Stuart Christensen returns with a tutorial describing some of the options available in Maya Mental Ray Shaders that will help with reflective surfaces, particularly MIB_Glossy_Reflection.
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Using The Maya MIB_Glossy_Reflection Node
lesterbanks
3D, VFX, design, and typography. Twenty year veteran instructor in all things computer graphics.
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Great info, came at just the right time for something that I was working on!
Hope this helps as it took me a few tries to figure it out.
It seems that you have to plug in a mib_illum_xxx shader into the mib_glossy_reflections slot (as the video says). If you use a regular Maya blinn, lamb or anything else, then it crashes at render time (at least on the two Mac 2011 SP1s that I tried it on)