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1 | /************************************************************************** | |
2 | * Copyright(c) 2007-2009, 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 | // // | |
18 | // Class with ZDC reconstruction parameters // | |
19 | // Origin: Chiara.Oppedisano@to.infn.it // | |
20 | // // | |
21 | /////////////////////////////////////////////////////////////////////////////// | |
22 | ||
23 | #include <TFile.h> | |
24 | #include <TTree.h> | |
25 | #include <TH2F.h> | |
26 | #include <TH1D.h> | |
27 | ||
28 | #include "AliZDCRecoParam.h" | |
29 | #include "AliZDCRecoParamPbPb.h" | |
30 | ||
31 | ClassImp(AliZDCRecoParamPbPb) | |
32 | ||
33 | //_____________________________________________________________________________ | |
34 | AliZDCRecoParamPbPb::AliZDCRecoParamPbPb() : | |
35 | AliZDCRecoParam(), | |
36 | fhNpartDist(0x0), | |
37 | fhbDist(0x0), | |
38 | fClkCenter(0) | |
39 | { | |
40 | // | |
41 | //Default constructor | |
42 | } | |
43 | //_____________________________________________________________________________ | |
44 | AliZDCRecoParamPbPb::AliZDCRecoParamPbPb(TH1D *hNpart, TH1D *hb, Float_t clkCent) : | |
45 | AliZDCRecoParam(), | |
46 | fhNpartDist(hNpart), | |
47 | fhbDist(hb), | |
48 | fClkCenter(clkCent) | |
49 | { | |
50 | // | |
51 | //Standard constructor | |
52 | } | |
53 | ||
54 | //______________________________________________________________________________ | |
55 | AliZDCRecoParamPbPb::AliZDCRecoParamPbPb(const AliZDCRecoParamPbPb &oldrecopar) : | |
56 | AliZDCRecoParam(), | |
57 | fhNpartDist(0x0), | |
58 | fhbDist(0x0), | |
59 | fClkCenter(oldrecopar.fClkCenter) | |
60 | { | |
61 | //Copy constructor | |
62 | if(oldrecopar.fhNpartDist){ | |
63 | fhNpartDist = new TH1D(*oldrecopar.fhNpartDist); | |
64 | fhNpartDist->SetDirectory(0); | |
65 | } | |
66 | if(oldrecopar.fhbDist){ | |
67 | fhbDist = new TH1D(*oldrecopar.fhbDist); | |
68 | fhbDist->SetDirectory(0); | |
69 | } | |
70 | } | |
71 | ||
72 | //_____________________________________________________________________________ | |
73 | AliZDCRecoParamPbPb &AliZDCRecoParamPbPb::operator =(const AliZDCRecoParamPbPb &recpar) | |
74 | { | |
75 | // Equal operator. | |
76 | this->~AliZDCRecoParamPbPb(); | |
77 | new(this) AliZDCRecoParamPbPb(recpar); | |
78 | return *this; | |
79 | ||
80 | } | |
81 | ||
82 | //_____________________________________________________________________________ | |
83 | AliZDCRecoParamPbPb::~AliZDCRecoParamPbPb() | |
84 | { | |
85 | // destructor | |
86 | ||
87 | if(fhNpartDist) delete fhNpartDist; | |
88 | if(fhbDist) delete fhbDist; | |
89 | } | |
90 | ||
91 | //_____________________________________________________________________________ | |
92 | void AliZDCRecoParamPbPb::SetGlauberMCDist(Float_t beamEnergy) | |
93 | { | |
94 | // Setting Glauber MC distributions | |
95 | // from histos file stored in $ALICE_ROOT/ZDC | |
96 | TH1::AddDirectory(0); | |
97 | TH2::AddDirectory(0); | |
98 | ||
99 | TFile *fileGlauberMC = TFile::Open("$ALICE_ROOT/ZDC/GlauberMCDist.root"); | |
100 | if(!fileGlauberMC) { | |
101 | AliError((" Opening file $ALICE_ROOT/ZDC/GlauberMCDist.root failed\n")); | |
102 | return; | |
103 | } | |
104 | ||
105 | Float_t sqrtS = 2*beamEnergy; | |
106 | // | |
107 | if(TMath::Abs(sqrtS-5500) < 100.){ | |
108 | AliDebug(2, " ZDC -> Looking for energy5500 in file $ALICE_ROOT/ZDC/GlauberMCDist.root"); | |
109 | fileGlauberMC->cd("energy5500"); | |
110 | fileGlauberMC->GetObject("energy5500/hbGlauber;1", fhbDist); | |
111 | if(!fhbDist) AliError(" PROBLEM!!! Can't get Glauber MC b distribution from file GlauberMCDist.root\n"); | |
112 | fileGlauberMC->GetObject("energy5500/hNpartGlauber;1", fhNpartDist); | |
113 | if(!fhNpartDist) AliError(" PROBLEM!!! Can't get Glauber MC Npart distribution from file GlauberMCDist.root\n"); | |
114 | } | |
115 | else if(TMath::Abs(sqrtS-2760) < 100.){ | |
116 | AliDebug(2, " ZDC -> Looking for energy2760 in file $ALICE_ROOT/ZDC/GlauberMCDist.root"); | |
117 | fileGlauberMC->cd("energy2760"); | |
118 | fileGlauberMC->GetObject("energy2760/hbGlauber;1", fhbDist); | |
119 | if(!fhbDist) AliError(" PROBLEM!!! Can't get Glauber MC b distribution from file GlauberMCDist.root\n"); | |
120 | fileGlauberMC->GetObject("energy2760/hNpartGlauber;1", fhNpartDist); | |
121 | if(!fhNpartDist) AliError(" PROBLEM!!! Can't get Glauber MC Npart distribution from file GlauberMCDist.root\n"); | |
122 | } | |
123 | else AliError(Form(" No AliZDCRecoParam provided for Pb-Pb @ sqrt(s) = %1.0f GeV\n", sqrtS)); | |
124 | // | |
125 | fhNpartDist->SetDirectory(0); | |
126 | fhbDist->SetDirectory(0); | |
127 | ||
128 | fileGlauberMC->Close(); | |
129 | } | |
130 | ||
131 | //_____________________________________________________________________________ | |
132 | AliZDCRecoParamPbPb *AliZDCRecoParamPbPb::GetHighFluxParam(Float_t beamEnergy) | |
133 | { | |
134 | // Create high flux reco parameter | |
135 | TH1::AddDirectory(0); | |
136 | TH2::AddDirectory(0); | |
137 | ||
138 | TFile *fileGlauberMC = TFile::Open("$ALICE_ROOT/ZDC/GlauberMCDist.root"); | |
139 | if(!fileGlauberMC) { | |
140 | printf(" Opening file $ALICE_ROOT/ZDC/GlauberMCDist.root failed\n"); | |
141 | return NULL; | |
142 | } | |
143 | ||
144 | Float_t sqrtS = 2*beamEnergy; | |
145 | ||
146 | TH1D *hNpartDist=0x0, *hbDist=0x0; | |
147 | if(TMath::Abs(sqrtS-5500)<100.){ | |
148 | fileGlauberMC->cd("energy5500"); | |
149 | fileGlauberMC->GetObject("energy5500/hNpartGlauber;1", hNpartDist); | |
150 | if(!hNpartDist) printf(" AliZDCRecoParamPbPb::GetHighFluxParam() PROBLEM!!! Can't get Glauber MC Npart distribution from file GlauberMCDist.root\n"); | |
151 | fileGlauberMC->GetObject("energy5500/hbGlauber;1", hbDist); | |
152 | if(!hbDist) printf(" AliZDCRecoParamPbPb::GetHighFluxParam() PROBLEM!!! Can't get Glauber MC b distribution from file GlauberMCDist.root\n"); | |
153 | } | |
154 | else if(TMath::Abs(sqrtS-2760)<100.){ | |
155 | fileGlauberMC->cd("energy2760"); | |
156 | fileGlauberMC->GetObject("energy2760/hNpartGlauber;1", hNpartDist); | |
157 | if(!hNpartDist) printf(" PROBLEM!!! Can't get Glauber MC Npart distribution from file GlauberMCDist.root\n"); | |
158 | fileGlauberMC->GetObject("energy2760/hbGlauber;1", hbDist); | |
159 | if(!hbDist) printf(" AliZDCRecoParamPbPb::GetHighFluxParam() PROBLEM!!! Can't get Glauber MC b distribution from file GlauberMCDist.root\n"); | |
160 | } | |
161 | else printf(" No AliZDCRecoParam provided for Pb-Pb @ sqrt(s) = %1.0f GeV\n", sqrtS); | |
162 | // | |
163 | if(hNpartDist) hNpartDist->SetDirectory(0); | |
164 | if(hbDist) hbDist->SetDirectory(0); | |
165 | ||
166 | AliZDCRecoParamPbPb* zdcRecoParam = new AliZDCRecoParamPbPb(hNpartDist, hbDist, 0.1); | |
167 | // | |
168 | fileGlauberMC->Close(); | |
169 | ||
170 | return zdcRecoParam; | |
171 | ||
172 | } |