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Commit | Line | Data |
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eafbab77 | 1 | //-------------------------------------------------------------------------- |
2 | // Test macro for reconstruction and analysis of D0->Kpi | |
3 | // | |
4 | // Andrea Dainese, andrea.dainese@lnl.infn.it | |
5 | //-------------------------------------------------------------------------- | |
6 | ||
7 | void AliD0toKpiReco() { | |
8 | ||
c75b58db | 9 | gSystem->Load("libANALYSIS"); |
7201805f | 10 | gSystem->Load("libANALYSISalice"); |
9af36e3a | 11 | gSystem->Load("libAOD.so"); |
12 | gSystem->Load("libPWG3base.so"); | |
7d7abf3f | 13 | gSystem->Load("libPWG3.so"); |
3d1d2038 | 14 | gSystem->Load("libPWG3vertexingOld.so"); |
eafbab77 | 15 | |
16 | //============== R E C O N S T R U C T I O N ============================== | |
17 | ||
18 | Int_t evFirst = 0; | |
19 | Int_t evLast = 1000000; | |
20 | ||
21 | // Get field from galice.root | |
22 | if (gAlice) { | |
23 | delete gAlice->GetRunLoader(); | |
24 | delete gAlice; | |
25 | gAlice=0; | |
26 | } | |
27 | AliRunLoader *rl = AliRunLoader::Open("galice.root"); | |
28 | if (rl == 0x0) { | |
29 | cerr<<"Can not open session"<<endl; | |
30 | return; | |
31 | } | |
32 | Int_t retval = rl->LoadgAlice(); | |
33 | if (retval) { | |
34 | cerr<<"LoadgAlice returned error"<<endl; | |
35 | delete rl; | |
36 | return; | |
37 | } | |
38 | gAlice=rl->GetAliRun(); | |
39 | AliMagF *fiel = (AliMagF*)gAlice->Field(); | |
40 | // Set the conversion constant between curvature and Pt | |
41 | AliTracker::SetFieldMap(fiel,kTRUE); | |
42 | ||
43 | AliD0toKpiAnalysis *analysis = new AliD0toKpiAnalysis(); | |
44 | // set simulation to take info on PDG codes from kine tree | |
45 | analysis->SetSimulation(); | |
46 | rl->LoadKinematics(); | |
47 | analysis->MakeTracksRefFile(gAlice,evFirst,evLast); | |
48 | //--- set this is you want only signal candidates in output file | |
49 | //analysis->SetOnlySignal(); | |
50 | //--- set this if you want to compute primary vertex D0 by D0 using | |
51 | // other tracks in the event (for pp, broad interaction region); | |
52 | // it is time-consuming procedure, so it can be done after a | |
53 | // preselection on invariant mass | |
54 | //analysis->SetVertexOnTheFly(); | |
55 | //analysis->SetMassCut(0.1); // GeV | |
56 | //--- set single-track preselections | |
57 | analysis->SetPtCut(0.); // GeV | |
58 | analysis->Setd0Cut(0.); // micron | |
59 | //--- set cuts on D0 candidates to be written to file | |
60 | // (see AliD0toKpiAnalysis.h for a description and for the defaults) | |
61 | //analysis->SetD0Cuts(0.1,1000.,1.1,0.,0.,10000.,10000.,0.,.5); | |
62 | analysis->SetD0Cuts(); | |
63 | ||
64 | //--- check the settings | |
65 | analysis->PrintStatus(); | |
66 | ||
67 | analysis->FindCandidates(evFirst,evLast,"AliD0toKpi.root"); | |
68 | delete analysis; | |
69 | ||
70 | return; | |
71 | } | |
72 | //========================================================================== | |
73 | void AliD0toKpiSele() { | |
74 | ||
c75b58db | 75 | gSystem->Load("libANALYSIS"); |
7201805f | 76 | gSystem->Load("libANALYSISalice"); |
9af36e3a | 77 | gSystem->Load("libAOD.so"); |
78 | gSystem->Load("libPWG3base.so"); | |
7d7abf3f | 79 | gSystem->Load("libPWG3.so"); |
3d1d2038 | 80 | gSystem->Load("libPWG3vertexingOld.so"); |
eafbab77 | 81 | |
82 | //======================== S E L E C T I O N ============================ | |
83 | ||
84 | AliD0toKpiAnalysis *analysis = new AliD0toKpiAnalysis(); | |
85 | analysis->SetSimulation(); | |
86 | analysis->SetOnlySignal(); | |
87 | analysis->SetD0Cuts(0.1,1000.,1.1,0.,0.,10000.,10000.,0.,.5); | |
88 | analysis->ApplySelection("AliD0toKpi.root","AliD0toKpi_sele.root"); | |
89 | delete analysis; | |
90 | ||
91 | return; | |
92 | } | |
93 | //========================================================================== | |
94 | ||
95 | ||
96 | ||
97 | ||
98 | ||
99 |