unCLog

Michael Gastner and Mark Newman have produced a new method (pdf) for creating density equalizing maps (remember these) using diffusion. Their method is "conceptually simple and produces useful, elegant, and easily readable maps. Their paper has been put to work by the University of Sheffield's WorldMapper site. There are some cool maps.

I'm not sure how expensive the math is (I haven't read the paper yet) but this could be a cool interactive demonstration project.

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