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61e0abb5 | 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 | ||
ffa6d63b | 16 | /* $Id: */ |
61e0abb5 | 17 | |
18 | //_________________________________________________________________________ | |
ffa6d63b | 19 | // EMCAL digit: |
20 | // A Digit is the sum of the energy lost in an EMCAL Tower | |
21 | // It also stores information on Primary, and enterring particle | |
22 | // tracknumbers Digits are created using AliEMCALSDigitizer, followed | |
23 | // by AliEMCALDigitizer | |
61e0abb5 | 24 | // |
ffa6d63b | 25 | //*-- Author: Sahal Yacoob (LBL) |
26 | // based on : AliPHOSDigit | |
814ad4bf | 27 | //__________________________________________________________________________ |
61e0abb5 | 28 | |
29 | // --- ROOT system --- | |
30 | ||
31 | // --- Standard library --- | |
32 | ||
70479d0e | 33 | #include <Riostream.h> |
61e0abb5 | 34 | |
35 | // --- AliRoot header files --- | |
36 | ||
37 | #include "AliEMCALDigit.h" | |
814ad4bf | 38 | #include "AliEMCALGeometry.h" |
88d764f0 | 39 | #include "AliEMCALGetter.h" |
61e0abb5 | 40 | |
41 | ||
42 | ClassImp(AliEMCALDigit) | |
43 | ||
44 | //____________________________________________________________________________ | |
da98933e | 45 | AliEMCALDigit::AliEMCALDigit() |
61e0abb5 | 46 | { |
47 | // default ctor | |
48 | ||
0c22a365 | 49 | fIndexInList = 0 ; |
61e0abb5 | 50 | fNprimary = 0 ; |
ef733077 | 51 | fNMaxPrimary = 0 ; |
61e0abb5 | 52 | fNiparent = 0 ; |
0c22a365 | 53 | |
ef733077 | 54 | fNMaxiparent = 0; |
55 | fPrimary = 0 ; | |
56 | fIparent = 0 ; | |
0c22a365 | 57 | fMaxIter = 0; |
61e0abb5 | 58 | } |
59 | ||
60 | //____________________________________________________________________________ | |
814ad4bf | 61 | AliEMCALDigit::AliEMCALDigit(Int_t primary, Int_t iparent, Int_t id, Int_t DigEnergy, Float_t time, Int_t index) |
61e0abb5 | 62 | { |
63 | // ctor with all data | |
64 | ||
451bc3c5 | 65 | fNMaxPrimary = 25 ; |
fb8b329a | 66 | fNMaxiparent = 150 ; |
88d764f0 | 67 | fPrimary = new Int_t[fNMaxPrimary] ; |
68 | fIparent = new Int_t[fNMaxiparent] ; | |
61e0abb5 | 69 | fAmp = DigEnergy ; |
814ad4bf | 70 | fTime = time ; |
61e0abb5 | 71 | fId = id ; |
72 | fIndexInList = index ; | |
0c22a365 | 73 | fMaxIter = 5; |
61e0abb5 | 74 | if( primary != -1){ |
75 | fNprimary = 1 ; | |
7b62cd84 | 76 | fPrimary[0] = primary ; |
61e0abb5 | 77 | fNiparent = 1 ; |
78 | fIparent[0] = iparent ; | |
7b62cd84 | 79 | } |
61e0abb5 | 80 | else{ //If the contribution of this primary smaller than fDigitThreshold (AliEMCALv1) |
81 | fNprimary = 0 ; | |
82 | fPrimary[0] = -1 ; | |
83 | fNiparent = 0 ; | |
84 | fIparent[0] = -1 ; | |
85 | ||
86 | } | |
87 | Int_t i ; | |
88 | for ( i = 1; i < fNMaxPrimary ; i++) | |
89 | fPrimary[i] = -1 ; | |
90 | ||
f807c3bd | 91 | for ( i =1; i< fNMaxiparent ; i++) |
92 | fIparent[i] = -1 ; | |
61e0abb5 | 93 | } |
94 | ||
95 | //____________________________________________________________________________ | |
96 | AliEMCALDigit::AliEMCALDigit(const AliEMCALDigit & digit) | |
97 | { | |
98 | // copy ctor | |
99 | ||
100 | ||
101 | fNMaxPrimary = digit.fNMaxPrimary ; | |
102 | fNMaxiparent = digit.fNMaxiparent ; | |
88d764f0 | 103 | fPrimary = new Int_t[fNMaxPrimary] ; |
104 | fIparent = new Int_t[fNMaxiparent] ; | |
61e0abb5 | 105 | Int_t i ; |
106 | for ( i = 0; i < fNMaxPrimary ; i++) | |
107 | fPrimary[i] = digit.fPrimary[i] ; | |
108 | Int_t j ; | |
109 | for (j = 0; j< fNMaxiparent ; j++) | |
110 | fIparent[j] = digit.fIparent[j] ; | |
111 | fAmp = digit.fAmp ; | |
814ad4bf | 112 | fTime = digit.fTime ; |
61e0abb5 | 113 | fId = digit.fId; |
0c22a365 | 114 | fMaxIter = digit.fMaxIter; |
61e0abb5 | 115 | fIndexInList = digit.fIndexInList ; |
116 | fNprimary = digit.fNprimary ; | |
117 | fNiparent = digit.fNiparent ; | |
118 | } | |
119 | ||
120 | //____________________________________________________________________________ | |
121 | AliEMCALDigit::~AliEMCALDigit() | |
122 | { | |
123 | // Delete array of primiries if any | |
88d764f0 | 124 | delete [] fPrimary ; |
125 | delete [] fIparent ; | |
61e0abb5 | 126 | } |
127 | ||
128 | //____________________________________________________________________________ | |
129 | Int_t AliEMCALDigit::Compare(const TObject * obj) const | |
130 | { | |
131 | // Compares two digits with respect to its Id | |
132 | // to sort according increasing Id | |
133 | ||
134 | Int_t rv ; | |
135 | ||
136 | AliEMCALDigit * digit = (AliEMCALDigit *)obj ; | |
137 | ||
138 | Int_t iddiff = fId - digit->GetId() ; | |
139 | ||
140 | if ( iddiff > 0 ) | |
141 | rv = 1 ; | |
142 | else if ( iddiff < 0 ) | |
143 | rv = -1 ; | |
144 | else | |
145 | rv = 0 ; | |
146 | ||
147 | return rv ; | |
148 | ||
149 | } | |
150 | ||
814ad4bf | 151 | //____________________________________________________________________________ |
152 | const Float_t AliEMCALDigit::GetEta() const | |
153 | { | |
154 | Float_t eta=-10., phi=-10.; | |
563aa66c | 155 | Int_t id = GetId(); |
da98933e | 156 | const AliEMCALGeometry *g = AliEMCALGetter::GetInstance()->EMCALGeometry(); |
563aa66c | 157 | g->EtaPhiFromIndex(id,eta,phi); |
814ad4bf | 158 | return eta ; |
159 | } | |
160 | ||
161 | //____________________________________________________________________________ | |
162 | const Float_t AliEMCALDigit::GetPhi() const | |
163 | { | |
164 | Float_t eta=-10., phi=-10.; | |
563aa66c | 165 | Int_t id = GetId(); |
da98933e | 166 | const AliEMCALGeometry *g = AliEMCALGetter::GetInstance()->EMCALGeometry(); |
563aa66c | 167 | g->EtaPhiFromIndex(id,eta,phi); |
814ad4bf | 168 | return phi ; |
169 | } | |
170 | ||
61e0abb5 | 171 | //____________________________________________________________________________ |
172 | Int_t AliEMCALDigit::GetPrimary(Int_t index) const | |
173 | { | |
174 | // retrieves the primary particle number given its index in the list | |
175 | Int_t rv = -1 ; | |
814ad4bf | 176 | if ( index <= fNprimary && index > 0){ |
61e0abb5 | 177 | rv = fPrimary[index-1] ; |
178 | } | |
179 | ||
180 | return rv ; | |
181 | ||
182 | } | |
183 | ||
184 | //____________________________________________________________________________ | |
185 | Int_t AliEMCALDigit::GetIparent(Int_t index) const | |
186 | { | |
187 | // retrieves the primary particle number given its index in the list | |
188 | Int_t rv = -1 ; | |
189 | if ( index <= fNiparent ){ | |
190 | rv = fIparent[index-1] ; | |
191 | } | |
192 | ||
193 | return rv ; | |
194 | ||
195 | } | |
196 | ||
61e0abb5 | 197 | //____________________________________________________________________________ |
198 | void AliEMCALDigit::ShiftPrimary(Int_t shift){ | |
199 | //shifts primary nimber to BIG offset, to separate primary in different TreeK | |
200 | Int_t index ; | |
201 | for(index = 0; index <fNprimary; index++ ){ | |
202 | fPrimary[index] = fPrimary[index]+ shift * 10000000 ;} | |
203 | for(index =0; index <fNiparent; index++){ | |
204 | fIparent[index] = fIparent[index] + shift * 10000000 ;} | |
205 | } | |
206 | //____________________________________________________________________________ | |
207 | Bool_t AliEMCALDigit::operator==(AliEMCALDigit const & digit) const | |
208 | { | |
209 | // Two digits are equal if they have the same Id | |
210 | ||
211 | if ( fId == digit.fId ) | |
212 | return kTRUE ; | |
213 | else | |
214 | return kFALSE ; | |
215 | } | |
216 | ||
217 | //____________________________________________________________________________ | |
218 | AliEMCALDigit& AliEMCALDigit::operator+(AliEMCALDigit const & digit) | |
219 | { | |
220 | // Adds the amplitude of digits and completes the list of primary particles | |
221 | // if amplitude is larger than | |
222 | ||
223 | fAmp += digit.fAmp ; | |
814ad4bf | 224 | if(fTime > digit.fTime) |
225 | fTime = digit.fTime ; | |
7b62cd84 | 226 | |
61e0abb5 | 227 | Int_t max1 = fNprimary ; |
228 | Int_t max2 = fNiparent ; | |
229 | Int_t index ; | |
7b62cd84 | 230 | for (index = 0 ; index < digit.fNprimary ; index++){ |
61e0abb5 | 231 | Bool_t deja = kTRUE ; |
232 | Int_t old ; | |
233 | for ( old = 0 ; (old < max1) && deja; old++) { //already have this primary? | |
7b62cd84 | 234 | if(fPrimary[old] == digit.fPrimary[index]) |
61e0abb5 | 235 | deja = kFALSE; |
236 | } | |
237 | if(deja){ | |
7b62cd84 | 238 | if(max1<fNMaxPrimary){ fPrimary[max1] = digit.fPrimary[index] ; |
61e0abb5 | 239 | fNprimary++ ; |
7b62cd84 | 240 | max1++;} |
241 | if(fNprimary==fNMaxPrimary) { | |
8704424d | 242 | |
451bc3c5 | 243 | TString mess = " NMaxPrimary = " ; |
244 | mess += fNMaxPrimary ; | |
245 | mess += " is too small" ; | |
246 | Fatal("AliEMCALDigit::Operator+ -->" , mess.Data()) ; | |
8704424d | 247 | |
61e0abb5 | 248 | } |
249 | } | |
250 | } | |
251 | ||
252 | for (index = 0 ; index < digit.fNiparent ; index++){ | |
253 | Bool_t dejavu = kTRUE ; | |
254 | Int_t old ; | |
255 | for ( old = 0 ; (old < max2) && dejavu; old++) { //already have this primary? | |
7b62cd84 | 256 | if(fIparent[old] == digit.fIparent[index]) |
61e0abb5 | 257 | dejavu = kFALSE; |
258 | } | |
259 | if(dejavu){ | |
7b62cd84 | 260 | if(max2<fNMaxiparent){ fIparent[max2] = digit.fIparent[index] ; |
61e0abb5 | 261 | fNiparent++ ; |
7b62cd84 | 262 | max2++;} |
263 | if(fNiparent==fNMaxiparent) { | |
8704424d | 264 | |
451bc3c5 | 265 | TString mess = " NMaxiparent = " ; |
266 | mess += fNMaxiparent ; | |
267 | mess += " is too small" ; | |
268 | Fatal("AliEMCALDigit::Operator+ -->", mess.Data()) ; | |
8704424d | 269 | |
61e0abb5 | 270 | } |
271 | } | |
272 | } | |
273 | ||
274 | return *this ; | |
275 | } | |
276 | ||
563aa66c | 277 | //____________________________________________________________________________ |
278 | AliEMCALDigit& AliEMCALDigit::operator*(Float_t factor) | |
279 | { | |
280 | // Multiplies the amplitude by a factor | |
281 | ||
282 | Float_t tempo = static_cast<Float_t>(fAmp) ; | |
283 | tempo *= factor ; | |
284 | fAmp = static_cast<Int_t>(TMath::Ceil(tempo)) ; | |
285 | return *this ; | |
286 | } | |
287 | ||
61e0abb5 | 288 | //____________________________________________________________________________ |
289 | ostream& operator << ( ostream& out , const AliEMCALDigit & digit) | |
290 | { | |
291 | // Prints the data of the digit | |
292 | ||
814ad4bf | 293 | out << "ID " << digit.fId << " Energy = " << digit.fAmp << " Time = " << digit.fTime << endl ; |
61e0abb5 | 294 | Int_t i,j ; |
295 | for(i=0;i<digit.fNprimary;i++) | |
296 | out << "Primary " << i+1 << " = " << digit.fPrimary[i] << endl ; | |
297 | ||
298 | for(j=0;j<digit.fNiparent;j++) | |
299 | out << "Iparent " << j+1 << " = " << digit.fIparent[j] << endl ; | |
300 | out << "Position in list = " << digit.fIndexInList << endl ; | |
301 | return out ; | |
302 | } | |
303 | ||
304 |