This function converts an Ordnance Survey (OS) grid reference to easting/northing or latitude/longitude coordinates.
Usage
osg_parse(grid_refs, coord_system = c("BNG", "WGS84"))Arguments
- grid_refs
This is a string (or a character vector) that contains the OS grid Reference.
- coord_system
By default, this is "BNG" which stands for British National Grids. The other option is to set coord_system = "WGS84", which returns latitude/longitude coordinates (more info can be found here https://www.epsg-registry.org/).
Value
vector made of two elements: the easting and northing (by default) or latitude and longitude coordinates.
Details
This function is taken from the rnrfa package and licenced under GPL-3. Using this avoids direct dependency on rgdal package.
Examples
if (FALSE) {
# single entry
osg_parse(grid_refs = "TQ722213")
# multiple entries
osg_parse(grid_refs = c("SN831869", "SN829838"))
}
# Begin Exclude Linting