edwithin_tpoint_tpoint1 espatialrel_tpoint_tpoint geog_disjoint geog_dwithin geog_intersects geom_contains geom_disjoint2d geom_disjoint3d geom_dwithin2d geom_dwithin3d geom_intersects2d geom_intersects3d geom_touches get_dwithin_fn

geom_dwithin2d() Datum geom_dwithin2d ( Datum  geom1, Datum  geom2, Datum  dist  ) Call the PostGIS function ST_DWithin with the 3 arguments.