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Commit | Line | Data |
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75ec0f41 | 1 | testESDtrackCuts(Char_t* dataDir=, Int_t nRuns=10) { |
2 | ||
3 | Char_t str[256]; | |
4 | ||
5 | gSystem->Load("libESDtrackQuality.so"); | |
6 | ||
7 | // ######################################################## | |
8 | // definition of ESD track cuts | |
9 | ||
10 | ESDtrackQualityCuts* trackCuts = new ESDtrackQualityCuts(); | |
11 | trackCuts->DefineHistograms(4); | |
12 | ||
13 | trackCuts->SetMinNClustersTPC(50); | |
14 | trackCuts->SetMaxChi2PerClusterTPC(3.5); | |
15 | trackCuts->SetMaxCovDiagonalElements(2,2,0.5,0.5,2); | |
16 | trackCuts->SetRequireTPCRefit(kTRUE); | |
17 | ||
18 | trackCuts->SetMinNsigmaToVertex(3); | |
19 | trackCuts->SetAcceptKingDaughters(kFALSE); | |
20 | ||
21 | AliLog::SetClassDebugLevel("ESDtrackQualityCuts",1); | |
22 | ||
23 | // ######################################################## | |
24 | // definition of used pointers | |
25 | TFile* esdFile; | |
26 | TTree* esdTree; | |
27 | TBranch* esdBranch; | |
28 | ||
29 | AliESD* esd = 0; | |
30 | ||
31 | // ######################################################## | |
32 | // get the data dir | |
33 | Char_t execDir[256]; | |
34 | sprintf(execDir,gSystem->pwd()); | |
35 | TSystemDirectory* baseDir = new TSystemDirectory(".",dataDir); | |
36 | TList* dirList = baseDir->GetListOfFiles(); | |
37 | Int_t nDirs = dirList->GetEntries(); | |
38 | // go back to the dir where this script is executed | |
39 | gSystem->cd(execDir); | |
40 | ||
41 | // ######################################################## | |
42 | // loop over runs | |
43 | Int_t nRunCounter = 0; | |
44 | for (Int_t r=1; r<=nDirs; r++) { | |
45 | ||
46 | TSystemFile* presentDir = (TSystemFile*)dirList->At(r); | |
47 | if (!presentDir->IsDirectory()) | |
48 | continue; | |
49 | // first check that the files are there | |
50 | sprintf(str,"%s/%s",dataDir, presentDir->GetName()); | |
51 | if ((!gSystem->Which(str,"galice.root")) || | |
52 | (!gSystem->Which(str,"AliESDs.root"))) | |
53 | continue; | |
54 | ||
55 | if (nRunCounter++ >= nRuns) | |
56 | break; | |
57 | ||
58 | cout << "run #" << nRunCounter << endl; | |
59 | ||
60 | // ######################################################### | |
61 | // setup galice and runloader | |
62 | if (gAlice) { | |
63 | delete gAlice->GetRunLoader(); | |
64 | delete gAlice; | |
65 | gAlice=0; | |
66 | } | |
67 | ||
68 | sprintf(str,"%s/run%d/galice.root",dataDir,r); | |
69 | AliRunLoader* runLoader = AliRunLoader::Open(str); | |
70 | ||
71 | runLoader->LoadgAlice(); | |
72 | gAlice = runLoader->GetAliRun(); | |
73 | runLoader->LoadHeader(); | |
74 | ||
75 | // ######################################################### | |
76 | // open esd file and get the tree | |
77 | ||
78 | sprintf(str,"%s/run%d/AliESDs.root",dataDir,r); | |
79 | // close it first to avoid memory leak | |
80 | if (esdFile) | |
81 | if (esdFile->IsOpen()) | |
82 | esdFile->Close(); | |
83 | ||
84 | esdFile = TFile::Open(str); | |
85 | esdTree = (TTree*)esdFile->Get("esdTree"); | |
86 | if (!esdTree) | |
87 | continue; | |
88 | esdBranch = esdTree->GetBranch("ESD"); | |
89 | esdBranch->SetAddress(&esd); | |
90 | if (!esdBranch) | |
91 | continue; | |
92 | ||
93 | // ######################################################## | |
94 | // Magnetic field | |
95 | AliTracker::SetFieldMap(gAlice->Field(),kTRUE); // kTRUE means uniform magnetic field | |
96 | ||
97 | // ######################################################## | |
98 | // getting number of events | |
99 | Int_t nEvents = (Int_t)runLoader->GetNumberOfEvents(); | |
100 | Int_t nESDEvents = esdBranch->GetEntries(); | |
101 | ||
102 | if (nEvents!=nESDEvents) | |
103 | cout << " Warning: Different number of events from runloader and esdtree!!!" << nEvents << " / " << nESDEvents << endl; | |
104 | ||
105 | // ######################################################## | |
106 | // loop over number of events | |
107 | cout << " looping over events..." << endl; | |
108 | for(Int_t i=1; i<nEvents; i++) { | |
109 | ||
110 | esdBranch->GetEntry(i); | |
111 | runLoader->GetEvent(i); | |
112 | ||
113 | // ######################################################## | |
114 | // get the EDS vertex | |
115 | AliESDVertex* vtxESD = esd->GetVertex(); | |
116 | ||
117 | Double_t vtxSigma[3]; | |
118 | vtxESD->GetSigmaXYZ(vtxSigma); | |
119 | ||
120 | // ######################################################## | |
121 | // loop over esd tracks | |
122 | Int_t nTracks = esd->GetNumberOfTracks(); | |
123 | ||
124 | for (Int_t t=0; t<nTracks; t++) { | |
125 | AliESDtrack* esdTrack = esd->GetTrack(t); | |
126 | ||
127 | //trackCuts->AcceptTrack(esdTrack, vtxESD, esd->GetMagneticField()); | |
128 | trackCuts->AcceptTrack(esdTrack); | |
129 | ||
130 | } // end of track loop | |
131 | } // end of event loop | |
132 | } // end of run loop | |
133 | ||
134 | TFile* fout = new TFile("out.root","RECREATE"); | |
135 | ||
136 | trackCuts->SaveHistograms("esd_track_cuts"); | |
137 | ||
138 | fout->Write(); | |
139 | fout->Close(); | |
140 | ||
141 | } |