DeltaPhi function corrected; Additional checks in GetKStar
[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/* $Id$ */
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 29class 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
44ClassImp(AliEMCAL)
2012850d 45//____________________________________________________________________________
46AliEMCAL::AliEMCAL():AliDetector()
47{
05a92d59 48 // Default ctor
49 fName="EMCAL";
1d7b3dd6 50 fGeom = 0 ;
2012850d 51}
05a92d59 52
2012850d 53//____________________________________________________________________________
05a92d59 54AliEMCAL::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 61AliEMCAL::~AliEMCAL()
62{
63
2012850d 64}
65
66//____________________________________________________________________________
8367ce9a 67void AliEMCAL::Copy(AliEMCAL & emcal)
68{
69 TObject::Copy(emcal) ;
70}
71
72//____________________________________________________________________________
73AliDigitizer* AliEMCAL::CreateDigitizer(AliRunDigitizer* manager) const
74{
75 return new AliEMCALDigitizer(manager);
76}
77
78//____________________________________________________________________________
05a92d59 79void 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//____________________________________________________________________________
158void 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
168//____________________________________________________________________________
8367ce9a 169AliLoader* 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
177//____________________________________________________________________________
2012850d 178void 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
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