Champ_implementation_sommet.cpp

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#include <Champ_implementation_sommet.h>
#include <Champ_base.h>
#include <TRUSTTrav.h>
#include <Domaine_VF.h>
#include <Domaine.h>
 
DoubleVect& Champ_implementation_sommet::valeur_a_elem(const DoubleVect& position, DoubleVect& result, int poly) const
{
  const Champ_base& ch_base = le_champ();
  int nb_components = ch_base.nb_comp();
  const DoubleTab& values = ch_base.valeurs();
  assert(result.size() == nb_components);
  assert(position.size() == Objet_U::dimension);
  DoubleTab positions;
  positions = position;
  DoubleTab resu(1, nb_components);
  ArrOfInt polys(1);
  polys[0] = poly;
  value_interpolation(positions, polys, values, resu);
  for (int j = 0; j < nb_components; j++) result(j) = resu(j, 0);
  return result;
}
 
double Champ_implementation_sommet::valeur_a_elem_compo(const DoubleVect& position, int poly, int ncomp) const
{
  const Champ_base& ch_base = le_champ();
  const DoubleTab& values = ch_base.valeurs();
  assert(ncomp >= 0);
  assert(ncomp < ch_base.nb_comp());
  assert(position.size() == Objet_U::dimension);
  DoubleTab positions;
  positions = position;
  DoubleTab resu(1, 1);
  ArrOfInt polys(1);
  polys[0] = poly;
  value_interpolation(positions, polys, values, resu, ncomp);
  return resu(0, 0);
}
 
DoubleTab& Champ_implementation_sommet::valeur_aux_elems(const DoubleTab& positions, const IntVect& polys, DoubleTab& result) const
{
  const Champ_base& ch_base = le_champ();
  const DoubleTab& values = ch_base.valeurs();
  assert((result.dimension(0) == polys.size()) || (result.dimension_tot(0) == polys.size()));
  assert(positions.dimension(1) == Objet_U::dimension);
  value_interpolation(positions, polys, values, result);
  return result;
}
 
DoubleVect& Champ_implementation_sommet::valeur_aux_elems_compo(const DoubleTab& positions, const IntVect& polys, DoubleVect& result, int ncomp) const
{
  const Champ_base& ch_base = le_champ();
  const DoubleTab& values = ch_base.valeurs();
  int nb_polys = polys.size();
 
  assert(ncomp >= 0);
  assert(ncomp < ch_base.nb_comp());
  assert(result.size() == nb_polys);
  assert(positions.dimension(1) == Objet_U::dimension);
  DoubleTab resu(nb_polys, 1);
  value_interpolation(positions, polys, values, resu);
  for (int i = 0; i < nb_polys; i++) result(i) = resu(i, 0);
  return result;
}
 
DoubleTab Champ_implementation_sommet::valeur_aux_bords() const
{
  const Domaine_VF& domaine = get_domaine_dis();
  const IntTab& f_s = domaine.face_sommets();
  const DoubleTab& val = le_champ().valeurs();
  int i, f, fb, s, ns, n, N = val.line_size();
  DoubleTrav result(domaine.xv_bord().dimension_tot(0), N);
  for (f = 0; f < domaine.nb_faces_tot(); f++)
    if ((fb = domaine.fbord(f)) >= 0)
      {
        for (ns = 0, i = 0; i < f_s.dimension(1) && (s = f_s(f, i)) >= 0; i++)
          for (ns++, n = 0; n < N; n++)
            result(fb, n) += val(s, n);
        for (n = 0; n < N; n++) result(fb, n) /= ns;
      }
  return result;
}
 
DoubleTab& Champ_implementation_sommet::remplir_coord_noeuds(DoubleTab& positions) const
{
  const Domaine& domaine = get_domaine_geom();
  positions.resize(domaine.nb_som(), Objet_U::dimension);
  positions = domaine.les_sommets();
  return positions;
}
 
int Champ_implementation_sommet::remplir_coord_noeuds_et_polys(DoubleTab& positions, IntVect& polys) const
{
  const Domaine& domaine = get_domaine_geom();
  positions.resize(domaine.nb_som(), Objet_U::dimension);
  positions = domaine.les_sommets();
  domaine.chercher_elements(positions, polys);
  return 1;
}
 
DoubleTab& Champ_implementation_sommet::valeur_aux_sommets_impl(DoubleTab& result) const
{
  const Champ_base& ch_base = le_champ();
  const DoubleTab& values = ch_base.valeurs();
  const int size = values.dimension(0), N = values.line_size();
 
  assert((result.dimension(0) == size) || (result.dimension_tot(0) == size));
  assert(result.line_size() == N);
  for (int i = 0; i < size; i++)
    for (int n = 0; n < N; n++)
      result(i, n) = values(i, n);
 
  return result;
}
 
DoubleVect& Champ_implementation_sommet::valeur_aux_sommets_compo_impl(DoubleVect& result, int ncomp) const
{
  const Champ_base& ch_base = le_champ();
  const DoubleTab& values = ch_base.valeurs();
  int size = values.dimension(0);
 
  assert(ncomp >= 0);
  assert(ncomp < ch_base.nb_comp());
  assert(result.size() == size);
  assert(values.nb_dim() == 2);
  assert(values.dimension(1) == ch_base.nb_comp());
 
  for (int i = 0; i < size; i++) result(i) = values(i, ncomp);
 
  return result;
}