Removing the tasks from the digitization (Ruben)
[u/mrichter/AliRoot.git] / EMCAL / AliEMCAL.cxx
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2012850d 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/* $Id$ */
2012850d 17//_________________________________________________________________________
18// Base Class for EMCAL description:
ffa6d63b 19// This class contains material definitions
20// for the EMCAL - It does not place the detector in Alice
2012850d 21//*-- Author: Yves Schutz (SUBATECH)
b13bbe81 22//
23//*-- Additional Contributions: Sahal Yacoob (LBNL/UCT)
3d841a9f 24// : Alexei Pavlinov (WSU)
b13bbe81 25//
2012850d 26//////////////////////////////////////////////////////////////////////////////
27
2012850d 28// --- ROOT system ---
b13bbe81 29class TFile;
88cb7938 30#include <TFolder.h>
f7a1cc68 31#include <TGeoGlobalMagField.h>
32#include <TGraph.h>
046ae904 33#include <TH1F.h>
046ae904 34#include <TRandom.h>
f7a1cc68 35#include <TTree.h>
36#include <TVirtualMC.h>
2012850d 37
05a92d59 38// --- Standard library ---
2012850d 39
05a92d59 40// --- AliRoot header files ---
2012850d 41#include "AliMagF.h"
050f9171 42#include "AliLog.h"
88cb7938 43#include "AliEMCAL.h"
85a5290f 44#include "AliRun.h"
050f9171 45#include "AliRunLoader.h"
46#include "AliCDBManager.h"
5dee926e 47#include "AliEMCALLoader.h"
85a5290f 48#include "AliEMCALSDigitizer.h"
49#include "AliEMCALDigitizer.h"
5dee926e 50#include "AliEMCALDigit.h"
ee299369 51#include "AliEMCALRawUtils.h"
3294dade 52#include "AliCDBManager.h"
53#include "AliCDBEntry.h"
6cc75819 54#include "AliEMCALRawUtils.h"
55#include "AliRawReader.h"
56#include "AliEMCALTriggerData.h"
57#include "AliEMCALRecParam.h"
58#include "AliRawEventHeaderBase.h"
3294dade 59
2012850d 60ClassImp(AliEMCAL)
4884333f 61
6cc75819 62//for embedding
63AliEMCALRawUtils* AliEMCAL::fgRawUtils = 0; // EMCAL raw utilities class
64
2012850d 65//____________________________________________________________________________
18a21c7c 66AliEMCAL::AliEMCAL()
67 : AliDetector(),
68 fBirkC0(0),
69 fBirkC1(0.),
70 fBirkC2(0.),
c2ef87c2 71 fGeometry(0),
6cc75819 72 fCheckRunNumberAndGeoVersion(kTRUE),
73 fTriggerData(0x0)
2012850d 74{
05a92d59 75 // Default ctor
046ae904 76 fName = "EMCAL" ;
7235aed2 77 InitConstants();
6cc75819 78
23ef18ac 79 // Should call AliEMCALGeometry::GetInstance(EMCAL->GetTitle(),"") for getting EMCAL geometry
2012850d 80}
05a92d59 81
2012850d 82//____________________________________________________________________________
18a21c7c 83AliEMCAL::AliEMCAL(const char* name, const char* title)
84 : AliDetector(name,title),
85 fBirkC0(0),
86 fBirkC1(0.),
87 fBirkC2(0.),
c2ef87c2 88 fGeometry(0),
6cc75819 89 fCheckRunNumberAndGeoVersion(kTRUE),
90 fTriggerData(0x0)
05a92d59 91{
92 // ctor : title is used to identify the layout
7235aed2 93 InitConstants();
6cc75819 94
0a4cb131 95}
96
97//____________________________________________________________________________
05a92d59 98AliEMCAL::~AliEMCAL()
99{
14ce0a6e 100 //dtor
6cc75819 101 delete fgRawUtils;
102 delete fTriggerData;
2012850d 103}
104
105//____________________________________________________________________________
7235aed2 106void AliEMCAL::InitConstants()
0a4cb131 107{
108 //initialize EMCAL values
109 fBirkC0 = 1;
110 fBirkC1 = 0.013/1.032;
111 fBirkC2 = 9.6e-6/(1.032 * 1.032);
050f9171 112}
0a4cb131 113
b8a520ff 114//Not needed, modify $ALICE_ROOT/data/galice.cuts instead.
115//Load the modified one in the configuration file with SetTransPar
116// //____________________________________________________________________________
117// void AliEMCAL::DefineMediumParameters()
118// {
119// //
120// // EMCAL cuts (Geant3)
121// //
122// Int_t * idtmed = fIdtmed->GetArray() - 1599 ;
123// // --- Set decent energy thresholds for gamma and electron tracking
124
125// // Tracking threshold for photons and electrons in Lead
126// Float_t cutgam=10.e-5; // 100 kev;
127// Float_t cutele=10.e-5; // 100 kev;
128// TString ntmp(GetTitle());
129// ntmp.ToUpper();
130// if(ntmp.Contains("10KEV")) {
131// cutele = cutgam = 1.e-5;
132// } else if(ntmp.Contains("50KEV")) {
133// cutele = cutgam = 5.e-5;
134// } else if(ntmp.Contains("100KEV")) {
135// cutele = cutgam = 1.e-4;
136// } else if(ntmp.Contains("200KEV")) {
137// cutele = cutgam = 2.e-4;
138// } else if(ntmp.Contains("500KEV")) {
139// cutele = cutgam = 5.e-4;
140// }
141
142// gMC->Gstpar(idtmed[1600],"CUTGAM", cutgam);
143// gMC->Gstpar(idtmed[1600],"CUTELE", cutele); // 1MEV -> 0.1MEV; 15-aug-05
144// gMC->Gstpar(idtmed[1600],"BCUTE", cutgam); // BCUTE and BCUTM start from GUTGUM
145// gMC->Gstpar(idtmed[1600],"BCUTM", cutgam); // BCUTE and BCUTM start from GUTGUM
146// // --- Generate explicitly delta rays in Lead ---
147// gMC->Gstpar(idtmed[1600], "LOSS", 3) ;
148// gMC->Gstpar(idtmed[1600], "DRAY", 1) ;
149// gMC->Gstpar(idtmed[1600], "DCUTE", cutele) ;
150// gMC->Gstpar(idtmed[1600], "DCUTM", cutele) ;
151
152// // --- in aluminium parts ---
153// gMC->Gstpar(idtmed[1602],"CUTGAM", cutgam) ;
154// gMC->Gstpar(idtmed[1602],"CUTELE", cutele) ;
155// gMC->Gstpar(idtmed[1602],"BCUTE", cutgam); // BCUTE and BCUTM start from GUTGUM
156// gMC->Gstpar(idtmed[1602],"BCUTM", cutgam); // BCUTE and BCUTM start from GUTGUM
157// gMC->Gstpar(idtmed[1602], "LOSS",3.) ;
158// gMC->Gstpar(idtmed[1602], "DRAY",1.) ;
159// gMC->Gstpar(idtmed[1602], "DCUTE", cutele) ;
160// gMC->Gstpar(idtmed[1602], "DCUTM", cutele) ;
161
162// // --- and finally thresholds for photons and electrons in the scintillator ---
163// gMC->Gstpar(idtmed[1601],"CUTGAM", cutgam) ;
164// gMC->Gstpar(idtmed[1601],"CUTELE", cutele) ;// 1MEV -> 0.1MEV; 15-aug-05
165// gMC->Gstpar(idtmed[1601],"BCUTE", cutgam); // BCUTE and BCUTM start from GUTGUM
166// gMC->Gstpar(idtmed[1601],"BCUTM", cutgam); // BCUTE and BCUTM start from GUTGUM
167// gMC->Gstpar(idtmed[1601], "LOSS",3) ; // generate delta rays
168// gMC->Gstpar(idtmed[1601], "DRAY",1) ;
169// gMC->Gstpar(idtmed[1601], "DCUTE", cutele) ;
170// gMC->Gstpar(idtmed[1601], "DCUTM", cutele) ;
171
172// // S steel -
173// gMC->Gstpar(idtmed[1603],"CUTGAM", cutgam);
174// gMC->Gstpar(idtmed[1603],"CUTELE", cutele);
175// gMC->Gstpar(idtmed[1603],"BCUTE", cutgam); // BCUTE and BCUTM start from GUTGUM
176// gMC->Gstpar(idtmed[1603],"BCUTM", cutgam); // BCUTE and BCUTM start from GUTGUM
177// // --- Generate explicitly delta rays
178// gMC->Gstpar(idtmed[1603], "LOSS",3);
179// gMC->Gstpar(idtmed[1603], "DRAY",1);
180// gMC->Gstpar(idtmed[1603], "DCUTE", cutele) ;
181// gMC->Gstpar(idtmed[1603], "DCUTM", cutele) ;
182
183// AliEMCALGeometry* geom = GetGeometry();
184// if(geom->GetILOSS()>=0) {
185// for(int i=1600; i<=1603; i++) gMC->Gstpar(idtmed[i], "LOSS", geom->GetILOSS()) ;
186// }
187// if(geom->GetIHADR()>=0) {
188// for(int i=1600; i<=1603; i++) gMC->Gstpar(idtmed[i], "HADR", geom->GetIHADR()) ;
189// }
190// }
7235aed2 191
192//____________________________________________________________________________
f21fc003 193AliDigitizer* AliEMCAL::CreateDigitizer(AliDigitizationInput* digInput) const
7235aed2 194{
195 //create and return the digitizer
f21fc003 196 return new AliEMCALDigitizer(digInput);
7235aed2 197}
198
199//____________________________________________________________________________
200void AliEMCAL::CreateMaterials()
201{
202 // Definitions of materials to build EMCAL and associated tracking media.
203 // media number in idtmed are 1599 to 1698.
204 // --- Air ---
205 Float_t aAir[4]={12.0107,14.0067,15.9994,39.948};
206 Float_t zAir[4]={6.,7.,8.,18.};
207 Float_t wAir[4]={0.000124,0.755267,0.231781,0.012827};
208 Float_t dAir = 1.20479E-3;
209 AliMixture(0, "Air$", aAir, zAir, dAir, 4, wAir) ;
210
211 // --- Lead ---
212 AliMaterial(1, "Pb$", 207.2, 82, 11.35, 0.56, 0., 0, 0) ;
213
214
215 // --- The polysterene scintillator (CH) ---
216 Float_t aP[2] = {12.011, 1.00794} ;
217 Float_t zP[2] = {6.0, 1.0} ;
218 Float_t wP[2] = {1.0, 1.0} ;
219 Float_t dP = 1.032 ;
220
221 AliMixture(2, "Polystyrene$", aP, zP, dP, -2, wP) ;
222
223 // --- Aluminium ---
224 AliMaterial(3, "Al$", 26.98, 13., 2.7, 8.9, 999., 0, 0) ;
225 // --- Absorption length is ignored ^
226
227 // 25-aug-04 by PAI - see PMD/AliPMDv0.cxx for STEEL definition
228 Float_t asteel[4] = { 55.847,51.9961,58.6934,28.0855 };
229 Float_t zsteel[4] = { 26.,24.,28.,14. };
230 Float_t wsteel[4] = { .715,.18,.1,.005 };
231 AliMixture(4, "STAINLESS STEEL$", asteel, zsteel, 7.88, 4, wsteel);
232
3d841a9f 233 // Oct 26,2010 : Multipurpose Copy Paper UNV-21200), weiht 75 g/m**2.
234 // *Cellulose C6H10O5
235 // Component C A=12.01 Z=6. W=6./21.
236 // Component H A=1. Z=1. W=10./21.
237 // Component O A=16. Z=8. W=5./21.
238 Float_t apaper[3] = { 12.01, 1.0, 16.0};
fb3bd607 239 Float_t zpaper[3] = { 6.0, 1.0, 8.0};
3d841a9f 240 Float_t wpaper[3] = {6./21., 10./21., 5./21.};
241 AliMixture(5, "BondPaper$", apaper, zpaper, 0.75, 3, wpaper);
242
7235aed2 243 // DEFINITION OF THE TRACKING MEDIA
ce540969 244 // Look to the $ALICE_ROOT/data/galice.cuts for particular values
245 // of cuts.
246 // Don't forget to add a new tracking medium with non-default cuts
7235aed2 247
248 // for EMCAL: idtmed[1599->1698] equivalent to fIdtmed[0->100]
f7a1cc68 249 Int_t isxfld = ((AliMagF*)TGeoGlobalMagField::Instance()->GetField())->Integ() ;
250 Float_t sxmgmx = ((AliMagF*)TGeoGlobalMagField::Instance()->GetField())->Max() ;
7235aed2 251
252 // Air -> idtmed[1599]
253 AliMedium(0, "Air$", 0, 0,
254 isxfld, sxmgmx, 10.0, 1.0, 0.1, 0.1, 10.0, 0, 0) ;
255
256 // The Lead -> idtmed[1600]
257
258 AliMedium(1, "Lead$", 1, 0,
259 isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ;
260
261 // The scintillator of the CPV made of Polystyrene scintillator -> idtmed[1601]
ee299369 262 float deemax = 0.1; // maximum fractional energy loss in one step (0 < DEEMAX < deemax )
7235aed2 263 AliMedium(2, "Scintillator$", 2, 1,
264 isxfld, sxmgmx, 10.0, 0.001, deemax, 0.001, 0.001, 0, 0) ;
265
266 // Various Aluminium parts made of Al -> idtmed[1602]
267 AliMedium(3, "Al$", 3, 0,
268 isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.001, 0.001, 0, 0) ;
269
270 // 25-aug-04 by PAI : see PMD/AliPMDv0.cxx for STEEL definition -> idtmed[1603]
271 AliMedium(4, "S steel$", 4, 0,
3d841a9f 272 isxfld, sxmgmx, 10.0, 0.01, 0.1, 0.001, 0.001, 0, 0) ;
273
ce540969 274 // Oct 26,2010; Nov 24,2010 -> idtmed[1604]
275 deemax = 0.01;
3d841a9f 276 AliMedium(5, "Paper$", 5, 0,
ce540969 277 isxfld, sxmgmx, 10.0, deemax, 0.1, 0.001, 0.001, 0, 0) ;
7235aed2 278
89557f6d 279
ab37d09c 280 //set constants for Birk's Law implentation
281 fBirkC0 = 1;
282 fBirkC1 = 0.013/dP;
283 fBirkC2 = 9.6e-6/(dP * dP);
284
2012850d 285}
dde0a601 286
287//____________________________________________________________________________
288void AliEMCAL::Init()
b8a520ff 289{
290 // Init
291 //Not needed, modify $ALICE_ROOT/data/galice.cuts instead.
292 //Load the modified one in the configuration file with SetTransPar
293 //DefineMediumParameters();
dde0a601 294}
295
f51151a0 296//____________________________________________________________________________
ee299369 297void AliEMCAL::Digits2Raw() {
65bdc82f 298
299 static AliEMCALRawUtils rawUtils;
300 rawUtils.Digits2Raw();
301
2d5d9e60 302}
2d5d9e60 303//____________________________________________________________________________
8367ce9a 304void AliEMCAL::Hits2SDigits()
305{
306// create summable digits
307
ddca522a 308 GetGeometry();
4d33c797 309 AliEMCALSDigitizer emcalDigitizer(fLoader->GetRunLoader()->GetFileName().Data()) ;
310 emcalDigitizer.SetEventRange(0, -1) ; // do all the events
f21fc003 311 emcalDigitizer.Digitize() ;
da480a28 312}
313
6cc75819 314//______________________________________________________________________
315Bool_t AliEMCAL::Raw2SDigits(AliRawReader* rawReader){
316
317 // Conversion from raw data to EMCAL sdigits.
318 // Does the same as AliEMCALReconstructor::ConvertDigits()
319 // Needed to embed real data and simulation
320 // Works on a single-event basis
321
322 rawReader->Reset() ;
323
324 //Get/create the sdigits tree and array
325 AliRunLoader *rl = AliRunLoader::Instance();
1c67f0f5 326 AliEMCALLoader *emcalLoader = dynamic_cast<AliEMCALLoader*>(rl->GetDetectorLoader("EMCAL"));
327
328 if(!emcalLoader){
329 AliFatal("NULL loader");
330 return kFALSE;
331 }
332
6cc75819 333 emcalLoader->GetEvent();
334 emcalLoader->LoadSDigits("UPDATE");
335
336 TTree * treeS = emcalLoader->TreeS();
337 if ( !treeS ) {
338 emcalLoader->MakeSDigitsContainer();
339 treeS = emcalLoader->TreeS();
340 }
341
342 if(!emcalLoader->SDigits()) {
343 AliFatal("No sdigits array available\n");
344 return kFALSE;
345 }
346
347 TClonesArray * sdigits = emcalLoader->SDigits();
348 sdigits->Clear("C");
349
350 //Trigger sdigits
351 if(!fTriggerData)fTriggerData = new AliEMCALTriggerData();
352 fTriggerData->SetMode(1);
353 TClonesArray *digitsTrg = new TClonesArray("AliEMCALTriggerRawDigit", 32 * 96);
354 Int_t bufsize = 32000;
355 treeS->Branch("EMTRG", &digitsTrg, bufsize);
356
357
358 //Only physics events
359 if (rawReader->GetType()== AliRawEventHeaderBase::kPhysicsEvent) {
360
361 if(!fgRawUtils) fgRawUtils = new AliEMCALRawUtils;
362 //must be done here because, in constructor, option is not yet known
363 fgRawUtils->SetOption(GetOption());
364
365 // Set parameters from OCDB to raw utils
366 AliEMCALRecParam* recpar = emcalLoader->ReconstructionParameters(0);
367 // fgRawUtils->SetRawFormatHighLowGainFactor(recpar->GetHighLowGainFactor());
368 // fgRawUtils->SetRawFormatOrder(recpar->GetOrderParameter());
369 // fgRawUtils->SetRawFormatTau(recpar->GetTau());
370 fgRawUtils->SetNoiseThreshold(recpar->GetNoiseThreshold());
371 fgRawUtils->SetNPedSamples(recpar->GetNPedSamples());
372 fgRawUtils->SetRemoveBadChannels(recpar->GetRemoveBadChannels());
373 fgRawUtils->SetFittingAlgorithm(recpar->GetFittingAlgorithm());
374 fgRawUtils->SetFALTROUsage(recpar->UseFALTRO());
375 // fgRawUtils->SetTimeMin(recpar->GetTimeMin());
376 // fgRawUtils->SetTimeMax(recpar->GetTimeMax());
377
378 //Fit
379 fgRawUtils->Raw2Digits(rawReader,sdigits,emcalLoader->PedestalData(),digitsTrg,fTriggerData);
380
381 }//skip calibration event
382 else{
383 AliDebug(1," Calibration Event, skip!");
384 }
385
386 //Final arrangements of the array, set all sdigits as embedded
387 sdigits->Sort() ;
388 for (Int_t iSDigit = 0 ; iSDigit < sdigits->GetEntriesFast() ; iSDigit++) {
389 AliEMCALDigit * sdigit = dynamic_cast<AliEMCALDigit *>(sdigits->At(iSDigit)) ;
390 if(sdigit){
391 sdigit->SetIndexInList(iSDigit) ;
392 sdigit->SetType(AliEMCALDigit::kEmbedded);
393 }
394 else {
395 AliFatal("sdigit is NULL!");
396 }
397 }
398
399 AliDebug(1,Form("Embedded sdigits entries %d \n",sdigits->GetEntriesFast()));
400
401 //Write array, clean arrays, unload ..
402
403 Int_t bufferSize = 32000 ;
404 TBranch * sdigitsBranch = treeS->GetBranch("EMCAL");
405 if (sdigitsBranch)
406 sdigitsBranch->SetAddress(&sdigits);
407 else
408 treeS->Branch("EMCAL",&sdigits,bufferSize);
409
410 treeS->Fill();
411 emcalLoader->WriteSDigits("OVERWRITE");
412 emcalLoader->UnloadSDigits();
413
414 digitsTrg->Delete();
415 delete digitsTrg;
416
417 return kTRUE;
418
419}
420
da480a28 421//____________________________________________________________________________
5dee926e 422
8367ce9a 423AliLoader* AliEMCAL::MakeLoader(const char* topfoldername)
424{
425//different behaviour than standard (singleton getter)
426// --> to be discussed and made eventually coherent
427 fLoader = new AliEMCALLoader(GetName(),topfoldername);
428 return fLoader;
429}
050f9171 430
431//____________________________________________________________________________
432
433AliEMCALGeometry* AliEMCAL::GetGeometry() const
434{
435 //Initializes and returns geometry
436
126215a5 437 // Pass the transpor model name (Geant3, Geant4, Fluka) and title to the geometry
438 TString mcname = "";
439 TString mctitle = "";
440 if(gMC){
441 mcname = gMC->GetName() ;
442 mctitle = gMC->GetTitle() ;
443 }
444
050f9171 445 //Check if run number and requested geometry correspond to the same geometry as
446 //in real data taking. To prevent errors in official simulation productions
447 if(!(AliEMCALGeometry::GetInstance()))
448 {
126215a5 449 // Check the transport model name and option, set sampling fraction depending on it
450
050f9171 451 if(!fCheckRunNumberAndGeoVersion){// Set geometry with the name used in the configuration file
126215a5 452 return AliEMCALGeometry::GetInstance(GetTitle(),"EMCAL",mcname,mctitle) ;
050f9171 453 }
454 else{//Check run number and version and set the corresponding one.
455 //Get run number
456 //AliRunLoader *rl = AliRunLoader::Instance();
457 //Int_t runNumber = rl->GetRunNumber();
458
459 AliCDBManager* man = AliCDBManager::Instance();
460 Int_t runNumber = man->GetRun();
461
462 //Instanciate geometry depending on the run number
463 TString geoName(GetTitle());
464 if(runNumber > 104064 && runNumber <= 140000 ){//2009-2010 runs
465 //First year geometry, 4 SM.
466
467 if(!geoName.Contains("FIRSTYEARV1")){
468 AliInfo(Form("*** ATTENTION *** \n \t Specified geometry name <<%s>> for run %d is not considered! \n \t In use <<EMCAL_FIRSTYEARV1>>, check run number and year \n ",
469 geoName.Data(),runNumber)); }
470 else {
471 AliDebug(1,"Initialized geometry with name <<EMCAL_FIRSTYEARV1>>");}
472
126215a5 473 return AliEMCALGeometry::GetInstance("EMCAL_FIRSTYEARV1","EMCAL",mcname,mctitle) ;// Set geometry with the name used in the configuration file
050f9171 474 }
475 else{ //Default geometry
476 //Complete EMCAL geometry, 10 SM.
477
478 if(!geoName.Contains("COMPLETEV1")){
479 AliInfo(Form("*** ATTENTION *** \n \t Specified geometry name <<%s>> for run %d is not considered! \n \t In use <<EMCAL_COMPLETEV1>>, check run number and year \n ",
480 geoName.Data(),runNumber));}
481 else {
482 AliDebug(1,"Initialized geometry with name <<EMCAL_COMPLETEV1>>");}
483
126215a5 484 return AliEMCALGeometry::GetInstance("EMCAL_COMPLETEV1","EMCAL",mcname,mctitle) ;// Set geometry with the name used in the configuration file
050f9171 485 }
486 }
487 }// Init geometry for the first time
488
126215a5 489
050f9171 490 return AliEMCALGeometry::GetInstance();
491
492}