November, 2013


Spatial Analysis

Alaska migration. Data: US Census, 2012. Graphic: Chris Walker.

Visualizing American Migration Without a Map

As a cartographer, the display of spatial information is of great interest to me.  I’ve been particularly intrigued by analysts who are able to convey complex geographic information without resorting to a map.  Previously, I had done a round of some of the methods in the article, “Spatial Unmapped.” Chris […]

GIS Career and Jobs

Anita Graser.

Anita Graser | Profiles from the Geospatial Community

Anita Graser is well-known in the GIS community for her involvement in open source GIS. She is also the author of the recently published book, “Learning QGIS 2.0”. Anita talks about how she got started in GIS and what she sees as some of the future trends in open source GIS.

GIS Data

Free and Open Access to Sentinel Satellite Data

Free and Open Access to Sentinel Satellite Data

The European Space Agency (ESA) has announced that free and open access to Sentinel satellite data will become available during the Copernicus operational phase.  Copernicus is an earth observation program operated by a partnership of  the European Commission (EC), European Space Agency (ESA), and the European Environment Agency (EEA).    The […]

Maps and Cartography

Map modeled after a depiction of Anaximander's World Map from An Introduction to Early Greek Philosophy by John Mansley Robinson, Houghton and Mifflin, 1968.

What if Ancient Greeks had GIS Technology?

From the ancient times, humans have been trying to explain all the natural phenomena happening around the earth. “What if…” is a typical question for ancient Greeks Geographers, known as panepistimones (which means pan = all , epistimones = scientists) (Leontidou L. 2011).  This question have been posted by different […]

GIS Learning

There’s Merit in Using Competency-Based Badges to Teach GIS

There’s Merit in Using Competency-Based Badges to Teach GIS

Stephen A. McElroy, the GIS program chair at American Sentinel University, outlines ASU’s online learning lab which uses a badge award system to promote GIS learning beyond the class setting.   Geographic and geospatial information systems are often seen as cutting edge in business. Employing a wide array of technologies, including map-making, […]

GIS Data

A Safe Route to School map created by the City of Santa Clara GIS.

National Safe Routes to School Program Calls for GIS Initiatives

The National Safe Routes to School program (SRTS) was primarily created to promote safety for children who walk and bike to school. However, it also serves to encourage families to participate in these methods of sustainable transportation. The program was signed into law in 2005 and operates in all 50 […]

GIS Data

Robert Kosara's Zip Scribble Map

ZIP Code Data is “Commercially Sensitive” Per the US Postal Service

Robb Shecter of the Weblaws.org site wanted to map out restaurant health inspections in Multnomah County, Oregon as part of his efforts to create apps to open up government information by increasing access.  The data from the county on each restaurant doesn’t always contain place information such as the city name. […]