Champ_Fonc_P0_VDF.cpp

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#include <Champ_Fonc_P0_VDF.h>
#include <LecFicDiffuse.h>
#include <Domaine_VF.h>
 
Implemente_instanciable(Champ_Fonc_P0_VDF, "Champ_Fonc_P0_VDF", Champ_Fonc_P0_base);
 
Sortie& Champ_Fonc_P0_VDF::printOn(Sortie& s) const { return s << que_suis_je() << " " << le_nom(); }
 
Entree& Champ_Fonc_P0_VDF::readOn(Entree& s) { return s; }
 
/*! @brief Writes the field in IJK format.
 *
 * @param os Output stream.
 * @param ncomp Component index to print.
 * @return 1 on success.
 */
int Champ_Fonc_P0_VDF::imprime(Sortie& os, int ncomp) const
{
  // valeur_au_ijk(xi,yj,zk,valeurs,ncomp);
  // principle: create a point array depending on whether the field is element-based or face-based
  // with a grid built from xi,yj,zk read from a file
  // sub_type(Champ_P0, *this): grid built from (xi+xi+1)/2, etc...
  // Otherwise: grid built from xi, xi+1, etc...
  // Loop over ni,nj,nk
  // K=
  //     I=1 I=2 I=3 I=4
  // J=10 Vij
  // J=9
  // ...
  int ni, nj, nk = -1;
  int ii, jj, k;
  int np, elem;
  int cmax = 7;
  DoubleVect xi, yj, zk;
  DoubleTab Grille;
  //Reading xi,yj,zk from a .xiyjzk file
  Nom nomfic(nom_du_cas());
  nomfic += ".xiyjzk";
  LecFicDiffuse ficijk(nomfic);
  ficijk >> xi;
  ni = xi.size();
  ficijk >> yj;
  nj = yj.size();
  if (dimension == 3)
    {
      ficijk >> zk;
      nk = zk.size();
    }
  if (ncomp == 1)
    {
      if (dimension == 3)
        {
          // Grid ordered at element centers
          np = (ni - 1) * (nj - 1) * (nk - 1);
          Grille.resize(np, dimension);
          for (k = 0; k < nk - 1; k++)
            for (ii = 0; ii < ni - 1; ii++)
              for (jj = 0; jj < nj - 1; jj++)
                {
                  elem = jj + (nj - 1) * (ii + k * (ni - 1));
                  Grille(elem, 0) = 0.5 * (xi(ii) + xi(ii + 1));
                  Grille(elem, 1) = 0.5 * (yj(jj) + yj(jj + 1));
                  Grille(elem, 2) = 0.5 * (zk(k) + zk(k + 1));
                }
          DoubleTab tab_valeurs(np, nb_compo_);
          valeur_aux(Grille, tab_valeurs);
          for (k = 0; k < nk - 1; k++)
            {
              os << finl;
              os << "Coupe a K= " << k << finl;
              int n1 = 0, n2 = 0;
              while (n2 < ni - 1)
                {
                  n1 = n2;
                  n2 = std::min(ni - 1, n2 + cmax);
                  os << finl;
                  os << "I=     ";
                  for (int i = n1; i < n2; i++)
                    os << i << "              ";
                  os << finl;
                  for (int j = nj - 2; j > -1; j--)
                    {
                      os << "J= " << j << " ";
                      for (int i = n1; i < n2; i++)
                        {
                          elem = j + (nj - 1) * (i + k * (ni - 1));
                          os << tab_valeurs(elem, 0) << " ";
                        }
                      os << finl;
                    }
                }
            }
        }
      else if (dimension == 2)
        {
          np = (ni - 1) * (nj - 1);
          Grille.resize(np, dimension);
          for (ii = 0; ii < ni - 1; ii++)
            for (jj = 0; jj < nj - 1; jj++)
              {
                elem = jj + (nj - 1) * ii;
                Grille(elem, 0) = 0.5 * (xi(ii) + xi(ii + 1));
                Grille(elem, 1) = 0.5 * (yj(jj) + yj(jj + 1));
              }
          DoubleTab tab_valeurs(np, nb_compo_);
          valeur_aux(Grille, tab_valeurs);
          int n1 = 0, n2 = 0;
          while (n2 < ni - 1)
            {
              n1 = n2;
              n2 = std::min(ni - 1, n2 + cmax);
              os << finl;
              os << "I=     ";
              for (int i = n1; i < n2; i++)
                os << i << "              ";
              os << finl;
              for (int j = nj - 2; j > -1; j--)
                {
                  os << "J= " << j << " ";
                  for (int i = n1; i < n2; i++)
                    {
                      elem = j + (nj - 1) * i;
                      os << tab_valeurs(elem, 0) << " ";
                    }
                  os << finl;
                }
            }
        }
    }
  else
    {
      Cerr << "Champ_P0_implementation::imprime_P0_VDF with nb_compo_>1 not implemented." << finl;
      exit();
    }
  return 1;
}