Get the elevation in meters for a given latitude and longitude. Latitude/longitude must be in degrees with a geographic projection.

Usage

get_elev_from_point(lat, lon)

Arguments

lat

The latitude to extract elevation for. Can either be a floating point value or a vector of latitudes.

lon

The longitude to extract elevation for. Can either be a floating point value or a vector of latitudes.

Value

A numeric giving the elevation in meters for the input lat(s) and lon(s).

Examples

if (FALSE) {
xs <- c(-113.994, -111.032)
ys <- c(46.8721, 45.6815)

# Get elevation of Missoula and Bozeman.
elev <- get_elev_from_point(ys, xs)
}