Champ_Don_lu.cpp

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#include <LecFicDiffuse.h>
#include <Champ_Don_lu.h>
 
Implemente_instanciable(Champ_Don_lu,"Champ_Don_lu",TRUSTChamp_Don_generique<Champ_Don_Type::LU>);
// XD champ_don_lu champ_don_base champ_don_lu NO_BRACE Field to read a data field (values located at the center of the
// XD_CONT cells) in a file.
// XD attr dom ref_domaine dom REQ Name of the domain.
// XD attr nb_comp entier nb_comp REQ Number of field components.
// XD attr file chaine file REQ Name of the file. NL2 This file has the following format: NL2 nb_val_lues -> Number of
// XD_CONT values readen in th file NL2 Xi Yi Zi -> Coordinates readen in the file NL2 Ui Vi Wi -> Value of the field
 
 
Sortie& Champ_Don_lu::printOn(Sortie& os) const { return TRUSTChamp_Don_generique::printOn(os); }
 
Entree& Champ_Don_lu::readOn(Entree& is)
{
  int dim;
  //Motcle motlu;
  Nom nom;
  is >> nom;
 
  Domaine& domaine = interprete_get_domaine(nom);
  int nb_elems = domaine.nb_elem();
  dim = lire_dimension(is, que_suis_je());
 
  dimensionner(nb_elems, dim);
  domaine.creer_tableau_elements(valeurs());
 
  is >> nom;
  LecFicDiffuse fic(nom);
  Cerr << "Open and read the file : " << nom << finl;
 
  int nb_val_lues = 0;
  Nom chaine;
  fic >> chaine;
  int star_ccm = 0;
  // Is this a STAR-CCM .csv file with header: "field1 unit" "field2 unit" ....  "X" "Y" "Z"
  if (chaine.debute_par("\""))
    {
      star_ccm=1;
      Cerr << "STAR-CCM csv file detected..." << finl;
      Cerr << "Find component 1 of the field: " << chaine << finl;
      for (int i=0; i<dim; i++)
        {
          fic >> chaine; // Field unit
          fic >> chaine;
          if (i<dim-1) Cerr << "Find component " << i+2 << " of the field: " << chaine << finl;
        }
      if (chaine!="\"X\"")
        {
          Cerr << "Error in the file. There must be one field with " << dim  << " components." << finl;
          Process::exit();
        }
      fic >> chaine; // "Y"
      fic >> chaine; // "Z"
      // Determine the number of lines in the STAR-CCM file
      LecFicDiffuse tmp(nom);
      while (!tmp.eof())
        {
          nb_val_lues++;
          tmp >> chaine;
        }
      nb_val_lues-=(dim*2+dimension+1);
      nb_val_lues/=(dim+dimension);
    }
  else
    {
      // Otherwise number of lines to read
      nb_val_lues=atoi(chaine);
      Cerr << "The format of this file containing values of a field should be:" << finl;
      Cerr << "N" << finl;
      int nb_lines=4;
      for (int line=1; line<=nb_lines; line++)
        {
          if (line==nb_lines-1) Cerr << "..." << finl;
          else
            {
              Nom l;
              if (line==nb_lines) l="N";
              else l=(Nom)line;
 
              Cerr << "x["<<l<<"] y["<<l<<"] ";
              if (dimension==3) Cerr << "z["<<l<<"] ";
              for (int k=0; k<dim; k++)
                Cerr << "value["<<l<<","<<k<<"] ";
              Cerr << finl;
            }
        }
    }
  Cerr << finl << "Read number of values (N)=" << nb_val_lues << finl;
  // Read the values from file fic
  DoubleTab& mes_val = valeurs();
  IntTab compteur(nb_elems);
  compteur = 0;
  DoubleVect point(dimension);
  DoubleVect val_lu(dim);
  int elem2;
  double x,y,z=0;
  int pourcent=0,tmp;
  for (int i=0; i<nb_val_lues; i++)
    {
      tmp=(i+1)*10/nb_val_lues;
      if (tmp>pourcent)
        {
          pourcent=tmp;
          Cerr<<"\rProcess "<<Process::me()<<" has read "<<pourcent*10<<"% of values"<<flush;
        }
 
      // Read the element center coordinates and field values
      if (star_ccm)
        {
          for (int k=0; k<dim; k++) fic >> val_lu[k];
          for (int k=0; k<dimension; k++) fic >> point[k];
        }
      else
        {
          for (int k=0; k<dimension; k++) fic >> point[k];
          for (int k=0; k<dim; k++) fic >> val_lu[k];
        }
      x=point[0];
      y=point[1];
      if (Objet_U::dimension==3) z=point[2];
 
      // Find the element
      elem2=domaine.chercher_elements(x,y,z);
      if ((elem2!=-1) && (elem2<nb_elems))
        {
          for (int k=0; k<dim; k++) mes_val(elem2,k) = val_lu[k];
          compteur[elem2] += 1;
        }
    }
  Cerr << finl;
  // Check that all elements have been found
  for (int num_elem=0; num_elem<nb_elems; num_elem++)
    if (compteur[num_elem] == 0)
      {
        Cerr << "Error when using Champ_Don_lu keyword:" << finl;
        Cerr << "There is no value found for the cell number " << num_elem << finl;
        Cerr << "Check your mesh and/or the file " << nom << finl;
        Process::exit();
      }
 
  mes_val.echange_espace_virtuel();
 
  return is;
}