hans/Nominatim
1
0
Fork 1
mirror of https://github.com/osm-search/Nominatim.git synced 2026-02-15 19:07:58 +00:00
Code Issues Packages Projects Releases Wiki Activity

fix address interpolation for self-intersecting ways

Browse Source
This commit is contained in:
Sarah Hoffmann
2014-11-03 22:41:12 +01:00
parent 4b8632d1e5
commit 59de7c5a9b
4 changed files with 93 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files

14
sql/functions.sql
View File

@@ -846,15 +846,13 @@ BEGIN
IF search_place_id IS NOT NULL THEN
select * from placex where place_id = search_place_id INTO nextnode;
IF nodeidpos < array_upper(waynodes, 1) THEN
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);
IF ST_GeometryType(ST_GeometryN(splitline, 2)) = 'ST_LineString' THEN
linegeo := ST_GeometryN(splitline, 2);
END IF;
linegeo := ST_GeometryN(splitline, 2);
ELSE
sectiongeo = linegeo;
END IF;
@@ -862,7 +860,7 @@ BEGIN
IF startnumber IS NOT NULL AND endnumber IS NOT NULL
AND @(startnumber - endnumber) < 1000 AND startnumber != endnumber
AND ST_GeometryType(linegeo) = 'ST_LineString' THEN
AND ST_GeometryType(sectiongeo) = 'ST_LineString' THEN
IF (startnumber > endnumber) THEN
housenum := endnumber;
@@ -897,6 +895,12 @@ BEGIN
END LOOP;
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 newpoints;
END IF;
startnumber := substring(nextnode.housenumber,'[0-9]+')::integer;
prevnode := nextnode;
END IF;