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VRay 1.4 Making glass pick colors from light source

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  • VRay 1.4 Making glass pick colors from light source

    I've been having trouble getting glass to look like glass while at the same time picking up colors of light sources. My understanding of Vray is pretty basic so i would appreciate any help. I am shining yellow light down at the glass panels, and I know in real life the glass would turn a little bit yellow (partially through the inherent imperfect transparency, and partially from dust and dirt). What I want to see visually happen is that as light passes through multiple glass panels, you can see that the yellow light warmth or glow dissipate from top to bottom.

    -If i have plain glass 100% transparent, no fog, glass wont pick up any colors.
    -I am thinking of lowering the transparency and seeing what that does, but i am finding that anything other that 100% or 0% transparent takes way way longer to render. what took 2 minutes, seems to be taking hours. Sorry i am being inpatient and don't have a completed rendering with partial transparency.
    -or should I look at translucency? I don''t really know how to use this but also don't think that's the direction i am looking for, also again because of time.

    Thanks ahead and let me know if i haven't provided enough information about the scene

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