Segment.cpp

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#include <Segment.h>
#include <Domaine.h>
 
Implemente_instanciable_32_64(Segment_32_64,"Segment",Elem_geom_base_32_64<_T_>);
// XD segment sonde_base segment NO_BRACE Keyword to define the number of probe segment points. The file is arranged in
// XD_CONT columns.
// XD attr nbr entier nbr REQ Number of probe points of the segment, evenly distributed.
// XD attr point_deb un_point point_deb REQ First outer probe segment point.
// XD attr point_fin un_point point_fin REQ Second outer probe segment point.
 
static int faces_sommets_segment[2][1] =
{ { 0 } ,{ 1 } };
 
template <typename _SIZE_>
Sortie& Segment_32_64<_SIZE_>::printOn(Sortie& s ) const
{
  return s;
}
 
template <typename _SIZE_>
Entree& Segment_32_64<_SIZE_>::readOn(Entree& s )
{
  return s;
}
 
/*! @brief Reorders the vertices of the segment.
 *
 */
template <typename _SIZE_>
void Segment_32_64<_SIZE_>::reordonner()
{
  Domaine_t& domaine=mon_dom.valeur();
  IntTab_t& elem=domaine.les_elems();
  const Domaine_t& dom=domaine;
  SmallArrOfTID_t S(2);
  int i;
  const int_t nb_elem=domaine.nb_elem();
  for (int_t num_poly=0; num_poly<nb_elem; num_poly++)
    {
      for(i=0; i<2; i++)
        S[i] = elem(num_poly,i);
 
      if(sup_strict(dom.coord(S[0], 0),dom.coord(S[1], 0)))
        {
          int_t tmp=S[0];
          S[0]=S[1];
          S[1]=tmp;
        }
 
      for(i=0; i<2; i++)
        elem(num_poly, i)=S[i];
    }
}
 
 
/*! @brief Returns the LML name of a segment.
 *
 * @return Always equal to "SEGMENT" (or "QUADRANGLE_3D" in 2D).
 */
template <typename _SIZE_>
const Nom& Segment_32_64<_SIZE_>::nom_lml() const
{
  static Nom nom="SEGMENT";
  if (dimension==2)
    nom="QUADRANGLE_3D";
  return nom;
}
 
 
/*! @brief Returns 1 if element "element" of the domain associated with this geometric element contains the point
 *
 * with coordinates specified by parameter "pos". Returns 0 otherwise.
 *
 * @param pos Coordinates of the point to locate.
 * @param element Index of the domain element in which to search for the point.
 * @return 1 if the point belongs to element "element", 0 otherwise.
 */
template <typename _SIZE_>
int Segment_32_64<_SIZE_>::contient(const ArrOfDouble& pos, int_t element ) const
{
  assert(pos.size_array()==dimension);
 
  const Domaine_t& domaine=mon_dom.valeur();
  const Domaine_t& dom=domaine;
  const IntTab_t& elem=domaine.les_elems();
  // Test whether OM = a.O1 with O and 1 the extreme points of the seg and M the point to be tested
  double autre_a = 0;
  for (int d=0; d<dimension; d++)
    {
      double O1 = dom.coord(elem(element,1), d) - dom.coord(elem(element,0), d);
      double OM = pos[d] - dom.coord(elem(element,0), d);
      if (!est_egal(O1,0))
        {
          double a = OM/O1;
          // M is outside O1?
          if (a<-Objet_U::precision_geom || a>1+Objet_U::precision_geom) return 0;
          // a is not the same as for another dimension, <=> not aligned
          if (autre_a>0 && !est_egal(a, autre_a)) return 0;
          autre_a = a;
        }
      else if (!est_egal(OM,0)) return 0; // M is not along O1
    }
  return 1;
}
 
 
/*! @brief Returns 1 if the vertices specified by parameter "pos" are the vertices of element "element"
 *
 * in the domain associated with this geometric element. Returns 0 otherwise.
 *
 * @param pos Vertex indices to compare with those of element "element".
 * @param element Index of the domain element whose vertices are to be compared.
 * @return 1 if the specified vertices are those of the given element, 0 otherwise.
 */
template <typename _SIZE_>
int Segment_32_64<_SIZE_>::contient(const SmallArrOfTID_t& pos, int_t element ) const
{
  assert(pos.size_array()==1);
  const Domaine_t& domaine=mon_dom.valeur();
  if((domaine.sommet_elem(element,0)==pos[0])&&
      (domaine.sommet_elem(element,1)==pos[1]))
    return 1;
  else
    return 0;
}
 
/*! @brief Computes the volumes of the elements of the associated domain.
 *
 * @param volumes Vector to fill with the volumes of domain elements.
 */
template <typename _SIZE_>
void Segment_32_64<_SIZE_>::calculer_volumes(DoubleVect_t& volumes) const
{
  const Domaine_t& domaine=mon_dom.valeur();
  const Domaine_t& dom=domaine;
  double dx;
  int_t S1,S2;
 
  int_t size_tot = domaine.nb_elem_tot();
  assert(volumes.size_totale()==size_tot);
  for (int_t num_poly=0; num_poly<size_tot; num_poly++)
    {
      S1 = domaine.sommet_elem(num_poly,0);
      S2 = domaine.sommet_elem(num_poly,1);
      dx=0;
      for (int i=0; i<dimension; i++)
        {
          double d = dom.coord(S2,i) - dom.coord(S1,i);
          dx+=d*d;
        }
      volumes[num_poly]= sqrt(dx);
    }
}
 
/*! @brief See ElemGeomBase::get_tab_faces_sommets_locaux.
 */
template <typename _SIZE_>
int Segment_32_64<_SIZE_>::get_tab_faces_sommets_locaux(IntTab& faces_som_local) const
{
  faces_som_local.resize(2,1);
  for (int j=0; j<2; j++)
    faces_som_local(j,0) = faces_sommets_segment[j][0];
  return 1;
}
 
 
template class Segment_32_64<int>;
#if INT_is_64_ == 2
template class Segment_32_64<trustIdType>;
#endif