1 premultiply pixel on multipass

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1 premultiply pixel on multipass

Postby max1e » Fri Dec 15, 2017 1:09 am

max1e Fri Dec 15, 2017 1:09 am
anybody can explain how its work in octane?

I already read all forum 10th times, tried everything: turn off/on alpha in after effects (after import footage), turn on/off straight alpha on c4d and after effects. I turn on and off pre-multiply alpha on camera imager. EVERYTHING. aoktar says many times: in octane everything ok with alpha. but why its work in vrayc4d? in AR3? in arnold? maybe i`m stupid but i dont understand how i can get clear alpha with multipass after octane.


so:
beauty image (with alpha channel, without straight alpha) + multipass zdepth (pre-multiply off, alpha channel on, keep environment off)

and for example i want to cut back of beauty image. and...look at screenshot. how i can fix it? after effects, c4d and renders attached too. Thanks.

wtf.rar
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Attachments
zdepth.jpg
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Re: 1 premultiply pixel on multipass

Postby max1e » Fri Dec 15, 2017 8:33 pm

max1e Fri Dec 15, 2017 8:33 pm
add something.
in documentation right way to extract z-depth its using Extractor in after effects? ha ha ha. I dont know what to say. in octane something working correctly?
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ololod.jpg
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