/[PAMELA software]/PamCut/TrkCuts/TrkChi2DeflTimeCut/TrkChi2DeflTimeCut.cpp
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Diff of /PamCut/TrkCuts/TrkChi2DeflTimeCut/TrkChi2DeflTimeCut.cpp

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revision 1.2 by pam-fi, Thu Nov 12 16:41:43 2009 UTC revision 1.5 by pam-fi, Fri May 27 14:01:39 2011 UTC
# Line 7  Line 7 
7    
8  #include "TrkChi2DeflTimeCut.h"  #include "TrkChi2DeflTimeCut.h"
9    
10  double TrkChi2DeflTimeCut::_GetChi2(PamLevel2 *event){  double TrkChi2DeflTimeCut::_GetChi2(PamLevel2 *event) {
11    return event->GetTrack(0)->GetTrkTrack()->chi2;    return event->GetTrack(0)->GetTrkTrack()->chi2;
12  }  }
13    
# Line 16  int TrkChi2DeflTimeCut::Check(PamLevel2 Line 16  int TrkChi2DeflTimeCut::Check(PamLevel2
16    double chi2 = _GetChi2(event);    double chi2 = _GetChi2(event);
17    if (chi2 < 0.)    if (chi2 < 0.)
18      return 0;      return 0;
19    Double_t eta2 = event->GetTrack(0)->GetTrkTrack()->GetDeflection(); //Sign doesn't matter    Double_t etaMod = fabs(event->GetTrack(0)->GetTrkTrack()->GetDeflection());
   eta2 *= eta2;  // Now eta2 is deflection^2  
   
 #ifdef DEBUGPAMCUT  
   
   h_trk_chi2_defl[0]->Fill(event->GetTrack(0)->GetTrkTrack()->GetDeflection(), pow(chi2,0.25));  
   
 #endif  
20    
21    _time.Set(event->GetOrbitalInfo()->absTime, kFALSE, 0, kFALSE);    _time.Set(event->GetOrbitalInfo()->absTime, kFALSE, 0, kFALSE);
22    // TTimestamp::GetDate() returns date in format YYYYMMDD so to compare it    // TTimestamp::GetDate() returns date in format YYYYMMDD so to compare it
23    // with 4-digits dates (YYMM) we must subtract 20000000 and then divide by 100 (divide by integer)    // with 6-digits dates (YYMMDD) we must subtract 20000000
24    
25    Int_t iMonthSel = (_time.GetDate(kFALSE) - 20000000)/100; // note: GetDate returns an unsigned integer    Int_t iDaySel = (_time.GetDate(kFALSE) - 20000000); // note: GetDate returns an unsigned integer
26        
27    for (UInt_t i=0; i<_iMonth.size(); i++) {    bool found = false;
28      if (_iMonth[i]==iMonthSel) {    for (UInt_t i = 0; i < _iDayFirst.size(); i++) {
29        _p0sel=_p0[i];      if (_iDayFirst[i] <= iDaySel && iDaySel <= _iDayLast[i]) {
30        _p1sel=_p1[i];        for (int iPar=0; iPar<_nPar; iPar++) {
31        _p2sel=_p2[i];          _pSel[iPar] = _p[iPar][i];
32  //      cout << "FOUND: month " << iMonthSel << endl;        }
33  //      cout << _p0sel << " " << _p1sel << " " << _p2sel << endl;        
34    //      cout << "FOUND: day " << iDaySel << endl;
35    //      cout << _iDayFirst[i] << " " << _iDayLast[i] << endl;
36    //      cout << _pSel[0] << " " << _pSel[1] << " " << _pSel[2] << " " << _pSel[3] << endl;
37    
38          found = true;
39        break;        break;
40      }      }
41    }    }
42      
43    if (chi2 > _p0sel + _p1sel * eta2 + _p2sel * eta2 * eta2) {    if (!found)
44      return 0;      return 0;
45    
46      double chi2max;
47      
48      if (_nPar==4) {
49      
50        chi2max=_pSel[0] + _pSel[1] * pow(etaMod, _pSel[2]) * (1. + pow(_pSel[3] * etaMod, 2));
51    
52    //    cout << "chi2max " << chi2max << endl;
53    
54      }
55      else if (_nPar==5) {
56        chi2max=_pSel[0] + _pSel[1] * pow(etaMod, _pSel[2]) * (1. + pow(_pSel[3] * etaMod, _pSel[4]));
57      }
58      else {
59        chi2max=-1;
60    }    }
61    
62  #ifdef DEBUGPAMCUT  //  cout << "chi2 " << chi2 << endl;
63      
64      if (chi2 > chi2max) {
65      
66    //    cout << "KO" << endl;
67        
68        return 0;
69    
70    h_trk_chi2_defl[1]->Fill(event->GetTrack(0)->GetTrkTrack()->GetDeflection(), pow(chi2,0.25));    }
71    
72  #endif  //  cout << "OK" << endl;
73    
74    return CUTOK;    return CUTOK;
75    
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