renamed a method to load libs so that it does not clash with earlier runs
[u/mrichter/AliRoot.git] / EMCAL / AliEMCAL.cxx
CommitLineData
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/* $Id$ */
4884333f 17/* History of cvs commits:
18 *
19 * $Log$
5a6bfeed 20
21 * Revision 1.54 2007/12/06 10:31:13 hristov
22 * Bug fix: using the mapping from CDB
23 *
3294dade 24 * Revision 1.53.10.1 2007/12/06 10:29:59 hristov
25 * Bug fix: using the mapping from CDB
26 *
27 * Revision 1.53 2007/03/17 19:56:38 mvl
28 * Moved signal shape routines from AliEMCAL to separate class AliEMCALRawUtils to streamline raw data reconstruction code.
29 *
ee299369 30 * Revision 1.52 2007/03/10 22:19:01 pavlinov
31 * move one varibels from AliEMCALv2 to AliEMCAL
32 *
23ef18ac 33 * Revision 1.51 2007/02/24 20:42:35 pavlinov
34 * fixed error of Geant3 parameters initialisation
35 *
91e5f344 36 * Revision 1.50 2007/02/05 10:43:25 hristov
37 * Changes for correct initialization of Geant4 (Mihaela)
38 *
7235aed2 39 * Revision 1.49 2007/01/22 17:29:12 pavlinov
40 * EMCAL geometry can be created independently form anything now
41 *
89557f6d 42 * Revision 1.48 2006/12/19 02:34:13 pavlinov
43 * clean up the EMCAL name scheme : super module -> module -> tower (or cell)
44 *
2bb3725c 45 * Revision 1.47 2006/12/05 17:12:03 gustavo
46 * Updated AliEMCAL::Digits2Raw, reads first provisional RCU mapping files to make Raw data with new AliCaloAltroMapping and AliCaloRawStream
47 *
4884333f 48 *
49 */
2012850d 50//_________________________________________________________________________
51// Base Class for EMCAL description:
ffa6d63b 52// This class contains material definitions
53// for the EMCAL - It does not place the detector in Alice
2012850d 54//*-- Author: Yves Schutz (SUBATECH)
b13bbe81 55//
56//*-- Additional Contributions: Sahal Yacoob (LBNL/UCT)
57//
2012850d 58//////////////////////////////////////////////////////////////////////////////
59
2012850d 60// --- ROOT system ---
b13bbe81 61class TFile;
88cb7938 62#include <TFolder.h>
f7a1cc68 63#include <TGeoGlobalMagField.h>
64#include <TGraph.h>
046ae904 65#include <TH1F.h>
046ae904 66#include <TRandom.h>
f7a1cc68 67#include <TTree.h>
68#include <TVirtualMC.h>
2012850d 69
05a92d59 70// --- Standard library ---
2012850d 71
05a92d59 72// --- AliRoot header files ---
2012850d 73#include "AliMagF.h"
88cb7938 74#include "AliEMCAL.h"
85a5290f 75#include "AliRun.h"
5dee926e 76#include "AliEMCALLoader.h"
85a5290f 77#include "AliEMCALSDigitizer.h"
78#include "AliEMCALDigitizer.h"
5dee926e 79#include "AliEMCALDigit.h"
ee299369 80#include "AliEMCALRawUtils.h"
3294dade 81#include "AliCDBManager.h"
82#include "AliCDBEntry.h"
83
2012850d 84ClassImp(AliEMCAL)
4884333f 85
2012850d 86//____________________________________________________________________________
18a21c7c 87AliEMCAL::AliEMCAL()
88 : AliDetector(),
89 fBirkC0(0),
90 fBirkC1(0.),
91 fBirkC2(0.),
23ef18ac 92 fGeometry(0)
2012850d 93{
05a92d59 94 // Default ctor
046ae904 95 fName = "EMCAL" ;
7235aed2 96 InitConstants();
65bdc82f 97
23ef18ac 98 // Should call AliEMCALGeometry::GetInstance(EMCAL->GetTitle(),"") for getting EMCAL geometry
2012850d 99}
05a92d59 100
2012850d 101//____________________________________________________________________________
18a21c7c 102AliEMCAL::AliEMCAL(const char* name, const char* title)
103 : AliDetector(name,title),
104 fBirkC0(0),
105 fBirkC1(0.),
106 fBirkC2(0.),
23ef18ac 107 fGeometry(0)
05a92d59 108{
109 // ctor : title is used to identify the layout
7235aed2 110 InitConstants();
0a4cb131 111}
112
113//____________________________________________________________________________
05a92d59 114AliEMCAL::~AliEMCAL()
115{
14ce0a6e 116 //dtor
2012850d 117}
118
119//____________________________________________________________________________
7235aed2 120void AliEMCAL::InitConstants()
0a4cb131 121{
122 //initialize EMCAL values
123 fBirkC0 = 1;
124 fBirkC1 = 0.013/1.032;
125 fBirkC2 = 9.6e-6/(1.032 * 1.032);
ee299369 126 }
0a4cb131 127
128//____________________________________________________________________________
91e5f344 129void AliEMCAL::DefineMediumParameters()
05a92d59 130{
91e5f344 131 //
132 // EMCAL cuts (Geant3)
133 //
2012850d 134 Int_t * idtmed = fIdtmed->GetArray() - 1599 ;
b13bbe81 135// --- Set decent energy thresholds for gamma and electron tracking
2012850d 136
137 // Tracking threshold for photons and electrons in Lead
905263da 138 Float_t cutgam=10.e-5; // 100 kev;
139 Float_t cutele=10.e-5; // 100 kev;
140 TString ntmp(GetTitle());
141 ntmp.ToUpper();
142 if(ntmp.Contains("10KEV")) {
143 cutele = cutgam = 1.e-5;
144 } else if(ntmp.Contains("50KEV")) {
145 cutele = cutgam = 5.e-5;
146 } else if(ntmp.Contains("100KEV")) {
147 cutele = cutgam = 1.e-4;
148 } else if(ntmp.Contains("200KEV")) {
149 cutele = cutgam = 2.e-4;
150 } else if(ntmp.Contains("500KEV")) {
151 cutele = cutgam = 5.e-4;
152 }
2012850d 153
905263da 154 gMC->Gstpar(idtmed[1600],"CUTGAM", cutgam);
155 gMC->Gstpar(idtmed[1600],"CUTELE", cutele); // 1MEV -> 0.1MEV; 15-aug-05
156 gMC->Gstpar(idtmed[1600],"BCUTE", cutgam); // BCUTE and BCUTM start from GUTGUM
157 gMC->Gstpar(idtmed[1600],"BCUTM", cutgam); // BCUTE and BCUTM start from GUTGUM
2012850d 158 // --- Generate explicitly delta rays in Lead ---
89557f6d 159 gMC->Gstpar(idtmed[1600], "LOSS", 3) ;
160 gMC->Gstpar(idtmed[1600], "DRAY", 1) ;
905263da 161 gMC->Gstpar(idtmed[1600], "DCUTE", cutele) ;
162 gMC->Gstpar(idtmed[1600], "DCUTM", cutele) ;
05a92d59 163
a63e0d5e 164// --- in aluminium parts ---
905263da 165 gMC->Gstpar(idtmed[1602],"CUTGAM", cutgam) ;
166 gMC->Gstpar(idtmed[1602],"CUTELE", cutele) ;
167 gMC->Gstpar(idtmed[1602],"BCUTE", cutgam); // BCUTE and BCUTM start from GUTGUM
168 gMC->Gstpar(idtmed[1602],"BCUTM", cutgam); // BCUTE and BCUTM start from GUTGUM
b13bbe81 169 gMC->Gstpar(idtmed[1602], "LOSS",3.) ;
170 gMC->Gstpar(idtmed[1602], "DRAY",1.) ;
905263da 171 gMC->Gstpar(idtmed[1602], "DCUTE", cutele) ;
172 gMC->Gstpar(idtmed[1602], "DCUTM", cutele) ;
b13bbe81 173
ffa6d63b 174// --- and finally thresholds for photons and electrons in the scintillator ---
905263da 175 gMC->Gstpar(idtmed[1601],"CUTGAM", cutgam) ;
176 gMC->Gstpar(idtmed[1601],"CUTELE", cutele) ;// 1MEV -> 0.1MEV; 15-aug-05
177 gMC->Gstpar(idtmed[1601],"BCUTE", cutgam); // BCUTE and BCUTM start from GUTGUM
178 gMC->Gstpar(idtmed[1601],"BCUTM", cutgam); // BCUTE and BCUTM start from GUTGUM
89557f6d 179 gMC->Gstpar(idtmed[1601], "LOSS",3) ; // generate delta rays
180 gMC->Gstpar(idtmed[1601], "DRAY",1) ;
905263da 181 gMC->Gstpar(idtmed[1601], "DCUTE", cutele) ;
182 gMC->Gstpar(idtmed[1601], "DCUTM", cutele) ;
183
184 // S steel -
185 gMC->Gstpar(idtmed[1603],"CUTGAM", cutgam);
186 gMC->Gstpar(idtmed[1603],"CUTELE", cutele);
187 gMC->Gstpar(idtmed[1603],"BCUTE", cutgam); // BCUTE and BCUTM start from GUTGUM
188 gMC->Gstpar(idtmed[1603],"BCUTM", cutgam); // BCUTE and BCUTM start from GUTGUM
189 // --- Generate explicitly delta rays
89557f6d 190 gMC->Gstpar(idtmed[1603], "LOSS",3);
191 gMC->Gstpar(idtmed[1603], "DRAY",1);
905263da 192 gMC->Gstpar(idtmed[1603], "DCUTE", cutele) ;
193 gMC->Gstpar(idtmed[1603], "DCUTM", cutele) ;
1963b290 194
7235aed2 195 AliEMCALGeometry* geom = GetGeometry();
89557f6d 196 if(geom->GetILOSS()>=0) {
197 for(int i=1600; i<=1603; i++) gMC->Gstpar(idtmed[i], "LOSS", geom->GetILOSS()) ;
198 }
199 if(geom->GetIHADR()>=0) {
200 for(int i=1600; i<=1603; i++) gMC->Gstpar(idtmed[i], "HADR", geom->GetIHADR()) ;
201 }
7235aed2 202}
203
204//____________________________________________________________________________
205AliDigitizer* AliEMCAL::CreateDigitizer(AliRunDigitizer* manager) const
206{
207 //create and return the digitizer
208 return new AliEMCALDigitizer(manager);
209}
210
211//____________________________________________________________________________
212void AliEMCAL::CreateMaterials()
213{
214 // Definitions of materials to build EMCAL and associated tracking media.
215 // media number in idtmed are 1599 to 1698.
216 // --- Air ---
217 Float_t aAir[4]={12.0107,14.0067,15.9994,39.948};
218 Float_t zAir[4]={6.,7.,8.,18.};
219 Float_t wAir[4]={0.000124,0.755267,0.231781,0.012827};
220 Float_t dAir = 1.20479E-3;
221 AliMixture(0, "Air$", aAir, zAir, dAir, 4, wAir) ;
222
223 // --- Lead ---
224 AliMaterial(1, "Pb$", 207.2, 82, 11.35, 0.56, 0., 0, 0) ;
225
226
227 // --- The polysterene scintillator (CH) ---
228 Float_t aP[2] = {12.011, 1.00794} ;
229 Float_t zP[2] = {6.0, 1.0} ;
230 Float_t wP[2] = {1.0, 1.0} ;
231 Float_t dP = 1.032 ;
232
233 AliMixture(2, "Polystyrene$", aP, zP, dP, -2, wP) ;
234
235 // --- Aluminium ---
236 AliMaterial(3, "Al$", 26.98, 13., 2.7, 8.9, 999., 0, 0) ;
237 // --- Absorption length is ignored ^
238
239 // 25-aug-04 by PAI - see PMD/AliPMDv0.cxx for STEEL definition
240 Float_t asteel[4] = { 55.847,51.9961,58.6934,28.0855 };
241 Float_t zsteel[4] = { 26.,24.,28.,14. };
242 Float_t wsteel[4] = { .715,.18,.1,.005 };
243 AliMixture(4, "STAINLESS STEEL$", asteel, zsteel, 7.88, 4, wsteel);
244
245 // DEFINITION OF THE TRACKING MEDIA
246
247 // for EMCAL: idtmed[1599->1698] equivalent to fIdtmed[0->100]
f7a1cc68 248 Int_t isxfld = ((AliMagF*)TGeoGlobalMagField::Instance()->GetField())->Integ() ;
249 Float_t sxmgmx = ((AliMagF*)TGeoGlobalMagField::Instance()->GetField())->Max() ;
7235aed2 250
251 // Air -> idtmed[1599]
252 AliMedium(0, "Air$", 0, 0,
253 isxfld, sxmgmx, 10.0, 1.0, 0.1, 0.1, 10.0, 0, 0) ;
254
255 // The Lead -> idtmed[1600]
256
257 AliMedium(1, "Lead$", 1, 0,
258 isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ;
259
260 // The scintillator of the CPV made of Polystyrene scintillator -> idtmed[1601]
ee299369 261 float deemax = 0.1; // maximum fractional energy loss in one step (0 < DEEMAX < deemax )
7235aed2 262 AliMedium(2, "Scintillator$", 2, 1,
263 isxfld, sxmgmx, 10.0, 0.001, deemax, 0.001, 0.001, 0, 0) ;
264
265 // Various Aluminium parts made of Al -> idtmed[1602]
266 AliMedium(3, "Al$", 3, 0,
267 isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.001, 0.001, 0, 0) ;
268
269 // 25-aug-04 by PAI : see PMD/AliPMDv0.cxx for STEEL definition -> idtmed[1603]
270 AliMedium(4, "S steel$", 4, 0,
271 isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.001, 0.001, 0, 0) ;
272
89557f6d 273
ab37d09c 274 //set constants for Birk's Law implentation
275 fBirkC0 = 1;
276 fBirkC1 = 0.013/dP;
277 fBirkC2 = 9.6e-6/(dP * dP);
278
91e5f344 279 // Call just in case of Geant3; What to do in case of Geant4 ?
280 if(gMC->InheritsFrom("TGeant3")) DefineMediumParameters(); // Feb 20, 2007
2012850d 281}
f51151a0 282//____________________________________________________________________________
ee299369 283void AliEMCAL::Digits2Raw() {
65bdc82f 284
285 static AliEMCALRawUtils rawUtils;
286 rawUtils.Digits2Raw();
287
2d5d9e60 288}
2d5d9e60 289//____________________________________________________________________________
8367ce9a 290void AliEMCAL::Hits2SDigits()
291{
292// create summable digits
293
ddca522a 294 GetGeometry();
4d33c797 295 AliEMCALSDigitizer emcalDigitizer(fLoader->GetRunLoader()->GetFileName().Data()) ;
296 emcalDigitizer.SetEventRange(0, -1) ; // do all the events
297 emcalDigitizer.ExecuteTask() ;
da480a28 298}
299
300//____________________________________________________________________________
5dee926e 301
8367ce9a 302AliLoader* AliEMCAL::MakeLoader(const char* topfoldername)
303{
304//different behaviour than standard (singleton getter)
305// --> to be discussed and made eventually coherent
306 fLoader = new AliEMCALLoader(GetName(),topfoldername);
307 return fLoader;
308}