Champ_Fonc_MED_Table_Temps.cpp

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#include <Champ_Fonc_MED_Table_Temps.h>
#include <Lecture_Table.h>
#include <EChaine.h>
#include <Param.h>
#ifdef MEDCOUPLING_
#include <MEDLoader.hxx>
#include <MEDCouplingFieldDouble.hxx>
#pragma GCC diagnostic ignored "-Wreorder"
#include <MEDFileField.hxx>
#include <MEDCouplingField.hxx>
using MEDCoupling::MEDCouplingField;
using MEDCoupling::MEDCouplingFieldDouble;
using MEDCoupling::MCAuto;
using MEDCoupling::MEDFileFieldMultiTS;
using MEDCoupling::MEDFileField1TS;
#endif
 
Implemente_instanciable( Champ_Fonc_MED_Table_Temps, "Champ_Fonc_MED_Table_Temps", Champ_Fonc_MED );
// XD Champ_Fonc_MED_Table_Temps champ_fonc_med Champ_Fonc_MED_Table_Temps INHERITS_BRACE Field defined as a fixed
// XD_CONT spatial shape scaled by a temporal coefficient
// XD attr table_temps bloc_lecture table_temps OPT Table containing the temporal coefficient used to scale the field
// XD attr table_temps_lue chaine table_temps_lue OPT Name of the file containing the values of the temporal coefficient
// XD_CONT used to scale the field
 
Sortie& Champ_Fonc_MED_Table_Temps::printOn(Sortie& os) const { return Champ_Fonc_MED::printOn(os); }
 
void Champ_Fonc_MED_Table_Temps::set_param(Param& param) const
{
  Champ_Fonc_MED::set_param(param);
  param.ajouter_non_std("table_temps",(this));
  param.ajouter_non_std("table_temps_lue",(this));
}
 
Entree& Champ_Fonc_MED_Table_Temps::readOn(Entree& is)
{
  Champ_Fonc_MED::readOn( is );
  if (!table_lue_)
    {
      Cerr << "A table must be read using table_temps or table_temps_lue !" << finl;
      Process::exit();
    }
  return is;
}
 
int Champ_Fonc_MED_Table_Temps::lire_motcle_non_standard(const Motcle& mot, Entree& is)
{
  if (mot == "table_temps")
    {
      if (table_lue_) Process::exit("Champ_Fonc_MED_Table_Temps : table already read!");
      Lecture_Table lec_table;
      lec_table.lire_table(is, la_table);
      table_lue_ = true;
    }
  else if (mot == "table_temps_lue")
    {
      if (table_lue_) Process::exit("Champ_Fonc_MED_Table_Temps : table already read!");
      Nom ch;
      is >> ch;
      ch = put_file_into_nom(1, ch);
      EChaine chaine(ch);
      Lecture_Table lec_table;
      lec_table.lire_table(chaine, la_table);
      table_lue_ = true;
    }
  else
    return Champ_Fonc_MED::lire_motcle_non_standard(mot,is);
  return 1;
}
 
void Champ_Fonc_MED_Table_Temps::lire_donnees_champ(const std::string& fileName, const std::string& meshName, const std::string& fieldName, ArrOfDouble& temps_sauv, int& size, int& nbcomp,
                                                    Nom& type_champ)
{
#ifdef MEDCOUPLING_
  MCAuto<MEDFileFieldMultiTS> ft1(MEDFileFieldMultiTS::New(fileName,fieldName));
  std::vector<double> tps;
  std::vector< std::pair<int,int> > tst = ft1->getTimeSteps(tps);
 
  temps_sauv.resize_array(1);
 
  int first_iter  = tst[0].first;
  int first_order = tst[0].second;
  temps_sauv[0] = tps[0];
  if (last_time_only_)
    {
      Cerr << "last_time not possible. Champ_Fonc_MED_Table_Temps can be used only with the first time " << tps[0] << " in the file." << finl;
      Process::exit();
    }
  if (meshName == domaine().le_nom()) domaine().build_mc_mesh();
  bool fast = domaine().is_mc_mesh_ready();
  MCAuto<MEDCouplingField> ffield;
  if (fast)
    {
      MCAuto<MEDFileField1TS> file = MEDFileField1TS::New(fileName, fieldName, first_iter, first_order);
      ffield = file->getFieldOnMeshAtLevel(field_type, domaine().get_mc_mesh(), 0);
    }
  else
    {
      // Only one MCAuto below to avoid double deletion:
      ffield = ReadField(field_type, fileName, meshName, 0, fieldName,
                         first_iter, first_order);
    }
  MEDCouplingFieldDouble * field = dynamic_cast<MEDCouplingFieldDouble *>((MEDCouplingField *)ffield);
  if (field == 0)
    {
      Cerr << "ERROR reading MED field! Not a MEDCouplingFieldDouble!!" << finl;
      Process::exit(-1);
    }
  size = (int)field->getNumberOfTuplesExpected();
  nbcomp = (int) field->getNumberOfComponents();
 
  if (field_type == MEDCoupling::ON_NODES)
    {
      if ((cell_type == INTERP_KERNEL::NORM_QUAD4) || (cell_type == INTERP_KERNEL::NORM_HEXA8))
        type_champ = "Champ_Fonc_Q1_MED";
      else
        type_champ = "Champ_Fonc_P1_MED";
    }
  else if (field_type == MEDCoupling::ON_CELLS)
    type_champ = "Champ_Fonc_P0_MED";
 
  vrai_champ0_.typer(type_champ);
  fixer_nb_comp(nbcomp);
  le_champ0().fixer_nb_comp(nbcomp);
  domainebidon_inst.associer_domaine(mon_dom.valeur());
  le_champ0().associer_domaine_dis_base(domainebidon_inst);
  if (domainebidon_inst.nb_elem()==0) size = 0;
  le_champ0().fixer_nb_valeurs_nodales(size);
  if (size != le_champ0().valeurs().dimension(0))
    {
      Cerr << "Error in " << que_suis_je() << " : nb_ddl incorrect" << finl;
      Process::exit();
    }
  const double *field_values = field->getArray()->begin();
  assert(field->getNumberOfTuplesExpected() == le_champ0().valeurs().dimension(0));
  assert((int) field->getNumberOfComponents() ==
         (le_champ0().valeurs().nb_dim() == 1 ? 1 : le_champ0().valeurs().dimension(1)));
  memcpy(le_champ0().valeurs().addr(), field_values,
         le_champ0().valeurs().size_array() * sizeof(double));
#endif
}
 
void Champ_Fonc_MED_Table_Temps::lire(double t, int given_it)
{
#ifdef MED_
#ifndef MEDCOUPLING_
  Cerr << "Error while reading " << que_suis_je() << ". MEDCoupling library is mandatory." << finl;
  Process::exit();
#endif
#endif
 
  if (domainebidon_inst.nb_elem() > 0)
    {
      double frac = la_table.val(t);
      const DoubleTab& vals0 = le_champ0().valeurs();
      DoubleTab& vals = le_champ().valeurs();
 
      vals = vals0;
      vals *= frac;
    }
  Champ_Fonc_base::mettre_a_jour(t);
  le_champ().Champ_Fonc_base::mettre_a_jour(t);
}
 
bool Champ_Fonc_MED_Table_Temps::instationnaire() const
{
  return la_table.instationnaire();
}