#978: UnaryUnion topology exception ------------------------+--------------------------- Reporter: komzpa | Owner: geos-devel@… Type: defect | Status: reopened Priority: major | Milestone: Component: Default | Version: 3.7.0 Severity: Unassigned | Resolution: Keywords: | ------------------------+--------------------------- Changes (by komzpa):
* status: closed => reopened * resolution: invalid => Comment: Hello, Input is a collection of overlapping valid polygons, and it's exactly semantics of Unary Union to dissolve it into a single (multi)polygon. {{{ 20:05:40 [gis] > select ST_IsValid((ST_Dump(w_geom)).geom) from tmp_osm_population_raw_nowater where p_geom && '(539614.84560837818,6759705.8015133878)'::point::geometry::box2d and ctid='(32000,1)' ; ┌────────────┐ │ st_isvalid │ ├────────────┤ │ t │ │ t │ │ t │ │ t │ │ t │ │ t │ │ t │ │ t │ │ t │ │ t │ │ t │ └────────────┘ (11 rows) Time: 6,458 ms }}} -- Ticket URL: <https://trac.osgeo.org/geos/ticket/978#comment:2> GEOS <http://trac.osgeo.org/geos> GEOS (Geometry Engine - Open Source) is a C++ port of the Java Topology Suite (JTS).
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