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451f5018 | 1 | /* |
2 | */ | |
3 | ||
4 | /************************************************************************** | |
5 | * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * | |
6 | * * | |
7 | * Author: The ALICE Off-line Project. * | |
8 | * Contributors are mentioned in the code where appropriate. * | |
9 | * * | |
10 | * Permission to use, copy, modify and distribute this software and its * | |
11 | * documentation strictly for non-commercial purposes is hereby granted * | |
12 | * without fee, provided that the above copyright notice appears in all * | |
13 | * copies and that both the copyright notice and this permission notice * | |
14 | * appear in the supporting documentation. The authors make no claims * | |
15 | * about the suitability of this software for any purpose. It is * | |
16 | * provided "as is" without express or implied warranty. * | |
17 | **************************************************************************/ | |
18 | ||
19 | /* $Id: AliITSU.cxx $ */ | |
20 | ||
21 | ||
22 | /////////////////////////////////////////////////////////////////////////////// | |
23 | // // | |
24 | // An overview of the basic philosophy of the ITS code development // | |
25 | // and analysis is show in the figure below. // | |
26 | //Begin_Html // | |
27 | /* | |
28 | <img src="picts/ITS/ITS_Analysis_schema.gif"> | |
29 | </pre> | |
30 | <br clear=left> | |
31 | <font size=+2 color=red> | |
32 | <p>Roberto Barbera is in charge of the ITS Offline code (1999). | |
33 | <a href="mailto:roberto.barbera@ct.infn.it">Roberto Barbera</a>. | |
34 | </font> | |
35 | <pre> | |
36 | */ | |
37 | //End_Html | |
38 | // | |
39 | // AliITSU. Inner Traking System base class. | |
40 | // This class contains the base procedures for the Inner Tracking System | |
41 | // | |
42 | //Begin_Html | |
43 | /* | |
44 | <img src="picts/ITS/AliITS_Class_Diagram.gif"> | |
45 | </pre> | |
46 | <br clear=left> | |
47 | <font size=+2 color=red> | |
48 | <p>This show the class diagram of the different elements that are part of | |
49 | the AliITS class. | |
50 | </font> | |
51 | <pre> | |
52 | */ | |
53 | //End_Html | |
54 | // | |
55 | // Version: 0 | |
56 | // Written by Rene Brun, Federico Carminati, and Roberto Barbera | |
57 | // | |
58 | // Version: 1 | |
59 | // Modified and documented by Bjorn S. Nilsen | |
60 | // July 11 1999 | |
61 | // | |
62 | // Version: 2 | |
63 | // Modified and documented by A. Bologna | |
64 | // October 18 1999 | |
65 | // | |
66 | // AliITSU is the general base class for the ITS. Also see AliDetector for | |
67 | // futher information. | |
68 | // | |
69 | /////////////////////////////////////////////////////////////////////////////// | |
70 | ||
71 | #include <stdlib.h> | |
72 | #include <TClonesArray.h> | |
73 | #include <TFile.h> | |
74 | #include <TParticle.h> | |
75 | #include <TString.h> | |
76 | #include <TTree.h> | |
77 | #include <TVirtualMC.h> | |
78 | #include "AliDetector.h" | |
79 | #include "AliITSU.h" | |
80 | #include "AliITSLoader.h" | |
81 | #include "AliITSULoader.h" | |
82 | #include "AliITSUHit.h" | |
83 | #include "AliITSUSDigit.h" | |
84 | #include "AliITSUSimulation.h" | |
85 | #include "AliITSUSimulationPix.h" | |
86 | #include "AliITSsimulationFastPoints.h" | |
87 | #include "AliMC.h" | |
88 | #include "AliITSUDigitizer.h" | |
89 | #include "AliITSRecPoint.h" | |
90 | #include "AliRawReader.h" | |
91 | #include "AliRun.h" | |
92 | #include "AliLog.h" | |
93 | #include "AliITSdigit.h" | |
94 | #include "AliITSUModule.h" | |
95 | #include "AliITSUDigitPix.h" | |
96 | #include "AliITSsegmentation.h" | |
97 | #include "AliITSUSegmentationPix.h" | |
98 | #include "AliITSUSimuParam.h" | |
99 | #include "AliITSFOSignalsSPD.h" | |
c92b1537 | 100 | #include "AliParamList.h" |
101 | #include "AliCDBManager.h" // tmp! Later the simuparam should be loaded centrally | |
102 | #include "AliCDBEntry.h" | |
451f5018 | 103 | |
104 | ClassImp(AliITSU) | |
105 | ||
106 | //______________________________________________________________________ | |
107 | AliITSU::AliITSU() : | |
108 | AliDetector() | |
109 | ,fEuclidOut(0) | |
110 | ,fNLayers(0) | |
111 | ,fIdSens(0) | |
112 | ,fLayerName(0) | |
113 | ,fTiming(kFALSE) | |
451f5018 | 114 | ,fGeomTGeo(0) |
02d6eccc | 115 | ,fSimuParam(0) |
451f5018 | 116 | ,fModA(0) |
117 | ,fpSDigits(0) | |
118 | ,fSDigits(0) | |
119 | ,fDetHits(0) | |
120 | ,fModuleHits(0) | |
121 | ,fDetDigits(0) | |
122 | ,fSensMap(0) | |
c92b1537 | 123 | ,fSimModelLr(0) |
124 | ,fSegModelLr(0) | |
125 | ,fResponseLr(0) | |
451f5018 | 126 | ,fCalibration(0) |
127 | ,fRunNumber(0) | |
128 | ,fSimInitDone(kFALSE) | |
129 | { | |
130 | // Default initializer for ITS | |
131 | } | |
132 | ||
133 | //______________________________________________________________________ | |
134 | AliITSU::AliITSU(const Char_t *title, Int_t nlay) : | |
135 | AliDetector("ITS",title) | |
136 | ,fEuclidOut(0) | |
137 | ,fNLayers(nlay) | |
138 | ,fIdSens(0) | |
139 | ,fLayerName(0) | |
140 | ,fTiming(kFALSE) | |
451f5018 | 141 | ,fGeomTGeo(0) |
02d6eccc | 142 | ,fSimuParam(0) |
451f5018 | 143 | ,fModA(0) |
144 | ,fpSDigits(0) | |
145 | ,fSDigits(0) | |
146 | ,fDetHits(0) | |
147 | ,fModuleHits(0) | |
148 | ,fDetDigits(0) | |
149 | ,fSensMap(0) | |
c92b1537 | 150 | ,fSimModelLr(0) |
151 | ,fSegModelLr(0) | |
152 | ,fResponseLr(0) | |
451f5018 | 153 | ,fCalibration(0) |
154 | ,fRunNumber(0) | |
155 | ,fSimInitDone(kFALSE) | |
156 | { | |
157 | // The standard Constructor for the ITS class. | |
02d6eccc | 158 | AliMC* mc = gAlice->GetMCApp(); |
159 | if( mc && mc->GetHitLists() ) { | |
160 | fHits = new TClonesArray("AliITSUHit",100); // from AliDetector | |
161 | mc->AddHitList(fHits); | |
162 | } | |
451f5018 | 163 | } |
164 | ||
165 | ||
166 | //______________________________________________________________________ | |
167 | AliITSU::~AliITSU() | |
168 | { | |
169 | // Default destructor for ITS. | |
170 | // | |
171 | delete fHits; | |
c92b1537 | 172 | // delete fSimuParam; // provided by the CDBManager |
451f5018 | 173 | delete fSensMap; |
c92b1537 | 174 | if (fSimModelLr) { |
175 | for (int i=fNLayers;i--;) { // different layers may use the same simulation model | |
176 | for (int j=i;j--;) if (fSimModelLr[j]==fSimModelLr[i]) fSimModelLr[j] = 0; | |
177 | delete fSimModelLr[i]; | |
178 | } | |
179 | delete[] fSimModelLr; | |
180 | } | |
181 | if (fSegModelLr) { | |
182 | for (int i=fNLayers;i--;) { // different layers may use the same simulation model | |
183 | for (int j=i;j--;) if (fSegModelLr[j]==fSegModelLr[i]) fSegModelLr[j] = 0; | |
184 | delete fSegModelLr[i]; | |
185 | } | |
186 | delete[] fSegModelLr; | |
187 | } | |
188 | // | |
189 | delete fResponseLr; // note: the response data is owned by the CDBManager, we don't delete them | |
190 | // | |
451f5018 | 191 | delete[] fLayerName; // Array of TStrings |
192 | delete[] fIdSens; | |
193 | // | |
194 | int nmod = fGeomTGeo ? fGeomTGeo->GetNModules() : 0; | |
195 | if (fModuleHits) fModuleHits->Delete(); | |
196 | delete fModuleHits; | |
197 | if(fModA){ | |
198 | for(Int_t j=0; j<nmod; j++){ | |
199 | fModA[j]->Delete(); | |
200 | delete fModA[j]; | |
201 | } | |
202 | delete[] fModA; | |
203 | } | |
204 | if (fpSDigits) { fpSDigits->Delete(); delete fpSDigits; } | |
205 | if (fSDigits) { fSDigits->Delete(); delete fSDigits; } | |
206 | delete fGeomTGeo; | |
207 | // | |
208 | } | |
209 | ||
210 | //______________________________________________________________________ | |
211 | AliDigitizer* AliITSU::CreateDigitizer(AliDigitizationInput* manager) const | |
212 | { | |
213 | // Creates the AliITSDigitizer in a standard way for use via AliModule. | |
214 | // This function can not be included in the .h file because of problems | |
215 | // with the order of inclusion (recursive). | |
216 | // Inputs: | |
217 | // AliDigitizationInput *manager The Manger class for Digitization | |
218 | // Output: | |
219 | // none. | |
220 | // Return: | |
221 | // A new AliITSRunDigitizer (cast as a AliDigitizer). | |
222 | // | |
451f5018 | 223 | return new AliITSUDigitizer(manager); |
224 | } | |
225 | ||
226 | //______________________________________________________________________ | |
227 | void AliITSU::Init() | |
228 | { | |
229 | // Initializer ITS after it has been built | |
230 | // This routine initializes the AliITS class. It is intended to be | |
231 | // called from the Init function in AliITSv?. Besides displaying a banner | |
232 | // indicating that it has been called it initializes the array fIdSens | |
233 | // and sets the default segmentation, response, digit and raw cluster | |
234 | // classes therefore it should be called after a call to CreateGeometry. | |
235 | // | |
236 | if (!fIdSens) fIdSens = new Int_t[fNLayers]; | |
237 | for(int i=0;i<fNLayers;i++) fIdSens[i] = gMC ? gMC->VolId(fLayerName[i]) : 0; | |
02d6eccc | 238 | fGeomTGeo = new AliITSUGeomTGeo(kTRUE); |
239 | InitSimulation(); | |
451f5018 | 240 | // |
241 | } | |
242 | ||
243 | //______________________________________________________________________ | |
244 | void AliITSU::MakeBranch(Option_t* option) | |
245 | { | |
246 | // Creates Tree branches for the ITS. | |
247 | // Inputs: | |
248 | // Option_t *option String of Tree types S,D, and/or R. | |
249 | // const char *file String of the file name where these branches | |
250 | // are to be stored. If blank then these branches | |
251 | // are written to the same tree as the Hits were | |
252 | // read from. | |
253 | // Outputs: | |
254 | // none. | |
255 | // Return: | |
256 | // none. | |
257 | ||
258 | Bool_t cH = (strstr(option,"H")!=0); | |
259 | Bool_t cS = (strstr(option,"S")!=0); | |
260 | Bool_t cD = (strstr(option,"D")!=0); | |
261 | ||
262 | if(cH && (fHits == 0x0)) fHits = new TClonesArray("AliITSUHit", 1560); | |
263 | AliDetector::MakeBranch(option); | |
264 | ||
265 | if(cS) MakeBranchS(0); | |
266 | if(cD) MakeBranchD(0); | |
267 | // | |
268 | } | |
269 | ||
270 | //___________________________________________________________________ | |
271 | void AliITSU::MakeBranchS(const char* fl) | |
272 | { | |
273 | // Creates Tree Branch for the ITS summable digits. | |
274 | // Inputs: | |
275 | // cont char *fl File name where SDigits branch is to be written | |
276 | // to. If blank it write the SDigits to the same | |
277 | // file in which the Hits were found. | |
278 | // | |
279 | Int_t buffersize = 4000; | |
280 | char branchname[31]; | |
281 | // | |
282 | // only one branch for SDigits. | |
283 | snprintf(branchname,30,"%s",GetName()); | |
284 | if(fLoader->TreeS()) MakeBranchInTree(fLoader->TreeS(),branchname,&fSDigits,buffersize,fl); | |
285 | // | |
286 | } | |
287 | ||
288 | //______________________________________________________________________ | |
289 | void AliITSU::MakeBranchD(const char* file) | |
290 | { | |
291 | //Make branch for digits | |
292 | MakeBranchInTreeD(fLoader->TreeD(),file); | |
293 | } | |
294 | ||
295 | //___________________________________________________________________ | |
296 | void AliITSU:: MakeBranchInTreeD(TTree* treeD, const char* file) | |
297 | { | |
298 | // Creates Tree branches for the ITS. | |
299 | // | |
300 | if (!treeD) {AliFatal("No tree provided");} | |
301 | Int_t buffersize = 4000; | |
302 | if (!fDetDigits) InitArrays(); | |
303 | // | |
304 | for (Int_t i=0;i<kNDetTypes;i++) { | |
305 | ResetDigits(i); | |
306 | TClonesArray* darr = (TClonesArray*)fDetDigits->At(i); | |
307 | AliDetector::MakeBranchInTree(treeD,Form("%sDigits%s",GetName(),fGeomTGeo->GetDetTypeName(i)), | |
308 | &darr,buffersize,file); | |
309 | } | |
310 | // | |
311 | } | |
312 | ||
313 | //______________________________________________________________________ | |
314 | void AliITSU::InitArrays() | |
315 | { | |
316 | // initialize arrays | |
317 | // | |
451f5018 | 318 | if(!fLoader) MakeLoader(AliConfig::GetDefaultEventFolderName()); |
319 | // | |
320 | fDetDigits = new TObjArray(kNDetTypes); | |
321 | for (Int_t i=0;i<kNDetTypes;i++) fDetDigits->AddAt(new TClonesArray(GetDigitClassName(i),100),i); | |
322 | // | |
323 | fSDigits = new TClonesArray("AliITSUSDigit",100); | |
324 | // | |
325 | fDetHits = new TClonesArray("AliITSUHit",100); | |
326 | // | |
327 | fModuleHits = new TObjArray(fGeomTGeo->GetNModules()); | |
328 | for (int i=0;i<fGeomTGeo->GetNModules();i++) fModuleHits->AddLast( new AliITSUModule(i,fGeomTGeo) ); | |
329 | // | |
330 | } | |
331 | ||
332 | //______________________________________________________________________ | |
333 | void AliITSU::SetTreeAddress() | |
334 | { | |
335 | // Set branch address for the Trees. | |
336 | TTree *treeS = fLoader->TreeS(); | |
02d6eccc | 337 | if (treeS) { |
338 | TBranch* br = treeS->GetBranch(GetName()); | |
339 | if (br) br->SetAddress(&fSDigits); | |
340 | } | |
451f5018 | 341 | // |
342 | TTree *treeD = fLoader->TreeD(); | |
343 | if (treeD) { | |
344 | if (!fDetDigits) InitArrays(); | |
345 | for (int i=0;i<kNDetTypes;i++) { | |
346 | TString brname = Form("%sDigits%s",GetName(),GetDetTypeName(i)); | |
347 | TBranch* br = treeD->GetBranch(brname.Data()); | |
02d6eccc | 348 | if (!br) continue; |
451f5018 | 349 | TClonesArray* darr = (TClonesArray*)fDetDigits->At(i); |
350 | br->SetAddress(&darr); | |
351 | } | |
352 | } | |
353 | if (fLoader->TreeH() && (fHits == 0x0)) fHits = new TClonesArray("AliITSUHit", 1560); | |
354 | AliDetector::SetTreeAddress(); | |
355 | // | |
356 | } | |
357 | ||
358 | //______________________________________________________________________ | |
359 | void AliITSU::AddHit(Int_t track, Int_t *vol, Float_t *hits) | |
360 | { | |
361 | // Add an ITS hit | |
362 | // The function to add information to the AliITSUHit class. See the | |
363 | // AliITSUHit class for a full description. This function allocates the | |
364 | // necessary new space for the hit information and passes the variable | |
365 | // track, and the pointers *vol and *hits to the AliITSUHit constructor | |
366 | // function. | |
367 | // Inputs: | |
368 | // Int_t track Track number which produced this hit. | |
369 | // Int_t *vol Array of Integer Hit information. See AliITSUHit.h | |
370 | // Float_t *hits Array of Floating Hit information. see AliITSUHit.h | |
371 | TClonesArray &lhits = *fHits; | |
372 | new(lhits[fNhits++]) AliITSUHit(fIshunt,track,vol,hits); | |
373 | // | |
374 | } | |
375 | ||
376 | //______________________________________________________________________ | |
377 | void AliITSU::FillModules(Int_t bgrev, Option_t *option, const char *filename) | |
378 | { | |
379 | // fill the modules with the sorted by module hits; add hits from | |
380 | // background if option=Add. | |
381 | // | |
382 | static TTree *trH1=0; //Tree with background hits | |
383 | static Bool_t first=kTRUE; | |
384 | static TFile *file = 0; | |
385 | const char *addBgr = strstr(option,"Add"); | |
386 | // | |
387 | if (addBgr ) { | |
388 | if(first) { | |
389 | file = new TFile(filename); | |
390 | first=kFALSE; | |
391 | } | |
392 | file->cd(); | |
393 | file->ls(); | |
394 | // Get Hits Tree header from file | |
395 | if (trH1) {delete trH1; trH1=0;} | |
396 | // | |
397 | char treeName[21]; | |
398 | snprintf(treeName,20,"TreeH%d",bgrev); | |
399 | trH1 = (TTree*)gDirectory->Get(treeName); | |
400 | if (!trH1) Error("FillModules","cannot find Hits Tree for event:%d",bgrev); | |
401 | // Set branch addresses | |
402 | } // end if addBgr | |
403 | ||
404 | FillModules(fLoader->TreeH(),0); // fill from this file's tree. | |
405 | // | |
406 | if (addBgr ) { | |
407 | FillModules(trH1,10000000); // Default mask 10M. | |
408 | TTree *fAli=fLoader->GetRunLoader()->TreeK(); | |
409 | TFile *fileAli=0; | |
410 | if (fAli) { | |
411 | fileAli = fAli->GetCurrentFile(); | |
412 | fileAli->cd(); | |
413 | } | |
414 | } // end if add | |
415 | // | |
416 | } | |
417 | ||
418 | //______________________________________________________________________ | |
419 | void AliITSU::FillModules(TTree *treeH, Int_t /*mask*/) | |
420 | { | |
421 | // fill the modules with the sorted by module hits; | |
422 | // can be called many times to do a merging | |
423 | // Inputs: | |
424 | // TTree *treeH The tree containing the hits to be copied into | |
425 | // the modules. | |
426 | // Int_t mask The track number mask to indecate which file | |
427 | // this hits came from. | |
428 | // | |
429 | if (treeH == 0x0) { AliError("Tree H is NULL"); return; } | |
430 | // | |
431 | Int_t lay,lad,det,index; | |
432 | AliITSUHit *itsHit=0; | |
433 | char branchname[21]; | |
434 | snprintf(branchname,20,"%s",GetName()); | |
435 | TBranch *branch = treeH->GetBranch(branchname); | |
436 | if (!branch) {Error("FillModules","%s branch in TreeH not found",branchname); return;} // end if !branch | |
437 | // | |
438 | branch->SetAddress(&fHits); | |
439 | Int_t nTracks =(Int_t) treeH->GetEntries(); | |
440 | Int_t iPrimTrack,h; | |
441 | for (iPrimTrack=0; iPrimTrack<nTracks; iPrimTrack++) { | |
442 | ResetHits(); | |
443 | Int_t nBytes = treeH->GetEvent(iPrimTrack); | |
444 | if (nBytes <= 0) continue; | |
445 | Int_t nHits = fHits->GetEntriesFast(); | |
446 | for (h=0; h<nHits; h++){ | |
447 | itsHit = (AliITSUHit *)fHits->UncheckedAt(h); | |
448 | itsHit->GetDetectorID(lay,lad,det); | |
02d6eccc | 449 | index = fGeomTGeo->GetModuleIndex(lay,lad,det); // !!! AliITSHit counts indices from 1! |
451f5018 | 450 | itsHit = new( (*fDetHits)[fDetHits->GetEntriesFast()] ) AliITSUHit(*itsHit); |
451 | itsHit->SetUniqueID(h); | |
452 | GetModule(index)->AddHit(itsHit); | |
453 | // do we need to add a mask? | |
454 | // itsHit->SetTrack(itsHit->GetTrack()+mask); | |
455 | } // end loop over hits | |
456 | } // end loop over tracks | |
457 | } | |
458 | ||
459 | //______________________________________________________________________ | |
460 | void AliITSU::ClearModules() | |
461 | { | |
462 | // clear accumulated hits | |
463 | if (!fModuleHits || !fDetHits) AliFatal("Hits accumulation arrays are not defined"); | |
464 | for (int i=fGeomTGeo->GetNModules();i--;) GetModule(i)->Clear(); | |
465 | fDetHits->Clear(); | |
466 | } | |
467 | ||
468 | //______________________________________________________________________ | |
469 | void AliITSU::Hits2SDigits() | |
470 | { | |
471 | // Standard Hits to summable Digits function. | |
451f5018 | 472 | if (!IsSimInitDone()) InitSimulation(); |
473 | fLoader->LoadHits("read"); | |
474 | fLoader->LoadSDigits("recreate"); | |
475 | AliRunLoader* rl = fLoader->GetRunLoader(); | |
476 | // | |
477 | for (Int_t iEvent = 0; iEvent < rl->GetNumberOfEvents(); iEvent++) { | |
478 | rl->GetEvent(iEvent); | |
479 | if (!fLoader->TreeS()) fLoader->MakeTree("S"); | |
480 | MakeBranch("S"); | |
481 | SetTreeAddress(); | |
482 | Hits2SDigits(iEvent,0," "," "); | |
483 | } // end for iEvent | |
484 | // | |
485 | fLoader->UnloadHits(); | |
486 | fLoader->UnloadSDigits(); | |
487 | // | |
488 | } | |
489 | ||
490 | //______________________________________________________________________ | |
491 | void AliITSU::Hits2SDigits(Int_t evNumber,Int_t bgrev,Option_t *option,const char *filename) | |
492 | { | |
493 | // Keep galice.root for signal and name differently the file for | |
494 | // background when add! otherwise the track info for signal will be lost ! | |
495 | // Inputs: | |
496 | // Int_t evnt Event to be processed. | |
497 | // Int_t bgrev Background Hit tree number. | |
498 | // Int_t nmodules Not used. | |
499 | // Option_t *option String indicating if merging hits or not. To | |
500 | // merge hits set equal to "Add". Otherwise no | |
501 | // background hits are considered. | |
502 | // Test_t *filename File name containing the background hits.. | |
503 | // | |
504 | if (!IsSimInitDone()) InitSimulation(); | |
505 | FillModules(bgrev,option,filename); | |
506 | // | |
507 | Int_t nmodules = fGeomTGeo->GetNModules(); | |
c92b1537 | 508 | |
451f5018 | 509 | for(int module=0;module<nmodules;module++) { |
c92b1537 | 510 | int lr = fGeomTGeo->GetLayer(module); |
511 | AliITSUSimulation* sim = GetSimulationModel(lr); | |
512 | sim->InitSimulationModule(GetModule(module),evNumber/*,gAlice->GetEvNumber()*/,GetSegmentation(lr),GetResponseParam(lr)); | |
513 | sim->SDigitiseModule(); | |
451f5018 | 514 | fLoader->TreeS()->Fill(); // fills all branches - wasted disk space |
515 | ResetSDigits(); | |
516 | } | |
517 | // | |
518 | ClearModules(); | |
519 | // | |
520 | fLoader->TreeS()->GetEntries(); | |
521 | fLoader->TreeS()->AutoSave(); | |
522 | fLoader->WriteSDigits("OVERWRITE"); | |
523 | fLoader->TreeS()->Reset(); | |
524 | } | |
525 | ||
02d6eccc | 526 | //______________________________________________________________________ |
527 | void AliITSU::Hits2Digits() | |
528 | { | |
529 | // Standard Hits to Digits function. | |
530 | if (!IsSimInitDone()) InitSimulation(); | |
531 | fLoader->LoadHits("read"); | |
532 | fLoader->LoadDigits("recreate"); | |
533 | AliRunLoader* rl = fLoader->GetRunLoader(); | |
534 | // | |
535 | for (Int_t iEvent = 0; iEvent < rl->GetNumberOfEvents(); iEvent++) { | |
536 | rl->GetEvent(iEvent); | |
537 | if (!fLoader->TreeS()) fLoader->MakeTree("S"); | |
538 | MakeBranch("D"); | |
539 | SetTreeAddress(); | |
540 | Hits2Digits(iEvent,0," "," "); | |
541 | } // end for iEvent | |
542 | // | |
543 | fLoader->UnloadHits(); | |
544 | fLoader->UnloadSDigits(); | |
545 | // | |
546 | } | |
547 | ||
451f5018 | 548 | //______________________________________________________________________ |
549 | void AliITSU::Hits2Digits(Int_t evNumber,Int_t bgrev,Option_t *option,const char *filename) | |
550 | { | |
551 | // Keep galice.root for signal and name differently the file for | |
552 | // background when add! otherwise the track info for signal will be lost ! | |
553 | // Inputs: | |
554 | // Int_t evnt Event to be processed. | |
555 | // Int_t bgrev Background Hit tree number. | |
556 | // Option_t *option String indicating if merging hits or not. To | |
557 | // merge hits set equal to "Add". Otherwise no | |
558 | // background hits are considered. | |
559 | // Test_t *filename File name containing the background hits.. | |
560 | // Outputs: | |
561 | // | |
562 | if (!IsSimInitDone()) InitSimulation(); | |
563 | FillModules(bgrev,option,filename); | |
564 | // | |
565 | Int_t nmodules = fGeomTGeo->GetNModules(); | |
566 | for (Int_t module=0;module<nmodules;module++) { | |
c92b1537 | 567 | int lr = fGeomTGeo->GetLayer(module); |
568 | AliITSUSimulation* sim = GetSimulationModel(lr); | |
569 | sim->InitSimulationModule(GetModule(module),evNumber/*gAlice->GetEvNumber()*/,GetSegmentation(lr),GetResponseParam(lr)); | |
570 | sim->DigitiseModule(); | |
451f5018 | 571 | // fills all branches - wasted disk space |
572 | fLoader->TreeD()->Fill(); | |
573 | ResetDigits(); | |
574 | } // end for module | |
575 | // | |
576 | ClearModules(); | |
577 | // | |
578 | // WriteFOSignals(); // Add Fast-OR signals to event (only one object per event) | |
579 | fLoader->TreeD()->GetEntries(); | |
580 | fLoader->TreeD()->AutoSave(); | |
581 | fLoader->TreeD()->Reset(); | |
582 | // | |
583 | } | |
584 | ||
585 | //_____________________________________________________________________ | |
586 | void AliITSU::Hits2FastRecPoints(Int_t bgrev,Option_t *opt,const char *flnm) | |
587 | { | |
588 | // keep galice.root for signal and name differently the file for | |
589 | // background when add! otherwise the track info for signal will be lost ! | |
590 | // Inputs: | |
591 | // Int_t evnt Event to be processed. | |
592 | // Int_t bgrev Background Hit tree number. | |
593 | // Option_t *opt Option passed to FillModules. See FillModules. | |
594 | // Test_t *flnm File name containing the background hits.. | |
595 | // Outputs: | |
596 | // none. | |
597 | // Return: | |
598 | // none. | |
599 | if (!IsSimInitDone()) InitSimulation(); | |
600 | AliITSULoader *pITSloader = (AliITSULoader*)fLoader; | |
601 | Int_t nmodules = fGeomTGeo->GetNModules(); | |
602 | FillModules(bgrev,opt,flnm); | |
603 | // | |
604 | TTree *lTR = pITSloader->TreeR(); | |
605 | if(!lTR) { | |
606 | pITSloader->MakeTree("R"); | |
607 | lTR = pITSloader->TreeR(); | |
608 | } | |
609 | // | |
610 | TClonesArray* ptarray = new TClonesArray("AliITSRecPoint",1000); | |
611 | TBranch* branch = (TBranch*)lTR->Branch("ITSRecPointsF",&ptarray); | |
612 | branch->SetAddress(&ptarray); | |
613 | for (int module=0;module<nmodules;module++){ | |
614 | int id = fGeomTGeo->GetModuleDetTypeID(module); | |
615 | AliITSUSimulation* sim = GetSimulationModel(id); | |
616 | if (!sim) AliFatal(Form("The sim.class for module %d of DetTypeID %d is missing",module,id)); | |
617 | sim->CreateFastRecPoints( GetModule(module) ,module,gRandom,ptarray); | |
618 | lTR->Fill(); | |
619 | ptarray->Clear(); | |
620 | } // end for module | |
621 | // | |
622 | ClearModules(); | |
623 | fLoader->WriteRecPoints("OVERWRITE"); | |
624 | delete ptarray; | |
625 | } | |
626 | ||
627 | //_____________________________________________________________________ | |
f9c7eb32 | 628 | Int_t AliITSU::Hits2Clusters(TTree */*hTree*/, TTree */*cTree*/) |
451f5018 | 629 | { |
630 | /* RS: TODO | |
631 | // This function creates ITS clusters | |
632 | if (!IsSimInitDone()) InitSimulation(); | |
633 | Int_t mmax = 0; | |
634 | FillModules(hTree,0); | |
635 | // | |
636 | TClonesArray *points = new TClonesArray("AliITSRecPoint",1000); | |
637 | TBranch *branch=cTree->GetBranch("ITSRecPoints"); | |
638 | if (!branch) cTree->Branch("ITSRecPoints",&points); | |
639 | else branch->SetAddress(&points); | |
640 | // | |
641 | AliITSsimulationFastPoints sim; | |
642 | Int_t ncl=0; | |
643 | for (Int_t m=0; m<mmax; m++) { | |
644 | sim.CreateFastRecPoints(GetModule(m),m,gRandom,points); | |
645 | ncl+=points->GetEntriesFast(); | |
646 | cTree->Fill(); | |
647 | points->Clear(); | |
648 | } | |
649 | // | |
650 | ClearModules(); | |
651 | // | |
652 | AliDebug(1,Form("Number of found fast clusters : %d",ncl)); | |
653 | //cTree->Write(); | |
654 | delete points; | |
655 | */ | |
656 | return 0; | |
657 | } | |
658 | ||
659 | //_____________________________________________________________________ | |
660 | void AliITSU::CheckLabels(Int_t lab[3]) const //RSDONE | |
661 | { | |
662 | // Tries to find mother's labels | |
663 | // | |
664 | if(lab[0]<0 && lab[1]<0 && lab[2]<0) return; // In case of no labels just exit | |
665 | // | |
666 | Int_t ntracks = gAlice->GetMCApp()->GetNtrack(); | |
667 | for (Int_t i=0;i<3;i++){ | |
668 | Int_t label = lab[i]; | |
669 | if (label>=0 && label<ntracks) { | |
670 | TParticle *part=(TParticle*)gAlice->GetMCApp()->Particle(label); | |
671 | if (part->P() < 0.005) { | |
672 | Int_t m=part->GetFirstMother(); | |
673 | if (m<0) continue; | |
674 | if (part->GetStatusCode()>0) continue; | |
675 | lab[i]=m; | |
676 | } | |
677 | } | |
678 | } | |
679 | // | |
680 | } | |
681 | ||
682 | //______________________________________________________________________ | |
683 | void AliITSU::ResetDigits() //RSDONE? | |
684 | { | |
685 | // Reset number of digits and the digits array for the ITS detector. | |
686 | if (fDetDigits) for (int i=kNDetTypes;i--;) ResetDigits(i); | |
687 | // | |
688 | } | |
689 | ||
690 | //______________________________________________________________________ | |
691 | void AliITSU::ResetDigits(Int_t branch) | |
692 | { | |
693 | // Reset number of digits and the digits array for this branch. | |
694 | if (fDetDigits) ((TClonesArray*)fDetDigits->At(branch))->Clear(); | |
695 | // | |
696 | } | |
697 | ||
698 | //______________________________________________________________________ | |
699 | void AliITSU::AddSumDigit(AliITSUSDigit &sdig) | |
700 | { | |
701 | // Adds the module summable digits to the summable digits tree. | |
702 | new( (*fSDigits)[fSDigits->GetEntriesFast()]) AliITSUSDigit(sdig); | |
703 | // | |
704 | } | |
705 | ||
706 | //______________________________________________________________________ | |
707 | void AliITSU::AddSimDigit(Int_t branch, AliITSdigit *d) | |
708 | { | |
709 | // Add a simulated digit. | |
710 | // Inputs: | |
711 | // Int_t id Detector type number. | |
712 | // AliITSdigit *d Digit to be added to the Digits Tree. See | |
713 | // AliITSdigit.h | |
714 | TClonesArray &ldigits = *((TClonesArray*)fDetDigits->At(branch)); | |
715 | int nd = ldigits.GetEntriesFast(); | |
716 | switch(branch){ | |
02d6eccc | 717 | case AliITSUGeomTGeo::kDetTypePix: |
451f5018 | 718 | new(ldigits[nd]) AliITSUDigitPix(*((AliITSUDigitPix*)d)); |
719 | break; | |
720 | default: | |
721 | AliFatal(Form("Unknown digits branch %d",branch)); | |
722 | } | |
723 | } | |
724 | ||
725 | //______________________________________________________________________ | |
f9c7eb32 | 726 | void AliITSU::AddSimDigit(Int_t branch,Float_t /*phys*/,Int_t *digits,Int_t *tracks, |
727 | Int_t *hits,Float_t */*charges*/, Int_t /*sigexpanded*/) | |
451f5018 | 728 | { |
729 | // Add a simulated digit to the list. | |
730 | // Inputs: | |
731 | // Int_t id Detector type number. | |
732 | // Float_t phys Physics indicator. See AliITSdigits.h | |
733 | // Int_t *digits Integer array containing the digits info. See | |
734 | // AliITSdigit.h | |
735 | // Int_t *tracks Integer array [AliITSdigitS?D::GetNTracks()] | |
736 | // containing the track numbers that contributed to | |
737 | // this digit. | |
738 | // Int_t *hits Integer array [AliITSdigitS?D::GetNTracks()] | |
739 | // containing the hit numbers, from AliITSmodule, that | |
740 | // contributed to this digit. | |
741 | // Float_t *charge Floating point array of the signals contributed | |
742 | // to this digit by each track. | |
743 | TClonesArray &ldigits = *((TClonesArray*)fDetDigits->At(branch)); | |
744 | int nd = ldigits.GetEntriesFast(); | |
745 | switch(branch){ | |
02d6eccc | 746 | case AliITSUGeomTGeo::kDetTypePix: |
451f5018 | 747 | new(ldigits[nd]) AliITSUDigitPix(digits,tracks,hits); |
748 | break; | |
749 | default: | |
750 | AliFatal(Form("Unknown digits branch %d",branch)); | |
751 | } | |
752 | // | |
753 | } | |
754 | ||
755 | //______________________________________________________________________ | |
756 | void AliITSU::Digits2Raw() | |
757 | { | |
758 | AliError("Not ready"); | |
759 | } | |
760 | ||
761 | //______________________________________________________________________ | |
762 | AliLoader* AliITSU::MakeLoader(const char* topfoldername) | |
763 | { | |
764 | //builds ITSgetter (AliLoader type) | |
765 | //if detector wants to use castomized getter, it must overload this method | |
766 | ||
767 | AliDebug(1,Form("Creating AliITSULoader. Top folder is %s.",topfoldername)); | |
768 | fLoader = new AliITSULoader(GetName(),topfoldername); | |
769 | return fLoader; | |
770 | } | |
771 | ||
772 | //______________________________________________________________________ | |
f9c7eb32 | 773 | Bool_t AliITSU::Raw2SDigits(AliRawReader* /*rawReader*/) |
451f5018 | 774 | { |
775 | AliError("Not ready"); | |
776 | return kFALSE; | |
777 | } | |
778 | ||
779 | //______________________________________________________________________ | |
780 | /* | |
781 | AliTriggerDetector* AliITSU::CreateTriggerDetector() const | |
782 | { | |
783 | // create an AliITSTrigger object (and set trigger conditions as input) | |
784 | return new AliITSTrigger(fDetTypeSim->GetTriggerConditions()); | |
785 | } | |
786 | */ | |
787 | ||
788 | //______________________________________________________________________ | |
789 | void AliITSU::WriteFOSignals() | |
790 | { | |
791 | // This method write FO signals in Digits tree both in Hits2Digits | |
792 | // or SDigits2Digits | |
793 | AliError("Not ready"); | |
794 | // fDetTypeSim->ProcessNoiseForFastOr(); | |
795 | } | |
796 | ||
797 | //_______________________________________________________________________ | |
798 | void AliITSU::SDigits2Digits() | |
799 | { | |
800 | // Standard Summable digits to Digits function. | |
801 | // | |
802 | if (!IsSimInitDone()) InitSimulation(); | |
803 | TTree* trees = fLoader->TreeS(); | |
804 | if( !(trees && fSDigits) ) AliFatal("Error: No trees or SDigits."); | |
805 | TBranch* brchSDigits = trees->GetBranch(GetName()); | |
806 | // | |
807 | int nmodules = fGeomTGeo->GetNModules(); | |
808 | for (int module=0;module<nmodules;module++) { | |
c92b1537 | 809 | int lr = fGeomTGeo->GetLayer(module); |
810 | AliITSUSimulation* sim = GetSimulationModel(lr); | |
811 | sim->InitSimulationModule(GetModule(module),gAlice->GetEvNumber(),GetSegmentation(lr),GetResponseParam(lr)); | |
451f5018 | 812 | fSDigits->Clear(); |
813 | brchSDigits->GetEvent(module); | |
814 | sim->AddSDigitsToModule(fSDigits,0); | |
815 | sim->FinishSDigitiseModule(); | |
816 | fLoader->TreeD()->Fill(); | |
817 | ResetDigits(); | |
818 | } | |
819 | // WriteFOSignals(); | |
820 | fLoader->TreeD()->GetEntries(); | |
821 | fLoader->TreeD()->AutoSave(); | |
822 | fLoader->TreeD()->Reset(); | |
823 | } | |
824 | ||
825 | //_______________________________________________________________________ | |
826 | void AliITSU::InitSimulation() | |
827 | { | |
828 | // Initialize arrays, segmentations ets, needed for simulation | |
829 | // Equivalent of old AliITSDetTypeSim construction | |
830 | // | |
831 | if (fSimInitDone) {AliInfo("Already done"); return;} | |
832 | // | |
c92b1537 | 833 | AliCDBEntry* cdbEnt = AliCDBManager::Instance()->Get("ITS/Calib/SimuParam"); // tmp: load it centrally |
834 | if (!cdbEnt) {AliFatal("Failed to find ITS/Calib/SimuParam on CDB"); exit(1);} | |
835 | fSimuParam = (AliITSUSimuParam*)cdbEnt->GetObject(); | |
836 | // | |
451f5018 | 837 | fSensMap = new AliITSUSensMap("AliITSUSDigit",0,0); |
c92b1537 | 838 | fSimModelLr = new AliITSUSimulation*[fNLayers]; |
839 | fSegModelLr = new AliITSsegmentation*[fNLayers]; | |
840 | fResponseLr = new AliParamList*[fNLayers]; | |
841 | // | |
842 | TObjArray arrSeg; | |
843 | AliITSUSegmentationPix::LoadSegmentations(&arrSeg, AliITSUGeomTGeo::GetITSsegmentationFileName()); | |
451f5018 | 844 | // |
845 | // add known simulation types used in the setup | |
846 | for (int i=fNLayers;i--;) { | |
69e0f089 | 847 | fSimModelLr[i] = 0; |
848 | fSegModelLr[i] = 0; | |
849 | fResponseLr[i] = 0; | |
c92b1537 | 850 | int dType = fGeomTGeo->GetLayerDetTypeID(i); // fine detector type: class + segmentation |
851 | int sType = dType/AliITSUGeomTGeo::kMaxSegmPerDetType; // detector simulation class | |
451f5018 | 852 | // |
c92b1537 | 853 | // check if the simulation of this sType was already created for preceeding layers |
451f5018 | 854 | AliITSUSimulation* simUpg = 0; |
69e0f089 | 855 | for (int j=fNLayers-1;j>i;j--) { |
c92b1537 | 856 | simUpg = GetSimulationModel(j); |
69e0f089 | 857 | if (simUpg && int(simUpg->GetUniqueID())==sType) break; |
c92b1537 | 858 | else simUpg = 0; |
859 | } | |
860 | // | |
861 | if (!simUpg) { // need to create simulation for detector class sType | |
862 | switch (sType) | |
863 | { | |
864 | case AliITSUGeomTGeo::kDetTypePix : | |
865 | simUpg = new AliITSUSimulationPix(fSimuParam,fSensMap); | |
866 | break; | |
867 | default: AliFatal(Form("No %d detector type is defined",sType)); | |
868 | } | |
869 | } | |
870 | fSimModelLr[i] = simUpg; | |
871 | // | |
872 | // add segmentations used in the setup | |
873 | if (!(fSegModelLr[i]=(AliITSsegmentation*)arrSeg[dType])) {AliFatal(Form("Segmentation for DetType#%d is not found",dType)); exit(1);} | |
874 | // | |
875 | // add response function for the detectors of this layer | |
876 | if ( !(fResponseLr[i]=(AliParamList*)fSimuParam->FindRespFunParams(dType)) ) {AliFatal(Form("Response for DetType#%d is not found in SimuParams",dType)); exit(1);} | |
451f5018 | 877 | } |
c92b1537 | 878 | // delete non needed segmentations |
879 | for (int i=fNLayers;i--;) arrSeg.Remove(fSegModelLr[i]); | |
880 | arrSeg.Delete(); | |
451f5018 | 881 | // |
882 | InitArrays(); | |
883 | // | |
884 | fSimInitDone = kTRUE; | |
885 | // | |
886 | } |