]>
Commit | Line | Data |
---|---|---|
8c6a71ab | 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 | ||
4f679a16 | 16 | /* $Id$ */ |
17 | ||
8c6a71ab | 18 | //----------------------------------------------------------------- |
19 | // Implementation of the combined PID class | |
4f679a16 | 20 | // For the Event Summary Data Class |
21 | // produced by the reconstruction process | |
22 | // and containing information on the particle identification | |
8c6a71ab | 23 | // Origin: Iouri Belikov, CERN, Jouri.Belikov@cern.ch |
24 | //----------------------------------------------------------------- | |
25 | ||
26 | #include "AliESDpid.h" | |
af885e0f | 27 | #include "AliESDEvent.h" |
8c6a71ab | 28 | #include "AliESDtrack.h" |
29 | ||
30 | ClassImp(AliESDpid) | |
31 | ||
32 | //_________________________________________________________________________ | |
af885e0f | 33 | Int_t AliESDpid::MakePID(AliESDEvent *event) |
8c6a71ab | 34 | { |
4f679a16 | 35 | // |
36 | // Combine the information of various detectors | |
37 | // to determine the Particle Identification | |
38 | // | |
8c6a71ab | 39 | Int_t ntrk=event->GetNumberOfTracks(); |
40 | for (Int_t i=0; i<ntrk; i++) { | |
304864ab | 41 | Int_t ns=AliPID::kSPECIES; |
8c6a71ab | 42 | Double_t p[10]={1.,1.,1.,1.,1.,1.,1.,1.,1.,1.}; |
43 | ||
44 | AliESDtrack *t=event->GetTrack(i); | |
45 | ||
7a8614f3 | 46 | if (t->IsOn(AliESDtrack::kITSpid)) { |
8c6a71ab | 47 | Double_t d[10]; |
48 | t->GetITSpid(d); | |
7a8614f3 | 49 | for (Int_t j=0; j<ns; j++) p[j]*=d[j]; |
8c6a71ab | 50 | } |
51 | ||
7a8614f3 | 52 | if (t->IsOn(AliESDtrack::kTPCpid)) { |
8c6a71ab | 53 | Double_t d[10]; |
54 | t->GetTPCpid(d); | |
7a8614f3 | 55 | for (Int_t j=0; j<ns; j++) p[j]*=d[j]; |
8c6a71ab | 56 | } |
57 | ||
7a8614f3 | 58 | if (t->IsOn(AliESDtrack::kTRDpid)) { |
c630aafd | 59 | Double_t d[10]; |
60 | t->GetTRDpid(d); | |
7a8614f3 | 61 | for (Int_t j=0; j<ns; j++) p[j]*=d[j]; |
c630aafd | 62 | } |
63 | ||
7a8614f3 | 64 | if (t->IsOn(AliESDtrack::kTOFpid)) { |
4a78b8c5 | 65 | Double_t d[10]; |
66 | t->GetTOFpid(d); | |
7a8614f3 | 67 | for (Int_t j=0; j<ns; j++) p[j]*=d[j]; |
4a78b8c5 | 68 | } |
69 | ||
7a8614f3 | 70 | if (t->IsOn(AliESDtrack::kHMPIDpid)) { |
4a78b8c5 | 71 | Double_t d[10]; |
f4b3bbb7 | 72 | t->GetHMPIDpid(d); |
7a8614f3 | 73 | for (Int_t j=0; j<ns; j++) p[j]*=d[j]; |
4a78b8c5 | 74 | } |
c630aafd | 75 | |
8c6a71ab | 76 | t->SetESDpid(p); |
77 | } | |
7a8614f3 | 78 | |
8c6a71ab | 79 | return 0; |
80 | } |