[geos-devel] [GEOS] #997: ST_Union performance degradation from GEOS 3.6.x -> 3.7.x

GEOS geos-trac at osgeo.org
Thu Oct 10 11:32:03 PDT 2019


#997: ST_Union performance degradation from GEOS 3.6.x -> 3.7.x
-------------------------+---------------------------
 Reporter:  greenlaw     |       Owner:  geos-devel@…
     Type:  defect       |      Status:  new
 Priority:  major        |   Milestone:
Component:  Default      |     Version:  3.7.0
 Severity:  Significant  |  Resolution:
 Keywords:  union        |
-------------------------+---------------------------

Comment (by mdavis):

 I guess another option is to make line snapping faster!  Although it's not
 an ideal heuristic anyway, since it is done externally to the overlay
 code.  It would be better to figure out how to move it inside the overlay,
 where it could be done more effectively.

-- 
Ticket URL: <https://trac.osgeo.org/geos/ticket/997#comment:8>
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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