[postgis-devel] [PostGIS] #806: Optimize Geometry(TopoGeometry) for polygons
PostGIS
trac at osgeo.org
Tue Feb 15 00:39:12 PST 2011
#806: Optimize Geometry(TopoGeometry) for polygons
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Reporter: strk | Owner: strk
Type: enhancement | Status: closed
Priority: medium | Milestone: PostGIS 2.0.0
Component: topology | Version: trunk
Resolution: fixed | Keywords:
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Changes (by strk):
* status: new => closed
* resolution: => fixed
Comment:
So, at a closer look it turned out the bottleneck was on fetching edges
composing faces rather than polygonizing them.
Creating indexes on "left_face" and "right_face" speeded things up by a
factor of 10.
r6822 adds index creation to CreateTopology.
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Ticket URL: <http://trac.osgeo.org/postgis/ticket/806#comment:1>
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