svalue/src/MyFileReader.cc

0001 //
0002 // ********************************************************************
0003 // * License and Disclaimer                                           *
0004 // *                                                                  *
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0017 // *                                                                  *
0018 // * This  code  implementation is the result of  the  scientific and *
0019 // * technical work of the GEANT4 collaboration.                      *
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0024 // ********************************************************************
0025 //
0026 // Derived from
0027 //  https://twiki.cern.ch/twiki/bin/view/Geant4/QuickMigrationGuideForGeant4V10
0028 // Courtesy of A. Dotti
0029 //
0030 // This example is provided by the Geant4-DNA collaboration
0031 // Any report or published results obtained using the Geant4-DNA software
0032 // shall cite the following Geant4-DNA collaboration publications:
0033 // Med. Phys. 45 (2018) e722-e739
0034 // Phys. Med. 31 (2015) 861-874
0035 // Med. Phys. 37 (2010) 4692-4708
0036 // Int. J. Model. Simul. Sci. Comput. 1 (2010) 157–178
0037 //
0038 // The Geant4-DNA web site is available at http://geant4-dna.org
0039 //
0040 /// \file medical/dna/svalue/src/MyFileReader.cc
0041 /// \brief Implementation of the MyFileReader class
0042
0043 #include "MyFileReader.hh"
0044
0045 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0046
0047 MyFileReader::MyFileReader()
0048 {
0049   //******************************************************************
0050   //*** Specify file name containing list of incident energies (in eV)
0051   //******************************************************************
0052   G4String fileName = "spectrum.txt";
0053   //
0054
0055   fInputFile.open(fileName.data());
0056 }
0057
0058 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0059
0060 MyFileReader::~MyFileReader()
0061 {
0062   fInputFile.close();
0063 }
0064
0065 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0066
0067 G4double MyFileReader::GetAnEvent()
0068 {
0069   //*******************************************
0070   //*** Specify number of lines to read at once
0071   //*******************************************
0072   G4int numberOfLinesToRead = 100;
0073   //
0074
0075   if (fEvList.size() == 0) {
0076     for (G4int i = 0; i < numberOfLinesToRead; i++) {
0077       G4double nrj;
0078       fInputFile >> nrj;
0079       fEvList.push_back(nrj);
0080     }
0081   }
0082
0083   // Get first element from list
0084   G4double ev = fEvList.front();
0085
0086   // Remove this element from list
0087   fEvList.pop_front();
0088
0089   return ev;
0090 }