X-Git-Url: https://git.openstreetmap.org./nominatim.git/blobdiff_plain/6625e93be673a2b400a466f2f024d97716f8da72..77e287f66918296b9461470a7846e22ec1f36a08:/sql/functions/utils.sql diff --git a/sql/functions/utils.sql b/sql/functions/utils.sql index 9f8d3988..0a49eef5 100644 --- a/sql/functions/utils.sql +++ b/sql/functions/utils.sql @@ -272,21 +272,27 @@ END; $$ LANGUAGE plpgsql; -CREATE OR REPLACE FUNCTION near_feature_rank_distance(rank_search INTEGER) - RETURNS FLOAT +-- Create a bounding box with an extent computed from the radius (in meters) +-- which in turn is derived from the given search rank. +CREATE OR REPLACE FUNCTION place_node_fuzzy_area(geom GEOMETRY, rank_search INTEGER) + RETURNS GEOMETRY AS $$ +DECLARE + radius FLOAT := 500; BEGIN IF rank_search <= 16 THEN -- city - RETURN 7500; + radius := 15000; ELSIF rank_search <= 18 THEN -- town - RETURN 4000; + radius := 4000; ELSIF rank_search <= 19 THEN -- village - RETURN 2000; + radius := 2000; ELSIF rank_search <= 20 THEN -- hamlet - RETURN 1000; + radius := 1000; END IF; - RETURN 500; + RETURN ST_Envelope(ST_Collect( + ST_Project(geom, radius, 0.785398)::geometry, + ST_Project(geom, radius, 3.9269908)::geometry)); END; $$ LANGUAGE plpgsql IMMUTABLE; @@ -295,13 +301,12 @@ LANGUAGE plpgsql IMMUTABLE; CREATE OR REPLACE FUNCTION add_location(place_id BIGINT, country_code varchar(2), partition INTEGER, keywords INTEGER[], rank_search INTEGER, rank_address INTEGER, - in_postcode TEXT, geometry GEOMETRY) + in_postcode TEXT, geometry GEOMETRY, + centroid GEOMETRY) RETURNS BOOLEAN AS $$ DECLARE locationid INTEGER; - centroid GEOMETRY; - radius FLOAT; secgeo GEOMETRY; postcode TEXT; BEGIN @@ -314,21 +319,13 @@ BEGIN END IF; IF ST_GeometryType(geometry) in ('ST_Polygon','ST_MultiPolygon') THEN - centroid := ST_Centroid(geometry); - FOR secgeo IN select split_geometry(geometry) AS geom LOOP PERFORM insertLocationAreaLarge(partition, place_id, country_code, keywords, rank_search, rank_address, false, postcode, centroid, secgeo); END LOOP; ELSEIF ST_GeometryType(geometry) = 'ST_Point' THEN - radius := near_feature_rank_distance(rank_search); - --DEBUG: RAISE WARNING 'adding % radius %', place_id, radius; - - -- Create a bounding box with an extent computed from the radius (in meters). - secgeo := ST_Envelope(ST_Collect( - ST_Project(geometry, radius, 0.785398)::geometry, - ST_Project(geometry, radius, 3.9269908)::geometry)); - PERFORM insertLocationAreaLarge(partition, place_id, country_code, keywords, rank_search, rank_address, true, postcode, geometry, secgeo); + secgeo := place_node_fuzzy_area(geometry, rank_search); + PERFORM insertLocationAreaLarge(partition, place_id, country_code, keywords, rank_search, rank_address, true, postcode, centroid, secgeo); END IF;