if(iter->get_continuity()!=0.0)
waypoint_node->set_attribute("continuity",strprintf("%f",iter->get_continuity()));
if(iter->get_bias()!=0.0)
if(iter->get_continuity()!=0.0)
waypoint_node->set_attribute("continuity",strprintf("%f",iter->get_continuity()));
if(iter->get_bias()!=0.0)