Congratulations Paul and team. Just a question: what are the
plans/status for topology under PostGIS?
http://trac.osgeo.org/postgis/wiki/UsersWikiPostgisTopology
Jan
On 04-Feb-10 19:16, Paul Ramsey wrote:
February 4, 2010
The PostGIS development team has, after a long course of reflection
and a detailed self-examination of our various personal failings,
decided to release PostGIS 1.5.0 to the public.
http://postgis.org/download/postgis-1.5.0.tar.gz
This new version of PostGIS includes a new "geography" type for
managing geodetic (lat/lon) data, performance-enhanced distance
calculations, GML and KML format readers, an improved shape loading
GUI, and other new features as well.
Especial thanks to:
* Dave Skea for algorithms and mathematics necessary to support
spherical geometry
* Nicklas Avén for the new performance enhanced distance calculations
and other distance-related functions
* Sandro Santilli for new buffering features (end caps and style options)
* Olivier Courtin for GML/KML input functions
* Guillaume Lelarge for support for the upcoming PgSQL 9.0
* George Silva for an example implementation of history tables
* Vincent Picavet for Hausdorff distance calculations
* The maintainers of GEOS, Proj4, and LibXML, without whom we would
have less of a spatial database
Love, the PostGIS project steering committee,
Mark Cave-Ayland
Kevin Neufeld
Regina Obe
Paul Ramsey
----- Release Notes ----
PostGIS 1.5.0
2010/02/04
* Important Changes *
- =~ operator now indicates bounding box equality, not feature equality
- GEOS 3.1 is now the minimum accepted version of GEOS
- GEOS 3.2 is needed if you want to use enhanced buffering features
and ST_HausdorffDistance
- GEOS, LibXML2, and Proj4 are now mandatory dependencies
* New Features *
- Added Hausdorff distance calculations (#209) (Vincent Picavet)
- Added parameters argument to ST_Buffer operation to support one-sided
buffering and other buffering styles (Sandro Santilli)
- Performance improvements to ST_Distance (Nicklas Avén)
- Addition of other Distance related visualization and analysis
functions (Nicklas Avén)
- ST_ClosestPoint
- ST_DFullyWithin
- ST_LongestLine
- ST_MaxDistance
- ST_ShortestLine
- KML, GML input via ST_GeomFromGML and ST_GeomFromKML (Olivier Courtin)
- Extract homogeneous collection with ST_CollectionExtract (Paul Ramsey)
- Add measure values to existing linestring with ST_AddMeasure (Paul Ramsey)
- History table implementation in utils (George Silva)
- Win32 support and improvement of core shp2pgsql-gui (Mark Cave-Ayland)
- In place 'make check' support (Paul Ramsey)
- Geography type and supporting functions
- Spherical algorithms from Dave Skea
- Object/index implementation from Paul Ramsey
- Selectivitiy implementation from Mark Cave-Ayland
- Serializations (KML, GML, JSON) from Olivier Courtin
- ST_Area, ST_Distance, ST_DWithin, ST_GeogFromText, ST_GeogFromWKB,
ST_Intersects, ST_Covers, ST_Buffer
- Documentation updates and improvements (Regina Obe, Kevin Neufeld)
- Testing and quality control (Regina Obe)
- PostGIS 1.5 support PostgreSQL 8.5 trunk (Guillaume Lelarge)
- Many many other changes:
http://trac.osgeo.org/postgis/query?status=closed&milestone=PostGIS+1.5.0
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