posts tagged 'choropleth'

indiemapper

Axis Maps (Andy, Ben, Dave, Mark, and I) just released indiemapper, a sweet browser-based thematic and reference mapping application.

For some more indie maps, check out our gallery. To try it out, just head over to indiemapper.com: you can sign up for a free 30 day trial without entering a credit card; after your trial, [...]

the first thematic maps

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 [...]

this is not a heat map

The term “heat map” has become increasingly confused. Perhaps it doesn’t matter, but for the record the above map is a choropleth map. It’s been branded by Google (as one of the Google Gadgets) with the sexier label “heat map”, and this (mis)usage is catching on. The term heat map is already [...]