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