April, 2012


Maps and Cartography

Choropleth map showing the number of billionaires in residence per state for the United States. Data from Forbes' List of the World's Billionaires, March 2012.Choropleth map showing the number of billionaires in residence per state for the United States. Data from Forbes' List of the World's Billionaires, March 2012.

How To Make Area Cartogram Maps in ArcGIS

If you have data with disparate values between areas, making an area cartogram is an effective way to map out those values. This article provides a tutorial on how to make area cartogram maps using ArcGIS.

GIS Learning

Geography of Billionaires: Mapping Nationalities and Residency

Geography of Billionaires: Mapping Nationalities and Residency

Forbes recently released an updated list of the world’s billionaires.  The listing contains the ranking for 1,226 individuals and families who’s net worth as of March of 2012 was 1 billion USD or more.  Since the listings contained both a country of citizenship and residence, this allows for a peek […]

Maps and Cartography

Noncontiguous cartogram showing population density within Europe. (Source: Vinny Burgoo). Projection: Lambert Azimuthal Equal Area. Data: January 2008 population data from Eurostat.Noncontiguous cartogram showing population density within Europe. (Source: Vinny Burgoo). Projection: Lambert Azimuthal Equal Area. Data: January 2008 population data from Eurostat.

Area Cartogram Maps Explored

Area cartogram maps are maps of non-absolute space where the areal extent is in proportion to some measured value.  Cartogram maps retain a partially accurate relative location and relative space, but the actual area of the individual polygons features are overrepresented or underrepresented based on the assigned values. Area cartograms […]

GIS Career and Jobs

GIS Skills and Landscape Architecture Education

GIS Skills and Landscape Architecture Education

The March 2012 issue of Landscape Architecture Magazine reviewed the current state of GIS education at landscape architecture schools and found that although GIS is a “vital tools for large-scale land planning” some schools are not making it mandatory for students to train in geospatial technologies.  The magazine in Spring of 2011 […]

Spatial Analysis

Using GIS to Showcase College Acceptance

Every June, my local paper is filled with the local private school announcements containing lists and lists and lists of where students have been accepted to. With all the private schools competing with each other to showcase college acceptances for that year, creating a map showing the locations of colleges […]

GIS Data, Maps and Cartography

Mapping Emancipation Events during the Civil War

Mapping Emancipation Events during the Civil War

University of Richmond’s Digital Scholarship Lab, with Azavea, a geospatial analysis (GIS) software development company, has launched “Visualizing Emancipation,” the first interactive map showing the end of American slavery during the U.S. Civil War.  The application displays more than 3,000 geographically tagged emancipation events, such as reports of African Americans helping […]