/**************************************************************************
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* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
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* *
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* Author: The ALICE Off-line Project. *
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* Contributors are mentioned in the code where appropriate. *
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* *
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* Permission to use, copy, modify and distribute this software and its *
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* documentation strictly for non-commercial purposes is hereby granted *
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* without fee, provided that the above copyright notice appears in all *
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* copies and that both the copyright notice and this permission notice *
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* appear in the supporting documentation. The authors make no claims *
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* about the suitability of this software for any purpose. It is *
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* provided "as is" without express or implied warranty. *
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**************************************************************************/
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/* $Id: */
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//_________________________________________________________________________
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// EMCAL digit:
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// A Digit is the sum of the energy lost in an EMCAL Tower
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// It also stores information on Primary, and enterring particle
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// tracknumbers Digits are created using AliEMCALSDigitizer, followed
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// by AliEMCALDigitizer
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//
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//*-- Author: Sahal Yacoob (LBL)
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// based on : AliPHOSDigit
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//__________________________________________________________________________
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// --- ROOT system ---
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// --- Standard library ---
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-#include <iostream.h>
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+#include <Riostream.h>
// --- AliRoot header files ---
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#include "AliEMCALDigit.h"
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#include "AliEMCALGeometry.h"
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#include "AliEMCALGetter.h"
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ClassImp(AliEMCALDigit)
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//____________________________________________________________________________
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AliEMCALDigit::AliEMCALDigit()
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{
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// default ctor
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fIndexInList = 0 ;
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fNprimary = 0 ;
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fNMaxPrimary = 0 ;
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fNiparent = 0 ;
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fNMaxiparent = 0;
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fPrimary = 0 ;
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fIparent = 0 ;
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fMaxIter = 0;
}
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//____________________________________________________________________________
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AliEMCALDigit::AliEMCALDigit(Int_t primary, Int_t iparent, Int_t id, Int_t DigEnergy, Float_t time, Int_t index)
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{
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// ctor with all data
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- fNMaxPrimary = 5 ;
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- fNMaxiparent = 40 ;
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+ fNMaxPrimary = 25 ;
+ fNMaxiparent = 150 ;
fPrimary = new Int_t[fNMaxPrimary] ;
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fIparent = new Int_t[fNMaxiparent] ;
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fAmp = DigEnergy ;
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fTime = time ;
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fId = id ;
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fIndexInList = index ;
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fMaxIter = 5;
if( primary != -1){
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fNprimary = 1 ;
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fPrimary[0] = primary ;
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fNiparent = 1 ;
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fIparent[0] = iparent ;
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}
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else{ //If the contribution of this primary smaller than fDigitThreshold (AliEMCALv1)
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fNprimary = 0 ;
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fPrimary[0] = -1 ;
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fNiparent = 0 ;
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fIparent[0] = -1 ;
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}
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Int_t i ;
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for ( i = 1; i < fNMaxPrimary ; i++)
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fPrimary[i] = -1 ;
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for ( i =1; i< fNMaxiparent ; i++)
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fIparent[i] = -1 ;
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}
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//____________________________________________________________________________
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AliEMCALDigit::AliEMCALDigit(const AliEMCALDigit & digit)
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{
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// copy ctor
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fNMaxPrimary = digit.fNMaxPrimary ;
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fNMaxiparent = digit.fNMaxiparent ;
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fPrimary = new Int_t[fNMaxPrimary] ;
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fIparent = new Int_t[fNMaxiparent] ;
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Int_t i ;
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for ( i = 0; i < fNMaxPrimary ; i++)
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fPrimary[i] = digit.fPrimary[i] ;
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Int_t j ;
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for (j = 0; j< fNMaxiparent ; j++)
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fIparent[j] = digit.fIparent[j] ;
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fAmp = digit.fAmp ;
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fTime = digit.fTime ;
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fId = digit.fId;
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fMaxIter = digit.fMaxIter;
fIndexInList = digit.fIndexInList ;
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fNprimary = digit.fNprimary ;
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fNiparent = digit.fNiparent ;
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}
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//____________________________________________________________________________
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AliEMCALDigit::~AliEMCALDigit()
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{
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// Delete array of primiries if any
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delete [] fPrimary ;
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delete [] fIparent ;
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}
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//____________________________________________________________________________
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Int_t AliEMCALDigit::Compare(const TObject * obj) const
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{
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// Compares two digits with respect to its Id
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// to sort according increasing Id
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Int_t rv ;
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AliEMCALDigit * digit = (AliEMCALDigit *)obj ;
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Int_t iddiff = fId - digit->GetId() ;
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if ( iddiff > 0 )
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rv = 1 ;
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else if ( iddiff < 0 )
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rv = -1 ;
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else
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rv = 0 ;
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return rv ;
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}
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//____________________________________________________________________________
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const Float_t AliEMCALDigit::GetEta() const
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{
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Float_t eta=-10., phi=-10.;
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Int_t id = GetId();
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const AliEMCALGeometry *g = AliEMCALGetter::GetInstance()->EMCALGeometry();
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g->EtaPhiFromIndex(id,eta,phi);
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return eta ;
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}
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//____________________________________________________________________________
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const Float_t AliEMCALDigit::GetPhi() const
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{
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Float_t eta=-10., phi=-10.;
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Int_t id = GetId();
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const AliEMCALGeometry *g = AliEMCALGetter::GetInstance()->EMCALGeometry();
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g->EtaPhiFromIndex(id,eta,phi);
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return phi ;
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}
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//____________________________________________________________________________
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Int_t AliEMCALDigit::GetPrimary(Int_t index) const
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{
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// retrieves the primary particle number given its index in the list
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Int_t rv = -1 ;
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if ( index <= fNprimary && index > 0){
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rv = fPrimary[index-1] ;
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}
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return rv ;
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}
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//____________________________________________________________________________
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Int_t AliEMCALDigit::GetIparent(Int_t index) const
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{
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// retrieves the primary particle number given its index in the list
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Int_t rv = -1 ;
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if ( index <= fNiparent ){
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rv = fIparent[index-1] ;
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}
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return rv ;
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}
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//______________________________________________________________________
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const Bool_t AliEMCALDigit::IsInPreShower() const
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{
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Bool_t rv = kFALSE ;
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const AliEMCALGeometry * geom = AliEMCALGetter::GetInstance()->EMCALGeometry() ;
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if( GetId() > (geom->GetNZ() * geom->GetNPhi() ))
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rv = kTRUE;
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return rv;
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}
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//____________________________________________________________________________
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void AliEMCALDigit::ShiftPrimary(Int_t shift){
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//shifts primary nimber to BIG offset, to separate primary in different TreeK
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Int_t index ;
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for(index = 0; index <fNprimary; index++ ){
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fPrimary[index] = fPrimary[index]+ shift * 10000000 ;}
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for(index =0; index <fNiparent; index++){
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fIparent[index] = fIparent[index] + shift * 10000000 ;}
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}
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//____________________________________________________________________________
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Bool_t AliEMCALDigit::operator==(AliEMCALDigit const & digit) const
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{
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// Two digits are equal if they have the same Id
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if ( fId == digit.fId )
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return kTRUE ;
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else
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return kFALSE ;
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}
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//____________________________________________________________________________
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AliEMCALDigit& AliEMCALDigit::operator+(AliEMCALDigit const & digit)
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{
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// Adds the amplitude of digits and completes the list of primary particles
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// if amplitude is larger than
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fAmp += digit.fAmp ;
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if(fTime > digit.fTime)
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fTime = digit.fTime ;
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Int_t max1 = fNprimary ;
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Int_t max2 = fNiparent ;
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Int_t index ;
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for (index = 0 ; index < digit.fNprimary ; index++){
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Bool_t deja = kTRUE ;
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Int_t old ;
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for ( old = 0 ; (old < max1) && deja; old++) { //already have this primary?
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if(fPrimary[old] == digit.fPrimary[index])
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deja = kFALSE;
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}
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if(deja){
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if(max1<fNMaxPrimary){ fPrimary[max1] = digit.fPrimary[index] ;
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fNprimary++ ;
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max1++;}
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if(fNprimary==fNMaxPrimary) {
- fNMaxPrimary += fMaxIter ;
- Int_t tempo[fNprimary] ;
- Int_t i ;
- for (i=0; i < fNprimary; i++)
- tempo[i] = fPrimary[i] ;
- delete [] fPrimary ;
- fPrimary = new Int_t[fNMaxPrimary];
- for (i=0; i < fNprimary; i++)
- fPrimary[i] = tempo[i] ;
- //delete [] tempo ;
- for (i=fNprimary; i < fNMaxPrimary; i++)
- fPrimary[i] = -1 ;
-cout << "AliEMCALDigit >> NMaxPrimary has been increased to "<< fNMaxPrimary << endl ;
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- return *this ;
+ TString mess = " NMaxPrimary = " ;
+ mess += fNMaxPrimary ;
+ mess += " is too small" ;
+ Fatal("AliEMCALDigit::Operator+ -->" , mess.Data()) ;
}
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}
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}
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for (index = 0 ; index < digit.fNiparent ; index++){
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Bool_t dejavu = kTRUE ;
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Int_t old ;
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for ( old = 0 ; (old < max2) && dejavu; old++) { //already have this primary?
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if(fIparent[old] == digit.fIparent[index])
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dejavu = kFALSE;
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}
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if(dejavu){
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if(max2<fNMaxiparent){ fIparent[max2] = digit.fIparent[index] ;
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fNiparent++ ;
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max2++;}
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if(fNiparent==fNMaxiparent) {
- fNMaxiparent += fMaxIter ;
- Int_t tempo[fNiparent] ;
- Int_t i ;
- for (i=0; i < fNiparent; i++)
- tempo[i] = fIparent[i] ;
- delete [] fIparent ;
- fIparent = new Int_t[fNMaxiparent];
- for (i=0; i < fNiparent; i++)
- fIparent[i] = tempo[i] ;
- // delete [] tempo ;
- for (i=fNiparent; i < fNMaxiparent; i++)
- fIparent[i] = -1 ;
- cout << "AliEMCALDigit >> Increasing fNMaxiparent to " << fNMaxiparent << endl ;
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- return *this ;
+ TString mess = " NMaxiparent = " ;
+ mess += fNMaxiparent ;
+ mess += " is too small" ;
+ Fatal("AliEMCALDigit::Operator+ -->", mess.Data()) ;
}
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}
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}
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return *this ;
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}
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//____________________________________________________________________________
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AliEMCALDigit& AliEMCALDigit::operator*(Float_t factor)
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{
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// Multiplies the amplitude by a factor
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Float_t tempo = static_cast<Float_t>(fAmp) ;
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tempo *= factor ;
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fAmp = static_cast<Int_t>(TMath::Ceil(tempo)) ;
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return *this ;
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}
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//____________________________________________________________________________
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ostream& operator << ( ostream& out , const AliEMCALDigit & digit)
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{
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// Prints the data of the digit
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out << "ID " << digit.fId << " Energy = " << digit.fAmp << " Time = " << digit.fTime << endl ;
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Int_t i,j ;
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for(i=0;i<digit.fNprimary;i++)
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out << "Primary " << i+1 << " = " << digit.fPrimary[i] << endl ;
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for(j=0;j<digit.fNiparent;j++)
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out << "Iparent " << j+1 << " = " << digit.fIparent[j] << endl ;
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out << "Position in list = " << digit.fIndexInList << endl ;
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return out ;
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}
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git://git.uio.no / u / mrichter / AliRoot.git / blobdiff