ggmap (version 3.0.0)

mapdist: Compute map distances using Google

Description

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.

Usage

mapdist(from, to, mode = c("driving", "walking", "bicycling", "transit"),
  output = c("simple", "all"), urlonly = FALSE,
  override_limit = FALSE, ext = "com", inject = "", ...)
distQueryCheck()

Value

a data frame (output="simple") or all of the geocoded information (output="all")

Arguments

from

name of origin addresses in a data frame (vector accepted)

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

domain extension (e.g. "com", "co.nz")

inject

character string to add to the url

...

...

Author

David Kahle

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.

See Also

http://code.google.com/apis/maps/documentation/distancematrix/, https://developers.google.com/maps/documentation/distance-matrix/intro