osrm R package
Interface Between R and the OpenStreetMap-Based Routing Service OSRM
Description
OSRM is a routing service based on OpenStreetMap data. See http://project-osrm.org/ for more information. This package allows to compute distances (travel time and kilometric distance) between points and travel time matrices.
This package relies on the usage of a running OSRM service (tested with v5.22.0 of OSRM).
You can run your own instance of OSRM following guidelines provided here: https://github.com/Project-OSRM/osrm-backend.
The simplest solution is probably the one based on docker containers.
To set the OSRM server, use the osrm.server option: options(osrm.server = "http://address.of.the.server/").
To set the profile ("driving" is set by default and it is the only profile available on the demo server), use the osrm.profile option: options(osrm.profile = "name.of.the.profile").
The "driving" profile is set by default and it is the only profile available on the demo server. Other possible profiles are "walk" and "bike".
A typical setup, corresponding to the Docker example, would be:
options(osrm.server = "http://0.0.0.0:5000/", osrm.profile = "driving")
:warning: You must be careful using the OSRM demo server:
Features
-
osrmTableGet travel time matrices between points. -
osrmRouteGet the shortest path between two points. -
osrmTripGet the travel geometry between multiple unordered points. -
osrmIsochroneGet polygons of isochrones.
Demo
osrmTable
library(osrm)
data("berlin")
# Travel time matrix
distA <- osrmTable(loc = apotheke.sf[1:5,])
distA$durations
```, 440338666, 538057637, 977657079, 3770254015, 364363337, :----------, ---------:, ---------:, ---------:, ----------:, ---------:, 440338666, 0.0, 24.2, 48.0, 26.9, 15.0, 538057637, 27.1, 0.0, 44.2, 16.4, 22.6, 977657079, 47.6, 41.7, 0.0, 35.0, 36.2, 3770254015, 28.7, 16.9, 34.6, 0.0, 17.0, 364363337, 15.4, 20.7, 34.4, 15.9, 0.0, ### `osrmRoute`
```r
library(osrm)
library(sf)
library(cartography)
data("berlin")
route <- osrmRoute(src = apotheke.sf[74,], dst = apotheke.sf[55,],
overview = "full", returnclass = "sf")
# Display the path
osm <- getTiles(x = route, crop = TRUE, type = "osm", zoom = 13)
tilesLayer(osm)
plot(st_geometry(route), lwd = 4, add = TRUE)
plot(st_geometry(route), lwd = 1, col = "white", add = TRUE)
plot(st_geometry(apotheke.sf[c(74,55),]), pch = 20, col = "red", add = TRUE)
osrmTrip
library(osrm)
library(sf)
library(cartography)
data("berlin")
# Get a trip with a SpatialPointsDataFrame
trips <- osrmTrip(loc = apotheke.sf[10:20,], returnclass="sf")
trip <- trips$trip
osm2 <- getTiles(x = trip, crop = TRUE, type = "cartolight", zoom = 11)
tilesLayer(x = osm2)
plot(st_geometry(trip), col = "black", lwd = 4, add = TRUE )
plot(st_geometry(trip), col = c("red", "white"), lwd = 1, add=TRUE)
plot(st_geometry(apotheke.sf[10:20,]), pch = 21, bg = "red", cex = 1.5, add=TRUE)
osrmIsochrone
library(osrm)
library(sf)
library(cartography)
data("berlin")
iso <- osrmIsochrone(loc = apotheke.sf[87,], returnclass="sf",
breaks = seq(from = 0, to = 14, by = 2), res = 50)
osm3 <- getTiles(x = iso, crop = FALSE, type = "osm", zoom = 12)
tilesLayer(x = osm3)
bks <- sort(c(unique(iso$min), max(iso$max)))
cols <- paste0(carto.pal("turquoise.pal", n1 = length(bks)-1), 80)
choroLayer(x = iso, var = "center", breaks = bks,
border = NA, col = cols,
legend.pos = "topleft",legend.frame = TRUE,
legend.title.txt = "Isochrones\n(min)",
add = TRUE)
plot(st_geometry(apotheke.sf[87,]), pch = 21, bg = "red",
cex = 1.5, add=TRUE)
Installation
- Development version on GitHub
remotes::install_github("rCarto/osrm")
- Stable version on CRAN
install.packages("osrm")
Community Guidelines
One can contribute to the package through pull requests and report issues or ask questions here.