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fix non-noded intersection between shoreline clipped and non-shoreline clipped geometries by using a safe_intersection function

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This commit is contained in:
John Krauss
2017-03-07 20:38:12 +00:00
parent fd3918b29c
commit deede798e9
7 changed files with 207 additions and 20 deletions
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src/pg/test/sql/40_observatory_utility_test.sql
+12
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@@ -47,3 +47,15 @@ SELECT cdb_observatory._OBS_StandardizeMeasureName('test 343 %% 2 qqq }}{{}}') =
SELECT cdb_observatory.OBS_DumpVersion()
IS NOT NULL AS OBS_DumpVersion_notnull;
-- Should fail to perform intersection
SELECT ST_IsValid(ST_Intersection(
cdb_observatory.OBS_GetBoundaryByID('48061', 'us.census.tiger.county'),
cdb_observatory.OBS_GetBoundaryByID('48061', 'us.census.tiger.county_clipped')
)) AS complex_intersection_fails;
-- Should succeed in intersecting
SELECT ST_IsValid(cdb_observatory.safe_intersection(
cdb_observatory.OBS_GetBoundaryByID('48061', 'us.census.tiger.county'),
cdb_observatory.OBS_GetBoundaryByID('48061', 'us.census.tiger.county_clipped')
)) AS complex_safe_intersection_works;