http://blog.cleverelephant.ca/2009/03/geos-310.html
> > The GEOS team is pleased to announce that GEOS 3.1.0 has been pushed > out the door, cold, wet, trembling and looking for love. > > http://download.osgeo.org/geos/geos-3.1.0.tar.bz2 > > Version 3.1.0 includes a number of improvements over the 3.0 version: > > * PreparedGeometry operations for very fast predicate testing. > o Intersects() > o Covers() > o CoveredBy() > o ContainsProperly() > * Easier builds under MSVC and OpenSolaris > * Thread-safe CAPI option > * IsValidReason added to CAPI > * CascadedUnion operation for fast unions of geometry sets > * Single-sided buffering operation added > * Numerous bug fixes. > > > Users of the upcoming PostGIS 1.4 will find that compiling against > GEOS 3.1 provides them access to some substantial performance > improvements and some extra functions. > Ciao, Steko -- Stefano Costa http://www.iosa.it/ Open Archaeology
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