Posts Tagged ‘ polygons ’

Optical Art with R

July 16, 2012
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Optical Art with R

Last week, in a post entitled Bridget Riley exhibition in London, the author Markus Gesmann wrote an R script reproducing one of Riley's famous art pieces: Movement in Squares.This reminded me of my own first "brush" with Op art. It was in art class ye...

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Drawing polar centered spatial maps using ggplot2

November 8, 2011
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Drawing polar centered spatial maps using ggplot2

Drawing maps of the polar regions can be done using square spatial maps. A small example says more than a thousand words: xlim = c(-180,180) ylim = c(60,90)   # Some fake grid data dat_grid = expand.grid(x = xlim[1]:xlim[2], y… See more ›

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