box2d_to_lwgeom box3d_to_lwgeom geography_valid_type GEOS2POSTGIS gserialized_3Ddistance gserialized_3Dintersects gserialized_array_union gserialized_as_ewkb gserialized_as_ewkt gserialized_as_geojson gserialized_as_hexewkb gserialized_as_text gserialized_azimuth gserialized_boundary gserialized_distance gserialized_dwithin gserialized_dwithin3d gserialized_from_ewkb gserialized_from_geojson gserialized_from_hexewkb gserialized_from_text gserialized_geog_distance gserialized_geog_dwithin gserialized_geog_from_geom gserialized_geog_in gserialized_geog_length gserialized_geog_out gserialized_geography_from_lwgeom gserialized_geom_from_geog gserialized_in gserialized_inter_contains gserialized_intersection gserialized_is_point gserialized_is_poly gserialized_line_interpolate_point gserialized_line_locate_point gserialized_line_substring gserialized_numpoints_linestring gserialized_out gserialized_pointn_linestring gserialized_relate_pattern gserialized_reverse gserialized_shortestline2d gserialized_shortestline3d gserialized_touches lwgeom_line_interpolate_point MOBDB_call_geos MOBDB_point_in_polygon PG_PARSER_ERROR PGIS_FP_TOLERANCE pgis_geography_from_binary pgis_gserialized_same pgis_lwgeom_boundary point_in_multipolygon point_in_polygon POSTGIS2GEOS postgis_valid_typmod srid_check_latlong

gserialized_geog_dwithin() bool gserialized_geog_dwithin ( GSERIALIZED *  g1, GSERIALIZED *  g2, double  tolerance, bool  use_spheroid  ) Return true if the geographies are within the given distance. Note PostGIS function: geography_dwithin_uncached(PG_FUNCTION_ARGS) where we use the WGS84 spheroid