PostGIS is an Open Geospatial Consortium (OGC) compliant software used as an extender for PostgreSQL, which is a form of object-relational database. While PostGIS is free and open source, it is used in both commercial (e.g., ArcGIS) and open source software (e.g., QGIS).
open source gis
GIS Software
Where is Open Source GIS Going?
Mark Altaweel discusses the growth and direction of open source GIS tools and software in this opinion piece.
GIS Software
Dress Up Your QGIS Install With this Whimsical Plugin
The QGIS hats plugin is a bit of fun that accomplishes no other purpose than to add a hat to the QGIS icon.
GIS Software
Open Source GIS and Freeware GIS Applications
An open source application by definition is software that you can freely access and modify the source code for. Open source projects typically are worked on by a community of volunteer programmers. Open source GIS programs are based on different base programming languages. Three main groups of open source GIS […]
GIS Software
Python and GIS Resources
Find resources to web sites about Python scripting to use in GIS. Learn how to use Python to expand your geographic information system. Esri uses Python as its scripting language for ArcGIS and the language can be found in many open source GIS applications. Also see: Learning Programming for GIS for general […]
GIS Software
Using R with GIS Software
With the utility of R, many popular statistical procedures and more advanced analyses, including a variety of simulation applications, can be applied directly within GIS tools such as QGIS.
GIS Software
Harness the Power of Open Source GIS with a Hybrid Architecture
Anthony Calamito, Chief Evangelist at open source GIS company, Boundless, explores how companies can harness the power of their open source GIS systems by building hybrid architectures that include their existing software.
GIS Learning
5 New Year’s Resolution for GIS Users
As 2016 comes to a close, it’s time to start turning your attention to the upcoming New Year and reflect on what steps to you can take to improve your GIS skills and participate more in the geospatial community.
GIS Software
GIS and Visualizing Atmospheric Science Data
The use of new data models has allowed more traditional GIS data models to be integrated with those used in atmospheric science.
GIS Software
How to Make the Most of QGIS
To get the most out of QGIS it’s not enough to simply know how to write the lines of code you need, and how to integrate with other exciting tools but rather, the more control you have over a tool like QGIS, the more you’ll be able to visualize and explore your ideas.
GIS Software
How to Map a Single Set of Coordinate Using QGIS
If you have a single set of coordinates that you want to map using QGIS, here are step-by-step instructions on how to do that.
GIS Software
How to Convert a Selection into a New GIS Dataset Using QGIS
Here is a step-by-step tutorial on how to convert a geographic selection from one GIS dataset into a new GIS file using QGIS.