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use real centroid when looking for near roads

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The point-on-surface may be at the corner in large objects, so
that roads are too far away.

Fixes #1389.
This commit is contained in:
Sarah Hoffmann 2019-06-10 18:23:12 +02:00
parent 2c21cbb5e6
commit e05e413cc4
1 changed files with 10 additions and 7 deletions
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17
sql/functions.sql
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@ -1162,6 +1162,7 @@ TRIGGER
DECLARE
place_centroid GEOMETRY;
near_centroid GEOMETRY;
search_maxdistance FLOAT[];
search_mindistance FLOAT[];
@ -1266,6 +1267,8 @@ BEGIN
-- Speed up searches - just use the centroid of the feature
-- cheaper but less acurate
place_centroid := ST_PointOnSurface(NEW.geometry);
-- For searching near features rather use the centroid
near_centroid := ST_Centroid(NEW.geometry);
NEW.centroid := null;
NEW.postcode := null;
--DEBUG: RAISE WARNING 'Computing preliminary centroid at %',ST_AsText(place_centroid);
@ -1396,7 +1399,7 @@ BEGIN
IF NEW.parent_place_id IS NULL AND addr_street IS NOT NULL THEN
address_street_word_ids := get_name_ids(make_standard_name(addr_street));
IF address_street_word_ids IS NOT NULL THEN
SELECT place_id from getNearestNamedRoadFeature(NEW.partition, place_centroid, address_street_word_ids) INTO NEW.parent_place_id;
SELECT place_id from getNearestNamedRoadFeature(NEW.partition, near_centroid, address_street_word_ids) INTO NEW.parent_place_id;
END IF;
END IF;
--DEBUG: RAISE WARNING 'Checked for addr:street (%)', NEW.parent_place_id;
@ -1404,7 +1407,7 @@ BEGIN
IF NEW.parent_place_id IS NULL AND addr_place IS NOT NULL THEN
address_street_word_ids := get_name_ids(make_standard_name(addr_place));
IF address_street_word_ids IS NOT NULL THEN
SELECT place_id from getNearestNamedPlaceFeature(NEW.partition, place_centroid, address_street_word_ids) INTO NEW.parent_place_id;
SELECT place_id from getNearestNamedPlaceFeature(NEW.partition, near_centroid, address_street_word_ids) INTO NEW.parent_place_id;
END IF;
END IF;
--DEBUG: RAISE WARNING 'Checked for addr:place (%)', NEW.parent_place_id;
@ -1439,7 +1442,7 @@ BEGIN
IF location.address ? 'street' THEN
address_street_word_ids := get_name_ids(make_standard_name(location.address->'street'));
IF address_street_word_ids IS NOT NULL THEN
SELECT place_id from getNearestNamedRoadFeature(NEW.partition, place_centroid, address_street_word_ids) INTO NEW.parent_place_id;
SELECT place_id from getNearestNamedRoadFeature(NEW.partition, near_centroid, address_street_word_ids) INTO NEW.parent_place_id;
EXIT WHEN NEW.parent_place_id is not NULL;
END IF;
END IF;
@ -1448,7 +1451,7 @@ BEGIN
IF location.address ? 'place' THEN
address_street_word_ids := get_name_ids(make_standard_name(location.address->'place'));
IF address_street_word_ids IS NOT NULL THEN
SELECT place_id from getNearestNamedPlaceFeature(NEW.partition, place_centroid, address_street_word_ids) INTO NEW.parent_place_id;
SELECT place_id from getNearestNamedPlaceFeature(NEW.partition, near_centroid, address_street_word_ids) INTO NEW.parent_place_id;
EXIT WHEN NEW.parent_place_id is not NULL;
END IF;
END IF;
@ -1477,7 +1480,7 @@ BEGIN
-- Still nothing, just use the nearest road
IF NEW.parent_place_id IS NULL THEN
SELECT place_id FROM getNearestRoadFeature(NEW.partition, place_centroid) INTO NEW.parent_place_id;
SELECT place_id FROM getNearestRoadFeature(NEW.partition, near_centroid) INTO NEW.parent_place_id;
END IF;
--DEBUG: RAISE WARNING 'Checked for nearest way (%)', NEW.parent_place_id;
@ -1500,7 +1503,7 @@ BEGIN
NEW.postcode := location.postcode;
END IF;
IF NEW.postcode is null THEN
NEW.postcode := get_nearest_postcode(NEW.country_code, place_centroid);
NEW.postcode := get_nearest_postcode(NEW.country_code, near_centroid);
END IF;
END IF;
@ -1770,7 +1773,7 @@ BEGIN
CASE WHEN NEW.rank_search >= 26
AND NEW.rank_search < 30
THEN NEW.geometry
ELSE place_centroid END,
ELSE near_centroid END,
search_maxrank, isin_tokens)
LOOP
IF location.rank_address != location_rank_search THEN