dodgr-package |
Distances On Directed GRaphs ("dodgr") |
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 contours 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_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 |
weighting_profiles |
Weighting profiles used to route different modes of transport. |
weight_railway |
Weight a network for routing along railways. |
weight_streetnet |
Weight a street network according to a specified weighting profile. |
weight_streetnet.default |
Weight a street network according to a specified weighting profile. |
weight_streetnet.SC |
Weight a street network according to a specified weighting profile. |
weight_streetnet.sc |
Weight a street network according to a specified weighting profile. |
weight_streetnet.sf |
Weight a street network according to a specified weighting profile. |
write_dodgr_wt_profile |
Write 'dodgr' weighting profiles to local file. |