semi alpha DOF does not work

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semi alpha DOF does not work

Postby LeSill » Mon Oct 03, 2022 12:36 pm

LeSill Mon Oct 03, 2022 12:36 pm
Hello guys,
I'm using OctaneRender-for-C4D-2021.1.6-R4-win and Cinema C4D R19. I'm working with ACESOpenColorIO-Config-ACES-1.2aces 1.2config.ocio. When I save my image with some DOF using the Cinema buffer (PNG 8bit), the semitransparent borders are not transparent. In Photoshop, I created the background. Please see the image attached. When I save it as a PNG 16, some parts of the model become softly transparent. I tried everything, including PNG, EXR, TIFF, straight alpha, premultiplied alpha, and so on. It works fine when I save it directly from the Octne LV as a PNG. The issue is that the id does not properly save the ACES. Everything worked fine when I used Octane 4.05 and saved it as a PNG 16bit. I was able to use DaVinci Resolve and it worked well. PLEASE, DOES ANYONE KNOW HOW TO FIX IT?

Example.jpg


Many thanks
LeSill
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Re: semi alpha DOF does not work

Postby elsksa » Mon Oct 03, 2022 2:05 pm

elsksa Mon Oct 03, 2022 2:05 pm
ACES+PNG(8-bpc)+Photoshop is one of the most inexpedient recipes, to avoid at all cost.

A proper EXR (or at least, TIFF) workflow, in a proper compositing software (e.g. Nuke or Fusion) would yield expected results, correctly and hassle-free. ACES is absolutely dispensable.
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