IJK_Lata_Swap_JK.cpp

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#include <IJK_Lata_Swap_JK.h>
#include <Param.h>
#include <Interprete_bloc.h>
#include <IJK_Lata_writer.h>
#include <FixedVector.h>
#include <IJK_Field.h>
#include <IJK_Field_vector.h>
#include <Domaine_IJK.h>
#include <IJK_tools.h>
#include <IJK_Navier_Stokes_tools.h>
 
Implemente_instanciable(IJK_Lata_Swap_JK,"IJK_Lata_Swap_JK",Interprete) ;
 
Sortie& IJK_Lata_Swap_JK::printOn(Sortie& os) const
{
  Objet_U::printOn(os);
  return os;
}
 
Entree& IJK_Lata_Swap_JK::readOn(Entree& is)
{
  Objet_U::readOn(is);
  return is;
}
 
Entree& IJK_Lata_Swap_JK::interpreter(Entree& is)
{
  Nom fichier_reprise_vitesse_;
  int timestep_reprise_vitesse_ = 0;
  Nom fichier_sortie_vitesse_;
  Nom ijk_splitting_name;
  Nom ijk_splitting_name_dest;
 
  Param param(que_suis_je());
  param.ajouter("ijk_splitting_source", &ijk_splitting_name, Param::REQUIRED);
  param.ajouter("ijk_splitting_dest", &ijk_splitting_name_dest, Param::REQUIRED);
  param.ajouter("fichier_reprise_vitesse", &fichier_reprise_vitesse_);
  param.ajouter("timestep_reprise_vitesse", &timestep_reprise_vitesse_);
  param.ajouter("fichier_sortie_vitesse", &fichier_sortie_vitesse_);
  param.lire_avec_accolades(is);
 
  Domaine_IJK splitting_;
  Domaine_IJK splitting_dest_;
  IJK_Field_vector3_double velocity_;
  IJK_Field_vector3_double velocity_dest_;
  IJK_Field_double rho, dest_rho;
  // Retrieve mesh data
  splitting_ = ref_cast(Domaine_IJK, Interprete_bloc::objet_global(ijk_splitting_name));
 
  allocate_velocity(velocity_, splitting_, 1);
  Cerr << "reading velocity" << finl;
  lire_dans_lata(fichier_reprise_vitesse_, timestep_reprise_vitesse_, "DOM", "VELOCITY",
                 velocity_[0], velocity_[1], velocity_[2]); // function that reads a field from a lata file
  Cerr << "swap jk" << finl;
 
  splitting_dest_ = ref_cast(Domaine_IJK, Interprete_bloc::objet_global(ijk_splitting_name_dest));
  allocate_velocity(velocity_dest_, splitting_dest_, 1);
 
  for (int direction = 0; direction < 3; direction++)
    {
      int direction2 = -1;
      switch(direction)
        {
        case 0:
          direction2 = 0;
          break;
        case 1:
          direction2 = 2;
          break;
        case 2:
          direction2 = 1;
          break;
        default:
          Process::exit();
        }
      const IJK_Field_double& src = velocity_[direction];
      IJK_Field_double& dest = velocity_dest_[direction2];
      const int ni = src.ni();
      const int nj = src.nj();
      const int nk = src.nk();
      for (int k = 0; k < nk; k++)
        for (int j = 0; j < nj; j++)
          for (int i = 0; i < ni; i++)
            dest(i,k,j) = src(i,j,k);
    }
  Cerr << "Write " << fichier_sortie_vitesse_ << finl;
  Nom lata_name(fichier_sortie_vitesse_);
  dumplata_header(lata_name, velocity_dest_[0] /* on passe un champ pour ecrire la geometrie */);
  dumplata_newtime(lata_name,0. /* time */);
  dumplata_vector(lata_name,"VELOCITY", velocity_dest_[0], velocity_dest_[1], velocity_dest_[2], 0);
 
  rho.allocate(splitting_, Domaine_IJK::ELEM, 0);
  dest_rho.allocate(splitting_dest_, Domaine_IJK::ELEM, 0);
  Cerr << "reading rho" << finl;
  lire_dans_lata(fichier_reprise_vitesse_, timestep_reprise_vitesse_, "DOM", "RHO",
                 rho); // function that reads a field from a lata file
  Cerr << "swap jk" << finl;
 
  {
    const IJK_Field_double& src = rho;
    IJK_Field_double& dest = dest_rho;
    const int ni = src.ni();
    const int nj = src.nj();
    const int nk = src.nk();
    for (int k = 0; k < nk; k++)
      for (int j = 0; j < nj; j++)
        for (int i = 0; i < ni; i++)
          dest(i,k,j) = src(i,j,k);
  }
  Cerr << "Write rho " << fichier_sortie_vitesse_ << finl;
  dumplata_scalar(lata_name,"RHO", dest_rho, 0);
 
 
 
  return is;
}