Scattering Opacity Issue

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Scattering Opacity Issue

Postby octane_berlin » Thu Jun 18, 2020 8:07 am

octane_berlin Thu Jun 18, 2020 8:07 am
Hi, thanks in advance for reading this!
I'm trying to scatter some leaves, the material is masked with an opacity texture.
Works fine, but when I put those in an octane scatter object and the objects overlap you can see the opacity texture (as you can see in the screenshot).
Probably there is a very simple way to do that, sorry :roll:
Attachments
Anmerkung 2020-06-18 100316.jpg
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Re: Scattering Opacity Issue

Postby frankmci » Thu Jun 18, 2020 3:09 pm

frankmci Thu Jun 18, 2020 3:09 pm
It think what you are seeing is an artifact of the leaf objects being perfectly co-planar, causing a Ray Epsilon sampling issue. Try adding just a little bit of randomization to the Y placement on your Scatter objects, and it should take care of the problem.
Attachments
Screen Shot 2020-06-18 at 11.19.57 AM.png
Opacity Ray Epsilon conflict
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Re: Scattering Opacity Issue

Postby octane_berlin » Thu Jun 18, 2020 3:45 pm

octane_berlin Thu Jun 18, 2020 3:45 pm
Perfect! Everyone is happy :) Thanks a lot!
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