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4a01bb2c | 1 | /************************************************************************** |
2 | * Copyright(c) 1998-2002, 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 | //=============================================================== | |
17 | // To be modified for hadron correction using particle ID and track merging | |
18 | // Author : magali.estienne@ires.in2p3.fr | |
19 | //=============================================================== | |
20 | // Author : Mark Horner (LBL/UCT) | |
21 | ||
22 | // --- Standard library --- | |
23 | #include "Riostream.h" | |
24 | #include "TMath.h" | |
25 | ||
26 | // --- AliRoot header files --- | |
27 | //#include "../EMCAL/AliJetGeometry.h" | |
38a7f6db | 28 | #include "AliJetDummyGeo.h" |
29 | //#include "AliEMCALGeometry.h" | |
4a01bb2c | 30 | #include "AliJetHadronCorrectionv1.h" |
31 | ||
32 | ClassImp(AliJetHadronCorrectionv1) | |
33 | ||
34 | Double_t AliJetHadronCorrectionv1::fgParLookup[HCPARAMETERS][HCPARAMETERSETS] = | |
35 | { | |
36 | {-2.82271e-4 , -2.39954e-4}, | |
37 | {2.50796e-2 , 2.07172e-2}, | |
38 | {1.02861e-3 , 1.48576e-3}, | |
39 | {2.11539e-2 , -1.38473-2}, | |
40 | {2.27003e-2 , 2.78252e-2}, | |
41 | {1.65078e-6 , 1.51821e-6} | |
42 | }; | |
43 | ||
44 | AliJetHadronCorrectionv1* AliJetHadronCorrectionv1::fgHadrCorr = 0; | |
45 | ||
38a7f6db | 46 | void AliJetHadronCorrectionv1::SetGeometry(AliJetDummyGeo *geometry) |
4a01bb2c | 47 | { |
48 | // Initialise EMCAL geometry | |
49 | if (!geometry) | |
50 | { | |
51 | SetParameters(); | |
52 | fSamplingFraction = geometry->GetSampling(); | |
53 | cout<<"Setting the sampling fraction to :"<<fSamplingFraction<<endl; | |
54 | }else | |
55 | { | |
56 | SetParameters(geometry->GetName()); | |
57 | fSamplingFraction = geometry->GetSampling(); | |
58 | cout<<"Setting the sampling fraction to :"<<fSamplingFraction<<endl; | |
59 | } | |
60 | return; | |
61 | } | |
62 | ||
63 | /* | |
64 | ########################################################################### | |
65 | ########################################################################### | |
66 | ||
67 | This will have to be modified with the inclusion of the new EMCAL geometry | |
68 | That means I guess a new study of the hadron correction... | |
69 | ||
70 | Geometry : SHISH... | |
71 | ||
72 | ########################################################################### | |
73 | ########################################################################### | |
74 | */ | |
75 | ||
76 | ||
77 | ||
78 | ||
79 | void AliJetHadronCorrectionv1::SetGeometry(TString name,Double_t fs) | |
80 | { | |
81 | // Initialise EMCAL geometry | |
82 | cout << "Setting sampling fraction to "<<fSamplingFraction<<endl; | |
83 | fSamplingFraction = fs; | |
84 | if ( name == "" || | |
85 | name == "EMCAL_5655_21" || | |
86 | name == "EMCALArch1a" || | |
87 | name == "EMCALArch1aN" || | |
88 | name == "G56_2_55_19" || | |
89 | name == "G56_2_55_19_104_14" ) | |
90 | { // set parameters to this hadron correction | |
91 | cout<<"HC parameters!"<<endl; | |
92 | for (Int_t i=0;i<6;i++) | |
93 | { | |
94 | fPar[i] = fgParLookup[i][0]; | |
95 | cout <<fPar[i]<<endl; | |
96 | } | |
97 | }else if( name == "EMCAL_6564_21" || | |
98 | name == "G65_2_64_19" ) | |
99 | { | |
100 | cout<<"HC parameters!"<<endl; | |
101 | for (Int_t i=0;i<6;i++) | |
102 | { | |
103 | fPar[i] = fgParLookup[i][1]; | |
104 | cout <<fPar[i]<<endl; | |
105 | } | |
106 | }else | |
107 | { | |
108 | printf("Geometry not defined in hadron correction\n"); | |
109 | } | |
110 | ||
111 | } | |
112 | ||
113 | ||
114 | AliJetHadronCorrectionv1::AliJetHadronCorrectionv1(const char *name,const char *title) | |
115 | :AliJetHadronCorrection(name, title) | |
116 | { | |
117 | fgHadrCorr = this; | |
118 | } | |
119 | ||
120 | /* | |
121 | AliJetHadronCorrectionv1::AliJetHadronCorrectionv1(const char *name,const char *title,AliJetGeometry *geometry) | |
122 | { | |
123 | ||
124 | fHadrCorr = this; | |
125 | SetGeometry(geometry); | |
126 | ||
127 | } | |
128 | */ | |
129 | ||
130 | AliJetHadronCorrectionv1* | |
131 | AliJetHadronCorrectionv1::Instance() | |
132 | { | |
133 | // return pointer to global instance. Instantiate if needed | |
134 | if (! fgHadrCorr) new AliJetHadronCorrectionv1(); | |
135 | return fgHadrCorr; | |
136 | } | |
137 | ||
138 | Double_t | |
139 | AliJetHadronCorrectionv1::GetEnergy(Double_t pmom, Double_t eta, Int_t /*gid*/) | |
140 | { | |
141 | // Return parametrised energy response | |
142 | Double_t etai = TMath::Abs(eta); | |
143 | Double_t value = fPar[5]*pmom*pmom*pmom+ fPar[0]*pmom*pmom+fPar[1]*pmom +fPar[2]*pmom*etai +fPar[3]*etai + fPar[4]; | |
144 | return fSamplingFraction*value; | |
145 | ||
146 | } |