First off, why mess with such a retro format as Arc/Info Export (.e00)?– any code written for this ASCII file type in the last few years has been on how to go from e00 to pretty much anything (especially to the non-topological data format, the shapefile).
Put simply, topological information makes a lot [...]
posts tagged 'visualization'
Feb 21 2009
E00Parser, an ActionScript 3 parser for the Arc/Info Export topological GIS format
Dec 08 2008
Early cartograms
I’m kind of on a cartogram kick lately. I’m interested in the pioneers of the form, those who first thought to distort borders and explode topologies in order to convey the distribution of some thematic variable. When was the first cartogram produced, where, and by whom? I ran into a lot of [...]
Oct 21 2008
Nightingale’s roses in ActionScript 3
I’ve long been a sucker for the polar area/coxcomb/rose charts popularized by Florence Nightingale. These multivariate charts can show ordered or unordered categorical data. As noted in an Economist piece on influential information graphics,
As with today’s pie charts, the area of each wedge is proportional to the figure it stands for, but it [...]