]>
Commit | Line | Data |
---|---|---|
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" |
88cb7938 | 38 | #include "AliEMCAL.h" |
7f78a025 | 39 | #include "AliEMCALLoader.h" |
85a5290f | 40 | #include "AliRun.h" |
41 | #include "AliEMCALSDigitizer.h" | |
42 | #include "AliEMCALDigitizer.h" | |
2012850d | 43 | |
44 | ClassImp(AliEMCAL) | |
2012850d | 45 | //____________________________________________________________________________ |
46 | AliEMCAL::AliEMCAL():AliDetector() | |
47 | { | |
05a92d59 | 48 | // Default ctor |
49 | fName="EMCAL"; | |
1d7b3dd6 | 50 | fGeom = 0 ; |
2012850d | 51 | } |
05a92d59 | 52 | |
2012850d | 53 | //____________________________________________________________________________ |
05a92d59 | 54 | AliEMCAL::AliEMCAL(const char* name, const char* title): AliDetector(name,title) |
55 | { | |
56 | // ctor : title is used to identify the layout | |
1fe0f889 | 57 | fGeom = 0; |
2012850d | 58 | } |
05a92d59 | 59 | |
2012850d | 60 | //____________________________________________________________________________ |
05a92d59 | 61 | AliEMCAL::~AliEMCAL() |
62 | { | |
63 | ||
2012850d | 64 | } |
65 | ||
8367ce9a | 66 | //____________________________________________________________________________ |
67 | void AliEMCAL::Copy(AliEMCAL & emcal) | |
68 | { | |
69 | TObject::Copy(emcal) ; | |
70 | } | |
71 | ||
72 | //____________________________________________________________________________ | |
73 | AliDigitizer* AliEMCAL::CreateDigitizer(AliRunDigitizer* manager) const | |
74 | { | |
75 | return new AliEMCALDigitizer(manager); | |
76 | } | |
77 | ||
2012850d | 78 | //____________________________________________________________________________ |
05a92d59 | 79 | void AliEMCAL::CreateMaterials() |
80 | { | |
2012850d | 81 | // Definitions of materials to build EMCAL and associated tracking media. |
82 | // media number in idtmed are 1599 to 1698. | |
83 | ||
84 | // --- Air --- | |
85 | AliMaterial(0, "Air$", 14.61, 7.3, 0.001205, 30420., 67500., 0, 0) ; | |
86 | ||
b13bbe81 | 87 | |
2012850d | 88 | // --- Lead --- |
89 | AliMaterial(1, "Pb$", 207.2, 82, 11.35, 0.56, 0., 0, 0) ; | |
90 | ||
b13bbe81 | 91 | |
92 | // --- The polysterene scintillator (CH) --- | |
93 | Float_t aP[2] = {12.011, 1.00794} ; | |
94 | Float_t zP[2] = {6.0, 1.0} ; | |
95 | Float_t wP[2] = {1.0, 1.0} ; | |
96 | Float_t dP = 1.032 ; | |
97 | ||
98 | AliMixture(2, "Polystyrene$", aP, zP, dP, -2, wP) ; | |
99 | ||
100 | // --- Aluminium --- | |
101 | AliMaterial(3, "Al$", 26.98, 13., 2.7, 8.9, 999., 0, 0) ; | |
102 | // --- Absorption length is ignored ^ | |
103 | ||
2012850d | 104 | // DEFINITION OF THE TRACKING MEDIA |
105 | ||
106 | // for EMCAL: idtmed[1599->1698] equivalent to fIdtmed[0->100] | |
107 | Int_t * idtmed = fIdtmed->GetArray() - 1599 ; | |
108 | Int_t isxfld = gAlice->Field()->Integ() ; | |
109 | Float_t sxmgmx = gAlice->Field()->Max() ; | |
b13bbe81 | 110 | |
111 | ||
2012850d | 112 | |
113 | // Air -> idtmed[1599] | |
114 | AliMedium(0, "Air $", 0, 0, | |
115 | isxfld, sxmgmx, 10.0, 1.0, 0.1, 0.1, 10.0, 0, 0) ; | |
116 | ||
a63e0d5e | 117 | // The Lead -> idtmed[1600] |
2012850d | 118 | |
119 | AliMedium(1, "Lead $", 1, 0, | |
120 | isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ; | |
121 | ||
b13bbe81 | 122 | // The scintillator of the CPV made of Polystyrene scintillator -> idtmed[1601] |
123 | AliMedium(2, "CPV scint. $", 2, 1, | |
61e0abb5 | 124 | isxfld, sxmgmx, 10.0, 0.001, 0.1, 0.001, 0.001, 0, 0) ; |
b13bbe81 | 125 | |
a63e0d5e | 126 | // Various Aluminium parts made of Al -> idtmed[1602] |
b13bbe81 | 127 | AliMedium(3, "Al parts $", 3, 0, |
128 | isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.001, 0.001, 0, 0) ; | |
129 | ||
2012850d | 130 | |
b13bbe81 | 131 | // --- Set decent energy thresholds for gamma and electron tracking |
2012850d | 132 | |
133 | // Tracking threshold for photons and electrons in Lead | |
ffa6d63b | 134 | gMC->Gstpar(idtmed[1600],"CUTGAM",0.00008) ; |
135 | gMC->Gstpar(idtmed[1600],"CUTELE",0.001) ; | |
136 | gMC->Gstpar(idtmed[1600],"BCUTE",0.0001) ; | |
2012850d | 137 | |
138 | // --- Generate explicitly delta rays in Lead --- | |
139 | gMC->Gstpar(idtmed[1600], "LOSS",3.) ; | |
140 | gMC->Gstpar(idtmed[1600], "DRAY",1.) ; | |
05a92d59 | 141 | gMC->Gstpar(idtmed[1600], "DCUTE",0.00001) ; |
142 | gMC->Gstpar(idtmed[1600], "DCUTM",0.00001) ; | |
143 | ||
a63e0d5e | 144 | // --- in aluminium parts --- |
b13bbe81 | 145 | gMC->Gstpar(idtmed[1602], "LOSS",3.) ; |
146 | gMC->Gstpar(idtmed[1602], "DRAY",1.) ; | |
05a92d59 | 147 | gMC->Gstpar(idtmed[1602], "DCUTE",0.00001) ; |
148 | gMC->Gstpar(idtmed[1602], "DCUTM",0.00001) ; | |
b13bbe81 | 149 | |
ffa6d63b | 150 | // --- and finally thresholds for photons and electrons in the scintillator --- |
61e0abb5 | 151 | gMC->Gstpar(idtmed[1601],"CUTGAM",0.00008) ; |
152 | gMC->Gstpar(idtmed[1601],"CUTELE",0.001) ; | |
153 | gMC->Gstpar(idtmed[1601],"BCUTE",0.0001) ; | |
154 | ||
2012850d | 155 | } |
f6019cda | 156 | |
8367ce9a | 157 | //____________________________________________________________________________ |
158 | void AliEMCAL::Hits2SDigits() | |
159 | { | |
160 | // create summable digits | |
161 | ||
162 | AliEMCALSDigitizer* emcalDigitizer = | |
da480a28 | 163 | new AliEMCALSDigitizer(fLoader->GetRunLoader()->GetFileName().Data()) ; |
164 | emcalDigitizer->SetEventRange(0, -1) ; // do all the events | |
165 | emcalDigitizer->ExecuteTask() ; | |
166 | } | |
167 | ||
8367ce9a | 168 | //____________________________________________________________________________ |
169 | AliLoader* AliEMCAL::MakeLoader(const char* topfoldername) | |
170 | { | |
171 | //different behaviour than standard (singleton getter) | |
172 | // --> to be discussed and made eventually coherent | |
173 | fLoader = new AliEMCALLoader(GetName(),topfoldername); | |
174 | return fLoader; | |
175 | } | |
176 | ||
2012850d | 177 | //____________________________________________________________________________ |
178 | void AliEMCAL::SetTreeAddress() | |
179 | { | |
d64c959b | 180 | // Linking Hits in Tree to Hits array |
2012850d | 181 | TBranch *branch; |
182 | char branchname[20]; | |
183 | sprintf(branchname,"%s",GetName()); | |
184 | ||
185 | // Branch address for hit tree | |
88cb7938 | 186 | TTree *treeH = TreeH(); |
187 | if (treeH) { | |
2012850d | 188 | branch = treeH->GetBranch(branchname); |
88cb7938 | 189 | if (branch) |
190 | { | |
d64c959b | 191 | if (fHits == 0x0) |
192 | fHits= new TClonesArray("AliEMCALHit",1000); | |
88cb7938 | 193 | branch->SetAddress(&fHits); |
194 | } | |
195 | else | |
196 | { | |
197 | Warning("SetTreeAddress","<%s> Failed",GetName()); | |
198 | } | |
2012850d | 199 | } |
2012850d | 200 | } |
2012850d | 201 | |
85a5290f | 202 | |
85a5290f | 203 | |
85a5290f | 204 | |
8367ce9a | 205 |