datum_geog_disjoint datum_geog_dwithin datum_geog_intersects datum_geom_contains datum_geom_covers datum_geom_disjoint2d datum_geom_disjoint3d datum_geom_dwithin2d datum_geom_dwithin3d datum_geom_intersects2d datum_geom_intersects3d datum_geom_relate_pattern datum_geom_touches ea_contains_geo_tgeo ea_contains_tgeo_geo ea_contains_tgeo_tgeo ea_covers_geo_tgeo ea_covers_tgeo_geo ea_covers_tgeo_tgeo ea_disjoint_geo_tgeo ea_disjoint_tgeo_geo ea_disjoint_tgeo_tgeo ea_dwithin_tgeo_geo ea_dwithin_tgeo_tgeo ea_intersects_geo_tgeo ea_intersects_tgeo_geo ea_intersects_tgeo_tgeo ea_spatialrel_tspatial_geo ea_spatialrel_tspatial_tspatial ea_touches_tgeo_geo ea_touches_tgeo_tgeo ea_touches_tpoint_geo geo_disjoint_fn geo_disjoint_fn_geo geo_dwithin_fn geo_dwithin_fn_geo geo_intersects_fn geo_intersects_fn_geo INVERT_RESULT spatialrel_geo_geo spatialrel_tgeo_tgeo tpointsegm_tdwithin_turnpt

datum_geog_dwithin() Datum datum_geog_dwithin ( Datum  geog1, Datum  geog2, Datum  dist  ) Return a Datum true if two geographies are within a distance.