Compute map distances using Google's Distance Matrix API. Note: To use
Google's Distance Matrix API, you must first enable the API in the Google
Cloud Platform Console. See register_google()
.
Arguments
- from
name of origin addresses in a data frame (vector accepted), or a data frame with from and to columns
- to
name of destination addresses in a data frame (vector accepted)
- mode
driving, bicycling, walking, or transit
- output
amount of output
- urlonly
return only the url?
- override_limit
override the current query count (.google_distance_query_times)
- ext
top level domain domain extension (e.g. "com", "co.nz")
- inject
character string to add to the url
- ...
...
Details
if parameters from and to are specified as geographic coordinates, they are reverse geocoded with revgeocode. note that the google maps api limits to 2500 element queries a day.
Author
David Kahle david@kahle.io