/[PAMELA software]/PamCut/Collections/EffRigCollection/EffRigCollection.cpp
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Diff of /PamCut/Collections/EffRigCollection/EffRigCollection.cpp

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revision 1.2 by pam-fi, Thu Sep 24 18:17:26 2009 UTC revision 1.3 by pam-fi, Fri Sep 25 15:02:02 2009 UTC
# Line 9  Line 9 
9    
10  #include "EffRigCollection.h"  #include "EffRigCollection.h"
11    
12    #include "TGraphAsymmErrors.h"
13    
14  extern "C" {  extern "C" {
15  bool efficiency_(Int_t*, Int_t*, Double_t*, Double_t*, Double_t*);  bool efficiency_(Int_t*, Int_t*, Double_t*, Double_t*, Double_t*);
16  }  }
17    
18  EffRigCollection::EffRigCollection(const char *collectionName, TString outFileBase, TString rigBinsFile, bool absRig) :  EffRigCollection::EffRigCollection(const char *collectionName, TString outFileBase, TString rigBinsFile, int errMethod) :
19    EffCollection(collectionName, outFileBase), _bins(0), _selVector(0), _detVector(0), _outUp(0), _outDown(0) {    EffCollection(collectionName, outFileBase, errMethod), _bins(0), _selVector(0), _detVector(0), _outUp(0), _outDown(0) {
20    
21    ifstream rigBinListFile;    ifstream rigBinListFile;
22    rigBinListFile.open(rigBinsFile);    rigBinListFile.open(rigBinsFile);
# Line 39  int EffRigCollection::ApplyCut(PamLevel2 Line 41  int EffRigCollection::ApplyCut(PamLevel2
41      // Check if the event is inside the rigidity range      // Check if the event is inside the rigidity range
42      // NOTE: at this point a TrkPhSinCut should be already performed,      // NOTE: at this point a TrkPhSinCut should be already performed,
43      //       since we are going to retrieve rigidity.      //       since we are going to retrieve rigidity.
44      float rig;  
45      if (_absRig) {      float rig = event->GetTrack(0)->GetTrkTrack()->GetRigidity();
46        rig = event->GetTrack(0)->GetTrkTrack()->GetRigidity();  
     }  
     else  
       rig = 1. / event->GetTrack(0)->GetTrkTrack()->GetDeflection();  
47      if (rig >= _bins[0]) {      if (rig >= _bins[0]) {
48        int i = 1;        int i = 1;
49        while (rig >= _bins[i] && i < (int) _bins.size()) {        while (rig >= _bins[i] && i < (int) _bins.size()) {
# Line 91  void EffRigCollection::Finalize() { Line 90  void EffRigCollection::Finalize() {
90    for (unsigned int i = 0; i < _selVector.size(); i++) {    for (unsigned int i = 0; i < _selVector.size(); i++) {
91      sel[i] = (Int_t) _selVector[i];      sel[i] = (Int_t) _selVector[i];
92      det[i] = (Int_t) _detVector[i];      det[i] = (Int_t) _detVector[i];
     efficiency_(&(sel[i]), &(det[i]), &(eff[i]), &(errLow[i]), &(errHigh[i]));  
93    }    }
94    
95      TGraphAsymmErrors errGraph;
96      errGraph.SetName(GetName());
97      errGraph.SetMarkerColor(kRed);
98      errGraph.SetMarkerStyle(7);
99      errGraph.GetYaxis()->SetRangeUser(0, 1.2);
100    
101      if (_errMethod == EFFRIG_ROOT) {
102        double binning[_bins.size()];
103        for (unsigned int i = 0; i < _bins.size(); i++)
104          binning[i] = _bins[i];
105    
106        TH1I pass("pass", "pass", _bins.size() - 1, binning);
107        TH1I total("total", "total", _bins.size() - 1, binning);
108        for (unsigned int i = 0; i < _selVector.size(); i++) {
109          cout << (binning[i + 1] + binning[i]) / 2. << "  " << det[i] << "  " << sel[i] << endl;
110          for (int j = 0; j < det[i]; j++)
111            pass.Fill((binning[i + 1] + binning[i]) / 2.);
112          for (int j = 0; j < sel[i]; j++)
113            total.Fill((binning[i + 1] + binning[i]) / 2.);
114        }
115    
116        errGraph.BayesDivide(&pass, &total);
117        Double_t graphX;
118        double currBin;
119        int currPoint = 0;
120        //cout << errGraph.GetN() << "  " << pass.GetNbinsX() << "  " << total.GetNbinsX() << endl;
121        for (unsigned int i = 0; i < _selVector.size(); i++) {
122          errGraph.GetPoint(currPoint, graphX, eff[i]);
123          currBin = (binning[i + 1] + binning[i]) / 2.;
124          if (currBin == graphX) {
125            if (_selVector[i] < 8) {
126              eff[i] = 1.1;
127              errLow[i] = errHigh[i] = 0.;
128              errGraph.SetPoint(currPoint, graphX, 1.1);
129              float halfBin = (binning[i + 1] - binning[i]) / 2.;
130              errGraph.SetPointError(currPoint, halfBin, halfBin, 0., 0.);
131            }
132            currPoint++;
133          }
134        }
135    
136      }
137      if (_errMethod == EFFRIG_SERGIO) {
138        for (unsigned int i = 0; i < _selVector.size(); i++) {
139          efficiency_(&(sel[i]), &(det[i]), &(eff[i]), &(errLow[i]), &(errHigh[i]));
140        }
141    
142      }
143    
144    // Write the output files    // Write the output files
145    if (_outFileBase != "") {    if (_outFileBase != "") {
146      ofstream outTextFile((_outFileBase + "-eff-rig.txt").Data(), ios_base::out);      ofstream outTextFile((_outFileBase + "-eff-rig.txt").Data(), ios_base::out);
# Line 107  void EffRigCollection::Finalize() { Line 155  void EffRigCollection::Finalize() {
155          outTextFile << setw(10) << 0. << setw(10) << 0. << setw(10) << 0. << endl;          outTextFile << setw(10) << 0. << setw(10) << 0. << setw(10) << 0. << endl;
156    
157      }      }
158    
159      outTextFile.close();      outTextFile.close();
160        if (_errMethod == EFFRIG_ROOT) {
161          TFile outRootFile((_outFileBase + "-eff-rig.root"), "RECREATE");
162          outRootFile.cd();
163          errGraph.Write();
164          outRootFile.Close();
165        }
166    }    }
167    
168  }  }
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