googleway

CRAN Release

Development Version

Functions to retrieve routes from Google Maps Directions API, and to decode the polylines received from the API call.

There are significnat changes coming in the next release. See News for latest updates and details on the development version.

get_route() retrieves route information from Google Maps.

decode_pl() decodes polyilnes that are generated from the API call.

Examples

get_route

## return data.frame of route
df <- get_route(origin = "Flinders Street Station, Melbourne",
                destination = "MCG, Melbourne",
                mode = "driving",
                key = "<valid_api_key>",
                output_format = "data.frame")
                
## return JSON of route
js <- get_route(origin = "Flinders Street Station, Melbourne",
                destination = "MCG, Melbourne",
                mode = "driving",
                key = "<valid_api_key>",
                output_format = "JSON")

## polyline joining the capital cities of Australian states
pl <- "nnseFmpzsZgalNytrXetrG}krKsaif@kivIccvzAvvqfClp~uBlymzA~ocQ}_}iCthxo@srst@"
    
df_polyline <- decodepl(pl)
df_polyline
#         lat      lon
# 1 -37.78808 144.9756
# 2 -35.26356 149.1724
# 3 -33.85217 151.2378
# 4 -27.41079 152.9956
# 5 -12.38293 130.7812
# 6 -31.87756 115.7959
# 7 -34.84988 138.5596
# 8 -42.84375 147.3486

Installation

## install release version from CRAN
install.packages("googleway")

## install development version via github
devtools::install_github("SymbolixAU/googleway")