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calculate area normalization of a polygon by square kilometer, not square meter. fixes #158

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This commit is contained in:
John Krauss 2016-07-22 15:18:43 +00:00
parent 383c3eb6ec
commit d766f08b03
1 changed files with 1 additions and 1 deletions
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src/pg/sql/41_observatory_augmentation.sql
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@ -439,7 +439,7 @@ BEGIN
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)) /
ST_Area(%L::Geography)
(ST_Area(%L::Geography) / 1000000)
FROM observatory.%I numer
WHERE numer.%I = ANY ((SELECT ARRAY_AGG(geom_ref) FROM _geom)::TEXT[])',
geom, geom_colname, geom_colname,