Plotting greyscale contoured data in R with ggplot2

Introduction Preparing figures for publication can take a long time (well it does for me anyway), and I relied very heavily on numerous online resources to figure out some of the dos and don’ts. Obviously I owe massive thanks to the hundreds of blogs and Stack Exchange questions and answers I relied on. Where I can, I will try to link to them. Additionally, this tutorial covers a little bit about working with reshaped gridded data, shape files, GeoTIFF data and even a simple homemade polygon. [Read More]