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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 | ||
17 | //------------------------------------------------------------------------- | |
18 | // Implementation of Class AliESDZDC | |
19 | // This is a class that summarizes the ZDC data | |
20 | // for the ESD | |
21 | // Origin: Christian Klein-Boesing, CERN, Christian.Klein-Boesing@cern.ch | |
22 | //------------------------------------------------------------------------- | |
23 | ||
24 | ||
25 | ||
26 | #include "AliESDZDC.h" | |
27 | ||
28 | ClassImp(AliESDZDC) | |
29 | ||
30 | Float_t funCParCentr(const Int_t n) {return 1.8936-0.7126/(n + 0.7179);} | |
31 | ||
32 | //______________________________________________________________________________ | |
33 | AliESDZDC::AliESDZDC() : | |
34 | TObject(), | |
35 | fZDCN1Energy(0), | |
36 | fZDCP1Energy(0), | |
37 | fZDCN2Energy(0), | |
38 | fZDCP2Energy(0), | |
39 | fZDCEMEnergy(0), | |
40 | fZDCEMEnergy1(0), | |
41 | fZDCParticipants(0) | |
42 | { | |
43 | for(Int_t i=0; i<5; i++){ | |
44 | fZN1TowerEnergy[i] = fZN2TowerEnergy[i] = 0.; | |
45 | fZP1TowerEnergy[i] = fZP2TowerEnergy[i] = 0.; | |
46 | fZN1TowerEnergyLR[i] = fZN2TowerEnergyLR[i] = 0.; | |
47 | fZP1TowerEnergyLR[i] = fZP2TowerEnergyLR[i] = 0.; | |
48 | } | |
49 | for(Int_t i=0; i<2; i++){ | |
50 | fZNACentrCoord[i] = fZNCCentrCoord[i] = 0.; | |
51 | } | |
52 | } | |
53 | ||
54 | AliESDZDC::AliESDZDC(const AliESDZDC& zdc) : | |
55 | TObject(zdc), | |
56 | fZDCN1Energy(zdc.fZDCN1Energy), | |
57 | fZDCP1Energy(zdc.fZDCP1Energy), | |
58 | fZDCN2Energy(zdc.fZDCN2Energy), | |
59 | fZDCP2Energy(zdc.fZDCP2Energy), | |
60 | fZDCEMEnergy(zdc.fZDCEMEnergy), | |
61 | fZDCEMEnergy1(zdc.fZDCEMEnergy1), | |
62 | fZDCParticipants(zdc.fZDCParticipants) | |
63 | { | |
64 | // copy constructor | |
65 | for(Int_t i=0; i<5; i++){ | |
66 | fZN1TowerEnergy[i] = zdc.fZN1TowerEnergy[i]; | |
67 | fZN2TowerEnergy[i] = zdc.fZN2TowerEnergy[i]; | |
68 | fZP1TowerEnergy[i] = zdc.fZP1TowerEnergy[i]; | |
69 | fZP2TowerEnergy[i] = zdc.fZP2TowerEnergy[i]; | |
70 | fZN1TowerEnergyLR[i] = zdc.fZN1TowerEnergyLR[i]; | |
71 | fZN2TowerEnergyLR[i] = zdc.fZN2TowerEnergyLR[i]; | |
72 | fZP1TowerEnergyLR[i] = zdc.fZP1TowerEnergyLR[i]; | |
73 | fZP2TowerEnergyLR[i] = zdc.fZP2TowerEnergyLR[i]; | |
74 | } | |
75 | for(Int_t i=0; i<2; i++){ | |
76 | fZNACentrCoord[i] = zdc.fZNACentrCoord[i]; | |
77 | fZNCCentrCoord[i] = zdc.fZNCCentrCoord[i]; | |
78 | } | |
79 | } | |
80 | ||
81 | AliESDZDC& AliESDZDC::operator=(const AliESDZDC&zdc) | |
82 | { | |
83 | // assigment operator | |
84 | if(this!=&zdc) { | |
85 | TObject::operator=(zdc); | |
86 | fZDCN1Energy = zdc.fZDCN1Energy; | |
87 | fZDCP1Energy = zdc.fZDCP1Energy; | |
88 | fZDCN2Energy = zdc.fZDCN2Energy; | |
89 | fZDCP2Energy = zdc.fZDCP2Energy; | |
90 | fZDCParticipants = zdc.fZDCParticipants; | |
91 | fZDCEMEnergy = zdc.fZDCEMEnergy; | |
92 | fZDCEMEnergy1 = zdc.fZDCEMEnergy1; | |
93 | for(Int_t i=0; i<5; i++){ | |
94 | fZN1TowerEnergy[i] = zdc.fZN1TowerEnergy[i]; | |
95 | fZN2TowerEnergy[i] = zdc.fZN2TowerEnergy[i]; | |
96 | fZP1TowerEnergy[i] = zdc.fZP1TowerEnergy[i]; | |
97 | fZP2TowerEnergy[i] = zdc.fZP2TowerEnergy[i]; | |
98 | fZN1TowerEnergyLR[i] = zdc.fZN1TowerEnergyLR[i]; | |
99 | fZN2TowerEnergyLR[i] = zdc.fZN2TowerEnergyLR[i]; | |
100 | fZP1TowerEnergyLR[i] = zdc.fZP1TowerEnergyLR[i]; | |
101 | fZP2TowerEnergyLR[i] = zdc.fZP2TowerEnergyLR[i]; | |
102 | } | |
103 | for(Int_t i=0; i<2; i++){ | |
104 | fZNACentrCoord[i] = zdc.fZNACentrCoord[i]; | |
105 | fZNCCentrCoord[i] = zdc.fZNCCentrCoord[i]; | |
106 | } | |
107 | } | |
108 | return *this; | |
109 | } | |
110 | ||
111 | void AliESDZDC::Copy(TObject &obj) const { | |
112 | ||
113 | // this overwrites the virtual TOBject::Copy() | |
114 | // to allow run time copying without casting | |
115 | // in AliESDEvent | |
116 | ||
117 | if(this==&obj)return; | |
118 | AliESDZDC *robj = dynamic_cast<AliESDZDC*>(&obj); | |
119 | if(!robj)return; // not an AliESDZDC | |
120 | *robj = *this; | |
121 | ||
122 | } | |
123 | ||
124 | ||
125 | //______________________________________________________________________________ | |
126 | void AliESDZDC::Reset() | |
127 | { | |
128 | // reset all data members | |
129 | fZDCN1Energy=0; | |
130 | fZDCP1Energy=0; | |
131 | fZDCN2Energy=0; | |
132 | fZDCP2Energy=0; | |
133 | fZDCParticipants=0; | |
134 | fZDCEMEnergy=0; | |
135 | fZDCEMEnergy1=0; | |
136 | for(Int_t i=0; i<5; i++){ | |
137 | fZN1TowerEnergy[i] = fZN2TowerEnergy[i] = 0.; | |
138 | fZP1TowerEnergy[i] = fZP2TowerEnergy[i] = 0.; | |
139 | fZN1TowerEnergyLR[i] = fZN2TowerEnergyLR[i] = 0.; | |
140 | fZP1TowerEnergyLR[i] = fZP2TowerEnergyLR[i] = 0.; | |
141 | } | |
142 | for(Int_t i=0; i<2; i++){ | |
143 | fZNACentrCoord[i] = fZNCCentrCoord[i] = 0.; | |
144 | } | |
145 | } | |
146 | ||
147 | //______________________________________________________________________________ | |
148 | void AliESDZDC::Print(const Option_t *) const | |
149 | { | |
150 | // Print ESD for the ZDC | |
151 | printf("\n \t ZN1Energy = %f TeV, ZP1Energy = %f TeV, ZN2Energy = %f TeV," | |
152 | " ZP2Energy = %f, Nparticipants = %d\n", | |
153 | fZDCN1Energy,fZDCP1Energy,fZDCN2Energy,fZDCP2Energy,fZDCParticipants); | |
154 | } | |
155 | ||
156 | //______________________________________________________________________________ | |
157 | Double32_t * AliESDZDC::GetZNCCentroid(Int_t NspecnC) | |
158 | { | |
159 | // Provide coordinates of centroid over ZN (side C) front face | |
160 | Float_t x[4] = {-1.75, 1.75, -1.75, 1.75}; | |
161 | Float_t y[4] = {-1.75, -1.72, 1.75, 1.75}; | |
162 | Float_t NumX=0., NumY=0., Den=0.; | |
163 | Float_t alpha=0.395, w; | |
164 | for(Int_t i=1; i<5; i++){ | |
165 | w = TMath::Power(fZN1TowerEnergy[i], alpha); | |
166 | NumX += x[i]*w; | |
167 | NumY += y[i]*w; | |
168 | Den += w; | |
169 | } | |
170 | if(Den!=0){ | |
171 | fZNCCentrCoord[0] = funCParCentr(NspecnC)*NumX/Den; | |
172 | fZNCCentrCoord[1] = funCParCentr(NspecnC)*NumY/Den; | |
173 | } | |
174 | return fZNCCentrCoord; | |
175 | } | |
176 | ||
177 | //______________________________________________________________________________ | |
178 | Double32_t * AliESDZDC::GetZNACentroid(Int_t NspecnA) | |
179 | { | |
180 | // Provide coordinates of centroid over ZN (side A) front face | |
181 | Float_t x[4] = {-1.75, 1.75, -1.75, 1.75}; | |
182 | Float_t y[4] = {-1.75, -1.72, 1.75, 1.75}; | |
183 | Float_t NumX=0., NumY=0., Den=0.; | |
184 | Float_t alpha=0.395, w; | |
185 | for(Int_t i=1; i<5; i++){ | |
186 | w = TMath::Power(fZN2TowerEnergy[i], alpha); | |
187 | NumX += x[i]*w; | |
188 | NumY += y[i]*w; | |
189 | Den += w; | |
190 | } | |
191 | // | |
192 | if(Den!=0){ | |
193 | fZNACentrCoord[0] = funCParCentr(NspecnA)*NumX/Den; | |
194 | fZNACentrCoord[1] = funCParCentr(NspecnA)*NumY/Den; | |
195 | } | |
196 | return fZNACentrCoord; | |
197 | } |