1 /*************************************************************************
2 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
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 **************************************************************************/
18 //_________________________________________________________________________
19 // This is a TTask that makes SDigits out of Hits
20 // A Summable Digits is the sum of all hits originating
21 // from one in one tower of the EMCAL
22 // A threshold for assignment of the primary to SDigit is applied
23 // SDigits are written to TreeS, branch "EMCAL"
24 // AliEMCALSDigitizer with all current parameters is written
25 // to TreeS branch "AliEMCALSDigitizer".
26 // Both branches have the same title. If necessary one can produce
27 // another set of SDigits with different parameters. Two versions
28 // can be distunguished using titles of the branches.
30 // root [0] AliEMCALSDigitizer * s = new AliEMCALSDigitizer("galice.root")
31 // Warning in <TDatabasePDG::TDatabasePDG>: object already instantiated
32 // root [1] s->ExecuteTask()
33 // // Makes SDigitis for all events stored in galice.root
34 // root [2] s->SetPedestalParameter(0.001)
35 // // One can change parameters of digitization
36 // root [3] s->SetSDigitsBranch("Redestal 0.001")
37 // // and write them into the new branch
38 // root [4] s->ExeciteTask("deb all tim")
39 // // available parameters:
40 // deb - print # of produced SDigitis
41 // deb all - print # and list of produced SDigits
42 // tim - print benchmarking information
44 //*-- Author : Sahal Yacoob (LBL)
45 // based on : AliPHOSSDigitzer
47 // August 2002 Yves Schutz: clone PHOS as closely as possible and intoduction
48 // of new IO (à la PHOS)
49 //////////////////////////////////////////////////////////////////////////////
51 // --- ROOT system ---
52 #include "TBenchmark.h"
55 #include "Riostream.h"
56 //#include "TObjectTable.h"
58 // --- Standard library ---
61 // --- AliRoot header files ---
63 #include "AliRunLoader.h"
65 #include "AliEMCALDigit.h"
66 #include "AliEMCALLoader.h"
67 #include "AliEMCALHit.h"
68 #include "AliEMCALSDigitizer.h"
69 #include "AliEMCALGeometry.h"
70 #include "AliEMCALJetMicroDst.h"
72 ClassImp(AliEMCALSDigitizer)
74 //____________________________________________________________________________
75 AliEMCALSDigitizer::AliEMCALSDigitizer():TTask("","")
78 fFirstEvent = fLastEvent = fControlHists = 0;
79 fDefaultInit = kTRUE ;
83 //____________________________________________________________________________
84 AliEMCALSDigitizer::AliEMCALSDigitizer(const char * alirunFileName,
85 const char * eventFolderName):
86 TTask("EMCAL"+AliConfig::Instance()->GetSDigitizerTaskName(), alirunFileName),
87 fEventFolderName(eventFolderName)
90 fFirstEvent = fLastEvent = fControlHists = 0 ; // runs one event by defaut
93 fDefaultInit = kFALSE ;
98 //____________________________________________________________________________
99 AliEMCALSDigitizer::AliEMCALSDigitizer(const AliEMCALSDigitizer & sd) : TTask(sd) {
102 fFirstEvent = sd.fFirstEvent ;
103 fLastEvent = sd.fLastEvent ;
106 fECPrimThreshold = sd.fECPrimThreshold ;
107 fSDigitsInRun = sd.fSDigitsInRun ;
108 SetName(sd.GetName()) ;
109 SetTitle(sd.GetTitle()) ;
110 fEventFolderName = sd.fEventFolderName;
114 //____________________________________________________________________________
115 AliEMCALSDigitizer::~AliEMCALSDigitizer() {
116 AliLoader *emcalLoader=0;
117 if ((emcalLoader = AliRunLoader::GetRunLoader()->GetDetectorLoader("EMCAL")))
118 emcalLoader->CleanSDigitizer();
121 //____________________________________________________________________________
122 void AliEMCALSDigitizer::Init(){
123 // Initialization: open root-file, allocate arrays for hits and sdigits,
124 // attach task SDigitizer to the list of EMCAL tasks
126 // Initialization can not be done in the default constructor
127 //============================================================= YS
128 // The initialisation is now done by the getter
132 AliEMCALLoader *emcalLoader = dynamic_cast<AliEMCALLoader*>(AliRunLoader::GetRunLoader()->GetDetectorLoader("EMCAL"));
134 if ( emcalLoader == 0 ) {
135 Fatal("Init", "Could not obtain the AliEMCALLoader");
139 emcalLoader->PostSDigitizer(this);
140 emcalLoader->GetSDigitsDataLoader()->GetBaseTaskLoader()->SetDoNotReload(kTRUE);
144 //____________________________________________________________________________
145 void AliEMCALSDigitizer::InitParameters()
147 const AliEMCALGeometry * geom = AliEMCALGeometry::GetInstance();
148 if (geom->GetSampling() == 0.) {
149 Fatal("InitParameters", "Sampling factor not set !") ;
151 // Initializes parameters
154 fSampling = geom->GetSampling();
156 // threshold for deposit energy of hit
157 fECPrimThreshold = 0.; // 24-nov-04 - was 1.e-6;
160 //____________________________________________________________________________
161 void AliEMCALSDigitizer::Exec(Option_t *option)
163 // Collects all hit of the same tower into digits
164 TString o(option); o.ToUpper();
165 if (strstr(option, "print") ) {
170 if(strstr(option,"tim"))
171 gBenchmark->Start("EMCALSDigitizer");
173 AliRunLoader *rl = AliRunLoader::GetRunLoader();
174 AliEMCALLoader *emcalLoader = dynamic_cast<AliEMCALLoader*>(rl->GetDetectorLoader("EMCAL"));
176 //switch off reloading of this task while getting event
177 if (!fInit) { // to prevent overwrite existing file
178 AliError( Form("Give a version name different from %s", fEventFolderName.Data()) ) ;
182 if (fLastEvent == -1)
183 fLastEvent = rl->GetNumberOfEvents() - 1 ;
185 fLastEvent = TMath::Min(fLastEvent, rl->GetNumberOfEvents()-1);
187 Int_t nEvents = fLastEvent - fFirstEvent + 1;
190 Float_t energy=0.; // de * fSampling - 23-nov-04
191 rl->LoadKinematics();
192 rl->LoadHits("EMCAL");
194 for (ievent = fFirstEvent; ievent <= fLastEvent; ievent++) {
195 rl->GetEvent(ievent);
196 TTree * treeS = emcalLoader->TreeS();
198 emcalLoader->MakeSDigitsContainer();
199 treeS = emcalLoader->TreeS();
201 TClonesArray * hits = emcalLoader->Hits() ;
202 TClonesArray * sdigits = emcalLoader->SDigits() ;
205 //Now make SDigits from hits, for EMCAL it is the same, so just copy
206 Int_t nPrim = static_cast<Int_t>((emcalLoader->TreeH())->GetEntries()) ;
207 // This is not true: there is only one list of hits (MvL jan 2006)
208 // Attention nPrim is the number of primaries tracked by Geant
209 // and this number could be different to the number of Primaries in TreeK;
211 for ( iprim = 0 ; iprim < nPrim ; iprim++ ) {
212 //=========== Get the EMCAL branch from Hits Tree for the Primary iprim
213 rl->Stack()->Particle(iprim) ;
215 AliEMCALGeometry *geom = AliEMCALGeometry::GetInstance();
216 for ( i = 0 ; i < hits->GetEntries() ; i++ ) {
217 AliEMCALHit * hit = dynamic_cast<AliEMCALHit*>(hits->At(i)) ;
218 AliEMCALDigit * curSDigit = 0 ;
219 AliEMCALDigit * sdigit = 0 ;
220 Bool_t newsdigit = kTRUE;
222 // hit->GetId() - Absolute Id number EMCAL segment
223 if(geom->CheckAbsCellId(hit->GetId())) { // was IsInECA(hit->GetId())
224 energy = hit->GetEnergy() * fSampling; // 23-nov-04
225 if(energy > fECPrimThreshold )
226 // Assign primary number only if deposited energy is significant
227 curSDigit = new AliEMCALDigit( hit->GetPrimary(),
228 hit->GetIparent(), hit->GetId(),
229 Digitize(energy), hit->GetTime() ) ;
231 curSDigit = new AliEMCALDigit( -1 ,
234 Digitize(energy), hit->GetTime() ) ;
236 Warning("Exec"," abs id %i is bad \n", hit->GetId());
242 for(Int_t check= 0; check < nSdigits ; check++) {
243 sdigit = dynamic_cast<AliEMCALDigit *>(sdigits->At(check)) ;
245 if( sdigit->GetId() == curSDigit->GetId()) { // Are we in the same ECAL tower ?
246 *sdigit = *sdigit + *curSDigit;
252 new((*sdigits)[nSdigits]) AliEMCALDigit(*curSDigit);
256 } // loop over all hits (hit = deposited energy/entering particle)
260 nSdigits = sdigits->GetEntriesFast() ;
261 fSDigitsInRun += nSdigits ;
263 Int_t nPrimarymax = -1 ;
265 Double_t e=0.,esum=0.;
266 sv::FillH1(fHists, 0, double(sdigits->GetEntriesFast()));
267 for (i = 0 ; i < sdigits->GetEntriesFast() ; i++) {
268 AliEMCALDigit * sdigit = dynamic_cast<AliEMCALDigit *>(sdigits->At(i)) ;
269 sdigit->SetIndexInList(i) ;
271 sv::FillH1(fHists, 2, double(sdigit->GetAmp()));
272 e = double(Calibrate(sdigit->GetAmp()));
274 sv::FillH1(fHists, 3, e);
275 sv::FillH1(fHists, 4, double(sdigit->GetId()));
277 if(esum>0.) sv::FillH1(fHists, 1, esum);
279 for (i = 0 ; i < sdigits->GetEntriesFast() ; i++) { // for what
280 if (((dynamic_cast<AliEMCALDigit *>(sdigits->At(i)))->GetNprimary()) > nPrimarymax)
281 nPrimarymax = ((dynamic_cast<AliEMCALDigit *>(sdigits->At(i)))->GetNprimary()) ;
286 Int_t bufferSize = 32000 ;
287 TBranch * sdigitsBranch = treeS->GetBranch("EMCAL");
289 sdigitsBranch->SetAddress(&sdigits);
291 treeS->Branch("EMCAL",&sdigits,bufferSize);
295 emcalLoader->WriteSDigits("OVERWRITE");
298 emcalLoader->WriteSDigitizer("OVERWRITE"); // why in event cycle ?
300 if(strstr(option,"deb"))
301 PrintSDigits(option) ;
306 emcalLoader->GetSDigitsDataLoader()->GetBaseTaskLoader()->SetDoNotReload(kTRUE);
308 if(strstr(option,"tim")){
309 gBenchmark->Stop("EMCALSDigitizer");
310 printf("\n Exec: took %f seconds for SDigitizing %f seconds per event\n",
311 gBenchmark->GetCpuTime("EMCALSDigitizer"), gBenchmark->GetCpuTime("EMCALSDigitizer")/nEvents ) ;
316 void AliEMCALSDigitizer::Print1(Option_t * option)
319 PrintSDigits(option);
322 //__________________________________________________________________
323 void AliEMCALSDigitizer::Print(Option_t *option) const
325 // Prints parameters of SDigitizer
326 printf("Print: \n------------------- %s -------------\n", GetName() ) ;
327 printf(" fInit %i\n", int(fInit));
328 printf(" fFirstEvent %i\n", fFirstEvent);
329 printf(" fLastEvent %i\n", fLastEvent);
330 printf(" Writing SDigits to branch with title %s\n", fEventFolderName.Data()) ;
331 printf(" with digitization parameters A = %f\n", fA) ;
332 printf(" B = %f\n", fB) ;
333 printf(" Threshold for EC Primary assignment = %f\n", fECPrimThreshold) ;
334 printf(" Sampling = %f\n", fSampling);
335 printf("---------------------------------------------------\n") ;
338 //__________________________________________________________________
339 Bool_t AliEMCALSDigitizer::operator==( AliEMCALSDigitizer const &sd )const
342 // SDititizers are equal if their pedestal, slope and threshold are equal
343 if( (fA==sd.fA)&&(fB==sd.fB)&&
344 (fECPrimThreshold==sd.fECPrimThreshold))
350 //__________________________________________________________________
351 void AliEMCALSDigitizer::PrintSDigits(Option_t * option)
353 //Prints list of digits produced at the current pass of AliEMCALDigitizer
356 // AliEMCALGetter * gime = AliEMCALGetter::Instance() ;
357 AliEMCALLoader *rl = dynamic_cast<AliEMCALLoader*>(AliRunLoader::GetRunLoader()->GetDetectorLoader("EMCAL"));
358 const TClonesArray * sdigits = rl->SDigits() ;
361 printf("event %i", rl->GetRunLoader()->GetEventNumber());
362 printf(" Number of entries in SDigits list %i", sdigits->GetEntriesFast());
363 if(strstr(option,"all")||strstr(option,"EMC")){
366 AliEMCALDigit * digit;
367 printf("\n Id Amplitude Time Index Nprim: Primaries list \n") ;
369 char * tempo = new char[8192];
370 for (index = 0 ; index < sdigits->GetEntries() ; index++) {
371 digit = dynamic_cast<AliEMCALDigit *>( sdigits->At(index) ) ;
372 sprintf(tempo, "\n%6d %8d %6.5e %4d %2d :",
373 digit->GetId(), digit->GetAmp(), digit->GetTime(), digit->GetIndexInList(), digit->GetNprimary()) ;
375 isum += digit->GetAmp();
378 for (iprimary=0; iprimary<digit->GetNprimary(); iprimary++) {
379 sprintf(tempo, "%d ",digit->GetPrimary(iprimary+1) ) ;
384 printf("\n** Sum %i : %10.3f GeV/c **\n ", isum, double(isum)*1.e-6);
388 //____________________________________________________________________________
389 void AliEMCALSDigitizer::Unload() const
391 // Unload Hits and SDigits from the folder
392 AliEMCALLoader *rl = dynamic_cast<AliEMCALLoader*>(AliRunLoader::GetRunLoader()->GetDetectorLoader("EMCAL"));
394 rl->UnloadSDigits() ;
397 void AliEMCALSDigitizer::Browse(TBrowser* b)
399 if(fHists) b->Add(fHists);
403 TList *AliEMCALSDigitizer::BookControlHists(int var)
406 const AliEMCALGeometry *geom = AliEMCALGeometry::GetInstance() ;
408 new TH1F("HSDigiN", "#EMCAL sdigits ", 1001, -0.5, 1000.5);
409 new TH1F("HSDigiSumEnergy","Sum.EMCAL energy", 1000, 0.0, 100.);
410 new TH1F("HSDigiAmp", "EMCAL sdigits amplitude", 1000, 0., 2.e+9);
411 new TH1F("HSDigiEnergy","EMCAL cell energy", 1000, 0.0, 100.);
412 new TH1F("HSDigiAbsId","EMCAL absID for sdigits",
413 geom->GetNCells(), 0.5, Double_t(geom->GetNCells())+0.5);
415 fHists = sv::MoveHistsToList("EmcalSDigiControlHists", kFALSE);
420 void AliEMCALSDigitizer::SaveHists(const char* name, Bool_t kSingleKey, const char* opt)
422 sv::SaveListOfHists(fHists, name, kSingleKey, opt);