Coverts latitude and longitude to a grid reference and/or easting and northing.
Arguments
- latitude
a vector of numerics giving latitudes
- longitude
a vector of numerics giving longitudes
- out_projection
a string giving the desired output projection, either
"OSGB"
or"OSNI"
. Defaults to"OSGB"
.- return_type
a string defining what information the funtion should return. If
"both"
(default), grid reference and easting/northing are returned. If"en"
, only easting and northing are returned. Ifgr
, only grid reference is returned