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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 | ||
16 | //----------------------------------------------------------------- | |
17 | // Implementation of the combined PID class | |
18 | // | |
19 | // Origin: Iouri Belikov, CERN, Jouri.Belikov@cern.ch | |
20 | //----------------------------------------------------------------- | |
21 | ||
22 | #include "AliESDpid.h" | |
23 | #include "AliESD.h" | |
24 | #include "AliESDtrack.h" | |
25 | ||
26 | ClassImp(AliESDpid) | |
27 | ||
28 | //_________________________________________________________________________ | |
29 | Int_t AliESDpid::MakePID(AliESD *event) | |
30 | { | |
31 | Int_t ntrk=event->GetNumberOfTracks(); | |
32 | for (Int_t i=0; i<ntrk; i++) { | |
33 | Int_t ns=AliESDtrack::kSPECIES; | |
34 | Double_t p[10]={1.,1.,1.,1.,1.,1.,1.,1.,1.,1.}; | |
35 | ||
36 | AliESDtrack *t=event->GetTrack(i); | |
37 | ||
38 | if ((t->GetStatus()&AliESDtrack::kITSpid )!=0) { | |
39 | Double_t d[10]; | |
40 | t->GetITSpid(d); | |
41 | for (Int_t j=0; j<ns; j++) p[j]*=d[j]; | |
42 | } | |
43 | ||
44 | if ((t->GetStatus()&AliESDtrack::kTPCpid )!=0) { | |
45 | Double_t d[10]; | |
46 | t->GetTPCpid(d); | |
47 | for (Int_t j=0; j<ns; j++) p[j]*=d[j]; | |
48 | } | |
49 | ||
c630aafd | 50 | if ((t->GetStatus()&AliESDtrack::kTRDpid )!=0) { |
51 | Double_t d[10]; | |
52 | t->GetTRDpid(d); | |
53 | for (Int_t j=0; j<ns; j++) p[j]*=d[j]; | |
54 | } | |
55 | ||
b4b3a4d6 | 56 | if (t->GetP()>0.7) // accept the TOF only for the high momenta |
57 | if ((t->GetStatus()&AliESDtrack::kTOFpid )!=0) { | |
58 | Double_t d[10]; | |
59 | t->GetTOFpid(d); | |
60 | for (Int_t j=0; j<ns; j++) p[j]*=d[j]; | |
61 | } | |
c630aafd | 62 | |
8c6a71ab | 63 | t->SetESDpid(p); |
64 | } | |
65 | return 0; | |
66 | } |