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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 | ||
88cb7938 | 49 | fIndexInList = -1 ; |
61e0abb5 | 50 | fNprimary = 0 ; |
88cb7938 | 51 | fNMaxPrimary = 5 ; |
52 | fNiparent = 0 ; | |
53 | fNMaxiparent = 5; | |
ef733077 | 54 | fPrimary = 0 ; |
55 | fIparent = 0 ; | |
0c22a365 | 56 | fMaxIter = 0; |
04f0bda3 | 57 | fTime = 0. ; |
58 | fTimeR = 0. ; | |
61e0abb5 | 59 | } |
60 | ||
61 | //____________________________________________________________________________ | |
814ad4bf | 62 | AliEMCALDigit::AliEMCALDigit(Int_t primary, Int_t iparent, Int_t id, Int_t DigEnergy, Float_t time, Int_t index) |
61e0abb5 | 63 | { |
64 | // ctor with all data | |
65 | ||
451bc3c5 | 66 | fNMaxPrimary = 25 ; |
fb8b329a | 67 | fNMaxiparent = 150 ; |
88d764f0 | 68 | fPrimary = new Int_t[fNMaxPrimary] ; |
69 | fIparent = new Int_t[fNMaxiparent] ; | |
61e0abb5 | 70 | fAmp = DigEnergy ; |
814ad4bf | 71 | fTime = time ; |
04f0bda3 | 72 | fTimeR = fTime ; |
61e0abb5 | 73 | fId = id ; |
74 | fIndexInList = index ; | |
0c22a365 | 75 | fMaxIter = 5; |
61e0abb5 | 76 | if( primary != -1){ |
77 | fNprimary = 1 ; | |
7b62cd84 | 78 | fPrimary[0] = primary ; |
61e0abb5 | 79 | fNiparent = 1 ; |
80 | fIparent[0] = iparent ; | |
7b62cd84 | 81 | } |
61e0abb5 | 82 | else{ //If the contribution of this primary smaller than fDigitThreshold (AliEMCALv1) |
83 | fNprimary = 0 ; | |
84 | fPrimary[0] = -1 ; | |
85 | fNiparent = 0 ; | |
86 | fIparent[0] = -1 ; | |
87 | ||
88 | } | |
89 | Int_t i ; | |
90 | for ( i = 1; i < fNMaxPrimary ; i++) | |
91 | fPrimary[i] = -1 ; | |
92 | ||
f807c3bd | 93 | for ( i =1; i< fNMaxiparent ; i++) |
94 | fIparent[i] = -1 ; | |
61e0abb5 | 95 | } |
96 | ||
97 | //____________________________________________________________________________ | |
9e5d2067 | 98 | AliEMCALDigit::AliEMCALDigit(const AliEMCALDigit & digit) : AliDigitNew(digit) |
61e0abb5 | 99 | { |
100 | // copy ctor | |
101 | ||
102 | ||
103 | fNMaxPrimary = digit.fNMaxPrimary ; | |
104 | fNMaxiparent = digit.fNMaxiparent ; | |
88d764f0 | 105 | fPrimary = new Int_t[fNMaxPrimary] ; |
106 | fIparent = new Int_t[fNMaxiparent] ; | |
61e0abb5 | 107 | Int_t i ; |
108 | for ( i = 0; i < fNMaxPrimary ; i++) | |
109 | fPrimary[i] = digit.fPrimary[i] ; | |
110 | Int_t j ; | |
111 | for (j = 0; j< fNMaxiparent ; j++) | |
112 | fIparent[j] = digit.fIparent[j] ; | |
113 | fAmp = digit.fAmp ; | |
814ad4bf | 114 | fTime = digit.fTime ; |
04f0bda3 | 115 | fTimeR = digit.fTimeR ; |
61e0abb5 | 116 | fId = digit.fId; |
0c22a365 | 117 | fMaxIter = digit.fMaxIter; |
61e0abb5 | 118 | fIndexInList = digit.fIndexInList ; |
119 | fNprimary = digit.fNprimary ; | |
120 | fNiparent = digit.fNiparent ; | |
121 | } | |
122 | ||
123 | //____________________________________________________________________________ | |
124 | AliEMCALDigit::~AliEMCALDigit() | |
125 | { | |
126 | // Delete array of primiries if any | |
88d764f0 | 127 | delete [] fPrimary ; |
128 | delete [] fIparent ; | |
61e0abb5 | 129 | } |
130 | ||
131 | //____________________________________________________________________________ | |
132 | Int_t AliEMCALDigit::Compare(const TObject * obj) const | |
133 | { | |
134 | // Compares two digits with respect to its Id | |
135 | // to sort according increasing Id | |
136 | ||
137 | Int_t rv ; | |
138 | ||
139 | AliEMCALDigit * digit = (AliEMCALDigit *)obj ; | |
140 | ||
141 | Int_t iddiff = fId - digit->GetId() ; | |
142 | ||
143 | if ( iddiff > 0 ) | |
144 | rv = 1 ; | |
145 | else if ( iddiff < 0 ) | |
146 | rv = -1 ; | |
147 | else | |
148 | rv = 0 ; | |
149 | ||
150 | return rv ; | |
151 | ||
152 | } | |
153 | ||
814ad4bf | 154 | //____________________________________________________________________________ |
88cb7938 | 155 | Float_t AliEMCALDigit::GetEta() const |
814ad4bf | 156 | { |
157 | Float_t eta=-10., phi=-10.; | |
563aa66c | 158 | Int_t id = GetId(); |
88cb7938 | 159 | const AliEMCALGeometry *g = AliEMCALGetter::Instance()->EMCALGeometry(); |
563aa66c | 160 | g->EtaPhiFromIndex(id,eta,phi); |
814ad4bf | 161 | return eta ; |
162 | } | |
163 | ||
164 | //____________________________________________________________________________ | |
88cb7938 | 165 | Float_t AliEMCALDigit::GetPhi() const |
814ad4bf | 166 | { |
167 | Float_t eta=-10., phi=-10.; | |
563aa66c | 168 | Int_t id = GetId(); |
88cb7938 | 169 | const AliEMCALGeometry *g = AliEMCALGetter::Instance()->EMCALGeometry(); |
563aa66c | 170 | g->EtaPhiFromIndex(id,eta,phi); |
814ad4bf | 171 | return phi ; |
172 | } | |
173 | ||
61e0abb5 | 174 | //____________________________________________________________________________ |
175 | Int_t AliEMCALDigit::GetPrimary(Int_t index) const | |
176 | { | |
177 | // retrieves the primary particle number given its index in the list | |
178 | Int_t rv = -1 ; | |
fdebddeb | 179 | if ( (index <= fNprimary) && (index > 0)){ |
61e0abb5 | 180 | rv = fPrimary[index-1] ; |
181 | } | |
182 | ||
183 | return rv ; | |
184 | ||
185 | } | |
186 | ||
187 | //____________________________________________________________________________ | |
188 | Int_t AliEMCALDigit::GetIparent(Int_t index) const | |
189 | { | |
190 | // retrieves the primary particle number given its index in the list | |
191 | Int_t rv = -1 ; | |
192 | if ( index <= fNiparent ){ | |
193 | rv = fIparent[index-1] ; | |
194 | } | |
195 | ||
196 | return rv ; | |
197 | ||
198 | } | |
199 | ||
61e0abb5 | 200 | //____________________________________________________________________________ |
201 | void AliEMCALDigit::ShiftPrimary(Int_t shift){ | |
fdebddeb | 202 | //shifts primary number to BIG offset, to separate primary in different TreeK |
61e0abb5 | 203 | Int_t index ; |
204 | for(index = 0; index <fNprimary; index++ ){ | |
205 | fPrimary[index] = fPrimary[index]+ shift * 10000000 ;} | |
206 | for(index =0; index <fNiparent; index++){ | |
207 | fIparent[index] = fIparent[index] + shift * 10000000 ;} | |
208 | } | |
209 | //____________________________________________________________________________ | |
210 | Bool_t AliEMCALDigit::operator==(AliEMCALDigit const & digit) const | |
211 | { | |
212 | // Two digits are equal if they have the same Id | |
213 | ||
214 | if ( fId == digit.fId ) | |
215 | return kTRUE ; | |
216 | else | |
217 | return kFALSE ; | |
218 | } | |
219 | ||
220 | //____________________________________________________________________________ | |
221 | AliEMCALDigit& AliEMCALDigit::operator+(AliEMCALDigit const & digit) | |
222 | { | |
223 | // Adds the amplitude of digits and completes the list of primary particles | |
224 | // if amplitude is larger than | |
225 | ||
226 | fAmp += digit.fAmp ; | |
814ad4bf | 227 | if(fTime > digit.fTime) |
228 | fTime = digit.fTime ; | |
04f0bda3 | 229 | fTimeR = fTime ; |
7b62cd84 | 230 | |
61e0abb5 | 231 | Int_t max1 = fNprimary ; |
232 | Int_t max2 = fNiparent ; | |
233 | Int_t index ; | |
7b62cd84 | 234 | for (index = 0 ; index < digit.fNprimary ; index++){ |
61e0abb5 | 235 | Bool_t deja = kTRUE ; |
236 | Int_t old ; | |
237 | for ( old = 0 ; (old < max1) && deja; old++) { //already have this primary? | |
7b62cd84 | 238 | if(fPrimary[old] == digit.fPrimary[index]) |
61e0abb5 | 239 | deja = kFALSE; |
240 | } | |
241 | if(deja){ | |
7b62cd84 | 242 | if(max1<fNMaxPrimary){ fPrimary[max1] = digit.fPrimary[index] ; |
61e0abb5 | 243 | fNprimary++ ; |
7b62cd84 | 244 | max1++;} |
245 | if(fNprimary==fNMaxPrimary) { | |
8704424d | 246 | |
451bc3c5 | 247 | TString mess = " NMaxPrimary = " ; |
248 | mess += fNMaxPrimary ; | |
249 | mess += " is too small" ; | |
250 | Fatal("AliEMCALDigit::Operator+ -->" , mess.Data()) ; | |
8704424d | 251 | |
61e0abb5 | 252 | } |
253 | } | |
254 | } | |
255 | ||
256 | for (index = 0 ; index < digit.fNiparent ; index++){ | |
257 | Bool_t dejavu = kTRUE ; | |
258 | Int_t old ; | |
259 | for ( old = 0 ; (old < max2) && dejavu; old++) { //already have this primary? | |
7b62cd84 | 260 | if(fIparent[old] == digit.fIparent[index]) |
61e0abb5 | 261 | dejavu = kFALSE; |
262 | } | |
263 | if(dejavu){ | |
7b62cd84 | 264 | if(max2<fNMaxiparent){ fIparent[max2] = digit.fIparent[index] ; |
61e0abb5 | 265 | fNiparent++ ; |
7b62cd84 | 266 | max2++;} |
267 | if(fNiparent==fNMaxiparent) { | |
8704424d | 268 | |
451bc3c5 | 269 | TString mess = " NMaxiparent = " ; |
270 | mess += fNMaxiparent ; | |
271 | mess += " is too small" ; | |
272 | Fatal("AliEMCALDigit::Operator+ -->", mess.Data()) ; | |
8704424d | 273 | |
61e0abb5 | 274 | } |
275 | } | |
276 | } | |
277 | ||
278 | return *this ; | |
279 | } | |
280 | ||
563aa66c | 281 | //____________________________________________________________________________ |
282 | AliEMCALDigit& AliEMCALDigit::operator*(Float_t factor) | |
283 | { | |
284 | // Multiplies the amplitude by a factor | |
285 | ||
286 | Float_t tempo = static_cast<Float_t>(fAmp) ; | |
287 | tempo *= factor ; | |
288 | fAmp = static_cast<Int_t>(TMath::Ceil(tempo)) ; | |
289 | return *this ; | |
290 | } | |
291 | ||
61e0abb5 | 292 | //____________________________________________________________________________ |
293 | ostream& operator << ( ostream& out , const AliEMCALDigit & digit) | |
294 | { | |
295 | // Prints the data of the digit | |
296 | ||
814ad4bf | 297 | out << "ID " << digit.fId << " Energy = " << digit.fAmp << " Time = " << digit.fTime << endl ; |
61e0abb5 | 298 | Int_t i,j ; |
299 | for(i=0;i<digit.fNprimary;i++) | |
300 | out << "Primary " << i+1 << " = " << digit.fPrimary[i] << endl ; | |
301 | ||
302 | for(j=0;j<digit.fNiparent;j++) | |
303 | out << "Iparent " << j+1 << " = " << digit.fIparent[j] << endl ; | |
304 | out << "Position in list = " << digit.fIndexInList << endl ; | |
305 | return out ; | |
306 | } | |
307 | ||
308 |