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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 | /* History of cvs commits: | |
19 | * | |
20 | * $Log$ | |
21 | */ | |
22 | ||
23 | //_________________________________________________________________________ | |
24 | // PHOS digit: Id | |
25 | // energy | |
26 | // 3 identifiers for the primary particle(s) at the origine of the digit | |
27 | // The digits are made in FinishEvent() by summing all the hits in a single PHOS crystal or PPSD gas cell | |
28 | // | |
29 | //*-- Author: Laurent Aphecetche & Yves Schutz (SUBATECH) & Dmitri Peressounko (RRC KI & SUBATECH) | |
30 | ||
31 | ||
32 | // --- ROOT system --- | |
33 | ||
34 | #include "TMath.h" | |
35 | ||
36 | // --- Standard library --- | |
37 | ||
38 | // --- AliRoot header files --- | |
39 | ||
40 | #include "AliPHOSDigit.h" | |
41 | ||
42 | ||
43 | ||
44 | ||
45 | ClassImp(AliPHOSDigit) | |
46 | ||
47 | //____________________________________________________________________________ | |
48 | AliPHOSDigit::AliPHOSDigit() | |
49 | { | |
50 | // default ctor | |
51 | ||
52 | fIndexInList = -1 ; | |
53 | fNprimary = 0 ; | |
54 | fPrimary = 0; | |
55 | fTime = 0. ; | |
56 | fTimeR = 0. ; | |
57 | } | |
58 | ||
59 | //____________________________________________________________________________ | |
60 | AliPHOSDigit::AliPHOSDigit(Int_t primary, Int_t id, Int_t digEnergy, Float_t time, Int_t index) | |
61 | { | |
62 | // ctor with all data | |
63 | ||
64 | fAmp = digEnergy ; | |
65 | fTime = time ; | |
66 | fTimeR = fTime ; | |
67 | fId = id ; | |
68 | fIndexInList = index ; | |
69 | if( primary != -1){ | |
70 | fNprimary = 1 ; | |
71 | fPrimary = new Int_t[fNprimary] ; | |
72 | fPrimary[0] = primary ; | |
73 | } | |
74 | else{ //If the contribution of this primary smaller than fDigitThreshold (AliPHOSv1) | |
75 | fNprimary = 0 ; | |
76 | fPrimary = 0 ; | |
77 | } | |
78 | } | |
79 | ||
80 | //____________________________________________________________________________ | |
81 | AliPHOSDigit::AliPHOSDigit(const AliPHOSDigit & digit) : AliDigitNew(digit) | |
82 | { | |
83 | // copy ctor | |
84 | ||
85 | fNprimary = digit.fNprimary ; | |
86 | if(fNprimary){ | |
87 | fPrimary = new Int_t[fNprimary] ; | |
88 | for (Int_t i = 0; i < fNprimary ; i++) | |
89 | fPrimary[i] = digit.fPrimary[i] ; | |
90 | } | |
91 | else | |
92 | fPrimary = 0 ; | |
93 | fAmp = digit.fAmp ; | |
94 | fTime = digit.fTime ; | |
95 | fTimeR = digit.fTimeR ; | |
96 | fId = digit.fId; | |
97 | fIndexInList = digit.fIndexInList ; | |
98 | } | |
99 | ||
100 | //____________________________________________________________________________ | |
101 | AliPHOSDigit::~AliPHOSDigit() | |
102 | { | |
103 | // Delete array of primiries if any | |
104 | if(fPrimary) | |
105 | delete [] fPrimary ; | |
106 | } | |
107 | ||
108 | //____________________________________________________________________________ | |
109 | Int_t AliPHOSDigit::Compare(const TObject * obj) const | |
110 | { | |
111 | // Compares two digits with respect to its Id | |
112 | // to sort according increasing Id | |
113 | ||
114 | Int_t rv ; | |
115 | ||
116 | AliPHOSDigit * digit = (AliPHOSDigit *)obj ; | |
117 | ||
118 | Int_t iddiff = fId - digit->GetId() ; | |
119 | ||
120 | if ( iddiff > 0 ) | |
121 | rv = 1 ; | |
122 | else if ( iddiff < 0 ) | |
123 | rv = -1 ; | |
124 | else | |
125 | rv = 0 ; | |
126 | ||
127 | return rv ; | |
128 | ||
129 | } | |
130 | ||
131 | //____________________________________________________________________________ | |
132 | Int_t AliPHOSDigit::GetPrimary(Int_t index) const | |
133 | { | |
134 | // retrieves the primary particle number given its index in the list | |
135 | Int_t rv = -1 ; | |
136 | if ( index <= fNprimary && index > 0){ | |
137 | rv = fPrimary[index-1] ; | |
138 | } | |
139 | ||
140 | return rv ; | |
141 | ||
142 | } | |
143 | //____________________________________________________________________________ | |
144 | void AliPHOSDigit::Print(const Option_t *) const | |
145 | { | |
146 | // Print the digit together with list of primaries | |
147 | printf("PHOS digit: Amp=%d, Id=%d, Time=%e, TimeR=%e, NPrim=%d ",fAmp,fId,fTime,fTimeR,fNprimary); | |
148 | for(Int_t index = 0; index <fNprimary; index ++ ) | |
149 | printf(" %d ",fPrimary[index]); | |
150 | printf("\n") ; | |
151 | } | |
152 | //____________________________________________________________________________ | |
153 | void AliPHOSDigit::ShiftPrimary(Int_t shift) | |
154 | { | |
155 | //shifts primary number to BIG offset, to separate primary in different TreeK | |
156 | for(Int_t index = 0; index <fNprimary; index ++ ){ | |
157 | fPrimary[index]+= shift ; | |
158 | } | |
159 | } | |
160 | //____________________________________________________________________________ | |
161 | Bool_t AliPHOSDigit::operator==(AliPHOSDigit const & digit) const | |
162 | { | |
163 | // Two digits are equal if they have the same Id | |
164 | ||
165 | if ( fId == digit.fId ) | |
166 | return kTRUE ; | |
167 | else | |
168 | return kFALSE ; | |
169 | } | |
170 | ||
171 | //____________________________________________________________________________ | |
172 | AliPHOSDigit& AliPHOSDigit::operator+(AliPHOSDigit const & digit) | |
173 | { | |
174 | ||
175 | // Adds the amplitude of digits and completes the list of primary particles | |
176 | if(digit.fNprimary>0){ | |
177 | Int_t *tmp = new Int_t[fNprimary+digit.fNprimary] ; | |
178 | if(fAmp < digit.fAmp){//most energetic primary in second digit => first primaries in list from second digit | |
179 | for (Int_t index = 0 ; index < digit.fNprimary ; index++) | |
180 | tmp[index]=(digit.fPrimary)[index] ; | |
181 | for (Int_t index = 0 ; index < fNprimary ; index++) | |
182 | tmp[index+digit.fNprimary]=fPrimary[index] ; | |
183 | } | |
184 | else{ //add new primaries to the end | |
185 | for (Int_t index = 0 ; index < fNprimary ; index++) | |
186 | tmp[index]=fPrimary[index] ; | |
187 | for (Int_t index = 0 ; index < digit.fNprimary ; index++) | |
188 | tmp[index+fNprimary]=(digit.fPrimary)[index] ; | |
189 | } | |
190 | if(fPrimary) | |
191 | delete []fPrimary ; | |
192 | fPrimary = tmp ; | |
193 | } | |
194 | fNprimary+=digit.fNprimary ; | |
195 | fAmp += digit.fAmp ; | |
196 | if(fTime > digit.fTime) | |
197 | fTime = digit.fTime ; | |
198 | fTimeR = fTime ; | |
199 | return *this ; | |
200 | } | |
201 | //____________________________________________________________________________ | |
202 | AliPHOSDigit& AliPHOSDigit::operator*(Float_t factor) | |
203 | { | |
204 | // Multiplies the amplitude by a factor | |
205 | ||
206 | Float_t tempo = static_cast<Float_t>(fAmp) ; | |
207 | tempo *= factor ; | |
208 | fAmp = static_cast<Int_t>(TMath::Ceil(tempo)) ; | |
209 | return *this ; | |
210 | } | |
211 | ||
212 | //____________________________________________________________________________ | |
213 | ostream& operator << ( ostream& out , const AliPHOSDigit & digit) | |
214 | { | |
215 | // Prints the data of the digit | |
216 | ||
217 | // out << "ID " << digit.fId << " Energy = " << digit.fAmp << " Time = " << digit.fTime << endl ; | |
218 | // Int_t i ; | |
219 | // for(i=0;i<digit.fNprimary;i++) | |
220 | // out << "Primary " << i+1 << " = " << digit.fPrimary[i] << endl ; | |
221 | // out << "Position in list = " << digit.fIndexInList << endl ; | |
222 | digit.Warning("operator <<", "Implement differently") ; | |
223 | return out ; | |
224 | } | |
225 | ||
226 |