sgo-package             sgo: Simple Geographical Operations (with
                        OSGB36).
sgo_area                Calculate area from an ordered set of points
sgo_bng_lonlat          British National Grid (BNG) Easting/Northing to
                        Geodetic Coordinate System (GCS)
sgo_bng_ngr             BNG Easting/Northing to National Grid
                        References (NGR)
sgo_cart_lonlat         Geodetic Coordinate System (GCS) in cartesian
                        coordinates to polar coordinates
sgo_coordinates         Extracts coordinates from an 'sgo_points'
                        object
sgo_distance            Calculate distance(s) between points
sgo_en_wgs84            Pseudo - Mercator to WGS84 Longitude/Latitude
sgo_etrs_laea           ETRS89 to ETRS89-LAEA Easting/Northing
sgo_laea_etrs           ETRS89-LAEA Easting/Northing to ETRS89 geodetic
                        coordinates
sgo_lonlat_bng          GCS to BNG Easting/Northing
sgo_lonlat_cart         Geodetic Coordinate System (GCS) in polar
                        coordinates to cartesian coordinates
sgo_ngr_bng             NGR to BNG Easting/Northing
sgo_points              Object containing 2D or 3D point coordinates
sgo_set_gcs             Set GCS of a set of points
sgo_transform           Coordinate transformation of a set of points
sgo_wgs84_en            WGS84 to Easting Northing (Pseudo - Mercator)
