Making Contour Maps in R

Notes on how to make contour maps in R As a retired Geophysicist, I spent a career making contour maps. I have found it to be challenging to make good contour maps in R, and so as part of my own learning process, I have documented the necessary steps in hopes that this may help others involved in the same struggles. Ultimately I want to create filled contours that represent a surface, based on some random collection of input points, and display those contours on top of a detailed basemap, such as OpenStreetMap.

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Alan Jackson

Retired Geophysicist, geophysical consultant, budding data scientist, trouble-maker.

Consultant and Chief Bottle Washer

Houston and Seattle