#982: Postgis ST_ConcaveHull Runtime GEOS Problem? ------------------------+-------------------------- Reporter: tsw | Owner: geos-devel@… Type: defect | Status: new Priority: major | Milestone: Component: Default | Version: 3.7.0 Severity: Unassigned | Keywords: ------------------------+-------------------------- A concave hull query with the attached data set under Postgresql 9.4 / PostGIS 2.2 / Geos 3.5.0 runs in under a second.
The same query using the same data on Postgresql 9.6 / PostGIS 2.5.2 / GEOS 3.7.1 is still running after 30 minutes. I've also attached a perf top screen shot which to me implies this is a GEOS problem. -- Ticket URL: <https://trac.osgeo.org/geos/ticket/982> 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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