Champ_som_lu.cpp

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#include <Champ_implementation_P1.h>
#include <LecFicDiffuse.h>
#include <Champ_som_lu.h>
 
Implemente_instanciable(Champ_som_lu,"Champ_som_lu",TRUSTChamp_Don_generique<Champ_Don_Type::LU>);
 
Sortie& Champ_som_lu::printOn(Sortie& os) const { return not_implemented_champ_<Sortie&>(__func__); }
 
Entree& Champ_som_lu::readOn(Entree& is)
{
  int nbcomp;
  double tolerance;
  Nom nom;
  is >> nom;
  mon_domaine = ref_cast(Domaine, Interprete::objet(nom));
  is >> nbcomp; // nombre de composantes du champ
  is >> tolerance; // tolerance en metres pour la recherche des coordonnees
  is >> nom; // nom du fichier a lire
  LecFicDiffuse file(nom);
  fixer_nb_comp(nbcomp);
  Champ_implementation_P1::init_from_file(valeurs_, mon_domaine.valeur(), nbcomp, tolerance, file);
  return is;
}
 
DoubleTab& Champ_som_lu::valeur_aux_elems(const DoubleTab& positions, const IntVect& les_polys, DoubleTab& val) const
{
  if (val.nb_dim() == 2)
    {
      assert(val.dimension(0) == les_polys.size_array());
      assert(val.line_size() == nb_compo_);
    }
  else erreur_champ_(__func__);
 
  const DoubleTab& coord = mon_domaine->coord_sommets();
  const DoubleTab& ch = valeurs();
  int le_poly;
 
  for (int rang_poly = 0; rang_poly < les_polys.size_array(); rang_poly++)
    {
      le_poly = les_polys(rang_poly);
      if (le_poly == -1)
        for (int ncomp = 0; ncomp < nb_compo_; ncomp++) val(rang_poly, ncomp) = 0;
      else
        for (int ncomp = 0; ncomp < nb_compo_; ncomp++)
          {
            int som1 = mon_domaine->sommet_elem(le_poly, 0);
            int som2 = mon_domaine->sommet_elem(le_poly, 1);
            int som3 = mon_domaine->sommet_elem(le_poly, 2);
            int som4 = mon_domaine->sommet_elem(le_poly, 3);
            int som5 = mon_domaine->sommet_elem(le_poly, 4);
            int som6 = mon_domaine->sommet_elem(le_poly, 5);
            int som7 = mon_domaine->sommet_elem(le_poly, 6);
            int som8 = mon_domaine->sommet_elem(le_poly, 7);
 
            double xmin = coord(som1, 0);
            double xmax = coord(som2, 0);
            double ymin = coord(som1, 1);
            double ymax = coord(som3, 1);
            double zmin = coord(som1, 2);
            double zmax = coord(som5, 2);
 
            double hx = xmax - xmin;
            double hy = ymax - ymin;
            double hh = zmax - zmin;
 
            val(rang_poly, ncomp) = ch(som1, ncomp) * (xmax - positions(rang_poly, 0)) * (ymax - positions(rang_poly, 1)) * (zmax - positions(rang_poly, 2));
            val(rang_poly, ncomp) += ch(som2, ncomp) * (positions(rang_poly, 0) - xmin) * (ymax - positions(rang_poly, 1)) * (zmax - positions(rang_poly, 2));
            val(rang_poly, ncomp) += ch(som3, ncomp) * (xmax - positions(rang_poly, 0)) * (positions(rang_poly, 1) - ymin) * (zmax - positions(rang_poly, 2));
            val(rang_poly, ncomp) += ch(som4, ncomp) * (positions(rang_poly, 0) - xmin) * (positions(rang_poly, 1) - ymin) * (zmax - positions(rang_poly, 2));
            val(rang_poly, ncomp) += ch(som5, ncomp) * (xmax - positions(rang_poly, 0)) * (ymax - positions(rang_poly, 1)) * (positions(rang_poly, 2) - zmin);
            val(rang_poly, ncomp) += ch(som6, ncomp) * (positions(rang_poly, 0) - xmin) * (ymax - positions(rang_poly, 1)) * (positions(rang_poly, 2) - zmin);
            val(rang_poly, ncomp) += ch(som7, ncomp) * (xmax - positions(rang_poly, 0)) * (positions(rang_poly, 1) - ymin) * (positions(rang_poly, 2) - zmin);
            val(rang_poly, ncomp) += ch(som8, ncomp) * (positions(rang_poly, 0) - xmin) * (positions(rang_poly, 1) - ymin) * (positions(rang_poly, 2) - zmin);
 
            val(rang_poly, ncomp) /= (hx * hy * hh);
          }
    }
  return val;
}
 
DoubleVect& Champ_som_lu::valeur_aux_elems_compo(const DoubleTab& positions, const IntVect& les_polys, DoubleVect& val, int ncomp) const
{
  assert(val.size_totale() >= les_polys.size_array());
  const DoubleTab& coord = mon_domaine->coord_sommets();
  const DoubleTab& ch = valeurs();
  int le_poly;
 
  for (int rang_poly = 0; rang_poly < les_polys.size_array(); rang_poly++)
    {
      le_poly = les_polys(rang_poly);
      if (le_poly == -1) val(rang_poly) = 0;
      else
        {
          int som1 = mon_domaine->sommet_elem(le_poly, 0);
          int som2 = mon_domaine->sommet_elem(le_poly, 1);
          int som3 = mon_domaine->sommet_elem(le_poly, 2);
          int som4 = mon_domaine->sommet_elem(le_poly, 3);
          int som5 = mon_domaine->sommet_elem(le_poly, 4);
          int som6 = mon_domaine->sommet_elem(le_poly, 5);
          int som7 = mon_domaine->sommet_elem(le_poly, 6);
          int som8 = mon_domaine->sommet_elem(le_poly, 7);
 
          double xmin = coord(som1, 0);
          double xmax = coord(som2, 0);
          double ymin = coord(som1, 1);
          double ymax = coord(som3, 1);
          double zmin = coord(som1, 2);
          double zmax = coord(som5, 2);
 
          double hx = xmax - xmin;
          double hy = ymax - ymin;
          double hh = zmax - zmin;
 
          val(rang_poly) = ch(som1, ncomp) * (xmax - positions(rang_poly, 0)) * (ymax - positions(rang_poly, 1)) * (zmax - positions(rang_poly, 2));
          val(rang_poly) += ch(som2, ncomp) * (positions(rang_poly, 0) - xmin) * (ymax - positions(rang_poly, 1)) * (zmax - positions(rang_poly, 2));
          val(rang_poly) += ch(som3, ncomp) * (xmax - positions(rang_poly, 0)) * (positions(rang_poly, 1) - ymin) * (zmax - positions(rang_poly, 2));
          val(rang_poly) += ch(som4, ncomp) * (positions(rang_poly, 0) - xmin) * (positions(rang_poly, 1) - ymin) * (zmax - positions(rang_poly, 2));
          val(rang_poly) += ch(som5, ncomp) * (xmax - positions(rang_poly, 0)) * (ymax - positions(rang_poly, 1)) * (positions(rang_poly, 2) - zmin);
          val(rang_poly) += ch(som6, ncomp) * (positions(rang_poly, 0) - xmin) * (ymax - positions(rang_poly, 1)) * (positions(rang_poly, 2) - zmin);
          val(rang_poly) += ch(som7, ncomp) * (xmax - positions(rang_poly, 0)) * (positions(rang_poly, 1) - ymin) * (positions(rang_poly, 2) - zmin);
          val(rang_poly) += ch(som8, ncomp) * (positions(rang_poly, 0) - xmin) * (positions(rang_poly, 1) - ymin) * (positions(rang_poly, 2) - zmin);
 
          val(rang_poly) /= (hx * hy * hh);
        }
    }
  return val;
}