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How to render an object buffer of hollow space?

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Craig RickerHow to render an object buffer of hollow space?
by on May 29, 2012 at 4:05:14 am

Ok there is probably a very simple solution to this:

But I have made a gas chamber frame and would like to render out an object buffer of all the inbetween bits of the frame. So basically, where the gas will be.

I made a rectanglur model that fits inside the chamber perfectly and applied an object buffer to that, but if I turn it off so you can see the inside edges of the gas chamber, the object buffer doesnt render out.

Is the only option to run the render a second time with the cube in, and do the luma matting later in after effects. Basically I just wanted to do 1 render rather than 2?

Any thoughts.


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Adam TrachtenbergRe: How to render an object buffer of hollow space?
by on May 29, 2012 at 2:41:13 pm

Yeah, I think you're going to have to render twice.


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Elin gromeRe: How to render an object buffer of hollow space?
by on Jul 13, 2012 at 3:58:40 pm

i also found that rendering the object at 99% transparency can be a dirty workaround in some cases...

It's all the those pesky details :p


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