Texture Shading

[CarlosGrohmann]

I just came across some papers presenting a "texture shading", and it looks really nice. Not sure how much this can be compared to multidirectional shading, but here is a link to some code and a paper.

https://app.box.com/v/textureshading/

Brown, L., 2014, Texture shading: A new technique for depicting terrain relief: Paper presented at the Ninth International Cartographic Association Mountain Cartography Workshop, Banff, Canada, 22–26 April.