-- Functions for address interpolation objects in location_property_osmline.
--- Splits the line at the given point and returns the two parts
--- in a multilinestring.
-CREATE OR REPLACE FUNCTION split_line_on_node(line GEOMETRY, point GEOMETRY)
-RETURNS GEOMETRY
- AS $$
-BEGIN
- RETURN ST_Split(ST_Snap(line, point, 0.0005), point);
-END;
-$$
-LANGUAGE plpgsql IMMUTABLE;
-
CREATE OR REPLACE FUNCTION get_interpolation_address(in_address HSTORE, wayid BIGINT)
RETURNS HSTORE
IF NEW.indexed_status IS NULL THEN
IF NEW.address is NULL OR NOT NEW.address ? 'interpolation'
- OR NEW.address->'interpolation' NOT IN ('odd', 'even', 'all') THEN
- -- other interpolation types than odd/even/all (e.g. numeric ones) are not supported
+ OR NOT (NEW.address->'interpolation' in ('odd', 'even', 'all')
+ or NEW.address->'interpolation' similar to '[1-9]')
+ THEN
+ -- alphabetic interpolation is not supported
RETURN NULL;
END IF;
RETURNS TRIGGER
AS $$
DECLARE
- place_centroid GEOMETRY;
waynodes BIGINT[];
prevnode RECORD;
nextnode RECORD;
startnumber INTEGER;
endnumber INTEGER;
- housenum INTEGER;
+ newstart INTEGER;
+ newend INTEGER;
+ moddiff SMALLINT;
linegeo GEOMETRY;
splitline GEOMETRY;
sectiongeo GEOMETRY;
interpol_postcode TEXT;
postcode TEXT;
+ stepmod SMALLINT;
BEGIN
-- deferred delete
IF OLD.indexed_status = 100 THEN
RETURN NEW;
END IF;
- NEW.interpolationtype = NEW.address->'interpolation';
-
- place_centroid := ST_PointOnSurface(NEW.linegeo);
- NEW.parent_place_id = get_interpolation_parent(NEW.token_info, NEW.partition,
- place_centroid, NEW.linegeo);
+ NEW.parent_place_id := get_interpolation_parent(NEW.token_info, NEW.partition,
+ ST_PointOnSurface(NEW.linegeo),
+ NEW.linegeo);
interpol_postcode := token_normalized_postcode(NEW.address->'postcode');
NEW.token_info := token_strip_info(NEW.token_info);
IF NEW.address ? '_inherited' THEN
- NEW.address := hstore('interpolation', NEW.interpolationtype);
+ NEW.address := hstore('interpolation', NEW.address->'interpolation');
END IF;
- -- if the line was newly inserted, split the line as necessary
+ -- If the line was newly inserted, split the line as necessary.
IF OLD.indexed_status = 1 THEN
- select nodes from planet_osm_ways where id = NEW.osm_id INTO waynodes;
+ IF NEW.address->'interpolation' in ('odd', 'even') THEN
+ NEW.step := 2;
+ stepmod := CASE WHEN NEW.address->'interpolation' = 'odd' THEN 1 ELSE 0 END;
+ ELSE
+ NEW.step := CASE WHEN NEW.address->'interpolation' = 'all'
+ THEN 1
+ ELSE (NEW.address->'interpolation')::SMALLINT END;
+ stepmod := NULL;
+ END IF;
+
+ SELECT nodes INTO waynodes
+ FROM planet_osm_ways WHERE id = NEW.osm_id;
- IF array_upper(waynodes, 1) IS NULL THEN
- RETURN NEW;
+ IF array_upper(waynodes, 1) IS NULL THEN
+ RETURN NEW;
+ END IF;
+
+ linegeo := null;
+ SELECT null::integer as hnr INTO prevnode;
+
+ -- Go through all nodes on the interpolation line that have a housenumber.
+ FOR nextnode IN
+ SELECT DISTINCT ON (nodeidpos)
+ osm_id, address, geometry,
+ substring(address->'housenumber','[0-9]+')::integer as hnr
+ FROM placex, generate_series(1, array_upper(waynodes, 1)) nodeidpos
+ WHERE osm_type = 'N' and osm_id = waynodes[nodeidpos]::BIGINT
+ and address is not NULL and address ? 'housenumber'
+ ORDER BY nodeidpos
+ LOOP
+ RAISE WARNING 'processing point % (%)', nextnode.hnr, ST_AsText(nextnode.geometry);
+ IF linegeo is null THEN
+ linegeo := NEW.linegeo;
+ ELSE
+ splitline := ST_Split(ST_Snap(linegeo, nextnode.geometry, 0.0005), nextnode.geometry);
+ sectiongeo := ST_GeometryN(splitline, 1);
+ linegeo := ST_GeometryN(splitline, 2);
END IF;
- linegeo := NEW.linegeo;
- startnumber := NULL;
-
- FOR nodeidpos in 1..array_upper(waynodes, 1) LOOP
-
- select osm_id, address, geometry
- from place where osm_type = 'N' and osm_id = waynodes[nodeidpos]::BIGINT
- and address is not NULL and address ? 'housenumber' limit 1 INTO nextnode;
- --RAISE NOTICE 'Nextnode.place_id: %s', nextnode.place_id;
- IF nextnode.osm_id IS NOT NULL THEN
- --RAISE NOTICE 'place_id is not null';
- IF nodeidpos > 1 and nodeidpos < array_upper(waynodes, 1) THEN
- -- Make sure that the point is actually on the line. That might
- -- be a bit paranoid but ensures that the algorithm still works
- -- should osm2pgsql attempt to repair geometries.
- splitline := split_line_on_node(linegeo, nextnode.geometry);
- sectiongeo := ST_GeometryN(splitline, 1);
- linegeo := ST_GeometryN(splitline, 2);
+ IF prevnode.hnr is not null
+ -- Check if there are housenumbers to interpolate between the
+ -- regularly mapped housenumbers.
+ -- (Conveniently also fails if one of the house numbers is not a number.)
+ and abs(prevnode.hnr - nextnode.hnr) > NEW.step
+ THEN
+ IF prevnode.hnr < nextnode.hnr THEN
+ startnumber := prevnode.hnr;
+ endnumber := nextnode.hnr;
+ ELSE
+ startnumber := nextnode.hnr;
+ endnumber := prevnode.hnr;
+ sectiongeo := ST_Reverse(sectiongeo);
+ END IF;
+
+ -- Adjust the interpolation, so that only inner housenumbers
+ -- are taken into account.
+ IF stepmod is null THEN
+ newstart := startnumber + NEW.step;
+ ELSE
+ newstart := startnumber + 1;
+ moddiff := newstart % NEW.step - stepmod;
+ IF moddiff < 0 THEN
+ newstart := newstart + (NEW.step + moddiff);
ELSE
- sectiongeo = linegeo;
- END IF;
- endnumber := substring(nextnode.address->'housenumber','[0-9]+')::integer;
-
- IF startnumber IS NOT NULL AND endnumber IS NOT NULL
- AND startnumber != endnumber
- AND ST_GeometryType(sectiongeo) = 'ST_LineString' THEN
-
- IF (startnumber > endnumber) THEN
- housenum := endnumber;
- endnumber := startnumber;
- startnumber := housenum;
- sectiongeo := ST_Reverse(sectiongeo);
- END IF;
-
- -- determine postcode
- postcode := coalesce(interpol_postcode,
- token_normalized_postcode(prevnode.address->'postcode'),
- token_normalized_postcode(nextnode.address->'postcode'),
- postcode);
-
- IF postcode is NULL THEN
- SELECT token_normalized_postcode(placex.postcode)
- FROM placex WHERE place_id = NEW.parent_place_id INTO postcode;
- END IF;
- IF postcode is NULL THEN
- postcode := get_nearest_postcode(NEW.country_code, nextnode.geometry);
- END IF;
-
- IF NEW.startnumber IS NULL THEN
- NEW.startnumber := startnumber;
- NEW.endnumber := endnumber;
- NEW.linegeo := sectiongeo;
- NEW.postcode := postcode;
- ELSE
- insert into location_property_osmline
- (linegeo, partition, osm_id, parent_place_id,
- startnumber, endnumber, interpolationtype,
- address, postcode, country_code,
- geometry_sector, indexed_status)
- values (sectiongeo, NEW.partition, NEW.osm_id, NEW.parent_place_id,
- startnumber, endnumber, NEW.interpolationtype,
- NEW.address, postcode,
- NEW.country_code, NEW.geometry_sector, 0);
- END IF;
+ newstart := newstart + moddiff;
END IF;
+ END IF;
+ newend := newstart + ((endnumber - 1 - newstart) / NEW.step) * NEW.step;
+
+ -- If newstart and newend are the same, then this returns a point.
+ sectiongeo := ST_LineSubstring(sectiongeo,
+ (newstart - startnumber)::float / (endnumber - startnumber)::float,
+ (newend - startnumber)::float / (endnumber - startnumber)::float);
+ startnumber := newstart;
+ endnumber := newend;
+
+ -- determine postcode
+ postcode := coalesce(interpol_postcode,
+ token_normalized_postcode(prevnode.address->'postcode'),
+ token_normalized_postcode(nextnode.address->'postcode'),
+ postcode);
+ IF postcode is NULL THEN
+ SELECT token_normalized_postcode(placex.postcode)
+ FROM placex WHERE place_id = NEW.parent_place_id INTO postcode;
+ END IF;
+ IF postcode is NULL THEN
+ postcode := get_nearest_postcode(NEW.country_code, nextnode.geometry);
+ END IF;
- -- early break if we are out of line string,
- -- might happen when a line string loops back on itself
- IF ST_GeometryType(linegeo) != 'ST_LineString' THEN
- RETURN NEW;
- END IF;
+ -- Add the interpolation. If this is the first segment, just modify
+ -- the interpolation to be inserted, otherwise add an additional one
+ -- (marking it indexed already).
+ IF NEW.startnumber IS NULL THEN
+ NEW.startnumber := startnumber;
+ NEW.endnumber := endnumber;
+ NEW.linegeo := sectiongeo;
+ NEW.postcode := postcode;
+ ELSE
+ INSERT INTO location_property_osmline
+ (linegeo, partition, osm_id, parent_place_id,
+ startnumber, endnumber, step,
+ address, postcode, country_code,
+ geometry_sector, indexed_status)
+ VALUES (sectiongeo, NEW.partition, NEW.osm_id, NEW.parent_place_id,
+ startnumber, endnumber, NEW.step,
+ NEW.address, postcode,
+ NEW.country_code, NEW.geometry_sector, 0);
+ END IF;
- startnumber := substring(nextnode.address->'housenumber','[0-9]+')::integer;
- prevnode := nextnode;
+ -- early break if we are out of line string,
+ -- might happen when a line string loops back on itself
+ IF ST_GeometryType(linegeo) != 'ST_LineString' THEN
+ RETURN NEW;
END IF;
- END LOOP;
+ END IF;
+
+ prevnode := nextnode;
+ END LOOP;
END IF;
- -- marking descendants for reparenting is not needed, because there are
- -- actually no descendants for interpolation lines
RETURN NEW;
END;
$$
projects / nominatim.git / commitdiff