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POSTGIS


SPATIAL AND GEOGRAPHIC OBJECTS FOR POSTGRESQL

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ABOUT POSTGIS

PostGIS is a spatial database extender for PostgreSQL object-relational
database. It adds support for geographic objects allowing location queries to be
run in SQL.

WITH city AS (
  SELECT 'Gotham' AS name,
    ST_Buffer(ST_Point(0,0), 10) AS geom
)
 , superhero(name,geom) AS (
    VALUES
      ('Bat Boy', ST_Point(0.1,0))
    , ('Bat Girl', ST_Point(1,1) )
)
SELECT superhero.name
FROM city INNER JOIN superhero
    ON ST_Contains(city.geom, superhero.geom)
WHERE city.name = 'Gotham';

Docs for latest stable release

In addition to basic location awareness, PostGIS offers many features rarely
found in other competing spatial databases such as Oracle Locator/Spatial and
SQL Server. Refer to PostGIS Feature List for more details.


SHOULD YOU UPGRADE NOW?

Not sure if you are running the best possible PostGIS for your PostgreSQL? Refer
to our Version compatibility and EOL Policy.


LICENSE

PostGIS is released under the GNU General Public License (GPLv2 or later). Refer
to License FAQ for more information. PostGIS is developed by a group of
contributors led by a Project Steering Committee.


NEWS


WHAT'S HAPPENING RIGHT NOW

Blogs, Tweets and more…




POSTGIS 3.2.0BETA1 RELEASED

The PostGIS Team is pleased to release the first beta of the upcoming PostGIS
3.2.0 release.

Best served with PostgreSQL 14. This version of PostGIS utilizes the faster GiST
building support API introduced in PostgreSQL 14. If compiled with recently
released GEOS 3.10.0 you can take advantage of improvements in ST_MakeValid and
numerous speed improvements. This release also includes many additional
functions and improvements for postgis_raster and postgis_topology extensions.

Read More…

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POSTGIS 3.2.0ALPHA1 RELEASED

The PostGIS Team is pleased to release the first alpha of the upcoming PostGIS
3.2.0 release.

Best served with PostgreSQL 14 beta3. This version of PostGIS utilizes the
faster GiST building support API introduced in PostgreSQL 14. If compiled with
the in-development GEOS 3.10dev you can take advantage of improvements in
ST_MakeValid. This release also includes many additional functions and
improvements for postgis_raster and postgis_topology extensions.

Read More…

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POSTGIS 3.1.4, 3.0.4 RELEASED

The PostGIS development team is pleased to provide bug fix and performance
enhancements 3.1.4 and 3.0.4 for the 3.1, 3.0 stable branches.

3.1.4 This release supports PostgreSQL 9.6-14.

 * source download
 * NEWS
 * PDF docs en
 * html doc download
 * html online en
 * epub doc download

3.0.4 This release works with PostgreSQL 9.5-13 and GEOS >= 3.6 Designed to take
advantage of features in PostgreSQL 12+ and Proj 6+

 * source download
 * NEWS
 * PDF docs en
 * html doc download
 * epub doc download

View all closed tickets for 3.1.4, 3.0.4.

After installing the binaries or after running pg_upgrade:

For PostGIS 3.1, 3.0, 2.5 do below which will upgrade all your postgis
extensions.

SELECT postgis_extensions_upgrade();

For PostGIS 2.4 and below do:

ALTER EXTENSION postgis UPDATE;

— if you use the other extensions packaged with postgis — make sure to upgrade
those as well

ALTER EXTENSION postgis_sfcgal UPDATE;
ALTER EXTENSION postgis_topology UPDATE;
ALTER EXTENSION postgis_tiger_geocoder UPDATE;

If you use legacy.sql or legacy_minimal.sql, make sure to rerun the version
packaged with these releases.


POSTGIS 3.1.3

The PostGIS Team is pleased to release PostGIS 3.1.3! Best Served with
PostgreSQL 14 beta2.

This release is a bug fix release, addressing issues found in the previous 3.1
release.

 * #4929, Fix missing error from GetRingEdges when invoked with unexistent
   topology or edge (Sandro Santilli)

 * #4927, Fix PostgreSQL 14 compile FuncnameGetCandidates changes needed to
   compile against PostgreSQL 14 beta2 or higher (Regina Obe, Julien Rouhaud)

Read More…

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More News…


UPCOMING EVENTS

Virtual PostGIS Day 2021
Thursday, November 18, 2021, Online Conference





RECENT PAST EVENTS

FOSS4G 2021
Sept 27 - Oct 2nd 2021, Virtual Conference Online Videos





PostgresVision 2021
JUNE 22-23, 2021 ONLINEVideos




Virtual PostGIS Day 2020 Conference
Thursday November 19 2020 Videos





PGCon 2020
May 26-29 2020, Ottawa, ON, Canada CHANGED TO ONLINE




PostGIS Day 2019 St. Louis Videos
Nov 14 2019, St. Louis, MO, USA

PGConf EU 2019
Oct 15-18 2019, Milan, Italy





PostgresOpen 2019
Sept 11-13 2019, Orlando, FL, USA

FOSS4G 2019  Videos
August 26-30 2019, Bucharest, Romania


TIPS


MOVE POSTGIS EXTENSION TO A DIFFERENT SCHEMA

As of PostGIS 2.3, the postgis extension was changed to no longer allow
relocation. All function calls within the extension are now schema qualified.

While this change fixed some issues with database restore, it created the issue
of if you installed PostGIS in a schema other than the one you wanted to it is
not intuitive how to move it to a different schema. Luckily there is a way to do
this.

For this exercise, I will install PostGIS in the default schema and then
demonstrate how to move it into another schema location.

You can run these steps using psql or pgAdmin or any other PostgreSQL tool you
want.

Read More…

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More Tips…


CASE STUDIES


HOWARD HUGHES MEDICAL INSTITUTE

As a software engineer at the Howard Hughes Medical Institute, I work on a
collaborative neuron reconstruction and analysis software called CATMAID 1
(screenshot: 3), which is used for neuroscience research. We use PostGIS to
represent neurons in a 3D space.

Read More…

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VANGUARD APPRAISALS

Vanguard Appraisals is new to the GIS world. In fact, we aren’t really in the
GIS world; we just kind of brush up against it. We do mass property appraisal
for entire county and city jurisdictions, and we develop software to collect,
price and maintain values. We also host assessment data online so that
homeowners can search and find property information much simpler from the
comfort of their own home. Our software and websites are used in 7 states (IA,
IL, MN, MO, NE, ND, SD).

Read More…

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More Case Studies…


SITE MAP

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 * Documentation
 * Development
 * Planet PostGIS
 * Support


POSTGIS PROJECT STEERING COMMITTEE (PSC)

 * Paul Ramsey (Chair)
 * Sandro Santilli
 * Regina Obe
 * Bborie Park
 * Darafei Praliaskouski
 * Raúl Marín Rodríguez