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1ce2618c | 1 | #include "AliRsnCutPhi.h" |
2 | ||
3 | ClassImp(AliRsnCutPhi) | |
4 | ||
5 | AliRsnCutPhi::AliRsnCutPhi() : | |
6 | AliRsnCut("cut", AliRsnTarget::kDaughter), | |
7 | fOption("") | |
8 | { | |
9 | //Default constructor | |
10 | SetPhiRange(0.0, 360.0); | |
11 | } | |
12 | ||
13 | //_________________________________________________________________________________________________ | |
14 | AliRsnCutPhi::AliRsnCutPhi(const char *name, TString opt) : | |
15 | AliRsnCut(name, AliRsnTarget::kDaughter), | |
16 | fOption(opt.Data()) | |
17 | { | |
18 | //main constructor | |
19 | SetPhiRange(0.0, 360.0); | |
20 | } | |
21 | ||
22 | //_________________________________________________________________________________________________ | |
23 | AliRsnCutPhi::AliRsnCutPhi(const AliRsnCutPhi ©) : | |
24 | AliRsnCut(copy), | |
25 | fOption(copy.fOption) | |
26 | { | |
27 | //copy constructor | |
28 | SetPhiRange(copy.fPhiRange[0], copy.fPhiRange[1]); | |
29 | } | |
30 | //_________________________________________________________________________________________________ | |
31 | AliRsnCutPhi &AliRsnCutPhi::operator=(const AliRsnCutPhi ©) | |
32 | { | |
33 | // | |
34 | // operator = | |
35 | // | |
36 | AliRsnCut::operator=(copy); | |
37 | if (this == ©) | |
38 | return *this; | |
39 | ||
40 | fOption=copy.fOption; | |
41 | SetPhiRange(copy.fPhiRange[0], copy.fPhiRange[1]); | |
42 | return (*this); | |
43 | } | |
44 | //_________________________________________________________________________________________________ | |
45 | Bool_t AliRsnCutPhi::IsSelected(TObject *object) | |
46 | { | |
47 | // | |
48 | // Checks if the track passes the phi cut | |
49 | // | |
50 | Bool_t accept = kFALSE; | |
51 | if (!TargetOK(object)) return accept; | |
52 | ||
53 | AliVTrack *vtrack = fDaughter->Ref2Vtrack(); | |
54 | if (!vtrack) { | |
55 | AliError("Referenced daughter is not a track"); | |
56 | return accept; | |
57 | } | |
58 | ||
59 | if (fOption.Contains("InTRD")) return IsInsideTRD(vtrack); | |
60 | if (fOption.Contains("OutTRD")) return IsOutsideTRD(vtrack); | |
61 | ||
62 | Double_t value = 90.0; | |
63 | if (fOption.Contains("OuterTPC")) value = GetTrackPhi(vtrack, 278.0); | |
64 | if (fOption.Contains("InnerTOF")) value = GetTrackPhi(vtrack, 378.0); | |
65 | ||
66 | if ( (value>=fPhiRange[0]) && (value<=fPhiRange[1]) ) | |
67 | accept = kTRUE; | |
68 | else | |
69 | accept = kFALSE; | |
70 | ||
71 | return accept; | |
72 | } | |
73 | ||
74 | //_________________________________________________________________________________________________ | |
75 | Bool_t AliRsnCutPhi::IsInsideTRD(AliVTrack *vtrack) | |
76 | { | |
77 | // | |
78 | // Checks if track falls inside the TRD sectors | |
79 | // implemented for 2010 configuration only | |
80 | // edge effects removed by tightening the phi cut by 5 deg | |
81 | // | |
82 | Bool_t accept = kFALSE; | |
83 | if (!vtrack) { | |
84 | AliError("Referenced daughter is not a track"); | |
85 | return accept; | |
86 | } | |
87 | Double_t value = GetTrackPhi(vtrack, 278.0); | |
88 | if ( ((value>=0.0) && (value<=35.0)) || | |
89 | ((value>=135.0) && (value<=215.0)) || | |
90 | ((value>=345.0) && (value<=360.0)) ) | |
91 | accept = kTRUE; | |
92 | else | |
93 | accept = kFALSE; | |
94 | return accept; | |
95 | } | |
96 | //_________________________________________________________________________________________________ | |
97 | Bool_t AliRsnCutPhi::IsOutsideTRD(AliVTrack *vtrack) | |
98 | { | |
99 | // | |
100 | // Checks if track falls inside the TRD sectors | |
101 | // implemented for 2010 configuration only | |
102 | // edge effects removed by tightening the phi cut by 5 deg | |
103 | // | |
104 | Bool_t accept = kFALSE; | |
105 | if (!vtrack) { | |
106 | AliError("Referenced daughter is not a track"); | |
107 | return accept; | |
108 | } | |
109 | Double_t value = GetTrackPhi(vtrack, 278.0); | |
110 | if ( ((value>=45.0) && (value<=125.0)) || | |
111 | ((value>=225.0) && (value<=335.0)) ) | |
112 | accept = kTRUE; | |
113 | else | |
114 | accept = kFALSE; | |
115 | return accept; | |
116 | } | |
117 | ||
118 | //---------------------------------------------------------------------------- | |
119 | Double_t AliRsnCutPhi::GetTrackPhi(AliVTrack * vtrack, Double_t radius = 0.0) | |
120 | { | |
121 | // | |
122 | // Extract phi from vtrack object at radius r | |
123 | // If r==0 (default), provides phi at vertex | |
124 | // | |
125 | Double_t pos[3]={0.,0.,0.}; | |
126 | Double_t phiOut = -999.0; | |
127 | ||
128 | if (!vtrack) { | |
129 | AliError("Invalid VTrack object"); | |
130 | return phiOut; | |
131 | } | |
132 | if (radius==0.0){ | |
133 | phiOut=vtrack->Phi()*TMath::RadToDeg(); | |
134 | } else { | |
135 | AliExternalTrackParam etp; | |
136 | etp.CopyFromVTrack(vtrack); | |
137 | if(etp.GetXYZAt(radius, 5., pos)){ | |
138 | phiOut=TMath::ATan2(pos[1],pos[0])*TMath::RadToDeg(); | |
139 | if (phiOut<0) phiOut+= (2*TMath::Pi()*TMath::RadToDeg()); | |
140 | } | |
141 | } | |
142 | return phiOut; | |
143 | } |