Rotation.cpp

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#include <Rotation.h>
 
Implemente_instanciable(Rotation,"Rotation",Transformer);
// XD rotation interprete rotation INHERITS_BRACE Keyword to rotate the geometry of an arbitrary angle around an axis
// XD_CONT aligned with Ox, Oy or Oz axis.
// XD attr domain_name ref_domaine domain_name REQ Name of domain to wich the transformation is applied.
// XD attr dir chaine(into=["X","Y","Z"]) dir REQ X, Y or Z to indicate the direction of the rotation axis
// XD attr coord1 floattant coord1 REQ coordinates of the center of rotation in the plane orthogonal to the rotation
// XD_CONT axis. These coordinates must be specified in the direct triad sense.
// XD attr coord2 floattant coord2 REQ not_set
// XD attr angle floattant angle REQ angle of rotation (in degrees)
 
 
/*! @brief Simple call to: Transformer::printOn(Sortie&)
 *
 * @param (Sortie& os) an output stream
 * @return (Sortie&) the modified output stream
 */
Sortie& Rotation::printOn(Sortie& os) const
{
  return Transformer::printOn(os);
}
 
/*! @brief Simple call to: Transformer::ReadOn(Sortie&)
 *
 * @param (Entree& is) an input stream
 * @return (Entree&) the modified input stream
 */
Entree& Rotation::readOn(Entree& is)
{
  return Transformer::readOn(is);
}
 
Entree& Rotation::interpreter_(Entree& is)
{
  associer_domaine(is);
  verifie_type_elem();
 
  Noms les_fcts;
  les_fcts.dimensionner(dimension);
 
  int dir_axe,dir1,dir2;
  double coor1,coor2,angle;
  Nom axe_direction,nomc1,nomc2,nomang;
  Nom var1,var2,var_axe;
  double pi = M_PI;
  is>>axe_direction;
  ////is>>dir_axe;
  dir_axe=-1;
  if (Motcle(axe_direction)=="X")
    dir_axe=0;
  else if (Motcle(axe_direction)=="Y")
    dir_axe=1;
  else if (Motcle(axe_direction)=="Z")
    dir_axe=2;
  else
    {
      Cerr<<"The direction of the rotation axis must be specified by X, Y or Z"<<finl;
      exit();
    }
 
  is>>coor1>>coor2>>angle;
  angle = (2*pi)*(angle/360.);
  nomc1 = Nom(coor1);
  nomc2 = Nom(coor2);
  nomang = Nom(angle);
 
  dir1=-1;
  dir2=-1;
  if (dimension==3)
    {
      if (dir_axe==0)
        {
          var1="(y-";
          var2="(z-";
          var_axe="x";
          dir1=1;
          dir2=2;
        }
      else if (dir_axe==1)
        {
          var1="(z-";
          var2="(x-";
          var_axe="y";
          dir1=2;
          dir2=0;
        }
      else if (dir_axe==2)
        {
          var1="(x-";
          var2="(y-";
          var_axe="z";
          dir1=0;
          dir2=1;
        }
 
      les_fcts[dir_axe] = var_axe;
    }
  else
    {
      var1="(x-";
      var2="(y-";
      dir1=0;
      dir2=1;
    }
 
  les_fcts[dir1] = var1;
  les_fcts[dir1] += "(";
  les_fcts[dir1] += nomc1;
  les_fcts[dir1] += ")";
  les_fcts[dir1] += ")*cos(";
  les_fcts[dir1] += nomang;
  les_fcts[dir1] += ")-";
  les_fcts[dir1] += var2;
  les_fcts[dir1] += "(";
  les_fcts[dir1] += nomc2;
  les_fcts[dir1] += ")";
  les_fcts[dir1] += ")*sin(";
  les_fcts[dir1] += nomang;
  les_fcts[dir1] += ")";
  les_fcts[dir1] += "+(";
  les_fcts[dir1] += nomc1;
  les_fcts[dir1] += ")";
 
  les_fcts[dir2] = var1;
  les_fcts[dir2] += "(";
  les_fcts[dir2] += nomc1;
  les_fcts[dir2] += ")";
  les_fcts[dir2] += ")*sin(";
  les_fcts[dir2] += nomang;
  les_fcts[dir2] += ")+";
  les_fcts[dir2] += var2;
  les_fcts[dir2] += "(";
  les_fcts[dir2] += nomc2;
  les_fcts[dir2] += ")";
  les_fcts[dir2] += ")*cos(";
  les_fcts[dir2] += nomang;
  les_fcts[dir2] += ")";
  les_fcts[dir2] += "+(";
  les_fcts[dir2] += nomc2;
  les_fcts[dir2] += ")";
 
  transformation_complete(les_fcts);
  return is;
}