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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 | /* $Id$ */ | |
17 | ||
18 | //_________________________________________________________________________ | |
19 | // Base Class for EMCAL description: | |
ffa6d63b | 20 | // This class contains material definitions |
21 | // for the EMCAL - It does not place the detector in Alice | |
2012850d | 22 | //*-- Author: Yves Schutz (SUBATECH) |
b13bbe81 | 23 | // |
24 | //*-- Additional Contributions: Sahal Yacoob (LBNL/UCT) | |
25 | // | |
2012850d | 26 | ////////////////////////////////////////////////////////////////////////////// |
27 | ||
2012850d | 28 | // --- ROOT system --- |
b13bbe81 | 29 | class TFile; |
88cb7938 | 30 | #include <TFolder.h> |
88cb7938 | 31 | #include <TTree.h> |
32 | #include <TVirtualMC.h> | |
2012850d | 33 | |
05a92d59 | 34 | // --- Standard library --- |
2012850d | 35 | |
05a92d59 | 36 | // --- AliRoot header files --- |
2012850d | 37 | #include "AliMagF.h" |
8367ce9a | 38 | #include "AliESDCaloTrack.h" |
39 | #include "AliESD.h" | |
88cb7938 | 40 | #include "AliEMCAL.h" |
8367ce9a | 41 | #include "AliEMCALGetter.h" |
85a5290f | 42 | #include "AliRun.h" |
43 | #include "AliEMCALSDigitizer.h" | |
44 | #include "AliEMCALDigitizer.h" | |
8367ce9a | 45 | #include "AliEMCALReconstructioner.h" |
2012850d | 46 | |
47 | ClassImp(AliEMCAL) | |
2012850d | 48 | //____________________________________________________________________________ |
49 | AliEMCAL::AliEMCAL():AliDetector() | |
50 | { | |
05a92d59 | 51 | // Default ctor |
52 | fName="EMCAL"; | |
1d7b3dd6 | 53 | fGeom = 0 ; |
2012850d | 54 | } |
05a92d59 | 55 | |
2012850d | 56 | //____________________________________________________________________________ |
05a92d59 | 57 | AliEMCAL::AliEMCAL(const char* name, const char* title): AliDetector(name,title) |
58 | { | |
59 | // ctor : title is used to identify the layout | |
1fe0f889 | 60 | fGeom = 0; |
2012850d | 61 | } |
05a92d59 | 62 | |
2012850d | 63 | //____________________________________________________________________________ |
05a92d59 | 64 | AliEMCAL::~AliEMCAL() |
65 | { | |
66 | ||
2012850d | 67 | } |
68 | ||
8367ce9a | 69 | //____________________________________________________________________________ |
70 | void AliEMCAL::Copy(AliEMCAL & emcal) | |
71 | { | |
72 | TObject::Copy(emcal) ; | |
73 | } | |
74 | ||
75 | //____________________________________________________________________________ | |
76 | AliDigitizer* AliEMCAL::CreateDigitizer(AliRunDigitizer* manager) const | |
77 | { | |
78 | return new AliEMCALDigitizer(manager); | |
79 | } | |
80 | ||
2012850d | 81 | //____________________________________________________________________________ |
05a92d59 | 82 | void AliEMCAL::CreateMaterials() |
83 | { | |
2012850d | 84 | // Definitions of materials to build EMCAL and associated tracking media. |
85 | // media number in idtmed are 1599 to 1698. | |
86 | ||
87 | // --- Air --- | |
88 | AliMaterial(0, "Air$", 14.61, 7.3, 0.001205, 30420., 67500., 0, 0) ; | |
89 | ||
b13bbe81 | 90 | |
2012850d | 91 | // --- Lead --- |
92 | AliMaterial(1, "Pb$", 207.2, 82, 11.35, 0.56, 0., 0, 0) ; | |
93 | ||
b13bbe81 | 94 | |
95 | // --- The polysterene scintillator (CH) --- | |
96 | Float_t aP[2] = {12.011, 1.00794} ; | |
97 | Float_t zP[2] = {6.0, 1.0} ; | |
98 | Float_t wP[2] = {1.0, 1.0} ; | |
99 | Float_t dP = 1.032 ; | |
100 | ||
101 | AliMixture(2, "Polystyrene$", aP, zP, dP, -2, wP) ; | |
102 | ||
103 | // --- Aluminium --- | |
104 | AliMaterial(3, "Al$", 26.98, 13., 2.7, 8.9, 999., 0, 0) ; | |
105 | // --- Absorption length is ignored ^ | |
106 | ||
2012850d | 107 | // DEFINITION OF THE TRACKING MEDIA |
108 | ||
109 | // for EMCAL: idtmed[1599->1698] equivalent to fIdtmed[0->100] | |
110 | Int_t * idtmed = fIdtmed->GetArray() - 1599 ; | |
111 | Int_t isxfld = gAlice->Field()->Integ() ; | |
112 | Float_t sxmgmx = gAlice->Field()->Max() ; | |
b13bbe81 | 113 | |
114 | ||
2012850d | 115 | |
116 | // Air -> idtmed[1599] | |
117 | AliMedium(0, "Air $", 0, 0, | |
118 | isxfld, sxmgmx, 10.0, 1.0, 0.1, 0.1, 10.0, 0, 0) ; | |
119 | ||
a63e0d5e | 120 | // The Lead -> idtmed[1600] |
2012850d | 121 | |
122 | AliMedium(1, "Lead $", 1, 0, | |
123 | isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ; | |
124 | ||
b13bbe81 | 125 | // The scintillator of the CPV made of Polystyrene scintillator -> idtmed[1601] |
126 | AliMedium(2, "CPV scint. $", 2, 1, | |
61e0abb5 | 127 | isxfld, sxmgmx, 10.0, 0.001, 0.1, 0.001, 0.001, 0, 0) ; |
b13bbe81 | 128 | |
a63e0d5e | 129 | // Various Aluminium parts made of Al -> idtmed[1602] |
b13bbe81 | 130 | AliMedium(3, "Al parts $", 3, 0, |
131 | isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.001, 0.001, 0, 0) ; | |
132 | ||
2012850d | 133 | |
b13bbe81 | 134 | // --- Set decent energy thresholds for gamma and electron tracking |
2012850d | 135 | |
136 | // Tracking threshold for photons and electrons in Lead | |
ffa6d63b | 137 | gMC->Gstpar(idtmed[1600],"CUTGAM",0.00008) ; |
138 | gMC->Gstpar(idtmed[1600],"CUTELE",0.001) ; | |
139 | gMC->Gstpar(idtmed[1600],"BCUTE",0.0001) ; | |
2012850d | 140 | |
141 | // --- Generate explicitly delta rays in Lead --- | |
142 | gMC->Gstpar(idtmed[1600], "LOSS",3.) ; | |
143 | gMC->Gstpar(idtmed[1600], "DRAY",1.) ; | |
05a92d59 | 144 | gMC->Gstpar(idtmed[1600], "DCUTE",0.00001) ; |
145 | gMC->Gstpar(idtmed[1600], "DCUTM",0.00001) ; | |
146 | ||
a63e0d5e | 147 | // --- in aluminium parts --- |
b13bbe81 | 148 | gMC->Gstpar(idtmed[1602], "LOSS",3.) ; |
149 | gMC->Gstpar(idtmed[1602], "DRAY",1.) ; | |
05a92d59 | 150 | gMC->Gstpar(idtmed[1602], "DCUTE",0.00001) ; |
151 | gMC->Gstpar(idtmed[1602], "DCUTM",0.00001) ; | |
b13bbe81 | 152 | |
ffa6d63b | 153 | // --- and finally thresholds for photons and electrons in the scintillator --- |
61e0abb5 | 154 | gMC->Gstpar(idtmed[1601],"CUTGAM",0.00008) ; |
155 | gMC->Gstpar(idtmed[1601],"CUTELE",0.001) ; | |
156 | gMC->Gstpar(idtmed[1601],"BCUTE",0.0001) ; | |
157 | ||
2012850d | 158 | } |
05a92d59 | 159 | |
160 | //____________________________________________________________________________ | |
8367ce9a | 161 | void AliEMCAL::FillESD(AliESD* esd) const |
162 | { | |
163 | // Fill the ESD with all RecParticles | |
164 | AliEMCALGetter *gime = AliEMCALGetter::Instance( (fLoader->GetRunLoader()->GetFileName()).Data() ); | |
165 | gime->Event(gime->EventNumber(), "P") ; | |
166 | TClonesArray *recParticles = gime->RecParticles(); | |
167 | Int_t nOfRecParticles = recParticles->GetEntries(); | |
168 | for (Int_t recpart=0; recpart<nOfRecParticles; recpart++) { | |
169 | AliESDCaloTrack *ct = new AliESDCaloTrack((AliEMCALRecParticle*)recParticles->At(recpart)); | |
170 | esd->AddCaloTrack(ct); | |
84d6d14c | 171 | delete ct; |
8367ce9a | 172 | } |
8367ce9a | 173 | } |
174 | ||
175 | ||
176 | //____________________________________________________________________________ | |
177 | void AliEMCAL::Hits2SDigits() | |
178 | { | |
179 | // create summable digits | |
180 | ||
181 | AliEMCALSDigitizer* emcalDigitizer = | |
da480a28 | 182 | new AliEMCALSDigitizer(fLoader->GetRunLoader()->GetFileName().Data()) ; |
183 | emcalDigitizer->SetEventRange(0, -1) ; // do all the events | |
184 | emcalDigitizer->ExecuteTask() ; | |
185 | } | |
186 | ||
187 | //____________________________________________________________________________ | |
188 | void AliEMCAL::Reconstruct() const | |
189 | { | |
190 | AliEMCALReconstructioner * rec = new AliEMCALReconstructioner((fLoader->GetRunLoader()->GetFileName()).Data()) ; | |
191 | rec->SetEventRange(0, -1) ; // do all the events | |
192 | rec->ExecuteTask() ; | |
8367ce9a | 193 | } |
194 | ||
195 | //____________________________________________________________________________ | |
196 | AliLoader* AliEMCAL::MakeLoader(const char* topfoldername) | |
197 | { | |
198 | //different behaviour than standard (singleton getter) | |
199 | // --> to be discussed and made eventually coherent | |
200 | fLoader = new AliEMCALLoader(GetName(),topfoldername); | |
201 | return fLoader; | |
202 | } | |
203 | ||
2012850d | 204 | //____________________________________________________________________________ |
205 | void AliEMCAL::SetTreeAddress() | |
206 | { | |
d64c959b | 207 | // Linking Hits in Tree to Hits array |
2012850d | 208 | TBranch *branch; |
209 | char branchname[20]; | |
210 | sprintf(branchname,"%s",GetName()); | |
211 | ||
212 | // Branch address for hit tree | |
88cb7938 | 213 | TTree *treeH = TreeH(); |
214 | if (treeH) { | |
2012850d | 215 | branch = treeH->GetBranch(branchname); |
88cb7938 | 216 | if (branch) |
217 | { | |
d64c959b | 218 | if (fHits == 0x0) |
219 | fHits= new TClonesArray("AliEMCALHit",1000); | |
88cb7938 | 220 | branch->SetAddress(&fHits); |
221 | } | |
222 | else | |
223 | { | |
224 | Warning("SetTreeAddress","<%s> Failed",GetName()); | |
225 | } | |
2012850d | 226 | } |
2012850d | 227 | } |
2012850d | 228 | |
85a5290f | 229 | |
85a5290f | 230 | |
85a5290f | 231 | |
8367ce9a | 232 |