Any simple reference for MDL?

Oso3D

What it says in the title.

I'm a little impatient by a lack of any clever shaders for Iray and ... well, I'm probably wasting my time, but it'd help a lot to know what the heck a 'Material Get Geometry' brick is and does.

 

RobotHeadArt

This is the official reference documentation: http://www.nvidia-arc.com/products/iray/technical-documentation.html

Oso3D

Thank you! My Google searches were unusually unhelpful.