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Vray - glass in alpha fully white/opaque
Hey there ;)
Anyone got a solution to this? I have a glass door in my scene that is transparent obviously... with reflections on it. However, it needs to be transparent in the alpha as well as it will have a backplate in compositing... With vray object properties I can only make it a full matte object with alpha contribution -1 which makes it fully invisible with only shadows on it that show in the alpha... but I need the whole thing with reflections and everything... with the ability to place a backplate behind it...
read 2168 times
6/11/2011 9:03:58 AM (last edit: 6/11/2011 9:04:49 AM)
Joey Parker Jr.
I've had this problem also. I don't know of a solution. I was able to cheat and render out with the backplate showing through the window by putting on a plane in the scene behind the window but that certainly won't always work. I've also said the hell with the reflections and left the glass out. Also, not a real solution.
I'd love to find a real solution also. Maybe Bolts knows the answer.
read 2152 times
6/11/2011 4:37:24 PM (last edit: 6/11/2011 4:37:24 PM)
Set the alpha for the window to -1 but don't set as matte object. Then render out separate diffuse, reflection etc and comp it all together.
read 2148 times
6/11/2011 4:59:13 PM (last edit: 6/11/2011 4:59:13 PM)
Joey Parker Jr.
Hey BBR, that sounds like an excellent solution. : )
read 2143 times
6/11/2011 5:53:27 PM (last edit: 6/11/2011 5:53:27 PM)
Indeedy you just should do it compositing. Ideally I would say just rendering the glass seperately
www.simonreeves.com - VFX Artist & Blog
www.analogstudio.co.uk <-- I work here
read 2133 times
6/11/2011 8:18:39 PM (last edit: 6/11/2011 8:18:39 PM)
yeah thanks guys... that sounds like a good solution. Will try that as soon as I get home. Will let you know if it worked out well ;)
read 2128 times
6/11/2011 8:22:50 PM (last edit: 6/11/2011 8:22:50 PM)
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