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a65a7e70 | 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 | /////////////////////////////////////////////////////////////////////////////// | |
18 | // // | |
19 | // HMPID tender: - recalculate pid bit using tighter cuts | |
20 | // - this is needed for all 2010 and 11a-c data | |
21 | // | |
22 | // | |
23 | // Contacts: Giacomo.Volpe@ba.infn.it // | |
24 | // Jens.Wiechula@cern.ch // | |
25 | /////////////////////////////////////////////////////////////////////////////// | |
26 | #include <TMath.h> | |
27 | #include <TRandom.h> | |
28 | #include <AliLog.h> | |
29 | #include <AliESDEvent.h> | |
30 | #include <AliESDtrack.h> | |
31 | #include <AliESDInputHandler.h> | |
32 | #include <AliAnalysisManager.h> | |
33 | #include <AliESDpid.h> | |
34 | #include <AliTender.h> | |
35 | ||
36 | #include "AliHMPIDTenderSupply.h" | |
37 | ||
38 | ClassImp(AliHMPIDTenderSupply) | |
39 | ||
40 | AliHMPIDTenderSupply::AliHMPIDTenderSupply() : | |
41 | AliTenderSupply() | |
42 | { | |
43 | // | |
44 | // default ctor | |
45 | // | |
46 | } | |
47 | ||
48 | //_____________________________________________________ | |
49 | AliHMPIDTenderSupply::AliHMPIDTenderSupply(const char *name, const AliTender *tender) : | |
50 | AliTenderSupply(name,tender) | |
51 | { | |
52 | // | |
53 | // named ctor | |
54 | // | |
55 | } | |
56 | ||
57 | //_____________________________________________________ | |
58 | void AliHMPIDTenderSupply::Init() | |
59 | { | |
60 | // Initialise HMPID tender | |
61 | ||
62 | } | |
63 | ||
64 | //_____________________________________________________ | |
65 | void AliHMPIDTenderSupply::ProcessEvent() | |
66 | { | |
67 | // | |
68 | // recalculate HMPIDpid bit | |
69 | // | |
70 | ||
71 | ||
72 | AliESDEvent *event=fTender->GetEvent(); | |
73 | if (!event) return; | |
74 | ||
75 | // re-evaluate the HMPIDpid bit for all tracks | |
76 | Int_t ntracks=event->GetNumberOfTracks(); | |
77 | for(Int_t itrack = 0; itrack < ntracks; itrack++){ | |
78 | AliESDtrack *track=event->GetTrack(itrack); | |
79 | if (!itrack) continue; | |
80 | //reset pid bit first | |
81 | track->ResetStatus(AliESDtrack::kHMPIDpid); | |
82 | ||
83 | Float_t xPc=0., yPc=0., xMip=0., yMip=0., thetaTrk=0., phiTrk=0.; | |
84 | Int_t nPhot=0, qMip=0; | |
85 | ||
86 | track->GetHMPIDtrk(xPc,yPc,thetaTrk,phiTrk); | |
87 | track->GetHMPIDmip(xMip,yMip,qMip,nPhot); | |
88 | // | |
89 | //make cuts, just an example, THIS NEEDS TO BE CHANGED | |
90 | // | |
91 | //if ((track->GetStatus()&AliESDtrack::kHMPIDout)!=AliESDtrack::kHMPIDout) continue; | |
92 | ||
93 | Float_t dist = TMath::Sqrt((xPc-xMip)*(xPc-xMip) + (yPc-yMip)*(yPc-yMip)); | |
94 | ||
95 | if(dist > 0.7 || nPhot> 30 || qMip < 100 ) continue; | |
96 | ||
97 | //set pid bit, track was accepted | |
98 | track->SetStatus(AliESDtrack::kHMPIDpid); | |
99 | ||
100 | } | |
101 | ||
102 | ||
103 | } |