2019 | // | |
2020 | // This row has been digitized, delete nonused stuff | |
2021 | // | |
2022 | ||
73042f01 | 2023 | for(lp=0;lp<nofDigits;lp++){ |
8c555625 | 2024 | if(pList[lp]) delete [] pList[lp]; |
2025 | } | |
2026 | ||
2027 | delete [] pList; | |
2028 | ||
2029 | delete m1; | |
2030 | delete m2; | |
cc80f89e | 2031 | // delete m3; |
8c555625 | 2032 | |
2033 | } // end of DigitizeRow | |
cc80f89e | 2034 | |
8c555625 | 2035 | //_____________________________________________________________________________ |
cc80f89e | 2036 | |
de61d5d5 | 2037 | Float_t AliTPC::GetSignal(TObjArray *p1, Int_t ntr, |
2038 | AliTPCFastMatrix *m1, AliTPCFastMatrix *m2,Int_t *indexRange) | |
8c555625 | 2039 | { |
2040 | ||
2041 | //--------------------------------------------------------------- | |
2042 | // Calculates 2-D signal (pad,time) for a single track, | |
2043 | // returns a pointer to the signal matrix and the track label | |
2044 | // No digitization is performed at this level!!! | |
2045 | //--------------------------------------------------------------- | |
2046 | ||
2047 | //----------------------------------------------------------------- | |
2048 | // Origin: Marek Kowalski IFJ, Krakow, Marek.Kowalski@ifj.edu.pl | |
cc80f89e | 2049 | // Modified: Marian Ivanov |
8c555625 | 2050 | //----------------------------------------------------------------- |
2051 | ||
de61d5d5 | 2052 | AliTPCFastVector *tv; |
2053 | ||
2054 | tv = (AliTPCFastVector*)p1->At(ntr); // pointer to a track | |
2055 | AliTPCFastVector &v = *tv; | |
8c555625 | 2056 | |
2057 | Float_t label = v(0); | |
b584c7dd | 2058 | Int_t centralPad = (fTPCParam->GetNPads(fCurrentIndex[1],fCurrentIndex[3]-1)-1)/2; |
8c555625 | 2059 | |
8c555625 | 2060 | Int_t nElectrons = (tv->GetNrows()-1)/4; |
73042f01 | 2061 | indexRange[0]=9999; // min pad |
2062 | indexRange[1]=-1; // max pad | |
2063 | indexRange[2]=9999; //min time | |
2064 | indexRange[3]=-1; // max time | |
8c555625 | 2065 | |
de61d5d5 | 2066 | AliTPCFastMatrix &signal = *m1; |
2067 | AliTPCFastMatrix &total = *m2; | |
8c555625 | 2068 | // |
2069 | // Loop over all electrons | |
2070 | // | |
8c555625 | 2071 | for(Int_t nel=0; nel<nElectrons; nel++){ |
cc80f89e | 2072 | Int_t idx=nel*4; |
2073 | Float_t aval = v(idx+4); | |
2074 | Float_t eltoadcfac=aval*fTPCParam->GetTotalNormFac(); | |
2075 | Float_t xyz[3]={v(idx+1),v(idx+2),v(idx+3)}; | |
de61d5d5 | 2076 | Int_t n = ((AliTPCParamSR*)fTPCParam)->CalcResponseFast(xyz,fCurrentIndex,fCurrentIndex[3]); |
2077 | ||
2078 | Int_t *index = fTPCParam->GetResBin(0); | |
2079 | Float_t *weight = & (fTPCParam->GetResWeight(0)); | |
2080 | ||
2081 | if (n>0) for (Int_t i =0; i<n; i++){ | |
73042f01 | 2082 | Int_t pad=index[1]+centralPad; //in digit coordinates central pad has coordinate 0 |
de61d5d5 | 2083 | |
2084 | if (pad>=0){ | |
cc80f89e | 2085 | Int_t time=index[2]; |
de61d5d5 | 2086 | Float_t qweight = *(weight)*eltoadcfac; |
cc80f89e | 2087 | |
de61d5d5 | 2088 | if (m1!=0) signal.UncheckedAt(pad,time)+=qweight; |
2089 | total.UncheckedAt(pad,time)+=qweight; | |
2090 | if (indexRange[0]>pad) indexRange[0]=pad; | |
2091 | if (indexRange[1]<pad) indexRange[1]=pad; | |
2092 | if (indexRange[2]>time) indexRange[2]=time; | |
2093 | if (indexRange[3]<time) indexRange[3]=time; | |
2094 | ||
2095 | index+=3; | |
2096 | weight++; | |
2097 | ||
cc80f89e | 2098 | } |
2099 | } | |
8c555625 | 2100 | } // end of loop over electrons |
cc80f89e | 2101 | |
8c555625 | 2102 | return label; // returns track label when finished |
2103 | } | |
2104 | ||
2105 | //_____________________________________________________________________________ | |
de61d5d5 | 2106 | void AliTPC::GetList(Float_t label,Int_t np,AliTPCFastMatrix *m, |
2107 | Int_t *indexRange, Float_t **pList) | |
8c555625 | 2108 | { |
2109 | //---------------------------------------------------------------------- | |
2110 | // Updates the list of tracks contributing to digits for a given row | |
2111 | //---------------------------------------------------------------------- | |
2112 | ||
2113 | //----------------------------------------------------------------- | |
2114 | // Origin: Marek Kowalski IFJ, Krakow, Marek.Kowalski@ifj.edu.pl | |
2115 | //----------------------------------------------------------------- | |
2116 | ||
de61d5d5 | 2117 | AliTPCFastMatrix &signal = *m; |
8c555625 | 2118 | |
2119 | // lop over nonzero digits | |
2120 | ||
73042f01 | 2121 | for(Int_t it=indexRange[2];it<indexRange[3]+1;it++){ |
2122 | for(Int_t ip=indexRange[0];ip<indexRange[1]+1;ip++){ | |
8c555625 | 2123 | |
2124 | ||
921bf71a | 2125 | // accept only the contribution larger than 500 electrons (1/2 s_noise) |
2126 | ||
cc80f89e | 2127 | if(signal(ip,it)<0.5) continue; |
921bf71a | 2128 | |
2129 | ||
73042f01 | 2130 | Int_t globalIndex = it*np+ip; // globalIndex starts from 0! |
8c555625 | 2131 | |
73042f01 | 2132 | if(!pList[globalIndex]){ |
8c555625 | 2133 | |
2134 | // | |
2135 | // Create new list (6 elements - 3 signals and 3 labels), | |
8c555625 | 2136 | // |
2137 | ||
73042f01 | 2138 | pList[globalIndex] = new Float_t [6]; |
8c555625 | 2139 | |
2140 | // set list to -1 | |
2141 | ||
73042f01 | 2142 | *pList[globalIndex] = -1.; |
2143 | *(pList[globalIndex]+1) = -1.; | |
2144 | *(pList[globalIndex]+2) = -1.; | |
2145 | *(pList[globalIndex]+3) = -1.; | |
2146 | *(pList[globalIndex]+4) = -1.; | |
2147 | *(pList[globalIndex]+5) = -1.; | |
8c555625 | 2148 | |
2149 | ||
73042f01 | 2150 | *pList[globalIndex] = label; |
2151 | *(pList[globalIndex]+3) = signal(ip,it); | |
8c555625 | 2152 | } |
2153 | else{ | |
2154 | ||
2155 | // check the signal magnitude | |
2156 | ||
73042f01 | 2157 | Float_t highest = *(pList[globalIndex]+3); |
2158 | Float_t middle = *(pList[globalIndex]+4); | |
2159 | Float_t lowest = *(pList[globalIndex]+5); | |
8c555625 | 2160 | |
2161 | // | |
2162 | // compare the new signal with already existing list | |
2163 | // | |
2164 | ||
2165 | if(signal(ip,it)<lowest) continue; // neglect this track | |
2166 | ||
2167 | // | |
2168 | ||
2169 | if (signal(ip,it)>highest){ | |
73042f01 | 2170 | *(pList[globalIndex]+5) = middle; |
2171 | *(pList[globalIndex]+4) = highest; | |
2172 | *(pList[globalIndex]+3) = signal(ip,it); | |
8c555625 | 2173 | |
73042f01 | 2174 | *(pList[globalIndex]+2) = *(pList[globalIndex]+1); |
2175 | *(pList[globalIndex]+1) = *pList[globalIndex]; | |
2176 | *pList[globalIndex] = label; | |
8c555625 | 2177 | } |
2178 | else if (signal(ip,it)>middle){ | |
73042f01 | 2179 | *(pList[globalIndex]+5) = middle; |
2180 | *(pList[globalIndex]+4) = signal(ip,it); | |
8c555625 | 2181 | |
73042f01 | 2182 | *(pList[globalIndex]+2) = *(pList[globalIndex]+1); |
2183 | *(pList[globalIndex]+1) = label; | |
8c555625 | 2184 | } |
2185 | else{ | |
73042f01 | 2186 | *(pList[globalIndex]+5) = signal(ip,it); |
2187 | *(pList[globalIndex]+2) = label; | |
8c555625 | 2188 | } |
2189 | } | |
2190 | ||
2191 | } // end of loop over pads | |
2192 | } // end of loop over time bins | |
2193 | ||
2194 | ||
2195 | ||
8c555625 | 2196 | }//end of GetList |
2197 | //___________________________________________________________________ | |
2198 | void AliTPC::MakeSector(Int_t isec,Int_t nrows,TTree *TH, | |
2199 | Stat_t ntracks,TObjArray **row) | |
2200 | { | |
2201 | ||
2202 | //----------------------------------------------------------------- | |
2203 | // Prepares the sector digitization, creates the vectors of | |
2204 | // tracks for each row of this sector. The track vector | |
2205 | // contains the track label and the position of electrons. | |
2206 | //----------------------------------------------------------------- | |
2207 | ||
2208 | //----------------------------------------------------------------- | |
2209 | // Origin: Marek Kowalski IFJ, Krakow, Marek.Kowalski@ifj.edu.pl | |
2210 | //----------------------------------------------------------------- | |
2211 | ||
cc80f89e | 2212 | Float_t gasgain = fTPCParam->GetGasGain(); |
8c555625 | 2213 | Int_t i; |
cc80f89e | 2214 | Float_t xyz[4]; |
8c555625 | 2215 | |
2216 | AliTPChit *tpcHit; // pointer to a sigle TPC hit | |
39c8eb58 | 2217 | //MI change |
2218 | TBranch * branch=0; | |
792bb11c | 2219 | if (fHitType>1) branch = TH->GetBranch("TPC2"); |
39c8eb58 | 2220 | else branch = TH->GetBranch("TPC"); |
2221 | ||
8c555625 | 2222 | |
2223 | //---------------------------------------------- | |
2224 | // Create TObjArray-s, one for each row, | |
de61d5d5 | 2225 | // each TObjArray will store the AliTPCFastVectors |
2226 | // of electrons, one AliTPCFastVectors per each track. | |
8c555625 | 2227 | //---------------------------------------------- |
2228 | ||
b584c7dd | 2229 | Int_t *nofElectrons = new Int_t [nrows+2]; // electron counter for each row |
2230 | AliTPCFastVector **tracks = new AliTPCFastVector* [nrows+2]; //pointers to the track vectors | |
de61d5d5 | 2231 | |
b584c7dd | 2232 | for(i=0; i<nrows+2; i++){ |
8c555625 | 2233 | row[i] = new TObjArray; |
f74bb6f5 | 2234 | nofElectrons[i]=0; |
2235 | tracks[i]=0; | |
8c555625 | 2236 | } |
8c555625 | 2237 | |
37831078 | 2238 | |
2239 | ||
8c555625 | 2240 | //-------------------------------------------------------------------- |
2241 | // Loop over tracks, the "track" contains the full history | |
2242 | //-------------------------------------------------------------------- | |
2243 | ||
2244 | Int_t previousTrack,currentTrack; | |
2245 | previousTrack = -1; // nothing to store so far! | |
2246 | ||
2247 | for(Int_t track=0;track<ntracks;track++){ | |
39c8eb58 | 2248 | Bool_t isInSector=kTRUE; |
8c555625 | 2249 | ResetHits(); |
792bb11c | 2250 | isInSector = TrackInVolume(isec,track); |
39c8eb58 | 2251 | if (!isInSector) continue; |
2252 | //MI change | |
2253 | branch->GetEntry(track); // get next track | |
2254 | ||
2255 | //M.I. changes | |
8c555625 | 2256 | |
39c8eb58 | 2257 | tpcHit = (AliTPChit*)FirstHit(-1); |
8c555625 | 2258 | |
2259 | //-------------------------------------------------------------- | |
2260 | // Loop over hits | |
2261 | //-------------------------------------------------------------- | |
2262 | ||
8c555625 | 2263 | |
39c8eb58 | 2264 | while(tpcHit){ |
8c555625 | 2265 | |
2266 | Int_t sector=tpcHit->fSector; // sector number | |
39c8eb58 | 2267 | if(sector != isec){ |
2268 | tpcHit = (AliTPChit*) NextHit(); | |
2269 | continue; | |
2270 | } | |
8c555625 | 2271 | |
94de3818 | 2272 | currentTrack = tpcHit->Track(); // track number |
39c8eb58 | 2273 | |
2274 | ||
8c555625 | 2275 | if(currentTrack != previousTrack){ |
2276 | ||
2277 | // store already filled fTrack | |
2278 | ||
b584c7dd | 2279 | for(i=0;i<nrows+2;i++){ |
8c555625 | 2280 | if(previousTrack != -1){ |
73042f01 | 2281 | if(nofElectrons[i]>0){ |
de61d5d5 | 2282 | AliTPCFastVector &v = *tracks[i]; |
8c555625 | 2283 | v(0) = previousTrack; |
73042f01 | 2284 | tracks[i]->ResizeTo(4*nofElectrons[i]+1); // shrink if necessary |
cc80f89e | 2285 | row[i]->Add(tracks[i]); |
8c555625 | 2286 | } |
2287 | else{ | |
de61d5d5 | 2288 | delete tracks[i]; // delete empty AliTPCFastVector |
cc80f89e | 2289 | tracks[i]=0; |
8c555625 | 2290 | } |
2291 | } | |
2292 | ||
73042f01 | 2293 | nofElectrons[i]=0; |
de61d5d5 | 2294 | tracks[i] = new AliTPCFastVector(481); // AliTPCFastVectors for the next fTrack |
8c555625 | 2295 | |
2296 | } // end of loop over rows | |
2297 | ||
2298 | previousTrack=currentTrack; // update track label | |
2299 | } | |
2300 | ||
73042f01 | 2301 | Int_t qI = (Int_t) (tpcHit->fQ); // energy loss (number of electrons) |
8c555625 | 2302 | |
2303 | //--------------------------------------------------- | |
2304 | // Calculate the electron attachment probability | |
2305 | //--------------------------------------------------- | |
2306 | ||
cc80f89e | 2307 | |
94de3818 | 2308 | Float_t time = 1.e6*(fTPCParam->GetZLength()-TMath::Abs(tpcHit->Z())) |
cc80f89e | 2309 | /fTPCParam->GetDriftV(); |
8c555625 | 2310 | // in microseconds! |
73042f01 | 2311 | Float_t attProb = fTPCParam->GetAttCoef()* |
8c555625 | 2312 | fTPCParam->GetOxyCont()*time; // fraction! |
2313 | ||
2314 | //----------------------------------------------- | |
2315 | // Loop over electrons | |
2316 | //----------------------------------------------- | |
cc80f89e | 2317 | Int_t index[3]; |
2318 | index[1]=isec; | |
73042f01 | 2319 | for(Int_t nel=0;nel<qI;nel++){ |
8c555625 | 2320 | // skip if electron lost due to the attachment |
73042f01 | 2321 | if((gRandom->Rndm(0)) < attProb) continue; // electron lost! |
94de3818 | 2322 | xyz[0]=tpcHit->X(); |
2323 | xyz[1]=tpcHit->Y(); | |
1705494b | 2324 | xyz[2]=tpcHit->Z(); |
2325 | // | |
2326 | // protection for the nonphysical avalanche size (10**6 maximum) | |
2327 | // | |
710dacf5 | 2328 | Double_t rn=TMath::Max(gRandom->Rndm(0),1.93e-22); |
2329 | xyz[3]= (Float_t) (-gasgain*TMath::Log(rn)); | |
cc80f89e | 2330 | index[0]=1; |
2331 | ||
b584c7dd | 2332 | TransportElectron(xyz,index); |
73042f01 | 2333 | Int_t rowNumber; |
b584c7dd | 2334 | fTPCParam->GetPadRow(xyz,index); |
2335 | // row 0 - cross talk from the innermost row | |
2336 | // row fNRow+1 cross talk from the outermost row | |
2337 | rowNumber = index[2]+1; | |
cc80f89e | 2338 | //transform position to local digit coordinates |
2339 | //relative to nearest pad row | |
b584c7dd | 2340 | if ((rowNumber<0)||rowNumber>fTPCParam->GetNRow(isec)+1) continue; |
2341 | Float_t x1,y1; | |
f03e3423 | 2342 | if (isec <fTPCParam->GetNInnerSector()) { |
2343 | x1 = xyz[1]*fTPCParam->GetInnerPadPitchWidth(); | |
2344 | y1 = fTPCParam->GetYInner(rowNumber); | |
2345 | } | |
2346 | else{ | |
2347 | x1=xyz[1]*fTPCParam->GetOuterPadPitchWidth(); | |
2348 | y1 = fTPCParam->GetYOuter(rowNumber); | |
2349 | } | |
e8f678d7 | 2350 | // gain inefficiency at the wires edges - linear |
f03e3423 | 2351 | x1=TMath::Abs(x1); |
e8f678d7 | 2352 | y1-=1.; |
2353 | if(x1>y1) xyz[3]*=TMath::Max(1.e-6,(y1-x1+1.)); | |
2354 | ||
73042f01 | 2355 | nofElectrons[rowNumber]++; |
8c555625 | 2356 | //---------------------------------- |
2357 | // Expand vector if necessary | |
2358 | //---------------------------------- | |
73042f01 | 2359 | if(nofElectrons[rowNumber]>120){ |
2360 | Int_t range = tracks[rowNumber]->GetNrows(); | |
2361 | if((nofElectrons[rowNumber])>(range-1)/4){ | |
cc80f89e | 2362 | |
73042f01 | 2363 | tracks[rowNumber]->ResizeTo(range+400); // Add 100 electrons |
fe4da5cc | 2364 | } |
2365 | } | |
2366 | ||
de61d5d5 | 2367 | AliTPCFastVector &v = *tracks[rowNumber]; |
73042f01 | 2368 | Int_t idx = 4*nofElectrons[rowNumber]-3; |
de61d5d5 | 2369 | Real_t * position = &(((AliTPCFastVector&)v).UncheckedAt(idx)); //make code faster |
2370 | memcpy(position,xyz,4*sizeof(Float_t)); | |
2371 | ||
8c555625 | 2372 | } // end of loop over electrons |
39c8eb58 | 2373 | |
2374 | tpcHit = (AliTPChit*)NextHit(); | |
8c555625 | 2375 | |
2376 | } // end of loop over hits | |
2377 | } // end of loop over tracks | |
2378 | ||
2379 | // | |
2380 | // store remaining track (the last one) if not empty | |
2381 | // | |
2382 | ||
b584c7dd | 2383 | for(i=0;i<nrows+2;i++){ |
73042f01 | 2384 | if(nofElectrons[i]>0){ |
de61d5d5 | 2385 | AliTPCFastVector &v = *tracks[i]; |
8c555625 | 2386 | v(0) = previousTrack; |
73042f01 | 2387 | tracks[i]->ResizeTo(4*nofElectrons[i]+1); // shrink if necessary |
cc80f89e | 2388 | row[i]->Add(tracks[i]); |
fe4da5cc | 2389 | } |
2390 | else{ | |
cc80f89e | 2391 | delete tracks[i]; |
2392 | tracks[i]=0; | |
8c555625 | 2393 | } |
2394 | } | |
2395 | ||
cc80f89e | 2396 | delete [] tracks; |
73042f01 | 2397 | delete [] nofElectrons; |
8c555625 | 2398 | |
8c555625 | 2399 | |
cc80f89e | 2400 | } // end of MakeSector |
8c555625 | 2401 | |
fe4da5cc | 2402 | |
2403 | //_____________________________________________________________________________ | |
2404 | void AliTPC::Init() | |
2405 | { | |
2406 | // | |
2407 | // Initialise TPC detector after definition of geometry | |
2408 | // | |
2409 | Int_t i; | |
2410 | // | |
9e1a0ddb | 2411 | if(fDebug) { |
2412 | printf("\n%s: ",ClassName()); | |
2413 | for(i=0;i<35;i++) printf("*"); | |
2414 | printf(" TPC_INIT "); | |
2415 | for(i=0;i<35;i++) printf("*"); | |
2416 | printf("\n%s: ",ClassName()); | |
2417 | // | |
2418 | for(i=0;i<80;i++) printf("*"); | |
2419 | printf("\n"); | |
2420 | } | |
fe4da5cc | 2421 | } |
2422 | ||
2423 | //_____________________________________________________________________________ | |
9e1a0ddb | 2424 | void AliTPC::MakeBranch(Option_t* option, const char *file) |
fe4da5cc | 2425 | { |
2426 | // | |
2427 | // Create Tree branches for the TPC. | |
2428 | // | |
2429 | Int_t buffersize = 4000; | |
2430 | char branchname[10]; | |
2431 | sprintf(branchname,"%s",GetName()); | |
2432 | ||
2ab0c725 | 2433 | AliDetector::MakeBranch(option,file); |
fe4da5cc | 2434 | |
5cf7bbad | 2435 | const char *d = strstr(option,"D"); |
fe4da5cc | 2436 | |
73042f01 | 2437 | if (fDigits && gAlice->TreeD() && d) { |
9e1a0ddb | 2438 | MakeBranchInTree(gAlice->TreeD(), |
2439 | branchname, &fDigits, buffersize, file); | |
fe4da5cc | 2440 | } |
39c8eb58 | 2441 | |
792bb11c | 2442 | if (fHitType>1) MakeBranch2(option,file); // MI change 14.09.2000 |
fe4da5cc | 2443 | } |
2444 | ||
2445 | //_____________________________________________________________________________ | |
2446 | void AliTPC::ResetDigits() | |
2447 | { | |
2448 | // | |
2449 | // Reset number of digits and the digits array for this detector | |
fe4da5cc | 2450 | // |
2451 | fNdigits = 0; | |
cc80f89e | 2452 | if (fDigits) fDigits->Clear(); |
fe4da5cc | 2453 | } |
2454 | ||
2455 | //_____________________________________________________________________________ | |
2456 | void AliTPC::SetSecAL(Int_t sec) | |
2457 | { | |
8c555625 | 2458 | //--------------------------------------------------- |
fe4da5cc | 2459 | // Activate/deactivate selection for lower sectors |
8c555625 | 2460 | //--------------------------------------------------- |
2461 | ||
2462 | //----------------------------------------------------------------- | |
2463 | // Origin: Marek Kowalski IFJ, Krakow, Marek.Kowalski@ifj.edu.pl | |
2464 | //----------------------------------------------------------------- | |
2465 | ||
fe4da5cc | 2466 | fSecAL = sec; |
2467 | } | |
2468 | ||
2469 | //_____________________________________________________________________________ | |
2470 | void AliTPC::SetSecAU(Int_t sec) | |
2471 | { | |
8c555625 | 2472 | //---------------------------------------------------- |
fe4da5cc | 2473 | // Activate/deactivate selection for upper sectors |
8c555625 | 2474 | //--------------------------------------------------- |
2475 | ||
2476 | //----------------------------------------------------------------- | |
2477 | // Origin: Marek Kowalski IFJ, Krakow, Marek.Kowalski@ifj.edu.pl | |
2478 | //----------------------------------------------------------------- | |
2479 | ||
fe4da5cc | 2480 | fSecAU = sec; |
2481 | } | |
2482 | ||
2483 | //_____________________________________________________________________________ | |
2484 | void AliTPC::SetSecLows(Int_t s1,Int_t s2,Int_t s3,Int_t s4,Int_t s5, Int_t s6) | |
2485 | { | |
8c555625 | 2486 | //---------------------------------------- |
fe4da5cc | 2487 | // Select active lower sectors |
8c555625 | 2488 | //---------------------------------------- |
2489 | ||
2490 | //----------------------------------------------------------------- | |
2491 | // Origin: Marek Kowalski IFJ, Krakow, Marek.Kowalski@ifj.edu.pl | |
2492 | //----------------------------------------------------------------- | |
2493 | ||
fe4da5cc | 2494 | fSecLows[0] = s1; |
2495 | fSecLows[1] = s2; | |
2496 | fSecLows[2] = s3; | |
2497 | fSecLows[3] = s4; | |
2498 | fSecLows[4] = s5; | |
2499 | fSecLows[5] = s6; | |
2500 | } | |
2501 | ||
2502 | //_____________________________________________________________________________ | |
2503 | void AliTPC::SetSecUps(Int_t s1,Int_t s2,Int_t s3,Int_t s4,Int_t s5, Int_t s6, | |
2504 | Int_t s7, Int_t s8 ,Int_t s9 ,Int_t s10, | |
2505 | Int_t s11 , Int_t s12) | |
2506 | { | |
8c555625 | 2507 | //-------------------------------- |
fe4da5cc | 2508 | // Select active upper sectors |
8c555625 | 2509 | //-------------------------------- |
2510 | ||
2511 | //----------------------------------------------------------------- | |
2512 | // Origin: Marek Kowalski IFJ, Krakow, Marek.Kowalski@ifj.edu.pl | |
2513 | //----------------------------------------------------------------- | |
2514 | ||
fe4da5cc | 2515 | fSecUps[0] = s1; |
2516 | fSecUps[1] = s2; | |
2517 | fSecUps[2] = s3; | |
2518 | fSecUps[3] = s4; | |
2519 | fSecUps[4] = s5; | |
2520 | fSecUps[5] = s6; | |
2521 | fSecUps[6] = s7; | |
2522 | fSecUps[7] = s8; | |
2523 | fSecUps[8] = s9; | |
2524 | fSecUps[9] = s10; | |
2525 | fSecUps[10] = s11; | |
2526 | fSecUps[11] = s12; | |
2527 | } | |
2528 | ||
2529 | //_____________________________________________________________________________ | |
2530 | void AliTPC::SetSens(Int_t sens) | |
2531 | { | |
8c555625 | 2532 | |
2533 | //------------------------------------------------------------- | |
2534 | // Activates/deactivates the sensitive strips at the center of | |
2535 | // the pad row -- this is for the space-point resolution calculations | |
2536 | //------------------------------------------------------------- | |
2537 | ||
2538 | //----------------------------------------------------------------- | |
2539 | // Origin: Marek Kowalski IFJ, Krakow, Marek.Kowalski@ifj.edu.pl | |
2540 | //----------------------------------------------------------------- | |
2541 | ||
fe4da5cc | 2542 | fSens = sens; |
2543 | } | |
2b06d5c3 | 2544 | |
4b0fdcad | 2545 | |
73042f01 | 2546 | void AliTPC::SetSide(Float_t side=0.) |
4b0fdcad | 2547 | { |
73042f01 | 2548 | // choice of the TPC side |
2549 | ||
4b0fdcad | 2550 | fSide = side; |
2551 | ||
2552 | } | |
1283eee5 | 2553 | //____________________________________________________________________________ |
2554 | void AliTPC::SetGasMixt(Int_t nc,Int_t c1,Int_t c2,Int_t c3,Float_t p1, | |
2555 | Float_t p2,Float_t p3) | |
2556 | { | |
fe4da5cc | 2557 | |
73042f01 | 2558 | // gax mixture definition |
2559 | ||
1283eee5 | 2560 | fNoComp = nc; |
2561 | ||
2562 | fMixtComp[0]=c1; | |
2563 | fMixtComp[1]=c2; | |
2564 | fMixtComp[2]=c3; | |
2565 | ||
2566 | fMixtProp[0]=p1; | |
2567 | fMixtProp[1]=p2; | |
2568 | fMixtProp[2]=p3; | |
2569 | ||
2570 | ||
cc80f89e | 2571 | } |
2572 | //_____________________________________________________________________________ | |
2573 | ||
2574 | void AliTPC::TransportElectron(Float_t *xyz, Int_t *index) | |
2575 | { | |
2576 | // | |
2577 | // electron transport taking into account: | |
2578 | // 1. diffusion, | |
2579 | // 2.ExB at the wires | |
2580 | // 3. nonisochronity | |
2581 | // | |
2582 | // xyz and index must be already transformed to system 1 | |
2583 | // | |
2584 | ||
2585 | fTPCParam->Transform1to2(xyz,index); | |
2586 | ||
2587 | //add diffusion | |
2588 | Float_t driftl=xyz[2]; | |
2589 | if(driftl<0.01) driftl=0.01; | |
2590 | driftl=TMath::Sqrt(driftl); | |
73042f01 | 2591 | Float_t sigT = driftl*(fTPCParam->GetDiffT()); |
2592 | Float_t sigL = driftl*(fTPCParam->GetDiffL()); | |
2593 | xyz[0]=gRandom->Gaus(xyz[0],sigT); | |
2594 | xyz[1]=gRandom->Gaus(xyz[1],sigT); | |
2595 | xyz[2]=gRandom->Gaus(xyz[2],sigL); | |
cc80f89e | 2596 | |
2597 | // ExB | |
2598 | ||
2599 | if (fTPCParam->GetMWPCReadout()==kTRUE){ | |
b584c7dd | 2600 | Float_t dx = fTPCParam->Transform2to2NearestWire(xyz,index); |
cc80f89e | 2601 | xyz[1]+=dx*(fTPCParam->GetOmegaTau()); |
2602 | } | |
b584c7dd | 2603 | //add nonisochronity (not implemented yet) |
1283eee5 | 2604 | } |
fe4da5cc | 2605 | |
fe4da5cc | 2606 | ClassImp(AliTPCdigit) |
2607 | ||
2608 | //_____________________________________________________________________________ | |
2609 | AliTPCdigit::AliTPCdigit(Int_t *tracks, Int_t *digits): | |
2610 | AliDigit(tracks) | |
2611 | { | |
2612 | // | |
2613 | // Creates a TPC digit object | |
2614 | // | |
2615 | fSector = digits[0]; | |
2616 | fPadRow = digits[1]; | |
2617 | fPad = digits[2]; | |
2618 | fTime = digits[3]; | |
2619 | fSignal = digits[4]; | |
2620 | } | |
2621 | ||
2622 | ||
2623 | ClassImp(AliTPChit) | |
2624 | ||
2625 | //_____________________________________________________________________________ | |
2626 | AliTPChit::AliTPChit(Int_t shunt, Int_t track, Int_t *vol, Float_t *hits): | |
2627 | AliHit(shunt,track) | |
2628 | { | |
2629 | // | |
2630 | // Creates a TPC hit object | |
2631 | // | |
2632 | fSector = vol[0]; | |
2633 | fPadRow = vol[1]; | |
2634 | fX = hits[0]; | |
2635 | fY = hits[1]; | |
2636 | fZ = hits[2]; | |
2637 | fQ = hits[3]; | |
2638 | } | |
2639 | ||
8c555625 | 2640 | |
39c8eb58 | 2641 | //________________________________________________________________________ |
792bb11c | 2642 | // Additional code because of the AliTPCTrackHitsV2 |
39c8eb58 | 2643 | |
9e1a0ddb | 2644 | void AliTPC::MakeBranch2(Option_t *option,const char *file) |
39c8eb58 | 2645 | { |
2646 | // | |
2647 | // Create a new branch in the current Root Tree | |
2648 | // The branch of fHits is automatically split | |
2649 | // MI change 14.09.2000 | |
792bb11c | 2650 | if (fHitType<2) return; |
39c8eb58 | 2651 | char branchname[10]; |
2652 | sprintf(branchname,"%s2",GetName()); | |
2653 | // | |
2654 | // Get the pointer to the header | |
5cf7bbad | 2655 | const char *cH = strstr(option,"H"); |
39c8eb58 | 2656 | // |
792bb11c | 2657 | if (fTrackHits && gAlice->TreeH() && cH && fHitType&4) { |
2658 | // AliObjectBranch * branch = new AliObjectBranch(branchname,"AliTPCTrackHitsV2",&fTrackHits, | |
2659 | // gAlice->TreeH(),fBufferSize,99); | |
2660 | //TBranch * branch = | |
2661 | gAlice->TreeH()->Branch(branchname,"AliTPCTrackHitsV2",&fTrackHits, | |
2662 | fBufferSize,99); | |
2663 | ||
2664 | // gAlice->TreeH()->GetListOfBranches()->Add(branch); | |
9e1a0ddb | 2665 | if (GetDebug()>1) |
2666 | printf("* AliDetector::MakeBranch * Making Branch %s for trackhits\n",branchname); | |
2667 | const char folder [] = "RunMC/Event/Data"; | |
2668 | if (GetDebug()) | |
2669 | printf("%15s: Publishing %s to %s\n",ClassName(),branchname,folder); | |
2670 | Publish(folder,&fTrackHits,branchname); | |
2ab0c725 | 2671 | if (file) { |
2672 | TBranch *b = gAlice->TreeH()->GetBranch(branchname); | |
2673 | TDirectory *wd = gDirectory; | |
2674 | b->SetFile(file); | |
2675 | TIter next( b->GetListOfBranches()); | |
2676 | while ((b=(TBranch*)next())) { | |
9e1a0ddb | 2677 | b->SetFile(file); |
2ab0c725 | 2678 | } |
2679 | wd->cd(); | |
9e1a0ddb | 2680 | if (GetDebug()>1) |
2681 | cout << "Diverting branch " << branchname << " to file " << file << endl; | |
2ab0c725 | 2682 | } |
39c8eb58 | 2683 | } |
792bb11c | 2684 | |
2685 | if (fTrackHitsOld && gAlice->TreeH() && cH && fHitType&2) { | |
2686 | AliObjectBranch * branch = new AliObjectBranch(branchname,"AliTPCTrackHits",&fTrackHitsOld, | |
2687 | gAlice->TreeH(),fBufferSize,99); | |
2688 | //TBranch * branch = gAlice->TreeH()->Branch(branchname,"AliTPCTrackHitsV2",&fTrackHits, | |
2689 | // fBufferSize,99); | |
2690 | ||
2691 | gAlice->TreeH()->GetListOfBranches()->Add(branch); | |
2692 | if (GetDebug()>1) | |
2693 | printf("* AliDetector::MakeBranch * Making Branch %s for trackhits\n",branchname); | |
2694 | const char folder [] = "RunMC/Event/Data"; | |
2695 | if (GetDebug()) | |
2696 | printf("%15s: Publishing %s to %s\n",ClassName(),branchname,folder); | |
2697 | Publish(folder,&fTrackHitsOld,branchname); | |
2698 | if (file) { | |
2699 | TBranch *b = gAlice->TreeH()->GetBranch(branchname); | |
2700 | TDirectory *wd = gDirectory; | |
2701 | b->SetFile(file); | |
2702 | TIter next( b->GetListOfBranches()); | |
2703 | while ((b=(TBranch*)next())) { | |
2704 | b->SetFile(file); | |
2705 | } | |
2706 | wd->cd(); | |
2707 | if (GetDebug()>1) | |
2708 | cout << "Diverting branch " << branchname << " to file " << file << endl; | |
2709 | } | |
2710 | } | |
39c8eb58 | 2711 | } |
2712 | ||
2713 | void AliTPC::SetTreeAddress() | |
2714 | { | |
792bb11c | 2715 | if (fHitType<=1) AliDetector::SetTreeAddress(); |
2716 | if (fHitType>1) SetTreeAddress2(); | |
39c8eb58 | 2717 | } |
2718 | ||
2719 | void AliTPC::SetTreeAddress2() | |
2720 | { | |
2721 | // | |
2722 | // Set branch address for the TrackHits Tree | |
2723 | // | |
2724 | TBranch *branch; | |
2725 | char branchname[20]; | |
2726 | sprintf(branchname,"%s2",GetName()); | |
2727 | // | |
2728 | // Branch address for hit tree | |
2729 | TTree *treeH = gAlice->TreeH(); | |
792bb11c | 2730 | if ((treeH)&&(fHitType&4)) { |
39c8eb58 | 2731 | branch = treeH->GetBranch(branchname); |
2732 | if (branch) branch->SetAddress(&fTrackHits); | |
2733 | } | |
792bb11c | 2734 | if ((treeH)&&(fHitType&2)) { |
2735 | branch = treeH->GetBranch(branchname); | |
2736 | if (branch) branch->SetAddress(&fTrackHitsOld); | |
2737 | } | |
2738 | ||
39c8eb58 | 2739 | } |
2740 | ||
2741 | void AliTPC::FinishPrimary() | |
2742 | { | |
792bb11c | 2743 | if (fTrackHits &&fHitType&4) fTrackHits->FlushHitStack(); |
2744 | if (fTrackHitsOld && fHitType&2) fTrackHitsOld->FlushHitStack(); | |
39c8eb58 | 2745 | } |
2746 | ||
2747 | ||
2748 | void AliTPC::AddHit2(Int_t track, Int_t *vol, Float_t *hits) | |
2749 | { | |
2750 | // | |
2751 | // add hit to the list | |
39c8eb58 | 2752 | Int_t rtrack; |
2753 | if (fIshunt) { | |
2754 | int primary = gAlice->GetPrimary(track); | |
2ab0c725 | 2755 | gAlice->Particle(primary)->SetBit(kKeepBit); |
39c8eb58 | 2756 | rtrack=primary; |
2757 | } else { | |
2758 | rtrack=track; | |
2759 | gAlice->FlagTrack(track); | |
2760 | } | |
2761 | //AliTPChit *hit = (AliTPChit*)fHits->UncheckedAt(fNhits-1); | |
2762 | //if (hit->fTrack!=rtrack) | |
2763 | // cout<<"bad track number\n"; | |
792bb11c | 2764 | if (fTrackHits && fHitType&4) |
39c8eb58 | 2765 | fTrackHits->AddHitKartez(vol[0],rtrack, hits[0], |
2766 | hits[1],hits[2],(Int_t)hits[3]); | |
792bb11c | 2767 | if (fTrackHitsOld &&fHitType&2 ) |
2768 | fTrackHitsOld->AddHitKartez(vol[0],rtrack, hits[0], | |
2769 | hits[1],hits[2],(Int_t)hits[3]); | |
2770 | ||
39c8eb58 | 2771 | } |
2772 | ||
2773 | void AliTPC::ResetHits() | |
2774 | { | |
2775 | if (fHitType&1) AliDetector::ResetHits(); | |
792bb11c | 2776 | if (fHitType>1) ResetHits2(); |
39c8eb58 | 2777 | } |
2778 | ||
2779 | void AliTPC::ResetHits2() | |
2780 | { | |
2781 | // | |
2782 | //reset hits | |
792bb11c | 2783 | if (fTrackHits && fHitType&4) fTrackHits->Clear(); |
2784 | if (fTrackHitsOld && fHitType&2) fTrackHitsOld->Clear(); | |
2785 | ||
39c8eb58 | 2786 | } |
2787 | ||
2788 | AliHit* AliTPC::FirstHit(Int_t track) | |
2789 | { | |
792bb11c | 2790 | if (fHitType>1) return FirstHit2(track); |
39c8eb58 | 2791 | return AliDetector::FirstHit(track); |
2792 | } | |
2793 | AliHit* AliTPC::NextHit() | |
2794 | { | |
792bb11c | 2795 | if (fHitType>1) return NextHit2(); |
2796 | ||
39c8eb58 | 2797 | return AliDetector::NextHit(); |
2798 | } | |
2799 | ||
2800 | AliHit* AliTPC::FirstHit2(Int_t track) | |
2801 | { | |
2802 | // | |
2803 | // Initialise the hit iterator | |
2804 | // Return the address of the first hit for track | |
2805 | // If track>=0 the track is read from disk | |
2806 | // while if track<0 the first hit of the current | |
2807 | // track is returned | |
2808 | // | |
2809 | if(track>=0) { | |
2810 | gAlice->ResetHits(); | |
2811 | gAlice->TreeH()->GetEvent(track); | |
2812 | } | |
2813 | // | |
792bb11c | 2814 | if (fTrackHits && fHitType&4) { |
39c8eb58 | 2815 | fTrackHits->First(); |
2816 | return fTrackHits->GetHit(); | |
2817 | } | |
792bb11c | 2818 | if (fTrackHitsOld && fHitType&2) { |
2819 | fTrackHitsOld->First(); | |
2820 | return fTrackHitsOld->GetHit(); | |
2821 | } | |
2822 | ||
39c8eb58 | 2823 | else return 0; |
2824 | } | |
2825 | ||
2826 | AliHit* AliTPC::NextHit2() | |
2827 | { | |
2828 | // | |
2829 | //Return the next hit for the current track | |
2830 | ||
792bb11c | 2831 | |
2832 | if (fTrackHitsOld && fHitType&2) { | |
2833 | fTrackHitsOld->Next(); | |
2834 | return fTrackHitsOld->GetHit(); | |
2835 | } | |
39c8eb58 | 2836 | if (fTrackHits) { |
2837 | fTrackHits->Next(); | |
2838 | return fTrackHits->GetHit(); | |
2839 | } | |
2840 | else | |
2841 | return 0; | |
2842 | } | |
2843 | ||
2844 | void AliTPC::LoadPoints(Int_t) | |
2845 | { | |
2846 | // | |
2847 | Int_t a = 0; | |
f2e8b846 | 2848 | /* if(fHitType==1) return AliDetector::LoadPoints(a); |
39c8eb58 | 2849 | LoadPoints2(a); |
f2e8b846 | 2850 | */ |
2851 | if(fHitType==1) AliDetector::LoadPoints(a); | |
2852 | else LoadPoints2(a); | |
2853 | ||
39c8eb58 | 2854 | // LoadPoints3(a); |
2855 | ||
2856 | } | |
2857 | ||
2858 | ||
2859 | void AliTPC::RemapTrackHitIDs(Int_t *map) | |
2860 | { | |
2861 | if (!fTrackHits) return; | |
39c8eb58 | 2862 | |
792bb11c | 2863 | if (fTrackHitsOld && fHitType&2){ |
2864 | AliObjectArray * arr = fTrackHitsOld->fTrackHitsInfo; | |
2865 | for (UInt_t i=0;i<arr->GetSize();i++){ | |
2866 | AliTrackHitsInfo * info = (AliTrackHitsInfo *)(arr->At(i)); | |
2867 | info->fTrackID = map[info->fTrackID]; | |
2868 | } | |
2869 | } | |
2870 | if (fTrackHitsOld && fHitType&4){ | |
2871 | TClonesArray * arr = fTrackHits->GetArray();; | |
2872 | for (Int_t i=0;i<arr->GetEntriesFast();i++){ | |
2873 | AliTrackHitsParamV2 * info = (AliTrackHitsParamV2 *)(arr->At(i)); | |
2874 | info->fTrackID = map[info->fTrackID]; | |
2875 | } | |
2876 | } | |
39c8eb58 | 2877 | } |
2878 | ||
792bb11c | 2879 | Bool_t AliTPC::TrackInVolume(Int_t id,Int_t track) |
2880 | { | |
2881 | //return bool information - is track in given volume | |
2882 | //load only part of the track information | |
2883 | //return true if current track is in volume | |
2884 | // | |
2885 | // return kTRUE; | |
2886 | if (fTrackHitsOld && fHitType&2) { | |
2887 | TBranch * br = gAlice->TreeH()->GetBranch("fTrackHitsInfo"); | |
2888 | br->GetEvent(track); | |
2889 | AliObjectArray * ar = fTrackHitsOld->fTrackHitsInfo; | |
2890 | for (UInt_t j=0;j<ar->GetSize();j++){ | |
2891 | if ( ((AliTrackHitsInfo*)ar->At(j))->fVolumeID==id) return kTRUE; | |
2892 | } | |
2893 | } | |
2894 | ||
2895 | if (fTrackHits && fHitType&4) { | |
2896 | TBranch * br1 = gAlice->TreeH()->GetBranch("fVolumes"); | |
2897 | TBranch * br2 = gAlice->TreeH()->GetBranch("fNVolumes"); | |
2898 | br2->GetEvent(track); | |
2899 | br1->GetEvent(track); | |
2900 | Int_t *volumes = fTrackHits->GetVolumes(); | |
2901 | Int_t nvolumes = fTrackHits->GetNVolumes(); | |
2902 | if (!volumes && nvolumes>0) { | |
2903 | printf("Problematic track\t%d\t%d",track,nvolumes); | |
2904 | return kFALSE; | |
2905 | } | |
2906 | for (Int_t j=0;j<nvolumes; j++) | |
2907 | if (volumes[j]==id) return kTRUE; | |
2908 | } | |
2909 | ||
2910 | if (fHitType&1) { | |
2911 | TBranch * br = gAlice->TreeH()->GetBranch("fSector"); | |
2912 | br->GetEvent(track); | |
2913 | for (Int_t j=0;j<fHits->GetEntriesFast();j++){ | |
2914 | if ( ((AliTPChit*)fHits->At(j))->fSector==id) return kTRUE; | |
2915 | } | |
2916 | } | |
2917 | return kFALSE; | |
2918 | ||
2919 | } | |
39c8eb58 | 2920 | |
2921 | //_____________________________________________________________________________ | |
2922 | void AliTPC::LoadPoints2(Int_t) | |
2923 | { | |
2924 | // | |
2925 | // Store x, y, z of all hits in memory | |
2926 | // | |
792bb11c | 2927 | if (fTrackHits == 0 && fTrackHitsOld==0) return; |
39c8eb58 | 2928 | // |
792bb11c | 2929 | Int_t nhits =0; |
2930 | if (fHitType&4) nhits = fTrackHits->GetEntriesFast(); | |
2931 | if (fHitType&2) nhits = fTrackHitsOld->GetEntriesFast(); | |
2932 | ||
39c8eb58 | 2933 | if (nhits == 0) return; |
2934 | Int_t tracks = gAlice->GetNtrack(); | |
2935 | if (fPoints == 0) fPoints = new TObjArray(tracks); | |
2936 | AliHit *ahit; | |
2937 | // | |
2938 | Int_t *ntrk=new Int_t[tracks]; | |
2939 | Int_t *limi=new Int_t[tracks]; | |
2940 | Float_t **coor=new Float_t*[tracks]; | |
2941 | for(Int_t i=0;i<tracks;i++) { | |
2942 | ntrk[i]=0; | |
2943 | coor[i]=0; | |
2944 | limi[i]=0; | |
2945 | } | |
2946 | // | |
2947 | AliPoints *points = 0; | |
2948 | Float_t *fp=0; | |
2949 | Int_t trk; | |
2950 | Int_t chunk=nhits/4+1; | |
2951 | // | |
2952 | // Loop over all the hits and store their position | |
2953 | // | |
2954 | ahit = FirstHit2(-1); | |
39c8eb58 | 2955 | while (ahit){ |
39c8eb58 | 2956 | trk=ahit->GetTrack(); |
2957 | if(ntrk[trk]==limi[trk]) { | |
2958 | // | |
2959 | // Initialise a new track | |
2960 | fp=new Float_t[3*(limi[trk]+chunk)]; | |
2961 | if(coor[trk]) { | |
2962 | memcpy(fp,coor[trk],sizeof(Float_t)*3*limi[trk]); | |
2963 | delete [] coor[trk]; | |
2964 | } | |
2965 | limi[trk]+=chunk; | |
2966 | coor[trk] = fp; | |
2967 | } else { | |
2968 | fp = coor[trk]; | |
2969 | } | |
2970 | fp[3*ntrk[trk] ] = ahit->X(); | |
2971 | fp[3*ntrk[trk]+1] = ahit->Y(); | |
2972 | fp[3*ntrk[trk]+2] = ahit->Z(); | |
2973 | ntrk[trk]++; | |
2974 | ahit = NextHit2(); | |
2975 | } | |
792bb11c | 2976 | |
2977 | ||
2978 | ||
39c8eb58 | 2979 | // |
2980 | for(trk=0; trk<tracks; ++trk) { | |
2981 | if(ntrk[trk]) { | |
2982 | points = new AliPoints(); | |
2983 | points->SetMarkerColor(GetMarkerColor()); | |
2984 | points->SetMarkerSize(GetMarkerSize()); | |
2985 | points->SetDetector(this); | |
2986 | points->SetParticle(trk); | |
2987 | points->SetPolyMarker(ntrk[trk],coor[trk],GetMarkerStyle()); | |
2988 | fPoints->AddAt(points,trk); | |
2989 | delete [] coor[trk]; | |
2990 | coor[trk]=0; | |
2991 | } | |
2992 | } | |
2993 | delete [] coor; | |
2994 | delete [] ntrk; | |
2995 | delete [] limi; | |
2996 | } | |
2997 | ||
2998 | ||
2999 | //_____________________________________________________________________________ | |
3000 | void AliTPC::LoadPoints3(Int_t) | |
3001 | { | |
3002 | // | |
3003 | // Store x, y, z of all hits in memory | |
3004 | // - only intersection point with pad row | |
3005 | if (fTrackHits == 0) return; | |
3006 | // | |
3007 | Int_t nhits = fTrackHits->GetEntriesFast(); | |
3008 | if (nhits == 0) return; | |
3009 | Int_t tracks = gAlice->GetNtrack(); | |
3010 | if (fPoints == 0) fPoints = new TObjArray(2*tracks); | |
3011 | fPoints->Expand(2*tracks); | |
3012 | AliHit *ahit; | |
3013 | // | |
3014 | Int_t *ntrk=new Int_t[tracks]; | |
3015 | Int_t *limi=new Int_t[tracks]; | |
3016 | Float_t **coor=new Float_t*[tracks]; | |
3017 | for(Int_t i=0;i<tracks;i++) { | |
3018 | ntrk[i]=0; | |
3019 | coor[i]=0; | |
3020 | limi[i]=0; | |
3021 | } | |
3022 | // | |
3023 | AliPoints *points = 0; | |
3024 | Float_t *fp=0; | |
3025 | Int_t trk; | |
3026 | Int_t chunk=nhits/4+1; | |
3027 | // | |
3028 | // Loop over all the hits and store their position | |
3029 | // | |
3030 | ahit = FirstHit2(-1); | |
3031 | //for (Int_t hit=0;hit<nhits;hit++) { | |
3032 | ||
3033 | Int_t lastrow = -1; | |
3034 | while (ahit){ | |
3035 | // ahit = (AliHit*)fHits->UncheckedAt(hit); | |
3036 | trk=ahit->GetTrack(); | |
3037 | Float_t x[3]={ahit->X(),ahit->Y(),ahit->Z()}; | |
3038 | Int_t index[3]={1,((AliTPChit*)ahit)->fSector,0}; | |
3039 | Int_t currentrow = fTPCParam->GetPadRow(x,index) ; | |
3040 | if (currentrow!=lastrow){ | |
3041 | lastrow = currentrow; | |
3042 | //later calculate intersection point | |
3043 | if(ntrk[trk]==limi[trk]) { | |
3044 | // | |
3045 | // Initialise a new track | |
3046 | fp=new Float_t[3*(limi[trk]+chunk)]; | |
3047 | if(coor[trk]) { | |
3048 | memcpy(fp,coor[trk],sizeof(Float_t)*3*limi[trk]); | |
3049 | delete [] coor[trk]; | |
3050 | } | |
3051 | limi[trk]+=chunk; | |
3052 | coor[trk] = fp; | |
3053 | } else { | |
3054 | fp = coor[trk]; | |
3055 | } | |
3056 | fp[3*ntrk[trk] ] = ahit->X(); | |
3057 | fp[3*ntrk[trk]+1] = ahit->Y(); | |
3058 | fp[3*ntrk[trk]+2] = ahit->Z(); | |
3059 | ntrk[trk]++; | |
3060 | } | |
3061 | ahit = NextHit2(); | |
3062 | } | |
3063 | ||
3064 | // | |
3065 | for(trk=0; trk<tracks; ++trk) { | |
3066 | if(ntrk[trk]) { | |
3067 | points = new AliPoints(); | |
3068 | points->SetMarkerColor(GetMarkerColor()+1); | |
3069 | points->SetMarkerStyle(5); | |
3070 | points->SetMarkerSize(0.2); | |
3071 | points->SetDetector(this); | |
3072 | points->SetParticle(trk); | |
3073 | // points->SetPolyMarker(ntrk[trk],coor[trk],GetMarkerStyle()20); | |
3074 | points->SetPolyMarker(ntrk[trk],coor[trk],30); | |
3075 | fPoints->AddAt(points,tracks+trk); | |
3076 | delete [] coor[trk]; | |
3077 | coor[trk]=0; | |
3078 | } | |
3079 | } | |
3080 | delete [] coor; | |
3081 | delete [] ntrk; | |
3082 | delete [] limi; | |
3083 | } | |
3084 | ||
3085 | ||
3086 | ||
3087 | void AliTPC::FindTrackHitsIntersection(TClonesArray * arr) | |
3088 | { | |
3089 | ||
3090 | // | |
3091 | //fill clones array with intersection of current point with the | |
3092 | //middle of the row | |
3093 | Int_t sector; | |
3094 | Int_t ipart; | |
3095 | ||
3096 | const Int_t kcmaxhits=30000; | |
de61d5d5 | 3097 | AliTPCFastVector * xxxx = new AliTPCFastVector(kcmaxhits*4); |
3098 | AliTPCFastVector & xxx = *xxxx; | |
39c8eb58 | 3099 | Int_t maxhits = kcmaxhits; |
3100 | ||
3101 | // | |
3102 | AliTPChit * tpcHit=0; | |
3103 | tpcHit = (AliTPChit*)FirstHit2(-1); | |
3104 | Int_t currentIndex=0; | |
3105 | Int_t lastrow=-1; //last writen row | |
3106 | ||
3107 | while (tpcHit){ | |
3108 | if (tpcHit==0) continue; | |
3109 | sector=tpcHit->fSector; // sector number | |
3110 | ipart=tpcHit->Track(); | |
3111 | ||
3112 | //find row number | |
3113 | ||
3114 | Float_t x[3]={tpcHit->X(),tpcHit->Y(),tpcHit->Z()}; | |
3115 | Int_t index[3]={1,sector,0}; | |
3116 | Int_t currentrow = fTPCParam->GetPadRow(x,index) ; | |
3117 | if (currentrow<0) continue; | |
3118 | if (lastrow<0) lastrow=currentrow; | |
3119 | if (currentrow==lastrow){ | |
3120 | if ( currentIndex>=maxhits){ | |
3121 | maxhits+=kcmaxhits; | |
3122 | xxx.ResizeTo(4*maxhits); | |
3123 | } | |
3124 | xxx(currentIndex*4)=x[0]; | |
3125 | xxx(currentIndex*4+1)=x[1]; | |
3126 | xxx(currentIndex*4+2)=x[2]; | |
3127 | xxx(currentIndex*4+3)=tpcHit->fQ; | |
3128 | currentIndex++; | |
3129 | } | |
3130 | else | |
3131 | if (currentIndex>2){ | |
3132 | Float_t sumx=0; | |
3133 | Float_t sumx2=0; | |
3134 | Float_t sumx3=0; | |
3135 | Float_t sumx4=0; | |
3136 | Float_t sumy=0; | |
3137 | Float_t sumxy=0; | |
3138 | Float_t sumx2y=0; | |
3139 | Float_t sumz=0; | |
3140 | Float_t sumxz=0; | |
3141 | Float_t sumx2z=0; | |
3142 | Float_t sumq=0; | |
3143 | for (Int_t index=0;index<currentIndex;index++){ | |
3144 | Float_t x,x2,x3,x4; | |
3145 | x=x2=x3=x4=xxx(index*4); | |
3146 | x2*=x; | |
3147 | x3*=x2; | |
3148 | x4*=x3; | |
3149 | sumx+=x; | |
3150 | sumx2+=x2; | |
3151 | sumx3+=x3; | |
3152 | sumx4+=x4; | |
3153 | sumy+=xxx(index*4+1); | |
3154 | sumxy+=xxx(index*4+1)*x; | |
3155 | sumx2y+=xxx(index*4+1)*x2; | |
3156 | sumz+=xxx(index*4+2); | |
3157 | sumxz+=xxx(index*4+2)*x; | |
3158 | sumx2z+=xxx(index*4+2)*x2; | |
3159 | sumq+=xxx(index*4+3); | |
3160 | } | |
3161 | Float_t centralPad = (fTPCParam->GetNPads(sector,lastrow)-1)/2; | |
3162 | Float_t det=currentIndex*(sumx2*sumx4-sumx3*sumx3)-sumx*(sumx*sumx4-sumx2*sumx3)+ | |
3163 | sumx2*(sumx*sumx3-sumx2*sumx2); | |
3164 | ||
3165 | Float_t detay=sumy*(sumx2*sumx4-sumx3*sumx3)-sumx*(sumxy*sumx4-sumx2y*sumx3)+ | |
3166 | sumx2*(sumxy*sumx3-sumx2y*sumx2); | |
3167 | Float_t detaz=sumz*(sumx2*sumx4-sumx3*sumx3)-sumx*(sumxz*sumx4-sumx2z*sumx3)+ | |
3168 | sumx2*(sumxz*sumx3-sumx2z*sumx2); | |
3169 | ||
3170 | Float_t detby=currentIndex*(sumxy*sumx4-sumx2y*sumx3)-sumy*(sumx*sumx4-sumx2*sumx3)+ | |
3171 | sumx2*(sumx*sumx2y-sumx2*sumxy); | |
3172 | Float_t detbz=currentIndex*(sumxz*sumx4-sumx2z*sumx3)-sumz*(sumx*sumx4-sumx2*sumx3)+ | |
3173 | sumx2*(sumx*sumx2z-sumx2*sumxz); | |
3174 | ||
3175 | Float_t y=detay/det+centralPad; | |
3176 | Float_t z=detaz/det; | |
3177 | Float_t by=detby/det; //y angle | |
3178 | Float_t bz=detbz/det; //z angle | |
3179 | sumy/=Float_t(currentIndex); | |
3180 | sumz/=Float_t(currentIndex); | |
3181 | ||
3182 | AliComplexCluster cl; | |
3183 | cl.fX=z; | |
3184 | cl.fY=y; | |
3185 | cl.fQ=sumq; | |
3186 | cl.fSigmaX2=bz; | |
3187 | cl.fSigmaY2=by; | |
3188 | cl.fTracks[0]=ipart; | |
3189 | ||
3190 | AliTPCClustersRow * row = (fClustersArray->GetRow(sector,lastrow)); | |
3191 | if (row!=0) row->InsertCluster(&cl); | |
3192 | currentIndex=0; | |
3193 | lastrow=currentrow; | |
3194 | } //end of calculating cluster for given row | |
3195 | ||
3196 | } // end of loop over hits | |
3197 | xxxx->Delete(); | |
39c8eb58 | 3198 | |
3199 | } | |
afc42102 | 3200 | //_______________________________________________________________________________ |
a62d28a2 | 3201 | void AliTPC::Digits2Reco(Int_t firstevent,Int_t lastevent) |
afc42102 | 3202 | { |
a62d28a2 | 3203 | // produces rec points from digits and writes them on the root file |
3204 | // AliTPCclusters.root | |
3205 | ||
3206 | TDirectory *cwd = gDirectory; | |
3207 | ||
3208 | ||
7a09f434 | 3209 | AliTPCParamSR *dig=(AliTPCParamSR *)gDirectory->Get("75x40_100x60"); |
3210 | if(dig){ | |
3211 | printf("You are running 2 pad-length geom hits with 3 pad-length geom digits\n"); | |
3212 | delete dig; | |
3213 | dig = new AliTPCParamSR(); | |
3214 | } | |
3215 | else | |
3216 | { | |
3217 | dig=(AliTPCParamSR *)gDirectory->Get("75x40_100x60_150x60"); | |
3218 | } | |
3219 | if(!dig){ | |
3220 | printf("No TPC parameters found\n"); | |
3221 | exit(3); | |
3222 | } | |
3223 | ||
a62d28a2 | 3224 | SetParam(dig); |
3225 | cout<<"AliTPC::Digits2Reco: TPC parameteres have been set"<<endl; | |
3226 | TFile *out; | |
3227 | if(!gSystem->Getenv("CONFIG_FILE")){ | |
3228 | out=TFile::Open("AliTPCclusters.root","recreate"); | |
3229 | } | |
3230 | else { | |
3231 | const char *tmp1; | |
3232 | const char *tmp2; | |
3233 | char tmp3[80]; | |
3234 | tmp1=gSystem->Getenv("CONFIG_FILE_PREFIX"); | |
3235 | tmp2=gSystem->Getenv("CONFIG_OUTDIR"); | |
3236 | sprintf(tmp3,"%s%s/AliTPCclusters.root",tmp1,tmp2); | |
3237 | out=TFile::Open(tmp3,"recreate"); | |
3238 | } | |
3239 | ||
3240 | TStopwatch timer; | |
3241 | cout<<"AliTPC::Digits2Reco - determination of rec points begins"<<endl; | |
3242 | timer.Start(); | |
3243 | cwd->cd(); | |
3244 | for(Int_t iev=firstevent;iev<lastevent+1;iev++){ | |
3245 | ||
3246 | printf("Processing event %d\n",iev); | |
3247 | Digits2Clusters(out,iev); | |
3248 | } | |
3249 | cout<<"AliTPC::Digits2Reco - determination of rec points ended"<<endl; | |
3250 | timer.Stop(); | |
3251 | timer.Print(); | |
3252 | out->Close(); | |
3253 | cwd->cd(); | |
3254 | ||
3255 | ||
afc42102 | 3256 | } |