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Merge pull request #3799 from lonvia/reduce-coordinate-precision

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Reduce coordinate precision of centroids and interpolation lines
This commit is contained in:
Sarah Hoffmann
2025-07-30 14:50:36 +02:00
committed by GitHub
parent 64bb8c2a9c 242fcc6e4d
commit 47c0a101b9
5 changed files with 10 additions and 9 deletions
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5
lib-sql/functions/interpolation.sql
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@@ -309,7 +309,7 @@ BEGIN
IF NEW.startnumber IS NULL THEN IF NEW.startnumber IS NULL THEN
NEW.startnumber := startnumber; NEW.startnumber := startnumber;
NEW.endnumber := endnumber; NEW.endnumber := endnumber;
NEW.linegeo := sectiongeo; NEW.linegeo := ST_ReducePrecision(sectiongeo, 0.0000001);
NEW.postcode := postcode; NEW.postcode := postcode;
ELSE ELSE
INSERT INTO location_property_osmline INSERT INTO location_property_osmline
@@ -317,7 +317,8 @@ BEGIN
startnumber, endnumber, step, startnumber, endnumber, step,
address, postcode, country_code, address, postcode, country_code,
geometry_sector, indexed_status) geometry_sector, indexed_status)
VALUES (sectiongeo, NEW.partition, NEW.osm_id, NEW.parent_place_id, VALUES (ST_ReducePrecision(sectiongeo, 0.0000001),
NEW.partition, NEW.osm_id, NEW.parent_place_id,
startnumber, endnumber, NEW.step, startnumber, endnumber, NEW.step,
NEW.address, postcode, NEW.address, postcode,
NEW.country_code, NEW.geometry_sector, 0); NEW.country_code, NEW.geometry_sector, 0);

2
lib-sql/functions/placex_triggers.sql
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@@ -780,7 +780,7 @@ BEGIN
SELECT count(*)>0 FROM pg_tables WHERE tablename = classtable and schemaname = current_schema() INTO result; SELECT count(*)>0 FROM pg_tables WHERE tablename = classtable and schemaname = current_schema() INTO result;
IF result THEN IF result THEN
EXECUTE 'INSERT INTO ' || classtable::regclass || ' (place_id, centroid) VALUES ($1,$2)' EXECUTE 'INSERT INTO ' || classtable::regclass || ' (place_id, centroid) VALUES ($1,$2)'
USING NEW.place_id, ST_Centroid(NEW.geometry); USING NEW.place_id, NEW.centroid;
END IF; END IF;
{% endif %} -- not disable_diff_updates {% endif %} -- not disable_diff_updates

8
lib-sql/functions/utils.sql
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@@ -2,7 +2,7 @@
-- --
-- This file is part of Nominatim. (https://nominatim.org) -- This file is part of Nominatim. (https://nominatim.org)
-- --
-- Copyright (C) 2022 by the Nominatim developer community. -- Copyright (C) 2025 by the Nominatim developer community.
-- For a full list of authors see the git log. -- For a full list of authors see the git log.
-- Assorted helper functions for the triggers. -- Assorted helper functions for the triggers.
@@ -14,14 +14,14 @@ DECLARE
geom_type TEXT; geom_type TEXT;
BEGIN BEGIN
geom_type := ST_GeometryType(place); geom_type := ST_GeometryType(place);
IF geom_type = ' ST_Point' THEN IF geom_type = 'ST_Point' THEN
RETURN place; RETURN place;
END IF; END IF;
IF geom_type = 'ST_LineString' THEN IF geom_type = 'ST_LineString' THEN
RETURN ST_LineInterpolatePoint(place, 0.5); RETURN ST_ReducePrecision(ST_LineInterpolatePoint(place, 0.5), 0.0000001);
END IF; END IF;
RETURN ST_PointOnSurface(place); RETURN ST_ReducePrecision(ST_PointOnSurface(place), 0.0000001);
END; END;
$$ $$
LANGUAGE plpgsql IMMUTABLE PARALLEL SAFE; LANGUAGE plpgsql IMMUTABLE PARALLEL SAFE;

2
test/bdd/features/api/reverse/v1_json.feature
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@@ -104,7 +104,7 @@ Feature: Json output for Reverse API
| way | 1 | | way | 1 |
And the result contains And the result contains
| lon | lat | boundingbox!in_box | | lon | lat | boundingbox!in_box |
| 9.5705468 | 47.1185454 | 47.118494, 47.118596, 9.570495, 9.570597 | | 9.5705467 | 47.1185454 | 47.118494, 47.118596, 9.570495, 9.570597 |
And the result contains And the result contains
| display_name | | display_name |
| 1019, Grosssteg, Sücka, Triesenberg, Oberland, 9497, Liechtenstein | | 1019, Grosssteg, Sücka, Triesenberg, Oberland, 9497, Liechtenstein |

2
test/bdd/features/api/reverse/v1_xml.feature
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@@ -70,7 +70,7 @@ Feature: XML output for Reverse API
| way | 1 | 30 | 30 | | way | 1 | 30 | 30 |
And the result contains And the result contains
| lon | lat | boundingbox | | lon | lat | boundingbox |
| 9.5705468 | 47.1185454 | 47.1184954,47.1185954,9.5704968,9.5705968 | | 9.5705467 | 47.1185454 | 47.1184954,47.1185954,9.5704967,9.5705967 |
And the result contains And the result contains
| display_name | | display_name |
| 1019, Grosssteg, Sücka, Triesenberg, Oberland, 9497, Liechtenstein | | 1019, Grosssteg, Sücka, Triesenberg, Oberland, 9497, Liechtenstein |