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

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revision 1.6 by pam-fi, Fri Sep 25 15:02:03 2009 UTC revision 1.8 by pam-fi, Tue Oct 27 10:24:01 2009 UTC
# Line 11  Line 11 
11  #include "TGraphAsymmErrors.h"  #include "TGraphAsymmErrors.h"
12    
13  extern "C" {  extern "C" {
14  bool efficiency_(Int_t*, Int_t*, Double_t*, Double_t*, Double_t*);  /*! @brief Fortran routine by Sergio Ricciarini which computes errors on the efficiency.
15     *
16     * This routine has been developed to carefully evaluate the error bars on the efficiency,
17     * which must have a value between 0 and 1. See the appendix of Sergio's PhD thesis for more
18     * details.
19     * The important thing is that the computed efficiency will have the unphysical value 1.1
20     * if there are less than 8 events in the efficiency sample (eg., the sample used to compute the
21     * efficiency). This is necessary to have a reliable estimate of the errors.
22     *
23     * @param sel Pointer to an Int_t variable containing the number of events in the efficiency sample.
24     * @param det Pointer to an Int_t variable containing the number of events in the efficiency sample
25     *            which satisfied the set of cuts  for which the efficiency is being measured.
26     * @param eff Pointer to a Double_t variable where the computed efficiency will be returned.
27     * @param errLow Pointer to a Double_t variable where the length of the lower error bar will
28     *               be returned.
29     * @param errHigh Pointer to a Double_t variable where the length of the upper error bar will
30     *               be returned.
31     * @return Not clear at this point... ignore it.
32     */
33    bool efficiency_(Int_t* sel, Int_t* det, Double_t* eff, Double_t* errLow, Double_t* errHigh);
34  }  }
35    
36  EffCollection::EffCollection(const char *collectionName, TString outFileBase, int errMethod) :  EffCollection::EffCollection(const char *collectionName, TString outFileBase, int errMethod, bool owns) :
37    VerboseCollection(collectionName), _selCollection("selCollection"), _detCollection("detCollection"), _outFileBase(    VerboseCollection(collectionName, owns), _selCollection("selCollection"), _detCollection("detCollection"), _outFileBase(
38        outFileBase), _errMethod(errMethod), _det(0), _sel(0) {        outFileBase), _errMethod(errMethod), _det(0), _sel(0) {
39    
40  }  }
41    
42  void EffCollection::AddDetectorCut(PamCut &cut) {  void EffCollection::AddDetectorCut(PamCut *cut) {
43    _detCollection.AddCut(cut);    _detCollection.AddCut(cut);
44  }  }
45    
46  void EffCollection::AddSelectionCut(PamCut &cut) {  void EffCollection::AddSelectionCut(PamCut *cut) {
47    _selCollection.AddCut(cut);    _selCollection.AddCut(cut);
48  }  }
49    
50  void EffCollection::AddDetectorAction(CollectionAction &action) {  void EffCollection::AddDetectorAction(CollectionAction *action) {
51    _detCollection.AddAction(action);    _detCollection.AddAction(action);
52  }  }
53    
54  void EffCollection::AddSelectionAction(CollectionAction &action) {  void EffCollection::AddSelectionAction(CollectionAction *action) {
55    _selCollection.AddAction(action);    _selCollection.AddAction(action);
56  }  }
57    
# Line 64  void EffCollection::Finalize() { Line 83  void EffCollection::Finalize() {
83    Int_t sel = (Int_t) _sel;    Int_t sel = (Int_t) _sel;
84    Int_t det = (Int_t) _det;    Int_t det = (Int_t) _det;
85    Double_t eff, errLow, errHigh;    Double_t eff, errLow, errHigh;
86    if (_errMethod == EFFRIG_ROOT) {    if (_errMethod == EFFERR_ROOT) {
87      if (sel < 8) {      if (sel < 8) {
88        eff = 1.1;        eff = 1.1;
89        errLow = errHigh = 0.;        errLow = errHigh = 0.;
# Line 82  void EffCollection::Finalize() { Line 101  void EffCollection::Finalize() {
101        errHigh = errGraph.GetErrorYhigh(0);        errHigh = errGraph.GetErrorYhigh(0);
102      }      }
103    }    }
104    if (_errMethod == EFFRIG_SERGIO) {    if (_errMethod == EFFERR_SERGIO) {
105      efficiency_(&sel, &det, &eff, &errLow, &errHigh);      efficiency_(&sel, &det, &eff, &errLow, &errHigh);
106    }    }
107    
# Line 96  void EffCollection::Finalize() { Line 115  void EffCollection::Finalize() {
115    // Write the output file    // Write the output file
116    if (_outFileBase != "") {    if (_outFileBase != "") {
117    
118      ofstream outTextFile((_outFileBase + "-eff.txt").Data(), ios_base::out);      ofstream outTextFile((_outFileBase + "-" + GetName() + ".txt").Data(), ios_base::out);
119      streamsize newPrec = 4;      streamsize newPrec = 4;
120      outTextFile.precision(newPrec);      outTextFile.precision(newPrec);
121      outTextFile.setf(ios::fixed, ios::floatfield);      outTextFile.setf(ios::fixed, ios::floatfield);
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