andrew turner

GIS Learning

Not your father’s approach to geodata creation and sharing

May 10, 2010By Caitlin DempseyGIS Learning

What do the pundits say about crowd-sourcing GIS data and its future? Peter Batty assembled a group of some of the loudest voices in that debate for a panel at GITA’s recent conference. The video’s an hour and 45 minutes long but worth the watch if you’re interesting in the […]

Neogeography

January 7, 2007By Caitlin DempseyGIS Learning

Neogeography means “new geography” and consists of a set of techniques and tools that fall outside the realm of traditional GIS, Geographic Information Systems.

Using Satellite Imagery to Track Volcanic Ash Clouds

Researchers have developed an algorithm that can distinguish between volcanic and non-volcanic clouds using high-resolution satellite imagery.

Using Machine Learning and Satellite Imagery for Street Address Generation

Researchers from Facebook and MIT Labs have proposed a new methodology that uses machine learning and satellite imagery to generate street addresses in areas of the world where individual buildings don’t have a unique address.

Elements of a Map

Maps are the primary tools by which spatial relationships are visualized. Maps therefore become important documents. There are several key elements that should be included each time a map is created in order to aid the viewer in understanding the communications of that map and to document the source of […]

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.