TRD/Cal/AliTRDCalPID.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   *
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  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 /* $Id$ */
  17
  18 //////////////////////////////////////////////////////////////////////////
  19 //                                                                      //
  20 // Container for PID information                                        //
  21 //                                                                      //
  22 // Authors:                                                             //
  23 //   Prashant Shukla <shukla@pi0.physi.uni-heidelberg.de>               //
  24 //   Alex Bercuci <a.bercuci@gsi.de>                                    //
  25 //                                                                      //
  26 //////////////////////////////////////////////////////////////////////////
  27
  28 #include <TObjArray.h>
  29
  30 #include "AliTRDCalPID.h"
  31
  32 ClassImp(AliTRDCalPID)
  33
  34 const Char_t* AliTRDCalPID::fPartName[AliPID::kSPECIES]     = { "electron", "muon", "pion", "kaon", "proton"};
  35 const Char_t* AliTRDCalPID::fPartSymb[AliPID::kSPECIES]     = { "EL", "MU", "PI", "KA", "PR"};
  36 Color_t       AliTRDCalPID::fgPartColor[AliPID::kSPECIES]   = { kRed, kGreen, kBlue, kYellow, kMagenta};
  37 Float_t       AliTRDCalPID::fgTrackMomentum[kNMom]          = {   0.6,   0.8,   1.0,   1.5,   2.0
  38                                                               ,   3.0,   4.0,   5.0,   6.0,   8.0,  10.0  };
  39 Float_t       AliTRDCalPID::fgTrackMomentumBinning[kNMom+1] = {   0.5,   0.7,   0.9,   1.25,  1.75,  2.5
  40                                                               ,   3.5,   4.5,   5.5,   7.0,   9.0,  12.0  };
  41
  42 //_________________________________________________________________________
  43 AliTRDCalPID::AliTRDCalPID()
  44   :TNamed("pid", "PID for TRD")
  45   ,fModel(0x0)
  46 {
  47   //
  48   //  The Default constructor
  49   //
  50
  51 }
  52
  53 //_____________________________________________________________________________
  54 AliTRDCalPID::AliTRDCalPID(const Text_t *name, const Text_t *title)
  55   :TNamed(name,title)
  56   ,fModel(0x0)
  57 {
  58   //
  59   //  The main constructor
  60   //
  61
  62 }
  63
  64 //_________________________________________________________________________
  65 AliTRDCalPID::~AliTRDCalPID()
  66 {
  67   //
  68   // Destructor
  69   //
  70
  71   if (fModel) {
  72     delete fModel;
  73   }
  74
  75 }
  76
  77 //_________________________________________________________________________
  78 Int_t AliTRDCalPID::GetPartIndex(Int_t pdg)
  79 {
  80   //
  81   // Return the index to a given particle, defined by its PDG code
  82   //
  83
  84   for(Int_t is=0; is<AliPID::kSPECIES; is++){
  85     if(TMath::Abs(pdg) == AliPID::ParticleCode(is)) return is;
  86   }
  87   return -1;
  88 }