Geant4  10.03.p02
 All Classes Namespaces Files Functions Variables Typedefs Enumerations Enumerator Friends Macros Groups Pages
G4SemiLogInterpolation Class Reference

#include <G4SemiLogInterpolation.hh>

Inheritance diagram for G4SemiLogInterpolation:
Collaboration diagram for G4SemiLogInterpolation:

Public Member Functions

 G4SemiLogInterpolation ()
 
 ~G4SemiLogInterpolation ()
 
G4double Calculate (G4double point, G4int bin, const G4DataVector &energies, const G4DataVector &data) const
 
G4double Calculate (G4double point, G4int bin, const G4DataVector &energies, const G4DataVector &data, const G4DataVector &log_energies, const G4DataVector &log_data) const
 
virtual G4VDataSetAlgorithmClone () const
 
- Public Member Functions inherited from G4VDataSetAlgorithm
 G4VDataSetAlgorithm ()
 
virtual ~G4VDataSetAlgorithm ()
 

Detailed Description

Definition at line 53 of file G4SemiLogInterpolation.hh.

Constructor & Destructor Documentation

G4SemiLogInterpolation::G4SemiLogInterpolation ( )

Definition at line 41 of file G4SemiLogInterpolation.cc.

42 { }

Here is the caller graph for this function:

G4SemiLogInterpolation::~G4SemiLogInterpolation ( )

Definition at line 47 of file G4SemiLogInterpolation.cc.

48 { }

Member Function Documentation

G4double G4SemiLogInterpolation::Calculate ( G4double  point,
G4int  bin,
const G4DataVector energies,
const G4DataVector data 
) const
virtual

Implements G4VDataSetAlgorithm.

Definition at line 54 of file G4SemiLogInterpolation.cc.

57 {
58  //G4cout << "G4SemiLogInterpolation is performed(2 arguments) " << G4endl;
59  G4int nBins = data.size() - 1;
60  G4double value = 0.;
61  if (x < points[0])
62  {
63  value = 0.;
64  }
65  else if (bin < nBins)
66  {
67  G4double e1 = points[bin];
68  G4double e2 = points[bin+1];
69  G4double d1 = data[bin];
70  G4double d2 = data[bin+1];
71  value = (d1*std::log10(e2/x) + d2*std::log10(x/e1)) / std::log10(e2/e1);
72  }
73  else
74  {
75  value = data[nBins];
76  }
77  return value;
78 }
tuple bin
Definition: plottest35.py:22
static const G4double d2
tuple x
Definition: test.py:50
int G4int
Definition: G4Types.hh:78
const XML_Char int const XML_Char * value
Definition: expat.h:331
static const G4double d1
double G4double
Definition: G4Types.hh:76
G4double G4SemiLogInterpolation::Calculate ( G4double  point,
G4int  bin,
const G4DataVector energies,
const G4DataVector data,
const G4DataVector log_energies,
const G4DataVector log_data 
) const
virtual

Implements G4VDataSetAlgorithm.

Definition at line 80 of file G4SemiLogInterpolation.cc.

85 {
86 //A combination of logarithmic interpolation on energy set and
87 //linear Interpolation on data set
88  //G4cout << "G4SemiLogInterpolation is performed (4 arguments)" << G4endl;
89  G4int nBins = data.size() - 1;
90  G4double value = 0.;
91  G4double log_x = std::log10(x);
92  if (x < points[0])
93  {
94  value = 0.;
95  }
96  else if (bin < nBins)
97  {
98  G4double e1 = points[bin];
99  G4double e2 = points[bin+1];
100  G4double d1 = data[bin];
101  G4double d2 = data[bin+1];
102  G4double log_e1 = log_points[bin];
103  G4double log_e2 = log_points[bin+1];
104  //G4double log_d1 = log_data[bin];
105  //G4double log_d2 = log_data[bin+1];
106  //G4cout << "x = " << x << " , log_x = " << log_x << " , bin = " << bin << G4endl;
107  //G4cout << "e1 = " << e1 << " , d1 = " << d1 << G4endl;
108  //G4cout << "e2 = " << e2 << " , d2 = " << d2 << G4endl;
109 // Values log_e1 and log_e2 are the log values of the corresponding
110 // original energy actual values. Original d1 and d2 values are used.
111 // Simple linear interpolation performed on loagarithmic data
112 // should be equivalent to semi log-log interpolation
113  if (e1 == 0.0) log_e1 = -300;
114  if (e2 == 0.0) log_e2 = -300;
115  value = d1 + (d2 - d1)*(log_x - log_e1)/(log_e2 - log_e1);
116  //G4cout << "G4SemiLogInterpolation - Final Interpolated Value: " << value << G4endl << G4endl;
117  }
118  else
119  {
120  value = data[nBins];
121  }
122  return value;
123 }
tuple bin
Definition: plottest35.py:22
static const G4double d2
tuple x
Definition: test.py:50
int G4int
Definition: G4Types.hh:78
const XML_Char int const XML_Char * value
Definition: expat.h:331
static const G4double d1
double G4double
Definition: G4Types.hh:76
G4VDataSetAlgorithm * G4SemiLogInterpolation::Clone ( ) const
virtual

Implements G4VDataSetAlgorithm.

Definition at line 50 of file G4SemiLogInterpolation.cc.

Here is the call graph for this function:


The documentation for this class was generated from the following files: