Below’s a quick outline of the first maps created with six common cartographic symbologies. All of the below is out there, in books, articles, and blog posts. Particularly helpful are Alan MacEachren’s 1979 article The Evolution of Thematic Cartography, Arthur Robinson’s Early Thematic Mapping in the History of Cartography (1982), Borden Dent’s thematic cartography [...]
posts tagged 'cartogram'
Jan 19 2009
political cartography: voting with our pocketbooks
These election maps are kinda late. Here I’m interested in comparing how we, as a country, voted with our ballots versus how we voted with our dollars. Obama received about 70% of the money donated to the major candidates in 2008, but only 53% of the votes, so I expected a bluer map. [...]
Apr 24 2008
cartogram design
I study cartogram design. Cartograms are thematic maps in which the enumeration units (states, countries) are resized based on a particular attribute (population, carbon emissions). There are dozens of types/designs of cartogram and many methods/algorithms for cartogram production.
These have gotten a lot of attention lately (uses the Gastner-Newman diffusion-based algorithm).
Some cartographers manually [...]