Transformer.cpp

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#include <TRUST_Vector.h>
#include <Transformer.h>
#include <Rectangle.h>
#include <Parser_U.h>
#include <Hexaedre.h>
#include <Scatter.h>
 
Implemente_instanciable_32_64(Transformer_32_64, "Transformer", Interprete_geometrique_base_32_64<_T_>);
// XD transformer interprete transformer INHERITS_BRACE Keyword to transform the coordinates of the geometry. NL2
// XD_CONT Exemple to rotate your mesh by a 90o rotation and to scale the z coordinates by a factor 2: Transformer
// XD_CONT domain_name -y -x 2*z
// XD attr domain_name ref_domaine domain_name REQ Name of domain.
// XD attr formule listchainef formule REQ Function_for_x Function_for_y \‍[ Function_for z \‍]
 
// XD transformer_64 transformer transformer_64 INHERITS_BRACE Transformer keyword applied on a big mesh
 
template <typename _SIZE_>
Sortie& Transformer_32_64<_SIZE_>::printOn(Sortie& os) const
{
  return Interprete::printOn(os);
}
 
template <typename _SIZE_>
Entree& Transformer_32_64<_SIZE_>::readOn(Entree& is)
{
  return Interprete::readOn(is);
}
 
template <typename _SIZE_>
Entree& Transformer_32_64<_SIZE_>::interpreter_(Entree& is)
{
  this->associer_domaine(is);
  verifie_type_elem();
 
  Noms les_fcts;
 
  les_fcts.dimensionner(Objet_U::dimension);
 
  for (int i = 0; i < Objet_U::dimension; i++)
    is >> les_fcts[i];
 
  transformation_complete(les_fcts);
 
 
  return is;
}
 
template <typename _SIZE_>
void Transformer_32_64<_SIZE_>::transformer(Domaine_t& dom, Noms& les_fcts)
{
  VECT(Parser_U) fxyz(Objet_U::dimension);
 
  for (int i = 0; i < Objet_U::dimension; i++)
    {
      Cerr << "Reading and interpretation of the function " << les_fcts[i] << finl;
      fxyz[i].setNbVar(3);
      fxyz[i].setString(les_fcts[i]);
      fxyz[i].addVar("x");
      fxyz[i].addVar("y");
      fxyz[i].addVar("z");
      fxyz[i].parseString();
      Cerr << "Interpretation of the function " << les_fcts[i] << " Ok" << finl;
    }
  DoubleTab_t& sommets = dom.les_sommets();
  DoubleTab_t new_sommets(sommets);
  int_t sz = sommets.dimension(0);
  double x = 0;
  double y = 0;
  double z = 0;
  for (int_t i = 0; i < sz; i++)
    {
      for (int j = 0; j < Objet_U::dimension; j++)
        {
          x = sommets(i, 0);
          y = sommets(i, 1);
          z = 0;
 
          if (Objet_U::dimension > 2)
            z = sommets(i, 2);
        }
      for (int j = 0; j < Objet_U::dimension; j++)
        {
          fxyz[j].setVar("x", x);
          fxyz[j].setVar("y", y);
          fxyz[j].setVar("z", z);
          new_sommets(i, j) = fxyz[j].eval();
        }
    }
  sommets = new_sommets;
}
 
template <typename _SIZE_>
void Transformer_32_64<_SIZE_>::verifie_type_elem()
{
  auto& type_elem = this->domaine().type_elem();
  if (type_elem->que_suis_je() == "Hexaedre_VEF")
    {
      Cerr << "------------------------------------------------------------------" << finl;
      Cerr << "It is advised to not use directly \"Transformer\" on a mesh" << finl;
      Cerr << "with VEF hexahedra since the method Hexaedre_VEF::reordonner" << finl;
      Cerr << "is not fairly general in TRUST." << finl;
      Cerr << "If your purpose is to make tetrahedra on your mesh," << finl;
      Cerr << "create it first after reading your hexahedral meshing," << finl;
      Cerr << "then use \"Transformer\"." << finl;
      Cerr << "------------------------------------------------------------------" << finl;
      this->exit();
    }
}
 
template <typename _SIZE_>
void Transformer_32_64<_SIZE_>::transformation_complete(Noms& les_fcts)
{
  Scatter::uninit_sequential_domain(this->domaine());
  transformer(this->domaine(), les_fcts);
 
  // Element transformation sometimes necessary
  auto& type_elem = this->domaine().type_elem();
  if (type_elem->que_suis_je() == "Rectangle")
    {
      if (ref_cast(Rectangle,type_elem.valeur()).reordonner_elem() == -1) // reordonner_elem reveals that we no longer have Rectangle elements
        {
          type_elem.typer("Quadrangle");
          type_elem->associer_domaine(this->domaine());
        }
    }
  if (type_elem->que_suis_je() == "Hexaedre")
    {
      if (ref_cast(Hexaedre,type_elem.valeur()).reordonner_elem() == -1) // reordonner_elem reveals that we no longer have Hexaedre elements
        {
          type_elem.typer("Hexaedre_VEF");
          type_elem->associer_domaine(this->domaine());
          Bords_t& les_bords = this->domaine().faces_bord();
 
          for (auto &itr : les_bords)
            itr.faces().typer(Type_Face::quadrangle_3D);
 
          les_bords.associer_domaine(this->domaine());
        }
    }
  // Reordering is needed after a Transformer -y x for example because
  // the element numbering is mixed up... The problem is
  // that not all reordering routines are correctly implemented...
  // 2-3
  // 0-1
  this->domaine().reordonner();
  Scatter::init_sequential_domain(this->domaine());
}
 
template class Transformer_32_64<int>;
#if INT_is_64_ == 2
template class Transformer_32_64<trustIdType>;
#endif