Articles by Matt Leonawicz

Animated great circles 1: flat map to 3D Earth

March 4, 2015 | Matt Leonawicz

More fun with great circle arcs. Who doesn’t love a good great circles graphic? This time, however, it is an animation. Using R, not only have I animated path traversal along great circle arcs, but I’ve also projected them onto a three dimensional global surface. It was not ...
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R Shiny App: Alaska Sea Ice Edge

February 12, 2015 | Matt Leonawicz

A simple app for mapping estimates of Alaska sea ice edge during different months, years, and decades is now formally available. I made this app in R about six months ago and shared an earlier version on Twitter. I have cleaned up the code a bit. Most notably, it now ... [Read more...]
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