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. [...]
posts tagged 'python'
Mar 11 2008
def CreateRubberSheetCartogram
Big ups to Eric Wolf, who recently released his Python script to generate continuous, “rubber sheet” cartograms. In this case, rather than the ever-so-popular Gastner-Newman diffusion-based method (2004), Wolf uses the Dougenik, Chrisman, and Niemeyer (1985) algorithm. Of the method, the authors initially wrote,
Cartograms are controversial in part because they are difficult to [...]
Mar 07 2008
easy shapefile loading in python
My recent work on creating a more flexible circular cartogram algorithm meant that I needed (well, wanted) to load shapefiles into a Python application. After many searches and scouring of message boards, I settled on the OGR/GDAL libraries. And 3 hours later I had it installed on my MacBook…
I’m sure that OGR (vector) [...]