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Plotting stuff on an image

Recently, I needed to figure out how many extension cords I was going to need to buy in order to reach parts of my field site. Wandering around in the field with a surveyor’s tape was an option, but so was plotting distances on an aerial image I had of my site. What follows is a brief walk through of how I plotted stuff on top of my image in R (the open-source statistical computer software language, available at http://www.r-project.org/).

My final image with elements overlain on the original image using R.

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