Geant4_10
XrayFluoNormalization.cc
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27 // $Id: XrayFluoAnalysisMessenger.cc
28 // GEANT4 tag $Name: xray_fluo-V03-02-00
29 //
30 // Author: Elena Guardincerri (Elena.Guardincerri@ge.infn.it)
31 //
32 // History:
33 // -----------
34 // 28 Nov 2001 Elena Guardincerri Created
35 //
36 // -------------------------------------------------------------------
37 
38 #include "XrayFluoNormalization.hh"
39 #include "XrayFluoDataSet.hh"
40 #include "G4SystemOfUnits.hh"
41 #include "G4VDataSetAlgorithm.hh"
42 #include "G4LogLogInterpolation.hh"
43 
45 
46 { }
47 
49 
50 { }
51 
52 const XrayFluoDataSet* XrayFluoNormalization::Normalize(G4double minIntExtreme, G4double maxIntExtreme, G4int nBins, G4String fileName)
53 {
54 
55  G4VDataSetAlgorithm* interpolation = new G4LogLogInterpolation();
56 
57  XrayFluoDataSet* dataSet =
58  new XrayFluoDataSet(1,fileName,interpolation,keV,1);
59 
60  G4double integral = Integrate(minIntExtreme, maxIntExtreme, nBins, dataSet);
61 
62  G4VDataSetAlgorithm* interpolation2 = new G4LogLogInterpolation();
63 
64  XrayFluoDataSet* finalDataSet = new XrayFluoDataSet(1,fileName,interpolation2,keV,1/(integral/keV));
65  return finalDataSet;
66 }
67 
68 G4double XrayFluoNormalization::Integrate(G4double minIntExtreme, G4double maxIntExtreme, G4int nBins, XrayFluoDataSet* dataSet)
69 {
70  G4double partialHeight = 0;
71  G4int id = 0;
72  G4double lenghtOfBins = (maxIntExtreme - minIntExtreme)/nBins;
73 
74  for (G4int i = 0; i<nBins; i++)
75  {
76  G4double midPoint = minIntExtreme + i*lenghtOfBins+lenghtOfBins/2;
77 
78  G4double heightOfRectangle = dataSet->FindValue(midPoint,id);
79 
80  partialHeight += heightOfRectangle;
81 
82  }
83 
84  G4double integral = lenghtOfBins * partialHeight;
85 
86  delete dataSet;
87  dataSet = 0;
88  return integral;
89 }
90 
91 
92 
93 
int G4int
Definition: G4Types.hh:78
G4double FindValue(G4double e, G4int) const
double G4double
Definition: G4Types.hh:76
const XrayFluoDataSet * Normalize(G4double, G4double, G4int, G4String)