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'osrmr' is a wrapper around the OSRM API (https://github.com/Project-OSRM/osrm-backend/blob/master/docs/http.md). 'osrmr' works with API versions 4 and 5 and can handle servers that run locally as well as the osrm webserver.
You can install 'osrmr' from CRAN
or github
with:
install.packages("osrmr")
# install.packages("devtools")
devtools::install_github("ims-fhs/osrmr")
Access the OSRM with R using the onlinehost (webserver) of OSRM to:
nearest()
viaroute()
decode_geom()
library(osrmr)
nearest(lat = 47, lng = 8, api_version = 5, localhost = FALSE)
#> lat lng
#> 1 47.00008 8.003016
viaroute(lat1 = 47.1, lng1 = 8.1, lat2 = 46.9, lng2 = 8.3, instructions = FALSE,
api_version = 5, localhost = FALSE)
#> [1] 2637.1
encoded_polyline_precision_5 <- rjson::fromJSON(file = "http://router.project-osrm.org/route/v1/driving/8.0997,47.1002;8.101110,47.10430?steps=false&geometries=polyline")$routes[[1]]$geometry
decode_geom(encoded_polyline_precision_5, precision = 5)
#> lat lng
#> 1 47.10020 8.09970
#> 2 47.10099 8.09952
#> 3 47.10161 8.10037
#> 4 47.10171 8.10066
#> 5 47.10215 8.10083
#> 6 47.10234 8.10098
#> 7 47.10287 8.10123
#> 8 47.10322 8.10125
#> 9 47.10430 8.10110
For more detailed Information about the components of the 'osrmr' package, check out the vignette.
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