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
  46 ClassImp(AliPHOSTrackSegment)
  47
  48 //____________________________________________________________________________
  49 AliPHOSTrackSegment::AliPHOSTrackSegment()
  50                         : fEmcRecPoint(0),
  51                           fIndexInList(0),
  52                           fCpvRecPoint(0),
  53                           fTrack(0)
  54 {
  55   //def ctor
  56   fDcpv[0]=999. ;
  57   fDcpv[1]=999. ;
  58 }
  59
  60 //____________________________________________________________________________
  61 AliPHOSTrackSegment::AliPHOSTrackSegment( AliPHOSEmcRecPoint * emc ,
  62                                           AliPHOSRecPoint * cpvrp1)
  63                         : fEmcRecPoint(0),
  64                           fIndexInList(0),
  65                           fCpvRecPoint(0),
  66                           fTrack(0)
  67 {
  68   // ctor
  69
  70   if( emc )
  71     fEmcRecPoint =  emc->GetIndexInList() ;
  72   else
  73     fEmcRecPoint = -1 ;
  74
  75   if( cpvrp1 )
  76     fCpvRecPoint = cpvrp1->GetIndexInList() ;
  77  else
  78     fCpvRecPoint = -1 ;
  79
  80   fTrack = -1 ;
  81
  82   fIndexInList = -1 ;
  83   fDcpv[0]=999. ;
  84   fDcpv[1]=999. ;
  85 }
  86
  87 //____________________________________________________________________________
  88 AliPHOSTrackSegment::AliPHOSTrackSegment( AliPHOSEmcRecPoint * emc ,
  89                                           AliPHOSRecPoint * cpvrp1,
  90                                           Int_t track)
  91                         : fEmcRecPoint(0),
  92                           fIndexInList(0),
  93                           fCpvRecPoint(0),
  94                           fTrack(0)
  95 {
  96   // ctor
  97
  98   if( emc )
  99     fEmcRecPoint =  emc->GetIndexInList() ;
 100   else
 101     fEmcRecPoint = -1 ;
 102
 103   if( cpvrp1 )
 104     fCpvRecPoint = cpvrp1->GetIndexInList() ;
 105  else
 106     fCpvRecPoint = -1 ;
 107
 108   fTrack = track ;
 109
 110   fIndexInList = -1 ;
 111   fDcpv[0]=999. ;
 112   fDcpv[1]=999. ;
 113 }
 114
 115 //____________________________________________________________________________
 116 AliPHOSTrackSegment::AliPHOSTrackSegment( AliPHOSEmcRecPoint * emc ,
 117                                           AliPHOSRecPoint * cpvrp1,
 118                                           Int_t track, Float_t dx,Float_t dz)
 119                         : fEmcRecPoint(0),
 120                           fIndexInList(0),
 121                           fCpvRecPoint(0),
 122                           fTrack(0)
 123 {
 124   // ctor
 125
 126   if( emc )
 127     fEmcRecPoint =  emc->GetIndexInList() ;
 128   else
 129     fEmcRecPoint = -1 ;
 130
 131   if( cpvrp1 )
 132     fCpvRecPoint = cpvrp1->GetIndexInList() ;
 133  else
 134     fCpvRecPoint = -1 ;
 135
 136   fTrack = track ;
 137
 138   fIndexInList = -1 ;
 139
 140   fDcpv[0] = dx ;
 141   fDcpv[1] = dz ;
 142 }
 143
 144 //____________________________________________________________________________
 145 AliPHOSTrackSegment::AliPHOSTrackSegment( const AliPHOSTrackSegment & ts)
 146   : TObject(ts),
 147     fEmcRecPoint(0),
 148     fIndexInList(0),
 149     fCpvRecPoint(0),
 150     fTrack(0)
 151 {
 152   // Copy ctor
 153
 154   ( (AliPHOSTrackSegment &)ts ).Copy(*this) ;
 155 }
 156
 157
 158 //____________________________________________________________________________
 159 void AliPHOSTrackSegment::Copy(TObject & obj) const
 160 {
 161   // Copy of a track segment into another track segment
 162
 163    TObject::Copy(obj) ;
 164    ( (AliPHOSTrackSegment &)obj ).fEmcRecPoint     = fEmcRecPoint ;
 165    ( (AliPHOSTrackSegment &)obj ).fCpvRecPoint     = fCpvRecPoint ;
 166    ( (AliPHOSTrackSegment &)obj ).fIndexInList     = fIndexInList ;
 167    ( (AliPHOSTrackSegment &)obj ).fTrack           = fTrack ;
 168    ( (AliPHOSTrackSegment &)obj ).fDcpv[0]         = fDcpv[0] ;
 169    ( (AliPHOSTrackSegment &)obj ).fDcpv[1]         = fDcpv[1] ;
 170 }
 171
 172
 173 //____________________________________________________________________________
 174 void AliPHOSTrackSegment::Print(const Option_t *) const
 175 {
 176   // Print all information on this track Segment
 177
 178
 179   Info("Print", "");
 180   printf("Stored at position %d\n", fIndexInList) ;
 181   printf(" Emc RecPoint #     %d\n", fEmcRecPoint) ;
 182   if(fCpvRecPoint >= 0)
 183     printf(" CPV RecPoint #     %d\n", fCpvRecPoint) ;
 184   else
 185     printf(" No CPV RecPoint\n");
 186   if (fTrack >= 0)
 187     printf(" Charged track #     %d\n", fTrack) ;
 188   else
 189     printf(" No Charged track\n");
 190   printf(" Distance to CPV: x=%f, z=%f\n",fDcpv[0],fDcpv[1]) ;
 191 }
 192
 193 //____________________________________________________________________________
 194 void AliPHOSTrackSegment::SetCpvRecPoint(AliPHOSRecPoint * cpvRecPoint)
 195 {
 196   // gives an id from its position in the list
 197   if( cpvRecPoint )
 198     fCpvRecPoint = cpvRecPoint->GetIndexInList() ;
 199  else
 200     fCpvRecPoint = -1 ;
 201 }
 202 //____________________________________________________________________________
 203 Float_t AliPHOSTrackSegment::GetCpvDistance(const Option_t* dr) const
 204 {
 205  if(strcmp(dr,"x")==0||strcmp(dr,"X")==0) return fDcpv[0] ;
 206  if(strcmp(dr,"z")==0||strcmp(dr,"Z")==0) return fDcpv[1] ;
 207  if(strcmp(dr,"r")==0||strcmp(dr,"R")==0) return TMath::Sqrt(fDcpv[0]*fDcpv[0]+fDcpv[1]*fDcpv[1]) ;
 208  return 999. ;
 209
 210 }