float get_parallel_distance() const { return par_dist; }
float get_perpendicular_distance() const { return perp_dist; }
const R2C2::Angle &get_angle_difference() const { return adiff; }
float get_parallel_distance() const { return par_dist; }
float get_perpendicular_distance() const { return perp_dist; }
const R2C2::Angle &get_angle_difference() const { return adiff; }