
Takes up to 100 independent coordinates and returns the closest road segment for each point. The points passed do not need to be part of a continuous path.
google_nearestRoads(df_points, lat = NULL, lon = NULL, simplify = TRUE,
curl_proxy = NULL, key = get_api_key("roads"))
data.frame
with at least two columns specifying the latitude & longitude coordinates,
with a maximum of 100 pairs of coordinates.
string specifying the column of df_path
containing the
'latitude' coordinates. If left NULL, a best-guess will be made
string specifying the column of df_path
containing the
'longitude' coordinates. If left NULL, a best-guess will be made
logical
- TRUE indicates the returned JSON will be
coerced into a list. FALSE indicates the returend JSON will be returned as a string
a curl proxy object
string
A valid Google Developers Places API key
# NOT RUN {
key <- 'your_api_key'
df_points <- read.table(text = "lat lon
60.1707 24.9426
60.1708 24.9424
60.1709 24.9423", header = T)
google_nearestRoads(df_points, key = key)
# }
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