LANGUAGE plpgsql IMMUTABLE;
-
-CREATE OR REPLACE FUNCTION reverse_place_diameter(rank_search SMALLINT)
- RETURNS FLOAT
- AS $$
-BEGIN
- IF rank_search <= 4 THEN
- RETURN 5.0;
- ELSIF rank_search <= 8 THEN
- RETURN 1.8;
- ELSIF rank_search <= 12 THEN
- RETURN 0.6;
- ELSIF rank_search <= 17 THEN
- RETURN 0.16;
- ELSIF rank_search <= 18 THEN
- RETURN 0.08;
- ELSIF rank_search <= 19 THEN
- RETURN 0.04;
- END IF;
-
- RETURN 0.02;
-END;
-$$
-LANGUAGE plpgsql IMMUTABLE;
-
-
-CREATE OR REPLACE FUNCTION get_postcode_rank(country_code VARCHAR(2), postcode TEXT,
- OUT rank_search SMALLINT,
- OUT rank_address SMALLINT)
-AS $$
-DECLARE
- part TEXT;
-BEGIN
- rank_search := 30;
- rank_address := 30;
- postcode := upper(postcode);
-
- IF country_code = 'gb' THEN
- IF postcode ~ '^([A-Z][A-Z]?[0-9][0-9A-Z]? [0-9][A-Z][A-Z])$' THEN
- rank_search := 25;
- rank_address := 5;
- ELSEIF postcode ~ '^([A-Z][A-Z]?[0-9][0-9A-Z]? [0-9])$' THEN
- rank_search := 23;
- rank_address := 5;
- ELSEIF postcode ~ '^([A-Z][A-Z]?[0-9][0-9A-Z])$' THEN
- rank_search := 21;
- rank_address := 5;
- END IF;
-
- ELSEIF country_code = 'sg' THEN
- IF postcode ~ '^([0-9]{6})$' THEN
- rank_search := 25;
- rank_address := 11;
- END IF;
-
- ELSEIF country_code = 'de' THEN
- IF postcode ~ '^([0-9]{5})$' THEN
- rank_search := 21;
- rank_address := 11;
- END IF;
-
- ELSE
- -- Guess at the postcode format and coverage (!)
- IF postcode ~ '^[A-Z0-9]{1,5}$' THEN -- Probably too short to be very local
- rank_search := 21;
- rank_address := 11;
- ELSE
- -- Does it look splitable into and area and local code?
- part := substring(postcode from '^([- :A-Z0-9]+)([- :][A-Z0-9]+)$');
-
- IF part IS NOT NULL THEN
- rank_search := 25;
- rank_address := 11;
- ELSEIF postcode ~ '^[- :A-Z0-9]{6,}$' THEN
- rank_search := 21;
- rank_address := 11;
- END IF;
- END IF;
- END IF;
-
-END;
-$$
-LANGUAGE plpgsql IMMUTABLE;
-
-
-- Find the nearest artificial postcode for the given geometry.
-- TODO For areas there should not be more than two inside the geometry.
CREATE OR REPLACE FUNCTION get_nearest_postcode(country VARCHAR(2), geom GEOMETRY)
$$
LANGUAGE plpgsql;
+CREATE OR REPLACE FUNCTION near_feature_rank_distance(rank_search INTEGER)
+ RETURNS FLOAT
+ AS $$
+BEGIN
+ IF rank_search <= 16 THEN -- city
+ RETURN 7500;
+ ELSIF rank_search <= 18 THEN -- town
+ RETURN 4000;
+ ELSIF rank_search <= 19 THEN -- village
+ RETURN 2000;
+ ELSIF rank_search <= 20 THEN -- hamlet
+ RETURN 1000;
+ END IF;
+
+ RETURN 500;
+END;
+$$
+LANGUAGE plpgsql IMMUTABLE;
+
CREATE OR REPLACE FUNCTION add_location(place_id BIGINT, country_code varchar(2),
partition INTEGER, keywords INTEGER[],
DECLARE
locationid INTEGER;
centroid GEOMETRY;
- diameter FLOAT;
- x BOOLEAN;
- splitGeom RECORD;
+ radius FLOAT;
secgeo GEOMETRY;
postcode TEXT;
BEGIN
-
- IF rank_search > 25 THEN
- RAISE EXCEPTION 'Adding location with rank > 25 (% rank %)', place_id, rank_search;
- END IF;
-
- x := deleteLocationArea(partition, place_id, rank_search);
+ PERFORM deleteLocationArea(partition, place_id, rank_search);
-- add postcode only if it contains a single entry, i.e. ignore postcode lists
postcode := NULL;
centroid := ST_Centroid(geometry);
FOR secgeo IN select split_geometry(geometry) AS geom LOOP
- x := insertLocationAreaLarge(partition, place_id, country_code, keywords, rank_search, rank_address, false, postcode, centroid, secgeo);
+ PERFORM insertLocationAreaLarge(partition, place_id, country_code, keywords, rank_search, rank_address, false, postcode, centroid, secgeo);
END LOOP;
- ELSE
-
- diameter := 0.02;
- IF rank_address = 0 THEN
- diameter := 0.02;
- ELSEIF rank_search <= 14 THEN
- diameter := 1.2;
- ELSEIF rank_search <= 15 THEN
- diameter := 1;
- ELSEIF rank_search <= 16 THEN
- diameter := 0.5;
- ELSEIF rank_search <= 17 THEN
- diameter := 0.2;
- ELSEIF rank_search <= 21 THEN
- diameter := 0.05;
- ELSEIF rank_search = 25 THEN
- diameter := 0.005;
- END IF;
+ ELSEIF ST_GeometryType(geometry) = 'ST_Point' THEN
+ radius := near_feature_rank_distance(rank_search);
+ --DEBUG: RAISE WARNING 'adding % diameter %', place_id, diameter;
--- RAISE WARNING 'adding % diameter %', place_id, diameter;
-
- secgeo := ST_Buffer(geometry, diameter);
- x := insertLocationAreaLarge(partition, place_id, country_code, keywords, rank_search, rank_address, true, postcode, ST_Centroid(geometry), secgeo);
+ -- 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);
END IF;
placegeom GEOMETRY;
geom GEOMETRY;
diameter FLOAT;
- rank INTEGER;
+ rank SMALLINT;
BEGIN
UPDATE placex SET indexed_status = 2 WHERE place_id = placeid;
SELECT geometry, rank_search FROM placex WHERE place_id = placeid INTO placegeom, rank;
AND rank_search > rank and indexed_status = 0 and ST_geometrytype(placex.geometry) != 'ST_Point' and (rank_search < 28 or name is not null or (rank >= 16 and address ? 'place'));
END LOOP;
ELSE
- diameter := 0;
- IF rank = 11 THEN
- diameter := 0.05;
- ELSEIF rank < 18 THEN
- diameter := 0.1;
- ELSEIF rank < 20 THEN
- diameter := 0.05;
- ELSEIF rank = 21 THEN
- diameter := 0.001;
- ELSEIF rank < 24 THEN
- diameter := 0.02;
- ELSEIF rank < 26 THEN
- diameter := 0.002; -- 100 to 200 meters
- ELSEIF rank < 28 THEN
- diameter := 0.001; -- 50 to 100 meters
- END IF;
+ diameter := update_place_diameter(rank);
IF diameter > 0 THEN
IF rank >= 26 THEN
-- roads may cause reparenting for >27 rank places
projects / nominatim.git / blobdiff