add_barriers	add_barriers
compose_resistance	compose_resistance
prepare_geodesic_context	prepare_geodesic_context
weighted_voronoi	weighted_voronoi
weighted_voronoi_domain	weighted_voronoi_domain
weighted_voronoi_geodesic	weighted_voronoi_geodesic
weighted_voronoi_time	weighted_voronoi_time
weighted_voronoi_uncertainty	weighted_voronoi_uncertainty
