ANALYSIS/TenderSupplies/AliPIDTenderSupply.cxx

   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
  16
  17 ///////////////////////////////////////////////////////////////////////////////
  18 //                                                                           //
  19 // PID tender: Do combined PID                                               //
  20 //                                                                           //
  21 //                                                                           //
  22 ///////////////////////////////////////////////////////////////////////////////
  23
  24
  25 #include <AliESDpid.h>
  26 #include <AliESDEvent.h>
  27 #include <AliESDInputHandler.h>
  28 #include "AliTender.h"
  29
  30 #include "AliPIDTenderSupply.h"
  31
  32 ClassImp(AliPIDTenderSupply)
  33
  34 AliPIDTenderSupply::AliPIDTenderSupply() :
  35   AliTenderSupply(),
  36   fCachePID(kFALSE)
  37 {
  38   //
  39   // default ctor
  40   //
  41 }
  42
  43 //_____________________________________________________
  44 AliPIDTenderSupply::AliPIDTenderSupply(const char *name, const AliTender *tender) :
  45   AliTenderSupply(name,tender),
  46   fCachePID(kFALSE)
  47 {
  48   //
  49   // named ctor
  50   //
  51 }
  52
  53 //_____________________________________________________
  54 void AliPIDTenderSupply::ProcessEvent()
  55 {
  56   //
  57   // Combine PID information
  58   //
  59
  60   AliESDEvent *event=fTender->GetEvent();
  61   if (!event) return;
  62
  63   AliESDpid *pid=fTender->GetESDhandler()->GetESDpid();
  64   if (!pid) return;
  65   // chache pid if requested
  66   if (fCachePID) {
  67     pid->FillTrackDetectorPID();
  68   }
  69
  70   //
  71   // recalculate combined PID probabilities
  72   //
  73   Int_t ntracks=event->GetNumberOfTracks();
  74   for(Int_t itrack = 0; itrack < ntracks; itrack++)
  75     pid->CombinePID(event->GetTrack(itrack));
  76
  77 }