CubitStatus RefEdge::get_point_direction( CubitVector& origin, CubitVector& direction )
{
Curve* curve_ptr = get_curve_ptr();
if( curve_ptr != NULL )
{
if( curve_ptr->geometry_type() != STRAIGHT_CURVE_TYPE )
return CUBIT_FAILURE;
if( curve_ptr->get_point_direction( origin, direction ) == CUBIT_FAILURE )
{
origin = start_coordinates();
direction = end_coordinates() - origin;
direction.normalize();
}
}
else
{
PRINT_WARNING("In RefEdge::get_point_direction\n"
" %s (curve %d) is not associated with a valid\n"
" underlying geometric Curve\n",
entity_name().c_str(), id()) ;
return CUBIT_FAILURE ;
}
if (curve_ptr->bridge_sense() == CUBIT_REVERSED)
direction = -direction;
return CUBIT_SUCCESS;
}
great_circle::arc::operator std::string() const
{
return "[" + std::string(begin_coordinates()) + " -> " +std::string(end_coordinates()) + "]";
}
