* 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 <iostream>
-#include <cassert>
+#include <iostream.h>
// --- AliRoot header files ---
ClassImp(AliPHOSDigit)
//____________________________________________________________________________
- AliPHOSDigit::AliPHOSDigit() : fPrimary(0)
+ AliPHOSDigit::AliPHOSDigit()
{
+ // default ctor
+
+ fIndexInList = -1 ;
+ fNprimary = 0 ;
+ fNMaxPrimary = 5 ;
}
//____________________________________________________________________________
-AliPHOSDigit::AliPHOSDigit(Int_t primary, Int_t id, Int_t DigEnergy)
+AliPHOSDigit::AliPHOSDigit(Int_t primary, Int_t id, Int_t digEnergy, Float_t time, Int_t index)
{
- fId = id ;
- fAmp = DigEnergy ;
- fPrimary = new Int_t[1] ;
- fPrimary[0] = primary ;
- fNprimary = 1 ;
+ // ctor with all data
+
+ fNMaxPrimary = 5 ;
+ fAmp = digEnergy ;
+ fTime = time ;
+ fId = id ;
+ fIndexInList = index ;
+ if( primary != -1){
+ fNprimary = 1 ;
+ fPrimary[0] = primary ;
+ }
+ else{ //If the contribution of this primary smaller than fDigitThreshold (AliPHOSv1)
+ fNprimary = 0 ;
+ fPrimary[0] = -1 ;
+ }
+ Int_t i ;
+ for ( i = 1; i < fNMaxPrimary ; i++)
+ fPrimary[i] = -1 ;
}
//____________________________________________________________________________
AliPHOSDigit::AliPHOSDigit(const AliPHOSDigit & digit)
-{
- fId = digit.fId;
- fAmp = digit.fAmp ;
- fNprimary = digit.GetNprimary() ;
- fPrimary = new Int_t[fNprimary] ;
- Int_t * primary = digit.GetPrimary() ;
- Int_t index ;
- for ( index = 0 ; index < fNprimary ; index++ )
- fPrimary[index] = primary[index] ;
+{
+ // copy ctor
+
+
+ fNMaxPrimary = digit.fNMaxPrimary ;
+ Int_t i ;
+ for ( i = 0; i < fNMaxPrimary ; i++)
+ fPrimary[i] = digit.fPrimary[i] ;
+ fAmp = digit.fAmp ;
+ fTime = digit.fTime ;
+ fId = digit.fId;
+ fIndexInList = digit.fIndexInList ;
+ fNprimary = digit.fNprimary ;
}
//____________________________________________________________________________
-AliPHOSDigit::~AliPHOSDigit()
+AliPHOSDigit::~AliPHOSDigit()
{
- delete fPrimary ;
+ // Delete array of primiries if any
+
}
//____________________________________________________________________________
-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(Option_t *option) const
+{
+ printf("PHOS digit: Amp=%d, Id=%d\n",fAmp,fId);
+}
+//____________________________________________________________________________
+void AliPHOSDigit::ShiftPrimary(Int_t shift)
+{
+ //shifts primary number to BIG offset, to separate primary in different TreeK
+ Int_t index ;
+ for(index = 0; index <fNprimary; index ++ ){
+ fPrimary[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
//____________________________________________________________________________
AliPHOSDigit& AliPHOSDigit::operator+(AliPHOSDigit const & digit)
{
+ // Adds the amplitude of digits and completes the list of primary particles
+ // if amplitude is larger than
+
fAmp += digit.fAmp ;
+ if(fTime > digit.fTime)
+ fTime = digit.fTime ;
- Int_t * tempo = new Int_t[fNprimary] ;
- Int_t index ;
+ Int_t max1 = fNprimary ;
- Int_t oldfNprimary = fNprimary ;
-
- for ( index = 0 ; index < oldfNprimary ; index++ ){
- tempo[index] = fPrimary[index] ;
- }
-
- delete fPrimary ;
- fNprimary += digit.GetNprimary() ;
- fPrimary = new Int_t[fNprimary] ;
-
- for ( index = 0 ; index < oldfNprimary ; index++ ) {
- fPrimary[index] = tempo[index] ;
- }
-
- Int_t jndex = 0 ;
- for ( index = oldfNprimary ; index < fNprimary ; index++ ) {
- fPrimary[index] = digit.fPrimary[jndex] ;
- jndex++ ;
+ Int_t index ;
+ for (index = 0 ; index < digit.fNprimary ; index++){
+ Bool_t deja = kTRUE ;
+ Int_t old ;
+ for ( old = 0 ; (old < max1) && deja; old++) { //already have this primary?
+ if(fPrimary[old] == (digit.fPrimary)[index])
+ deja = kFALSE;
+ }
+ if(deja){
+ fPrimary[fNprimary] = (digit.fPrimary)[index] ;
+ fNprimary++ ;
+ if(fNprimary>fNMaxPrimary) {
+ cout << "AliPHOSDigit >> Increase NMaxPrimary "<< endl ;
+ return *this ;
+ }
+ }
}
-
+
return *this ;
}
//____________________________________________________________________________
ostream& operator << ( ostream& out , const AliPHOSDigit & digit)
{
- out << "ID " << digit.fId << " Energy = " << digit.fAmp ;
-
+ // 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 ;
return out ;
}
-//______________________________________________________________________________
-void AliPHOSDigit::Streamer(TBuffer &R__b)
-{
- assert(0==1) ;
- // Stream an object of class AliPHOSDigit.
- if (R__b.IsReading()) {
- Version_t R__v = R__b.ReadVersion(); if (R__v) { }
- AliDigitNew::Streamer(R__b);
- R__b.ReadArray(fPrimary);
- R__b >> fNprimary;
- } else {
- R__b.WriteVersion(AliPHOSDigit::IsA());
- AliDigitNew::Streamer(R__b);
- R__b.WriteArray(fPrimary, fNprimary);
- R__b << fNprimary;
-
- }
-}
-
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff