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GIS Learning

GIS News: Horn of Africa Drought, Image of the Week, OpenDataPhilly

July 22, 2011By Caitlin DempseyGIS Learning

The European Space Agency has released Horn of Africa drought imagery and its image of the week showing Patagonia. The OGC is seeking input on two projects, and Esri and Azavea both announced the availability of data from OpenDataPhilly. FIND Map, SuperGeo, Cadcorp, Timmons Group, eSpatial, and URISA round […]

GIS News: GeoCloud Webinar…

May 12, 2011By Caitlin DempseyGIS Learning

In news from the geospatial industry today, the Timmons Group has a webinar offered for June 2 on the GeoCloud, Cadcorp has a new software release, Esri Canada present an Award of Excellence to Community Futures Okanagan Similkameen, and RapidEye announces a new distributor for its products in Turkey. The Timmons […]

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.