Lire_Ideas.cpp

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#include <Lire_Ideas.h>
#include <Domaine.h>
#include <EFichier.h>
#include <Scatter.h>
 
Implemente_instanciable(Lire_Ideas,"Lire_Ideas",Interprete_geometrique_base);
// XD lire_ideas interprete lire_ideas INHERITS_BRACE Read a geom in a unv file. 3D tetra mesh elements only may be read
// XD_CONT by TRUST.
// XD attr nom_dom ref_domaine nom_dom REQ Name of domain.
// XD attr file chaine file REQ Name of file.
 
Sortie& Lire_Ideas::printOn(Sortie& s ) const
{
  return s << que_suis_je() << finl;
}
 
Entree& Lire_Ideas::readOn(Entree& is )
{
  return is;
}
 
Entree& Lire_Ideas::interpreter_(Entree& is)
{
  Nom nom_fic;
  associer_domaine(is);
  is >> nom_fic;
  Domaine& dom=domaine();
  //
  int NDIM=dimension;
  int NNOEUDS=0;
  int NELEM=0;
  int NTETRA=0;
  int NFACB=0;
  int NSEG=0;
  int NGROUPE=0;
  int CAS=0;
  //
  Cerr << "First pass to determine the sizes of arrays" << finl;
  //
  char  nom_fic2[81];
  for (int ii=0; ii<80; ii++)
    nom_fic2[ii]='\0';
  strcpy(nom_fic2,nom_fic);
  F77NAME(LIREPREM) (nom_fic2,
                     &NDIM,
                     &NNOEUDS,
                     &NELEM,
                     &NTETRA,
                     &NFACB,
                     &NSEG,
                     &NGROUPE,
                     &CAS);
  //
  Cerr << "Number of nodes             : " << NNOEUDS << finl;
  Cerr << "Number of elements          : " << NELEM << finl;
  Cerr << "Number of tetrahedra        : " << NTETRA << finl;
  Cerr << "Number of boundary faces    : " << NFACB << finl;
  Cerr << "Number of boundary segments : " << NSEG << finl;
  Cerr << "Number of groups            : " << NGROUPE << finl;
  //
  ArrOfInt NGELEM(NGROUPE);
  ArrOfInt WORK(std::max(NTETRA,NFACB*4));
  //
  //Passage F77 a C++: les indices entre les deux langages sont inverses
  // (methode de stockage differente)
  //
  IntTab TETRA(4,NTETRA);
  IntTab FACB(3,NFACB);
  IntTab GROUP(NFACB,NGROUPE);
  //
  ArrOfDouble X(NNOEUDS);
  ArrOfDouble Y(NNOEUDS);
  ArrOfDouble Z(NNOEUDS);
  Cerr << "call of LIREIDEAS " << finl;
  //
  F77NAME(LIREIDEAS)(nom_fic2,
                     &NDIM,
                     X.addr(),
                     Y.addr(),
                     Z.addr(),
                     TETRA.addr(),
                     FACB.addr(),
                     GROUP.addr(),
                     &NNOEUDS,
                     &NELEM,
                     &NTETRA,
                     &NFACB,
                     &NGROUPE,
                     NGELEM.addr(),
                     WORK.addr(),
                     &CAS);
  //
  Cerr << " Reading completed " << finl;
  //
  DoubleTab& coord=dom.les_sommets();
  dom.type_elem().typer("Tetraedre");
  dom.type_elem()->associer_domaine(dom);
 
  //
  // On commence par transferer les coordonnees
  //
  coord.resize(NNOEUDS, dimension);
  {
    for(int i=0; i<NNOEUDS; i++)
      {
        coord(i,0) = (X[i]);
        coord(i,1) = (Y[i]);
        coord(i,2) = (Z[i]);
      }
  }
  //
  Cerr << " Completing the assignment of coordinates of nodes" << finl;
  //
  // On continue par les elements (connectivite element -> noeuds)
  //
  IntTab& les_elems=dom.les_elems();
  les_elems.resize(NTETRA, dimension+1);
  for(int i=0; i<NTETRA; i++)
    {
      for(int j=0; j<dimension+1; j++)
        {
          //
          // ATTENTION : Inversion des indices entre le tableau Fortran et C++
          //
          les_elems(i,j)= TETRA(j,i)-1 ;
        }
    }
  //
  Cerr << " Completing the assignment of elements" << finl;
  //
  //
  // Maintenant, on traite les faces de bords (tableau FACB, de dim (NFACB,3))
  // qui se trouvent dans les differents groupes de faces de bords. Chaque
  // groupe correspond a un bord bien defini du domaine (paroi, entree, sortie,
  // symetrie, ...) et chaque groupe porte le nom de ce type de bord (GRNAME)
  //
  // En resume :
  //    GRNAME (NGROUPE)         : Nom des differents bords
  //    GROUP  (NNOEUDS,NGROUPE) : Groupe de faces de bord (Numero de la face)
  //    NGELEM (NGROUPE)         : Nombre de faces de bords pour le groupe NGROUPE
  //    FACB   (NFACB,3)         : Connectivite des faces de bords (les 3 noeuds du triangle)
  //
  //
  //
  // On ouvre le fichier contenant les noms des groupes
  //
  Nom nom1="nom.groupe";
  EFichier fic(nom1);
  fic.set_check_types(1); // Remplace UFichier
  Cerr << "Reading of the file : " << nom1 << finl;
  // On definit les bords comme etant des faces de bords du domaine
  // On fait Domaine --> les_bords
  //
  Bords& les_bords=dom.faces_bord();
  //
  // Ici, on associe les bords au domaine (on se refere a dom)
  // On fait les_bords --> Domaine
  //
  les_bords.associer_domaine(dom);
  //
  Nom nom_bord="Bord";
  //
  // On affecte les bords :
  //
  for(int k=0; k<NGROUPE; k++)
    {
      fic >> nom_bord;
      Bord& nouveau=les_bords.add(Bord());
      //
      nouveau.nommer(nom_bord);
      nouveau.faces().typer(Type_Face::triangle_3D);
      //
      nouveau.faces().dimensionner(NGELEM[k]);
      //
      int num;
      for (int j=0; j<NGELEM[k]; j++)
        {
          //
          // ATTENTION : Inversion des indices entre le tableau Fortran et C++
          //
          //        GF renumerotation dans lire_ideas.f maintenant...
          //
          //num=GROUP(j,k)-1-NTETRA;
          num=GROUP(j,k)-1;
          nouveau.faces().sommet(j,0)= FACB(0,num)-1;
          nouveau.faces().sommet(j,1)= FACB(1,num)-1;
          nouveau.faces().sommet(j,2)= FACB(2,num)-1;
        }
      nouveau.associer_domaine(dom);
    }
  //
  Cerr << " Completing the assignment of the boundary faces" << finl;
  //
  Cerr << " Exit of Lire_Ideas " << finl;
  //
  dom.fixer_premieres_faces_frontiere();
 
  Scatter::init_sequential_domain(dom);
  return is;
}