requisite WebGL globe demo
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README.md

globe-terrain

This demo distorts a flat plane onto the surface of a globe, depending on lat/long parameters passed to the object's material. It also uses Render-to-texture maps for displacement, with erode and dilate morphological operations.

http://meetar.github.io/globe-terrain/

globe image

Associated post:

http://fjord.style/going-into-detail/

More detailed demos of the underlying technique are here:

https://github.com/meetar/heightmap-demos

As well as more detail about the theory;

http://fjord.style/the-lay-of-the-land/