airport

GIS Learning

GIS News: Airports GIS package, FixPhillyDistricts

August 8, 2011By Caitlin DempseyGIS Learning

Esri has two announcements today, the first about its Airports GIS package, and the second about the keynote speaker for its upcoming Esri Health GIS conference. Azavea is hosting an online redistricting contest and CARIS announces the location for its 2012 user conference. Esri Esri is now offering licenses […]

Airport Data and GIS Resources

January 20, 2010By Caitlin DempseyGIS Data

Links to airport location data, associations and articles on the use of GIS in the aviation industry.

Elements of a Map

Map elements such as the map frame, legend, and north arrow are parts of what create a map.

Learn GIS for Free

There are a few online options to learn GIS for free. Take advantage of resources that provide you access to free courses from some of the world’s best universities and institutions.

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 […]

What is GIS?

GIS is a technological field that incorporates geographical features with tabular data in order to map, analyze, and assess real-world problems. The key word to this technology is Geography – this means that some portion of the data is spatial.

Calculating Polygon Area in ArcMap

Here are the steps for calculating the area of a polygon using ArcGIS.