Postgis 1.5 vient de sortir. L'apport majeur de cette version est le support geodesique. Il devient maintenant plus facile de faire des calculs de distance en metre grace au nouveau type geography au lieu du type geometry. Cela veut dire que l'on va enfin avoir des versions fiables du nombre de km de route dans OSM sans tenir compte de la projection. L'autre chose assez interessante est l'ajout d'un systeme de calcul de similarite de geometries. Cela va permettre normalement de belles choses.
Emilie Laffray -------- Original Message -------- Subject: [postgis-users] PostGIS 1.5.0 Released Date: Thu, 4 Feb 2010 10:16:55 -0800 From: Paul Ramsey <pram...@opengeo.org> Reply-To: PostGIS Users Discussion <postgis-us...@postgis.refractions.net> To: PostGIS Users Discussion <postgis-us...@postgis.refractions.net>, PostGIS Development Discussion <postgis-de...@postgis.refractions.net>, GEOS Development List <geos-de...@lists.osgeo.org>, pgsql-annou...@postgresql.org, mapserver-users <mapserver-us...@lists.osgeo.org> 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 _______________________________________________ postgis-users mailing list postgis-us...@postgis.refractions.net http://postgis.refractions.net/mailman/listinfo/postgis-users
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