notes on noncontiguous cartograms and ActionScript 3 classes for producing them
Fully contiguous cartograms have stretched and distorted borders but perfectly maintained topologies. Like the Gastner-Newman diffusion-based cartograms we see all over the place. Though all sorts of cartogram designs have been produced, those with perfect topology preservation (fully contiguous cartograms) receive the majority of [...]
posts tagged 'symbology'
Dec 04 2008
noncontiguous area cartograms
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 [...]
Aug 13 2008
SpatialKey: insanely good geovisualization
I’m a little late on this, so I hope it’s old news to most readers that Universal Mind, where I’ve worked for the past 2 months, just launched a technology preview of the SpatialKey visualization system. This is a big deal.
Andrew Powell, Doug McCune, and Brandon Purcell have already posted great introductions to SpatialKey, so [...]