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e178f9f2 | 1 | //------------------------------------------------------------------------------ |
2 | // Impementation of AliMCInfoCuts class. It keeps selection cuts for MC tracks. | |
3 | // | |
4 | // | |
5 | // Author: J.Otwinowski 04/02/2008 | |
6 | //------------------------------------------------------------------------------ | |
7 | ||
8 | #include <iostream> | |
9 | #include <TArrayI.h> | |
10 | #include <TList.h> | |
11 | ||
12 | #include "AliLog.h" | |
13 | #include "AliMCInfoCuts.h" | |
14 | ||
15 | using namespace std; | |
16 | ||
17 | ClassImp(AliMCInfoCuts) | |
18 | ||
19 | //_____________________________________________________________________________ | |
20 | AliMCInfoCuts::AliMCInfoCuts(const Char_t* name,const Char_t *title) : | |
21 | AliAnalysisCuts(name, title) | |
22 | , fMinRowsWithDigits(0) | |
23 | , fMaxR(0) | |
24 | , fMaxVz(0) | |
25 | , fMinTPCSignal(0) | |
26 | , fMaxTPCSignal(0) | |
27 | , aTrackParticles(0) | |
28 | { | |
29 | // default constructor | |
30 | ||
31 | // init data members with defaults | |
32 | Init(); | |
33 | } | |
34 | ||
35 | //_____________________________________________________________________________ | |
36 | AliMCInfoCuts::~AliMCInfoCuts() | |
37 | { | |
38 | // destructor | |
39 | if(aTrackParticles != 0) | |
40 | { | |
41 | delete aTrackParticles; | |
42 | aTrackParticles = 0; | |
43 | } | |
44 | } | |
45 | ||
46 | //_____________________________________________________________________________ | |
47 | void AliMCInfoCuts::Init() | |
48 | { | |
49 | // set default values | |
50 | SetMinRowsWithDigits(); | |
51 | SetMaxR(); | |
52 | SetMaxVz(); | |
53 | SetRangeTPCSignal(); | |
54 | ||
55 | // create aTrackParticles array | |
56 | aTrackParticles = new TArrayI(kNParticles); // max nb. of particles | |
57 | aTrackParticles->Reset(0); | |
58 | ||
59 | // create an array of track particles: e, muons, pions, kaons, protons | |
60 | if(aTrackParticles != 0) | |
61 | { | |
62 | // keep order adding a new particles | |
63 | AddPdgParticle(0,ep); // e+ | |
64 | AddPdgParticle(1,em); // e- | |
65 | AddPdgParticle(2,mup); // mu+ | |
66 | AddPdgParticle(3,mum); // mu- | |
67 | AddPdgParticle(4,pip); // pi+ | |
68 | AddPdgParticle(5,pim); // pi- | |
69 | AddPdgParticle(6,kp); // K+ | |
70 | AddPdgParticle(7,km); // K- | |
71 | AddPdgParticle(8,prot); // p | |
72 | AddPdgParticle(9,protbar); // p_bar | |
73 | } | |
74 | } | |
75 | ||
76 | //_____________________________________________________________________________ | |
77 | void AliMCInfoCuts::AddPdgParticle(Int_t idx, Int_t pdgcode) const | |
78 | { | |
79 | // add particle to the array | |
80 | if(aTrackParticles != 0) aTrackParticles->AddAt(pdgcode,idx); | |
81 | else AliDebug(AliLog::kError, "ERROR: Cannot add particle to the array"); | |
82 | } | |
83 | ||
84 | //_____________________________________________________________________________ | |
85 | Bool_t AliMCInfoCuts::IsPdgParticle(Int_t pdgcode) const | |
86 | { | |
87 | // check PDG particle | |
88 | if(aTrackParticles == 0) { | |
89 | AliDebug(AliLog::kError, "ERROR: Cannot get particle array"); | |
90 | return kFALSE; | |
91 | } | |
92 | ||
93 | Int_t size = aTrackParticles->GetSize(); | |
94 | for(int i=0; i<size; ++i) { | |
95 | if(pdgcode == aTrackParticles->At(i)) return kTRUE; | |
96 | } | |
97 | return kFALSE; | |
98 | } | |
99 | ||
100 | //_____________________________________________________________________________ | |
101 | Long64_t AliMCInfoCuts::Merge(TCollection* list) | |
102 | { | |
103 | // Merge list of objects (needed by PROOF) | |
104 | if (!list) | |
105 | return 0; | |
106 | ||
107 | if (list->IsEmpty()) | |
108 | return 1; | |
109 | ||
110 | TIterator* iter = list->MakeIterator(); | |
111 | TObject* obj = 0; | |
112 | ||
113 | Int_t count=0; | |
114 | while((obj = iter->Next()) != 0) | |
115 | { | |
116 | AliMCInfoCuts* entry = dynamic_cast<AliMCInfoCuts*>(obj); | |
117 | if (entry == 0) | |
118 | continue; | |
119 | ||
120 | count++; | |
121 | } | |
122 | ||
123 | return count; | |
124 | } |