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4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
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17 /* History of cvs commits:
21 * Revision 1.54 2007/12/06 10:31:13 hristov
22 * Bug fix: using the mapping from CDB
24 * Revision 1.53.10.1 2007/12/06 10:29:59 hristov
25 * Bug fix: using the mapping from CDB
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.
30 * Revision 1.52 2007/03/10 22:19:01 pavlinov
31 * move one varibels from AliEMCALv2 to AliEMCAL
33 * Revision 1.51 2007/02/24 20:42:35 pavlinov
34 * fixed error of Geant3 parameters initialisation
36 * Revision 1.50 2007/02/05 10:43:25 hristov
37 * Changes for correct initialization of Geant4 (Mihaela)
39 * Revision 1.49 2007/01/22 17:29:12 pavlinov
40 * EMCAL geometry can be created independently form anything now
42 * Revision 1.48 2006/12/19 02:34:13 pavlinov
43 * clean up the EMCAL name scheme : super module -> module -> tower (or cell)
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
50 //_________________________________________________________________________
51 // Base Class for EMCAL description:
52 // This class contains material definitions
53 // for the EMCAL - It does not place the detector in Alice
54 //*-- Author: Yves Schutz (SUBATECH)
56 //*-- Additional Contributions: Sahal Yacoob (LBNL/UCT)
58 //////////////////////////////////////////////////////////////////////////////
60 // --- ROOT system ---
63 #include <TGeoGlobalMagField.h>
68 #include <TVirtualMC.h>
70 // --- Standard library ---
72 // --- AliRoot header files ---
76 #include "AliEMCALLoader.h"
77 #include "AliEMCALSDigitizer.h"
78 #include "AliEMCALDigitizer.h"
79 #include "AliEMCALDigit.h"
80 #include "AliEMCALRawUtils.h"
81 #include "AliCDBManager.h"
82 #include "AliCDBEntry.h"
86 //____________________________________________________________________________
98 // Should call AliEMCALGeometry::GetInstance(EMCAL->GetTitle(),"") for getting EMCAL geometry
101 //____________________________________________________________________________
102 AliEMCAL::AliEMCAL(const char* name, const char* title)
103 : AliDetector(name,title),
109 // ctor : title is used to identify the layout
113 //____________________________________________________________________________
114 AliEMCAL::~AliEMCAL()
119 //____________________________________________________________________________
120 void AliEMCAL::InitConstants()
122 //initialize EMCAL values
124 fBirkC1 = 0.013/1.032;
125 fBirkC2 = 9.6e-6/(1.032 * 1.032);
129 //____________________________________________________________________________
130 void AliEMCAL::DefineMediumParameters()
133 // EMCAL cuts (Geant3)
135 Int_t * idtmed = fIdtmed->GetArray() - 1599 ;
136 // --- Set decent energy thresholds for gamma and electron tracking
138 // Tracking threshold for photons and electrons in Lead
139 Float_t cutgam=10.e-5; // 100 kev;
140 Float_t cutele=10.e-5; // 100 kev;
141 TString ntmp(GetTitle());
143 if(ntmp.Contains("10KEV")) {
144 cutele = cutgam = 1.e-5;
145 } else if(ntmp.Contains("50KEV")) {
146 cutele = cutgam = 5.e-5;
147 } else if(ntmp.Contains("100KEV")) {
148 cutele = cutgam = 1.e-4;
149 } else if(ntmp.Contains("200KEV")) {
150 cutele = cutgam = 2.e-4;
151 } else if(ntmp.Contains("500KEV")) {
152 cutele = cutgam = 5.e-4;
155 gMC->Gstpar(idtmed[1600],"CUTGAM", cutgam);
156 gMC->Gstpar(idtmed[1600],"CUTELE", cutele); // 1MEV -> 0.1MEV; 15-aug-05
157 gMC->Gstpar(idtmed[1600],"BCUTE", cutgam); // BCUTE and BCUTM start from GUTGUM
158 gMC->Gstpar(idtmed[1600],"BCUTM", cutgam); // BCUTE and BCUTM start from GUTGUM
159 // --- Generate explicitly delta rays in Lead ---
160 gMC->Gstpar(idtmed[1600], "LOSS", 3) ;
161 gMC->Gstpar(idtmed[1600], "DRAY", 1) ;
162 gMC->Gstpar(idtmed[1600], "DCUTE", cutele) ;
163 gMC->Gstpar(idtmed[1600], "DCUTM", cutele) ;
165 // --- in aluminium parts ---
166 gMC->Gstpar(idtmed[1602],"CUTGAM", cutgam) ;
167 gMC->Gstpar(idtmed[1602],"CUTELE", cutele) ;
168 gMC->Gstpar(idtmed[1602],"BCUTE", cutgam); // BCUTE and BCUTM start from GUTGUM
169 gMC->Gstpar(idtmed[1602],"BCUTM", cutgam); // BCUTE and BCUTM start from GUTGUM
170 gMC->Gstpar(idtmed[1602], "LOSS",3.) ;
171 gMC->Gstpar(idtmed[1602], "DRAY",1.) ;
172 gMC->Gstpar(idtmed[1602], "DCUTE", cutele) ;
173 gMC->Gstpar(idtmed[1602], "DCUTM", cutele) ;
175 // --- and finally thresholds for photons and electrons in the scintillator ---
176 gMC->Gstpar(idtmed[1601],"CUTGAM", cutgam) ;
177 gMC->Gstpar(idtmed[1601],"CUTELE", cutele) ;// 1MEV -> 0.1MEV; 15-aug-05
178 gMC->Gstpar(idtmed[1601],"BCUTE", cutgam); // BCUTE and BCUTM start from GUTGUM
179 gMC->Gstpar(idtmed[1601],"BCUTM", cutgam); // BCUTE and BCUTM start from GUTGUM
180 gMC->Gstpar(idtmed[1601], "LOSS",3) ; // generate delta rays
181 gMC->Gstpar(idtmed[1601], "DRAY",1) ;
182 gMC->Gstpar(idtmed[1601], "DCUTE", cutele) ;
183 gMC->Gstpar(idtmed[1601], "DCUTM", cutele) ;
186 gMC->Gstpar(idtmed[1603],"CUTGAM", cutgam);
187 gMC->Gstpar(idtmed[1603],"CUTELE", cutele);
188 gMC->Gstpar(idtmed[1603],"BCUTE", cutgam); // BCUTE and BCUTM start from GUTGUM
189 gMC->Gstpar(idtmed[1603],"BCUTM", cutgam); // BCUTE and BCUTM start from GUTGUM
190 // --- Generate explicitly delta rays
191 gMC->Gstpar(idtmed[1603], "LOSS",3);
192 gMC->Gstpar(idtmed[1603], "DRAY",1);
193 gMC->Gstpar(idtmed[1603], "DCUTE", cutele) ;
194 gMC->Gstpar(idtmed[1603], "DCUTM", cutele) ;
196 AliEMCALGeometry* geom = GetGeometry();
197 if(geom->GetILOSS()>=0) {
198 for(int i=1600; i<=1603; i++) gMC->Gstpar(idtmed[i], "LOSS", geom->GetILOSS()) ;
200 if(geom->GetIHADR()>=0) {
201 for(int i=1600; i<=1603; i++) gMC->Gstpar(idtmed[i], "HADR", geom->GetIHADR()) ;
205 //____________________________________________________________________________
206 AliDigitizer* AliEMCAL::CreateDigitizer(AliRunDigitizer* manager) const
208 //create and return the digitizer
209 return new AliEMCALDigitizer(manager);
212 //____________________________________________________________________________
213 void AliEMCAL::CreateMaterials()
215 // Definitions of materials to build EMCAL and associated tracking media.
216 // media number in idtmed are 1599 to 1698.
218 Float_t aAir[4]={12.0107,14.0067,15.9994,39.948};
219 Float_t zAir[4]={6.,7.,8.,18.};
220 Float_t wAir[4]={0.000124,0.755267,0.231781,0.012827};
221 Float_t dAir = 1.20479E-3;
222 AliMixture(0, "Air$", aAir, zAir, dAir, 4, wAir) ;
225 AliMaterial(1, "Pb$", 207.2, 82, 11.35, 0.56, 0., 0, 0) ;
228 // --- The polysterene scintillator (CH) ---
229 Float_t aP[2] = {12.011, 1.00794} ;
230 Float_t zP[2] = {6.0, 1.0} ;
231 Float_t wP[2] = {1.0, 1.0} ;
234 AliMixture(2, "Polystyrene$", aP, zP, dP, -2, wP) ;
237 AliMaterial(3, "Al$", 26.98, 13., 2.7, 8.9, 999., 0, 0) ;
238 // --- Absorption length is ignored ^
240 // 25-aug-04 by PAI - see PMD/AliPMDv0.cxx for STEEL definition
241 Float_t asteel[4] = { 55.847,51.9961,58.6934,28.0855 };
242 Float_t zsteel[4] = { 26.,24.,28.,14. };
243 Float_t wsteel[4] = { .715,.18,.1,.005 };
244 AliMixture(4, "STAINLESS STEEL$", asteel, zsteel, 7.88, 4, wsteel);
246 // DEFINITION OF THE TRACKING MEDIA
248 // for EMCAL: idtmed[1599->1698] equivalent to fIdtmed[0->100]
249 Int_t isxfld = ((AliMagF*)TGeoGlobalMagField::Instance()->GetField())->Integ() ;
250 Float_t sxmgmx = ((AliMagF*)TGeoGlobalMagField::Instance()->GetField())->Max() ;
252 // Air -> idtmed[1599]
253 AliMedium(0, "Air$", 0, 0,
254 isxfld, sxmgmx, 10.0, 1.0, 0.1, 0.1, 10.0, 0, 0) ;
256 // The Lead -> idtmed[1600]
258 AliMedium(1, "Lead$", 1, 0,
259 isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ;
261 // The scintillator of the CPV made of Polystyrene scintillator -> idtmed[1601]
262 float deemax = 0.1; // maximum fractional energy loss in one step (0 < DEEMAX < deemax )
263 AliMedium(2, "Scintillator$", 2, 1,
264 isxfld, sxmgmx, 10.0, 0.001, deemax, 0.001, 0.001, 0, 0) ;
266 // Various Aluminium parts made of Al -> idtmed[1602]
267 AliMedium(3, "Al$", 3, 0,
268 isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.001, 0.001, 0, 0) ;
270 // 25-aug-04 by PAI : see PMD/AliPMDv0.cxx for STEEL definition -> idtmed[1603]
271 AliMedium(4, "S steel$", 4, 0,
272 isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.001, 0.001, 0, 0) ;
275 //set constants for Birk's Law implentation
278 fBirkC2 = 9.6e-6/(dP * dP);
280 // Call just in case of Geant3; What to do in case of Geant4 ?
281 // if(gMC->InheritsFrom("TGeant3")) DefineMediumParameters(); // Feb 20, 2007
282 // Just do the same but in Init() function
283 // DefineMediumParameters();
286 //____________________________________________________________________________
287 void AliEMCAL::Init()
289 // Call just in case of Geant3; What to do in case of Geant4 ?
290 // if(gMC->InheritsFrom("TGeant3")) DefineMediumParameters(); // Feb 20, 2007
292 DefineMediumParameters();
295 //____________________________________________________________________________
296 void AliEMCAL::Digits2Raw() {
298 static AliEMCALRawUtils rawUtils;
299 rawUtils.Digits2Raw();
302 //____________________________________________________________________________
303 void AliEMCAL::Hits2SDigits()
305 // create summable digits
308 AliEMCALSDigitizer emcalDigitizer(fLoader->GetRunLoader()->GetFileName().Data()) ;
309 emcalDigitizer.SetEventRange(0, -1) ; // do all the events
310 emcalDigitizer.ExecuteTask() ;
313 //____________________________________________________________________________
315 AliLoader* AliEMCAL::MakeLoader(const char* topfoldername)
317 //different behaviour than standard (singleton getter)
318 // --> to be discussed and made eventually coherent
319 fLoader = new AliEMCALLoader(GetName(),topfoldername);