Really realistic shading for a 3D surface is hard. There are rigorous and awesome methods like ray shading and ambient occlusion and curvature. But those can be pretty slow and intensive. Let's just see what we can get away with by making a few blurred versions of our input elevation surface and start hacking away at some scaled hillshades, slopes, and...hillshaded slopes? Yes. Get ready to live.

Check out some other social channels where I share howto's and updates on random map adventures:

http://adventuresinmapping.com
https://www.esri.com/arcgisblog/auth...
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