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>> 27 // $Id: XrayFluoDAtaSet.cc
>> 28 // GEANT4 tag $Name: xray_fluo-V03-02-00
27 // 29 //
28 // Author: Elena Guardincerri (Elena.Guardince 30 // Author: Elena Guardincerri (Elena.Guardincerri@ge.infn.it)
29 // 31 //
30 // History: 32 // History:
31 // ----------- 33 // -----------
32 // 28 Nov 2001 Elena Guardincerri Created 34 // 28 Nov 2001 Elena Guardincerri Created
33 // 35 //
34 // ------------------------------------------- 36 // -------------------------------------------------------------------
35 37
36 #include "XrayFluoDataSet.hh" 38 #include "XrayFluoDataSet.hh"
37 #include <fstream> 39 #include <fstream>
38 #include "G4VDataSetAlgorithm.hh" 40 #include "G4VDataSetAlgorithm.hh"
39 41
40 XrayFluoDataSet::XrayFluoDataSet(G4int /*Z*/, 42 XrayFluoDataSet::XrayFluoDataSet(G4int /*Z*/,
41 G4DataVector* points, 43 G4DataVector* points,
42 G4DataVector* values, 44 G4DataVector* values,
43 const G4VDataSetAlgorithm* interpolatio 45 const G4VDataSetAlgorithm* interpolation,
44 G4double unitE, G4double unitData) 46 G4double unitE, G4double unitData)
45 :energies(points), data(values), algorithm(i 47 :energies(points), data(values), algorithm(interpolation)
46 { 48 {
47 numberOfBins = energies->size(); 49 numberOfBins = energies->size();
48 unit1 = unitE; 50 unit1 = unitE;
49 unit2 = unitData; 51 unit2 = unitData;
50 } 52 }
51 53
52 //....oooOO0OOooo........oooOO0OOooo........oo 54 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
53 55
54 XrayFluoDataSet:: XrayFluoDataSet(G4int /*Z*/, 56 XrayFluoDataSet:: XrayFluoDataSet(G4int /*Z*/,
55 const G4String& dataFile, 57 const G4String& dataFile,
56 const G4VDataSetAlgorithm* interpolati 58 const G4VDataSetAlgorithm* interpolation,
57 G4double unitE, G4double unitData) 59 G4double unitE, G4double unitData)
58 : algorithm(interpolation) 60 : algorithm(interpolation)
59 { 61 {
60 energies = new G4DataVector; 62 energies = new G4DataVector;
61 data = new G4DataVector; 63 data = new G4DataVector;
62 unit1 = unitE; 64 unit1 = unitE;
63 unit2 = unitData; 65 unit2 = unitData;
64 LoadData(dataFile); 66 LoadData(dataFile);
65 numberOfBins = energies->size(); 67 numberOfBins = energies->size();
66 } 68 }
67 69
68 //....oooOO0OOooo........oooOO0OOooo........oo 70 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
69 71
70 // Destructor 72 // Destructor
71 XrayFluoDataSet::~XrayFluoDataSet() 73 XrayFluoDataSet::~XrayFluoDataSet()
72 { 74 {
73 delete energies; 75 delete energies;
74 delete data; 76 delete data;
75 } 77 }
76 78
77 //....oooOO0OOooo........oooOO0OOooo........oo 79 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
78 80
79 G4double XrayFluoDataSet::FindValue(G4double e 81 G4double XrayFluoDataSet::FindValue(G4double e, G4int) const
80 { 82 {
81 G4double value; 83 G4double value;
82 G4double e0 = (*energies)[0]; 84 G4double e0 = (*energies)[0];
83 // Protections 85 // Protections
84 size_t bin = FindBinLocation(e); 86 size_t bin = FindBinLocation(e);
85 if (bin == numberOfBins) 87 if (bin == numberOfBins)
86 { 88 {
87 89
88 value = (*data)[bin]; 90 value = (*data)[bin];
89 } 91 }
90 else if (e <= e0) 92 else if (e <= e0)
91 { 93 {
92 94
93 value = (*data)[0]; 95 value = (*data)[0];
94 } 96 }
95 else 97 else
96 { 98 {
97 value = algorithm->Calculate(e,bin,*ener 99 value = algorithm->Calculate(e,bin,*energies,*data);
98 } 100 }
99 101
100 return value; 102 return value;
101 } 103 }
102 104
103 //....oooOO0OOooo........oooOO0OOooo........oo 105 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
104 106
105 G4int XrayFluoDataSet::FindBinLocation(G4doubl 107 G4int XrayFluoDataSet::FindBinLocation(G4double energy) const
106 { 108 {
107 // Protection against call outside allowed r 109 // Protection against call outside allowed range
108 G4double e0 = (*energies)[0]; 110 G4double e0 = (*energies)[0];
109 if (energy < e0) 111 if (energy < e0)
110 { 112 {
111 113
112 energy = e0; 114 energy = e0;
113 } 115 }
114 116
115 size_t lowerBound = 0; 117 size_t lowerBound = 0;
116 size_t upperBound = numberOfBins - 1; 118 size_t upperBound = numberOfBins - 1;
117 119
118 // Binary search 120 // Binary search
119 while (lowerBound <= upperBound) 121 while (lowerBound <= upperBound)
120 { 122 {
121 size_t midBin = (lowerBound + upperBound 123 size_t midBin = (lowerBound + upperBound)/2;
122 if ( energy < (*energies)[midBin] ) uppe 124 if ( energy < (*energies)[midBin] ) upperBound = midBin-1;
123 else lowerBound = midBin+1; 125 else lowerBound = midBin+1;
124 } 126 }
125 127
126 return upperBound; 128 return upperBound;
127 } 129 }
128 130
129 //....oooOO0OOooo........oooOO0OOooo........oo 131 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
130 132
131 G4bool XrayFluoDataSet::LoadData(const G4Strin 133 G4bool XrayFluoDataSet::LoadData(const G4String& fileName)
132 { 134 {
133 // Build the complete string identifying the 135 // Build the complete string identifying the file with the data set
134 G4String dirFile = ""; 136 G4String dirFile = "";
135 137
136 char* path; 138 char* path;
137 139
138 path = std::getenv("XRAYDATA"); << 140 path = getenv("XRAYDATA");
139 if (!path) 141 if (!path)
140 path = std::getenv("PWD"); << 142 path = getenv("PWD");
141 143
142 //G4cout << path << G4endl; 144 //G4cout << path << G4endl;
143 //G4cout << fileName << G4endl; 145 //G4cout << fileName << G4endl;
144 146
145 147
146 G4String pathString(path); 148 G4String pathString(path);
147 pathString += "\0"; 149 pathString += "\0";
148 dirFile = pathString + "/" + fileName + ".da 150 dirFile = pathString + "/" + fileName + ".dat";
149 151
150 std::ifstream file(dirFile); 152 std::ifstream file(dirFile);
151 std::filebuf* lsdp = file.rdbuf(); 153 std::filebuf* lsdp = file.rdbuf();
152 154
153 if (! (lsdp->is_open()) ) 155 if (! (lsdp->is_open()) )
154 { 156 {
155 G4ExceptionDescription execp; 157 G4ExceptionDescription execp;
156 execp << "XrayFluoDataSet - data file: " + 158 execp << "XrayFluoDataSet - data file: " + dirFile + " not found"<<G4endl;
157 G4Exception("XrayFluoDataSet::LoadData()", 159 G4Exception("XrayFluoDataSet::LoadData()","example-xray_fluorescence01",
158 FatalException, execp); 160 FatalException, execp);
159 } 161 }
160 G4double a = 0; 162 G4double a = 0;
161 G4int k = 1; 163 G4int k = 1;
162 164
163 do 165 do
164 { 166 {
165 file >> a; 167 file >> a;
166 G4int nColumns = 2; 168 G4int nColumns = 2;
167 // The file is organized into two column 169 // The file is organized into two columns:
168 // 1st column is the energy 170 // 1st column is the energy
169 // 2nd column is the corresponding value 171 // 2nd column is the corresponding value
170 // The file terminates with the pattern: 172 // The file terminates with the pattern: -1 -1
171 // 173 // -2 -2
172 if (a == -1 || a == -2) 174 if (a == -1 || a == -2)
173 { 175 {
174 176
175 } 177 }
176 else 178 else
177 { 179 {
178 if (k%nColumns != 0) 180 if (k%nColumns != 0)
179 { 181 {
180 G4double e = a * unit1; 182 G4double e = a * unit1;
181 energies->push_back(e); 183 energies->push_back(e);
182 184
183 k++; 185 k++;
184 186
185 } 187 }
186 else if (k%nColumns == 0) 188 else if (k%nColumns == 0)
187 { 189 {
188 G4double value = a * unit2; 190 G4double value = a * unit2;
189 data->push_back(value); 191 data->push_back(value);
190 192
191 k = 1; 193 k = 1;
192 } 194 }
193 } 195 }
194 196
195 } while (a != -2); // end of file 197 } while (a != -2); // end of file
196 198
197 file.close(); 199 file.close();
198 return true; 200 return true;
199 201
200 } 202 }
201 203
202 //....oooOO0OOooo........oooOO0OOooo........oo 204 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
203 205
204 void XrayFluoDataSet::PrintData() const 206 void XrayFluoDataSet::PrintData() const
205 { 207 {
206 size_t size = numberOfBins; 208 size_t size = numberOfBins;
207 for (size_t i=0; i<size; i++) 209 for (size_t i=0; i<size; i++)
208 { 210 {
209 G4double e = (*energies)[i] / unit1; 211 G4double e = (*energies)[i] / unit1;
210 G4double sigma = (*data)[i] / unit2 ; 212 G4double sigma = (*data)[i] / unit2 ;
211 G4cout << "Point: " 213 G4cout << "Point: "
212 << e 214 << e
213 << " - Data value : " 215 << " - Data value : "
214 << sigma 216 << sigma
215 << G4endl; 217 << G4endl;
216 } 218 }
217 } 219 }
218 220
219 221
220 222
221 223