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Tweak place ranks

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This commit is contained in:
lukasmartinelli
2016-10-29 14:29:41 +02:00
parent 3f9f59dfe1
commit 52e133e126
7 changed files with 18 additions and 21 deletions
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4
layers/place/merge_state_rank.sql
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@@ -12,9 +12,7 @@ WITH important_state_point AS (
)
UPDATE osm_state_point AS osm
-- Normalize both scalerank and labelrank into a ranking system from 1 to 6.
-- Scaleranks for NE states range from 2 to 11 and labelranks range from 0 to 20 and dataranks from 1 to 11.
-- This means a max combined rank of 42 divided by 7 to get us uniform ranking from 1 to 6
SET "rank" = CEILING((scalerank + labelrank + datarank)/7.0)
SET "rank" = LEAST(6, CEILING((scalerank + labelrank + datarank)/3.0))
FROM important_state_point AS ne
WHERE osm.osm_id = ne.osm_id;