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adapt distance heuristics for nodes

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Include only those nodes that are closer than 1.5 times the distance
of the closest feature of the same address rank.
This commit is contained in:
Sarah Hoffmann 2012-07-21 00:41:18 +02:00
parent afc429fd92
commit 21b0bac4e7
1 changed files with 8 additions and 8 deletions
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16
sql/functions.sql
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@ -1629,7 +1629,7 @@ BEGIN
-- RAISE WARNING 'ISIN: %', isin_tokens;
-- Process area matches
location_rank_search := 100;
location_rank_search := 0;
location_distance := 0;
location_parent := NULL;
-- RAISE WARNING ' getNearFeatures(%,''%'',%,''%'')',NEW.partition, place_centroid, search_maxrank, isin_tokens;
@ -1637,9 +1637,9 @@ BEGIN
--RAISE WARNING ' AREA: %',location;
IF location.rank_search < location_rank_search THEN
location_rank_search := location.rank_search;
location_distance := location.distance * 0.5;
IF location.rank_address != location_rank_search THEN
location_rank_search := location.rank_address;
location_distance := location.distance * 1.5;
END IF;
IF location.distance < location_distance OR NOT location.isguess THEN
@ -1698,14 +1698,14 @@ BEGIN
-- for long ways we should add search terms for the entire length
IF st_length(NEW.geometry) > 0.05 THEN
location_rank_search := 100;
location_rank_search := 0;
location_distance := 0;
FOR location IN SELECT * from getNearFeatures(NEW.partition, NEW.geometry, search_maxrank, isin_tokens) LOOP
IF location.rank_search < location_rank_search THEN
location_rank_search := location.rank_search;
location_distance := location.distance * 0.5;
IF location.rank_address != location_rank_search THEN
location_rank_search := location.rank_address;
location_distance := location.distance * 1.5;
END IF;
IF location.distance < location_distance THEN