Render different types of masks (luminance, RGB, env.reflection, light, objectsID, SSS, texture, AO, ZDepth, Specular, BlackHole). The script don't affect the scene materials, lights and render settings.
v5.77.6 - bug fixed in ZDepth when using "Keep OpacityMap", bug fixed when working whit "Vray 2.40", 3dsmax 2014 installation
http://www.vimeo.com/26107414 (Tutorial)