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Added tolerance for the areas

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This commit is contained in:
antoniocarlon
2018-05-09 12:29:42 +02:00
parent db637f6e52
commit dcf10edd9e
1 changed files with 5 additions and 2 deletions
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7
src/pg/sql/45_observatory_mvt.sql
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@@ -24,6 +24,7 @@ extent INTEGER DEFAULT 4096, buf INTEGER DEFAULT 256, clip_geom BOOLEAN DEFAULT
RETURNS TABLE (mvt BYTEA)
AS $$
DECLARE
tolerance NUMERIC DEFAULT 100;
bounds NUMERIC[];
geom GEOMETRY;
ext BOX2D;
@@ -70,7 +71,9 @@ BEGIN
Nullif(ST_Area(' || geom_tablename || '.' || geom_colname || '), 0)
END pct_obs' || '
FROM _geoms, observatory.' || geom_tablename || '
WHERE ST_Intersects(_geoms.geom, ' || geom_tablename || '.' || geom_colname || '))'
WHERE ST_Intersects(_geoms.geom, ' || geom_tablename || '.' || geom_colname || ')'
|| ' AND ST_Area(st_intersection(' || geom_tablename || '.' || geom_colname || ', _geoms.geom)) > ST_Area($1) / $6 '
|| ')'
AS procgeom_clause
FROM _meta
GROUP BY api_method, geom_tablename, geom_geomref_colname, geom_colname
@@ -215,7 +218,7 @@ BEGIN
String_Agg(procgeom_clauses, E',\n '),
String_Agg(val_clauses, E',\n '),
json_clause)
USING geom, ext, extent, buf, clip_geom;
USING geom, ext, extent, buf, clip_geom, tolerance;
RETURN;
END