G4MicroElecCrossSectionDataSet_new.cc

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//
//  MR - 04/04/2012
//  Based on G4DNACrossSectionDataSet
// 
 
#include "G4MicroElecCrossSectionDataSet_new.hh"
#include "G4VDataSetAlgorithm.hh"
#include "G4EMDataSet.hh"
#include <vector>
#include <fstream>
#include <sstream>
 
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
 
 
G4MicroElecCrossSectionDataSet_new::G4MicroElecCrossSectionDataSet_new(G4VDataSetAlgorithm* argAlgorithm, 
                           G4double argUnitEnergies, 
                           G4double argUnitData)
  :
   algorithm(argAlgorithm), unitEnergies(argUnitEnergies), unitData(argUnitData)
{;}
 
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
 
G4MicroElecCrossSectionDataSet_new::~G4MicroElecCrossSectionDataSet_new()
{
  CleanUpComponents();
 
  if (algorithm)
    delete algorithm;
}
 
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
 
G4bool G4MicroElecCrossSectionDataSet_new::LoadData(const G4String & argFileName)
{
  CleanUpComponents();
  G4cout << "loaddata : " << argFileName << G4endl;
  G4String fullFileName(FullFileName(argFileName));
  std::ifstream in(fullFileName, std::ifstream::binary|std::ifstream::in);
  
  if (!in.is_open())
    {
      G4String message("Data file \"");
      message+=fullFileName;
      message+="\" not found";
      G4Exception("G4MicroElecCrossSectionDataSet_new::LoadData","em0003",
          FatalException,message);
      return false;
    }
  
  std::vector<G4DataVector *> columns;
  std::vector<G4DataVector *> log_columns;
  
  std::stringstream *stream(new std::stringstream);
  char c;
  G4bool comment(false);
  G4bool space(true);
  G4bool first(true);
  
  try
    {
      while (!in.eof())
    {
      in.get(c);
      
      switch (c)
        {
        case '\r':
        case '\n':
          if (!first)
        {
          unsigned long i(0);
          G4double value;
          
          while (!stream->eof())
            {
              (*stream) >> value;
              
              while (i>=columns.size())
                        {
              columns.push_back(new G4DataVector);
              log_columns.push_back(new G4DataVector);
                        }
              
              columns[i]->push_back(value);
              
              // N. A. Karakatsanis
              // A condition is applied to check if negative or zero values are present in the dataset.
              // If yes, then a near-zero value is applied to allow the computation of the logarithmic value
              // If a value is zero, this simplification is acceptable
              // If a value is negative, then it is not acceptable and the data of the particular column of
              // logarithmic values should not be used by interpolation methods.
              //
              // Therefore, G4LogLogInterpolation and G4LinLogLogInterpolation should not be used if negative values are present.
              // Instead, G4LinInterpolation is safe in every case
              // SemiLogInterpolation is safe only if the energy columns are non-negative
              // G4LinLogInterpolation is safe only if the cross section data columns are non-negative
              
                      if (value <=0.) value = 1e-300;
                      log_columns[i]->push_back(std::log10(value));
              
              i++;
            }
          
          delete stream;
          stream=new std::stringstream;
        }
          
          first=true;
          comment=false;
          space=true;
          break;
          
        case '#':
          comment=true;
          break;
          
        case '\t':
          c=' ';
              break; 
        //case ' ':
            //  if (space)
        //  break;
        default:
              if ((c==' ') && space)
                 break;
              
          if (comment)
        break;
          
          if (c==' ')
        space=true;
          else
        {
          if (space && (!first))
            (*stream) << ' ';
          
          first=false;
          (*stream) << c;
          space=false;
        }
        }
    }
    }
  catch(const std::ios::failure &e)
    {
      // some implementations of STL could throw a "failture" exception
      // when read wants read characters after end of file
    }
  delete stream;
  
  std::size_t maxI(columns.size());
  
  if (maxI<2)
    {
      G4String message("Data file \"");
      message+=fullFileName;
      message+="\" should have at least two columns";
      G4Exception("G4MicroElecCrossSectionDataSet_new::LoadData","em0005",
          FatalException,message);
      return false;
    }
  
  std::size_t i(1);
  while (i<maxI)
    {
      std::size_t maxJ(columns[i]->size());
      
      if (maxJ!=columns[0]->size())
    {
      G4String message("Data file \"");
      message+=fullFileName;
      message+="\" has lines with a different number of columns";
      G4Exception("G4MicroElecCrossSectionDataSet_new::LoadData","em0005",
                      FatalException,message);
      return false;
    }
      
      std::size_t j(0);
      
      G4DataVector *argEnergies=new G4DataVector;
      G4DataVector *argData=new G4DataVector;
      G4DataVector *argLogEnergies=new G4DataVector;
      G4DataVector *argLogData=new G4DataVector;
      
      while(j<maxJ)
    {
      argEnergies->push_back(columns[0]->operator[] (j)*GetUnitEnergies());
      argData->push_back(columns[i]->operator[] (j)*GetUnitData());
      argLogEnergies->push_back(log_columns[0]->operator[] (j) + std::log10(GetUnitEnergies()));
      argLogData->push_back(log_columns[i]->operator[] (j) + std::log10(GetUnitData()));
      j++;
    }
      
      AddComponent(new G4EMDataSet(G4int(i-1), argEnergies, argData, argLogEnergies, argLogData, GetAlgorithm()->Clone(), GetUnitEnergies(), GetUnitData()));
      
      ++i;
    }
  
  i=maxI;
  while (i>0)
    {
      i--;
      delete columns[i];
      delete log_columns[i];
    }
 
  return true;
}
 
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
 
G4bool G4MicroElecCrossSectionDataSet_new::LoadNonLogData(const G4String & argFileName)
{
  CleanUpComponents();
 
  G4String fullFileName(FullFileName(argFileName));
  std::ifstream in(fullFileName, std::ifstream::binary|std::ifstream::in);
 
  if (!in.is_open())
    {
      G4String message("Data file \"");
      message+=fullFileName;
      message+="\" not found";
      G4Exception("G4MicroElecCrossSectionDataSet_new::LoadData","em0003",
                      FatalException,message);
      return false;
    }
 
  std::vector<G4DataVector *> columns;
 
  std::stringstream *stream(new std::stringstream);
  char c;
  G4bool comment(false);
  G4bool space(true);
  G4bool first(true);
 
  try
    {
      while (!in.eof())
    {
      in.get(c);
   
      switch (c)
        {
        case '\r':
        case '\n':
          if (!first)
        {
          unsigned long i(0);
          G4double value;
      
          while (!stream->eof())
            {
              (*stream) >> value;
       
              while (i>=columns.size())
                        {
             columns.push_back(new G4DataVector);
                        }
      
              columns[i]->push_back(value);
       
              i++;
            }
      
          delete stream;
          stream=new std::stringstream;
        }
     
          first=true;
          comment=false;
          space=true;
          break;
     
        case '#':
          comment=true;
          break;
     
        default:
              if( c=='\t')
                 c=' ';
              if( c==' ' && space)
                 break;
 
          if (comment)
        break;
     
          if (c==' ')
        space=true;
          else
        {
          if (space && (!first))
            (*stream) << ' ';
      
          first=false;
          (*stream) << c;
          space=false;
        }
        }
    }
    }
  catch(const std::ios::failure &e)
    {
      // some implementations of STL could throw a "failture" exception
      // when read wants read characters after end of file
    }
 
  delete stream;
 
  std::size_t maxI(columns.size());
 
  if (maxI<2)
    {
      G4String message("Data file \"");
      message+=fullFileName;
      message+="\" should have at least two columns";
      G4Exception("G4MicroElecCrossSectionDataSet_new::LoadData","em0005",
                      FatalException,message);
      return false;
    }
 
  std::size_t i(1);
  while (i<maxI)
    {
      std::size_t maxJ(columns[i]->size());
 
        
      if (maxJ!=columns[0]->size())
    {
      G4String message("Data file \"");
      message+=fullFileName;
      message+="\" has lines with a different number of columns.";
          G4Exception("G4MicroElecCrossSectionDataSet_new::LoadData","em0005",
                      FatalException,message);
      return false;
    }
 
      std::size_t j(0);
 
      G4DataVector *argEnergies=new G4DataVector;
      G4DataVector *argData=new G4DataVector;
 
      while(j<maxJ)
    {
      argEnergies->push_back(columns[0]->operator[] (j)*GetUnitEnergies());
      argData->push_back(columns[i]->operator[] (j)*GetUnitData());
      ++j;
    }
 
      AddComponent(new G4EMDataSet(G4int(i-1), argEnergies, argData, GetAlgorithm()->Clone(), GetUnitEnergies(), GetUnitData()));
  
      ++i;
    }
 
  i=maxI;
  while (i>0)
    {
      --i;
      delete columns[i];
    }
 
  return true;
}
 
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
 
G4bool G4MicroElecCrossSectionDataSet_new::SaveData(const G4String & argFileName) const
{
  const std::size_t n(NumberOfComponents());
 
  if (n==0)
    {
      G4Exception("G4MicroElecCrossSectionDataSet_new::SaveData","em0005",
                      FatalException,"Expected at least one component");
 
      return false;
    }
 
  G4String fullFileName(FullFileName(argFileName));
  std::ofstream out(fullFileName);
 
  if (!out.is_open())
    {
      G4String message("Cannot open \"");
      message+=fullFileName;
      message+="\"";
      G4Exception("G4MicroElecCrossSectionDataSet_new::SaveData","em0005",
                      FatalException,message);
      return false;
    }
 
  G4DataVector::const_iterator iEnergies(GetComponent(0)->GetEnergies(0).begin());
  G4DataVector::const_iterator iEnergiesEnd(GetComponent(0)->GetEnergies(0).end());
  G4DataVector::const_iterator * iData(new G4DataVector::const_iterator[n]);
 
  std::size_t k(n);
 
  while (k>0)
    {
      --k;
      iData[k]=GetComponent((G4int)k)->GetData(0).begin();
    }
 
  while (iEnergies!=iEnergiesEnd)
    {
      out.precision(10);
      out.width(15);
      out.setf(std::ofstream::left);
      out << ((*iEnergies)/GetUnitEnergies());
  
      k=0;
  
      while (k<n)
    {
      out << ' ';
      out.precision(10);
      out.width(15);
      out.setf(std::ofstream::left);
      out << ((*(iData[k]))/GetUnitData());
 
      iData[k]++;
      ++k;
    }
  
      out << std::endl;
  
      ++iEnergies;
    }
 
  delete[] iData;
 
  return true;
}
 
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
 
G4String G4MicroElecCrossSectionDataSet_new::FullFileName(const G4String& argFileName) const
{
  const char* path = G4FindDataDir("G4LEDATA");
  if (!path)
    {
      G4Exception("G4MicroElecCrossSectionDataSet_new::Initialise","em0006",FatalException,"G4LEDATA environment variable not set.");
      return "";    
    }
  
  //Reading DCS file
  
  std::ostringstream fullFileName;
  fullFileName << path << "/microelec/" << argFileName << ".dat";
  return G4String(fullFileName.str().c_str());
}
 
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
 
G4double G4MicroElecCrossSectionDataSet_new::FindValue(G4double argEnergy, G4int /* argComponentId */) const
{
  // Returns the sum over the shells corresponding to e
  G4double value = 0.;
 
  std::vector<G4VEMDataSet *>::const_iterator i(components.begin());
  std::vector<G4VEMDataSet *>::const_iterator end(components.end());
 
  while (i!=end)
    {
      value+=(*i)->FindValue(argEnergy);
      i++;
    }
 
  return value;
}
 
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
 
G4double G4MicroElecCrossSectionDataSet_new::FindShellValue(G4double argEnergy, G4int shell) const
{
  return components.at(shell)->FindValue(argEnergy);
}
 
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
 
void G4MicroElecCrossSectionDataSet_new::PrintData(void) const
{
  const std::size_t n(NumberOfComponents());
 
  G4cout << "The data set has " << n << " components" << G4endl;
  G4cout << G4endl;
 
  G4int i(0);
 
  while (i<(G4int)n)
    {
      G4cout << "--- Component " << i << " ---" << G4endl;
      GetComponent(i)->PrintData();
      ++i;
    }
}
 
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
 
void G4MicroElecCrossSectionDataSet_new::SetEnergiesData(G4DataVector* argEnergies, 
                     G4DataVector* argData, 
                     G4int argComponentId)
{
  G4VEMDataSet * component(components[argComponentId]);
 
  if (component)
    {
      component->SetEnergiesData(argEnergies, argData, 0);
      return;
    }
 
  std::ostringstream message;
  message << "Component " << argComponentId << " not found";
 
  G4Exception("G4MicroElecCrossSectionDataSet_new::SetEnergiesData","em0005",
                 FatalException,message.str().c_str());
  
}
 
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
 
void G4MicroElecCrossSectionDataSet_new::SetLogEnergiesData(G4DataVector* argEnergies, 
                     G4DataVector* argData,
                                         G4DataVector* argLogEnergies,
                                         G4DataVector* argLogData, 
                     G4int argComponentId)
{
  G4VEMDataSet * component(components[argComponentId]);
 
  if (component)
    {
      component->SetLogEnergiesData(argEnergies, argData, argLogEnergies, argLogData, 0);
      return;
    }
 
  std::ostringstream message;
  message << "Component " << argComponentId << " not found";
 
  G4Exception("G4MicroElecCrossSectionDataSet_new::SetLogEnergiesData","em0005",
                 FatalException,message.str().c_str());
 
}
 
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
 
void G4MicroElecCrossSectionDataSet_new::CleanUpComponents()
{
  while (!components.empty())
    {
      if (components.back()) delete components.back();
      components.pop_back();
    }
}
 
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....