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990119d6 | 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 | ||
c093f031 | 16 | |
990119d6 | 17 | /* $Id$ */ |
18 | ||
19 | //_________________________________________________________________________ | |
7acf6008 | 20 | // This is a TTask that makes SDigits out of Hits |
7b7c1533 | 21 | // The name of the TTask is also the title of the branch that will contain |
22 | // the created SDigits | |
23 | // The title of the TTAsk is the name of the file that contains the hits from | |
24 | // which the SDigits are created | |
7acf6008 | 25 | // A Summable Digits is the sum of all hits originating |
26 | // from one primary in one active cell | |
27 | // A threshold for assignment of the primary to SDigit is applied | |
28 | // SDigits are written to TreeS, branch "PHOS" | |
29 | // AliPHOSSDigitizer with all current parameters is written | |
30 | // to TreeS branch "AliPHOSSDigitizer". | |
f035f6ce | 31 | // Both branches have the same title. If necessary one can produce |
32 | // another set of SDigits with different parameters. Two versions | |
33 | // can be distunguished using titles of the branches. | |
34 | // User case: | |
a4e98857 | 35 | // root [0] AliPHOSSDigitizer * s = new AliPHOSSDigitizer("galice.root") |
36 | // Warning in <TDatabasePDG::TDatabasePDG>: object already instantiated | |
37 | // root [1] s->ExecuteTask() | |
f035f6ce | 38 | // // Makes SDigitis for all events stored in galice.root |
a4e98857 | 39 | // root [2] s->SetPedestalParameter(0.001) |
f035f6ce | 40 | // // One can change parameters of digitization |
3de072dc | 41 | // root [3] s->SetSDigitsBranch("Pedestal 0.001") |
f035f6ce | 42 | // // and write them into the new branch |
3de072dc | 43 | // root [4] s->ExecuteTask("deb all tim") |
f035f6ce | 44 | // // available parameters: |
45 | // deb - print # of produced SDigitis | |
46 | // deb all - print # and list of produced SDigits | |
47 | // tim - print benchmarking information | |
990119d6 | 48 | // |
49 | //*-- Author : Dmitri Peressounko (SUBATECH & KI) | |
50 | ////////////////////////////////////////////////////////////////////////////// | |
51 | ||
f035f6ce | 52 | |
990119d6 | 53 | // --- ROOT system --- |
7acf6008 | 54 | #include "TBenchmark.h" |
9d6866ec | 55 | //#include "TObjectTable.h" |
106fc2fa | 56 | |
990119d6 | 57 | // --- Standard library --- |
58 | ||
59 | // --- AliRoot header files --- | |
9d6866ec | 60 | #include "AliLog.h" |
e957fea8 | 61 | #include "AliPHOSGeometry.h" |
990119d6 | 62 | #include "AliPHOSDigit.h" |
7b7c1533 | 63 | #include "AliPHOSGetter.h" |
990119d6 | 64 | #include "AliPHOSHit.h" |
990119d6 | 65 | #include "AliPHOSSDigitizer.h" |
9d6866ec | 66 | //#include "AliMemoryWatcher.h" |
990119d6 | 67 | |
990119d6 | 68 | ClassImp(AliPHOSSDigitizer) |
69 | ||
70 | ||
71 | //____________________________________________________________________________ | |
88cb7938 | 72 | AliPHOSSDigitizer::AliPHOSSDigitizer():TTask("","") |
548f0134 | 73 | { |
990119d6 | 74 | // ctor |
d7d3b67b | 75 | fFirstEvent = fLastEvent = 0 ; |
92f521a9 | 76 | fDefaultInit = kTRUE ; |
990119d6 | 77 | } |
7acf6008 | 78 | |
990119d6 | 79 | //____________________________________________________________________________ |
e191bb57 | 80 | AliPHOSSDigitizer::AliPHOSSDigitizer(const char * alirunFileName, |
81 | const char * eventFolderName): | |
82 | TTask("PHOS"+AliConfig::Instance()->GetSDigitizerTaskName(), alirunFileName), | |
88cb7938 | 83 | fEventFolderName(eventFolderName) |
990119d6 | 84 | { |
88cb7938 | 85 | |
990119d6 | 86 | // ctor |
d7d3b67b | 87 | fFirstEvent = fLastEvent = 0 ; // runs one event by defaut |
8d0f3f77 | 88 | InitParameters() ; |
2bd5457f | 89 | Init(); |
92f521a9 | 90 | fDefaultInit = kFALSE ; |
990119d6 | 91 | } |
92 | ||
bdc147a9 | 93 | //____________________________________________________________________________ |
a8c47ab6 | 94 | AliPHOSSDigitizer::AliPHOSSDigitizer(const AliPHOSSDigitizer & sd) |
95 | : TTask(sd) | |
96 | { | |
bdc147a9 | 97 | //cpy ctor |
98 | ||
d7d3b67b | 99 | fFirstEvent = sd.fFirstEvent ; |
100 | fLastEvent = sd.fLastEvent ; | |
bdc147a9 | 101 | fA = sd.fA ; |
102 | fB = sd.fB ; | |
103 | fPrimThreshold = sd.fPrimThreshold ; | |
104 | fSDigitsInRun = sd.fSDigitsInRun ; | |
88cb7938 | 105 | SetName(sd.GetName()) ; |
106 | SetTitle(sd.GetTitle()) ; | |
107 | fEventFolderName = sd.fEventFolderName; | |
bdc147a9 | 108 | } |
109 | ||
7b7c1533 | 110 | |
7acf6008 | 111 | //____________________________________________________________________________ |
797e311f | 112 | AliPHOSSDigitizer::~AliPHOSSDigitizer() { |
113 | //dtor | |
9d6866ec | 114 | // AliPHOSGetter * gime = |
115 | // AliPHOSGetter::Instance(GetTitle(),fEventFolderName.Data()); | |
797e311f | 116 | AliPHOSGetter * gime = |
9d6866ec | 117 | AliPHOSGetter::Instance(); |
797e311f | 118 | gime->PhosLoader()->CleanSDigitizer(); |
119 | } | |
120 | //____________________________________________________________________________ | |
a4e98857 | 121 | void AliPHOSSDigitizer::Init() |
122 | { | |
88cb7938 | 123 | // Uses the getter to access the required files |
7b7c1533 | 124 | |
88cb7938 | 125 | fInit = kTRUE ; |
126 | ||
127 | AliPHOSGetter * gime = AliPHOSGetter::Instance(GetTitle(), fEventFolderName.Data()); | |
7b7c1533 | 128 | if ( gime == 0 ) { |
88cb7938 | 129 | Fatal("Init" ,"Could not obtain the Getter object for file %s and event %s !", GetTitle(), fEventFolderName.Data()) ; |
7b7c1533 | 130 | return ; |
131 | } | |
132 | ||
88cb7938 | 133 | TString opt("SDigits") ; |
134 | if(gime->VersionExists(opt) ) { | |
135 | Error( "Init", "Give a version name different from %s", fEventFolderName.Data() ) ; | |
136 | fInit = kFALSE ; | |
fbf811ec | 137 | } |
138 | ||
88cb7938 | 139 | gime->PostSDigitizer(this); |
140 | gime->PhosLoader()->GetSDigitsDataLoader()->GetBaseTaskLoader()->SetDoNotReload(kTRUE); | |
9d6866ec | 141 | |
7acf6008 | 142 | } |
7b7c1533 | 143 | |
8d0f3f77 | 144 | //____________________________________________________________________________ |
145 | void AliPHOSSDigitizer::InitParameters() | |
146 | { | |
88cb7938 | 147 | // initializes the parameters for digitization |
8d0f3f77 | 148 | fA = 0; |
149 | fB = 10000000.; | |
150 | fPrimThreshold = 0.01 ; | |
151 | fSDigitsInRun = 0 ; | |
8d0f3f77 | 152 | } |
153 | ||
990119d6 | 154 | //____________________________________________________________________________ |
a4e98857 | 155 | void AliPHOSSDigitizer::Exec(Option_t *option) |
156 | { | |
212d1c0f | 157 | // Steering method to produce summable digits for events |
158 | // in the range from fFirstEvent to fLastEvent. | |
159 | // This range is optionally set by SetEventRange(). | |
160 | // if fLastEvent=-1 (by default), then process events until the end. | |
161 | // | |
162 | // Summable digit is a sum of all hits in the same active | |
163 | // volume into digit | |
7b7c1533 | 164 | |
165 | if (strstr(option, "print") ) { | |
88cb7938 | 166 | Print() ; |
7b7c1533 | 167 | return ; |
168 | } | |
990119d6 | 169 | |
7acf6008 | 170 | if(strstr(option,"tim")) |
171 | gBenchmark->Start("PHOSSDigitizer"); | |
fbf811ec | 172 | |
9d6866ec | 173 | AliPHOSGetter * gime = AliPHOSGetter::Instance() ; |
88cb7938 | 174 | |
175 | //switch off reloading of this task while getting event | |
176 | if (!fInit) { // to prevent overwrite existing file | |
9d6866ec | 177 | AliError( Form("Give a version name different from %s", fEventFolderName.Data()) ) ; |
88cb7938 | 178 | return ; |
179 | } | |
180 | ||
212d1c0f | 181 | if (fLastEvent == -1) |
182 | fLastEvent = gime->MaxEvent() - 1 ; | |
183 | else | |
d7d3b67b | 184 | fLastEvent = TMath::Min(fFirstEvent, gime->MaxEvent()); // only ine event at the time |
212d1c0f | 185 | Int_t nEvents = fLastEvent - fFirstEvent + 1; |
186 | ||
990119d6 | 187 | Int_t ievent ; |
9d6866ec | 188 | |
189 | //AliMemoryWatcher memwatcher; | |
190 | ||
191 | for (ievent = fFirstEvent; ievent <= fLastEvent; ievent++) { | |
192 | gime->Event(ievent,"H") ; | |
88cb7938 | 193 | TTree * treeS = gime->TreeS(); |
194 | TClonesArray * hits = gime->Hits() ; | |
195 | TClonesArray * sdigits = gime->SDigits() ; | |
7b7c1533 | 196 | sdigits->Clear(); |
990119d6 | 197 | Int_t nSdigits = 0 ; |
7b7c1533 | 198 | //Now make SDigits from hits, for PHOS it is the same, so just copy |
88cb7938 | 199 | Int_t nPrim = static_cast<Int_t>((gime->TreeH())->GetEntries()) ; |
fbf811ec | 200 | // Attention nPrim is the number of primaries tracked by Geant |
201 | // and this number could be different to the number of Primaries in TreeK; | |
202 | Int_t iprim ; | |
88cb7938 | 203 | |
fbf811ec | 204 | for (iprim = 0 ; iprim < nPrim ; iprim ++) { |
3962b6a1 | 205 | //=========== Get the PHOS branch from Hits Tree for the Primary iprim |
206 | gime->Track(iprim) ; | |
9d6866ec | 207 | Int_t i; |
208 | for ( i = 0 ; i < hits->GetEntries() ; i++ ) { | |
209 | AliPHOSHit * hit = dynamic_cast<AliPHOSHit *>(hits->At(i)) ; | |
210 | // Assign primary number only if contribution is significant | |
9688c1dd | 211 | |
990119d6 | 212 | if( hit->GetEnergy() > fPrimThreshold) |
9688c1dd | 213 | new((*sdigits)[nSdigits]) AliPHOSDigit(hit->GetPrimary(),hit->GetId(), |
fbf811ec | 214 | Digitize(hit->GetEnergy()), hit->GetTime()) ; |
990119d6 | 215 | else |
9688c1dd | 216 | new((*sdigits)[nSdigits]) AliPHOSDigit( -1 , hit->GetId(), |
fbf811ec | 217 | Digitize(hit->GetEnergy()), hit->GetTime()) ; |
9688c1dd | 218 | nSdigits++ ; |
990119d6 | 219 | |
9d6866ec | 220 | } |
88cb7938 | 221 | |
3962b6a1 | 222 | } // loop over iprim |
88cb7938 | 223 | |
7b7c1533 | 224 | sdigits->Sort() ; |
88cb7938 | 225 | |
7b7c1533 | 226 | nSdigits = sdigits->GetEntriesFast() ; |
88cb7938 | 227 | |
69866bef | 228 | fSDigitsInRun += nSdigits ; |
7b7c1533 | 229 | sdigits->Expand(nSdigits) ; |
88cb7938 | 230 | |
3962b6a1 | 231 | Int_t i ; |
990119d6 | 232 | for (i = 0 ; i < nSdigits ; i++) { |
7a9d98f9 | 233 | AliPHOSDigit * digit = dynamic_cast<AliPHOSDigit *>(sdigits->At(i)) ; |
990119d6 | 234 | digit->SetIndexInList(i) ; |
235 | } | |
3962b6a1 | 236 | |
fbf811ec | 237 | //Now write SDigits |
fbf811ec | 238 | |
88cb7938 | 239 | |
7acf6008 | 240 | //First list of sdigits |
88cb7938 | 241 | |
fbf811ec | 242 | Int_t bufferSize = 32000 ; |
88cb7938 | 243 | TBranch * sdigitsBranch = treeS->Branch("PHOS",&sdigits,bufferSize); |
244 | ||
fbf811ec | 245 | sdigitsBranch->Fill() ; |
fbf811ec | 246 | |
88cb7938 | 247 | gime->WriteSDigits("OVERWRITE"); |
248 | ||
249 | //Next - SDigitizer | |
250 | ||
251 | gime->WriteSDigitizer("OVERWRITE"); | |
9d6866ec | 252 | //gObjectTable->Print() ; |
253 | ||
7acf6008 | 254 | if(strstr(option,"deb")) |
255 | PrintSDigits(option) ; | |
9d6866ec | 256 | |
257 | //memwatcher.Watch(ievent); | |
258 | }// event loop | |
fbf811ec | 259 | |
88cb7938 | 260 | Unload(); |
261 | ||
9d6866ec | 262 | // gime->PhosLoader()->GetSDigitsDataLoader()->GetBaseTaskLoader()->SetDoNotReload(kTRUE); |
88cb7938 | 263 | |
7acf6008 | 264 | if(strstr(option,"tim")){ |
265 | gBenchmark->Stop("PHOSSDigitizer"); | |
21cd0c07 | 266 | Info("Exec"," took %f seconds for SDigitizing %f seconds per event", |
212d1c0f | 267 | gBenchmark->GetCpuTime("PHOSSDigitizer"), gBenchmark->GetCpuTime("PHOSSDigitizer")/nEvents) ; |
7acf6008 | 268 | } |
9d6866ec | 269 | |
270 | //TFile f("out.root","RECREATE"); | |
271 | //memwatcher.WriteToFile(); | |
272 | //f.Close(); | |
990119d6 | 273 | } |
106fc2fa | 274 | |
990119d6 | 275 | //__________________________________________________________________ |
88cb7938 | 276 | void AliPHOSSDigitizer::Print()const |
a4e98857 | 277 | { |
278 | // Prints parameters of SDigitizer | |
88cb7938 | 279 | Info("Print", "\n------------------- %s -------------", GetName() ) ; |
280 | printf(" Writing SDigits to branch with title %s\n", fEventFolderName.Data()) ; | |
281 | printf(" with digitization parameters A = %f\n", fA) ; | |
282 | printf(" B = %f\n", fB) ; | |
283 | printf(" Threshold for Primary assignment= %f\n", fPrimThreshold) ; | |
284 | printf("---------------------------------------------------\n") ; | |
7acf6008 | 285 | |
990119d6 | 286 | } |
548f0134 | 287 | |
990119d6 | 288 | //__________________________________________________________________ |
a4e98857 | 289 | Bool_t AliPHOSSDigitizer::operator==( AliPHOSSDigitizer const &sd )const |
290 | { | |
3de072dc | 291 | // Equal operator. |
292 | // SDititizers are equal if their pedestal, slope and threshold are equal | |
293 | ||
990119d6 | 294 | if( (fA==sd.fA)&&(fB==sd.fB)&&(fPrimThreshold==sd.fPrimThreshold)) |
295 | return kTRUE ; | |
296 | else | |
297 | return kFALSE ; | |
298 | } | |
548f0134 | 299 | |
a6eedfad | 300 | //__________________________________________________________________ |
a4e98857 | 301 | void AliPHOSSDigitizer::PrintSDigits(Option_t * option) |
302 | { | |
303 | // Prints list of digits produced in the current pass of AliPHOSDigitizer | |
7b7c1533 | 304 | |
a6eedfad | 305 | |
88cb7938 | 306 | AliPHOSGetter * gime = AliPHOSGetter::Instance() ; |
307 | const TClonesArray * sdigits = gime->SDigits() ; | |
21cd0c07 | 308 | |
71dfb0d8 | 309 | Info( "\nPrintSDigits", "event # %d %d sdigits", gAlice->GetEvNumber(), sdigits->GetEntriesFast() ) ; |
310 | ||
a6eedfad | 311 | if(strstr(option,"all")||strstr(option,"EMC")){ |
7acf6008 | 312 | |
313 | //loop over digits | |
314 | AliPHOSDigit * digit; | |
71dfb0d8 | 315 | printf("\nEMC sdigits\n") ; |
a6eedfad | 316 | Int_t maxEmc = gime->PHOSGeometry()->GetNModules()*gime->PHOSGeometry()->GetNCristalsInModule() ; |
7acf6008 | 317 | Int_t index ; |
a6eedfad | 318 | for (index = 0 ; (index < sdigits->GetEntriesFast()) && |
fbf811ec | 319 | ((dynamic_cast<AliPHOSDigit *> (sdigits->At(index)))->GetId() <= maxEmc) ; index++) { |
320 | digit = dynamic_cast<AliPHOSDigit *>( sdigits->At(index) ) ; | |
71dfb0d8 | 321 | // if(digit->GetNprimary() == 0) |
322 | // continue; | |
d7d3b67b | 323 | printf("%6d %8d %6.5e %4d %2d :\n", |
71dfb0d8 | 324 | digit->GetId(), digit->GetAmp(), digit->GetTime(), digit->GetIndexInList(), digit->GetNprimary()) ; |
7acf6008 | 325 | Int_t iprimary; |
11f9c5ff | 326 | for (iprimary=0; iprimary<digit->GetNprimary(); iprimary++) { |
71dfb0d8 | 327 | printf("%d ",digit->GetPrimary(iprimary+1) ) ; |
11f9c5ff | 328 | } |
a6eedfad | 329 | } |
a6eedfad | 330 | } |
331 | ||
332 | if(strstr(option,"all")||strstr(option,"CPV")){ | |
7acf6008 | 333 | |
a6eedfad | 334 | //loop over CPV digits |
335 | AliPHOSDigit * digit; | |
71dfb0d8 | 336 | printf("\nCPV sdigits\n") ; |
a6eedfad | 337 | Int_t maxEmc = gime->PHOSGeometry()->GetNModules()*gime->PHOSGeometry()->GetNCristalsInModule() ; |
338 | Int_t index ; | |
339 | for (index = 0 ; index < sdigits->GetEntriesFast(); index++) { | |
fbf811ec | 340 | digit = dynamic_cast<AliPHOSDigit *>( sdigits->At(index) ) ; |
a6eedfad | 341 | if(digit->GetId() > maxEmc){ |
71dfb0d8 | 342 | printf("\n%6d %8d %4d %2d :", |
11f9c5ff | 343 | digit->GetId(), digit->GetAmp(), digit->GetIndexInList(), digit->GetNprimary()) ; |
a6eedfad | 344 | Int_t iprimary; |
21cd0c07 | 345 | for (iprimary=0; iprimary<digit->GetNprimary(); iprimary++) { |
71dfb0d8 | 346 | printf("%d ",digit->GetPrimary(iprimary+1) ) ; |
21cd0c07 | 347 | } |
a6eedfad | 348 | } |
349 | } | |
7acf6008 | 350 | } |
351 | } | |
7b7c1533 | 352 | |
353 | //____________________________________________________________________________ | |
88cb7938 | 354 | void AliPHOSSDigitizer::Unload() const |
7b7c1533 | 355 | { |
e957fea8 | 356 | // Unloads the objects from the folder |
88cb7938 | 357 | AliPHOSGetter * gime = AliPHOSGetter::Instance() ; |
358 | AliPHOSLoader * loader = gime->PhosLoader() ; | |
359 | loader->UnloadHits() ; | |
360 | loader->UnloadSDigits() ; | |
7b7c1533 | 361 | } |