Boston GIS (Regina Obe, Leo Hsu): Early look at Upcoming PostGIS 2.3

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PostGIS 2.3 is still in its incubation, but I suspect it will be even more impressive than PostGIS 2.2.PostGIS 2.2 was long in the oven, and out came out a lot, but I'm hoping PostGIS 2.3 will have a shorter gestation period, but be just as, if not more impressivethan PostGIS 2.2.

Before starting my "what's already there and what I hope to be there" list for PostGIS 2.3, I'll point out things that PostGIS 2.2 brought

PostGIS 2.2 offerings

Many itemized in PostGIS 2.3 new features

  • KNN for geography and 3D geometries
  • Geometry clustering functions
  • True distance KNN for PostgreSQL 9.5+. If you are using 9.5, your KNN is not just bounding box distance, but true real distance.
  • Faster topology, now a lot has been moved into C for better performance.
  • Lots more 3D advanced functions via SFCGAL, SFCGAL now installable as extension.
  • Lots of new geometry functions like geometry clustering, geometry clipping, subdivide, trajectory functions
  • More raster stats and create overview table function without having to rely on raster2pgsql
  • Tiger geocoder updated for Tiger 2015 data. Address standardizer now part of PostGIS.
  • Last but not least, we added Dan Baston to our Core Contributor list. He gave us all the clustering functions in PostGIS 2.2, fixed lots of bugs and is already got more commits and proposed plans than anyone else for PostGIS 2.3. Go Dan go, and welcome.
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