* provided "as is" without express or implied warranty. *
**************************************************************************/
+/* $Id$ */
+
//_________________________________________________________________________
-// Digit class for PHOS that contains an absolute ID and an energy
-//*-- Author : Laurent Aphecetche SUBATECH
-//////////////////////////////////////////////////////////////////////////////
+// PHOS digit: Id
+// energy
+// 3 identifiers for the primary particle(s) at the origine of the digit
+// The digits are made in FinishEvent() by summing all the hits in a single PHOS crystal or PPSD gas cell
+//
+//*-- Author: Laurent Aphecetche & Yves Schutz (SUBATECH) & Dmitri Peressounko (RRC KI & SUBATECH)
+
// --- ROOT system ---
-// --- Standard library ---
+#include "TMath.h"
-#include <iostream>
+// --- Standard library ---
// --- AliRoot header files ---
#include "AliPHOSDigit.h"
+
+
ClassImp(AliPHOSDigit)
//____________________________________________________________________________
-AliPHOSDigit::AliPHOSDigit(Int_t id, Int_t DigEnergy) : AliDigitNew( ), fId(id),fAmp(DigEnergy)
-{
- // This part should be a true Digitization, but is not for the moment.
- // fAmp = energy ;
- fId = id;
- fAmp = DigEnergy ;
+ AliPHOSDigit::AliPHOSDigit()
+{
+ // default ctor
+
+ fIndexInList = -1 ;
+ fNprimary = 0 ;
+ fPrimary = 0;
+ fTime = 0. ;
+ fTimeR = 0. ;
}
//____________________________________________________________________________
-Bool_t AliPHOSDigit::operator==(AliPHOSDigit const &Digit) const
-{
- if ( fId == Digit.fId )
- return kTRUE ;
- else
- return kFALSE ;
+AliPHOSDigit::AliPHOSDigit(Int_t primary, Int_t id, Int_t digEnergy, Float_t time, Int_t index)
+{
+ // ctor with all data
+
+ fAmp = digEnergy ;
+ fTime = time ;
+ fTimeR = fTime ;
+ fId = id ;
+ fIndexInList = index ;
+ if( primary != -1){
+ fNprimary = 1 ;
+ fPrimary = new Int_t[fNprimary] ;
+ fPrimary[0] = primary ;
+ }
+ else{ //If the contribution of this primary smaller than fDigitThreshold (AliPHOSv1)
+ fNprimary = 0 ;
+ fPrimary = 0 ;
+ }
}
//____________________________________________________________________________
-AliPHOSDigit& AliPHOSDigit::operator+(AliPHOSDigit const &Digit)
+AliPHOSDigit::AliPHOSDigit(const AliPHOSDigit & digit) : AliDigitNew(digit)
{
- fAmp += Digit.fAmp ;
-
- return *this ;
+ // copy ctor
+
+ fNprimary = digit.fNprimary ;
+ if(fNprimary){
+ fPrimary = new Int_t[fNprimary] ;
+ for (Int_t i = 0; i < fNprimary ; i++)
+ fPrimary[i] = digit.fPrimary[i] ;
+ }
+ else
+ fPrimary = 0 ;
+ fAmp = digit.fAmp ;
+ fTime = digit.fTime ;
+ fTimeR = digit.fTimeR ;
+ fId = digit.fId;
+ fIndexInList = digit.fIndexInList ;
}
//____________________________________________________________________________
-ostream& operator << ( ostream& out , const AliPHOSDigit& Digit)
+AliPHOSDigit::~AliPHOSDigit()
{
- out << "ID " << Digit.fId << " Energy = " << Digit.fAmp ;
-
- return out ;
+ // Delete array of primiries if any
+ if(fPrimary)
+ delete [] fPrimary ;
}
//____________________________________________________________________________
-Int_t AliPHOSDigit::Compare(TObject * obj)
+Int_t AliPHOSDigit::Compare(const TObject * obj) const
{
- Int_t rv ;
+ // Compares two digits with respect to its Id
+ // to sort according increasing Id
+
+ Int_t rv ;
AliPHOSDigit * digit = (AliPHOSDigit *)obj ;
return rv ;
}
+
+//____________________________________________________________________________
+Int_t AliPHOSDigit::GetPrimary(Int_t index) const
+{
+ // retrieves the primary particle number given its index in the list
+ Int_t rv = -1 ;
+ if ( index <= fNprimary && index > 0){
+ rv = fPrimary[index-1] ;
+ }
+
+ return rv ;
+
+}
+//____________________________________________________________________________
+void AliPHOSDigit::Print() const
+{
+ // Print the digit together with list of primaries
+ printf("PHOS digit: Amp=%d, Id=%d, Time=%e, TimeR=%e, NPrim=%d ",fAmp,fId,fTime,fTimeR,fNprimary);
+ for(Int_t index = 0; index <fNprimary; index ++ )
+ printf(" %d ",fPrimary[index]);
+ printf("\n") ;
+}
+//____________________________________________________________________________
+void AliPHOSDigit::ShiftPrimary(Int_t shift)
+{
+ //shifts primary number to BIG offset, to separate primary in different TreeK
+ for(Int_t index = 0; index <fNprimary; index ++ ){
+ fPrimary[index]+= shift ;
+ }
+}
+//____________________________________________________________________________
+Bool_t AliPHOSDigit::operator==(AliPHOSDigit const & digit) const
+{
+ // Two digits are equal if they have the same Id
+
+ if ( fId == digit.fId )
+ return kTRUE ;
+ else
+ return kFALSE ;
+}
+
+//____________________________________________________________________________
+AliPHOSDigit& AliPHOSDigit::operator+(AliPHOSDigit const & digit)
+{
+
+ // Adds the amplitude of digits and completes the list of primary particles
+ if(digit.fNprimary>0){
+ Int_t *tmp = new Int_t[fNprimary+digit.fNprimary] ;
+ if(fAmp < digit.fAmp){//most energetic primary in second digit => first primaries in list from second digit
+ for (Int_t index = 0 ; index < digit.fNprimary ; index++)
+ tmp[index]=(digit.fPrimary)[index] ;
+ for (Int_t index = 0 ; index < fNprimary ; index++)
+ tmp[index+digit.fNprimary]=fPrimary[index] ;
+ }
+ else{ //add new primaries to the end
+ for (Int_t index = 0 ; index < fNprimary ; index++)
+ tmp[index]=fPrimary[index] ;
+ for (Int_t index = 0 ; index < digit.fNprimary ; index++)
+ tmp[index+fNprimary]=(digit.fPrimary)[index] ;
+ }
+ if(fPrimary)
+ delete []fPrimary ;
+ fPrimary = tmp ;
+ }
+ fNprimary+=digit.fNprimary ;
+ fAmp += digit.fAmp ;
+ if(fTime > digit.fTime)
+ fTime = digit.fTime ;
+ fTimeR = fTime ;
+ return *this ;
+}
+//____________________________________________________________________________
+AliPHOSDigit& AliPHOSDigit::operator*(Float_t factor)
+{
+ // Multiplies the amplitude by a factor
+
+ Float_t tempo = static_cast<Float_t>(fAmp) ;
+ tempo *= factor ;
+ fAmp = static_cast<Int_t>(TMath::Ceil(tempo)) ;
+ return *this ;
+}
+
+//____________________________________________________________________________
+ostream& operator << ( ostream& out , const AliPHOSDigit & digit)
+{
+ // Prints the data of the digit
+
+// out << "ID " << digit.fId << " Energy = " << digit.fAmp << " Time = " << digit.fTime << endl ;
+// Int_t i ;
+// for(i=0;i<digit.fNprimary;i++)
+// out << "Primary " << i+1 << " = " << digit.fPrimary[i] << endl ;
+// out << "Position in list = " << digit.fIndexInList << endl ;
+ digit.Warning("operator <<", "Implement differently") ;
+ return out ;
+}
+
+
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff