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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: | |
20 | // This class contains material definitions | |
21 | // for the EMCAL - It does not place the detector in Alice | |
22 | //*-- Author: Yves Schutz (SUBATECH) | |
23 | // | |
24 | //*-- Additional Contributions: Sahal Yacoob (LBNL/UCT) | |
25 | // | |
26 | ////////////////////////////////////////////////////////////////////////////// | |
27 | ||
28 | // --- ROOT system --- | |
29 | class TFile; | |
30 | #include "TBranch.h" | |
31 | #include "TClonesArray.h" | |
32 | #include "TTree.h" | |
33 | ||
34 | // --- Standard library --- | |
35 | #include <Rstrstream.h> | |
36 | ||
37 | // --- AliRoot header files --- | |
38 | #include "AliEMCAL.h" | |
39 | #include "AliRun.h" | |
40 | #include "AliMagF.h" | |
41 | #include "AliEMCALGeometry.h" | |
42 | //#include "AliEMCALQAChecker.h" | |
43 | ||
44 | ClassImp(AliEMCAL) | |
45 | //____________________________________________________________________________ | |
46 | AliEMCAL::AliEMCAL():AliDetector() | |
47 | { | |
48 | // Default ctor | |
49 | fName="EMCAL"; | |
50 | //fQATask = 0; | |
51 | fTreeQA = 0; | |
52 | fGeom = 0 ; | |
53 | } | |
54 | ||
55 | //____________________________________________________________________________ | |
56 | AliEMCAL::AliEMCAL(const char* name, const char* title): AliDetector(name,title) | |
57 | { | |
58 | // ctor : title is used to identify the layout | |
59 | ||
60 | fGeom = AliEMCALGeometry::GetInstance(GetTitle(),"") ; | |
61 | //fQATask = 0; | |
62 | fTreeQA = 0; | |
63 | } | |
64 | ||
65 | //____________________________________________________________________________ | |
66 | AliEMCAL::~AliEMCAL() | |
67 | { | |
68 | ||
69 | } | |
70 | ||
71 | //____________________________________________________________________________ | |
72 | void AliEMCAL::CreateMaterials() | |
73 | { | |
74 | // Definitions of materials to build EMCAL and associated tracking media. | |
75 | // media number in idtmed are 1599 to 1698. | |
76 | ||
77 | // --- Air --- | |
78 | AliMaterial(0, "Air$", 14.61, 7.3, 0.001205, 30420., 67500., 0, 0) ; | |
79 | ||
80 | ||
81 | // --- Lead --- | |
82 | AliMaterial(1, "Pb$", 207.2, 82, 11.35, 0.56, 0., 0, 0) ; | |
83 | ||
84 | ||
85 | // --- The polysterene scintillator (CH) --- | |
86 | Float_t aP[2] = {12.011, 1.00794} ; | |
87 | Float_t zP[2] = {6.0, 1.0} ; | |
88 | Float_t wP[2] = {1.0, 1.0} ; | |
89 | Float_t dP = 1.032 ; | |
90 | ||
91 | AliMixture(2, "Polystyrene$", aP, zP, dP, -2, wP) ; | |
92 | ||
93 | // --- Aluminium --- | |
94 | AliMaterial(3, "Al$", 26.98, 13., 2.7, 8.9, 999., 0, 0) ; | |
95 | // --- Absorption length is ignored ^ | |
96 | ||
97 | ||
98 | ||
99 | // DEFINITION OF THE TRACKING MEDIA | |
100 | ||
101 | // for EMCAL: idtmed[1599->1698] equivalent to fIdtmed[0->100] | |
102 | Int_t * idtmed = fIdtmed->GetArray() - 1599 ; | |
103 | Int_t isxfld = gAlice->Field()->Integ() ; | |
104 | Float_t sxmgmx = gAlice->Field()->Max() ; | |
105 | ||
106 | ||
107 | ||
108 | // Air -> idtmed[1599] | |
109 | AliMedium(0, "Air $", 0, 0, | |
110 | isxfld, sxmgmx, 10.0, 1.0, 0.1, 0.1, 10.0, 0, 0) ; | |
111 | ||
112 | // The Lead -> idtmed[1600] | |
113 | ||
114 | AliMedium(1, "Lead $", 1, 0, | |
115 | isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ; | |
116 | ||
117 | ||
118 | // The scintillator of the CPV made of Polystyrene scintillator -> idtmed[1601] | |
119 | AliMedium(2, "CPV scint. $", 2, 1, | |
120 | isxfld, sxmgmx, 10.0, 0.001, 0.1, 0.001, 0.001, 0, 0) ; | |
121 | ||
122 | // Various Aluminium parts made of Al -> idtmed[1602] | |
123 | AliMedium(3, "Al parts $", 3, 0, | |
124 | isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.001, 0.001, 0, 0) ; | |
125 | ||
126 | ||
127 | ||
128 | ||
129 | // --- Set decent energy thresholds for gamma and electron tracking | |
130 | ||
131 | // Tracking threshold for photons and electrons in Lead | |
132 | gMC->Gstpar(idtmed[1600],"CUTGAM",0.00008) ; | |
133 | gMC->Gstpar(idtmed[1600],"CUTELE",0.001) ; | |
134 | gMC->Gstpar(idtmed[1600],"BCUTE",0.0001) ; | |
135 | ||
136 | // --- Generate explicitly delta rays in Lead --- | |
137 | gMC->Gstpar(idtmed[1600], "LOSS",3.) ; | |
138 | gMC->Gstpar(idtmed[1600], "DRAY",1.) ; | |
139 | gMC->Gstpar(idtmed[1600], "DCUTE",0.00001) ; | |
140 | gMC->Gstpar(idtmed[1600], "DCUTM",0.00001) ; | |
141 | ||
142 | // --- and in aluminium parts --- | |
143 | gMC->Gstpar(idtmed[1602], "LOSS",3.) ; | |
144 | gMC->Gstpar(idtmed[1602], "DRAY",1.) ; | |
145 | gMC->Gstpar(idtmed[1602], "DCUTE",0.00001) ; | |
146 | gMC->Gstpar(idtmed[1602], "DCUTM",0.00001) ; | |
147 | ||
148 | ||
149 | // --- and finally thresholds for photons and electrons in the scintillator --- | |
150 | gMC->Gstpar(idtmed[1601],"CUTGAM",0.00008) ; | |
151 | gMC->Gstpar(idtmed[1601],"CUTELE",0.001) ; | |
152 | gMC->Gstpar(idtmed[1601],"BCUTE",0.0001) ; | |
153 | ||
154 | ||
155 | } | |
156 | ||
157 | //____________________________________________________________________________ | |
158 | AliEMCALGeometry * AliEMCAL::GetGeometry() const | |
159 | { | |
160 | // gets the pointer to the AliEMCALGeometry unique instance | |
161 | ||
162 | if (fGeom) | |
163 | return fGeom ; | |
164 | else | |
165 | return AliEMCALGeometry::GetInstance(GetTitle(),"") ; | |
166 | } | |
167 | ||
168 | //____________________________________________________________________________ | |
169 | void AliEMCAL::SetTreeAddress() | |
170 | { | |
171 | ||
172 | TBranch *branch; | |
173 | char branchname[20]; | |
174 | sprintf(branchname,"%s",GetName()); | |
175 | ||
176 | // Branch address for hit tree | |
177 | TTree *treeH = gAlice->TreeH(); | |
178 | if (treeH && fHits) { | |
179 | branch = treeH->GetBranch(branchname); | |
180 | if (branch) branch->SetAddress(&fHits); | |
181 | } | |
182 | } | |
183 | ||
184 | //____________________________________________________________________________ | |
185 | void AliEMCAL::WriteQA() | |
186 | { | |
187 | ||
188 | // Make TreeQA in the output file. | |
189 | ||
190 | if(fTreeQA == 0) | |
191 | fTreeQA = new TTree("TreeQA", "QA Alarms") ; | |
192 | // Create Alarms branches | |
193 | // Int_t bufferSize = 32000 ; | |
194 | // Int_t splitlevel = 0 ; | |
195 | // TFolder * alarmsF = (TFolder*)gROOT->FindObjectAny("Folders/Run/Conditions/QA/PHOS") ; | |
196 | // TString branchName(alarmsF->GetName()); | |
197 | // TBranch * alarmsBranch = fTreeQA->Branch(branchName,"TFolder", &alarmsF, bufferSize, splitlevel); | |
198 | // TString branchTitle = branchName + " QA alarms" ; | |
199 | // alarmsBranch->SetTitle(branchTitle); | |
200 | // alarmsBranch->Fill() ; | |
201 | ||
202 | //fTreeQA->Fill() ; | |
203 | } | |
204 |