add_nodes_to_graph      Insert new nodes into a graph, breaking edges
                        at point of nearest intersection.
clear_dodgr_cache       Remove cached versions of 'dodgr' graphs.
compare_heaps           Compare timings of different sort heaps for a
                        given input graph.
dodgr                   Distances On Directed GRaphs ("dodgr")
dodgr_cache_off         Turn off all dodgr caching in current session.
dodgr_cache_on          Turn on all dodgr caching in current session.
dodgr_centrality        Calculate betweenness centrality for a 'dodgr'
                        network.
dodgr_components        Identify connected components of graph.
dodgr_contract_graph    Contract graph to junction vertices only.
dodgr_deduplicate_graph
                        Deduplicate edges in a graph
dodgr_distances         Calculate matrix of pair-wise distances between
                        points.
dodgr_dists             Calculate matrix of pair-wise distances between
                        points.
dodgr_dists_categorical
                        Cumulative distances along different edge
                        categories
dodgr_dists_nearest     Calculate vector of shortest distances from a
                        series of 'from' points to nearest one of
                        series of 'to' points.
dodgr_flowmap           Create a map of 'dodgr' flows.
dodgr_flows_aggregate   Aggregate flows throughout a network.
dodgr_flows_disperse    Aggregate flows dispersed from each point in a
                        network.
dodgr_flows_si          Aggregate flows throughout a network using a
                        spatial interaction model.
dodgr_full_cycles       Calculate fundamental cycles on a FULL (that
                        is, non-contracted) graph.
dodgr_fundamental_cycles
                        Calculate fundamental cycles in a graph.
dodgr_insert_vertex     Insert a new node or vertex into a network
dodgr_isochrones        Calculate isochrone contours from specified
                        points.
dodgr_isodists          Calculate isodistance contours from specified
                        points.
dodgr_isoverts          Calculate isodistance or isochrone vertices
                        from specified points.
dodgr_load_streetnet    Load a street network previously saved with
                        dodgr_save_streetnet.
dodgr_paths             Calculate lists of pair-wise shortest paths
                        between points.
dodgr_sample            Sample a random but connected sub-component of
                        a graph
dodgr_save_streetnet    Save a weighted streetnet to a local file
dodgr_sflines_to_poly   Convert 'sf' 'LINESTRING' objects to 'POLYGON'
                        objects representing all fundamental cycles
                        within the 'LINESTRING' objects.
dodgr_streetnet         Extract a street network in 'sf'-format for a
                        given location.
dodgr_streetnet_geodesic
                        Force weight_streetnet to use geodesic
                        distances.
dodgr_streetnet_sc      Extract a street network in 'silicate'-format
                        for a given location.
dodgr_times             Calculate matrix of pair-wise travel times
                        between points.
dodgr_to_igraph         Convert a 'dodgr' graph to an 'igraph'.
dodgr_to_sf             Convert a 'dodgr' graph into an equivalent 'sf'
                        object.
dodgr_to_sfc            Convert a 'dodgr' graph into an equivalent
                        'sf::sfc' object.
dodgr_to_tidygraph      Convert a 'dodgr' graph to an 'tidygraph'.
dodgr_uncontract_graph
                        Re-expand a contracted graph.
dodgr_vertices          Extract vertices of graph, including spatial
                        coordinates if included.
estimate_centrality_threshold
                        Estimate a value for the 'dist_threshold'
                        parameter of the dodgr_centrality function.
estimate_centrality_time
                        Estimate time required for a planned centrality
                        calculation.
hampi                   Sample street network from Hampi, India.
igraph_to_dodgr         Convert a 'igraph' network to an equivalent
                        'dodgr' representation.
match_points_to_graph   Alias for match_pts_to_graph
match_points_to_verts   Alias for match_pts_to_verts
match_pts_to_graph      Match spatial points to the edges of a spatial
                        graph.
match_pts_to_verts      Match spatial points to the vertices of a
                        spatial graph.
merge_directed_graph    Merge directed edges into equivalent undirected
                        edges.
os_roads_bristol        Sample street network from Bristol, U.K.
summary.dodgr_dists_categorical
                        Transform a result from dodgr_dists_categorical
                        to summary statistics
weight_railway          Weight a network for routing along railways.
weight_streetnet        Weight a street network according to a
                        specified weighting profile.
weighting_profiles      Weighting profiles used to route different
                        modes of transport.
write_dodgr_wt_profile
                        Write 'dodgr' weighting profiles to local file.
