Lucas van der Meer

**Is your feature request related to a problem? Please describe.** In `igraph::distances()` it is not allowed to have duplicated node indices in the *to* argument. See [here](https://igraph.org/r/doc/distances.html). > to: Numeric...

Function for map matching of trajectories

6

**Is your feature request related to a problem? Please describe.** [Map matching](https://en.wikipedia.org/wiki/Map_matching) of GPS trajectories is a common task in spatial network analysis. Maybe `sfnetworks` should have functions to support...

Write function documentation in Markdown

1

It may be a bit of work to convert, but I think it will pay off in the longterm. Function documentation will be easier to write and read. See https://roxygen2.r-lib.org/articles/markdown.html

GraphML example can not be executed on MacOS

4

Email from CRAN: >Dear maintainer, > > Please see the problems shown on > . > > Please correct before 2021-12-19 to safely retain your package on CRAN. > >...

Not all tidygraph functions work on sfnetwork objects

5

Although `sfnetwork` subclasses `tbl_graph`, not all of tidygraph functions work on sfnetwork objects. This is caused by the geometry list column, and the nodes and edges being sf objects. The...

Vignette on OSM-based networks

1

I think it is nice to have a dedicated vignette on OpenStreetMap-based networks. This vignette would present a full workflow starting with obtaining OSM data (show example both with `osmdata`...

**Is your feature request related to a problem? Please describe.** When creating an `sfnetwork` from nodes and edges, it is checked if the network is valid. For the nodes, this...

Until now we did not implement sfnetwork methods for `st_intersection` and `st_difference`, because they cut the linestring geometries and hence, break the valid spatial network structure. However, recently I dealt...

A 'play_osm' function to create osm street networks given a bbox or placename

12

**Is your feature request related to a problem? Please describe.** Tidygraph has a set of `play_*` functions to create graphs from scratch according to some defined rules/algorithms. For example `play_node_degree`...

When you run `sf::st_distance`, the resulting distance matrix has units associated with in (most commonly meters). The `sfnetworks` equivalent `st_network_cost` does not have this. If the given weights have units,...