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filter so theres some overlap

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John Krauss
2016-07-13 17:12:16 -04:00
parent a7de1f2228
commit ff173a0152
1 changed files with 2 additions and 1 deletions
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3
src/pg/sql/41_observatory_augmentation.sql
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@@ -465,7 +465,8 @@ BEGIN
sql = format('WITH _geom AS (SELECT ST_Area(ST_Intersection(%L, geom.%I))
/ ST_Area(geom.%I) overlap, geom.%I geom_ref
FROM observatory.%I geom
WHERE ST_Intersects(%L, geom.%I))
WHERE ST_Intersects(%L, geom.%I)
AND ST_Area(ST_Intersection(%L, geom.%I)) / ST_Area(geom.%I) > 0)
SELECT SUM(numer.%I * (SELECT _geom.overlap FROM _geom WHERE _geom.geom_ref = numer.%I))
FROM observatory.%I numer
WHERE numer.%I IN (SELECT geom_ref FROM _geom)',