1 /**************************************************************************
2 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
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 **************************************************************************/
18 /* History of cvs commits:
21 * Revision 1.39 2006/04/22 15:04:24 hristov
22 * Effective C++ initialization of data members in the default constructor
24 * Revision 1.38 2006/04/22 10:30:17 hristov
25 * Add fEnergy to AliPHOSDigit and operate with EMC amplitude in energy units (Yu.Kharlov)
27 * Revision 1.37 2005/05/28 14:19:04 schutz
28 * Compilation warnings fixed by T.P.
32 //_________________________________________________________________________
35 // 3 identifiers for the primary particle(s) at the origine of the digit
36 // The digits are made in FinishEvent() by summing all the hits in a single PHOS crystal or PPSD gas cell
38 //*-- Author: Laurent Aphecetche & Yves Schutz (SUBATECH) & Dmitri Peressounko (RRC KI & SUBATECH)
41 // --- ROOT system ---
45 // --- Standard library ---
47 // --- AliRoot header files ---
49 #include "AliPHOSDigit.h"
54 ClassImp(AliPHOSDigit)
56 //____________________________________________________________________________
57 AliPHOSDigit::AliPHOSDigit() :
72 //____________________________________________________________________________
73 AliPHOSDigit::AliPHOSDigit(Int_t primary, Int_t id, Int_t digEnergy, Float_t time, Int_t index) :
91 fIndexInList = index ;
94 fPrimary = new Int_t[fNprimary] ;
95 fPrimary[0] = primary ;
97 else{ //If the contribution of this primary smaller than fDigitThreshold (AliPHOSv1)
103 //____________________________________________________________________________
104 AliPHOSDigit::AliPHOSDigit(Int_t primary, Int_t id, Float_t energy, Float_t time, Int_t index) :
115 // ctor with all data
122 fIndexInList = index ;
125 fPrimary = new Int_t[fNprimary] ;
126 fPrimary[0] = primary ;
128 else{ //If the contribution of this primary smaller than fDigitThreshold (AliPHOSv1)
134 //____________________________________________________________________________
135 AliPHOSDigit::AliPHOSDigit(const AliPHOSDigit & digit) :
137 fNprimary(digit.fNprimary),
139 fEnergy(digit.fEnergy),
141 fTimeR(digit.fTimeR),
149 fPrimary = new Int_t[fNprimary] ;
150 for (Int_t i = 0; i < fNprimary ; i++)
151 fPrimary[i] = digit.fPrimary[i] ;
157 fIndexInList = digit.fIndexInList ;
160 //____________________________________________________________________________
161 AliPHOSDigit::~AliPHOSDigit()
163 // Delete array of primaries if any
164 if (fPrimary) delete [] fPrimary ;
165 // Delete arrays of ALTRO samples if any
166 if (fSamplesHG) delete [] fSamplesHG;
167 if (fSamplesLG) delete [] fSamplesLG;
170 //____________________________________________________________________________
171 Int_t AliPHOSDigit::Compare(const TObject * obj) const
173 // Compares two digits with respect to its Id
174 // to sort according increasing Id
178 AliPHOSDigit * digit = (AliPHOSDigit *)obj ;
180 Int_t iddiff = fId - digit->GetId() ;
184 else if ( iddiff < 0 )
193 //____________________________________________________________________________
194 Int_t AliPHOSDigit::GetPrimary(Int_t index) const
196 // retrieves the primary particle number given its index in the list
198 if ( index <= fNprimary && index > 0){
199 rv = fPrimary[index-1] ;
206 //____________________________________________________________________________
207 void AliPHOSDigit::SetALTROSamplesHG(Int_t nSamplesHG, Int_t *samplesHG)
209 fNSamplesHG = nSamplesHG;
210 if (fSamplesHG) delete [] fSamplesHG;
211 fSamplesHG = new UShort_t[fNSamplesHG];
213 for (i=0; i<fNSamplesHG; i++) {
214 fSamplesHG[i] = samplesHG[i];
217 //____________________________________________________________________________
218 void AliPHOSDigit::SetALTROSamplesLG(Int_t nSamplesLG, Int_t *samplesLG)
220 fNSamplesLG = nSamplesLG;
221 if (fSamplesLG) delete [] fSamplesLG;
222 fSamplesLG = new UShort_t[fNSamplesLG];
224 for (i=0; i<fNSamplesLG; i++) {
225 fSamplesLG[i] = samplesLG[i];
228 //____________________________________________________________________________
229 void AliPHOSDigit::Print(const Option_t *) const
231 // Print the digit together with list of primaries
232 TString line = Form("PHOS digit: E=%.3f, Id=%d, Time=%.3e, TimeR=%.3e, NPrim=%d, nHG=%d, nLG=%d \n",
233 fEnergy,fId,fTime,fTimeR,fNprimary,fNSamplesHG,fNSamplesLG);
234 line += "\tList of primaries: ";
235 for (Int_t index = 0; index <fNprimary; index ++ )
236 line += Form(" %d ",fPrimary[index]);
238 line += "\tSamples HG: ";
239 for (Int_t i = 0; i <fNSamplesHG; i++)
240 line += Form(" %d ",fSamplesHG[i]);
242 line += "\tSamples LG: ";
243 for (Int_t i = 0; i <fNSamplesLG; i++)
244 line += Form(" %d ",fSamplesLG[i]);
248 //____________________________________________________________________________
249 void AliPHOSDigit::ShiftPrimary(Int_t shift)
251 //shifts primary number to BIG offset, to separate primary in different TreeK
252 for(Int_t index = 0; index <fNprimary; index ++ ){
253 fPrimary[index]+= shift ;
256 //____________________________________________________________________________
257 Bool_t AliPHOSDigit::operator==(AliPHOSDigit const & digit) const
259 // Two digits are equal if they have the same Id
261 if ( fId == digit.fId )
267 //____________________________________________________________________________
268 AliPHOSDigit& AliPHOSDigit::operator+=(AliPHOSDigit const & digit)
271 // Adds the amplitude of digits and completes the list of primary particles
272 if(digit.fNprimary>0){
273 Int_t *tmp = new Int_t[fNprimary+digit.fNprimary] ;
274 if(fAmp < digit.fAmp || fEnergy < digit.fEnergy){//most energetic primary in second digit => first primaries in list from second digit
275 for (Int_t index = 0 ; index < digit.fNprimary ; index++)
276 tmp[index]=(digit.fPrimary)[index] ;
277 for (Int_t index = 0 ; index < fNprimary ; index++)
278 tmp[index+digit.fNprimary]=fPrimary[index] ;
280 else{ //add new primaries to the end
281 for (Int_t index = 0 ; index < fNprimary ; index++)
282 tmp[index]=fPrimary[index] ;
283 for (Int_t index = 0 ; index < digit.fNprimary ; index++)
284 tmp[index+fNprimary]=(digit.fPrimary)[index] ;
290 fNprimary+=digit.fNprimary ;
292 fEnergy += digit.fEnergy ;
293 if(fTime > digit.fTime)
294 fTime = digit.fTime ;
297 // Add high-gain ALTRO samples
299 if (digit.fNSamplesHG > fNSamplesHG) {
300 UShort_t newNSamplesHG = digit.fNSamplesHG;
301 UShort_t *newSamplesHG = new UShort_t[newNSamplesHG];
302 for (i=0; i<newNSamplesHG; i++) {
304 newSamplesHG[i] = TMath::Max(1023,fSamplesHG[i] + (digit.fSamplesHG)[i]);
306 newSamplesHG[i] = (digit.fSamplesHG)[i];
308 delete [] fSamplesHG;
309 fSamplesHG = new UShort_t[newNSamplesHG];
310 for (i=0; i<newNSamplesHG; i++) {
311 fSamplesHG[i] = newSamplesHG[i];
313 delete [] newSamplesHG;
316 for (i=0; i<fNSamplesHG; i++)
317 fSamplesHG[i] = TMath::Max(1023,fSamplesHG[i] + (digit.fSamplesHG)[i]);
320 // Add low-gain ALTRO samples
321 if (digit.fNSamplesLG > fNSamplesLG) {
322 UShort_t newNSamplesLG = digit.fNSamplesLG;
323 UShort_t *newSamplesLG = new UShort_t[newNSamplesLG];
324 for (i=0; i<newNSamplesLG; i++) {
326 newSamplesLG[i] = TMath::Max(1023,fSamplesLG[i] + (digit.fSamplesLG)[i]);
328 newSamplesLG[i] = (digit.fSamplesLG)[i];
330 delete [] fSamplesLG;
331 fSamplesLG = new UShort_t[newNSamplesLG];
332 for (i=0; i<newNSamplesLG; i++) {
333 fSamplesLG[i] = newSamplesLG[i];
335 delete [] newSamplesLG;
338 for (i=0; i<fNSamplesLG; i++)
339 fSamplesLG[i] = TMath::Max(1023,fSamplesLG[i] + (digit.fSamplesLG)[i]);
344 //____________________________________________________________________________
345 AliPHOSDigit& AliPHOSDigit::operator *= (Float_t factor)
347 // Multiplies the amplitude by a factor
349 Float_t tempo = static_cast<Float_t>(fAmp) ;
351 fAmp = static_cast<Int_t>(TMath::Ceil(tempo)) ;
355 //____________________________________________________________________________
356 ostream& operator << ( ostream& out , const AliPHOSDigit & digit)
358 // Prints the data of the digit
360 // out << "ID " << digit.fId << " Energy = " << digit.fAmp << " Time = " << digit.fTime << endl ;
362 // for(i=0;i<digit.fNprimary;i++)
363 // out << "Primary " << i+1 << " = " << digit.fPrimary[i] << endl ;
364 // out << "Position in list = " << digit.fIndexInList << endl ;
365 digit.Warning("operator <<", "Implement differently") ;