PHOS/AliPHOSTrackSegment.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 /* $Id$ */
  16
  17 /* History of cvs commits:
  18  *
  19  * $Log$
  20  * Revision 1.30  2006/08/28 10:01:56  kharlov
  21  * Effective C++ warnings fixed (Timur Pocheptsov)
  22  *
  23  * Revision 1.29  2005/05/28 14:19:05  schutz
  24  * Compilation warnings fixed by T.P.
  25  *
  26  */
  27
  28 //_________________________________________________________________________
  29 //  Track segment in PHOS
  30 //  Can be : 1 EmcRecPoint
  31 //           1 EmcRecPoint + 1 CPV
  32 //           1 EmcRecPoint + 1 CPV + 1 charged track
  33 //
  34 //*-- Author:  Dmitri Peressounko (RRC KI & SUBATECH)
  35
  36 // --- ROOT system ---
  37
  38
  39 // --- Standard library ---
  40
  41 // --- AliRoot header files ---
  42 #include "AliPHOSEmcRecPoint.h"
  43 #include "AliPHOSTrackSegment.h"
  44 #include "AliESDtrack.h"
  45 #include "AliLog.h"
  46
  47 ClassImp(AliPHOSTrackSegment)
  48
  49 //____________________________________________________________________________
  50 AliPHOSTrackSegment::AliPHOSTrackSegment()
  51                         : fEmcRecPoint(0),
  52                           fIndexInList(0),
  53                           fCpvRecPoint(0),
  54                           fTrack(0)
  55 {
  56   //def ctor
  57   fDcpv[0]=999. ;
  58   fDcpv[1]=999. ;
  59 }
  60
  61 //____________________________________________________________________________
  62 AliPHOSTrackSegment::AliPHOSTrackSegment( AliPHOSEmcRecPoint * emc ,
  63                                           AliPHOSRecPoint * cpvrp1)
  64                         : fEmcRecPoint(0),
  65                           fIndexInList(0),
  66                           fCpvRecPoint(0),
  67                           fTrack(0)
  68 {
  69   // ctor
  70
  71   if( emc )
  72     fEmcRecPoint =  emc->GetIndexInList() ;
  73   else
  74     fEmcRecPoint = -1 ;
  75
  76   if( cpvrp1 )
  77     fCpvRecPoint = cpvrp1->GetIndexInList() ;
  78  else
  79     fCpvRecPoint = -1 ;
  80
  81   fTrack = -1 ;
  82
  83   fIndexInList = -1 ;
  84   fDcpv[0]=999. ;
  85   fDcpv[1]=999. ;
  86 }
  87
  88 //____________________________________________________________________________
  89 AliPHOSTrackSegment::AliPHOSTrackSegment( AliPHOSEmcRecPoint * emc ,
  90                                           AliPHOSRecPoint * cpvrp1,
  91                                           Int_t track)
  92                         : fEmcRecPoint(0),
  93                           fIndexInList(0),
  94                           fCpvRecPoint(0),
  95                           fTrack(0)
  96 {
  97   // ctor
  98
  99   if( emc )
 100     fEmcRecPoint =  emc->GetIndexInList() ;
 101   else
 102     fEmcRecPoint = -1 ;
 103
 104   if( cpvrp1 )
 105     fCpvRecPoint = cpvrp1->GetIndexInList() ;
 106  else
 107     fCpvRecPoint = -1 ;
 108
 109   fTrack = track ;
 110
 111   fIndexInList = -1 ;
 112   fDcpv[0]=999. ;
 113   fDcpv[1]=999. ;
 114 }
 115
 116 //____________________________________________________________________________
 117 AliPHOSTrackSegment::AliPHOSTrackSegment( AliPHOSEmcRecPoint * emc ,
 118                                           AliPHOSRecPoint * cpvrp1,
 119                                           Int_t track, Float_t dx,Float_t dz)
 120                         : fEmcRecPoint(0),
 121                           fIndexInList(0),
 122                           fCpvRecPoint(0),
 123                           fTrack(0)
 124 {
 125   // ctor
 126
 127   if( emc )
 128     fEmcRecPoint =  emc->GetIndexInList() ;
 129   else
 130     fEmcRecPoint = -1 ;
 131
 132   if( cpvrp1 )
 133     fCpvRecPoint = cpvrp1->GetIndexInList() ;
 134  else
 135     fCpvRecPoint = -1 ;
 136
 137   fTrack = track ;
 138
 139   fIndexInList = -1 ;
 140
 141   fDcpv[0] = dx ;
 142   fDcpv[1] = dz ;
 143 }
 144
 145 //____________________________________________________________________________
 146 AliPHOSTrackSegment::AliPHOSTrackSegment( const AliPHOSTrackSegment & ts)
 147   : TObject(ts),
 148     fEmcRecPoint(0),
 149     fIndexInList(0),
 150     fCpvRecPoint(0),
 151     fTrack(0)
 152 {
 153   // Copy ctor
 154
 155   ( (AliPHOSTrackSegment &)ts ).Copy(*this) ;
 156 }
 157
 158
 159 //____________________________________________________________________________
 160 AliPHOSTrackSegment & AliPHOSTrackSegment::operator = (const AliPHOSTrackSegment &)
 161 {
 162   Fatal("operator =", "not implemented");
 163   return *this;
 164 }
 165
 166 //____________________________________________________________________________
 167 void AliPHOSTrackSegment::Copy(TObject & obj) const
 168 {
 169   // Copy of a track segment into another track segment
 170
 171    TObject::Copy(obj) ;
 172    ( (AliPHOSTrackSegment &)obj ).fEmcRecPoint     = fEmcRecPoint ;
 173    ( (AliPHOSTrackSegment &)obj ).fCpvRecPoint     = fCpvRecPoint ;
 174    ( (AliPHOSTrackSegment &)obj ).fIndexInList     = fIndexInList ;
 175    ( (AliPHOSTrackSegment &)obj ).fTrack           = fTrack ;
 176    ( (AliPHOSTrackSegment &)obj ).fDcpv[0]         = fDcpv[0] ;
 177    ( (AliPHOSTrackSegment &)obj ).fDcpv[1]         = fDcpv[1] ;
 178 }
 179
 180
 181 //____________________________________________________________________________
 182 void AliPHOSTrackSegment::Print(const Option_t *) const
 183 {
 184   // Print all information on this track Segment
 185
 186
 187   AliInfo("Track segment");
 188   printf("Stored at position %d\n", fIndexInList) ;
 189   printf(" Emc RecPoint #     %d\n", fEmcRecPoint) ;
 190   if(fCpvRecPoint >= 0)
 191     printf(" CPV RecPoint #     %d\n", fCpvRecPoint) ;
 192   else
 193     printf(" No CPV RecPoint\n");
 194   if (fTrack >= 0)
 195     printf(" Charged track #     %d\n", fTrack) ;
 196   else
 197     printf(" No Charged track\n");
 198   printf(" Distance to CPV: x=%f, z=%f\n",fDcpv[0],fDcpv[1]) ;
 199 }
 200
 201 //____________________________________________________________________________
 202 void AliPHOSTrackSegment::SetCpvRecPoint(AliPHOSRecPoint * cpvRecPoint)
 203 {
 204   // gives an id from its position in the list
 205   if( cpvRecPoint )
 206     fCpvRecPoint = cpvRecPoint->GetIndexInList() ;
 207  else
 208     fCpvRecPoint = -1 ;
 209 }
 210 //____________________________________________________________________________
 211 Float_t AliPHOSTrackSegment::GetCpvDistance(const Option_t* dr) const
 212 {
 213  if(strcmp(dr,"x")==0||strcmp(dr,"X")==0) return fDcpv[0] ;
 214  if(strcmp(dr,"z")==0||strcmp(dr,"Z")==0) return fDcpv[1] ;
 215  if(strcmp(dr,"r")==0||strcmp(dr,"R")==0) return TMath::Sqrt(fDcpv[0]*fDcpv[0]+fDcpv[1]*fDcpv[1]) ;
 216  return 999. ;
 217
 218 }