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v 0.4.1.00x (dev version)

Minor changes

  • Added Andrea Gilardi (@agila5) as contributor
  • weight_streetnet now raises a warning (instead of an error) in case the input sf object has mixed geometry types instead of only LINESTRING. The function filters only the geometries having LINESTRING type (#246, thanks to @agila5).
  • Pre-pend class structure of dodgr_streetnet objects to data.frame, rather than append; thanks to @agila5 (#244).
  • Fix bug in graph contraction that left duplicated edges (#236, thanks to @Robinlovelace).
  • Fix minor bug in de-duplication discovered via #236.
  • Update documentation for weight_streetnet; #245 thanks to @agila5
  • Update documentation for "from" and "to" parameters of dists and other fns; #254 thanks to @luukvdmeer

v 0.4.1

Minor changes

  • dodgr_flows_aggregate() now has a pairwise parameter, to enable flows to be aggregated only along paths connecting each pair of from and to points. Thanks to @chinhqho via #229
  • Update igraph::get.edgelist -> as_edgelist (#229) to suppress warnings from igraph conversion functions.
  • Minor tweak to bundled src/concaveman to remove CRAN warning from new gcc 14.x (#235)

v 0.4.0

Major changes:

  • Transfer repository from 'atfutures/dodgr' -> 'urbananalyst/dodgr'
  • Added new vignette on isodists and isochrone functions (#255)
  • Implemented new 'concavity' parameter for isodistance, isochrone fns (#223, thanks to @pasipasi123).

Minor changes:

  • Fix bug in add_nodes_to_graph with "sc" networks (#217, thanks to @diegoteca)
  • Fix bug in Tobler cost function for effect of slopes on walking times (#219, thanks to @xtimbeau).

v 0.2.21

Major changes:

  • New pairwise parameter added to dodgr_dists_categorical (#201)
  • New function: dodgr_dists_nearest() (#203)
  • Updated weight_streenet() function for wt_profile="bicycle" to return many more bicycle-relevant columns (#207).
  • Fix major bug in categorical dists routines that gave wrong values (#201; thanks to @xiaofanliang)
  • Fix bug in add_nodes_to_graph, #103
  • Add 2 new parameters to add_nodes_to_graph, "dist_tol" and "intersections_only" (#103)

Minor changes:

  • Fix bugs that issued warnings in weight_streetnet.sc if no "lanes" or "junction" columns present.

v 0.2.20

Major changes:

  • Fixed GitHub updates of package website (does not affect CRAN release).

Minor changes:

  • General documentation updates.
  • Minor change to weight_streetnet.sc to suppress dplyr left_join warnings
  • Minor fixes to tests.
  • Update citation file to match new CRAN requirements (#204).

v 0.2.19

Minor changes:

  • Changes to align with new dplyr version (#198; thanks to @DavisVaughan)
  • Update broken URL in times vignette.

v 0.2.18

Minor changes:

  • Minor bug fix in matching to/from points for routing.
  • Minor bug fix with caching contracted graphs
  • Minor bug fix matching OSM max speed values for motorcar routing.
  • Minor bug fix implements additional check in dodgr_vertices to re-calculate if cached vertices don't match current graph.
  • Allow contra-flow when weighting bicycle networks; otherwise networks can end up unroutable.
  • Bug fix in remove_duplicated_edges() for SC-class networks.

v 0.2.17

Minor changes:

  • Added nocache parameter to dodgr_contract_graph, to enable forced re-calculation of contracted graphs (#194)
  • Fix bug in graph contraction which prevented in picking up additional data columns (#194; thanks to @sriramab)
  • Fix bug in caching mechanism which stopped graph conversion routines (like dodgr_to_sf) from carrying across extra columns (#194; thanks to @sriramab)
  • Fix bug in distances when from or to default to all vertices
  • Fix weighting networks for motorcars to adhere to OSM "maxspeed" values where those are given, rather than profile values (#193)

v 0.2.16

Major changes:

  • Additional "distances" parameter added to match_pts_to_graph() to return geodesic distance to point of edge intersection.
  • Fixed major bug in centrality calculations on graphs with duplicated edges (#186).
  • Added new vignette with instructions on parallel thread control
  • New function, dodgr_deduplicate_graph() to reduce duplicated edges and insert minimal distances/times (#187)
  • weight_streetnet function now returns standard graphs even when turn_penalty = TRUE; compound junctions are calculated within each function (#190).

Minor changes:

  • Walking cost function in networks with elevation improved (#124)
  • Fixed weight_streetnet.sc to respect "bicycle" and "foot" tags for those weighting profiles (#189)

v 0.2.15

Breaking changes:

  • match_pts_to_graph() renamed to match_pts_to_verts()
  • New match_pts_to_graph() function matches to graph edges, using nearest perpendicular intersection (issue #103)

Major changes:

  • dodgr_paths pairwise calculation shifted to C++, thanks to @dcooley

Minor changes:

  • Fix dodgr_flowmap to work on both sf and sc streetnets.
  • Reformat code using https://github.com/ropensci-review-tools/spaceout
  • Minor bug fix matching from/to args of dodgr_flows_aggregate()
  • Bug fix when submitting contracted graphs to flow fns
  • Change default value in all dodgr_flows_ functions from contract = FALSE to contract = TRUE

v 0.2.14

Minor changes:

  • Main parameter of weight_railway function renamed sf_lines -> x (for consistency with all other weight_ functions).
  • Default distances for all functions changed to geodesic distances calculated via geodist.

v 0.2.13

Major changes:

  • New save_dodgr_streetnet and load_dodgr_streetnet functions; thanks to idea from @FlxPo
  • Edge maps used to uncontract graphs now store edges in original order, enabling complex edge sequences such as polygons to be reconstructed (#173).
  • Add "Imports: fs" to ensure cache paths work on all (ie windows) machines (#163)
  • Implement directional travel in roundabouts on weight_streetnet.sc, thanks to @deanmarchiori (#175).

Minor changes:

  • Add example code for dodgr_dists_categorical
  • Slightly extend categorical routing vignette
  • fix caching bug in dodgr_centrality (#138), thanks to @mem48
  • Fix bug with bbox in dodgr_streetnet, thanks to @LeshunXu (#174)
  • Fix bug in src/graph-contract.cpp that led to CRAN warning (| -> ||)

v 0.2.12

Minor changes:

  • Bug fix for dists_categorical(proportions_only = TRUE) to ensure all edge types are aggregated (final type was previously not aggregated).

v 0.2.11

Major changes:

  • New dodgr_dists_categorical function + accompanying vignette

v 0.2.9

Major changes:

  • weight_streetnet now includes turn restrictions when input data are extracted with dodgr_streetnet_sc (#136 thanks to @edzer)
  • Turn restrictions also added as additional column of weighting_profiles$penalties
  • dodgr_streetnet_sc() now extracts many additional features useful for controlling access restrictions (see #159)
  • dodgr_centrality has new vert_wts parameter to weight centrality by user-specified weights (#162)

Minor changes:

  • Bug fix when submitting contracted graphs to dodgr_to_sf (#155 thanks to @agila5)
  • Fix (internal) process_bbox function for vector inputs (#156 thanks to @agila5@)

v 0.2.8

Minor changes:

  • Bug fix (#142) in dodgr_flows_disperse() thanks for @romainFr
  • Fix keep_cols param in weight_streetnet(); #140 thanks to @agila5
  • Return component vector as integer not numeric

v 0.2.7

Minor changes:

  • UBSAN Bug fix

v 0.2.6

Major changes:

  • Added new dodgr_centrality function, and associated helper functions.
  • Added new dodgr_flows_si function
  • Added new parameter norm_sums to dodgr_flows_aggregate
  • merge_directed_flows renamed to merge_directed_graph, with added option of specifying columns to merge.
  • Added new pairwise parameter to dodgr_distances; see issue #127
  • Added new function dodgr_insert_vertex to add new vertices to graph; see #40
  • Removed "radix" heap option

Minor changes:

  • switch off examples that caused previous CRAN failures
  • fix bug in dodgr_dists when number of from points >> number of to points
  • fix bug in weight_streetnet.sc that prevented keep_cols from working

v0.2.5

  • bug fixes from previous versions

v0.2.4

Major changes:

  • Remove benchmark vignette

Minor changes:

  • bug fixes in dodgr_paths, thanks to @agila5

v0.2.1

Major changes:

  • Add dodgr_isochrones, dodgr_isodistances, and dodgr_isoverts functions
  • Considerable speed-ups for dodgr_flows_aggregate and dodgr_flows_disperse

Minor changes:

  • dodgr_flows_disperse allows k to be a vector, with different coefficients for each from point.
  • Add "highway:pedestrian" to weighting profiles
  • weight_streetnet for sc objects automatically adds component column
  • bug fix in weight_streetnet.sc(..., wt_profile = 1)
  • bug fix in dodgr_full_cycles for SC class objects

v0.2.0

Major changes:

  • Lots of intermediate processes now executed and cached as background processes (via callr package).
  • new dodgr_cache_off function added to suppress primary caching, for cases where immediate usage is critical.
  • dodgr_contract_graph returns the contracted graph only, instead of former version which return list of graph and edge_map (the edge_map is cached and re-loaded when needed for graph uncontraction).

Minor changes:

  • 'turn_angle' parameter of weight_streetnet renamed to turn_penalty
  • Test coverage now complete (100%)
  • Update internal hampi data to remove factor columns
  • Fix some bugs in max speed calculations for weight_streetnet
  • Fix bug with polygonal bbox in dodgr_streetnet()

v0.1.4

Major changes:

  • New vignette on street networks and time-based routing
  • weight_streetnet function now returns edge times for all Open Street Map networks extracted with the osmdata package.
  • weight_streetnet now accepts SC format data from osmdata::osmdata_sc()
  • New dodgr_times function to calculate journey times, including differential speeds and penalties for intersections and traffic lights.
  • dodgr::weighting_profiles data changed from single data.frame to list with additional parameters determining speeds and time penalties for dodgr_times function; former data.frame is now dodgr::weighting_profiles$weighting_profiles.
  • New function write_dodgr_wt_profile writes full profile to local .json file for editing and subsequent use via weight_streetnet(wt_profile_file=<local_file_name.json>).
  • dodgr_dists(), dodgr_paths(), and dodgr_flows() can no longer be used to automatically download street networks, thus former parameters wt_profile and expand have been removed; networks must be explicitly downloaded with dodgr_streetnet().

Minor changes:

  • Bug fix with dodgr_to_igraph to create proper weighted igraph
  • Add "footway" to weighting_profiles

v0.1.3

Major changes:

  • New functions dodgr_fundamental_cycles and dodgr_full_cycles
  • New function dodgr_sflines_to_poly to convert sf collections of LINESTRING object into corresponding enclosed POLYGON objects.
  • New function dodgr_to_sf creates full sf objects, extending dodgr_to_sfc
  • New function igraph_to_dodgr converts igraph objects into dodgr format
  • New function dodgr_uncontract_graph to convert from contracted back into original, uncontracted from, including any additional data appended on to contracted graph.

Minor changes:

  • Bug fix with vignette caused by updates to tinytex rendering of svg
  • Bug fix for dodgr_dists (heap = "set") with integer distances

v0.1.2

Major changes:

  • New function dodgr_to_igraph
  • weight_streetnet is now a method, with implementations for objects of classes .sf and .sc.
  • New function weight_railway to weight a network for railway routing.
  • dodgr_dists implements Dijkstra paths with std::set sorting through new option dodgr_dists(..., heap = "set") (It's slower than others, but good for sake of completeness).

Minor changes:

  • Various modifications that should result in notable speed gains
  • dodgr_streetnet now accepts polygonal bbox argument, and uses osmdata::trim_osmdata to trim resultant network to within that polygon (issue #50).
  • Extended examples for weight_streetnet and dodgr_flows_aggregateto include a non-OSM example fromstplanr::routes_fast` (issue #45).

v0.1.1

Major changes:

  • Crucial fix of previous typo that made all dodgr_dist calculations wrong (Earth's radius is 6371, not 3671!) - thanks to @chrijo
  • weight_streetnet function now accepts data.frame objects defining wt_profile, enabling modification and direct re-submission of dodgr::weighting_profiles
  • weighting_profiles$value modified to 0-1 scores rather than previous percentage values.
  • weight_streetnet flags any highway types not present in nominated or submitted weighting profile.
  • dodgr_paths now has additional pairwise parameter to enable paths only between matched pairs of from and to points (so returning n paths rather than n^2), thanks to @mem48.
  • dodgr_to_sf deprecated to dodgr_to_sfc (#43)

Minor changes:

  • Added Malcolm Morgan (@mem48; bug-finder extraordinare) as contributor
  • Bug fix with dodgr_paths and simple data.frames, thanks to James Smith.
  • Bug fix of former improper handling of one-way edges, thanks to @chrijo.
  • match_pts_to_graph has additional connected parameter to allow points to be matched only to largest connected component.

v0.1.0

Major changes:

  • New function dodgr_flowmap plots maps of flows. Currently only writes .png files, because large networks can not be effectively plotted on graphic devices.
  • dodgr_flows has option to routes flows from a set of source origins to all points in a network, attenuated by distance from those origins.
  • dodgr_to_sf converts a spatially-explicit dodgr graph into Simple Features (sf) format.

Minor changes:

  • match_pts_to_graph now accepts Simple Features (sf) collections of sfc_POINT objects to be matched.

v0.0.3

Tidy C++ code that flagged errors on CRAN solaris machine. Nothing else.

v0.0.2

Major changes:

  • New function, dodgr_paths, for returning explicit shortest path routes.
  • New function, dodgr_flows, for aggregting flows across a network from multiple origin and destination points.
  • New function, merge_directed_flows, to reduce aggregated directional flows to non-directional equivalent values useful for visualisation.

Minor changes:

  • weight_streetnet now accepts arbitrary sf-formatted networks via specification of custom weighting profiles, along with highway type and ID columns in data.frame.
  • Distance matrices from dodgr_dists inherit the names of routing points (from and to parameters).

v0.0.1

Initial CRAN release.