G4RDShellEMDataSet.cc

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//
//
// $Id$
// GEANT4 tag $Name:  $
//
// Author: Maria Grazia Pia (Maria.Grazia.Pia@cern.ch)
//
// History:
// -----------
//  1 Aug 2001   MGP        Created
// 09.10.01   V.Ivanchenko Add case z=0
//  9 Mar 2008   MGP        Cleaned up unreadable code modified by former developer
//                          (Further clean-up needed) 
//
// -------------------------------------------------------------------

#include "G4RDShellEMDataSet.hh"
#include "G4RDEMDataSet.hh"
#include "G4RDVDataSetAlgorithm.hh"
#include <fstream>
#include <sstream>


G4RDShellEMDataSet::G4RDShellEMDataSet(G4int zeta, G4RDVDataSetAlgorithm* algo, 
                   G4double eUnit, 
                   G4double dataUnit)
  :
  z(zeta),
  algorithm(algo),
  unitEnergies(eUnit),
  unitData(dataUnit)
{
  if (algorithm == 0)
    G4Exception("G4RDShellEMDataSet::G4RDShellEMDataSet()", "InvalidSetup",
                FatalException, "Interpolation == 0!");
}


G4RDShellEMDataSet::~G4RDShellEMDataSet()
{
  CleanUpComponents();
  if (algorithm) delete algorithm;
}


G4double G4RDShellEMDataSet::FindValue(G4double energy, G4int /* componentId */) const
{
  // Returns the sum over the shells corresponding to e
  G4double value = 0.;

  std::vector<G4RDVEMDataSet *>::const_iterator i(components.begin());
  std::vector<G4RDVEMDataSet *>::const_iterator end(components.end());

  while (i != end)
    {
      value += (*i)->FindValue(energy);
      i++;
    }

  return value;
}


void G4RDShellEMDataSet::PrintData(void) const
{
  const size_t n = NumberOfComponents();

  G4cout << "The data set has " << n << " components" << G4endl;
  G4cout << G4endl;
 
  size_t i = 0;
 
  while (i < n)
    {
      G4cout << "--- Component " << i << " ---" << G4endl;
      GetComponent(i)->PrintData();
      i++;
    }
}


void G4RDShellEMDataSet::SetEnergiesData(G4DataVector* energies, 
                       G4DataVector* data, 
                       G4int componentId)
{
  G4RDVEMDataSet* component = components[componentId];
 
  if (component)
    {
      component->SetEnergiesData(energies, data, 0);
      return;
    }

  std::ostringstream message;
  message << "Component " << componentId << " not found";
 
  G4Exception("G4RDShellEMDataSet::SetEnergiesData()", "DataNotFound",
              FatalException, message.str().c_str());
}


G4bool G4RDShellEMDataSet::LoadData(const G4String& file)
{
  CleanUpComponents();

  G4String fullFileName = FullFileName(file);
  std::ifstream in(fullFileName);

  if (!in.is_open())
    {
      G4String message("Data file \"");
      message += fullFileName;
      message += "\" not found";
      G4Exception("G4RDShellEMDataSet::LoadData()", "DataNotFound",
                  FatalException, message);
    }

  G4DataVector* energies = 0;
  G4DataVector* data = 0;

  G4double a = 0.;
  G4int shellIndex = 0;
  bool energyColumn = true;

  do
    {
      in >> a;
  
      if (a == -1)
    {
      if (energyColumn && energies!=0)
        {
          AddComponent(new G4RDEMDataSet(shellIndex, energies, data, algorithm->Clone(), unitEnergies, unitData));
          energies = 0;
          data = 0;
        }
   
      energyColumn = (!energyColumn);
    }
      else if (a != -2)
    {
      if (energies == 0)
        {
          energies = new G4DataVector;
          data = new G4DataVector;
        }
  
      if (energyColumn)
        energies->push_back(a * unitEnergies);
      else
        data->push_back(a * unitData);

      energyColumn = (!energyColumn);
    }
    }
  while (a != -2);

  return true;
}


G4bool G4RDShellEMDataSet::SaveData(const G4String& file) const
{
  G4String fullFileName = FullFileName(file);
  std::ofstream out(fullFileName);

  if (!out.is_open())
    {
      G4String message("Cannot open \"");
      message += fullFileName;
      message += "\"";
      G4Exception("G4RDEMDataSet::SaveData()", "CannotOpenFile",
                  FatalException, message);
    }
 
  const size_t n = NumberOfComponents();
  size_t k = 0;
 
  while (k < n)
    {
      const G4RDVEMDataSet* component = GetComponent(k);
  
      if (component)
    {
      const G4DataVector& energies = component->GetEnergies(0);
      const G4DataVector& data = component->GetData(0);
 
      G4DataVector::const_iterator i = energies.begin();
      G4DataVector::const_iterator endI = energies.end();
      G4DataVector::const_iterator j = data.begin();
  
      while (i != endI)
        {
          out.precision(10);
          out.width(15);
          out.setf(std::ofstream::left);
          out << ((*i)/unitEnergies) << ' ';

          out.precision(10);
          out.width(15);
          out.setf(std::ofstream::left);
          out << ((*j)/unitData) << std::endl;
          i++;
          j++;
        }
    }
  
      out.precision(10);
      out.width(15);
      out.setf(std::ofstream::left);
      out << -1.f << ' ';

      out.precision(10);
      out.width(15);
      out.setf(std::ofstream::left);
      out << -1.f << std::endl;
  
      k++;
    }
 
  out.precision(10);
  out.width(15);
  out.setf(std::ofstream::left);
  out << -2.f << ' ';

  out.precision(10);
  out.width(15);
  out.setf(std::ofstream::left);
  out << -2.f << std::endl;

  return true;
}


void G4RDShellEMDataSet::CleanUpComponents(void)
{
  while (!components.empty())
    {
      if (components.back()) delete components.back();
      components.pop_back();
    }
}


G4String G4RDShellEMDataSet::FullFileName(const G4String& fileName) const
{
  char* path = getenv("G4LEDATA");
  if (!path)
    G4Exception("G4RDShellEMDataSet::FullFileName()", "InvalidSetup",
                FatalException, "G4LEDATA environment variable not set!");
  
  std::ostringstream fullFileName;
 
  fullFileName << path << '/' << fileName << z << ".dat";
                      
  return G4String(fullFileName.str().c_str());
}