Coloured volumetric shadows with Mental Ray

Category: rendering

Here is a good tutorial on how to set up volumetric lights with Mental Ray:
http://www.jhavna.net/main.php?page=scatter/

It's important to note that the shadow colour is affected by the _transparency_ attribute of the shadowing object's shader, rather than the _colour_ attribute. This has cost me a lot of headaches to figure out.