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   *
   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 /* $Id$ */
  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 <TH1F.h>
  29 #include <TH2F.h>
  30 #include <TFile.h>
  31 #include <TROOT.h>
  32
  33 #include "AliLog.h"
  34 #include "AliESD.h"
  35 #include "AliESDtrack.h"
  36
  37 #include "AliTRDCalPID.h"
  38 #include "AliTRDcalibDB.h"
  39
  40 ClassImp(AliTRDCalPID)
  41
  42 const Char_t* AliTRDCalPID::fPartName[AliPID::kSPECIES] = { "electron", "muon", "pion", "kaon", "proton"};
  43 const Char_t* AliTRDCalPID::fPartSymb[AliPID::kSPECIES] = { "EL", "MU", "PI", "KA", "PR"};
  44 Color_t AliTRDCalPID::fPartColor[AliPID::kSPECIES] = { kRed, kGreen, kBlue, kYellow, kMagenta};
  45 Float_t AliTRDCalPID::fTrackMomentum[kNMom]       = {
  46     0.6,  0.8,  1.0,  1.5,  2.0
  47    ,3.0,  4.0,  5.0,  6.0,  8.0, 10.0};
  48 Float_t AliTRDCalPID::fTrackMomentumBinning[kNMom+1]       = {
  49     0.5,  0.7,  0.9,  1.25, 1.75, 2.5,
  50     3.5,  4.5,  5.5,  7.0,  9.0, 12.0};
  51
  52 //_________________________________________________________________________
  53 AliTRDCalPID::AliTRDCalPID()
  54   :TNamed("pid", "PID for TRD")
  55   ,fModel(0x0)
  56 {
  57   //
  58   //  The Default constructor
  59   //
  60
  61 }
  62
  63 //_____________________________________________________________________________
  64 AliTRDCalPID::AliTRDCalPID(const Text_t *name, const Text_t *title)
  65   :TNamed(name,title)
  66   ,fModel(0x0)
  67 {
  68   //
  69   //  The main constructor
  70   //
  71
  72 }
  73
  74 //_________________________________________________________________________
  75 AliTRDCalPID::~AliTRDCalPID()
  76 {
  77   //
  78   // Destructor
  79   //
  80
  81   if (fModel) {
  82     delete fModel;
  83   }
  84
  85 }
  86
  87 //_________________________________________________________________________
  88 Int_t AliTRDCalPID::GetPartIndex(Int_t pdg)
  89 {
  90   for(Int_t is=0; is<AliPID::kSPECIES; is++){
  91     if(TMath::Abs(pdg) == AliPID::ParticleCode(is)) return is;
  92   }
  93   return -1;
  94 }