Rectangle.cpp

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#include <Rectangle.h>
#include <Domaine.h>
 
static int faces_sommets_rectangle[4][2] =
{
  { 0, 2 },
  { 0, 1 },
  { 1, 3 },
  { 2, 3 }
};
 
Implemente_instanciable_32_64(Rectangle_32_64,"Rectangle",Elem_geom_base_32_64<_T_>);
 
template <typename _SIZE_>
Sortie& Rectangle_32_64<_SIZE_>::printOn(Sortie& s ) const
{
  return s;
}
 
template <typename _SIZE_>
Entree& Rectangle_32_64<_SIZE_>::readOn(Entree& s )
{
  return s;
}
 
/*! @brief Reorders the vertices of the rectangle.
 *
 */
template <typename _SIZE_>
void Rectangle_32_64<_SIZE_>::reordonner()
{
  if (reordonner_elem()==-1)
    {
      Cerr << "It is expected to treat rectangles but" << finl;
      Cerr << "one of the elements is not rectangle!" << finl;
      Cerr << "Check your mesh." << finl;
      Process::exit();
    }
}
 
/*! @brief Reorders and verifies that the elements are indeed rectangles.
 */
template <typename _SIZE_>
int Rectangle_32_64<_SIZE_>::reordonner_elem()
{
  Domaine_t& domaine=mon_dom.valeur();
  const Domaine_t& dom=domaine;
  IntTab_t& elem=domaine.les_elems();
 
  SmallArrOfTID_t S(4);
  SmallArrOfTID_t NS(4);
  DoubleTab co(4,2);
  int i,j;
  double xmin, ymin;
  const int_t nb_elem=domaine.nb_elem();
  for (int_t num_poly=0; num_poly<nb_elem; num_poly++)
    {
      NS=-1;
      for(i=0; i<4; i++)
        {
          S[i] = elem(num_poly,i);
          for(j=0; j<2; j++)
            co(i,j) = dom.coord(S[i], j);
        }
 
      xmin=std::min(co(0, 0), co(1, 0));
      xmin=std::min(xmin, co(2, 0));
      ymin=std::min(co(0, 1), co(1, 1));
      ymin=std::min(ymin, co(2, 1));
 
      for(i=0; i<4; i++)
        if ( est_egal(co(i, 0),xmin) && est_egal(co(i, 1),ymin))
          NS[0]=S[i];
      for(i=0; i<4; i++)
        if ( !est_egal(co(i, 0),xmin) && est_egal(co(i, 1),ymin))
          NS[1]=S[i];
      for(i=0; i<4; i++)
        if ( est_egal(co(i, 0),xmin) && !est_egal(co(i, 1),ymin))
          NS[2]=S[i];
      for(i=0; i<4; i++)
        if ( !est_egal(co(i, 0),xmin) && !est_egal(co(i, 1),ymin))
          NS[3]=S[i];
 
      // If a vertex is -1, this is not a Rectangle!
      if (min_array(NS)==-1)
        {
          Cerr << "The element " << num_poly << " is not a rectangle." << finl;
          return -1;
        }
      // Otherwise fill elem
      for(i=0; i<4; i++)
        elem(num_poly, i)=NS[i];
    }
  return 0;
}
 
/*! @brief Returns the LML name of a rectangle = "VOXEL8".
 *
 * @return (Nom&) always equal to "VOXEL8"
 */
template <typename _SIZE_>
const Nom& Rectangle_32_64<_SIZE_>::nom_lml() const
{
  static Nom nom="VOXEL8";
  if (dimension==3) nom="QUADRANGLE_3D";
  return nom;
}
 
 
/*! @brief Returns 1 if element ielem of the domain associated with the geometric element contains the point
 *
 *               with coordinates specified by parameter "pos".
 *     Returns 0 otherwise.
 *
 * @param (DoubleVect& pos) coordinates of the point to locate
 * @param (int ielem) the index of the domain element in which the point is searched.
 * @return (int) 1 if the point with specified coordinates belongs to element ielem, 0 otherwise
 */
template <typename _SIZE_>
int Rectangle_32_64<_SIZE_>::contient(const ArrOfDouble& pos, int_t element ) const
{
  assert(pos.size_array()==2);
  const Domaine_t& dom=mon_dom.valeur();
  int_t som0 = dom.sommet_elem(element,0),
        som3 = dom.sommet_elem(element,3);
  if (    inf_ou_egal(dom.coord(som0,0),pos[0]) && inf_ou_egal(pos[0],dom.coord(som3,0))
          && inf_ou_egal(dom.coord(som0,1),pos[1]) && inf_ou_egal(pos[1],dom.coord(som3,1)) )
    return 1;
  else
    return 0;
}
 
/*! @brief Returns 1 if the vertices specified by parameter "pos" are the vertices of element "element" of the domain associated with
 *
 *     the geometric element.
 *
 * @param (IntVect& pos) the vertex indices to compare with those of element "element"
 * @param (int element) the index of the domain element whose vertices are to be compared
 * @return (int) 1 if the vertices passed as parameter are those of the specified element, 0 otherwise
 */
template <typename _SIZE_>
int Rectangle_32_64<_SIZE_>::contient(const SmallArrOfTID_t& som, int_t element ) const
{
  const Domaine_t& domaine=mon_dom.valeur();
  if((domaine.sommet_elem(element,0)==som[0])&&
      (domaine.sommet_elem(element,1)==som[1])&&
      (domaine.sommet_elem(element,2)==som[2])&&
      (domaine.sommet_elem(element,3)==som[3]))
    return 1;
  else
    return 0;
}
 
 
/*! @brief Computes the volumes of the elements of the associated domain.
 *
 * @param (DoubleVect& volumes) the vector containing the volume values of the domain elements
 */
template <typename _SIZE_>
void Rectangle_32_64<_SIZE_>::calculer_volumes(DoubleVect_t& volumes) const
{
  if (dimension==3)
    {
      Cerr << "Rectangle_32_64<_SIZE_>::calculer_volumes is not supported for 3D yet." << finl;
      Process::exit();
    }
  const Domaine_t& dom=mon_dom.valeur();
  double dx,dy;
  int_t S1,S2,S3;
 
  int_t size_tot = dom.nb_elem_tot();
  assert(volumes.size_totale()==size_tot);
  for (int_t num_poly=0; num_poly<size_tot; num_poly++)
    {
      S1 = dom.sommet_elem(num_poly,0);
      S2 = dom.sommet_elem(num_poly,1);
      S3 = dom.sommet_elem(num_poly,2);
      dx = dom.coord(S2,0) - dom.coord(S1,0);
      dy = dom.coord(S3,1) - dom.coord(S1,1);
      volumes[num_poly]= dx*dy;
    }
}
 
 
/*! @brief Computes the normals to the faces of the elements of the associated domain.
 *
 * @param (IntTab& face_sommets) the vertex indices of the faces in the vertex list of the associated domain
 * @param (DoubleTab& face_normales)
 */
template <typename _SIZE_>
void Rectangle_32_64<_SIZE_>::calculer_normales(const IntTab_t& Face_sommets, DoubleTab_t& face_normales) const
{
  const Domaine_t& domaine_geom = mon_dom.valeur();
  const DoubleTab_t& les_coords = domaine_geom.coord_sommets();
  int_t nbfaces = Face_sommets.dimension(0);
  double x1,y1;
  int_t n0,n1;
  for (int_t numface=0; numface<nbfaces; numface++)
    {
      n0 = Face_sommets(numface,0);
      n1 = Face_sommets(numface,1);
      x1 = les_coords(n0,0) - les_coords(n1,0);
      y1 = les_coords(n0,1) - les_coords(n1,1);
      face_normales(numface,0) = -y1;
      face_normales(numface,1) = x1;
    }
}
 
/*! @brief voir ElemGeomBase::get_tab_faces_sommets_locaux
 *
 */
template <typename _SIZE_>
int Rectangle_32_64<_SIZE_>::get_tab_faces_sommets_locaux(IntTab& faces_som_local) const
{
  faces_som_local.resize(4,2);
  for (int i=0; i<4; i++)
    for (int j=0; j<2; j++)
      faces_som_local(i,j) = faces_sommets_rectangle[i][j];
  return 1;
}
 
 
template class Rectangle_32_64<int>;
#if INT_is_64_ == 2
template class Rectangle_32_64<trustIdType>;
#endif