MentalRay Gets Bitchy On Transparency Map

http://www.3dbuzz.com/vbforum/showthread.php?t=158984

If this transparancy map is a file texture and you are using maya 2008 then you will need to check the "alpha is luminance" flag in the file texture attributes. This is an assumed default for the software renderer, but not for mentalray.

this is a new setting turned off by default in maya 2008
hope this helps

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