PostGIS

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BigSQL + PostGIS: Reprojecting Your Spatial Data with ST_Transform

With our latest release of PostGIS (release 2.3.3), projection datum shift files have been included across all the platforms. You will find them located in: bigsql/pg96/share/postgresql/contrib/postgis-2.3/proj Why do you care? Well, this means you can easily reproject your PostGIS data using the ST_Transform command. > ST_Transform — Return a new geometry with its coordinates transformed [...]

By | July 31st, 2017|Categories: Holly PostGIS, Holly PostgreSQL|Tags: , , , , , , |0 Comments

PostGIS 2.3.3 is Now Available with BigSQL!

The good folks on the PostGIS development team recently the released of PostGIS 2.3.3: As befits a patch release, the focus is on bugs and breakages. Best served with PostgreSQL 9.6.3+ and pgRouting 2.4.1. See the full list of changes here. And now... the new release is available in the BigSQL distribution! If you haven't [...]

By | July 24th, 2017|Categories: Holly PostGIS, Holly PostgreSQL|Tags: , , , , , , , |4 Comments

GDAL New Release 2.2 – BigSQL Makes it Easy to Install

The GDAL community just announced the release of GDAL 2.2... and BigSQL just made it easier to implement! Install it Now We support Diegos and Yodas with 2 ways to install: Option 1: Install with the pgDevOps GUI For GIS analysts (scientists, statisticians, analysts, etc) who find themselves as the de facto DBA (among other [...]

By | June 19th, 2017|Categories: Holly PostGIS, Holly PostgreSQL|Tags: , , , , , , , , |0 Comments

Connecting to Remote Spatial Data Sources with ogr_fdw

Shout out goes to Regina Obe and Paul Ramsey for their work and documentation on ogr_fdw. The ogr_fdw project can be found here: https://github.com/pramsey/pgsql-ogr-fdw. ogr+fdw = ogr_fdw In an earlier post, I showed you how to use the ogr2ogr (or as my geogeek friends like to call it "ogre to ogre") command line tool to [...]

ETL (Extract, Transform, Load) PostGIS Data with ogr2ogr

In an earlier post, I showed you how to use the shp2pgsql tool to import shapefiles into PostGIS. But what if you need to import other geodata formats (e.g. GeoJSON, MapInfo, KML, CSV, etc.)? ogr2ogr - ETL for PostGIS Lucky for you, the BigSQL PostGIS distribution comes bundled with GDAL and the ogr2ogr (or as [...]

By | April 24th, 2017|Categories: Holly PostGIS, Holly PostgreSQL|Tags: , , , , , |2 Comments

Importing Shapefiles into PostGIS with shp2pgsql

Geojson may be catching up, but by and far the most popular data format for sharing geospatial data is (and has been since the early 1990's) the shapefile. Although a shapefile is a simple way to share data that can be easily consumed by almost any GIS system, it comes with many limitations and is [...]

By | March 23rd, 2017|Categories: Holly PostGIS, Holly PostgreSQL|Tags: , , |1 Comment

PostGIS – How to create a Spatial Database with PGC Command Line

We are excited to announce that BigSQL distributions of PostGIS now come bundled with several popular community spatial extensions: postgis fuzzystrmatch postgis_tiger_geocoder postgis_topology ogr_fdw address_standardizer address_standardizer_data_us This is the only community distribution to offer PostGIS with these extensions across ALL platforms (Mac, Linux, and Windows)! So, for all you GeoGeeks using Linux / Mac - [...]

By | February 10th, 2017|Categories: Holly PostGIS|Tags: , , |1 Comment

Two great things that taste great together: PostGIS and PostgreSQL

In my past life as a geospatial DBA, I had to navigate users and managers who belonged to different database teams (PostgreSQL, MySQL, SQL Server, Oracle, etc). When I was lucky enough to work in a shop that supported open source solutions, I was often asked by members of team MySQL, “Why should we use PostgreSQL [...]

By | October 17th, 2016|Categories: Holly PostGIS|Tags: , , |1 Comment

Why are you still paying for your GIS when you can get it for free?

If you haven’t switched to open source solutions (FREE!), then you have probably fallen for some common misconceptions/myths: MYTH: Open source tools are buggy. Does software have bugs? Of course. It was made by humans! But open source has the benefit of a strong community that can crowdsource fixes because the code base is not [...]

By | October 4th, 2016|Categories: Holly PostGIS|Tags: , , , , , |0 Comments