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10757ee9 | 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 | // Class to specify cuts for track analysis // | |
20 | // with AliTPCcalibTracks // | |
21 | // // | |
22 | ////////////////////////////////////////////////////// | |
23 | ||
24 | #include <iostream> | |
25 | #include <TString.h> | |
26 | #include <TChain.h> | |
27 | #include <TList.h> | |
7eac86b0 | 28 | #include "AliTPCseed.h" |
29 | #include "AliESDtrack.h" | |
10757ee9 | 30 | #include "AliTPCcalibTracksCuts.h" |
31 | ||
32 | ClassImp(AliTPCcalibTracksCuts) | |
33 | ||
9389f9a4 | 34 | |
35 | AliTPCcalibTracksCuts::AliTPCcalibTracksCuts(): | |
36 | TNamed("calibTracksCuts", "calibTracksCuts"), | |
37 | fMinClusters(0), // number of clusters | |
38 | fMinRatio(0), // kMinRratio = 0.4 | |
39 | fMax1pt(0), // kMax1pt = 0.5 | |
40 | fEdgeYXCutNoise(0), // kEdgeYXCutNoise = 0.13 | |
7eac86b0 | 41 | fEdgeThetaCutNoise(0) // kEdgeThetaCutNoise = 0.018 |
9389f9a4 | 42 | { |
43 | // | |
44 | // default constructor | |
45 | // | |
46 | } | |
47 | ||
48 | ||
10757ee9 | 49 | AliTPCcalibTracksCuts::AliTPCcalibTracksCuts(Int_t minClusters, Float_t minRatio, Float_t max1pt, |
7eac86b0 | 50 | Float_t edgeXZCutNoise, Float_t edgeThetaCutNoise): |
9389f9a4 | 51 | TNamed("calibTracksCuts", "calibTracksCuts"), |
52 | fMinClusters(minClusters), // number of clusters | |
53 | fMinRatio(minRatio), // kMinRratio = 0.4 | |
54 | fMax1pt(max1pt), // kMax1pt = 0.5 | |
55 | fEdgeYXCutNoise(edgeXZCutNoise), // kEdgeYXCutNoise = 0.13 | |
7eac86b0 | 56 | fEdgeThetaCutNoise(edgeThetaCutNoise) // kEdgeThetaCutNoise = 0.018 |
9389f9a4 | 57 | { |
10757ee9 | 58 | // |
59 | // Constructor for AliTPCcalibTracksCuts | |
60 | // specify the cuts to be set on the processed tracks | |
61 | // default cuts are for comics | |
62 | // | |
9389f9a4 | 63 | } |
64 | ||
65 | AliTPCcalibTracksCuts::AliTPCcalibTracksCuts(AliTPCcalibTracksCuts *cuts): | |
66 | TNamed(cuts->GetName(), cuts->GetTitle()), | |
67 | fMinClusters(cuts->GetMinClusters()), // number of clusters | |
68 | fMinRatio(cuts->GetMinRatio()), // kMinRratio = 0.4 | |
69 | fMax1pt( cuts->GetMax1pt()), // kMax1pt = 0.5 | |
70 | fEdgeYXCutNoise(cuts->GetEdgeYXCutNoise()), // kEdgeYXCutNoise = 0.13 | |
7eac86b0 | 71 | fEdgeThetaCutNoise( cuts->GetEdgeThetaCutNoise()) // kEdgeThetaCutNoise = 0.018 |
9389f9a4 | 72 | { |
73 | // | |
74 | // copy constructor | |
75 | // | |
10757ee9 | 76 | } |
77 | ||
9389f9a4 | 78 | |
79 | ||
10757ee9 | 80 | AliTPCcalibTracksCuts::~AliTPCcalibTracksCuts(){ |
81 | // | |
82 | // Destructor | |
83 | // | |
84 | cout << "AliTPCcalibTracksCuts destructor called, nothing happend." << endl; | |
85 | } | |
86 | ||
87 | ||
10757ee9 | 88 | |
10757ee9 | 89 | |
7eac86b0 | 90 | AliTPCcalibTracksCuts * AliTPCcalibTracksCuts::CreateCuts(char* ctype){ |
10757ee9 | 91 | // |
7eac86b0 | 92 | // Create predefined cuts |
10757ee9 | 93 | // (creates AliTPCcalibTracksCuts object) |
10757ee9 | 94 | // |
95 | // The following predefined sets of cuts can be selected: | |
96 | // laser: 20, 0.4, 0.5, 0.13, 0.018 | |
97 | // cosmic: 20, 0.4, 0.5, 0.13, 0.018 | |
98 | // lowflux: 20, 0.4, 5, 0.2, 0.0001 | |
99 | // highflux: 20, 0.4, 5, 0.2, 0.0001 | |
100 | // | |
101 | ||
102 | TString cutType(ctype); | |
103 | cutType.ToUpper(); | |
104 | AliTPCcalibTracksCuts *cuts = 0; | |
105 | if (cutType == "LASER") | |
7eac86b0 | 106 | cuts = new AliTPCcalibTracksCuts(20, 0.4, 5, 0.13, 0.018); |
10757ee9 | 107 | else if (cutType == "COSMIC") |
7eac86b0 | 108 | cuts = new AliTPCcalibTracksCuts(20, 0.4, 0.5, 0.13, 0.018); |
10757ee9 | 109 | else if (cutType == "LOWFLUX") |
7eac86b0 | 110 | cuts = new AliTPCcalibTracksCuts(20, 0.4, 5, 0.2, 0.0001); |
10757ee9 | 111 | else if (cutType == "HIGHFLUX") |
7eac86b0 | 112 | cuts = new AliTPCcalibTracksCuts(20, 0.4, 5, 0.2, 0.0001); |
10757ee9 | 113 | else { |
7eac86b0 | 114 | cuts = new AliTPCcalibTracksCuts(20, 0.4, 5, 0.2, 0.0001); |
115 | cerr << "WARNING! unknown type '" << ctype << "', cuts set to default values for cosmics." << endl; | |
116 | cutType = "COSMIC"; | |
10757ee9 | 117 | } |
10757ee9 | 118 | cout << "Cuts were set to predefined set: " << cutType << endl; |
7eac86b0 | 119 | return cuts; |
10757ee9 | 120 | } |
121 | ||
7eac86b0 | 122 | |
123 | ||
124 | Int_t AliTPCcalibTracksCuts::AcceptTrack(const AliTPCseed * track) const { | |
125 | // | |
126 | // Function, that decides wheather a given track is accepted for | |
127 | // the analysis or not. | |
128 | // Returns 0 if a track is accepted or an integer different from 0 | |
129 | // to indicate the failed cut | |
130 | // | |
131 | ||
132 | // | |
133 | // edge induced noise tracks - NEXT RELEASE will be removed during tracking | |
134 | if ( TMath::Abs(track->GetY() / track->GetX()) > fEdgeYXCutNoise ) | |
135 | if ( TMath::Abs(track->GetTgl()) < fEdgeThetaCutNoise ) return 1; | |
136 | if (track->GetNumberOfClusters() < fMinClusters) return 2; | |
137 | Float_t ratio = track->GetNumberOfClusters() / (track->GetNFoundable() + 1.); | |
138 | if (ratio < fMinRatio) return 3; | |
139 | // Float_t mpt = track->Get1Pt(); // Get1Pt() doesn't exist any more | |
140 | Float_t mpt = track->GetSigned1Pt(); | |
141 | if (TMath::Abs(mpt) > fMax1pt) return 4; | |
142 | ||
143 | return 0; | |
144 | } | |
145 | ||
146 | Int_t AliTPCcalibTracksCuts::AcceptTrack(const AliESDtrack * track) const { | |
147 | // | |
148 | // Function, that decides wheather a given track is accepted for | |
149 | // the analysis or not. | |
150 | // Returns 0 if a track is accepted or an integer different from 0 | |
151 | // to indicate the failed cut | |
152 | // | |
153 | ||
154 | // | |
155 | // edge induced noise tracks - NEXT RELEASE will be removed during tracking | |
156 | if ( TMath::Abs(track->GetY() / track->GetX()) > fEdgeYXCutNoise ) | |
157 | if ( TMath::Abs(track->GetTgl()) < fEdgeThetaCutNoise ) return 1; | |
158 | if (track->GetTPCNcls() < fMinClusters) return 2; | |
159 | Float_t ratio = track->GetTPCNcls() / (track->GetTPCNclsF() + 1.); | |
160 | if (ratio < fMinRatio) return 3; | |
161 | // Float_t mpt = track->Get1Pt(); // Get1Pt() doesn't exist any more | |
162 | Float_t mpt = track->GetSigned1Pt(); | |
163 | if (TMath::Abs(mpt) > fMax1pt) return 4; | |
164 | ||
165 | return 0; | |
10757ee9 | 166 | } |
167 | ||
7eac86b0 | 168 | void AliTPCcalibTracksCuts::Print(Option_t*) const { |
10757ee9 | 169 | // |
170 | // Print the cut contents | |
171 | // | |
7eac86b0 | 172 | cout << "<AliTPCcalibTracksCuts>: The following cuts are specified: " << endl; |
173 | cout << "fMinClusters: " << fMinClusters << endl; | |
174 | cout << "fMinRatio: " << fMinRatio << endl; | |
175 | cout << "fMax1pt: " << fMax1pt << endl; | |
176 | cout << "fEdgeYXCutNoise: " << fEdgeYXCutNoise << endl; | |
177 | cout << "fEdgeThetaCutNoise: " << fEdgeThetaCutNoise << endl; | |
10757ee9 | 178 | } // Prints out the specified cuts |