Show HN: A raytracer to shade, plot, and 3D print topographic maps in R, part 4

Author here: this is the fourth entry in a series of posts where I describe the development the R package `rayshader`.

Previous posts:

Part 3

https://news.ycombinator.com/item?id=17697046

Part 2

https://news.ycombinator.com/item?id=17424061

Part 1

https://news.ycombinator.com/item?id=17065264