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Using clipped geometries parametrized

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This commit is contained in:
antoniocarlon 2018-05-17 17:03:27 +02:00
parent f1668777d5
commit 811009a8ad
1 changed files with 6 additions and 1 deletions
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7
src/pg/sql/45_observatory_mvt.sql
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@ -265,6 +265,7 @@ DECLARE
simplification_tolerance NUMERIC DEFAULT 0.0001;
area_normalization TEXT DEFAULT '';
i INTEGER DEFAULT 0;
clipped TEXT default '';
BEGIN
IF area_normalized THEN
area_normalization := '/area_ratio';
@ -274,12 +275,16 @@ BEGIN
WHEN geography_level = state_geoname THEN
simplification_tolerance := 0.1;
WHEN geography_level = county_geoname THEN
clipped := '_clipped';
simplification_tolerance := 0.01;
WHEN geography_level = tract_geoname THEN
clipped := '_clipped';
simplification_tolerance := 0.001;
WHEN geography_level = blockgroup_geoname THEN
clipped := '_clipped';
simplification_tolerance := 0.0001;
WHEN geography_level = block_geoname THEN
clipped := '_clipped';
simplification_tolerance := 0.0001;
ELSE
RETURN;
@ -292,7 +297,7 @@ BEGIN
---------DO---------
getmeta_parameters := '[ ';
FOREACH measurement IN ARRAY do_measurements LOOP
getmeta_parameters := getmeta_parameters || '{"numer_id":"' || measurement || '","geom_id":"' || geography_level || '_clipped"},';
getmeta_parameters := getmeta_parameters || '{"numer_id":"' || measurement || '","geom_id":"' || geography_level || clipped ||'"},';
END LOOP;
getmeta_parameters := substring(getmeta_parameters from 1 for length(getmeta_parameters) - 1) || ' ]';