Mental ray Ignoring Alpha Map ...?

.Murder

Im trying to render out a scene in Maya using Mental ray, but i have planes that are Alpha mapped (Bushes, flowers grass etc) But they being fully renderd as tho the alpha map is being ignored, its not see through as it should be if i do a render with maya software, anyone know how to get this working? thanks in advance

The Boss

Under the file node for your alpha map, you need to check "Alpha Is Luminance" under the "Color Balance" tab. Hope that helps.

.Murder

yea that worked, thanks!