]>
Commit | Line | Data |
---|---|---|
75ec0f41 | 1 | testESDtrackCuts(Char_t* dataDir=, Int_t nRuns=10) { |
2 | ||
3 | Char_t str[256]; | |
4 | ||
fec8f545 | 5 | gSystem->Load("libESDtrackCuts.so"); |
75ec0f41 | 6 | |
7 | // ######################################################## | |
8 | // definition of ESD track cuts | |
9 | ||
fec8f545 | 10 | AliESDtrackCuts* trackCuts = new AliESDtrackCuts(); |
75ec0f41 | 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 | ||
fec8f545 | 21 | trackCuts->SetPRange(0.3); |
22 | ||
23 | AliLog::SetClassDebugLevel("AliESDtrackCuts",1); | |
75ec0f41 | 24 | |
25 | // ######################################################## | |
26 | // definition of used pointers | |
27 | TFile* esdFile; | |
28 | TTree* esdTree; | |
29 | TBranch* esdBranch; | |
30 | ||
31 | AliESD* esd = 0; | |
32 | ||
33 | // ######################################################## | |
34 | // get the data dir | |
35 | Char_t execDir[256]; | |
36 | sprintf(execDir,gSystem->pwd()); | |
37 | TSystemDirectory* baseDir = new TSystemDirectory(".",dataDir); | |
38 | TList* dirList = baseDir->GetListOfFiles(); | |
39 | Int_t nDirs = dirList->GetEntries(); | |
40 | // go back to the dir where this script is executed | |
41 | gSystem->cd(execDir); | |
42 | ||
43 | // ######################################################## | |
44 | // loop over runs | |
45 | Int_t nRunCounter = 0; | |
46 | for (Int_t r=1; r<=nDirs; r++) { | |
47 | ||
48 | TSystemFile* presentDir = (TSystemFile*)dirList->At(r); | |
49 | if (!presentDir->IsDirectory()) | |
50 | continue; | |
51 | // first check that the files are there | |
52 | sprintf(str,"%s/%s",dataDir, presentDir->GetName()); | |
53 | if ((!gSystem->Which(str,"galice.root")) || | |
54 | (!gSystem->Which(str,"AliESDs.root"))) | |
55 | continue; | |
56 | ||
57 | if (nRunCounter++ >= nRuns) | |
58 | break; | |
59 | ||
60 | cout << "run #" << nRunCounter << endl; | |
61 | ||
62 | // ######################################################### | |
63 | // setup galice and runloader | |
64 | if (gAlice) { | |
65 | delete gAlice->GetRunLoader(); | |
66 | delete gAlice; | |
67 | gAlice=0; | |
68 | } | |
69 | ||
70 | sprintf(str,"%s/run%d/galice.root",dataDir,r); | |
71 | AliRunLoader* runLoader = AliRunLoader::Open(str); | |
72 | ||
73 | runLoader->LoadgAlice(); | |
74 | gAlice = runLoader->GetAliRun(); | |
75 | runLoader->LoadHeader(); | |
76 | ||
77 | // ######################################################### | |
78 | // open esd file and get the tree | |
79 | ||
80 | sprintf(str,"%s/run%d/AliESDs.root",dataDir,r); | |
81 | // close it first to avoid memory leak | |
82 | if (esdFile) | |
83 | if (esdFile->IsOpen()) | |
84 | esdFile->Close(); | |
85 | ||
86 | esdFile = TFile::Open(str); | |
87 | esdTree = (TTree*)esdFile->Get("esdTree"); | |
88 | if (!esdTree) | |
89 | continue; | |
90 | esdBranch = esdTree->GetBranch("ESD"); | |
91 | esdBranch->SetAddress(&esd); | |
92 | if (!esdBranch) | |
93 | continue; | |
94 | ||
95 | // ######################################################## | |
96 | // Magnetic field | |
97 | AliTracker::SetFieldMap(gAlice->Field(),kTRUE); // kTRUE means uniform magnetic field | |
98 | ||
99 | // ######################################################## | |
100 | // getting number of events | |
101 | Int_t nEvents = (Int_t)runLoader->GetNumberOfEvents(); | |
102 | Int_t nESDEvents = esdBranch->GetEntries(); | |
103 | ||
104 | if (nEvents!=nESDEvents) | |
105 | cout << " Warning: Different number of events from runloader and esdtree!!!" << nEvents << " / " << nESDEvents << endl; | |
106 | ||
107 | // ######################################################## | |
108 | // loop over number of events | |
109 | cout << " looping over events..." << endl; | |
110 | for(Int_t i=1; i<nEvents; i++) { | |
111 | ||
112 | esdBranch->GetEntry(i); | |
113 | runLoader->GetEvent(i); | |
114 | ||
115 | // ######################################################## | |
116 | // get the EDS vertex | |
117 | AliESDVertex* vtxESD = esd->GetVertex(); | |
118 | ||
119 | Double_t vtxSigma[3]; | |
120 | vtxESD->GetSigmaXYZ(vtxSigma); | |
121 | ||
122 | // ######################################################## | |
123 | // loop over esd tracks | |
124 | Int_t nTracks = esd->GetNumberOfTracks(); | |
125 | ||
126 | for (Int_t t=0; t<nTracks; t++) { | |
127 | AliESDtrack* esdTrack = esd->GetTrack(t); | |
128 | ||
129 | //trackCuts->AcceptTrack(esdTrack, vtxESD, esd->GetMagneticField()); | |
130 | trackCuts->AcceptTrack(esdTrack); | |
131 | ||
132 | } // end of track loop | |
133 | } // end of event loop | |
134 | } // end of run loop | |
135 | ||
136 | TFile* fout = new TFile("out.root","RECREATE"); | |
137 | ||
138 | trackCuts->SaveHistograms("esd_track_cuts"); | |
139 | ||
140 | fout->Write(); | |
141 | fout->Close(); | |
142 | ||
143 | } |