OCC_CG_FORME_VOLUME_ELLIPSOIDE(MG_CG_MODELE *mgcg_modele, double centre_x, double centre_y, double centre_z, double direction_x, double direction_y, double direction_z, double rayon_majeur, double rayon_mineur)
OCC_CG_FORME_VOLUME_ELLIPSOIDE(MG_CG_MODELE *mgcg_modele, int etat, unsigned long num, MG_VOLUME *mg_volume, double centre_x, double centre_y, double centre_z, double direction_x, double direction_y, double direction_z, double rayon_majeur, double rayon_mineur)